diff options
270 files changed, 17883 insertions, 6060 deletions
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt index e9a3cb1d6b06..ee0209a7de3e 100644 --- a/Documentation/powerpc/booting-without-of.txt +++ b/Documentation/powerpc/booting-without-of.txt @@ -711,13 +711,14 @@ define a bus type with a more complex address format, including things like address space bits, you'll have to add a bus translator to the prom_parse.c file of the recent kernels for your bus type. -The "reg" property only defines addresses and sizes (if #size-cells -is non-0) within a given bus. In order to translate addresses upward +The "reg" property only defines addresses and sizes (if #size-cells is +non-0) within a given bus. In order to translate addresses upward (that is into parent bus addresses, and possibly into CPU physical addresses), all busses must contain a "ranges" property. If the "ranges" property is missing at a given level, it's assumed that -translation isn't possible. The format of the "ranges" property for a -bus is a list of: +translation isn't possible, i.e., the registers are not visible on the +parent bus. The format of the "ranges" property for a bus is a list +of: bus address, parent bus address, size @@ -735,6 +736,10 @@ fit in a single 32-bit word. New 32-bit powerpc boards should use a 1/1 format, unless the processor supports physical addresses greater than 32-bits, in which case a 2/1 format is recommended. +Alternatively, the "ranges" property may be empty, indicating that the +registers are visible on the parent bus using an identity mapping +translation. In other words, the parent bus address space is the same +as the child bus address space. 2) Note about "compatible" properties ------------------------------------- @@ -1218,16 +1223,14 @@ platforms are moved over to use the flattened-device-tree model. Required properties: - reg : Offset and length of the register set for the device - - device_type : Should be "mdio" - compatible : Should define the compatible device type for the - mdio. Currently, this is most likely to be "gianfar" + mdio. Currently, this is most likely to be "fsl,gianfar-mdio" Example: mdio@24520 { reg = <24520 20>; - device_type = "mdio"; - compatible = "gianfar"; + compatible = "fsl,gianfar-mdio"; ethernet-phy@0 { ...... @@ -1626,6 +1629,19 @@ platforms are moved over to use the flattened-device-tree model. - interrupt-parent : the phandle for the interrupt controller that services interrupts for this device. - pio-handle : The phandle for the Parallel I/O port configuration. + - rx-clock-name: the UCC receive clock source + "none": clock source is disabled + "brg1" through "brg16": clock source is BRG1-BRG16, respectively + "clk1" through "clk24": clock source is CLK1-CLK24, respectively + - tx-clock-name: the UCC transmit clock source + "none": clock source is disabled + "brg1" through "brg16": clock source is BRG1-BRG16, respectively + "clk1" through "clk24": clock source is CLK1-CLK24, respectively + The following two properties are deprecated. rx-clock has been replaced + with rx-clock-name, and tx-clock has been replaced with tx-clock-name. + Drivers that currently use the deprecated properties should continue to + do so, in order to support older device trees, but they should be updated + to check for the new properties first. - rx-clock : represents the UCC receive clock source. 0x00 : clock source is disabled; 0x1~0x10 : clock source is BRG1~BRG16 respectively; diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 232c298c933f..d40844f9b047 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -160,6 +160,7 @@ config PPC_DCR config PPC_OF_PLATFORM_PCI bool + depends on PCI depends on PPC64 # not supported on 32 bits yet default n @@ -417,7 +418,7 @@ endmenu config ISA_DMA_API bool - default y + default !PPC_ISERIES || PCI menu "Bus options" diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index 6a79fe43e229..d20ccf5f2ca9 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -151,6 +151,13 @@ config BOOTX_TEXT config PPC_EARLY_DEBUG bool "Early debugging (dangerous)" + help + Say Y to enable some early debugging facilities that may be available + for your processor/board combination. Those facilities are hacks + intended to debug problems early during boot, this should not be + enabled in a production kernel. + Note that enabling this will also cause the kernel default log level + to be pushed to max automatically very early during boot choice prompt "Early debugging console" diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index bd87626c1f60..f70df9b64f8f 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -167,6 +167,9 @@ boot := arch/$(ARCH)/boot $(BOOT_TARGETS): vmlinux $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@) +bootwrapper_install: + $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@) + define archhelp @echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' @echo ' install - Install kernel using' diff --git a/arch/powerpc/boot/4xx.c b/arch/powerpc/boot/4xx.c index ebf9e217612d..3d0e4f921f1d 100644 --- a/arch/powerpc/boot/4xx.c +++ b/arch/powerpc/boot/4xx.c @@ -122,7 +122,7 @@ void ibm4xx_denali_fixup_memsize(void) else dpath = 4; /* 32 bits */ - /* get adress pins (rows) */ + /* get address pins (rows) */ val = mfdcr_sdram0(DDR0_42); row = DDR_GET_VAL(val, DDR_APIN, DDR_APIN_SHIFT); diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 18e32719d0ed..9149bb8ed03c 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -33,7 +33,7 @@ ifeq ($(call cc-option-yn, -fstack-protector),y) BOOTCFLAGS += -fno-stack-protector endif -BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj) +BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj) -I$(srctree)/$(src)/libfdt $(obj)/4xx.o: BOOTCFLAGS += -mcpu=440 $(obj)/ebony.o: BOOTCFLAGS += -mcpu=440 @@ -46,7 +46,9 @@ zliblinuxheader := zlib.h zconf.h zutil.h $(addprefix $(obj)/,$(zlib) gunzip_util.o main.o): \ $(addprefix $(obj)/,$(zliblinuxheader)) $(addprefix $(obj)/,$(zlibheader)) -src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \ +src-libfdt := fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c +src-wlib := string.S crt0.S stdio.c main.c \ + $(addprefix libfdt/,$(src-libfdt)) libfdt-wrapper.c \ ns16550.c serial.c simple_alloc.c div64.S util.S \ gunzip_util.c elf_util.c $(zlib) devtree.c oflib.c ofconsole.c \ 4xx.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c bamboo.c \ @@ -101,24 +103,61 @@ quiet_cmd_bootar = BOOTAR $@ cmd_bootar = $(CROSS32AR) -cr $@.$$$$ $(filter-out FORCE,$^); mv $@.$$$$ $@ $(patsubst %.c,%.o, $(filter %.c, $(src-boot))): %.o: %.c FORCE + $(Q)mkdir -p $(dir $@) $(call if_changed_dep,bootcc) $(patsubst %.S,%.o, $(filter %.S, $(src-boot))): %.o: %.S FORCE + $(Q)mkdir -p $(dir $@) $(call if_changed_dep,bootas) $(obj)/wrapper.a: $(obj-wlib) FORCE $(call if_changed,bootar) -hostprogs-y := addnote addRamDisk hack-coff mktree +hostprogs-y := addnote addRamDisk hack-coff mktree dtc targets += $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a) extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \ $(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds wrapper :=$(srctree)/$(src)/wrapper -wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree) \ +wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree dtc) \ $(wrapper) FORCE ############# +# Bits for building dtc +# DTC_GENPARSER := 1 # Uncomment to rebuild flex/bison output + +dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o srcpos.o checks.o +dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o +dtc-objs := $(addprefix dtc-src/, $(dtc-objs)) + +# prerequisites on generated files needs to be explicit +$(obj)/dtc-src/dtc-parser.tab.o: $(obj)/dtc-src/dtc-parser.tab.c $(obj)/dtc-src/dtc-parser.tab.h +$(obj)/dtc-src/dtc-lexer.lex.o: $(obj)/dtc-src/dtc-lexer.lex.c $(obj)/dtc-src/dtc-parser.tab.h + +HOSTCFLAGS += -I$(src)/dtc-src/ -I$(src)/libfdt/ + +targets += dtc-src/dtc-parser.tab.c +targets += dtc-src/dtc-lexer.lex.c + +ifdef DTC_GENPARSER +BISON = bison +FLEX = flex + +quiet_cmd_bison = BISON $@ + cmd_bison = $(BISON) -o$@ -d $<; cp $@ $@_shipped +quiet_cmd_flex = FLEX $@ + cmd_flex = $(FLEX) -o$@ $<; cp $@ $@_shipped + +$(obj)/dtc-src/dtc-parser.tab.c: $(src)/dtc-src/dtc-parser.y FORCE + $(call if_changed,bison) + +$(obj)/dtc-src/dtc-parser.tab.h: $(obj)/dtc-src/dtc-parser.tab.c + +$(obj)/dtc-src/dtc-lexer.lex.c: $(src)/dtc-src/dtc-lexer.l FORCE + $(call if_changed,flex) +endif + +############# # Bits for building various flavours of zImage ifneq ($(CROSS32_COMPILE),) @@ -243,3 +282,51 @@ clean-kernel := vmlinux.strip vmlinux.bin clean-kernel += $(addsuffix .gz,$(clean-kernel)) # If not absolute clean-files are relative to $(obj). clean-files += $(addprefix $(objtree)/, $(clean-kernel)) + +WRAPPER_OBJDIR := /usr/lib/kernel-wrapper +WRAPPER_DTSDIR := /usr/lib/kernel-wrapper/dts +WRAPPER_BINDIR := /usr/sbin +INSTALL := install + +extra-installed := $(patsubst $(obj)/%, $(DESTDIR)$(WRAPPER_OBJDIR)/%, $(extra-y)) +hostprogs-installed := $(patsubst %, $(DESTDIR)$(WRAPPER_BINDIR)/%, $(hostprogs-y)) +wrapper-installed := $(DESTDIR)$(WRAPPER_BINDIR)/wrapper +dts-installed := $(patsubst $(obj)/dts/%, $(DESTDIR)$(WRAPPER_DTSDIR)/%, $(wildcard $(obj)/dts/*.dts)) + +all-installed := $(extra-installed) $(hostprogs-installed) $(wrapper-installed) $(dts-installed) + +quiet_cmd_mkdir = MKDIR $(patsubst $(INSTALL_HDR_PATH)/%,%,$@) + cmd_mkdir = mkdir -p $@ + +quiet_cmd_install = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_OBJDIR)/%,%,$@) + cmd_install = $(INSTALL) -m0644 $(patsubst $(DESTDIR)$(WRAPPER_OBJDIR)/%,$(obj)/%,$@) $@ + +quiet_cmd_install_dts = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_DTSDIR)/%,dts/%,$@) + cmd_install_dts = $(INSTALL) -m0644 $(patsubst $(DESTDIR)$(WRAPPER_DTSDIR)/%,$(srctree)/$(obj)/dts/%,$@) $@ + +quiet_cmd_install_exe = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,%,$@) + cmd_install_exe = $(INSTALL) -m0755 $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,$(obj)/%,$@) $@ + +quiet_cmd_install_wrapper = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,%,$@) + cmd_install_wrapper = $(INSTALL) -m0755 $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,$(srctree)/$(obj)/%,$@) $@ ;\ + sed -i $@ -e 's%^object=.*%object=$(WRAPPER_OBJDIR)%' \ + -e 's%^objbin=.*%objbin=$(WRAPPER_BINDIR)%' \ + + +$(DESTDIR)$(WRAPPER_OBJDIR) $(DESTDIR)$(WRAPPER_DTSDIR) $(DESTDIR)$(WRAPPER_BINDIR): + $(call cmd,mkdir) + +$(extra-installed) : $(DESTDIR)$(WRAPPER_OBJDIR)/% : $(obj)/% | $(DESTDIR)$(WRAPPER_OBJDIR) + $(call cmd,install) + +$(hostprogs-installed) : $(DESTDIR)$(WRAPPER_BINDIR)/% : $(obj)/% | $(DESTDIR)$(WRAPPER_BINDIR) + $(call cmd,install_exe) + +$(dts-installed) : $(DESTDIR)$(WRAPPER_DTSDIR)/% : $(srctree)/$(obj)/dts/% | $(DESTDIR)$(WRAPPER_DTSDIR) + $(call cmd,install_dts) + +$(wrapper-installed): $(DESTDIR)$(WRAPPER_BINDIR) $(srctree)/$(obj)/wrapper | $(DESTDIR)$(WRAPPER_BINDIR) + $(call cmd,install_wrapper) + +$(obj)/bootwrapper_install: $(all-installed) + diff --git a/arch/powerpc/boot/bamboo.c b/arch/powerpc/boot/bamboo.c index f61fcdab1c7c..e634359d98e9 100644 --- a/arch/powerpc/boot/bamboo.c +++ b/arch/powerpc/boot/bamboo.c @@ -42,6 +42,6 @@ void bamboo_init(void *mac0, void *mac1) platform_ops.exit = ibm44x_dbcr_reset; bamboo_mac0 = mac0; bamboo_mac1 = mac1; - ft_init(_dtb_start, 0, 32); + fdt_init(_dtb_start); serial_console_init(); } diff --git a/arch/powerpc/boot/cuboot-52xx.c b/arch/powerpc/boot/cuboot-52xx.c index 9256a26d40e4..a8611546a656 100644 --- a/arch/powerpc/boot/cuboot-52xx.c +++ b/arch/powerpc/boot/cuboot-52xx.c @@ -53,7 +53,7 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7) { CUBOOT_INIT(); - ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + fdt_init(_dtb_start); serial_console_init(); platform_ops.fixups = platform_fixups; } diff --git a/arch/powerpc/boot/cuboot-83xx.c b/arch/powerpc/boot/cuboot-83xx.c index a0505509abcc..acd860ed7393 100644 --- a/arch/powerpc/boot/cuboot-83xx.c +++ b/arch/powerpc/boot/cuboot-83xx.c @@ -52,7 +52,7 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7) { CUBOOT_INIT(); - ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + fdt_init(_dtb_start); serial_console_init(); platform_ops.fixups = platform_fixups; } diff --git a/arch/powerpc/boot/cuboot-85xx.c b/arch/powerpc/boot/cuboot-85xx.c index 345dcbecef0f..943779ed19be 100644 --- a/arch/powerpc/boot/cuboot-85xx.c +++ b/arch/powerpc/boot/cuboot-85xx.c @@ -53,7 +53,7 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7) { CUBOOT_INIT(); - ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + fdt_init(_dtb_start); serial_console_init(); platform_ops.fixups = platform_fixups; } diff --git a/arch/powerpc/boot/cuboot-8xx.c b/arch/powerpc/boot/cuboot-8xx.c index 0e82015a5f95..c202c8868bd6 100644 --- a/arch/powerpc/boot/cuboot-8xx.c +++ b/arch/powerpc/boot/cuboot-8xx.c @@ -41,7 +41,7 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7) { CUBOOT_INIT(); - ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + fdt_init(_dtb_start); serial_console_init(); platform_ops.fixups = platform_fixups; } diff --git a/arch/powerpc/boot/cuboot-hpc2.c b/arch/powerpc/boot/cuboot-hpc2.c index d333898bca30..1b8953259d75 100644 --- a/arch/powerpc/boot/cuboot-hpc2.c +++ b/arch/powerpc/boot/cuboot-hpc2.c @@ -42,7 +42,7 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7) { CUBOOT_INIT(); - ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + fdt_init(_dtb_start); serial_console_init(); platform_ops.fixups = platform_fixups; } diff --git a/arch/powerpc/boot/cuboot-pq2.c b/arch/powerpc/boot/cuboot-pq2.c index 61574f3272dd..f56ac6cae9f3 100644 --- a/arch/powerpc/boot/cuboot-pq2.c +++ b/arch/powerpc/boot/cuboot-pq2.c @@ -255,7 +255,7 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7) { CUBOOT_INIT(); - ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + fdt_init(_dtb_start); serial_console_init(); platform_ops.fixups = pq2_platform_fixups; } diff --git a/arch/powerpc/boot/cuboot-sequoia.c b/arch/powerpc/boot/cuboot-sequoia.c index ec635e0bd4ec..cf78260fcf3f 100644 --- a/arch/powerpc/boot/cuboot-sequoia.c +++ b/arch/powerpc/boot/cuboot-sequoia.c @@ -51,6 +51,6 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, CUBOOT_INIT(); platform_ops.fixups = sequoia_fixups; platform_ops.exit = ibm44x_dbcr_reset; - ft_init(_dtb_start, 0, 32); + fdt_init(_dtb_start); serial_console_init(); } diff --git a/arch/powerpc/boot/dtc-src/Makefile.dtc b/arch/powerpc/boot/dtc-src/Makefile.dtc new file mode 100644 index 000000000000..d607fdb8df8d --- /dev/null +++ b/arch/powerpc/boot/dtc-src/Makefile.dtc @@ -0,0 +1,25 @@ +# Makefile.dtc +# +# This is not a complete Makefile of itself. Instead, it is designed to +# be easily embeddable into other systems of Makefiles. +# +DTC_SRCS = dtc.c flattree.c fstree.c data.c livetree.c treesource.c srcpos.c \ + checks.c +DTC_EXTRA = dtc.h srcpos.h +DTC_LEXFILES = dtc-lexer.l +DTC_BISONFILES = dtc-parser.y + +DTC_LEX_SRCS = $(DTC_LEXFILES:%.l=%.lex.c) +DTC_BISON_SRCS = $(DTC_BISONFILES:%.y=%.tab.c) +DTC_BISON_INCLUDES = $(DTC_BISONFILES:%.y=%.tab.h) + +DTC_GEN_SRCS = $(DTC_LEX_SRCS) $(DTC_BISON_SRCS) +DTC_GEN_ALL = $(DTC_GEN_SRCS) $(DTC_BISON_INCLUDES) +DTC_OBJS = $(DTC_SRCS:%.c=%.o) $(DTC_GEN_SRCS:%.c=%.o) + +DTC_CLEANFILES = $(DTC_GEN_ALL) + +# We assume the containing Makefile system can do auto-dependencies for most +# things, but we supply the dependencies on generated header files explicitly + +$(addprefix $(DTC_objdir)/,$(DTC_GEN_SRCS:%.c=%.o)): $(addprefix $(DTC_objdir)/,$(DTC_BISON_INCLUDES)) diff --git a/arch/powerpc/boot/dtc-src/checks.c b/arch/powerpc/boot/dtc-src/checks.c new file mode 100644 index 000000000000..2ce961cd414d --- /dev/null +++ b/arch/powerpc/boot/dtc-src/checks.c @@ -0,0 +1,750 @@ +/* + * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2007. + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +#include "dtc.h" + +#ifdef TRACE_CHECKS +#define TRACE(c, ...) \ + do { \ + fprintf(stderr, "=== %s: ", (c)->name); \ + fprintf(stderr, __VA_ARGS__); \ + fprintf(stderr, "\n"); \ + } while (0) +#else +#define TRACE(c, fmt, ...) do { } while (0) +#endif + +enum checklevel { + IGNORE = 0, + WARN = 1, + ERROR = 2, +}; + +enum checkstatus { + UNCHECKED = 0, + PREREQ, + PASSED, + FAILED, +}; + +struct check; + +typedef void (*tree_check_fn)(struct check *c, struct node *dt); +typedef void (*node_check_fn)(struct check *c, struct node *dt, struct node *node); +typedef void (*prop_check_fn)(struct check *c, struct node *dt, + struct node *node, struct property *prop); + +struct check { + const char *name; + tree_check_fn tree_fn; + node_check_fn node_fn; + prop_check_fn prop_fn; + void *data; + enum checklevel level; + enum checkstatus status; + int inprogress; + int num_prereqs; + struct check **prereq; +}; + +#define CHECK(nm, tfn, nfn, pfn, d, lvl, ...) \ + static struct check *nm##_prereqs[] = { __VA_ARGS__ }; \ + static struct check nm = { \ + .name = #nm, \ + .tree_fn = (tfn), \ + .node_fn = (nfn), \ + .prop_fn = (pfn), \ + .data = (d), \ + .level = (lvl), \ + .status = UNCHECKED, \ + .num_prereqs = ARRAY_SIZE(nm##_prereqs), \ + .prereq = nm##_prereqs, \ + }; + +#define TREE_CHECK(nm, d, lvl, ...) \ + CHECK(nm, check_##nm, NULL, NULL, d, lvl, __VA_ARGS__) +#define NODE_CHECK(nm, d, lvl, ...) \ + CHECK(nm, NULL, check_##nm, NULL, d, lvl, __VA_ARGS__) +#define PROP_CHECK(nm, d, lvl, ...) \ + CHECK(nm, NULL, NULL, check_##nm, d, lvl, __VA_ARGS__) +#define BATCH_CHECK(nm, lvl, ...) \ + CHECK(nm, NULL, NULL, NULL, NULL, lvl, __VA_ARGS__) + +#ifdef __GNUC__ +static inline void check_msg(struct check *c, const char *fmt, ...) __attribute__((format (printf, 2, 3))); +#endif +static inline void check_msg(struct check *c, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + + if ((c->level < WARN) || (c->level <= quiet)) + return; /* Suppress message */ + + fprintf(stderr, "%s (%s): ", + (c->level == ERROR) ? "ERROR" : "Warning", c->name); + vfprintf(stderr, fmt, ap); + fprintf(stderr, "\n"); +} + +#define FAIL(c, ...) \ + do { \ + TRACE((c), "\t\tFAILED at %s:%d", __FILE__, __LINE__); \ + (c)->status = FAILED; \ + check_msg((c), __VA_ARGS__); \ + } while (0) + +static void check_nodes_props(struct check *c, struct node *dt, struct node *node) +{ + struct node *child; + struct property *prop; + + TRACE(c, "%s", node->fullpath); + if (c->node_fn) + c->node_fn(c, dt, node); + + if (c->prop_fn) + for_each_property(node, prop) { + TRACE(c, "%s\t'%s'", node->fullpath, prop->name); + c->prop_fn(c, dt, node, prop); + } + + for_each_child(node, child) + check_nodes_props(c, dt, child); +} + +static int run_check(struct check *c, struct node *dt) +{ + int error = 0; + int i; + + assert(!c->inprogress); + + if (c->status != UNCHECKED) + goto out; + + c->inprogress = 1; + + for (i = 0; i < c->num_prereqs; i++) { + struct check *prq = c->prereq[i]; + error |= run_check(prq, dt); + if (prq->status != PASSED) { + c->status = PREREQ; + check_msg(c, "Failed prerequisite '%s'", + c->prereq[i]->name); + } + } + + if (c->status != UNCHECKED) + goto out; + + if (c->node_fn || c->prop_fn) + check_nodes_props(c, dt, dt); + + if (c->tree_fn) + c->tree_fn(c, dt); + if (c->status == UNCHECKED) + c->status = PASSED; + + TRACE(c, "\tCompleted, status %d", c->status); + +out: + c->inprogress = 0; + if ((c->status != PASSED) && (c->level == ERROR)) + error = 1; + return error; +} + +/* + * Utility check functions + */ + +static void check_is_string(struct check *c, struct node *root, + struct node *node) +{ + struct property *prop; + char *propname = c->data; + + prop = get_property(node, propname); + if (!prop) + return; /* Not present, assumed ok */ + + if (!data_is_one_string(prop->val)) + FAIL(c, "\"%s\" property in %s is not a string", + propname, node->fullpath); +} +#define CHECK_IS_STRING(nm, propname, lvl) \ + CHECK(nm, NULL, check_is_string, NULL, (propname), (lvl)) + +static void check_is_cell(struct check *c, struct node *root, + struct node *node) +{ + struct property *prop; + char *propname = c->data; + + prop = get_property(node, propname); + if (!prop) + return; /* Not present, assumed ok */ + + if (prop->val.len != sizeof(cell_t)) + FAIL(c, "\"%s\" property in %s is not a single cell", + propname, node->fullpath); +} +#define CHECK_IS_CELL(nm, propname, lvl) \ + CHECK(nm, NULL, check_is_cell, NULL, (propname), (lvl)) + +/* + * Structural check functions + */ + +static void check_duplicate_node_names(struct check *c, struct node *dt, + struct node *node) +{ + struct node *child, *child2; + + for_each_child(node, child) + for (child2 = child->next_sibling; + child2; + child2 = child2->next_sibling) + if (streq(child->name, child2->name)) + FAIL(c, "Duplicate node name %s", + child->fullpath); +} +NODE_CHECK(duplicate_node_names, NULL, ERROR); + +static void check_duplicate_property_names(struct check *c, struct node *dt, + struct node *node) +{ + struct property *prop, *prop2; + + for_each_property(node, prop) + for (prop2 = prop->next; prop2; prop2 = prop2->next) + if (streq(prop->name, prop2->name)) + FAIL(c, "Duplicate property name %s in %s", + prop->name, node->fullpath); +} +NODE_CHECK(duplicate_property_names, NULL, ERROR); + +static void check_explicit_phandles(struct check *c, struct node *root, + struct node *node) +{ + struct property *prop; + struct node *other; + cell_t phandle; + + prop = get_property(node, "linux,phandle"); + if (! prop) + return; /* No phandle, that's fine */ + + if (prop->val.len != sizeof(cell_t)) { + FAIL(c, "%s has bad length (%d) linux,phandle property", + node->fullpath, prop->val.len); + return; + } + + phandle = propval_cell(prop); + if ((phandle == 0) || (phandle == -1)) { + FAIL(c, "%s has invalid linux,phandle value 0x%x", + node->fullpath, phandle); + return; + } + + other = get_node_by_phandle(root, phandle); + if (other) { + FAIL(c, "%s has duplicated phandle 0x%x (seen before at %s)", + node->fullpath, phandle, other->fullpath); + return; + } + + node->phandle = phandle; +} +NODE_CHECK(explicit_phandles, NULL, ERROR); + +static void check_name_properties(struct check *c, struct node *root, + struct node *node) +{ + struct property *prop; + + prop = get_property(node, "name"); + if (!prop) + return; /* No name property, that's fine */ + + if ((prop->val.len != node->basenamelen+1) + || (memcmp(prop->val.val, node->name, node->basenamelen) != 0)) + FAIL(c, "\"name\" property in %s is incorrect (\"%s\" instead" + " of base node name)", node->fullpath, prop->val.val); +} +CHECK_IS_STRING(name_is_string, "name", ERROR); +NODE_CHECK(name_properties, NULL, ERROR, &name_is_string); + +/* + * Reference fixup functions + */ + +static void fixup_phandle_references(struct check *c, struct node *dt, + struct node *node, struct property *prop) +{ + struct marker *m = prop->val.markers; + struct node *refnode; + cell_t phandle; + + for_each_marker_of_type(m, REF_PHANDLE) { + assert(m->offset + sizeof(cell_t) <= prop->val.len); + + refnode = get_node_by_ref(dt, m->ref); + if (! refnode) { + FAIL(c, "Reference to non-existent node or label \"%s\"\n", + m->ref); + continue; + } + + phandle = get_node_phandle(dt, refnode); + *((cell_t *)(prop->val.val + m->offset)) = cpu_to_be32(phandle); + } +} +CHECK(phandle_references, NULL, NULL, fixup_phandle_references, NULL, ERROR, + &duplicate_node_names, &explicit_phandles); + +static void fixup_path_references(struct check *c, struct node *dt, + struct node *node, struct property *prop) +{ + struct marker *m = prop->val.markers; + struct node *refnode; + char *path; + + for_each_marker_of_type(m, REF_PATH) { + assert(m->offset <= prop->val.len); + + refnode = get_node_by_ref(dt, m->ref); + if (!refnode) { + FAIL(c, "Reference to non-existent node or label \"%s\"\n", + m->ref); + continue; + } + + path = refnode->fullpath; + prop->val = data_insert_at_marker(prop->val, m, path, + strlen(path) + 1); + } +} +CHECK(path_references, NULL, NULL, fixup_path_references, NULL, ERROR, + &duplicate_node_names); + +/* + * Semantic checks + */ +CHECK_IS_CELL(address_cells_is_cell, "#address-cells", WARN); +CHECK_IS_CELL(size_cells_is_cell, "#size-cells", WARN); +CHECK_IS_CELL(interrupt_cells_is_cell, "#interrupt-cells", WARN); + +CHECK_IS_STRING(device_type_is_string, "device_type", WARN); +CHECK_IS_STRING(model_is_string, "model", WARN); +CHECK_IS_STRING(status_is_string, "status", WARN); + +static void fixup_addr_size_cells(struct check *c, struct node *dt, + struct node *node) +{ + struct property *prop; + + node->addr_cells = -1; + node->size_cells = -1; + + prop = get_property(node, "#address-cells"); + if (prop) + node->addr_cells = propval_cell(prop); + + prop = get_property(node, "#size-cells"); + if (prop) + node->size_cells = propval_cell(prop); +} +CHECK(addr_size_cells, NULL, fixup_addr_size_cells, NULL, NULL, WARN, + &address_cells_is_cell, &size_cells_is_cell); + +#define node_addr_cells(n) \ + (((n)->addr_cells == -1) ? 2 : (n)->addr_cells) +#define node_size_cells(n) \ + (((n)->size_cells == -1) ? 1 : (n)->size_cells) + +static void check_reg_format(struct check *c, struct node *dt, + struct node *node) +{ + struct property *prop; + int addr_cells, size_cells, entrylen; + + prop = get_property(node, "reg"); + if (!prop) + return; /* No "reg", that's fine */ + + if (!node->parent) { + FAIL(c, "Root node has a \"reg\" property"); + return; + } + + if (prop->val.len == 0) + FAIL(c, "\"reg\" property in %s is empty", node->fullpath); + + addr_cells = node_addr_cells(node->parent); + size_cells = node_size_cells(node->parent); + entrylen = (addr_cells + size_cells) * sizeof(cell_t); + + if ((prop->val.len % entrylen) != 0) + FAIL(c, "\"reg\" property in %s has invalid length (%d bytes) " + "(#address-cells == %d, #size-cells == %d)", + node->fullpath, prop->val.len, addr_cells, size_cells); +} +NODE_CHECK(reg_format, NULL, WARN, &addr_size_cells); + +static void check_ranges_format(struct check *c, struct node *dt, + struct node *node) +{ + struct property *prop; + int c_addr_cells, p_addr_cells, c_size_cells, p_size_cells, entrylen; + + prop = get_property(node, "ranges"); + if (!prop) + return; + + if (!node->parent) { + FAIL(c, "Root node has a \"ranges\" property"); + return; + } + + p_addr_cells = node_addr_cells(node->parent); + p_size_cells = node_size_cells(node->parent); + c_addr_cells = node_addr_cells(node); + c_size_cells = node_size_cells(node); + entrylen = (p_addr_cells + c_addr_cells + c_size_cells) * sizeof(cell_t); + + if (prop->val.len == 0) { + if (p_addr_cells != c_addr_cells) + FAIL(c, "%s has empty \"ranges\" property but its " + "#address-cells (%d) differs from %s (%d)", + node->fullpath, c_addr_cells, node->parent->fullpath, + p_addr_cells); + if (p_size_cells != c_size_cells) + FAIL(c, "%s has empty \"ranges\" property but its " + "#size-cells (%d) differs from %s (%d)", + node->fullpath, c_size_cells, node->parent->fullpath, + p_size_cells); + } else if ((prop->val.len % entrylen) != 0) { + FAIL(c, "\"ranges\" property in %s has invalid length (%d bytes) " + "(parent #address-cells == %d, child #address-cells == %d, " + "#size-cells == %d)", node->fullpath, prop->val.len, + p_addr_cells, c_addr_cells, c_size_cells); + } +} +NODE_CHECK(ranges_format, NULL, WARN, &addr_size_cells); + +/* + * Style checks + */ +static void check_avoid_default_addr_size(struct check *c, struct node *dt, + struct node *node) +{ + struct property *reg, *ranges; + + if (!node->parent) + return; /* Ignore root node */ + + reg = get_property(node, "reg"); + ranges = get_property(node, "ranges"); + + if (!reg && !ranges) + return; + + if ((node->parent->addr_cells == -1)) + FAIL(c, "Relying on default #address-cells value for %s", + node->fullpath); + + if ((node->parent->size_cells == -1)) + FAIL(c, "Relying on default #size-cells value for %s", + node->fullpath); +} +NODE_CHECK(avoid_default_addr_size, NULL, WARN, &addr_size_cells); + +static void check_obsolete_chosen_interrupt_controller(struct check *c, + struct node *dt) +{ + struct node *chosen; + struct property *prop; + + chosen = get_node_by_path(dt, "/chosen"); + if (!chosen) + return; + + prop = get_property(chosen, "interrupt-controller"); + if (prop) + FAIL(c, "/chosen has obsolete \"interrupt-controller\" " + "property"); +} +TREE_CHECK(obsolete_chosen_interrupt_controller, NULL, WARN); + +static struct check *check_table[] = { + &duplicate_node_names, &duplicate_property_names, + &name_is_string, &name_properties, + &explicit_phandles, + &phandle_references, &path_references, + + &address_cells_is_cell, &size_cells_is_cell, &interrupt_cells_is_cell, + &device_type_is_string, &model_is_string, &status_is_string, + + &addr_size_cells, ®_format, &ranges_format, + + &avoid_default_addr_size, + &obsolete_chosen_interrupt_controller, +}; + +int check_semantics(struct node *dt, int outversion, int boot_cpuid_phys); + +void process_checks(int force, struct boot_info *bi, + int checkflag, int outversion, int boot_cpuid_phys) +{ + struct node *dt = bi->dt; + int i; + int error = 0; + + for (i = 0; i < ARRAY_SIZE(check_table); i++) { + struct check *c = check_table[i]; + + if (c->level != IGNORE) + error = error || run_check(c, dt); + } + + if (error) { + if (!force) { + fprintf(stderr, "ERROR: Input tree has errors, aborting " + "(use -f to force output)\n"); + exit(2); + } else if (quiet < 3) { + fprintf(stderr, "Warning: Input tree has errors, " + "output forced\n"); + } + } + + if (checkflag) { + if (error) { + fprintf(stderr, "Warning: Skipping semantic checks due to structural errors\n"); + } else { + if (!check_semantics(bi->dt, outversion, + boot_cpuid_phys)) + fprintf(stderr, "Warning: Input tree has semantic errors\n"); + } + } +} + +/* + * Semantic check functions + */ + +#define ERRMSG(...) if (quiet < 2) fprintf(stderr, "ERROR: " __VA_ARGS__) +#define WARNMSG(...) if (quiet < 1) fprintf(stderr, "Warning: " __VA_ARGS__) + +#define DO_ERR(...) do {ERRMSG(__VA_ARGS__); ok = 0; } while (0) + +#define CHECK_HAVE(node, propname) \ + do { \ + if (! (prop = get_property((node), (propname)))) \ + DO_ERR("Missing \"%s\" property in %s\n", (propname), \ + (node)->fullpath); \ + } while (0); + +#define CHECK_HAVE_WARN(node, propname) \ + do { \ + if (! (prop = get_property((node), (propname)))) \ + WARNMSG("%s has no \"%s\" property\n", \ + (node)->fullpath, (propname)); \ + } while (0) + +#define CHECK_HAVE_STRING(node, propname) \ + do { \ + CHECK_HAVE((node), (propname)); \ + if (prop && !data_is_one_string(prop->val)) \ + DO_ERR("\"%s\" property in %s is not a string\n", \ + (propname), (node)->fullpath); \ + } while (0) + +#define CHECK_HAVE_STREQ(node, propname, value) \ + do { \ + CHECK_HAVE_STRING((node), (propname)); \ + if (prop && !streq(prop->val.val, (value))) \ + DO_ERR("%s has wrong %s, %s (should be %s\n", \ + (node)->fullpath, (propname), \ + prop->val.val, (value)); \ + } while (0) + +#define CHECK_HAVE_ONECELL(node, propname) \ + do { \ + CHECK_HAVE((node), (propname)); \ + if (prop && (prop->val.len != sizeof(cell_t))) \ + DO_ERR("\"%s\" property in %s has wrong size %d (should be 1 cell)\n", (propname), (node)->fullpath, prop->val.len); \ + } while (0) + +#define CHECK_HAVE_WARN_ONECELL(node, propname) \ + do { \ + CHECK_HAVE_WARN((node), (propname)); \ + if (prop && (prop->val.len != sizeof(cell_t))) \ + DO_ERR("\"%s\" property in %s has wrong size %d (should be 1 cell)\n", (propname), (node)->fullpath, prop->val.len); \ + } while (0) + +#define CHECK_HAVE_WARN_PHANDLE(xnode, propname, root) \ + do { \ + struct node *ref; \ + CHECK_HAVE_WARN_ONECELL((xnode), (propname)); \ + if (prop) {\ + cell_t phandle = propval_cell(prop); \ + if ((phandle == 0) || (phandle == -1)) { \ + DO_ERR("\"%s\" property in %s contains an invalid phandle %x\n", (propname), (xnode)->fullpath, phandle); \ + } else { \ + ref = get_node_by_phandle((root), propval_cell(prop)); \ + if (! ref) \ + DO_ERR("\"%s\" property in %s refers to non-existant phandle %x\n", (propname), (xnode)->fullpath, propval_cell(prop)); \ + } \ + } \ + } while (0) + +#define CHECK_HAVE_WARN_STRING(node, propname) \ + do { \ + CHECK_HAVE_WARN((node), (propname)); \ + if (prop && !data_is_one_string(prop->val)) \ + DO_ERR("\"%s\" property in %s is not a string\n", \ + (propname), (node)->fullpath); \ + } while (0) + +static int check_root(struct node *root) +{ + struct property *prop; + int ok = 1; + + CHECK_HAVE_STRING(root, "model"); + CHECK_HAVE_WARN(root, "compatible"); + + return ok; +} + +static int check_cpus(struct node *root, int outversion, int boot_cpuid_phys) +{ + struct node *cpus, *cpu; + struct property *prop; + struct node *bootcpu = NULL; + int ok = 1; + + cpus = get_subnode(root, "cpus"); + if (! cpus) { + ERRMSG("Missing /cpus node\n"); + return 0; + } + + if (cpus->addr_cells != 1) + DO_ERR("%s has bad #address-cells value %d (should be 1)\n", + cpus->fullpath, cpus->addr_cells); + if (cpus->size_cells != 0) + DO_ERR("%s has bad #size-cells value %d (should be 0)\n", + cpus->fullpath, cpus->size_cells); + + for_each_child(cpus, cpu) { + CHECK_HAVE_STREQ(cpu, "device_type", "cpu"); + + CHECK_HAVE_ONECELL(cpu, "reg"); + if (prop) { + cell_t unitnum; + char *eptr; + + unitnum = strtol(get_unitname(cpu), &eptr, 16); + if (*eptr) { + WARNMSG("%s has bad format unit name %s (should be CPU number\n", + cpu->fullpath, get_unitname(cpu)); + } else if (unitnum != propval_cell(prop)) { + WARNMSG("%s unit name \"%s\" does not match \"reg\" property <%x>\n", + cpu->fullpath, get_unitname(cpu), + propval_cell(prop)); + } + } + +/* CHECK_HAVE_ONECELL(cpu, "d-cache-line-size"); */ +/* CHECK_HAVE_ONECELL(cpu, "i-cache-line-size"); */ + CHECK_HAVE_ONECELL(cpu, "d-cache-size"); + CHECK_HAVE_ONECELL(cpu, "i-cache-size"); + + CHECK_HAVE_WARN_ONECELL(cpu, "clock-frequency"); + CHECK_HAVE_WARN_ONECELL(cpu, "timebase-frequency"); + + prop = get_property(cpu, "linux,boot-cpu"); + if (prop) { + if (prop->val.len) + WARNMSG("\"linux,boot-cpu\" property in %s is non-empty\n", + cpu->fullpath); + if (bootcpu) + DO_ERR("Multiple boot cpus (%s and %s)\n", + bootcpu->fullpath, cpu->fullpath); + else + bootcpu = cpu; + } + } + + if (outversion < 2) { + if (! bootcpu) + WARNMSG("No cpu has \"linux,boot-cpu\" property\n"); + } else { + if (bootcpu) + WARNMSG("\"linux,boot-cpu\" property is deprecated in blob version 2 or higher\n"); + if (boot_cpuid_phys == 0xfeedbeef) + WARNMSG("physical boot CPU not set. Use -b option to set\n"); + } + + return ok; +} + +static int check_memory(struct node *root) +{ + struct node *mem; + struct property *prop; + int nnodes = 0; + int ok = 1; + + for_each_child(root, mem) { + if (! strneq(mem->name, "memory", mem->basenamelen)) + continue; + + nnodes++; + + CHECK_HAVE_STREQ(mem, "device_type", "memory"); + CHECK_HAVE(mem, "reg"); + } + + if (nnodes == 0) { + ERRMSG("No memory nodes\n"); + return 0; + } + + return ok; +} + +int check_semantics(struct node *dt, int outversion, int boot_cpuid_phys) +{ + int ok = 1; + + ok = ok && check_root(dt); + ok = ok && check_cpus(dt, outversion, boot_cpuid_phys); + ok = ok && check_memory(dt); + if (! ok) + return 0; + + return 1; +} diff --git a/arch/powerpc/boot/dtc-src/data.c b/arch/powerpc/boot/dtc-src/data.c new file mode 100644 index 000000000000..a94718c731a9 --- /dev/null +++ b/arch/powerpc/boot/dtc-src/data.c @@ -0,0 +1,321 @@ +/* + * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +#include "dtc.h" + +void data_free(struct data d) +{ + struct marker *m, *nm; + + m = d.markers; + while (m) { + nm = m->next; + free(m->ref); + free(m); + m = nm; + } + + assert(!d.val || d.asize); + + if (d.val) + free(d.val); +} + +struct data data_grow_for(struct data d, int xlen) +{ + struct data nd; + int newsize; + + /* we must start with an allocated datum */ + assert(!d.val || d.asize); + + if (xlen == 0) + return d; + + nd = d; + + newsize = xlen; + + while ((d.len + xlen) > newsize) + newsize *= 2; + + nd.asize = newsize; + nd.val = xrealloc(d.val, newsize); + + assert(nd.asize >= (d.len + xlen)); + + return nd; +} + +struct data data_copy_mem(const char *mem, int len) +{ + struct data d; + + d = data_grow_for(empty_data, len); + + d.len = len; + memcpy(d.val, mem, len); + + return d; +} + +static char get_oct_char(const char *s, int *i) +{ + char x[4]; + char *endx; + long val; + + x[3] = '\0'; + x[0] = s[(*i)]; + if (x[0]) { + x[1] = s[(*i)+1]; + if (x[1]) + x[2] = s[(*i)+2]; + } + + val = strtol(x, &endx, 8); + if ((endx - x) == 0) + fprintf(stderr, "Empty \\nnn escape\n"); + + (*i) += endx - x; + return val; +} + +static char get_hex_char(const char *s, int *i) +{ + char x[3]; + char *endx; + long val; + + x[2] = '\0'; + x[0] = s[(*i)]; + if (x[0]) + x[1] = s[(*i)+1]; + + val = strtol(x, &endx, 16); + if ((endx - x) == 0) + fprintf(stderr, "Empty \\x escape\n"); + + (*i) += endx - x; + return val; +} + +struct data data_copy_escape_string(const char *s, int len) +{ + int i = 0; + struct data d; + char *q; + + d = data_grow_for(empty_data, strlen(s)+1); + + q = d.val; + while (i < len) { + char c = s[i++]; + + if (c != '\\') { + q[d.len++] = c; + continue; + } + + c = s[i++]; + assert(c); + switch (c) { + case 'a': + q[d.len++] = '\a'; + break; + case 'b': + q[d.len++] = '\b'; + break; + case 't': + q[d.len++] = '\t'; + break; + case 'n': + q[d.len++] = '\n'; + break; + case 'v': + q[d.len++] = '\v'; + break; + case 'f': + q[d.len++] = '\f'; + break; + case 'r': + q[d.len++] = '\r'; + break; + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + i--; /* need to re-read the first digit as + * part of the octal value */ + q[d.len++] = get_oct_char(s, &i); + break; + case 'x': + q[d.len++] = get_hex_char(s, &i); + break; + default: + q[d.len++] = c; + } + } + + q[d.len++] = '\0'; + return d; +} + +struct data data_copy_file(FILE *f, size_t len) +{ + struct data d; + + d = data_grow_for(empty_data, len); + + d.len = len; + fread(d.val, len, 1, f); + + return d; +} + +struct data data_append_data(struct data d, const void *p, int len) +{ + d = data_grow_for(d, len); + memcpy(d.val + d.len, p, len); + d.len += len; + return d; +} + +struct data data_insert_at_marker(struct data d, struct marker *m, + const void *p, int len) +{ + d = data_grow_for(d, len); + memmove(d.val + m->offset + len, d.val + m->offset, d.len - m->offset); + memcpy(d.val + m->offset, p, len); + d.len += len; + + /* Adjust all markers after the one we're inserting at */ + m = m->next; + for_each_marker(m) + m->offset += len; + return d; +} + +struct data data_append_markers(struct data d, struct marker *m) +{ + struct marker **mp = &d.markers; + + /* Find the end of the markerlist */ + while (*mp) + mp = &((*mp)->next); + *mp = m; + return d; +} + +struct data data_merge(struct data d1, struct data d2) +{ + struct data d; + struct marker *m2 = d2.markers; + + d = data_append_markers(data_append_data(d1, d2.val, d2.len), m2); + + /* Adjust for the length of d1 */ + for_each_marker(m2) + m2->offset += d1.len; + + d2.markers = NULL; /* So data_free() doesn't clobber them */ + data_free(d2); + + return d; +} + +struct data data_append_cell(struct data d, cell_t word) +{ + cell_t beword = cpu_to_be32(word); + + return data_append_data(d, &beword, sizeof(beword)); +} + +struct data data_append_re(struct data d, const struct fdt_reserve_entry *re) +{ + struct fdt_reserve_entry bere; + + bere.address = cpu_to_be64(re->address); + bere.size = cpu_to_be64(re->size); + + return data_append_data(d, &bere, sizeof(bere)); +} + +struct data data_append_addr(struct data d, u64 addr) +{ + u64 beaddr = cpu_to_be64(addr); + + return data_append_data(d, &beaddr, sizeof(beaddr)); +} + +struct data data_append_byte(struct data d, uint8_t byte) +{ + return data_append_data(d, &byte, 1); +} + +struct data data_append_zeroes(struct data d, int len) +{ + d = data_grow_for(d, len); + + memset(d.val + d.len, 0, len); + d.len += len; + return d; +} + +struct data data_append_align(struct data d, int align) +{ + int newlen = ALIGN(d.len, align); + return data_append_zeroes(d, newlen - d.len); +} + +struct data data_add_marker(struct data d, enum markertype type, char *ref) +{ + struct marker *m; + + m = xmalloc(sizeof(*m)); + m->offset = d.len; + m->type = type; + m->ref = ref; + m->next = NULL; + + return data_append_markers(d, m); +} + +int data_is_one_string(struct data d) +{ + int i; + int len = d.len; + + if (len == 0) + return 0; + + for (i = 0; i < len-1; i++) + if (d.val[i] == '\0') + return 0; + + if (d.val[len-1] != '\0') + return 0; + + return 1; +} diff --git a/arch/powerpc/boot/dtc-src/dtc-lexer.l b/arch/powerpc/boot/dtc-src/dtc-lexer.l new file mode 100644 index 000000000000..c811b221b31e --- /dev/null +++ b/arch/powerpc/boot/dtc-src/dtc-lexer.l @@ -0,0 +1,328 @@ +/* + * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +%option noyywrap nounput yylineno + +%x INCLUDE +%x BYTESTRING +%x PROPNODENAME +%s V1 + +PROPNODECHAR [a-zA-Z0-9,._+*#?@-] +PATHCHAR ({PROPNODECHAR}|[/]) +LABEL [a-zA-Z_][a-zA-Z0-9_]* + +%{ +#include "dtc.h" +#include "srcpos.h" +#include "dtc-parser.tab.h" + + +/*#define LEXDEBUG 1*/ + +#ifdef LEXDEBUG +#define DPRINT(fmt, ...) fprintf(stderr, fmt, ##__VA_ARGS__) +#else +#define DPRINT(fmt, ...) do { } while (0) +#endif + +static int dts_version; /* = 0 */ + +#define BEGIN_DEFAULT() if (dts_version == 0) { \ + DPRINT("<INITIAL>\n"); \ + BEGIN(INITIAL); \ + } else { \ + DPRINT("<V1>\n"); \ + BEGIN(V1); \ + } +%} + +%% +<*>"/include/" BEGIN(INCLUDE); + +<INCLUDE>\"[^"\n]*\" { + yytext[strlen(yytext) - 1] = 0; + if (!push_input_file(yytext + 1)) { + /* Some unrecoverable error.*/ + exit(1); + } + BEGIN_DEFAULT(); + } + + +<*><<EOF>> { + if (!pop_input_file()) { + yyterminate(); + } + } + +<*>\"([^\\"]|\\.)*\" { + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("String: %s\n", yytext); + yylval.data = data_copy_escape_string(yytext+1, + yyleng-2); + yylloc.first_line = yylineno; + return DT_STRING; + } + +<*>"/dts-v1/" { + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("Keyword: /dts-v1/\n"); + dts_version = 1; + BEGIN_DEFAULT(); + return DT_V1; + } + +<*>"/memreserve/" { + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("Keyword: /memreserve/\n"); + BEGIN_DEFAULT(); + return DT_MEMRESERVE; + } + +<*>{LABEL}: { + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("Label: %s\n", yytext); + yylval.labelref = strdup(yytext); + yylval.labelref[yyleng-1] = '\0'; + return DT_LABEL; + } + +<INITIAL>[bodh]# { + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + if (*yytext == 'b') + yylval.cbase = 2; + else if (*yytext == 'o') + yylval.cbase = 8; + else if (*yytext == 'd') + yylval.cbase = 10; + else + yylval.cbase = 16; + DPRINT("Base: %d\n", yylval.cbase); + return DT_BASE; + } + +<INITIAL>[0-9a-fA-F]+ { + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + yylval.literal = strdup(yytext); + DPRINT("Literal: '%s'\n", yylval.literal); + return DT_LEGACYLITERAL; + } + +<V1>[0-9]+|0[xX][0-9a-fA-F]+ { + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + yylval.literal = strdup(yytext); + DPRINT("Literal: '%s'\n", yylval.literal); + return DT_LITERAL; + } + +\&{LABEL} { /* label reference */ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("Ref: %s\n", yytext+1); + yylval.labelref = strdup(yytext+1); + return DT_REF; + } + +"&{/"{PATHCHAR}+\} { /* new-style path reference */ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + yytext[yyleng-1] = '\0'; + DPRINT("Ref: %s\n", yytext+2); + yylval.labelref = strdup(yytext+2); + return DT_REF; + } + +<INITIAL>"&/"{PATHCHAR}+ { /* old-style path reference */ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("Ref: %s\n", yytext+1); + yylval.labelref = strdup(yytext+1); + return DT_REF; + } + +<BYTESTRING>[0-9a-fA-F]{2} { + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + yylval.byte = strtol(yytext, NULL, 16); + DPRINT("Byte: %02x\n", (int)yylval.byte); + return DT_BYTE; + } + +<BYTESTRING>"]" { + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("/BYTESTRING\n"); + BEGIN_DEFAULT(); + return ']'; + } + +<PROPNODENAME>{PROPNODECHAR}+ { + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("PropNodeName: %s\n", yytext); + yylval.propnodename = strdup(yytext); + BEGIN_DEFAULT(); + return DT_PROPNODENAME; + } + + +<*>[[:space:]]+ /* eat whitespace */ + +<*>"/*"([^*]|\*+[^*/])*\*+"/" { + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("Comment: %s\n", yytext); + /* eat comments */ + } + +<*>"//".*\n /* eat line comments */ + +<*>. { + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("Char: %c (\\x%02x)\n", yytext[0], + (unsigned)yytext[0]); + if (yytext[0] == '[') { + DPRINT("<BYTESTRING>\n"); + BEGIN(BYTESTRING); + } + if ((yytext[0] == '{') + || (yytext[0] == ';')) { + DPRINT("<PROPNODENAME>\n"); + BEGIN(PROPNODENAME); + } + return yytext[0]; + } + +%% + + +/* + * Stack of nested include file contexts. + */ + +struct incl_file { + int filenum; + FILE *file; + YY_BUFFER_STATE yy_prev_buf; + int yy_prev_lineno; + struct incl_file *prev; +}; + +struct incl_file *incl_file_stack; + + +/* + * Detect infinite include recursion. + */ +#define MAX_INCLUDE_DEPTH (100) + +static int incl_depth = 0; + + +int push_input_file(const char *filename) +{ + FILE *f; + struct incl_file *incl_file; + + if (!filename) { + yyerror("No include file name given."); + return 0; + } + + if (incl_depth++ >= MAX_INCLUDE_DEPTH) { + yyerror("Includes nested too deeply"); + return 0; + } + + f = dtc_open_file(filename); + + incl_file = malloc(sizeof(struct incl_file)); + if (!incl_file) { + yyerror("Can not allocate include file space."); + return 0; + } + + /* + * Save current context. + */ + incl_file->yy_prev_buf = YY_CURRENT_BUFFER; + incl_file->yy_prev_lineno = yylineno; + incl_file->filenum = srcpos_filenum; + incl_file->file = yyin; + incl_file->prev = incl_file_stack; + + incl_file_stack = incl_file; + + /* + * Establish new context. + */ + srcpos_filenum = lookup_file_name(filename, 0); + yylineno = 1; + yyin = f; + yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE)); + + return 1; +} + + +int pop_input_file(void) +{ + struct incl_file *incl_file; + + if (incl_file_stack == 0) + return 0; + + fclose(yyin); + + /* + * Pop. + */ + --incl_depth; + incl_file = incl_file_stack; + incl_file_stack = incl_file->prev; + + /* + * Recover old context. + */ + yy_delete_buffer(YY_CURRENT_BUFFER); + yy_switch_to_buffer(incl_file->yy_prev_buf); + yylineno = incl_file->yy_prev_lineno; + srcpos_filenum = incl_file->filenum; + yyin = incl_file->file; + + /* + * Free old state. + */ + free(incl_file); + + if (YY_CURRENT_BUFFER == 0) + return 0; + + return 1; +} diff --git a/arch/powerpc/boot/dtc-src/dtc-lexer.lex.c_shipped b/arch/powerpc/boot/dtc-src/dtc-lexer.lex.c_shipped new file mode 100644 index 000000000000..d0f742460f92 --- /dev/null +++ b/arch/powerpc/boot/dtc-src/dtc-lexer.lex.c_shipped @@ -0,0 +1,2174 @@ +#line 2 "dtc-lexer.lex.c" + +#line 4 "dtc-lexer.lex.c" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 33 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <stdlib.h> + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ + +#if __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include <inttypes.h> +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; +#endif /* ! C99 */ + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +#if __STDC__ + +#define YY_USE_CONST + +#endif /* __STDC__ */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN (yy_start) = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START (((yy_start) - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE yyrestart(yyin ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE 16384 +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +extern int yyleng; + +extern FILE *yyin, *yyout; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + /* Note: We specifically omit the test for yy_rule_can_match_eol because it requires + * access to the local variable yy_act. Since yyless() is a macro, it would break + * existing scanners that call yyless() from OUTSIDE yylex. + * One obvious solution it to make yy_act a global. I tried that, and saw + * a 5% performance hit in a non-yylineno scanner, because yy_act is + * normally declared as a register variable-- so it is not worth it. + */ + #define YY_LESS_LINENO(n) \ + do { \ + int yyl;\ + for ( yyl = n; yyl < yyleng; ++yyl )\ + if ( yytext[yyl] == '\n' )\ + --yylineno;\ + }while(0) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = (yy_hold_char); \ + YY_RESTORE_YY_MORE_OFFSET \ + (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, (yytext_ptr) ) + +/* The following is because we cannot portably get our hands on size_t + * (without autoconf's help, which isn't available because we want + * flex-generated scanners to compile on their own). + */ + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef unsigned int yy_size_t; +#endif + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via yyrestart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ + : NULL) + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] + +/* yy_hold_char holds the character lost when yytext is formed. */ +static char yy_hold_char; +static int yy_n_chars; /* number of characters read into yy_ch_buf */ +int yyleng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = (char *) 0; +static int yy_init = 0; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow yywrap()'s to do buffer switches + * instead of setting up a fresh yyin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +void yyrestart (FILE *input_file ); +void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ); +void yy_delete_buffer (YY_BUFFER_STATE b ); +void yy_flush_buffer (YY_BUFFER_STATE b ); +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ); +void yypop_buffer_state (void ); + +static void yyensure_buffer_stack (void ); +static void yy_load_buffer_state (void ); +static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ); + +#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ) + +YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ); +YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ); +YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len ); + +void *yyalloc (yy_size_t ); +void *yyrealloc (void *,yy_size_t ); +void yyfree (void * ); + +#define yy_new_buffer yy_create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +#define yywrap() 1 +#define YY_SKIP_YYWRAP + +typedef unsigned char YY_CHAR; + +FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; + +typedef int yy_state_type; + +extern int yylineno; + +int yylineno = 1; + +extern char *yytext; +#define yytext_ptr yytext + +static yy_state_type yy_get_previous_state (void ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); +static int yy_get_next_buffer (void ); +static void yy_fatal_error (yyconst char msg[] ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + (yytext_ptr) = yy_bp; \ + yyleng = (size_t) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ + *yy_cp = '\0'; \ + (yy_c_buf_p) = yy_cp; + +#define YY_NUM_RULES 20 +#define YY_END_OF_BUFFER 21 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_accept[94] = + { 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 21, 19, 16, 16, 19, 19, 19, 8, 8, 19, + 8, 19, 19, 19, 19, 14, 15, 15, 19, 9, + 9, 16, 0, 3, 0, 0, 10, 0, 0, 0, + 0, 0, 0, 8, 8, 6, 0, 7, 0, 2, + 0, 13, 13, 15, 15, 9, 0, 12, 10, 0, + 0, 0, 0, 18, 0, 0, 0, 2, 9, 0, + 17, 0, 0, 0, 11, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 4, 0, 0, 1, 0, 0, + 0, 5, 0 + + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 1, 4, 5, 1, 1, 6, 1, 1, + 1, 7, 8, 8, 9, 8, 10, 11, 12, 13, + 13, 13, 13, 13, 13, 13, 13, 14, 1, 1, + 1, 1, 8, 8, 15, 15, 15, 15, 15, 15, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 17, 16, 16, + 1, 18, 19, 1, 16, 1, 15, 20, 21, 22, + + 23, 15, 16, 24, 25, 16, 16, 26, 27, 28, + 24, 16, 16, 29, 30, 31, 32, 33, 16, 17, + 16, 16, 34, 1, 35, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static yyconst flex_int32_t yy_meta[36] = + { 0, + 1, 1, 1, 1, 2, 1, 2, 2, 2, 3, + 4, 4, 4, 5, 6, 7, 7, 1, 1, 6, + 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 8, 1 + } ; + +static yyconst flex_int16_t yy_base[107] = + { 0, + 0, 0, 32, 0, 53, 0, 76, 0, 108, 111, + 280, 288, 37, 39, 33, 36, 106, 0, 123, 146, + 255, 251, 45, 0, 159, 288, 0, 53, 108, 172, + 114, 127, 158, 288, 245, 0, 0, 234, 235, 236, + 197, 195, 199, 0, 0, 288, 0, 288, 160, 288, + 183, 288, 0, 0, 183, 182, 0, 0, 0, 0, + 204, 189, 207, 288, 179, 187, 180, 194, 0, 171, + 288, 196, 178, 174, 288, 169, 169, 177, 165, 153, + 143, 155, 137, 118, 288, 122, 42, 288, 36, 36, + 40, 288, 288, 212, 218, 223, 229, 234, 239, 245, + + 251, 255, 262, 270, 275, 280 + } ; + +static yyconst flex_int16_t yy_def[107] = + { 0, + 93, 1, 1, 3, 3, 5, 93, 7, 3, 3, + 93, 93, 93, 93, 94, 95, 93, 96, 93, 19, + 19, 20, 97, 98, 20, 93, 99, 100, 95, 93, + 93, 93, 94, 93, 94, 101, 102, 93, 103, 104, + 93, 93, 93, 96, 19, 93, 20, 93, 97, 93, + 97, 93, 20, 99, 100, 93, 105, 101, 102, 106, + 103, 103, 104, 93, 93, 93, 93, 94, 105, 106, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 0, 93, 93, 93, 93, 93, 93, 93, + + 93, 93, 93, 93, 93, 93 + } ; + +static yyconst flex_int16_t yy_nxt[324] = + { 0, + 12, 13, 14, 15, 12, 16, 12, 12, 12, 17, + 18, 18, 18, 12, 19, 20, 20, 12, 12, 21, + 19, 21, 19, 22, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 12, 12, 23, 34, 12, 32, 32, + 32, 32, 12, 12, 12, 36, 20, 33, 50, 92, + 35, 20, 20, 20, 20, 20, 15, 54, 91, 54, + 54, 54, 51, 24, 24, 24, 46, 25, 90, 38, + 89, 26, 25, 25, 25, 25, 12, 13, 14, 15, + 27, 12, 27, 27, 27, 17, 27, 27, 27, 12, + 28, 28, 28, 12, 12, 28, 28, 28, 28, 28, + + 28, 28, 28, 28, 28, 28, 28, 28, 28, 12, + 12, 15, 39, 29, 15, 40, 29, 93, 30, 31, + 31, 30, 31, 31, 56, 56, 56, 41, 32, 32, + 42, 88, 43, 45, 45, 45, 46, 45, 47, 47, + 87, 38, 45, 45, 45, 45, 47, 47, 47, 47, + 47, 47, 47, 47, 47, 47, 47, 47, 47, 86, + 47, 34, 33, 50, 85, 47, 47, 47, 47, 53, + 53, 53, 84, 53, 83, 35, 82, 51, 53, 53, + 53, 53, 56, 56, 56, 93, 68, 54, 57, 54, + 54, 54, 56, 56, 56, 62, 46, 34, 71, 81, + + 80, 79, 78, 77, 76, 75, 74, 73, 72, 64, + 62, 35, 33, 33, 33, 33, 33, 33, 33, 33, + 37, 67, 66, 37, 37, 37, 44, 65, 44, 49, + 49, 49, 49, 49, 49, 49, 49, 52, 64, 52, + 54, 62, 54, 60, 54, 54, 55, 93, 55, 55, + 55, 55, 58, 58, 58, 48, 58, 58, 59, 48, + 59, 59, 61, 61, 61, 61, 61, 61, 61, 61, + 63, 63, 63, 63, 63, 63, 63, 63, 69, 93, + 69, 70, 70, 70, 93, 70, 70, 11, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93 + } ; + +static yyconst flex_int16_t yy_chk[324] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 3, 15, 3, 13, 13, + 14, 14, 3, 3, 3, 16, 3, 23, 23, 91, + 15, 3, 3, 3, 3, 3, 5, 28, 90, 28, + 28, 28, 23, 5, 5, 5, 28, 5, 89, 16, + 87, 5, 5, 5, 5, 5, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 9, 17, 9, 10, 17, 10, 29, 9, 9, + 9, 10, 10, 10, 31, 31, 31, 17, 32, 32, + 17, 86, 17, 19, 19, 19, 19, 19, 19, 19, + 84, 29, 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 20, 20, 20, 83, + 20, 33, 49, 49, 82, 20, 20, 20, 20, 25, + 25, 25, 81, 25, 80, 33, 79, 49, 25, 25, + 25, 25, 30, 30, 30, 51, 51, 55, 30, 55, + 55, 55, 56, 56, 56, 62, 55, 68, 62, 78, + + 77, 76, 74, 73, 72, 70, 67, 66, 65, 63, + 61, 68, 94, 94, 94, 94, 94, 94, 94, 94, + 95, 43, 42, 95, 95, 95, 96, 41, 96, 97, + 97, 97, 97, 97, 97, 97, 97, 98, 40, 98, + 99, 39, 99, 38, 99, 99, 100, 35, 100, 100, + 100, 100, 101, 101, 101, 22, 101, 101, 102, 21, + 102, 102, 103, 103, 103, 103, 103, 103, 103, 103, + 104, 104, 104, 104, 104, 104, 104, 104, 105, 11, + 105, 106, 106, 106, 0, 106, 106, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, + 93, 93, 93 + } ; + +/* Table of booleans, true if rule could match eol. */ +static yyconst flex_int32_t yy_rule_can_match_eol[21] = + { 0, +0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, + 0, }; + +static yy_state_type yy_last_accepting_state; +static char *yy_last_accepting_cpos; + +extern int yy_flex_debug; +int yy_flex_debug = 0; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +char *yytext; +#line 1 "dtc-lexer.l" +/* + * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + + + + +#line 33 "dtc-lexer.l" +#include "dtc.h" +#include "srcpos.h" +#include "dtc-parser.tab.h" + + +/*#define LEXDEBUG 1*/ + +#ifdef LEXDEBUG +#define DPRINT(fmt, ...) fprintf(stderr, fmt, ##__VA_ARGS__) +#else +#define DPRINT(fmt, ...) do { } while (0) +#endif + +static int dts_version; /* = 0 */ + +#define BEGIN_DEFAULT() if (dts_version == 0) { \ + DPRINT("<INITIAL>\n"); \ + BEGIN(INITIAL); \ + } else { \ + DPRINT("<V1>\n"); \ + BEGIN(V1); \ + } +#line 627 "dtc-lexer.lex.c" + +#define INITIAL 0 +#define INCLUDE 1 +#define BYTESTRING 2 +#define PROPNODENAME 3 +#define V1 4 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include <unistd.h> +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +static int yy_init_globals (void ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int yywrap (void ); +#else +extern int yywrap (void ); +#endif +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (void ); +#else +static int input (void ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO (void) fwrite( yytext, yyleng, 1, yyout ) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + size_t n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int yylex (void); + +#define YY_DECL int yylex (void) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + register yy_state_type yy_current_state; + register char *yy_cp, *yy_bp; + register int yy_act; + +#line 57 "dtc-lexer.l" + +#line 784 "dtc-lexer.lex.c" + + if ( !(yy_init) ) + { + (yy_init) = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); + } + + yy_load_buffer_state( ); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = (yy_c_buf_p); + + /* Support of yytext. */ + *yy_cp = (yy_hold_char); + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = (yy_start); +yy_match: + do + { + register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 94 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + ++yy_cp; + } + while ( yy_base[yy_current_state] != 288 ); + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + if ( yy_act == 0 ) + { /* have to back up */ + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + yy_act = yy_accept[yy_current_state]; + } + + YY_DO_BEFORE_ACTION; + + if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] ) + { + int yyl; + for ( yyl = 0; yyl < yyleng; ++yyl ) + if ( yytext[yyl] == '\n' ) + + yylineno++; +; + } + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = (yy_hold_char); + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + goto yy_find_action; + +case 1: +YY_RULE_SETUP +#line 58 "dtc-lexer.l" +BEGIN(INCLUDE); + YY_BREAK +case 2: +YY_RULE_SETUP +#line 60 "dtc-lexer.l" +{ + yytext[strlen(yytext) - 1] = 0; + if (!push_input_file(yytext + 1)) { + /* Some unrecoverable error.*/ + exit(1); + } + BEGIN_DEFAULT(); + } + YY_BREAK +case YY_STATE_EOF(INITIAL): +case YY_STATE_EOF(INCLUDE): +case YY_STATE_EOF(BYTESTRING): +case YY_STATE_EOF(PROPNODENAME): +case YY_STATE_EOF(V1): +#line 70 "dtc-lexer.l" +{ + if (!pop_input_file()) { + yyterminate(); + } + } + YY_BREAK +case 3: +/* rule 3 can match eol */ +YY_RULE_SETUP +#line 76 "dtc-lexer.l" +{ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("String: %s\n", yytext); + yylval.data = data_copy_escape_string(yytext+1, + yyleng-2); + yylloc.first_line = yylineno; + return DT_STRING; + } + YY_BREAK +case 4: +YY_RULE_SETUP +#line 86 "dtc-lexer.l" +{ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("Keyword: /dts-v1/\n"); + dts_version = 1; + BEGIN_DEFAULT(); + return DT_V1; + } + YY_BREAK +case 5: +YY_RULE_SETUP +#line 95 "dtc-lexer.l" +{ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("Keyword: /memreserve/\n"); + BEGIN_DEFAULT(); + return DT_MEMRESERVE; + } + YY_BREAK +case 6: +YY_RULE_SETUP +#line 103 "dtc-lexer.l" +{ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("Label: %s\n", yytext); + yylval.labelref = strdup(yytext); + yylval.labelref[yyleng-1] = '\0'; + return DT_LABEL; + } + YY_BREAK +case 7: +YY_RULE_SETUP +#line 112 "dtc-lexer.l" +{ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + if (*yytext == 'b') + yylval.cbase = 2; + else if (*yytext == 'o') + yylval.cbase = 8; + else if (*yytext == 'd') + yylval.cbase = 10; + else + yylval.cbase = 16; + DPRINT("Base: %d\n", yylval.cbase); + return DT_BASE; + } + YY_BREAK +case 8: +YY_RULE_SETUP +#line 127 "dtc-lexer.l" +{ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + yylval.literal = strdup(yytext); + DPRINT("Literal: '%s'\n", yylval.literal); + return DT_LEGACYLITERAL; + } + YY_BREAK +case 9: +YY_RULE_SETUP +#line 135 "dtc-lexer.l" +{ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + yylval.literal = strdup(yytext); + DPRINT("Literal: '%s'\n", yylval.literal); + return DT_LITERAL; + } + YY_BREAK +case 10: +YY_RULE_SETUP +#line 143 "dtc-lexer.l" +{ /* label reference */ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("Ref: %s\n", yytext+1); + yylval.labelref = strdup(yytext+1); + return DT_REF; + } + YY_BREAK +case 11: +YY_RULE_SETUP +#line 151 "dtc-lexer.l" +{ /* new-style path reference */ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + yytext[yyleng-1] = '\0'; + DPRINT("Ref: %s\n", yytext+2); + yylval.labelref = strdup(yytext+2); + return DT_REF; + } + YY_BREAK +case 12: +YY_RULE_SETUP +#line 160 "dtc-lexer.l" +{ /* old-style path reference */ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("Ref: %s\n", yytext+1); + yylval.labelref = strdup(yytext+1); + return DT_REF; + } + YY_BREAK +case 13: +YY_RULE_SETUP +#line 168 "dtc-lexer.l" +{ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + yylval.byte = strtol(yytext, NULL, 16); + DPRINT("Byte: %02x\n", (int)yylval.byte); + return DT_BYTE; + } + YY_BREAK +case 14: +YY_RULE_SETUP +#line 176 "dtc-lexer.l" +{ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("/BYTESTRING\n"); + BEGIN_DEFAULT(); + return ']'; + } + YY_BREAK +case 15: +YY_RULE_SETUP +#line 184 "dtc-lexer.l" +{ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("PropNodeName: %s\n", yytext); + yylval.propnodename = strdup(yytext); + BEGIN_DEFAULT(); + return DT_PROPNODENAME; + } + YY_BREAK +case 16: +/* rule 16 can match eol */ +YY_RULE_SETUP +#line 194 "dtc-lexer.l" +/* eat whitespace */ + YY_BREAK +case 17: +/* rule 17 can match eol */ +YY_RULE_SETUP +#line 196 "dtc-lexer.l" +{ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("Comment: %s\n", yytext); + /* eat comments */ + } + YY_BREAK +case 18: +/* rule 18 can match eol */ +YY_RULE_SETUP +#line 203 "dtc-lexer.l" +/* eat line comments */ + YY_BREAK +case 19: +YY_RULE_SETUP +#line 205 "dtc-lexer.l" +{ + yylloc.filenum = srcpos_filenum; + yylloc.first_line = yylineno; + DPRINT("Char: %c (\\x%02x)\n", yytext[0], + (unsigned)yytext[0]); + if (yytext[0] == '[') { + DPRINT("<BYTESTRING>\n"); + BEGIN(BYTESTRING); + } + if ((yytext[0] == '{') + || (yytext[0] == ';')) { + DPRINT("<PROPNODENAME>\n"); + BEGIN(PROPNODENAME); + } + return yytext[0]; + } + YY_BREAK +case 20: +YY_RULE_SETUP +#line 222 "dtc-lexer.l" +ECHO; + YY_BREAK +#line 1111 "dtc-lexer.lex.c" + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = (yy_hold_char); + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * yylex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++(yy_c_buf_p); + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = (yy_c_buf_p); + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_END_OF_FILE: + { + (yy_did_buffer_switch_on_eof) = 0; + + if ( yywrap( ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = + (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + (yy_c_buf_p) = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ +} /* end of yylex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (void) +{ + register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + register char *source = (yytext_ptr); + register int number_to_move, i; + int ret_val; + + if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; + + else + { + int num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = YY_CURRENT_BUFFER; + + int yy_c_buf_p_offset = + (int) ((yy_c_buf_p) - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + int new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - + number_to_move - 1; + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + (yy_n_chars), (size_t) num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + if ( (yy_n_chars) == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + yyrestart(yyin ); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + (yy_n_chars) += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; + + (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (void) +{ + register yy_state_type yy_current_state; + register char *yy_cp; + + yy_current_state = (yy_start); + + for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) + { + register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 94 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) +{ + register int yy_is_jam; + register char *yy_cp = (yy_c_buf_p); + + register YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 94 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 93); + + return yy_is_jam ? 0 : yy_current_state; +} + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (void) +#else + static int input (void) +#endif + +{ + int c; + + *(yy_c_buf_p) = (yy_hold_char); + + if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + /* This was really a NUL. */ + *(yy_c_buf_p) = '\0'; + + else + { /* need more input */ + int offset = (yy_c_buf_p) - (yytext_ptr); + ++(yy_c_buf_p); + + switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + yyrestart(yyin ); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( yywrap( ) ) + return EOF; + + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = (yytext_ptr) + offset; + break; + } + } + } + + c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ + *(yy_c_buf_p) = '\0'; /* preserve yytext */ + (yy_hold_char) = *++(yy_c_buf_p); + + if ( c == '\n' ) + + yylineno++; +; + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * + * @note This function does not reset the start condition to @c INITIAL . + */ + void yyrestart (FILE * input_file ) +{ + + if ( ! YY_CURRENT_BUFFER ){ + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); + } + + yy_init_buffer(YY_CURRENT_BUFFER,input_file ); + yy_load_buffer_state( ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * + */ + void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) +{ + + /* TODO. We should be able to replace this entire function body + * with + * yypop_buffer_state(); + * yypush_buffer_state(new_buffer); + */ + yyensure_buffer_stack (); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + yy_load_buffer_state( ); + + /* We don't actually know whether we did this switch during + * EOF (yywrap()) processing, but the only time this flag + * is looked at is after yywrap() is called, so it's safe + * to go ahead and always set it. + */ + (yy_did_buffer_switch_on_eof) = 1; +} + +static void yy_load_buffer_state (void) +{ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + (yy_hold_char) = *(yy_c_buf_p); +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * + * @return the allocated buffer state. + */ + YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + yy_init_buffer(b,file ); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with yy_create_buffer() + * + */ + void yy_delete_buffer (YY_BUFFER_STATE b ) +{ + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + yyfree((void *) b->yy_ch_buf ); + + yyfree((void *) b ); +} + +#ifndef __cplusplus +extern int isatty (int ); +#endif /* __cplusplus */ + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a yyrestart() or at EOF. + */ + static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) + +{ + int oerrno = errno; + + yy_flush_buffer(b ); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then yy_init_buffer was _probably_ + * called from yyrestart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * + */ + void yy_flush_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + yy_load_buffer_state( ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * + */ +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) +{ + if (new_buffer == NULL) + return; + + yyensure_buffer_stack(); + + /* This block is copied from yy_switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + (yy_buffer_stack_top)++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from yy_switch_to_buffer. */ + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * + */ +void yypop_buffer_state (void) +{ + if (!YY_CURRENT_BUFFER) + return; + + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + if ((yy_buffer_stack_top) > 0) + --(yy_buffer_stack_top); + + if (YY_CURRENT_BUFFER) { + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void yyensure_buffer_stack (void) +{ + int num_to_alloc; + + if (!(yy_buffer_stack)) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + ); + + memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + (yy_buffer_stack_max) = num_to_alloc; + (yy_buffer_stack_top) = 0; + return; + } + + if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc + ((yy_buffer_stack), + num_to_alloc * sizeof(struct yy_buffer_state*) + ); + + /* zero only the new slots.*/ + memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); + (yy_buffer_stack_max) = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + yy_switch_to_buffer(b ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to yylex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * yy_scan_bytes() instead. + */ +YY_BUFFER_STATE yy_scan_string (yyconst char * yystr ) +{ + + return yy_scan_bytes(yystr,strlen(yystr) ); +} + +/** Setup the input buffer state to scan the given bytes. The next call to yylex() will + * scan from a @e copy of @a bytes. + * @param bytes the byte buffer to scan + * @param len the number of bytes in the buffer pointed to by @a bytes. + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, int _yybytes_len ) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + int i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = _yybytes_len + 2; + buf = (char *) yyalloc(n ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = yy_scan_buffer(buf,n ); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yy_fatal_error (yyconst char* msg ) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + yytext[yyleng] = (yy_hold_char); \ + (yy_c_buf_p) = yytext + yyless_macro_arg; \ + (yy_hold_char) = *(yy_c_buf_p); \ + *(yy_c_buf_p) = '\0'; \ + yyleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the current line number. + * + */ +int yyget_lineno (void) +{ + + return yylineno; +} + +/** Get the input stream. + * + */ +FILE *yyget_in (void) +{ + return yyin; +} + +/** Get the output stream. + * + */ +FILE *yyget_out (void) +{ + return yyout; +} + +/** Get the length of the current token. + * + */ +int yyget_leng (void) +{ + return yyleng; +} + +/** Get the current token. + * + */ + +char *yyget_text (void) +{ + return yytext; +} + +/** Set the current line number. + * @param line_number + * + */ +void yyset_lineno (int line_number ) +{ + + yylineno = line_number; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * + * @see yy_switch_to_buffer + */ +void yyset_in (FILE * in_str ) +{ + yyin = in_str ; +} + +void yyset_out (FILE * out_str ) +{ + yyout = out_str ; +} + +int yyget_debug (void) +{ + return yy_flex_debug; +} + +void yyset_debug (int bdebug ) +{ + yy_flex_debug = bdebug ; +} + +static int yy_init_globals (void) +{ + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from yylex_destroy(), so don't allocate here. + */ + + /* We do not touch yylineno unless the option is enabled. */ + yylineno = 1; + + (yy_buffer_stack) = 0; + (yy_buffer_stack_top) = 0; + (yy_buffer_stack_max) = 0; + (yy_c_buf_p) = (char *) 0; + (yy_init) = 0; + (yy_start) = 0; + +/* Defined in main.c */ +#ifdef YY_STDINIT + yyin = stdin; + yyout = stdout; +#else + yyin = (FILE *) 0; + yyout = (FILE *) 0; +#endif + + /* For future reference: Set errno on error, since we are called by + * yylex_init() + */ + return 0; +} + +/* yylex_destroy is for both reentrant and non-reentrant scanners. */ +int yylex_destroy (void) +{ + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + yypop_buffer_state(); + } + + /* Destroy the stack itself. */ + yyfree((yy_buffer_stack) ); + (yy_buffer_stack) = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * yylex() is called, initialization will occur. */ + yy_init_globals( ); + + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) +{ + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s ) +{ + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *yyalloc (yy_size_t size ) +{ + return (void *) malloc( size ); +} + +void *yyrealloc (void * ptr, yy_size_t size ) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); +} + +void yyfree (void * ptr ) +{ + free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + +#line 222 "dtc-lexer.l" + + + + +/* + * Stack of nested include file contexts. + */ + +struct incl_file { + int filenum; + FILE *file; + YY_BUFFER_STATE yy_prev_buf; + int yy_prev_lineno; + struct incl_file *prev; +}; + +struct incl_file *incl_file_stack; + + +/* + * Detect infinite include recursion. + */ +#define MAX_INCLUDE_DEPTH (100) + +static int incl_depth = 0; + + +int push_input_file(const char *filename) +{ + FILE *f; + struct incl_file *incl_file; + + if (!filename) { + yyerror("No include file name given."); + return 0; + } + + if (incl_depth++ >= MAX_INCLUDE_DEPTH) { + yyerror("Includes nested too deeply"); + return 0; + } + + f = dtc_open_file(filename); + + incl_file = malloc(sizeof(struct incl_file)); + if (!incl_file) { + yyerror("Can not allocate include file space."); + return 0; + } + + /* + * Save current context. + */ + incl_file->yy_prev_buf = YY_CURRENT_BUFFER; + incl_file->yy_prev_lineno = yylineno; + incl_file->filenum = srcpos_filenum; + incl_file->file = yyin; + incl_file->prev = incl_file_stack; + + incl_file_stack = incl_file; + + /* + * Establish new context. + */ + srcpos_filenum = lookup_file_name(filename, 0); + yylineno = 1; + yyin = f; + yy_switch_to_buffer(yy_create_buffer(yyin,YY_BUF_SIZE)); + + return 1; +} + + +int pop_input_file(void) +{ + struct incl_file *incl_file; + + if (incl_file_stack == 0) + return 0; + + fclose(yyin); + + /* + * Pop. + */ + --incl_depth; + incl_file = incl_file_stack; + incl_file_stack = incl_file->prev; + + /* + * Recover old context. + */ + yy_delete_buffer(YY_CURRENT_BUFFER); + yy_switch_to_buffer(incl_file->yy_prev_buf); + yylineno = incl_file->yy_prev_lineno; + srcpos_filenum = incl_file->filenum; + yyin = incl_file->file; + + /* + * Free old state. + */ + free(incl_file); + + if (YY_CURRENT_BUFFER == 0) + return 0; + + return 1; +} + diff --git a/arch/powerpc/boot/dtc-src/dtc-parser.tab.c_shipped b/arch/powerpc/boot/dtc-src/dtc-parser.tab.c_shipped new file mode 100644 index 000000000000..28e6ec0296a1 --- /dev/null +++ b/arch/powerpc/boot/dtc-src/dtc-parser.tab.c_shipped @@ -0,0 +1,1983 @@ +/* A Bison parser, made by GNU Bison 2.3. */ + +/* Skeleton implementation for Bison's Yacc-like parsers in C + + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006 + Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Bison version. */ +#define YYBISON_VERSION "2.3" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Using locations. */ +#define YYLSP_NEEDED 1 + + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + DT_V1 = 258, + DT_MEMRESERVE = 259, + DT_PROPNODENAME = 260, + DT_LITERAL = 261, + DT_LEGACYLITERAL = 262, + DT_BASE = 263, + DT_BYTE = 264, + DT_STRING = 265, + DT_LABEL = 266, + DT_REF = 267 + }; +#endif +/* Tokens. */ +#define DT_V1 258 +#define DT_MEMRESERVE 259 +#define DT_PROPNODENAME 260 +#define DT_LITERAL 261 +#define DT_LEGACYLITERAL 262 +#define DT_BASE 263 +#define DT_BYTE 264 +#define DT_STRING 265 +#define DT_LABEL 266 +#define DT_REF 267 + + + + +/* Copy the first part of user declarations. */ +#line 23 "dtc-parser.y" + +#include "dtc.h" +#include "srcpos.h" + +int yylex(void); +unsigned long long eval_literal(const char *s, int base, int bits); + +extern struct boot_info *the_boot_info; + + + +/* Enabling traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 0 +#endif + +/* Enabling the token table. */ +#ifndef YYTOKEN_TABLE +# define YYTOKEN_TABLE 0 +#endif + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE +#line 34 "dtc-parser.y" +{ + char *propnodename; + char *literal; + char *labelref; + unsigned int cbase; + u8 byte; + struct data data; + + u64 addr; + cell_t cell; + struct property *prop; + struct property *proplist; + struct node *node; + struct node *nodelist; + struct reserve_info *re; +} +/* Line 187 of yacc.c. */ +#line 148 "dtc-parser.tab.c" + YYSTYPE; +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +# define YYSTYPE_IS_TRIVIAL 1 +#endif + +#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED +typedef struct YYLTYPE +{ + int first_line; + int first_column; + int last_line; + int last_column; +} YYLTYPE; +# define yyltype YYLTYPE /* obsolescent; will be withdrawn */ +# define YYLTYPE_IS_DECLARED 1 +# define YYLTYPE_IS_TRIVIAL 1 +#endif + + +/* Copy the second part of user declarations. */ + + +/* Line 216 of yacc.c. */ +#line 173 "dtc-parser.tab.c" + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#elif (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +typedef signed char yytype_int8; +#else +typedef short int yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if YYENABLE_NLS +# if ENABLE_NLS +# include <libintl.h> /* INFRINGES ON USER NAME SPACE */ +# define YY_(msgid) dgettext ("bison-runtime", msgid) +# endif +# endif +# ifndef YY_ +# define YY_(msgid) msgid +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(e) ((void) (e)) +#else +# define YYUSE(e) /* empty */ +#endif + +/* Identity function, used to suppress warnings about constant conditions. */ +#ifndef lint +# define YYID(n) (n) +#else +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static int +YYID (int i) +#else +static int +YYID (i) + int i; +#endif +{ + return i; +} +#endif + +#if ! defined yyoverflow || YYERROR_VERBOSE + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined __BUILTIN_VA_ARG_INCR +# include <alloca.h> /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include <malloc.h> /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined _STDLIB_H \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ + + +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \ + && defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + yytype_int16 yyss; + YYSTYPE yyvs; + YYLTYPE yyls; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ + + 2 * YYSTACK_GAP_MAXIMUM) + +/* Copy COUNT objects from FROM to TO. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined __GNUC__ && 1 < __GNUC__ +# define YYCOPY(To, From, Count) \ + __builtin_memcpy (To, From, (Count) * sizeof (*(From))) +# else +# define YYCOPY(To, From, Count) \ + do \ + { \ + YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (To)[yyi] = (From)[yyi]; \ + } \ + while (YYID (0)) +# endif +# endif + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack, Stack, yysize); \ + Stack = &yyptr->Stack; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (YYID (0)) + +#endif + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 9 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 60 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 24 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 20 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 43 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 67 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 267 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const yytype_uint8 yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 23, 14, 2, 15, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 13, + 19, 18, 20, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 21, 2, 22, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 16, 2, 17, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7, 8, 9, 10, 11, 12 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const yytype_uint8 yyprhs[] = +{ + 0, 0, 3, 8, 11, 12, 15, 21, 22, 25, + 27, 34, 36, 38, 41, 47, 48, 51, 57, 61, + 64, 69, 74, 77, 80, 81, 84, 87, 88, 91, + 94, 97, 98, 100, 102, 105, 106, 109, 112, 113, + 116, 119, 123, 124 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yytype_int8 yyrhs[] = +{ + 25, 0, -1, 3, 13, 26, 31, -1, 28, 31, + -1, -1, 27, 26, -1, 43, 4, 30, 30, 13, + -1, -1, 29, 28, -1, 27, -1, 43, 4, 30, + 14, 30, 13, -1, 6, -1, 7, -1, 15, 32, + -1, 16, 33, 41, 17, 13, -1, -1, 33, 34, + -1, 43, 5, 18, 35, 13, -1, 43, 5, 13, + -1, 36, 10, -1, 36, 19, 37, 20, -1, 36, + 21, 40, 22, -1, 36, 12, -1, 35, 11, -1, + -1, 35, 23, -1, 36, 11, -1, -1, 37, 39, + -1, 37, 12, -1, 37, 11, -1, -1, 8, -1, + 6, -1, 38, 7, -1, -1, 40, 9, -1, 40, + 11, -1, -1, 42, 41, -1, 42, 34, -1, 43, + 5, 32, -1, -1, 11, -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const yytype_uint16 yyrline[] = +{ + 0, 85, 85, 89, 97, 100, 107, 115, 118, 125, + 129, 136, 140, 147, 154, 162, 165, 172, 176, 183, + 187, 191, 195, 199, 207, 210, 214, 222, 225, 229, + 234, 242, 245, 249, 253, 261, 264, 268, 276, 279, + 283, 291, 299, 302 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "$end", "error", "$undefined", "DT_V1", "DT_MEMRESERVE", + "DT_PROPNODENAME", "DT_LITERAL", "DT_LEGACYLITERAL", "DT_BASE", + "DT_BYTE", "DT_STRING", "DT_LABEL", "DT_REF", "';'", "'-'", "'/'", "'{'", + "'}'", "'='", "'<'", "'>'", "'['", "']'", "','", "$accept", "sourcefile", + "memreserves", "memreserve", "v0_memreserves", "v0_memreserve", "addr", + "devicetree", "nodedef", "proplist", "propdef", "propdata", + "propdataprefix", "celllist", "cellbase", "cellval", "bytestring", + "subnodes", "subnode", "label", 0 +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to + token YYLEX-NUM. */ +static const yytype_uint16 yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, + 265, 266, 267, 59, 45, 47, 123, 125, 61, 60, + 62, 91, 93, 44 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = +{ + 0, 24, 25, 25, 26, 26, 27, 28, 28, 29, + 29, 30, 30, 31, 32, 33, 33, 34, 34, 35, + 35, 35, 35, 35, 36, 36, 36, 37, 37, 37, + 37, 38, 38, 39, 39, 40, 40, 40, 41, 41, + 41, 42, 43, 43 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = +{ + 0, 2, 4, 2, 0, 2, 5, 0, 2, 1, + 6, 1, 1, 2, 5, 0, 2, 5, 3, 2, + 4, 4, 2, 2, 0, 2, 2, 0, 2, 2, + 2, 0, 1, 1, 2, 0, 2, 2, 0, 2, + 2, 3, 0, 1 +}; + +/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state + STATE-NUM when YYTABLE doesn't specify something else to do. Zero + means the default is an error. */ +static const yytype_uint8 yydefact[] = +{ + 7, 0, 43, 0, 9, 0, 7, 0, 4, 1, + 0, 3, 8, 0, 0, 4, 0, 15, 13, 11, + 12, 0, 2, 5, 0, 38, 0, 0, 0, 16, + 0, 38, 0, 0, 6, 0, 40, 39, 0, 10, + 14, 18, 24, 41, 0, 0, 23, 17, 25, 19, + 26, 22, 27, 35, 31, 0, 33, 32, 30, 29, + 20, 0, 28, 36, 37, 21, 34 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int8 yydefgoto[] = +{ + -1, 3, 14, 4, 5, 6, 27, 11, 18, 25, + 29, 44, 45, 54, 61, 62, 55, 30, 31, 7 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -13 +static const yytype_int8 yypact[] = +{ + 23, 11, -13, 37, -13, -4, 18, 39, 18, -13, + 28, -13, -13, 34, -4, 18, 41, -13, -13, -13, + -13, 25, -13, -13, 34, -3, 34, 33, 34, -13, + 30, -3, 43, 36, -13, 38, -13, -13, 20, -13, + -13, -13, -13, -13, 2, 9, -13, -13, -13, -13, + -13, -13, -13, -13, -2, -6, -13, -13, -13, -13, + -13, 45, -13, -13, -13, -13, -13 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const yytype_int8 yypgoto[] = +{ + -13, -13, 35, 27, 47, -13, -12, 40, 17, -13, + 26, -13, -13, -13, -13, -13, -13, 29, -13, -8 +}; + +/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule which + number is the opposite. If zero, do what YYDEFACT says. + If YYTABLE_NINF, syntax error. */ +#define YYTABLE_NINF -43 +static const yytype_int8 yytable[] = +{ + 16, 21, -42, 63, 56, 64, 57, 16, 2, 58, + 59, 10, 28, 46, 33, 47, 65, 32, 60, 49, + 50, 51, -42, 32, 8, 48, 1, -42, 52, 2, + 53, 19, 20, 41, 2, 15, 17, 9, 42, 26, + 19, 20, 15, 13, 17, 24, 34, 35, 38, 39, + 23, 40, 66, 12, 22, 43, 0, 36, 0, 0, + 37 +}; + +static const yytype_int8 yycheck[] = +{ + 8, 13, 5, 9, 6, 11, 8, 15, 11, 11, + 12, 15, 24, 11, 26, 13, 22, 25, 20, 10, + 11, 12, 4, 31, 13, 23, 3, 4, 19, 11, + 21, 6, 7, 13, 11, 8, 16, 0, 18, 14, + 6, 7, 15, 4, 16, 4, 13, 17, 5, 13, + 15, 13, 7, 6, 14, 38, -1, 31, -1, -1, + 31 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = +{ + 0, 3, 11, 25, 27, 28, 29, 43, 13, 0, + 15, 31, 28, 4, 26, 27, 43, 16, 32, 6, + 7, 30, 31, 26, 4, 33, 14, 30, 30, 34, + 41, 42, 43, 30, 13, 17, 34, 41, 5, 13, + 13, 13, 18, 32, 35, 36, 11, 13, 23, 10, + 11, 12, 19, 21, 37, 40, 6, 8, 11, 12, + 20, 38, 39, 9, 11, 22, 7 +}; + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY (-2) +#define YYEOF 0 + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab + + +/* Like YYERROR except do call yyerror. This remains here temporarily + to ease the transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. */ + +#define YYFAIL goto yyerrlab + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + yytoken = YYTRANSLATE (yychar); \ + YYPOPSTACK (1); \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ +while (YYID (0)) + + +#define YYTERROR 1 +#define YYERRCODE 256 + + +/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. + If N is 0, then set CURRENT to the empty location which ends + the previous symbol: RHS[0] (always defined). */ + +#define YYRHSLOC(Rhs, K) ((Rhs)[K]) +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (YYID (N)) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (YYID (0)) +#endif + + +/* YY_LOCATION_PRINT -- Print the location on the stream. + This macro was not mandated originally: define only if we know + we won't break user code: when these are the locations we know. */ + +#ifndef YY_LOCATION_PRINT +# if YYLTYPE_IS_TRIVIAL +# define YY_LOCATION_PRINT(File, Loc) \ + fprintf (File, "%d.%d-%d.%d", \ + (Loc).first_line, (Loc).first_column, \ + (Loc).last_line, (Loc).last_column) +# else +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +# endif +#endif + + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#ifdef YYLEX_PARAM +# define YYLEX yylex (YYLEX_PARAM) +#else +# define YYLEX yylex () +#endif + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include <stdio.h> /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (YYID (0)) + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value, Location); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (YYID (0)) + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp) +#else +static void +yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + YYLTYPE const * const yylocationp; +#endif +{ + if (!yyvaluep) + return; + YYUSE (yylocationp); +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# else + YYUSE (yyoutput); +# endif + switch (yytype) + { + default: + break; + } +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp) +#else +static void +yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + YYLTYPE const * const yylocationp; +#endif +{ + if (yytype < YYNTOKENS) + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + YY_LOCATION_PRINT (yyoutput, *yylocationp); + YYFPRINTF (yyoutput, ": "); + yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp); + YYFPRINTF (yyoutput, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_stack_print (yytype_int16 *bottom, yytype_int16 *top) +#else +static void +yy_stack_print (bottom, top) + yytype_int16 *bottom; + yytype_int16 *top; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (; bottom <= top; ++bottom) + YYFPRINTF (stderr, " %d", *bottom); + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (YYID (0)) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_reduce_print (YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule) +#else +static void +yy_reduce_print (yyvsp, yylsp, yyrule) + YYSTYPE *yyvsp; + YYLTYPE *yylsp; + int yyrule; +#endif +{ + int yynrhs = yyr2[yyrule]; + int yyi; + unsigned long int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + fprintf (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], + &(yyvsp[(yyi + 1) - (yynrhs)]) + , &(yylsp[(yyi + 1) - (yynrhs)]) ); + fprintf (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyvsp, yylsp, Rule); \ +} while (YYID (0)) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !YYDEBUG */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + + +#if YYERROR_VERBOSE + +# ifndef yystrlen +# if defined __GLIBC__ && defined _STRING_H +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static YYSIZE_T +yystrlen (const char *yystr) +#else +static YYSIZE_T +yystrlen (yystr) + const char *yystr; +#endif +{ + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) + continue; + return yylen; +} +# endif +# endif + +# ifndef yystpcpy +# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static char * +yystpcpy (char *yydest, const char *yysrc) +#else +static char * +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +#endif +{ + char *yyd = yydest; + const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + YYSIZE_T yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } + + if (! yyres) + return yystrlen (yystr); + + return yystpcpy (yyres, yystr) - yyres; +} +# endif + +/* Copy into YYRESULT an error message about the unexpected token + YYCHAR while in state YYSTATE. Return the number of bytes copied, + including the terminating null byte. If YYRESULT is null, do not + copy anything; just return the number of bytes that would be + copied. As a special case, return 0 if an ordinary "syntax error" + message will do. Return YYSIZE_MAXIMUM if overflow occurs during + size calculation. */ +static YYSIZE_T +yysyntax_error (char *yyresult, int yystate, int yychar) +{ + int yyn = yypact[yystate]; + + if (! (YYPACT_NINF < yyn && yyn <= YYLAST)) + return 0; + else + { + int yytype = YYTRANSLATE (yychar); + YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]); + YYSIZE_T yysize = yysize0; + YYSIZE_T yysize1; + int yysize_overflow = 0; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + int yyx; + +# if 0 + /* This is so xgettext sees the translatable formats that are + constructed on the fly. */ + YY_("syntax error, unexpected %s"); + YY_("syntax error, unexpected %s, expecting %s"); + YY_("syntax error, unexpected %s, expecting %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"); +# endif + char *yyfmt; + char const *yyf; + static char const yyunexpected[] = "syntax error, unexpected %s"; + static char const yyexpecting[] = ", expecting %s"; + static char const yyor[] = " or %s"; + char yyformat[sizeof yyunexpected + + sizeof yyexpecting - 1 + + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) + * (sizeof yyor - 1))]; + char const *yyprefix = yyexpecting; + + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + int yyxbegin = yyn < 0 ? -yyn : 0; + + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn + 1; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yycount = 1; + + yyarg[0] = yytname[yytype]; + yyfmt = yystpcpy (yyformat, yyunexpected); + + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + yyformat[sizeof yyunexpected - 1] = '\0'; + break; + } + yyarg[yycount++] = yytname[yyx]; + yysize1 = yysize + yytnamerr (0, yytname[yyx]); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + yyfmt = yystpcpy (yyfmt, yyprefix); + yyprefix = yyor; + } + + yyf = YY_(yyformat); + yysize1 = yysize + yystrlen (yyf); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + + if (yysize_overflow) + return YYSIZE_MAXIMUM; + + if (yyresult) + { + /* Avoid sprintf, as that infringes on the user's name space. + Don't have undefined behavior even if the translation + produced a string with the wrong number of "%s"s. */ + char *yyp = yyresult; + int yyi = 0; + while ((*yyp = *yyf) != '\0') + { + if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyf += 2; + } + else + { + yyp++; + yyf++; + } + } + } + return yysize; + } +} +#endif /* YYERROR_VERBOSE */ + + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp) +#else +static void +yydestruct (yymsg, yytype, yyvaluep, yylocationp) + const char *yymsg; + int yytype; + YYSTYPE *yyvaluep; + YYLTYPE *yylocationp; +#endif +{ + YYUSE (yyvaluep); + YYUSE (yylocationp); + + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + switch (yytype) + { + + default: + break; + } +} + + +/* Prevent warnings from -Wmissing-prototypes. */ + +#ifdef YYPARSE_PARAM +#if defined __STDC__ || defined __cplusplus +int yyparse (void *YYPARSE_PARAM); +#else +int yyparse (); +#endif +#else /* ! YYPARSE_PARAM */ +#if defined __STDC__ || defined __cplusplus +int yyparse (void); +#else +int yyparse (); +#endif +#endif /* ! YYPARSE_PARAM */ + + + +/* The look-ahead symbol. */ +int yychar; + +/* The semantic value of the look-ahead symbol. */ +YYSTYPE yylval; + +/* Number of syntax errors so far. */ +int yynerrs; +/* Location data for the look-ahead symbol. */ +YYLTYPE yylloc; + + + +/*----------. +| yyparse. | +`----------*/ + +#ifdef YYPARSE_PARAM +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void *YYPARSE_PARAM) +#else +int +yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +#endif +#else /* ! YYPARSE_PARAM */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void) +#else +int +yyparse () + +#endif +#endif +{ + + int yystate; + int yyn; + int yyresult; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + /* Look-ahead token as an internal (translated) token number. */ + int yytoken = 0; +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + + /* Three stacks and their tools: + `yyss': related to states, + `yyvs': related to semantic values, + `yyls': related to locations. + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss = yyssa; + yytype_int16 *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs = yyvsa; + YYSTYPE *yyvsp; + + /* The location stack. */ + YYLTYPE yylsa[YYINITDEPTH]; + YYLTYPE *yyls = yylsa; + YYLTYPE *yylsp; + /* The locations where the error started and ended. */ + YYLTYPE yyerror_range[2]; + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N), yylsp -= (N)) + + YYSIZE_T yystacksize = YYINITDEPTH; + + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + YYLTYPE yyloc; + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + + /* Initialize stack pointers. + Waste one element of value and location stack + so that they stay on the same level as the state stack. + The wasted elements are never initialized. */ + + yyssp = yyss; + yyvsp = yyvs; + yylsp = yyls; +#if YYLTYPE_IS_TRIVIAL + /* Initialize the default location before parsing starts. */ + yylloc.first_line = yylloc.last_line = 1; + yylloc.first_column = yylloc.last_column = 0; +#endif + + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. So pushing a state here evens the stacks. */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyss + yystacksize - 1 <= yyssp) + { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + +#ifdef yyoverflow + { + /* Give user a chance to reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + YYSTYPE *yyvs1 = yyvs; + yytype_int16 *yyss1 = yyss; + YYLTYPE *yyls1 = yyls; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow (YY_("memory exhausted"), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yyls1, yysize * sizeof (*yylsp), + &yystacksize); + yyls = yyls1; + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyexhaustedlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yytype_int16 *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss); + YYSTACK_RELOCATE (yyvs); + YYSTACK_RELOCATE (yyls); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + yylsp = yyls + yysize - 1; + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + goto yybackup; + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + + /* Do appropriate processing given the current state. Read a + look-ahead token if we need one and don't already have one. */ + + /* First try to decide what to do without reference to look-ahead token. */ + yyn = yypact[yystate]; + if (yyn == YYPACT_NINF) + goto yydefault; + + /* Not known => get a look-ahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = YYLEX; + } + + if (yychar <= YYEOF) + { + yychar = yytoken = YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yyn == 0 || yyn == YYTABLE_NINF) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + if (yyn == YYFINAL) + YYACCEPT; + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the look-ahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token unless it is eof. */ + if (yychar != YYEOF) + yychar = YYEMPTY; + + yystate = yyn; + *++yyvsp = yylval; + *++yylsp = yylloc; + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- Do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + `$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + /* Default location. */ + YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 2: +#line 86 "dtc-parser.y" + { + the_boot_info = build_boot_info((yyvsp[(3) - (4)].re), (yyvsp[(4) - (4)].node)); + ;} + break; + + case 3: +#line 90 "dtc-parser.y" + { + the_boot_info = build_boot_info((yyvsp[(1) - (2)].re), (yyvsp[(2) - (2)].node)); + ;} + break; + + case 4: +#line 97 "dtc-parser.y" + { + (yyval.re) = NULL; + ;} + break; + + case 5: +#line 101 "dtc-parser.y" + { + (yyval.re) = chain_reserve_entry((yyvsp[(1) - (2)].re), (yyvsp[(2) - (2)].re)); + ;} + break; + + case 6: +#line 108 "dtc-parser.y" + { + (yyval.re) = build_reserve_entry((yyvsp[(3) - (5)].addr), (yyvsp[(4) - (5)].addr), (yyvsp[(1) - (5)].labelref)); + ;} + break; + + case 7: +#line 115 "dtc-parser.y" + { + (yyval.re) = NULL; + ;} + break; + + case 8: +#line 119 "dtc-parser.y" + { + (yyval.re) = chain_reserve_entry((yyvsp[(1) - (2)].re), (yyvsp[(2) - (2)].re)); + ;} + break; + + case 9: +#line 126 "dtc-parser.y" + { + (yyval.re) = (yyvsp[(1) - (1)].re); + ;} + break; + + case 10: +#line 130 "dtc-parser.y" + { + (yyval.re) = build_reserve_entry((yyvsp[(3) - (6)].addr), (yyvsp[(5) - (6)].addr) - (yyvsp[(3) - (6)].addr) + 1, (yyvsp[(1) - (6)].labelref)); + ;} + break; + + case 11: +#line 137 "dtc-parser.y" + { + (yyval.addr) = eval_literal((yyvsp[(1) - (1)].literal), 0, 64); + ;} + break; + + case 12: +#line 141 "dtc-parser.y" + { + (yyval.addr) = eval_literal((yyvsp[(1) - (1)].literal), 16, 64); + ;} + break; + + case 13: +#line 148 "dtc-parser.y" + { + (yyval.node) = name_node((yyvsp[(2) - (2)].node), "", NULL); + ;} + break; + + case 14: +#line 155 "dtc-parser.y" + { + (yyval.node) = build_node((yyvsp[(2) - (5)].proplist), (yyvsp[(3) - (5)].nodelist)); + ;} + break; + + case 15: +#line 162 "dtc-parser.y" + { + (yyval.proplist) = NULL; + ;} + break; + + case 16: +#line 166 "dtc-parser.y" + { + (yyval.proplist) = chain_property((yyvsp[(2) - (2)].prop), (yyvsp[(1) - (2)].proplist)); + ;} + break; + + case 17: +#line 173 "dtc-parser.y" + { + (yyval.prop) = build_property((yyvsp[(2) - (5)].propnodename), (yyvsp[(4) - (5)].data), (yyvsp[(1) - (5)].labelref)); + ;} + break; + + case 18: +#line 177 "dtc-parser.y" + { + (yyval.prop) = build_property((yyvsp[(2) - (3)].propnodename), empty_data, (yyvsp[(1) - (3)].labelref)); + ;} + break; + + case 19: +#line 184 "dtc-parser.y" + { + (yyval.data) = data_merge((yyvsp[(1) - (2)].data), (yyvsp[(2) - (2)].data)); + ;} + break; + + case 20: +#line 188 "dtc-parser.y" + { + (yyval.data) = data_merge((yyvsp[(1) - (4)].data), (yyvsp[(3) - (4)].data)); + ;} + break; + + case 21: +#line 192 "dtc-parser.y" + { + (yyval.data) = data_merge((yyvsp[(1) - (4)].data), (yyvsp[(3) - (4)].data)); + ;} + break; + + case 22: +#line 196 "dtc-parser.y" + { + (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), REF_PATH, (yyvsp[(2) - (2)].labelref)); + ;} + break; + + case 23: +#line 200 "dtc-parser.y" + { + (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), LABEL, (yyvsp[(2) - (2)].labelref)); + ;} + break; + + case 24: +#line 207 "dtc-parser.y" + { + (yyval.data) = empty_data; + ;} + break; + + case 25: +#line 211 "dtc-parser.y" + { + (yyval.data) = (yyvsp[(1) - (2)].data); + ;} + break; + + case 26: +#line 215 "dtc-parser.y" + { + (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), LABEL, (yyvsp[(2) - (2)].labelref)); + ;} + break; + + case 27: +#line 222 "dtc-parser.y" + { + (yyval.data) = empty_data; + ;} + break; + + case 28: +#line 226 "dtc-parser.y" + { + (yyval.data) = data_append_cell((yyvsp[(1) - (2)].data), (yyvsp[(2) - (2)].cell)); + ;} + break; + + case 29: +#line 230 "dtc-parser.y" + { + (yyval.data) = data_append_cell(data_add_marker((yyvsp[(1) - (2)].data), REF_PHANDLE, + (yyvsp[(2) - (2)].labelref)), -1); + ;} + break; + + case 30: +#line 235 "dtc-parser.y" + { + (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), LABEL, (yyvsp[(2) - (2)].labelref)); + ;} + break; + + case 31: +#line 242 "dtc-parser.y" + { + (yyval.cbase) = 16; + ;} + break; + + case 33: +#line 250 "dtc-parser.y" + { + (yyval.cell) = eval_literal((yyvsp[(1) - (1)].literal), 0, 32); + ;} + break; + + case 34: +#line 254 "dtc-parser.y" + { + (yyval.cell) = eval_literal((yyvsp[(2) - (2)].literal), (yyvsp[(1) - (2)].cbase), 32); + ;} + break; + + case 35: +#line 261 "dtc-parser.y" + { + (yyval.data) = empty_data; + ;} + break; + + case 36: +#line 265 "dtc-parser.y" + { + (yyval.data) = data_append_byte((yyvsp[(1) - (2)].data), (yyvsp[(2) - (2)].byte)); + ;} + break; + + case 37: +#line 269 "dtc-parser.y" + { + (yyval.data) = data_add_marker((yyvsp[(1) - (2)].data), LABEL, (yyvsp[(2) - (2)].labelref)); + ;} + break; + + case 38: +#line 276 "dtc-parser.y" + { + (yyval.nodelist) = NULL; + ;} + break; + + case 39: +#line 280 "dtc-parser.y" + { + (yyval.nodelist) = chain_node((yyvsp[(1) - (2)].node), (yyvsp[(2) - (2)].nodelist)); + ;} + break; + + case 40: +#line 284 "dtc-parser.y" + { + yyerror("syntax error: properties must precede subnodes\n"); + YYERROR; + ;} + break; + + case 41: +#line 292 "dtc-parser.y" + { + (yyval.node) = name_node((yyvsp[(3) - (3)].node), (yyvsp[(2) - (3)].propnodename), (yyvsp[(1) - (3)].labelref)); + ;} + break; + + case 42: +#line 299 "dtc-parser.y" + { + (yyval.labelref) = NULL; + ;} + break; + + case 43: +#line 303 "dtc-parser.y" + { + (yyval.labelref) = (yyvsp[(1) - (1)].labelref); + ;} + break; + + +/* Line 1267 of yacc.c. */ +#line 1734 "dtc-parser.tab.c" + default: break; + } + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + + *++yyvsp = yyval; + *++yylsp = yyloc; + + /* Now `shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTOKENS]; + + goto yynewstate; + + +/*------------------------------------. +| yyerrlab -- here on detecting error | +`------------------------------------*/ +yyerrlab: + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; +#if ! YYERROR_VERBOSE + yyerror (YY_("syntax error")); +#else + { + YYSIZE_T yysize = yysyntax_error (0, yystate, yychar); + if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM) + { + YYSIZE_T yyalloc = 2 * yysize; + if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM)) + yyalloc = YYSTACK_ALLOC_MAXIMUM; + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yyalloc); + if (yymsg) + yymsg_alloc = yyalloc; + else + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + } + } + + if (0 < yysize && yysize <= yymsg_alloc) + { + (void) yysyntax_error (yymsg, yystate, yychar); + yyerror (yymsg); + } + else + { + yyerror (YY_("syntax error")); + if (yysize != 0) + goto yyexhaustedlab; + } + } +#endif + } + + yyerror_range[0] = yylloc; + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse look-ahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval, &yylloc); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse look-ahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) + goto yyerrorlab; + + yyerror_range[0] = yylsp[1-yylen]; + /* Do not reclaim the symbols of the rule which action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + for (;;) + { + yyn = yypact[yystate]; + if (yyn != YYPACT_NINF) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + yyerror_range[0] = *yylsp; + yydestruct ("Error: popping", + yystos[yystate], yyvsp, yylsp); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + if (yyn == YYFINAL) + YYACCEPT; + + *++yyvsp = yylval; + + yyerror_range[1] = yylloc; + /* Using YYLLOC is tempting, but would change the location of + the look-ahead. YYLOC is available though. */ + YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2); + *++yylsp = yyloc; + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#ifndef yyoverflow +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (YY_("memory exhausted")); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: + if (yychar != YYEOF && yychar != YYEMPTY) + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval, &yylloc); + /* Do not reclaim the symbols of the rule which action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp, yylsp); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); +#endif + /* Make sure YYID is used. */ + return YYID (yyresult); +} + + +#line 308 "dtc-parser.y" + + +void yyerror (char const *s) +{ + const char *fname = srcpos_filename_for_num(yylloc.filenum); + + if (strcmp(fname, "-") == 0) + fname = "stdin"; + + fprintf(stderr, "%s:%d %s\n", + fname, yylloc.first_line, s); +} + +unsigned long long eval_literal(const char *s, int base, int bits) +{ + unsigned long long val; + char *e; + + errno = 0; + val = strtoull(s, &e, base); + if (*e) + yyerror("bad characters in literal"); + else if ((errno == ERANGE) + || ((bits < 64) && (val >= (1ULL << bits)))) + yyerror("literal out of range"); + else if (errno != 0) + yyerror("bad literal"); + return val; +} + diff --git a/arch/powerpc/boot/dtc-src/dtc-parser.tab.h_shipped b/arch/powerpc/boot/dtc-src/dtc-parser.tab.h_shipped new file mode 100644 index 000000000000..4707b029ed25 --- /dev/null +++ b/arch/powerpc/boot/dtc-src/dtc-parser.tab.h_shipped @@ -0,0 +1,111 @@ +/* A Bison parser, made by GNU Bison 2.3. */ + +/* Skeleton interface for Bison's Yacc-like parsers in C + + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006 + Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + DT_V1 = 258, + DT_MEMRESERVE = 259, + DT_PROPNODENAME = 260, + DT_LITERAL = 261, + DT_LEGACYLITERAL = 262, + DT_BASE = 263, + DT_BYTE = 264, + DT_STRING = 265, + DT_LABEL = 266, + DT_REF = 267 + }; +#endif +/* Tokens. */ +#define DT_V1 258 +#define DT_MEMRESERVE 259 +#define DT_PROPNODENAME 260 +#define DT_LITERAL 261 +#define DT_LEGACYLITERAL 262 +#define DT_BASE 263 +#define DT_BYTE 264 +#define DT_STRING 265 +#define DT_LABEL 266 +#define DT_REF 267 + + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE +#line 34 "dtc-parser.y" +{ + char *propnodename; + char *literal; + char *labelref; + unsigned int cbase; + u8 byte; + struct data data; + + u64 addr; + cell_t cell; + struct property *prop; + struct property *proplist; + struct node *node; + struct node *nodelist; + struct reserve_info *re; +} +/* Line 1489 of yacc.c. */ +#line 90 "dtc-parser.tab.h" + YYSTYPE; +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +# define YYSTYPE_IS_TRIVIAL 1 +#endif + +extern YYSTYPE yylval; + +#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED +typedef struct YYLTYPE +{ + int first_line; + int first_column; + int last_line; + int last_column; +} YYLTYPE; +# define yyltype YYLTYPE /* obsolescent; will be withdrawn */ +# define YYLTYPE_IS_DECLARED 1 +# define YYLTYPE_IS_TRIVIAL 1 +#endif + +extern YYLTYPE yylloc; diff --git a/arch/powerpc/boot/dtc-src/dtc-parser.y b/arch/powerpc/boot/dtc-src/dtc-parser.y new file mode 100644 index 000000000000..002ea7fef184 --- /dev/null +++ b/arch/powerpc/boot/dtc-src/dtc-parser.y @@ -0,0 +1,336 @@ +/* + * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +%locations + +%{ +#include "dtc.h" +#include "srcpos.h" + +int yylex(void); +unsigned long long eval_literal(const char *s, int base, int bits); + +extern struct boot_info *the_boot_info; + +%} + +%union { + char *propnodename; + char *literal; + char *labelref; + unsigned int cbase; + u8 byte; + struct data data; + + u64 addr; + cell_t cell; + struct property *prop; + struct property *proplist; + struct node *node; + struct node *nodelist; + struct reserve_info *re; +} + +%token DT_V1 +%token DT_MEMRESERVE +%token <propnodename> DT_PROPNODENAME +%token <literal> DT_LITERAL +%token <literal> DT_LEGACYLITERAL +%token <cbase> DT_BASE +%token <byte> DT_BYTE +%token <data> DT_STRING +%token <labelref> DT_LABEL +%token <labelref> DT_REF + +%type <data> propdata +%type <data> propdataprefix +%type <re> memreserve +%type <re> memreserves +%type <re> v0_memreserve +%type <re> v0_memreserves +%type <addr> addr +%type <data> celllist +%type <cbase> cellbase +%type <cell> cellval +%type <data> bytestring +%type <prop> propdef +%type <proplist> proplist + +%type <node> devicetree +%type <node> nodedef +%type <node> subnode +%type <nodelist> subnodes +%type <labelref> label + +%% + +sourcefile: + DT_V1 ';' memreserves devicetree + { + the_boot_info = build_boot_info($3, $4); + } + | v0_memreserves devicetree + { + the_boot_info = build_boot_info($1, $2); + } + ; + +memreserves: + /* empty */ + { + $$ = NULL; + } + | memreserve memreserves + { + $$ = chain_reserve_entry($1, $2); + } + ; + +memreserve: + label DT_MEMRESERVE addr addr ';' + { + $$ = build_reserve_entry($3, $4, $1); + } + ; + +v0_memreserves: + /* empty */ + { + $$ = NULL; + } + | v0_memreserve v0_memreserves + { + $$ = chain_reserve_entry($1, $2); + }; + ; + +v0_memreserve: + memreserve + { + $$ = $1; + } + | label DT_MEMRESERVE addr '-' addr ';' + { + $$ = build_reserve_entry($3, $5 - $3 + 1, $1); + } + ; + +addr: + DT_LITERAL + { + $$ = eval_literal($1, 0, 64); + } + | DT_LEGACYLITERAL + { + $$ = eval_literal($1, 16, 64); + } + ; + +devicetree: + '/' nodedef + { + $$ = name_node($2, "", NULL); + } + ; + +nodedef: + '{' proplist subnodes '}' ';' + { + $$ = build_node($2, $3); + } + ; + +proplist: + /* empty */ + { + $$ = NULL; + } + | proplist propdef + { + $$ = chain_property($2, $1); + } + ; + +propdef: + label DT_PROPNODENAME '=' propdata ';' + { + $$ = build_property($2, $4, $1); + } + | label DT_PROPNODENAME ';' + { + $$ = build_property($2, empty_data, $1); + } + ; + +propdata: + propdataprefix DT_STRING + { + $$ = data_merge($1, $2); + } + | propdataprefix '<' celllist '>' + { + $$ = data_merge($1, $3); + } + | propdataprefix '[' bytestring ']' + { + $$ = data_merge($1, $3); + } + | propdataprefix DT_REF + { + $$ = data_add_marker($1, REF_PATH, $2); + } + | propdata DT_LABEL + { + $$ = data_add_marker($1, LABEL, $2); + } + ; + +propdataprefix: + /* empty */ + { + $$ = empty_data; + } + | propdata ',' + { + $$ = $1; + } + | propdataprefix DT_LABEL + { + $$ = data_add_marker($1, LABEL, $2); + } + ; + +celllist: + /* empty */ + { + $$ = empty_data; + } + | celllist cellval + { + $$ = data_append_cell($1, $2); + } + | celllist DT_REF + { + $$ = data_append_cell(data_add_marker($1, REF_PHANDLE, + $2), -1); + } + | celllist DT_LABEL + { + $$ = data_add_marker($1, LABEL, $2); + } + ; + +cellbase: + /* empty */ + { + $$ = 16; + } + | DT_BASE + ; + +cellval: + DT_LITERAL + { + $$ = eval_literal($1, 0, 32); + } + | cellbase DT_LEGACYLITERAL + { + $$ = eval_literal($2, $1, 32); + } + ; + +bytestring: + /* empty */ + { + $$ = empty_data; + } + | bytestring DT_BYTE + { + $$ = data_append_byte($1, $2); + } + | bytestring DT_LABEL + { + $$ = data_add_marker($1, LABEL, $2); + } + ; + +subnodes: + /* empty */ + { + $$ = NULL; + } + | subnode subnodes + { + $$ = chain_node($1, $2); + } + | subnode propdef + { + yyerror("syntax error: properties must precede subnodes\n"); + YYERROR; + } + ; + +subnode: + label DT_PROPNODENAME nodedef + { + $$ = name_node($3, $2, $1); + } + ; + +label: + /* empty */ + { + $$ = NULL; + } + | DT_LABEL + { + $$ = $1; + } + ; + +%% + +void yyerror (char const *s) +{ + const char *fname = srcpos_filename_for_num(yylloc.filenum); + + if (strcmp(fname, "-") == 0) + fname = "stdin"; + + fprintf(stderr, "%s:%d %s\n", + fname, yylloc.first_line, s); +} + +unsigned long long eval_literal(const char *s, int base, int bits) +{ + unsigned long long val; + char *e; + + errno = 0; + val = strtoull(s, &e, base); + if (*e) + yyerror("bad characters in literal"); + else if ((errno == ERANGE) + || ((bits < 64) && (val >= (1ULL << bits)))) + yyerror("literal out of range"); + else if (errno != 0) + yyerror("bad literal"); + return val; +} diff --git a/arch/powerpc/boot/dtc-src/dtc.c b/arch/powerpc/boot/dtc-src/dtc.c new file mode 100644 index 000000000000..01131d7c2d5e --- /dev/null +++ b/arch/powerpc/boot/dtc-src/dtc.c @@ -0,0 +1,231 @@ +/* + * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +#include "dtc.h" +#include "srcpos.h" + +#include "version_gen.h" + +/* + * Command line options + */ +int quiet; /* Level of quietness */ +int reservenum; /* Number of memory reservation slots */ +int minsize; /* Minimum blob size */ +int padsize; /* Additional padding to blob */ + +char *join_path(const char *path, const char *name) +{ + int lenp = strlen(path); + int lenn = strlen(name); + int len; + int needslash = 1; + char *str; + + len = lenp + lenn + 2; + if ((lenp > 0) && (path[lenp-1] == '/')) { + needslash = 0; + len--; + } + + str = xmalloc(len); + memcpy(str, path, lenp); + if (needslash) { + str[lenp] = '/'; + lenp++; + } + memcpy(str+lenp, name, lenn+1); + return str; +} + +void fill_fullpaths(struct node *tree, const char *prefix) +{ + struct node *child; + const char *unit; + + tree->fullpath = join_path(prefix, tree->name); + + unit = strchr(tree->name, '@'); + if (unit) + tree->basenamelen = unit - tree->name; + else + tree->basenamelen = strlen(tree->name); + + for_each_child(tree, child) + fill_fullpaths(child, tree->fullpath); +} + +static void __attribute__ ((noreturn)) usage(void) +{ + fprintf(stderr, "Usage:\n"); + fprintf(stderr, "\tdtc [options] <input file>\n"); + fprintf(stderr, "\nOptions:\n"); + fprintf(stderr, "\t-h\n"); + fprintf(stderr, "\t\tThis help text\n"); + fprintf(stderr, "\t-q\n"); + fprintf(stderr, "\t\tQuiet: -q suppress warnings, -qq errors, -qqq all\n"); + fprintf(stderr, "\t-I <input format>\n"); + fprintf(stderr, "\t\tInput formats are:\n"); + fprintf(stderr, "\t\t\tdts - device tree source text\n"); + fprintf(stderr, "\t\t\tdtb - device tree blob\n"); + fprintf(stderr, "\t\t\tfs - /proc/device-tree style directory\n"); + fprintf(stderr, "\t-o <output file>\n"); + fprintf(stderr, "\t-O <output format>\n"); + fprintf(stderr, "\t\tOutput formats are:\n"); + fprintf(stderr, "\t\t\tdts - device tree source text\n"); + fprintf(stderr, "\t\t\tdtb - device tree blob\n"); + fprintf(stderr, "\t\t\tasm - assembler source\n"); + fprintf(stderr, "\t-V <output version>\n"); + fprintf(stderr, "\t\tBlob version to produce, defaults to %d (relevant for dtb\n\t\tand asm output only)\n", DEFAULT_FDT_VERSION); + fprintf(stderr, "\t-R <number>\n"); + fprintf(stderr, "\t\tMake space for <number> reserve map entries (relevant for \n\t\tdtb and asm output only)\n"); + fprintf(stderr, "\t-S <bytes>\n"); + fprintf(stderr, "\t\tMake the blob at least <bytes> long (extra space)\n"); + fprintf(stderr, "\t-p <bytes>\n"); + fprintf(stderr, "\t\tAdd padding to the blob of <bytes> long (extra space)\n"); + fprintf(stderr, "\t-b <number>\n"); + fprintf(stderr, "\t\tSet the physical boot cpu\n"); + fprintf(stderr, "\t-f\n"); + fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n"); + fprintf(stderr, "\t-v\n"); + fprintf(stderr, "\t\tPrint DTC version and exit\n"); + exit(2); +} + +int main(int argc, char *argv[]) +{ + struct boot_info *bi; + const char *inform = "dts"; + const char *outform = "dts"; + const char *outname = "-"; + int force = 0, check = 0; + const char *arg; + int opt; + FILE *inf = NULL; + FILE *outf = NULL; + int outversion = DEFAULT_FDT_VERSION; + int boot_cpuid_phys = 0xfeedbeef; + + quiet = 0; + reservenum = 0; + minsize = 0; + padsize = 0; + + while ((opt = getopt(argc, argv, "hI:O:o:V:R:S:p:fcqb:v")) != EOF) { + switch (opt) { + case 'I': + inform = optarg; + break; + case 'O': + outform = optarg; + break; + case 'o': + outname = optarg; + break; + case 'V': + outversion = strtol(optarg, NULL, 0); + break; + case 'R': + reservenum = strtol(optarg, NULL, 0); + break; + case 'S': + minsize = strtol(optarg, NULL, 0); + break; + case 'p': + padsize = strtol(optarg, NULL, 0); + break; + case 'f': + force = 1; + break; + case 'c': + check = 1; + break; + case 'q': + quiet++; + break; + case 'b': + boot_cpuid_phys = strtol(optarg, NULL, 0); + break; + case 'v': + printf("Version: %s\n", DTC_VERSION); + exit(0); + case 'h': + default: + usage(); + } + } + + if (argc > (optind+1)) + usage(); + else if (argc < (optind+1)) + arg = "-"; + else + arg = argv[optind]; + + /* minsize and padsize are mutually exclusive */ + if ((minsize) && (padsize)) { + die("Can't set both -p and -S\n"); + } + + fprintf(stderr, "DTC: %s->%s on file \"%s\"\n", + inform, outform, arg); + + if (streq(inform, "dts")) { + bi = dt_from_source(arg); + } else if (streq(inform, "fs")) { + bi = dt_from_fs(arg); + } else if(streq(inform, "dtb")) { + inf = dtc_open_file(arg); + bi = dt_from_blob(inf); + } else { + die("Unknown input format \"%s\"\n", inform); + } + + if (inf && (inf != stdin)) + fclose(inf); + + if (! bi || ! bi->dt) + die("Couldn't read input tree\n"); + + process_checks(force, bi, check, outversion, boot_cpuid_phys); + + if (streq(outname, "-")) { + outf = stdout; + } else { + outf = fopen(outname, "w"); + if (! outf) + die("Couldn't open output file %s: %s\n", + outname, strerror(errno)); + } + + if (streq(outform, "dts")) { + dt_to_source(outf, bi); + } else if (streq(outform, "dtb")) { + dt_to_blob(outf, bi, outversion, boot_cpuid_phys); + } else if (streq(outform, "asm")) { + dt_to_asm(outf, bi, outversion, boot_cpuid_phys); + } else if (streq(outform, "null")) { + /* do nothing */ + } else { + die("Unknown output format \"%s\"\n", outform); + } + + exit(0); +} diff --git a/arch/powerpc/boot/dtc-src/dtc.h b/arch/powerpc/boot/dtc-src/dtc.h new file mode 100644 index 000000000000..65281777a167 --- /dev/null +++ b/arch/powerpc/boot/dtc-src/dtc.h @@ -0,0 +1,269 @@ +#ifndef _DTC_H +#define _DTC_H + +/* + * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <stdint.h> +#include <stdarg.h> +#include <assert.h> +#include <ctype.h> +#include <errno.h> +#include <unistd.h> +#include <netinet/in.h> +#include <endian.h> +#include <byteswap.h> + +#include <fdt.h> + +#define DEFAULT_FDT_VERSION 17 +/* + * Command line options + */ +extern int quiet; /* Level of quietness */ +extern int reservenum; /* Number of memory reservation slots */ +extern int minsize; /* Minimum blob size */ +extern int padsize; /* Additional padding to blob */ + +static inline void __attribute__((noreturn)) die(char * str, ...) +{ + va_list ap; + + va_start(ap, str); + fprintf(stderr, "FATAL ERROR: "); + vfprintf(stderr, str, ap); + exit(1); +} + +static inline void *xmalloc(size_t len) +{ + void *new = malloc(len); + + if (! new) + die("malloc() failed\n"); + + return new; +} + +static inline void *xrealloc(void *p, size_t len) +{ + void *new = realloc(p, len); + + if (! new) + die("realloc() failed (len=%d)\n", len); + + return new; +} + +typedef uint8_t u8; +typedef uint16_t u16; +typedef uint32_t u32; +typedef uint64_t u64; +typedef u32 cell_t; + +#define cpu_to_be16(x) htons(x) +#define be16_to_cpu(x) ntohs(x) + +#define cpu_to_be32(x) htonl(x) +#define be32_to_cpu(x) ntohl(x) + +#if __BYTE_ORDER == __BIG_ENDIAN +#define cpu_to_be64(x) (x) +#define be64_to_cpu(x) (x) +#else +#define cpu_to_be64(x) bswap_64(x) +#define be64_to_cpu(x) bswap_64(x) +#endif + +#define streq(a, b) (strcmp((a), (b)) == 0) +#define strneq(a, b, n) (strncmp((a), (b), (n)) == 0) + +#define ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1)) +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) + +/* Data blobs */ +enum markertype { + REF_PHANDLE, + REF_PATH, + LABEL, +}; + +struct marker { + enum markertype type; + int offset; + char *ref; + struct marker *next; +}; + +struct data { + int len; + char *val; + int asize; + struct marker *markers; +}; + + +#define empty_data ((struct data){ /* all .members = 0 or NULL */ }) + +#define for_each_marker(m) \ + for (; (m); (m) = (m)->next) +#define for_each_marker_of_type(m, t) \ + for_each_marker(m) \ + if ((m)->type == (t)) + +void data_free(struct data d); + +struct data data_grow_for(struct data d, int xlen); + +struct data data_copy_mem(const char *mem, int len); +struct data data_copy_escape_string(const char *s, int len); +struct data data_copy_file(FILE *f, size_t len); + +struct data data_append_data(struct data d, const void *p, int len); +struct data data_insert_at_marker(struct data d, struct marker *m, + const void *p, int len); +struct data data_merge(struct data d1, struct data d2); +struct data data_append_cell(struct data d, cell_t word); +struct data data_append_re(struct data d, const struct fdt_reserve_entry *re); +struct data data_append_addr(struct data d, u64 addr); +struct data data_append_byte(struct data d, uint8_t byte); +struct data data_append_zeroes(struct data d, int len); +struct data data_append_align(struct data d, int align); + +struct data data_add_marker(struct data d, enum markertype type, char *ref); + +int data_is_one_string(struct data d); + +/* DT constraints */ + +#define MAX_PROPNAME_LEN 31 +#define MAX_NODENAME_LEN 31 + +/* Live trees */ +struct property { + char *name; + struct data val; + + struct property *next; + + char *label; +}; + +struct node { + char *name; + struct property *proplist; + struct node *children; + + struct node *parent; + struct node *next_sibling; + + char *fullpath; + int basenamelen; + + cell_t phandle; + int addr_cells, size_cells; + + char *label; +}; + +#define for_each_property(n, p) \ + for ((p) = (n)->proplist; (p); (p) = (p)->next) + +#define for_each_child(n, c) \ + for ((c) = (n)->children; (c); (c) = (c)->next_sibling) + +struct property *build_property(char *name, struct data val, char *label); +struct property *chain_property(struct property *first, struct property *list); +struct property *reverse_properties(struct property *first); + +struct node *build_node(struct property *proplist, struct node *children); +struct node *name_node(struct node *node, char *name, char *label); +struct node *chain_node(struct node *first, struct node *list); + +void add_property(struct node *node, struct property *prop); +void add_child(struct node *parent, struct node *child); + +const char *get_unitname(struct node *node); +struct property *get_property(struct node *node, const char *propname); +cell_t propval_cell(struct property *prop); +struct node *get_subnode(struct node *node, const char *nodename); +struct node *get_node_by_path(struct node *tree, const char *path); +struct node *get_node_by_label(struct node *tree, const char *label); +struct node *get_node_by_phandle(struct node *tree, cell_t phandle); +struct node *get_node_by_ref(struct node *tree, const char *ref); +cell_t get_node_phandle(struct node *root, struct node *node); + +/* Boot info (tree plus memreserve information */ + +struct reserve_info { + struct fdt_reserve_entry re; + + struct reserve_info *next; + + char *label; +}; + +struct reserve_info *build_reserve_entry(u64 start, u64 len, char *label); +struct reserve_info *chain_reserve_entry(struct reserve_info *first, + struct reserve_info *list); +struct reserve_info *add_reserve_entry(struct reserve_info *list, + struct reserve_info *new); + + +struct boot_info { + struct reserve_info *reservelist; + struct node *dt; /* the device tree */ +}; + +struct boot_info *build_boot_info(struct reserve_info *reservelist, + struct node *tree); + +/* Checks */ + +void process_checks(int force, struct boot_info *bi, + int checkflag, int outversion, int boot_cpuid_phys); + +/* Flattened trees */ + +void dt_to_blob(FILE *f, struct boot_info *bi, int version, + int boot_cpuid_phys); +void dt_to_asm(FILE *f, struct boot_info *bi, int version, + int boot_cpuid_phys); + +struct boot_info *dt_from_blob(FILE *f); + +/* Tree source */ + +void dt_to_source(FILE *f, struct boot_info *bi); +struct boot_info *dt_from_source(const char *f); + +/* FS trees */ + +struct boot_info *dt_from_fs(const char *dirname); + +/* misc */ + +char *join_path(const char *path, const char *name); +void fill_fullpaths(struct node *tree, const char *prefix); + +#endif /* _DTC_H */ diff --git a/arch/powerpc/boot/dtc-src/flattree.c b/arch/powerpc/boot/dtc-src/flattree.c new file mode 100644 index 000000000000..a7cfb843d334 --- /dev/null +++ b/arch/powerpc/boot/dtc-src/flattree.c @@ -0,0 +1,968 @@ +/* + * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +#include "dtc.h" + +#define FTF_FULLPATH 0x1 +#define FTF_VARALIGN 0x2 +#define FTF_NAMEPROPS 0x4 +#define FTF_BOOTCPUID 0x8 +#define FTF_STRTABSIZE 0x10 +#define FTF_STRUCTSIZE 0x20 +#define FTF_NOPS 0x40 + +static struct version_info { + int version; + int last_comp_version; + int hdr_size; + int flags; +} version_table[] = { + {1, 1, FDT_V1_SIZE, + FTF_FULLPATH|FTF_VARALIGN|FTF_NAMEPROPS}, + {2, 1, FDT_V2_SIZE, + FTF_FULLPATH|FTF_VARALIGN|FTF_NAMEPROPS|FTF_BOOTCPUID}, + {3, 1, FDT_V3_SIZE, + FTF_FULLPATH|FTF_VARALIGN|FTF_NAMEPROPS|FTF_BOOTCPUID|FTF_STRTABSIZE}, + {16, 16, FDT_V3_SIZE, + FTF_BOOTCPUID|FTF_STRTABSIZE|FTF_NOPS}, + {17, 16, FDT_V17_SIZE, + FTF_BOOTCPUID|FTF_STRTABSIZE|FTF_STRUCTSIZE|FTF_NOPS}, +}; + +struct emitter { + void (*cell)(void *, cell_t); + void (*string)(void *, char *, int); + void (*align)(void *, int); + void (*data)(void *, struct data); + void (*beginnode)(void *, const char *); + void (*endnode)(void *, const char *); + void (*property)(void *, const char *); +}; + +static void bin_emit_cell(void *e, cell_t val) +{ + struct data *dtbuf = e; + + *dtbuf = data_append_cell(*dtbuf, val); +} + +static void bin_emit_string(void *e, char *str, int len) +{ + struct data *dtbuf = e; + + if (len == 0) + len = strlen(str); + + *dtbuf = data_append_data(*dtbuf, str, len); + *dtbuf = data_append_byte(*dtbuf, '\0'); +} + +static void bin_emit_align(void *e, int a) +{ + struct data *dtbuf = e; + + *dtbuf = data_append_align(*dtbuf, a); +} + +static void bin_emit_data(void *e, struct data d) +{ + struct data *dtbuf = e; + + *dtbuf = data_append_data(*dtbuf, d.val, d.len); +} + +static void bin_emit_beginnode(void *e, const char *label) +{ + bin_emit_cell(e, FDT_BEGIN_NODE); +} + +static void bin_emit_endnode(void *e, const char *label) +{ + bin_emit_cell(e, FDT_END_NODE); +} + +static void bin_emit_property(void *e, const char *label) +{ + bin_emit_cell(e, FDT_PROP); +} + +static struct emitter bin_emitter = { + .cell = bin_emit_cell, + .string = bin_emit_string, + .align = bin_emit_align, + .data = bin_emit_data, + .beginnode = bin_emit_beginnode, + .endnode = bin_emit_endnode, + .property = bin_emit_property, +}; + +static void emit_label(FILE *f, const char *prefix, const char *label) +{ + fprintf(f, "\t.globl\t%s_%s\n", prefix, label); + fprintf(f, "%s_%s:\n", prefix, label); + fprintf(f, "_%s_%s:\n", prefix, label); +} + +static void emit_offset_label(FILE *f, const char *label, int offset) +{ + fprintf(f, "\t.globl\t%s\n", label); + fprintf(f, "%s\t= . + %d\n", label, offset); +} + +static void asm_emit_cell(void *e, cell_t val) +{ + FILE *f = e; + + fprintf(f, "\t.long\t0x%x\n", val); +} + +static void asm_emit_string(void *e, char *str, int len) +{ + FILE *f = e; + char c = 0; + + if (len != 0) { + /* XXX: ewww */ + c = str[len]; + str[len] = '\0'; + } + + fprintf(f, "\t.string\t\"%s\"\n", str); + + if (len != 0) { + str[len] = c; + } +} + +static void asm_emit_align(void *e, int a) +{ + FILE *f = e; + + fprintf(f, "\t.balign\t%d\n", a); +} + +static void asm_emit_data(void *e, struct data d) +{ + FILE *f = e; + int off = 0; + struct marker *m; + + m = d.markers; + while (m) { + if (m->type == LABEL) + emit_offset_label(f, m->ref, m->offset); + m = m->next; + } + + while ((d.len - off) >= sizeof(u32)) { + fprintf(f, "\t.long\t0x%x\n", + be32_to_cpu(*((u32 *)(d.val+off)))); + off += sizeof(u32); + } + + if ((d.len - off) >= sizeof(u16)) { + fprintf(f, "\t.short\t0x%hx\n", + be16_to_cpu(*((u16 *)(d.val+off)))); + off += sizeof(u16); + } + + if ((d.len - off) >= 1) { + fprintf(f, "\t.byte\t0x%hhx\n", d.val[off]); + off += 1; + } + + assert(off == d.len); +} + +static void asm_emit_beginnode(void *e, const char *label) +{ + FILE *f = e; + + if (label) { + fprintf(f, "\t.globl\t%s\n", label); + fprintf(f, "%s:\n", label); + } + fprintf(f, "\t.long\tFDT_BEGIN_NODE\n"); +} + +static void asm_emit_endnode(void *e, const char *label) +{ + FILE *f = e; + + fprintf(f, "\t.long\tFDT_END_NODE\n"); + if (label) { + fprintf(f, "\t.globl\t%s_end\n", label); + fprintf(f, "%s_end:\n", label); + } +} + +static void asm_emit_property(void *e, const char *label) +{ + FILE *f = e; + + if (label) { + fprintf(f, "\t.globl\t%s\n", label); + fprintf(f, "%s:\n", label); + } + fprintf(f, "\t.long\tFDT_PROP\n"); +} + +static struct emitter asm_emitter = { + .cell = asm_emit_cell, + .string = asm_emit_string, + .align = asm_emit_align, + .data = asm_emit_data, + .beginnode = asm_emit_beginnode, + .endnode = asm_emit_endnode, + .property = asm_emit_property, +}; + +static int stringtable_insert(struct data *d, const char *str) +{ + int i; + + /* FIXME: do this more efficiently? */ + + for (i = 0; i < d->len; i++) { + if (streq(str, d->val + i)) + return i; + } + + *d = data_append_data(*d, str, strlen(str)+1); + return i; +} + +static void flatten_tree(struct node *tree, struct emitter *emit, + void *etarget, struct data *strbuf, + struct version_info *vi) +{ + struct property *prop; + struct node *child; + int seen_name_prop = 0; + + emit->beginnode(etarget, tree->label); + + if (vi->flags & FTF_FULLPATH) + emit->string(etarget, tree->fullpath, 0); + else + emit->string(etarget, tree->name, 0); + + emit->align(etarget, sizeof(cell_t)); + + for_each_property(tree, prop) { + int nameoff; + + if (streq(prop->name, "name")) + seen_name_prop = 1; + + nameoff = stringtable_insert(strbuf, prop->name); + + emit->property(etarget, prop->label); + emit->cell(etarget, prop->val.len); + emit->cell(etarget, nameoff); + + if ((vi->flags & FTF_VARALIGN) && (prop->val.len >= 8)) + emit->align(etarget, 8); + + emit->data(etarget, prop->val); + emit->align(etarget, sizeof(cell_t)); + } + + if ((vi->flags & FTF_NAMEPROPS) && !seen_name_prop) { + emit->property(etarget, NULL); + emit->cell(etarget, tree->basenamelen+1); + emit->cell(etarget, stringtable_insert(strbuf, "name")); + + if ((vi->flags & FTF_VARALIGN) && ((tree->basenamelen+1) >= 8)) + emit->align(etarget, 8); + + emit->string(etarget, tree->name, tree->basenamelen); + emit->align(etarget, sizeof(cell_t)); + } + + for_each_child(tree, child) { + flatten_tree(child, emit, etarget, strbuf, vi); + } + + emit->endnode(etarget, tree->label); +} + +static struct data flatten_reserve_list(struct reserve_info *reservelist, + struct version_info *vi) +{ + struct reserve_info *re; + struct data d = empty_data; + static struct fdt_reserve_entry null_re = {0,0}; + int j; + + for (re = reservelist; re; re = re->next) { + d = data_append_re(d, &re->re); + } + /* + * Add additional reserved slots if the user asked for them. + */ + for (j = 0; j < reservenum; j++) { + d = data_append_re(d, &null_re); + } + + return d; +} + +static void make_fdt_header(struct fdt_header *fdt, + struct version_info *vi, + int reservesize, int dtsize, int strsize, + int boot_cpuid_phys) +{ + int reserve_off; + + reservesize += sizeof(struct fdt_reserve_entry); + + memset(fdt, 0xff, sizeof(*fdt)); + + fdt->magic = cpu_to_be32(FDT_MAGIC); + fdt->version = cpu_to_be32(vi->version); + fdt->last_comp_version = cpu_to_be32(vi->last_comp_version); + + /* Reserve map should be doubleword aligned */ + reserve_off = ALIGN(vi->hdr_size, 8); + + fdt->off_mem_rsvmap = cpu_to_be32(reserve_off); + fdt->off_dt_struct = cpu_to_be32(reserve_off + reservesize); + fdt->off_dt_strings = cpu_to_be32(reserve_off + reservesize + + dtsize); + fdt->totalsize = cpu_to_be32(reserve_off + reservesize + dtsize + strsize); + + if (vi->flags & FTF_BOOTCPUID) + fdt->boot_cpuid_phys = cpu_to_be32(boot_cpuid_phys); + if (vi->flags & FTF_STRTABSIZE) + fdt->size_dt_strings = cpu_to_be32(strsize); + if (vi->flags & FTF_STRUCTSIZE) + fdt->size_dt_struct = cpu_to_be32(dtsize); +} + +void dt_to_blob(FILE *f, struct boot_info *bi, int version, + int boot_cpuid_phys) +{ + struct version_info *vi = NULL; + int i; + struct data blob = empty_data; + struct data reservebuf = empty_data; + struct data dtbuf = empty_data; + struct data strbuf = empty_data; + struct fdt_header fdt; + int padlen = 0; + + for (i = 0; i < ARRAY_SIZE(version_table); i++) { + if (version_table[i].version == version) + vi = &version_table[i]; + } + if (!vi) + die("Unknown device tree blob version %d\n", version); + + flatten_tree(bi->dt, &bin_emitter, &dtbuf, &strbuf, vi); + bin_emit_cell(&dtbuf, FDT_END); + + reservebuf = flatten_reserve_list(bi->reservelist, vi); + + /* Make header */ + make_fdt_header(&fdt, vi, reservebuf.len, dtbuf.len, strbuf.len, + boot_cpuid_phys); + + /* + * If the user asked for more space than is used, adjust the totalsize. + */ + if (minsize > 0) { + padlen = minsize - be32_to_cpu(fdt.totalsize); + if ((padlen < 0) && (quiet < 1)) + fprintf(stderr, + "Warning: blob size %d >= minimum size %d\n", + be32_to_cpu(fdt.totalsize), minsize); + } + + if (padsize > 0) + padlen = padsize; + + if (padlen > 0) { + int tsize = be32_to_cpu(fdt.totalsize); + tsize += padlen; + fdt.totalsize = cpu_to_be32(tsize); + } + + /* + * Assemble the blob: start with the header, add with alignment + * the reserve buffer, add the reserve map terminating zeroes, + * the device tree itself, and finally the strings. + */ + blob = data_append_data(blob, &fdt, sizeof(fdt)); + blob = data_append_align(blob, 8); + blob = data_merge(blob, reservebuf); + blob = data_append_zeroes(blob, sizeof(struct fdt_reserve_entry)); + blob = data_merge(blob, dtbuf); + blob = data_merge(blob, strbuf); + + /* + * If the user asked for more space than is used, pad out the blob. + */ + if (padlen > 0) + blob = data_append_zeroes(blob, padlen); + + fwrite(blob.val, blob.len, 1, f); + + if (ferror(f)) + die("Error writing device tree blob: %s\n", strerror(errno)); + + /* + * data_merge() frees the right-hand element so only the blob + * remains to be freed. + */ + data_free(blob); +} + +static void dump_stringtable_asm(FILE *f, struct data strbuf) +{ + const char *p; + int len; + + p = strbuf.val; + + while (p < (strbuf.val + strbuf.len)) { + len = strlen(p); + fprintf(f, "\t.string \"%s\"\n", p); + p += len+1; + } +} + +void dt_to_asm(FILE *f, struct boot_info *bi, int version, int boot_cpuid_phys) +{ + struct version_info *vi = NULL; + int i; + struct data strbuf = empty_data; + struct reserve_info *re; + const char *symprefix = "dt"; + + for (i = 0; i < ARRAY_SIZE(version_table); i++) { + if (version_table[i].version == version) + vi = &version_table[i]; + } + if (!vi) + die("Unknown device tree blob version %d\n", version); + + fprintf(f, "/* autogenerated by dtc, do not edit */\n\n"); + fprintf(f, "#define FDT_MAGIC 0x%x\n", FDT_MAGIC); + fprintf(f, "#define FDT_BEGIN_NODE 0x%x\n", FDT_BEGIN_NODE); + fprintf(f, "#define FDT_END_NODE 0x%x\n", FDT_END_NODE); + fprintf(f, "#define FDT_PROP 0x%x\n", FDT_PROP); + fprintf(f, "#define FDT_END 0x%x\n", FDT_END); + fprintf(f, "\n"); + + emit_label(f, symprefix, "blob_start"); + emit_label(f, symprefix, "header"); + fprintf(f, "\t.long\tFDT_MAGIC\t\t\t\t/* magic */\n"); + fprintf(f, "\t.long\t_%s_blob_abs_end - _%s_blob_start\t/* totalsize */\n", + symprefix, symprefix); + fprintf(f, "\t.long\t_%s_struct_start - _%s_blob_start\t/* off_dt_struct */\n", + symprefix, symprefix); + fprintf(f, "\t.long\t_%s_strings_start - _%s_blob_start\t/* off_dt_strings */\n", + symprefix, symprefix); + fprintf(f, "\t.long\t_%s_reserve_map - _%s_blob_start\t/* off_dt_strings */\n", + symprefix, symprefix); + fprintf(f, "\t.long\t%d\t\t\t\t\t/* version */\n", vi->version); + fprintf(f, "\t.long\t%d\t\t\t\t\t/* last_comp_version */\n", + vi->last_comp_version); + + if (vi->flags & FTF_BOOTCPUID) + fprintf(f, "\t.long\t%i\t\t\t\t\t/* boot_cpuid_phys */\n", + boot_cpuid_phys); + + if (vi->flags & FTF_STRTABSIZE) + fprintf(f, "\t.long\t_%s_strings_end - _%s_strings_start\t/* size_dt_strings */\n", + symprefix, symprefix); + + if (vi->flags & FTF_STRUCTSIZE) + fprintf(f, "\t.long\t_%s_struct_end - _%s_struct_start\t/* size_dt_struct */\n", + symprefix, symprefix); + + /* + * Reserve map entries. + * Align the reserve map to a doubleword boundary. + * Each entry is an (address, size) pair of u64 values. + * Always supply a zero-sized temination entry. + */ + asm_emit_align(f, 8); + emit_label(f, symprefix, "reserve_map"); + + fprintf(f, "/* Memory reserve map from source file */\n"); + + /* + * Use .long on high and low halfs of u64s to avoid .quad + * as it appears .quad isn't available in some assemblers. + */ + for (re = bi->reservelist; re; re = re->next) { + if (re->label) { + fprintf(f, "\t.globl\t%s\n", re->label); + fprintf(f, "%s:\n", re->label); + } + fprintf(f, "\t.long\t0x%08x, 0x%08x\n", + (unsigned int)(re->re.address >> 32), + (unsigned int)(re->re.address & 0xffffffff)); + fprintf(f, "\t.long\t0x%08x, 0x%08x\n", + (unsigned int)(re->re.size >> 32), + (unsigned int)(re->re.size & 0xffffffff)); + } + for (i = 0; i < reservenum; i++) { + fprintf(f, "\t.long\t0, 0\n\t.long\t0, 0\n"); + } + + fprintf(f, "\t.long\t0, 0\n\t.long\t0, 0\n"); + + emit_label(f, symprefix, "struct_start"); + flatten_tree(bi->dt, &asm_emitter, f, &strbuf, vi); + fprintf(f, "\t.long\tFDT_END\n"); + emit_label(f, symprefix, "struct_end"); + + emit_label(f, symprefix, "strings_start"); + dump_stringtable_asm(f, strbuf); + emit_label(f, symprefix, "strings_end"); + + emit_label(f, symprefix, "blob_end"); + + /* + * If the user asked for more space than is used, pad it out. + */ + if (minsize > 0) { + fprintf(f, "\t.space\t%d - (_%s_blob_end - _%s_blob_start), 0\n", + minsize, symprefix, symprefix); + } + if (padsize > 0) { + fprintf(f, "\t.space\t%d, 0\n", padsize); + } + emit_label(f, symprefix, "blob_abs_end"); + + data_free(strbuf); +} + +struct inbuf { + char *base, *limit, *ptr; +}; + +static void inbuf_init(struct inbuf *inb, void *base, void *limit) +{ + inb->base = base; + inb->limit = limit; + inb->ptr = inb->base; +} + +static void flat_read_chunk(struct inbuf *inb, void *p, int len) +{ + if ((inb->ptr + len) > inb->limit) + die("Premature end of data parsing flat device tree\n"); + + memcpy(p, inb->ptr, len); + + inb->ptr += len; +} + +static u32 flat_read_word(struct inbuf *inb) +{ + u32 val; + + assert(((inb->ptr - inb->base) % sizeof(val)) == 0); + + flat_read_chunk(inb, &val, sizeof(val)); + + return be32_to_cpu(val); +} + +static void flat_realign(struct inbuf *inb, int align) +{ + int off = inb->ptr - inb->base; + + inb->ptr = inb->base + ALIGN(off, align); + if (inb->ptr > inb->limit) + die("Premature end of data parsing flat device tree\n"); +} + +static char *flat_read_string(struct inbuf *inb) +{ + int len = 0; + const char *p = inb->ptr; + char *str; + + do { + if (p >= inb->limit) + die("Premature end of data parsing flat device tree\n"); + len++; + } while ((*p++) != '\0'); + + str = strdup(inb->ptr); + + inb->ptr += len; + + flat_realign(inb, sizeof(u32)); + + return str; +} + +static struct data flat_read_data(struct inbuf *inb, int len) +{ + struct data d = empty_data; + + if (len == 0) + return empty_data; + + d = data_grow_for(d, len); + d.len = len; + + flat_read_chunk(inb, d.val, len); + + flat_realign(inb, sizeof(u32)); + + return d; +} + +static char *flat_read_stringtable(struct inbuf *inb, int offset) +{ + const char *p; + + p = inb->base + offset; + while (1) { + if (p >= inb->limit || p < inb->base) + die("String offset %d overruns string table\n", + offset); + + if (*p == '\0') + break; + + p++; + } + + return strdup(inb->base + offset); +} + +static struct property *flat_read_property(struct inbuf *dtbuf, + struct inbuf *strbuf, int flags) +{ + u32 proplen, stroff; + char *name; + struct data val; + + proplen = flat_read_word(dtbuf); + stroff = flat_read_word(dtbuf); + + name = flat_read_stringtable(strbuf, stroff); + + if ((flags & FTF_VARALIGN) && (proplen >= 8)) + flat_realign(dtbuf, 8); + + val = flat_read_data(dtbuf, proplen); + + return build_property(name, val, NULL); +} + + +static struct reserve_info *flat_read_mem_reserve(struct inbuf *inb) +{ + struct reserve_info *reservelist = NULL; + struct reserve_info *new; + const char *p; + struct fdt_reserve_entry re; + + /* + * Each entry is a pair of u64 (addr, size) values for 4 cell_t's. + * List terminates at an entry with size equal to zero. + * + * First pass, count entries. + */ + p = inb->ptr; + while (1) { + flat_read_chunk(inb, &re, sizeof(re)); + re.address = be64_to_cpu(re.address); + re.size = be64_to_cpu(re.size); + if (re.size == 0) + break; + + new = build_reserve_entry(re.address, re.size, NULL); + reservelist = add_reserve_entry(reservelist, new); + } + + return reservelist; +} + + +static char *nodename_from_path(const char *ppath, const char *cpath) +{ + const char *lslash; + int plen; + + lslash = strrchr(cpath, '/'); + if (! lslash) + return NULL; + + plen = lslash - cpath; + + if (streq(cpath, "/") && streq(ppath, "")) + return ""; + + if ((plen == 0) && streq(ppath, "/")) + return strdup(lslash+1); + + if (! strneq(ppath, cpath, plen)) + return NULL; + + return strdup(lslash+1); +} + +static const char PROPCHAR[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789,._+*#?-"; +static const char UNITCHAR[] = "0123456789abcdef,"; + +static int check_node_name(const char *name) +{ + const char *atpos; + int basenamelen; + + atpos = strrchr(name, '@'); + + if (atpos) + basenamelen = atpos - name; + else + basenamelen = strlen(name); + + if (strspn(name, PROPCHAR) < basenamelen) + return -1; + + if (atpos + && ((basenamelen + 1 + strspn(atpos+1, UNITCHAR)) < strlen(name))) + return -1; + + return basenamelen; +} + +static struct node *unflatten_tree(struct inbuf *dtbuf, + struct inbuf *strbuf, + const char *parent_path, int flags) +{ + struct node *node; + u32 val; + + node = build_node(NULL, NULL); + + if (flags & FTF_FULLPATH) { + node->fullpath = flat_read_string(dtbuf); + node->name = nodename_from_path(parent_path, node->fullpath); + + if (! node->name) + die("Path \"%s\" is not valid as a child of \"%s\"\n", + node->fullpath, parent_path); + } else { + node->name = flat_read_string(dtbuf); + node->fullpath = join_path(parent_path, node->name); + } + + node->basenamelen = check_node_name(node->name); + if (node->basenamelen < 0) { + fprintf(stderr, "Warning \"%s\" has incorrect format\n", node->name); + } + + do { + struct property *prop; + struct node *child; + + val = flat_read_word(dtbuf); + switch (val) { + case FDT_PROP: + if (node->children) + fprintf(stderr, "Warning: Flat tree input has " + "subnodes preceding a property.\n"); + prop = flat_read_property(dtbuf, strbuf, flags); + add_property(node, prop); + break; + + case FDT_BEGIN_NODE: + child = unflatten_tree(dtbuf,strbuf, node->fullpath, + flags); + add_child(node, child); + break; + + case FDT_END_NODE: + break; + + case FDT_END: + die("Premature FDT_END in device tree blob\n"); + break; + + case FDT_NOP: + if (!(flags & FTF_NOPS)) + fprintf(stderr, "Warning: NOP tag found in flat tree" + " version <16\n"); + + /* Ignore */ + break; + + default: + die("Invalid opcode word %08x in device tree blob\n", + val); + } + } while (val != FDT_END_NODE); + + return node; +} + + +struct boot_info *dt_from_blob(FILE *f) +{ + u32 magic, totalsize, version, size_str, size_dt; + u32 off_dt, off_str, off_mem_rsvmap; + int rc; + char *blob; + struct fdt_header *fdt; + char *p; + struct inbuf dtbuf, strbuf; + struct inbuf memresvbuf; + int sizeleft; + struct reserve_info *reservelist; + struct node *tree; + u32 val; + int flags = 0; + + rc = fread(&magic, sizeof(magic), 1, f); + if (ferror(f)) + die("Error reading DT blob magic number: %s\n", + strerror(errno)); + if (rc < 1) { + if (feof(f)) + die("EOF reading DT blob magic number\n"); + else + die("Mysterious short read reading magic number\n"); + } + + magic = be32_to_cpu(magic); + if (magic != FDT_MAGIC) + die("Blob has incorrect magic number\n"); + + rc = fread(&totalsize, sizeof(totalsize), 1, f); + if (ferror(f)) + die("Error reading DT blob size: %s\n", strerror(errno)); + if (rc < 1) { + if (feof(f)) + die("EOF reading DT blob size\n"); + else + die("Mysterious short read reading blob size\n"); + } + + totalsize = be32_to_cpu(totalsize); + if (totalsize < FDT_V1_SIZE) + die("DT blob size (%d) is too small\n", totalsize); + + blob = xmalloc(totalsize); + + fdt = (struct fdt_header *)blob; + fdt->magic = cpu_to_be32(magic); + fdt->totalsize = cpu_to_be32(totalsize); + + sizeleft = totalsize - sizeof(magic) - sizeof(totalsize); + p = blob + sizeof(magic) + sizeof(totalsize); + + while (sizeleft) { + if (feof(f)) + die("EOF before reading %d bytes of DT blob\n", + totalsize); + + rc = fread(p, 1, sizeleft, f); + if (ferror(f)) + die("Error reading DT blob: %s\n", + strerror(errno)); + + sizeleft -= rc; + p += rc; + } + + off_dt = be32_to_cpu(fdt->off_dt_struct); + off_str = be32_to_cpu(fdt->off_dt_strings); + off_mem_rsvmap = be32_to_cpu(fdt->off_mem_rsvmap); + version = be32_to_cpu(fdt->version); + + fprintf(stderr, "\tmagic:\t\t\t0x%x\n", magic); + fprintf(stderr, "\ttotalsize:\t\t%d\n", totalsize); + fprintf(stderr, "\toff_dt_struct:\t\t0x%x\n", off_dt); + fprintf(stderr, "\toff_dt_strings:\t\t0x%x\n", off_str); + fprintf(stderr, "\toff_mem_rsvmap:\t\t0x%x\n", off_mem_rsvmap); + fprintf(stderr, "\tversion:\t\t0x%x\n", version ); + fprintf(stderr, "\tlast_comp_version:\t0x%x\n", + be32_to_cpu(fdt->last_comp_version)); + + if (off_mem_rsvmap >= totalsize) + die("Mem Reserve structure offset exceeds total size\n"); + + if (off_dt >= totalsize) + die("DT structure offset exceeds total size\n"); + + if (off_str > totalsize) + die("String table offset exceeds total size\n"); + + if (version >= 2) + fprintf(stderr, "\tboot_cpuid_phys:\t0x%x\n", + be32_to_cpu(fdt->boot_cpuid_phys)); + + size_str = -1; + if (version >= 3) { + size_str = be32_to_cpu(fdt->size_dt_strings); + fprintf(stderr, "\tsize_dt_strings:\t%d\n", size_str); + if (off_str+size_str > totalsize) + die("String table extends past total size\n"); + } + + if (version >= 17) { + size_dt = be32_to_cpu(fdt->size_dt_struct); + fprintf(stderr, "\tsize_dt_struct:\t\t%d\n", size_dt); + if (off_dt+size_dt > totalsize) + die("Structure block extends past total size\n"); + } + + if (version < 16) { + flags |= FTF_FULLPATH | FTF_NAMEPROPS | FTF_VARALIGN; + } else { + flags |= FTF_NOPS; + } + + inbuf_init(&memresvbuf, + blob + off_mem_rsvmap, blob + totalsize); + inbuf_init(&dtbuf, blob + off_dt, blob + totalsize); + if (size_str >= 0) + inbuf_init(&strbuf, blob + off_str, blob + off_str + size_str); + else + inbuf_init(&strbuf, blob + off_str, blob + totalsize); + + reservelist = flat_read_mem_reserve(&memresvbuf); + + val = flat_read_word(&dtbuf); + + if (val != FDT_BEGIN_NODE) + die("Device tree blob doesn't begin with FDT_BEGIN_NODE (begins with 0x%08x)\n", val); + + tree = unflatten_tree(&dtbuf, &strbuf, "", flags); + + val = flat_read_word(&dtbuf); + if (val != FDT_END) + die("Device tree blob doesn't end with FDT_END\n"); + + free(blob); + + return build_boot_info(reservelist, tree); +} diff --git a/arch/powerpc/boot/dtc-src/fstree.c b/arch/powerpc/boot/dtc-src/fstree.c new file mode 100644 index 000000000000..2a160a46998e --- /dev/null +++ b/arch/powerpc/boot/dtc-src/fstree.c @@ -0,0 +1,94 @@ +/* + * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +#include "dtc.h" + +#include <dirent.h> +#include <sys/stat.h> + +static struct node *read_fstree(const char *dirname) +{ + DIR *d; + struct dirent *de; + struct stat st; + struct node *tree; + + d = opendir(dirname); + if (! d) + die("opendir(): %s\n", strerror(errno)); + + tree = build_node(NULL, NULL); + + while ((de = readdir(d)) != NULL) { + char *tmpnam; + + if (streq(de->d_name, ".") + || streq(de->d_name, "..")) + continue; + + tmpnam = join_path(dirname, de->d_name); + + if (lstat(tmpnam, &st) < 0) + die("stat(%s): %s\n", tmpnam, strerror(errno)); + + if (S_ISREG(st.st_mode)) { + struct property *prop; + FILE *pfile; + + pfile = fopen(tmpnam, "r"); + if (! pfile) { + fprintf(stderr, + "WARNING: Cannot open %s: %s\n", + tmpnam, strerror(errno)); + } else { + prop = build_property(strdup(de->d_name), + data_copy_file(pfile, + st.st_size), + NULL); + add_property(tree, prop); + fclose(pfile); + } + } else if (S_ISDIR(st.st_mode)) { + struct node *newchild; + + newchild = read_fstree(tmpnam); + newchild = name_node(newchild, strdup(de->d_name), + NULL); + add_child(tree, newchild); + } + + free(tmpnam); + } + + return tree; +} + +struct boot_info *dt_from_fs(const char *dirname) +{ + struct node *tree; + + tree = read_fstree(dirname); + tree = name_node(tree, "", NULL); + + fill_fullpaths(tree, ""); + + return build_boot_info(NULL, tree); +} + diff --git a/arch/powerpc/boot/dtc-src/livetree.c b/arch/powerpc/boot/dtc-src/livetree.c new file mode 100644 index 000000000000..6ba0846b4310 --- /dev/null +++ b/arch/powerpc/boot/dtc-src/livetree.c @@ -0,0 +1,305 @@ +/* + * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +#include "dtc.h" + +/* + * Tree building functions + */ + +struct property *build_property(char *name, struct data val, char *label) +{ + struct property *new = xmalloc(sizeof(*new)); + + new->name = name; + new->val = val; + + new->next = NULL; + + new->label = label; + + return new; +} + +struct property *chain_property(struct property *first, struct property *list) +{ + assert(first->next == NULL); + + first->next = list; + return first; +} + +struct property *reverse_properties(struct property *first) +{ + struct property *p = first; + struct property *head = NULL; + struct property *next; + + while (p) { + next = p->next; + p->next = head; + head = p; + p = next; + } + return head; +} + +struct node *build_node(struct property *proplist, struct node *children) +{ + struct node *new = xmalloc(sizeof(*new)); + struct node *child; + + memset(new, 0, sizeof(*new)); + + new->proplist = reverse_properties(proplist); + new->children = children; + + for_each_child(new, child) { + child->parent = new; + } + + return new; +} + +struct node *name_node(struct node *node, char *name, char * label) +{ + assert(node->name == NULL); + + node->name = name; + + node->label = label; + + return node; +} + +struct node *chain_node(struct node *first, struct node *list) +{ + assert(first->next_sibling == NULL); + + first->next_sibling = list; + return first; +} + +void add_property(struct node *node, struct property *prop) +{ + struct property **p; + + prop->next = NULL; + + p = &node->proplist; + while (*p) + p = &((*p)->next); + + *p = prop; +} + +void add_child(struct node *parent, struct node *child) +{ + struct node **p; + + child->next_sibling = NULL; + + p = &parent->children; + while (*p) + p = &((*p)->next_sibling); + + *p = child; +} + +struct reserve_info *build_reserve_entry(u64 address, u64 size, char *label) +{ + struct reserve_info *new = xmalloc(sizeof(*new)); + + new->re.address = address; + new->re.size = size; + + new->next = NULL; + + new->label = label; + + return new; +} + +struct reserve_info *chain_reserve_entry(struct reserve_info *first, + struct reserve_info *list) +{ + assert(first->next == NULL); + + first->next = list; + return first; +} + +struct reserve_info *add_reserve_entry(struct reserve_info *list, + struct reserve_info *new) +{ + struct reserve_info *last; + + new->next = NULL; + + if (! list) + return new; + + for (last = list; last->next; last = last->next) + ; + + last->next = new; + + return list; +} + +struct boot_info *build_boot_info(struct reserve_info *reservelist, + struct node *tree) +{ + struct boot_info *bi; + + bi = xmalloc(sizeof(*bi)); + bi->reservelist = reservelist; + bi->dt = tree; + + return bi; +} + +/* + * Tree accessor functions + */ + +const char *get_unitname(struct node *node) +{ + if (node->name[node->basenamelen] == '\0') + return ""; + else + return node->name + node->basenamelen + 1; +} + +struct property *get_property(struct node *node, const char *propname) +{ + struct property *prop; + + for_each_property(node, prop) + if (streq(prop->name, propname)) + return prop; + + return NULL; +} + +cell_t propval_cell(struct property *prop) +{ + assert(prop->val.len == sizeof(cell_t)); + return be32_to_cpu(*((cell_t *)prop->val.val)); +} + +struct node *get_subnode(struct node *node, const char *nodename) +{ + struct node *child; + + for_each_child(node, child) + if (streq(child->name, nodename)) + return child; + + return NULL; +} + +struct node *get_node_by_path(struct node *tree, const char *path) +{ + const char *p; + struct node *child; + + if (!path || ! (*path)) + return tree; + + while (path[0] == '/') + path++; + + p = strchr(path, '/'); + + for_each_child(tree, child) { + if (p && strneq(path, child->name, p-path)) + return get_node_by_path(child, p+1); + else if (!p && streq(path, child->name)) + return child; + } + + return NULL; +} + +struct node *get_node_by_label(struct node *tree, const char *label) +{ + struct node *child, *node; + + assert(label && (strlen(label) > 0)); + + if (tree->label && streq(tree->label, label)) + return tree; + + for_each_child(tree, child) { + node = get_node_by_label(child, label); + if (node) + return node; + } + + return NULL; +} + +struct node *get_node_by_phandle(struct node *tree, cell_t phandle) +{ + struct node *child, *node; + + assert((phandle != 0) && (phandle != -1)); + + if (tree->phandle == phandle) + return tree; + + for_each_child(tree, child) { + node = get_node_by_phandle(child, phandle); + if (node) + return node; + } + + return NULL; +} + +struct node *get_node_by_ref(struct node *tree, const char *ref) +{ + if (ref[0] == '/') + return get_node_by_path(tree, ref); + else + return get_node_by_label(tree, ref); +} + +cell_t get_node_phandle(struct node *root, struct node *node) +{ + static cell_t phandle = 1; /* FIXME: ick, static local */ + + if ((node->phandle != 0) && (node->phandle != -1)) + return node->phandle; + + assert(! get_property(node, "linux,phandle")); + + while (get_node_by_phandle(root, phandle)) + phandle++; + + node->phandle = phandle; + add_property(node, + build_property("linux,phandle", + data_append_cell(empty_data, phandle), + NULL)); + + return node->phandle; +} diff --git a/arch/powerpc/boot/dtc-src/srcpos.c b/arch/powerpc/boot/dtc-src/srcpos.c new file mode 100644 index 000000000000..352b0fe06fde --- /dev/null +++ b/arch/powerpc/boot/dtc-src/srcpos.c @@ -0,0 +1,105 @@ +/* + * Copyright 2007 Jon Loeliger, Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +#include "dtc.h" +#include "srcpos.h" + + +/* + * Record the complete unique set of opened file names. + * Primarily used to cache source position file names. + */ +#define MAX_N_FILE_NAMES (100) + +const char *file_names[MAX_N_FILE_NAMES]; +static int n_file_names = 0; + +/* + * Like yylineno, this is the current open file pos. + */ + +int srcpos_filenum = -1; + + + +FILE *dtc_open_file(const char *fname) +{ + FILE *f; + + if (lookup_file_name(fname, 1) < 0) + die("Too many files opened\n"); + + if (streq(fname, "-")) + f = stdin; + else + f = fopen(fname, "r"); + + if (! f) + die("Couldn't open \"%s\": %s\n", fname, strerror(errno)); + + return f; +} + + + +/* + * Locate and optionally add filename fname in the file_names[] array. + * + * If the filename is currently not in the array and the boolean + * add_it is non-zero, an attempt to add the filename will be made. + * + * Returns; + * Index [0..MAX_N_FILE_NAMES) where the filename is kept + * -1 if the name can not be recorded + */ + +int lookup_file_name(const char *fname, int add_it) +{ + int i; + + for (i = 0; i < n_file_names; i++) { + if (strcmp(file_names[i], fname) == 0) + return i; + } + + if (add_it) { + if (n_file_names < MAX_N_FILE_NAMES) { + file_names[n_file_names] = strdup(fname); + return n_file_names++; + } + } + + return -1; +} + + +const char *srcpos_filename_for_num(int filenum) +{ + if (0 <= filenum && filenum < n_file_names) { + return file_names[filenum]; + } + + return 0; +} + + +const char *srcpos_get_filename(void) +{ + return srcpos_filename_for_num(srcpos_filenum); +} diff --git a/arch/powerpc/boot/dtc-src/srcpos.h b/arch/powerpc/boot/dtc-src/srcpos.h new file mode 100644 index 000000000000..ce7ab5ba5b46 --- /dev/null +++ b/arch/powerpc/boot/dtc-src/srcpos.h @@ -0,0 +1,75 @@ +/* + * Copyright 2007 Jon Loeliger, Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +/* + * Augment the standard YYLTYPE with a filenum index into an + * array of all opened filenames. + */ + +#if ! defined(YYLTYPE) && ! defined(YYLTYPE_IS_DECLARED) +typedef struct YYLTYPE { + int first_line; + int first_column; + int last_line; + int last_column; + int filenum; +} YYLTYPE; + +#define YYLTYPE_IS_DECLARED 1 +#define YYLTYPE_IS_TRIVIAL 1 +#endif + +/* Cater to old parser templates. */ +#ifndef YYID +#define YYID(n) (n) +#endif + +#define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (YYID (N)) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + (Current).filenum = YYRHSLOC (Rhs, N).filenum; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + (Current).filenum = YYRHSLOC (Rhs, 0).filenum; \ + } \ + while (YYID (0)) + + + +extern void yyerror(char const *); + +extern int srcpos_filenum; + +extern int push_input_file(const char *filename); +extern int pop_input_file(void); + +extern FILE *dtc_open_file(const char *fname); +extern int lookup_file_name(const char *fname, int add_it); +extern const char *srcpos_filename_for_num(int filenum); +const char *srcpos_get_filename(void); diff --git a/arch/powerpc/boot/dtc-src/treesource.c b/arch/powerpc/boot/dtc-src/treesource.c new file mode 100644 index 000000000000..a6a776797636 --- /dev/null +++ b/arch/powerpc/boot/dtc-src/treesource.c @@ -0,0 +1,275 @@ +/* + * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +#include "dtc.h" +#include "srcpos.h" + +extern FILE *yyin; +extern int yyparse(void); +extern void yyerror(char const *); + +struct boot_info *the_boot_info; + +struct boot_info *dt_from_source(const char *fname) +{ + the_boot_info = NULL; + + push_input_file(fname); + + if (yyparse() != 0) + return NULL; + + fill_fullpaths(the_boot_info->dt, ""); + + return the_boot_info; +} + +static void write_prefix(FILE *f, int level) +{ + int i; + + for (i = 0; i < level; i++) + fputc('\t', f); +} + +int isstring(char c) +{ + return (isprint(c) + || (c == '\0') + || strchr("\a\b\t\n\v\f\r", c)); +} + +static void write_propval_string(FILE *f, struct data val) +{ + const char *str = val.val; + int i; + int newchunk = 1; + struct marker *m = val.markers; + + assert(str[val.len-1] == '\0'); + + for (i = 0; i < (val.len-1); i++) { + char c = str[i]; + + if (newchunk) { + while (m && (m->offset <= i)) { + if (m->type == LABEL) { + assert(m->offset == i); + fprintf(f, "%s: ", m->ref); + } + m = m->next; + } + fprintf(f, "\""); + newchunk = 0; + } + + switch (c) { + case '\a': + fprintf(f, "\\a"); + break; + case '\b': + fprintf(f, "\\b"); + break; + case '\t': + fprintf(f, "\\t"); + break; + case '\n': + fprintf(f, "\\n"); + break; + case '\v': + fprintf(f, "\\v"); + break; + case '\f': + fprintf(f, "\\f"); + break; + case '\r': + fprintf(f, "\\r"); + break; + case '\\': + fprintf(f, "\\\\"); + break; + case '\"': + fprintf(f, "\\\""); + break; + case '\0': + fprintf(f, "\", "); + newchunk = 1; + break; + default: + if (isprint(c)) + fprintf(f, "%c", c); + else + fprintf(f, "\\x%02hhx", c); + } + } + fprintf(f, "\""); + + /* Wrap up any labels at the end of the value */ + for_each_marker_of_type(m, LABEL) { + assert (m->offset == val.len); + fprintf(f, " %s:", m->ref); + } +} + +static void write_propval_cells(FILE *f, struct data val) +{ + void *propend = val.val + val.len; + cell_t *cp = (cell_t *)val.val; + struct marker *m = val.markers; + + fprintf(f, "<"); + for (;;) { + while (m && (m->offset <= ((char *)cp - val.val))) { + if (m->type == LABEL) { + assert(m->offset == ((char *)cp - val.val)); + fprintf(f, "%s: ", m->ref); + } + m = m->next; + } + + fprintf(f, "0x%x", be32_to_cpu(*cp++)); + if ((void *)cp >= propend) + break; + fprintf(f, " "); + } + + /* Wrap up any labels at the end of the value */ + for_each_marker_of_type(m, LABEL) { + assert (m->offset == val.len); + fprintf(f, " %s:", m->ref); + } + fprintf(f, ">"); +} + +static void write_propval_bytes(FILE *f, struct data val) +{ + void *propend = val.val + val.len; + const char *bp = val.val; + struct marker *m = val.markers; + + fprintf(f, "["); + for (;;) { + while (m && (m->offset == (bp-val.val))) { + if (m->type == LABEL) + fprintf(f, "%s: ", m->ref); + m = m->next; + } + + fprintf(f, "%02hhx", *bp++); + if ((void *)bp >= propend) + break; + fprintf(f, " "); + } + + /* Wrap up any labels at the end of the value */ + for_each_marker_of_type(m, LABEL) { + assert (m->offset == val.len); + fprintf(f, " %s:", m->ref); + } + fprintf(f, "]"); +} + +static void write_propval(FILE *f, struct property *prop) +{ + int len = prop->val.len; + const char *p = prop->val.val; + struct marker *m = prop->val.markers; + int nnotstring = 0, nnul = 0; + int nnotstringlbl = 0, nnotcelllbl = 0; + int i; + + if (len == 0) { + fprintf(f, ";\n"); + return; + } + + for (i = 0; i < len; i++) { + if (! isstring(p[i])) + nnotstring++; + if (p[i] == '\0') + nnul++; + } + + for_each_marker_of_type(m, LABEL) { + if ((m->offset > 0) && (prop->val.val[m->offset - 1] != '\0')) + nnotstringlbl++; + if ((m->offset % sizeof(cell_t)) != 0) + nnotcelllbl++; + } + + fprintf(f, " = "); + if ((p[len-1] == '\0') && (nnotstring == 0) && (nnul < (len-nnul)) + && (nnotstringlbl == 0)) { + write_propval_string(f, prop->val); + } else if (((len % sizeof(cell_t)) == 0) && (nnotcelllbl == 0)) { + write_propval_cells(f, prop->val); + } else { + write_propval_bytes(f, prop->val); + } + + fprintf(f, ";\n"); +} + +static void write_tree_source_node(FILE *f, struct node *tree, int level) +{ + struct property *prop; + struct node *child; + + write_prefix(f, level); + if (tree->label) + fprintf(f, "%s: ", tree->label); + if (tree->name && (*tree->name)) + fprintf(f, "%s {\n", tree->name); + else + fprintf(f, "/ {\n"); + + for_each_property(tree, prop) { + write_prefix(f, level+1); + if (prop->label) + fprintf(f, "%s: ", prop->label); + fprintf(f, "%s", prop->name); + write_propval(f, prop); + } + for_each_child(tree, child) { + fprintf(f, "\n"); + write_tree_source_node(f, child, level+1); + } + write_prefix(f, level); + fprintf(f, "};\n"); +} + + +void dt_to_source(FILE *f, struct boot_info *bi) +{ + struct reserve_info *re; + + fprintf(f, "/dts-v1/;\n\n"); + + for (re = bi->reservelist; re; re = re->next) { + if (re->label) + fprintf(f, "%s: ", re->label); + fprintf(f, "/memreserve/\t0x%016llx 0x%016llx;\n", + (unsigned long long)re->re.address, + (unsigned long long)re->re.size); + } + + write_tree_source_node(f, bi->dt, 0); +} + diff --git a/arch/powerpc/boot/dtc-src/version_gen.h b/arch/powerpc/boot/dtc-src/version_gen.h new file mode 100644 index 000000000000..6c343031538e --- /dev/null +++ b/arch/powerpc/boot/dtc-src/version_gen.h @@ -0,0 +1 @@ +#define DTC_VERSION "DTC 1.0.0-gd6f9b62f" diff --git a/arch/powerpc/boot/dts/kuroboxHD.dts b/arch/powerpc/boot/dts/kuroboxHD.dts index ec71ab819fee..446958854519 100644 --- a/arch/powerpc/boot/dts/kuroboxHD.dts +++ b/arch/powerpc/boot/dts/kuroboxHD.dts @@ -23,6 +23,12 @@ XXXX add flash parts, rtc, ?? #address-cells = <1>; #size-cells = <1>; + aliases { + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -60,7 +66,7 @@ XXXX add flash parts, rtc, ?? i2c@80003000 { #address-cells = <1>; #size-cells = <0>; - device_type = "i2c"; + cell-index = <0>; compatible = "fsl-i2c"; reg = <80003000 1000>; interrupts = <5 2>; @@ -73,7 +79,8 @@ XXXX add flash parts, rtc, ?? }; }; - serial@80004500 { + serial0: serial@80004500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <80004500 8>; @@ -83,7 +90,8 @@ XXXX add flash parts, rtc, ?? interrupt-parent = <&mpic>; }; - serial@80004600 { + serial1: serial@80004600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <80004600 8>; @@ -102,7 +110,7 @@ XXXX add flash parts, rtc, ?? reg = <80040000 40000>; }; - pci@fec00000 { + pci0: pci@fec00000 { #address-cells = <3>; #size-cells = <2>; #interrupt-cells = <1>; diff --git a/arch/powerpc/boot/dts/kuroboxHG.dts b/arch/powerpc/boot/dts/kuroboxHG.dts index 32ecd2319928..8443c85b7b30 100644 --- a/arch/powerpc/boot/dts/kuroboxHG.dts +++ b/arch/powerpc/boot/dts/kuroboxHG.dts @@ -23,6 +23,12 @@ XXXX add flash parts, rtc, ?? #address-cells = <1>; #size-cells = <1>; + aliases { + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -60,7 +66,7 @@ XXXX add flash parts, rtc, ?? i2c@80003000 { #address-cells = <1>; #size-cells = <0>; - device_type = "i2c"; + cell-index = <0>; compatible = "fsl-i2c"; reg = <80003000 1000>; interrupts = <5 2>; @@ -73,7 +79,8 @@ XXXX add flash parts, rtc, ?? }; }; - serial@80004500 { + serial0: serial@80004500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <80004500 8>; @@ -83,7 +90,8 @@ XXXX add flash parts, rtc, ?? interrupt-parent = <&mpic>; }; - serial@80004600 { + serial1: serial@80004600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <80004600 8>; @@ -102,7 +110,7 @@ XXXX add flash parts, rtc, ?? reg = <80040000 40000>; }; - pci@fec00000 { + pci0: pci@fec00000 { #address-cells = <3>; #size-cells = <2>; #interrupt-cells = <1>; diff --git a/arch/powerpc/boot/dts/lite5200.dts b/arch/powerpc/boot/dts/lite5200.dts index 6731763f0282..23eeeb1fc61e 100644 --- a/arch/powerpc/boot/dts/lite5200.dts +++ b/arch/powerpc/boot/dts/lite5200.dts @@ -284,7 +284,8 @@ }; i2c@3d00 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; compatible = "mpc5200-i2c","fsl-i2c"; cell-index = <0>; reg = <3d00 40>; @@ -294,7 +295,8 @@ }; i2c@3d40 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; compatible = "mpc5200-i2c","fsl-i2c"; cell-index = <1>; reg = <3d40 40>; diff --git a/arch/powerpc/boot/dts/lite5200b.dts b/arch/powerpc/boot/dts/lite5200b.dts index b540388c608c..f94e073de9a7 100644 --- a/arch/powerpc/boot/dts/lite5200b.dts +++ b/arch/powerpc/boot/dts/lite5200b.dts @@ -300,7 +300,8 @@ }; i2c@3d00 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; compatible = "mpc5200b-i2c","mpc5200-i2c","fsl-i2c"; cell-index = <0>; reg = <3d00 40>; @@ -310,7 +311,8 @@ }; i2c@3d40 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; compatible = "mpc5200b-i2c","mpc5200-i2c","fsl-i2c"; cell-index = <1>; reg = <3d40 40>; diff --git a/arch/powerpc/boot/dts/mpc8313erdb.dts b/arch/powerpc/boot/dts/mpc8313erdb.dts index 9e7eba973262..c5b6665a8209 100644 --- a/arch/powerpc/boot/dts/mpc8313erdb.dts +++ b/arch/powerpc/boot/dts/mpc8313erdb.dts @@ -15,6 +15,14 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -52,7 +60,9 @@ }; i2c@3000 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <e 8>; @@ -61,7 +71,9 @@ }; i2c@3100 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <1>; compatible = "fsl-i2c"; reg = <3100 100>; interrupts = <f 8>; @@ -91,11 +103,10 @@ }; mdio@24520 { - device_type = "mdio"; - compatible = "gianfar"; - reg = <24520 20>; #address-cells = <1>; #size-cells = <0>; + compatible = "fsl,gianfar-mdio"; + reg = <24520 20>; phy1: ethernet-phy@1 { interrupt-parent = < &ipic >; interrupts = <13 8>; @@ -110,7 +121,8 @@ }; }; - ethernet@24000 { + enet0: ethernet@24000 { + cell-index = <0>; device_type = "network"; model = "eTSEC"; compatible = "gianfar"; @@ -121,7 +133,8 @@ phy-handle = < &phy1 >; }; - ethernet@25000 { + enet1: ethernet@25000 { + cell-index = <1>; device_type = "network"; model = "eTSEC"; compatible = "gianfar"; @@ -132,7 +145,8 @@ phy-handle = < &phy4 >; }; - serial@4500 { + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; @@ -141,7 +155,8 @@ interrupt-parent = < &ipic >; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; @@ -179,7 +194,8 @@ }; }; - pci@e0008500 { + pci0: pci@e0008500 { + cell-index = <1>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < diff --git a/arch/powerpc/boot/dts/mpc832x_mds.dts b/arch/powerpc/boot/dts/mpc832x_mds.dts index c64f3037a13b..26ac467b10ea 100644 --- a/arch/powerpc/boot/dts/mpc832x_mds.dts +++ b/arch/powerpc/boot/dts/mpc832x_mds.dts @@ -15,6 +15,14 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -59,7 +67,7 @@ i2c@3000 { #address-cells = <1>; #size-cells = <0>; - device_type = "i2c"; + cell-index = <0>; compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <e 8>; @@ -72,7 +80,8 @@ }; }; - serial@4500 { + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; @@ -81,7 +90,8 @@ interrupt-parent = < &ipic >; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; @@ -208,44 +218,34 @@ mode = "slave"; }; - ucc@2200 { + enet0: ucc@2200 { device_type = "network"; compatible = "ucc_geth"; model = "UCC"; + cell-index = <3>; device-id = <3>; reg = <2200 200>; interrupts = <22>; interrupt-parent = < &qeic >; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; - rx-clock = <19>; - tx-clock = <1a>; + rx-clock-name = "clk9"; + tx-clock-name = "clk10"; phy-handle = < &phy3 >; pio-handle = < &pio3 >; }; - ucc@3200 { + enet1: ucc@3200 { device_type = "network"; compatible = "ucc_geth"; model = "UCC"; + cell-index = <4>; device-id = <4>; reg = <3200 200>; interrupts = <23>; interrupt-parent = < &qeic >; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; - rx-clock = <17>; - tx-clock = <18>; + rx-clock-name = "clk7"; + tx-clock-name = "clk8"; phy-handle = < &phy4 >; pio-handle = < &pio4 >; }; @@ -283,7 +283,8 @@ }; }; - pci@e0008500 { + pci0: pci@e0008500 { + cell-index = <1>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < /* IDSEL 0x11 AD17 */ diff --git a/arch/powerpc/boot/dts/mpc832x_rdb.dts b/arch/powerpc/boot/dts/mpc832x_rdb.dts index 388c8a7012e1..10ff7aadf9dc 100644 --- a/arch/powerpc/boot/dts/mpc832x_rdb.dts +++ b/arch/powerpc/boot/dts/mpc832x_rdb.dts @@ -15,6 +15,14 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -52,7 +60,9 @@ }; i2c@3000 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <e 8>; @@ -60,7 +70,8 @@ dfsrr; }; - serial@4500 { + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; @@ -69,7 +80,8 @@ interrupt-parent = <&pic>; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; @@ -187,44 +199,34 @@ mode = "cpu"; }; - ucc@3000 { + enet0: ucc@3000 { device_type = "network"; compatible = "ucc_geth"; model = "UCC"; + cell-index = <2>; device-id = <2>; reg = <3000 200>; interrupts = <21>; interrupt-parent = <&qeic>; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; - rx-clock = <20>; - tx-clock = <13>; + rx-clock-name = "clk16"; + tx-clock-name = "clk3"; phy-handle = <&phy00>; pio-handle = <&ucc2pio>; }; - ucc@2200 { + enet1: ucc@2200 { device_type = "network"; compatible = "ucc_geth"; model = "UCC"; + cell-index = <3>; device-id = <3>; reg = <2200 200>; interrupts = <22>; interrupt-parent = <&qeic>; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; - rx-clock = <19>; - tx-clock = <1a>; + rx-clock-name = "clk9"; + tx-clock-name = "clk10"; phy-handle = <&phy04>; pio-handle = <&ucc3pio>; }; @@ -262,7 +264,8 @@ }; }; - pci@e0008500 { + pci0: pci@e0008500 { + cell-index = <1>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < /* IDSEL 0x10 AD16 (USB) */ diff --git a/arch/powerpc/boot/dts/mpc8349emitx.dts b/arch/powerpc/boot/dts/mpc8349emitx.dts index 5072f6d0a46d..e354f2634246 100644 --- a/arch/powerpc/boot/dts/mpc8349emitx.dts +++ b/arch/powerpc/boot/dts/mpc8349emitx.dts @@ -14,6 +14,15 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + pci1 = &pci1; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -51,7 +60,9 @@ }; i2c@3000 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <e 8>; @@ -60,7 +71,9 @@ }; i2c@3100 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <1>; compatible = "fsl-i2c"; reg = <3100 100>; interrupts = <f 8>; @@ -102,11 +115,10 @@ }; mdio@24520 { - device_type = "mdio"; - compatible = "gianfar"; - reg = <24520 20>; #address-cells = <1>; #size-cells = <0>; + compatible = "fsl,gianfar-mdio"; + reg = <24520 20>; /* Vitesse 8201 */ phy1c: ethernet-phy@1c { @@ -125,17 +137,12 @@ }; }; - ethernet@24000 { + enet0: ethernet@24000 { + cell-index = <0>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; reg = <24000 1000>; - /* - * address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <20 8 21 8 22 8>; interrupt-parent = < &ipic >; @@ -143,19 +150,12 @@ linux,network-index = <0>; }; - ethernet@25000 { - #address-cells = <1>; - #size-cells = <0>; + enet1: ethernet@25000 { + cell-index = <1>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; reg = <25000 1000>; - /* - * address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <23 8 24 8 25 8>; interrupt-parent = < &ipic >; @@ -163,7 +163,8 @@ linux,network-index = <1>; }; - serial@4500 { + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; @@ -172,7 +173,8 @@ interrupt-parent = < &ipic >; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; @@ -203,7 +205,8 @@ }; }; - pci@e0008500 { + pci0: pci@e0008500 { + cell-index = <1>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < /* IDSEL 0x10 - SATA */ @@ -224,7 +227,8 @@ device_type = "pci"; }; - pci@e0008600 { + pci1: pci@e0008600 { + cell-index = <2>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < /* IDSEL 0x0E - MiniPCI Slot */ diff --git a/arch/powerpc/boot/dts/mpc8349emitxgp.dts b/arch/powerpc/boot/dts/mpc8349emitxgp.dts index 074f7a2ab7e4..ebdf0b750086 100644 --- a/arch/powerpc/boot/dts/mpc8349emitxgp.dts +++ b/arch/powerpc/boot/dts/mpc8349emitxgp.dts @@ -14,6 +14,13 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -51,7 +58,9 @@ }; i2c@3000 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <e 8>; @@ -60,7 +69,9 @@ }; i2c@3100 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <1>; compatible = "fsl-i2c"; reg = <3100 100>; interrupts = <f 8>; @@ -90,11 +101,10 @@ }; mdio@24520 { - device_type = "mdio"; - compatible = "gianfar"; - reg = <24520 20>; #address-cells = <1>; #size-cells = <0>; + compatible = "fsl,gianfar-mdio"; + reg = <24520 20>; /* Vitesse 8201 */ phy1c: ethernet-phy@1c { @@ -105,7 +115,8 @@ }; }; - ethernet@24000 { + enet0: ethernet@24000 { + cell-index = <0>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; @@ -117,7 +128,8 @@ linux,network-index = <0>; }; - serial@4500 { + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; @@ -126,7 +138,8 @@ interrupt-parent = < &ipic >; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; @@ -157,7 +170,8 @@ }; }; - pci@e0008600 { + pci0: pci@e0008600 { + cell-index = <2>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < /* IDSEL 0x0F - PCI Slot */ diff --git a/arch/powerpc/boot/dts/mpc834x_mds.dts b/arch/powerpc/boot/dts/mpc834x_mds.dts index 49363f89cb71..0ba13ebcea68 100644 --- a/arch/powerpc/boot/dts/mpc834x_mds.dts +++ b/arch/powerpc/boot/dts/mpc834x_mds.dts @@ -15,6 +15,15 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + pci1 = &pci1; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -59,7 +68,7 @@ i2c@3000 { #address-cells = <1>; #size-cells = <0>; - device_type = "i2c"; + cell-index = <0>; compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <e 8>; @@ -75,7 +84,7 @@ i2c@3100 { #address-cells = <1>; #size-cells = <0>; - device_type = "i2c"; + cell-index = <1>; compatible = "fsl-i2c"; reg = <3100 100>; interrupts = <f 8>; @@ -119,11 +128,11 @@ }; mdio@24520 { - device_type = "mdio"; - compatible = "gianfar"; - reg = <24520 20>; #address-cells = <1>; #size-cells = <0>; + compatible = "fsl,gianfar-mdio"; + reg = <24520 20>; + phy0: ethernet-phy@0 { interrupt-parent = < &ipic >; interrupts = <11 8>; @@ -138,17 +147,12 @@ }; }; - ethernet@24000 { + enet0: ethernet@24000 { + cell-index = <0>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; reg = <24000 1000>; - /* - * address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <20 8 21 8 22 8>; interrupt-parent = < &ipic >; @@ -156,19 +160,12 @@ linux,network-index = <0>; }; - ethernet@25000 { - #address-cells = <1>; - #size-cells = <0>; + enet1: ethernet@25000 { + cell-index = <1>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; reg = <25000 1000>; - /* - * address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <23 8 24 8 25 8>; interrupt-parent = < &ipic >; @@ -176,7 +173,8 @@ linux,network-index = <1>; }; - serial@4500 { + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; @@ -185,7 +183,8 @@ interrupt-parent = < &ipic >; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; @@ -225,7 +224,8 @@ }; }; - pci@e0008500 { + pci0: pci@e0008500 { + cell-index = <1>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < @@ -285,7 +285,8 @@ device_type = "pci"; }; - pci@e0008600 { + pci1: pci@e0008600 { + cell-index = <2>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < diff --git a/arch/powerpc/boot/dts/mpc836x_mds.dts b/arch/powerpc/boot/dts/mpc836x_mds.dts index 0b2d2b588daa..fd841b2fddd0 100644 --- a/arch/powerpc/boot/dts/mpc836x_mds.dts +++ b/arch/powerpc/boot/dts/mpc836x_mds.dts @@ -20,6 +20,14 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -64,7 +72,7 @@ i2c@3000 { #address-cells = <1>; #size-cells = <0>; - device_type = "i2c"; + cell-index = <0>; compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <e 8>; @@ -80,7 +88,7 @@ i2c@3100 { #address-cells = <1>; #size-cells = <0>; - device_type = "i2c"; + cell-index = <1>; compatible = "fsl-i2c"; reg = <3100 100>; interrupts = <f 8>; @@ -88,7 +96,8 @@ dfsrr; }; - serial@4500 { + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; @@ -97,7 +106,8 @@ interrupt-parent = < &ipic >; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; @@ -239,45 +249,35 @@ mode = "slave"; }; - ucc@2000 { + enet0: ucc@2000 { device_type = "network"; compatible = "ucc_geth"; model = "UCC"; + cell-index = <1>; device-id = <1>; reg = <2000 200>; interrupts = <20>; interrupt-parent = < &qeic >; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; - rx-clock = <0>; - tx-clock = <19>; + rx-clock-name = "none"; + tx-clock-name = "clk9"; phy-handle = < &phy0 >; phy-connection-type = "rgmii-id"; pio-handle = < &pio1 >; }; - ucc@3000 { + enet1: ucc@3000 { device_type = "network"; compatible = "ucc_geth"; model = "UCC"; + cell-index = <2>; device-id = <2>; reg = <3000 200>; interrupts = <21>; interrupt-parent = < &qeic >; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; - rx-clock = <0>; - tx-clock = <14>; + rx-clock-name = "none"; + tx-clock-name = "clk4"; phy-handle = < &phy1 >; phy-connection-type = "rgmii-id"; pio-handle = < &pio2 >; @@ -316,7 +316,8 @@ }; }; - pci@e0008500 { + pci0: pci@e0008500 { + cell-index = <1>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < diff --git a/arch/powerpc/boot/dts/mpc8540ads.dts b/arch/powerpc/boot/dts/mpc8540ads.dts index 6442a717ec3b..975248491b7b 100644 --- a/arch/powerpc/boot/dts/mpc8540ads.dts +++ b/arch/powerpc/boot/dts/mpc8540ads.dts @@ -16,6 +16,15 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; + ethernet2 = &enet2; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -63,7 +72,9 @@ }; i2c@3000 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <2b 2>; @@ -74,9 +85,9 @@ mdio@24520 { #address-cells = <1>; #size-cells = <0>; - device_type = "mdio"; - compatible = "gianfar"; + compatible = "fsl,gianfar-mdio"; reg = <24520 20>; + phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; interrupts = <5 1>; @@ -97,64 +108,44 @@ }; }; - ethernet@24000 { - #address-cells = <1>; - #size-cells = <0>; + enet0: ethernet@24000 { + cell-index = <0>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; reg = <24000 1000>; - /* - * address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <1d 2 1e 2 22 2>; interrupt-parent = <&mpic>; phy-handle = <&phy0>; }; - ethernet@25000 { - #address-cells = <1>; - #size-cells = <0>; + enet1: ethernet@25000 { + cell-index = <1>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; reg = <25000 1000>; - /* - * address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <23 2 24 2 28 2>; interrupt-parent = <&mpic>; phy-handle = <&phy1>; }; - ethernet@26000 { - #address-cells = <1>; - #size-cells = <0>; + enet2: ethernet@26000 { + cell-index = <2>; device_type = "network"; model = "FEC"; compatible = "gianfar"; reg = <26000 1000>; - /* - * address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <29 2>; interrupt-parent = <&mpic>; phy-handle = <&phy3>; }; - serial@4500 { + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; // reg base, size @@ -163,7 +154,8 @@ interrupt-parent = <&mpic>; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; // reg base, size @@ -183,7 +175,8 @@ }; }; - pci@e0008000 { + pci0: pci@e0008000 { + cell-index = <0>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < diff --git a/arch/powerpc/boot/dts/mpc8541cds.dts b/arch/powerpc/boot/dts/mpc8541cds.dts index f3f4d79deb63..fa8d9aaad157 100644 --- a/arch/powerpc/boot/dts/mpc8541cds.dts +++ b/arch/powerpc/boot/dts/mpc8541cds.dts @@ -16,6 +16,15 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + pci1 = &pci1; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -63,7 +72,9 @@ }; i2c@3000 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <2b 2>; @@ -74,9 +85,9 @@ mdio@24520 { #address-cells = <1>; #size-cells = <0>; - device_type = "mdio"; - compatible = "gianfar"; + compatible = "fsl,gianfar-mdio"; reg = <24520 20>; + phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; interrupts = <5 1>; @@ -91,9 +102,8 @@ }; }; - ethernet@24000 { - #address-cells = <1>; - #size-cells = <0>; + enet0: ethernet@24000 { + cell-index = <0>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; @@ -104,9 +114,8 @@ phy-handle = <&phy0>; }; - ethernet@25000 { - #address-cells = <1>; - #size-cells = <0>; + enet1: ethernet@25000 { + cell-index = <1>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; @@ -117,7 +126,8 @@ phy-handle = <&phy1>; }; - serial@4500 { + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; // reg base, size @@ -126,7 +136,8 @@ interrupt-parent = <&mpic>; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; // reg base, size @@ -183,7 +194,8 @@ }; }; - pci1: pci@e0008000 { + pci0: pci@e0008000 { + cell-index = <0>; interrupt-map-mask = <1f800 0 0 7>; interrupt-map = < @@ -250,11 +262,12 @@ #interrupt-cells = <2>; compatible = "chrp,iic"; interrupts = <1>; - interrupt-parent = <&pci1>; + interrupt-parent = <&pci0>; }; }; - pci@e0009000 { + pci1: pci@e0009000 { + cell-index = <1>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < diff --git a/arch/powerpc/boot/dts/mpc8544ds.dts b/arch/powerpc/boot/dts/mpc8544ds.dts index 6c608de1fc1b..54b3bdf7fc97 100644 --- a/arch/powerpc/boot/dts/mpc8544ds.dts +++ b/arch/powerpc/boot/dts/mpc8544ds.dts @@ -15,6 +15,17 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + pci1 = &pci1; + pci2 = &pci2; + pci3 = &pci3; + }; + cpus { #cpus = <1>; #address-cells = <1>; @@ -64,7 +75,9 @@ }; i2c@3000 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <2b 2>; @@ -72,12 +85,23 @@ dfsrr; }; + i2c@3100 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <1>; + compatible = "fsl-i2c"; + reg = <3100 100>; + interrupts = <2b 2>; + interrupt-parent = <&mpic>; + dfsrr; + }; + mdio@24520 { #address-cells = <1>; #size-cells = <0>; - device_type = "mdio"; - compatible = "gianfar"; + compatible = "fsl,gianfar-mdio"; reg = <24520 20>; + phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; interrupts = <a 1>; @@ -92,9 +116,8 @@ }; }; - ethernet@24000 { - #address-cells = <1>; - #size-cells = <0>; + enet0: ethernet@24000 { + cell-index = <0>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; @@ -106,9 +129,8 @@ phy-connection-type = "rgmii-id"; }; - ethernet@26000 { - #address-cells = <1>; - #size-cells = <0>; + enet1: ethernet@26000 { + cell-index = <1>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; @@ -120,7 +142,8 @@ phy-connection-type = "rgmii-id"; }; - serial@4500 { + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; @@ -129,7 +152,8 @@ interrupt-parent = <&mpic>; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; @@ -156,7 +180,8 @@ }; }; - pci@e0008000 { + pci0: pci@e0008000 { + cell-index = <0>; compatible = "fsl,mpc8540-pci"; device_type = "pci"; interrupt-map-mask = <f800 0 0 7>; @@ -187,7 +212,8 @@ reg = <e0008000 1000>; }; - pcie@e0009000 { + pci1: pcie@e0009000 { + cell-index = <1>; compatible = "fsl,mpc8548-pcie"; device_type = "pci"; #interrupt-cells = <1>; @@ -223,7 +249,8 @@ }; }; - pcie@e000a000 { + pci2: pcie@e000a000 { + cell-index = <2>; compatible = "fsl,mpc8548-pcie"; device_type = "pci"; #interrupt-cells = <1>; @@ -259,7 +286,8 @@ }; }; - pcie@e000b000 { + pci3: pcie@e000b000 { + cell-index = <3>; compatible = "fsl,mpc8548-pcie"; device_type = "pci"; #interrupt-cells = <1>; @@ -369,6 +397,5 @@ }; }; }; - }; }; diff --git a/arch/powerpc/boot/dts/mpc8548cds.dts b/arch/powerpc/boot/dts/mpc8548cds.dts index 69ca5025d972..1f470c6a1c63 100644 --- a/arch/powerpc/boot/dts/mpc8548cds.dts +++ b/arch/powerpc/boot/dts/mpc8548cds.dts @@ -16,6 +16,20 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; +/* + ethernet2 = &enet2; + ethernet3 = &enet3; +*/ + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + pci1 = &pci1; + pci2 = &pci2; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -63,7 +77,9 @@ }; i2c@3000 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <2b 2>; @@ -71,12 +87,23 @@ dfsrr; }; + i2c@3100 { + #address-cells = <1>; + #size-cells = <0>; + cell-index = <1>; + compatible = "fsl-i2c"; + reg = <3100 100>; + interrupts = <2b 2>; + interrupt-parent = <&mpic>; + dfsrr; + }; + mdio@24520 { #address-cells = <1>; #size-cells = <0>; - device_type = "mdio"; - compatible = "gianfar"; + compatible = "fsl,gianfar-mdio"; reg = <24520 20>; + phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; interrupts = <5 1>; @@ -103,9 +130,8 @@ }; }; - ethernet@24000 { - #address-cells = <1>; - #size-cells = <0>; + enet0: ethernet@24000 { + cell-index = <0>; device_type = "network"; model = "eTSEC"; compatible = "gianfar"; @@ -116,9 +142,8 @@ phy-handle = <&phy0>; }; - ethernet@25000 { - #address-cells = <1>; - #size-cells = <0>; + enet1: ethernet@25000 { + cell-index = <1>; device_type = "network"; model = "eTSEC"; compatible = "gianfar"; @@ -130,9 +155,8 @@ }; /* eTSEC 3/4 are currently broken - ethernet@26000 { - #address-cells = <1>; - #size-cells = <0>; + enet2: ethernet@26000 { + cell-index = <2>; device_type = "network"; model = "eTSEC"; compatible = "gianfar"; @@ -143,9 +167,8 @@ phy-handle = <&phy2>; }; - ethernet@27000 { - #address-cells = <1>; - #size-cells = <0>; + enet3: ethernet@27000 { + cell-index = <3>; device_type = "network"; model = "eTSEC"; compatible = "gianfar"; @@ -157,7 +180,8 @@ }; */ - serial@4500 { + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; // reg base, size @@ -166,7 +190,8 @@ interrupt-parent = <&mpic>; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; // reg base, size @@ -193,7 +218,8 @@ }; }; - pci@e0008000 { + pci0: pci@e0008000 { + cell-index = <0>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < /* IDSEL 0x4 (PCIX Slot 2) */ @@ -342,7 +368,8 @@ }; }; - pci@e0009000 { + pci1: pci@e0009000 { + cell-index = <1>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < @@ -366,7 +393,8 @@ device_type = "pci"; }; - pcie@e000a000 { + pci2: pcie@e000a000 { + cell-index = <2>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < diff --git a/arch/powerpc/boot/dts/mpc8555cds.dts b/arch/powerpc/boot/dts/mpc8555cds.dts index 57029cca32b2..4538f3c38862 100644 --- a/arch/powerpc/boot/dts/mpc8555cds.dts +++ b/arch/powerpc/boot/dts/mpc8555cds.dts @@ -16,6 +16,15 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + pci1 = &pci1; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -63,7 +72,9 @@ }; i2c@3000 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <2b 2>; @@ -74,9 +85,9 @@ mdio@24520 { #address-cells = <1>; #size-cells = <0>; - device_type = "mdio"; - compatible = "gianfar"; + compatible = "fsl,gianfar-mdio"; reg = <24520 20>; + phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; interrupts = <5 1>; @@ -91,9 +102,8 @@ }; }; - ethernet@24000 { - #address-cells = <1>; - #size-cells = <0>; + enet0: ethernet@24000 { + cell-index = <0>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; @@ -104,9 +114,8 @@ phy-handle = <&phy0>; }; - ethernet@25000 { - #address-cells = <1>; - #size-cells = <0>; + enet1: ethernet@25000 { + cell-index = <1>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; @@ -117,7 +126,8 @@ phy-handle = <&phy1>; }; - serial@4500 { + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; // reg base, size @@ -126,7 +136,8 @@ interrupt-parent = <&mpic>; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; // reg base, size @@ -183,7 +194,8 @@ }; }; - pci1: pci@e0008000 { + pci0: pci@e0008000 { + cell-index = <0>; interrupt-map-mask = <1f800 0 0 7>; interrupt-map = < @@ -250,11 +262,12 @@ #interrupt-cells = <2>; compatible = "chrp,iic"; interrupts = <1>; - interrupt-parent = <&pci1>; + interrupt-parent = <&pci0>; }; }; - pci@e0009000 { + pci1: pci@e0009000 { + cell-index = <1>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < diff --git a/arch/powerpc/boot/dts/mpc8560ads.dts b/arch/powerpc/boot/dts/mpc8560ads.dts index 6b362f8222c1..639ce8a709a6 100644 --- a/arch/powerpc/boot/dts/mpc8560ads.dts +++ b/arch/powerpc/boot/dts/mpc8560ads.dts @@ -16,6 +16,16 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; + ethernet2 = &enet2; + ethernet3 = &enet3; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -63,11 +73,11 @@ }; mdio@24520 { - device_type = "mdio"; - compatible = "gianfar"; - reg = <24520 20>; #address-cells = <1>; #size-cells = <0>; + compatible = "fsl,gianfar-mdio"; + reg = <24520 20>; + phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; interrupts = <5 1>; @@ -94,36 +104,24 @@ }; }; - ethernet@24000 { + enet0: ethernet@24000 { + cell-index = <0>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; reg = <24000 1000>; - /* - * address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <1d 2 1e 2 22 2>; interrupt-parent = <&mpic>; phy-handle = <&phy0>; }; - ethernet@25000 { - #address-cells = <1>; - #size-cells = <0>; + enet1: ethernet@25000 { + cell-index = <1>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; reg = <25000 1000>; - /* - * address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <23 2 24 2 28 2>; interrupt-parent = <&mpic>; @@ -174,7 +172,7 @@ compatible = "fsl,mpc8560-cpm-pic", "fsl,cpm2-pic"; }; - serial@91a00 { + serial0: serial@91a00 { device_type = "serial"; compatible = "fsl,mpc8560-scc-uart", "fsl,cpm2-scc-uart"; @@ -186,7 +184,7 @@ interrupt-parent = <&cpmpic>; }; - serial@91a20 { + serial1: serial@91a20 { device_type = "serial"; compatible = "fsl,mpc8560-scc-uart", "fsl,cpm2-scc-uart"; @@ -198,17 +196,11 @@ interrupt-parent = <&cpmpic>; }; - ethernet@91320 { + enet2: ethernet@91320 { device_type = "network"; compatible = "fsl,mpc8560-fcc-enet", "fsl,cpm2-fcc-enet"; reg = <91320 20 88500 100 913b0 1>; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; fsl,cpm-command = <16200300>; interrupts = <21 8>; @@ -216,17 +208,11 @@ phy-handle = <&phy2>; }; - ethernet@91340 { + enet3: ethernet@91340 { device_type = "network"; compatible = "fsl,mpc8560-fcc-enet", "fsl,cpm2-fcc-enet"; reg = <91340 20 88600 100 913d0 1>; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; fsl,cpm-command = <1a400300>; interrupts = <22 8>; @@ -236,7 +222,8 @@ }; }; - pci@e0008000 { + pci0: pci@e0008000 { + cell-index = <0>; #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; diff --git a/arch/powerpc/boot/dts/mpc8568mds.dts b/arch/powerpc/boot/dts/mpc8568mds.dts index 54394372b12a..5818a7c861e7 100644 --- a/arch/powerpc/boot/dts/mpc8568mds.dts +++ b/arch/powerpc/boot/dts/mpc8568mds.dts @@ -20,6 +20,17 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; + ethernet2 = &enet2; + ethernet3 = &enet3; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + pci1 = &pci1; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -74,7 +85,7 @@ i2c@3000 { #address-cells = <1>; #size-cells = <0>; - device_type = "i2c"; + cell-index = <0>; compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <2b 2>; @@ -90,7 +101,7 @@ i2c@3100 { #address-cells = <1>; #size-cells = <0>; - device_type = "i2c"; + cell-index = <1>; compatible = "fsl-i2c"; reg = <3100 100>; interrupts = <2b 2>; @@ -101,9 +112,9 @@ mdio@24520 { #address-cells = <1>; #size-cells = <0>; - device_type = "mdio"; - compatible = "gianfar"; + compatible = "fsl,gianfar-mdio"; reg = <24520 20>; + phy0: ethernet-phy@7 { interrupt-parent = <&mpic>; interrupts = <1 1>; @@ -130,45 +141,32 @@ }; }; - ethernet@24000 { - #address-cells = <1>; - #size-cells = <0>; + enet0: ethernet@24000 { + cell-index = <0>; device_type = "network"; model = "eTSEC"; compatible = "gianfar"; reg = <24000 1000>; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <1d 2 1e 2 22 2>; interrupt-parent = <&mpic>; phy-handle = <&phy2>; }; - ethernet@25000 { - #address-cells = <1>; - #size-cells = <0>; + enet1: ethernet@25000 { + cell-index = <1>; device_type = "network"; model = "eTSEC"; compatible = "gianfar"; reg = <25000 1000>; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <23 2 24 2 28 2>; interrupt-parent = <&mpic>; phy-handle = <&phy3>; }; - serial@4500 { + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; @@ -183,7 +181,8 @@ fsl,has-rstcr; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; @@ -318,45 +317,35 @@ mode = "cpu"; }; - ucc@2000 { + enet2: ucc@2000 { device_type = "network"; compatible = "ucc_geth"; model = "UCC"; + cell-index = <1>; device-id = <1>; reg = <2000 200>; interrupts = <20>; interrupt-parent = <&qeic>; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; - rx-clock = <0>; - tx-clock = <20>; + rx-clock-name = "none"; + tx-clock-name = "clk16"; pio-handle = <&pio1>; phy-handle = <&phy0>; phy-connection-type = "rgmii-id"; }; - ucc@3000 { + enet3: ucc@3000 { device_type = "network"; compatible = "ucc_geth"; model = "UCC"; + cell-index = <2>; device-id = <2>; reg = <3000 200>; interrupts = <21>; interrupt-parent = <&qeic>; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; - rx-clock = <0>; - tx-clock = <20>; + rx-clock-name = "none"; + tx-clock-name = "clk16"; pio-handle = <&pio2>; phy-handle = <&phy1>; phy-connection-type = "rgmii-id"; @@ -366,7 +355,6 @@ #address-cells = <1>; #size-cells = <0>; reg = <2120 18>; - device_type = "mdio"; compatible = "ucc_geth_phy"; /* These are the same PHYs as on @@ -410,7 +398,8 @@ }; - pci@e0008000 { + pci0: pci@e0008000 { + cell-index = <0>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < /* IDSEL 0x12 AD18 */ @@ -440,7 +429,8 @@ }; /* PCI Express */ - pcie@e000a000 { + pci1: pcie@e000a000 { + cell-index = <2>; interrupt-map-mask = <f800 0 0 7>; interrupt-map = < diff --git a/arch/powerpc/boot/dts/mpc8572ds.dts b/arch/powerpc/boot/dts/mpc8572ds.dts index 0eb44fb9647d..233e0d5a8b9d 100644 --- a/arch/powerpc/boot/dts/mpc8572ds.dts +++ b/arch/powerpc/boot/dts/mpc8572ds.dts @@ -15,6 +15,18 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; + ethernet2 = &enet2; + ethernet3 = &enet3; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + pci1 = &pci1; + pci2 = &pci2; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -69,7 +81,9 @@ }; i2c@3000 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <2b 2>; @@ -78,7 +92,9 @@ }; i2c@3100 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <1>; compatible = "fsl-i2c"; reg = <3100 100>; interrupts = <2b 2>; @@ -89,9 +105,9 @@ mdio@24520 { #address-cells = <1>; #size-cells = <0>; - device_type = "mdio"; - compatible = "gianfar"; + compatible = "fsl,gianfar-mdio"; reg = <24520 20>; + phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; interrupts = <a 1>; @@ -114,9 +130,8 @@ }; }; - ethernet@24000 { - #address-cells = <1>; - #size-cells = <0>; + enet0: ethernet@24000 { + cell-index = <0>; device_type = "network"; model = "eTSEC"; compatible = "gianfar"; @@ -128,9 +143,8 @@ phy-connection-type = "rgmii-id"; }; - ethernet@25000 { - #address-cells = <1>; - #size-cells = <0>; + enet1: ethernet@25000 { + cell-index = <1>; device_type = "network"; model = "eTSEC"; compatible = "gianfar"; @@ -142,9 +156,8 @@ phy-connection-type = "rgmii-id"; }; - ethernet@26000 { - #address-cells = <1>; - #size-cells = <0>; + enet2: ethernet@26000 { + cell-index = <2>; device_type = "network"; model = "eTSEC"; compatible = "gianfar"; @@ -156,9 +169,8 @@ phy-connection-type = "rgmii-id"; }; - ethernet@27000 { - #address-cells = <1>; - #size-cells = <0>; + enet3: ethernet@27000 { + cell-index = <3>; device_type = "network"; model = "eTSEC"; compatible = "gianfar"; @@ -170,7 +182,8 @@ phy-connection-type = "rgmii-id"; }; - serial@4500 { + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; @@ -179,7 +192,8 @@ interrupt-parent = <&mpic>; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; @@ -206,7 +220,8 @@ }; }; - pcie@ffe08000 { + pci0: pcie@ffe08000 { + cell-index = <0>; compatible = "fsl,mpc8548-pcie"; device_type = "pci"; #interrupt-cells = <1>; @@ -415,7 +430,8 @@ }; - pcie@ffe09000 { + pci1: pcie@ffe09000 { + cell-index = <1>; compatible = "fsl,mpc8548-pcie"; device_type = "pci"; #interrupt-cells = <1>; @@ -451,7 +467,8 @@ }; }; - pcie@ffe0a000 { + pci2: pcie@ffe0a000 { + cell-index = <2>; compatible = "fsl,mpc8548-pcie"; device_type = "pci"; #interrupt-cells = <1>; diff --git a/arch/powerpc/boot/dts/mpc8610_hpcd.dts b/arch/powerpc/boot/dts/mpc8610_hpcd.dts index 966edf1161a6..01040a752c82 100644 --- a/arch/powerpc/boot/dts/mpc8610_hpcd.dts +++ b/arch/powerpc/boot/dts/mpc8610_hpcd.dts @@ -15,6 +15,13 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + pci1 = &pci1; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -47,10 +54,10 @@ bus-frequency = <0>; i2c@3000 { - device_type = "i2c"; - compatible = "fsl-i2c"; #address-cells = <1>; #size-cells = <0>; + cell-index = <0>; + compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <2b 2>; interrupt-parent = <&mpic>; @@ -58,17 +65,18 @@ }; i2c@3100 { - device_type = "i2c"; - compatible = "fsl-i2c"; #address-cells = <1>; #size-cells = <0>; + cell-index = <1>; + compatible = "fsl-i2c"; reg = <3100 100>; interrupts = <2b 2>; interrupt-parent = <&mpic>; dfsrr; }; - serial@4500 { + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; @@ -77,7 +85,8 @@ interrupt-parent = <&mpic>; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; @@ -86,7 +95,6 @@ interrupt-parent = <&mpic>; }; - mpic: interrupt-controller@40000 { clock-frequency = <0>; interrupt-controller; @@ -105,7 +113,8 @@ }; }; - pci@e0008000 { + pci0: pci@e0008000 { + cell-index = <0>; compatible = "fsl,mpc8610-pci"; device_type = "pci"; #interrupt-cells = <1>; @@ -134,7 +143,8 @@ >; }; - pcie@e000a000 { + pci1: pcie@e000a000 { + cell-index = <1>; compatible = "fsl,mpc8641-pcie"; device_type = "pci"; #interrupt-cells = <1>; diff --git a/arch/powerpc/boot/dts/mpc8641_hpcn.dts b/arch/powerpc/boot/dts/mpc8641_hpcn.dts index abb26dc42558..86fc2280c16d 100644 --- a/arch/powerpc/boot/dts/mpc8641_hpcn.dts +++ b/arch/powerpc/boot/dts/mpc8641_hpcn.dts @@ -16,6 +16,17 @@ #address-cells = <1>; #size-cells = <1>; + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; + ethernet2 = &enet2; + ethernet3 = &enet3; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + pci1 = &pci1; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -58,7 +69,9 @@ bus-frequency = <0>; i2c@3000 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <0>; compatible = "fsl-i2c"; reg = <3000 100>; interrupts = <2b 2>; @@ -67,7 +80,9 @@ }; i2c@3100 { - device_type = "i2c"; + #address-cells = <1>; + #size-cells = <0>; + cell-index = <1>; compatible = "fsl-i2c"; reg = <3100 100>; interrupts = <2b 2>; @@ -78,9 +93,9 @@ mdio@24520 { #address-cells = <1>; #size-cells = <0>; - device_type = "mdio"; - compatible = "gianfar"; + compatible = "fsl,gianfar-mdio"; reg = <24520 20>; + phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; interrupts = <a 1>; @@ -107,19 +122,12 @@ }; }; - ethernet@24000 { - #address-cells = <1>; - #size-cells = <0>; + enet0: ethernet@24000 { + cell-index = <0>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; reg = <24000 1000>; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <1d 2 1e 2 22 2>; interrupt-parent = <&mpic>; @@ -127,19 +135,12 @@ phy-connection-type = "rgmii-id"; }; - ethernet@25000 { - #address-cells = <1>; - #size-cells = <0>; + enet1: ethernet@25000 { + cell-index = <1>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; reg = <25000 1000>; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <23 2 24 2 28 2>; interrupt-parent = <&mpic>; @@ -147,19 +148,12 @@ phy-connection-type = "rgmii-id"; }; - ethernet@26000 { - #address-cells = <1>; - #size-cells = <0>; + enet2: ethernet@26000 { + cell-index = <2>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; reg = <26000 1000>; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <1F 2 20 2 21 2>; interrupt-parent = <&mpic>; @@ -167,26 +161,21 @@ phy-connection-type = "rgmii-id"; }; - ethernet@27000 { - #address-cells = <1>; - #size-cells = <0>; + enet3: ethernet@27000 { + cell-index = <3>; device_type = "network"; model = "TSEC"; compatible = "gianfar"; reg = <27000 1000>; - /* - * mac-address is deprecated and will be removed - * in 2.6.25. Only recent versions of - * U-Boot support local-mac-address, however. - */ - mac-address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <25 2 26 2 27 2>; interrupt-parent = <&mpic>; phy-handle = <&phy3>; phy-connection-type = "rgmii-id"; }; - serial@4500 { + + serial0: serial@4500 { + cell-index = <0>; device_type = "serial"; compatible = "ns16550"; reg = <4500 100>; @@ -195,7 +184,8 @@ interrupt-parent = <&mpic>; }; - serial@4600 { + serial1: serial@4600 { + cell-index = <1>; device_type = "serial"; compatible = "ns16550"; reg = <4600 100>; @@ -222,7 +212,8 @@ }; }; - pcie@f8008000 { + pci0: pcie@f8008000 { + cell-index = <0>; compatible = "fsl,mpc8641-pcie"; device_type = "pci"; #interrupt-cells = <1>; @@ -430,7 +421,8 @@ }; - pcie@f8009000 { + pci1: pcie@f8009000 { + cell-index = <1>; compatible = "fsl,mpc8641-pcie"; device_type = "pci"; #interrupt-cells = <1>; diff --git a/arch/powerpc/boot/dts/mpc866ads.dts b/arch/powerpc/boot/dts/mpc866ads.dts index 90f2293ed3cd..daf9433e906b 100644 --- a/arch/powerpc/boot/dts/mpc866ads.dts +++ b/arch/powerpc/boot/dts/mpc866ads.dts @@ -12,7 +12,7 @@ / { model = "MPC866ADS"; - compatible = "mpc8xx"; + compatible = "fsl,mpc866ads"; #address-cells = <1>; #size-cells = <1>; @@ -23,15 +23,15 @@ PowerPC,866@0 { device_type = "cpu"; reg = <0>; - d-cache-line-size = <20>; // 32 bytes - i-cache-line-size = <20>; // 32 bytes + d-cache-line-size = <10>; // 16 bytes + i-cache-line-size = <10>; // 16 bytes d-cache-size = <2000>; // L1, 8K i-cache-size = <4000>; // L1, 16K timebase-frequency = <0>; bus-frequency = <0>; clock-frequency = <0>; interrupts = <f 2>; // decrementer interrupt - interrupt-parent = <&Mpc8xx_pic>; + interrupt-parent = <&PIC>; }; }; @@ -40,107 +40,139 @@ reg = <00000000 800000>; }; - soc866@ff000000 { + localbus@ff000100 { + compatible = "fsl,mpc866-localbus", "fsl,pq1-localbus"; + #address-cells = <2>; + #size-cells = <1>; + reg = <ff000100 40>; + + ranges = < + 1 0 ff080000 00008000 + 5 0 ff0a0000 00008000 + >; + + board-control@1,0 { + reg = <1 0 20 5 300 4>; + compatible = "fsl,mpc866ads-bcsr"; + }; + }; + + soc@ff000000 { #address-cells = <1>; #size-cells = <1>; device_type = "soc"; ranges = <0 ff000000 00100000>; reg = <ff000000 00000200>; bus-frequency = <0>; - mdio@e80 { - device_type = "mdio"; - compatible = "fs_enet"; - reg = <e80 8>; + + mdio@e00 { + compatible = "fsl,mpc866-fec-mdio", "fsl,pq1-fec-mdio"; + reg = <e00 188>; #address-cells = <1>; #size-cells = <0>; - phy: ethernet-phy@f { + PHY: ethernet-phy@f { reg = <f>; device_type = "ethernet-phy"; }; }; - fec@e00 { + ethernet@e00 { device_type = "network"; - compatible = "fs_enet"; - model = "FEC"; - device-id = <1>; + compatible = "fsl,mpc866-fec-enet", + "fsl,pq1-fec-enet"; reg = <e00 188>; - mac-address = [ 00 00 0C 00 01 FD ]; + local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <3 1>; - interrupt-parent = <&Mpc8xx_pic>; - phy-handle = <&Phy>; + interrupt-parent = <&PIC>; + phy-handle = <&PHY>; + linux,network-index = <0>; }; - mpc8xx_pic: pic@ff000000 { + PIC: pic@0 { interrupt-controller; - #address-cells = <0>; #interrupt-cells = <2>; reg = <0 24>; - device_type = "mpc8xx-pic"; - compatible = "CPM"; + compatible = "fsl,mpc866-pic", "fsl,pq1-pic"; }; - cpm@ff000000 { + cpm@9c0 { #address-cells = <1>; #size-cells = <1>; - device_type = "cpm"; - model = "CPM"; - ranges = <0 0 4000>; - reg = <860 f0>; - command-proc = <9c0>; + compatible = "fsl,mpc866-cpm", "fsl,cpm1"; + ranges; + reg = <9c0 40>; brg-frequency = <0>; interrupts = <0 2>; // cpm error interrupt - interrupt-parent = <&Cpm_pic>; + interrupt-parent = <&CPM_PIC>; - cpm_pic: pic@930 { + muram@2000 { + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 2000 2000>; + + data@0 { + compatible = "fsl,cpm-muram-data"; + reg = <0 1c00>; + }; + }; + + brg@9f0 { + compatible = "fsl,mpc866-brg", + "fsl,cpm1-brg", + "fsl,cpm-brg"; + reg = <9f0 10>; + clock-frequency = <0>; + }; + + CPM_PIC: pic@930 { interrupt-controller; #address-cells = <0>; - #interrupt-cells = <2>; + #interrupt-cells = <1>; interrupts = <5 2 0 2>; - interrupt-parent = <&Mpc8xx_pic>; + interrupt-parent = <&PIC>; reg = <930 20>; - device_type = "cpm-pic"; - compatible = "CPM"; + compatible = "fsl,mpc866-cpm-pic", + "fsl,cpm1-pic"; }; - smc@a80 { + + serial@a80 { device_type = "serial"; - compatible = "cpm_uart"; - model = "SMC"; - device-id = <1>; + compatible = "fsl,mpc866-smc-uart", + "fsl,cpm1-smc-uart"; reg = <a80 10 3e80 40>; - clock-setup = <00ffffff 0>; - rx-clock = <1>; - tx-clock = <1>; - current-speed = <0>; - interrupts = <4 3>; - interrupt-parent = <&Cpm_pic>; + interrupts = <4>; + interrupt-parent = <&CPM_PIC>; + fsl,cpm-brg = <1>; + fsl,cpm-command = <0090>; }; - smc@a90 { + serial@a90 { device_type = "serial"; - compatible = "cpm_uart"; - model = "SMC"; - device-id = <2>; - reg = <a90 20 3f80 40>; - clock-setup = <ff00ffff 90000>; - rx-clock = <2>; - tx-clock = <2>; - current-speed = <0>; - interrupts = <3 3>; - interrupt-parent = <&Cpm_pic>; + compatible = "fsl,mpc866-smc-uart", + "fsl,cpm1-smc-uart"; + reg = <a90 10 3f80 40>; + interrupts = <3>; + interrupt-parent = <&CPM_PIC>; + fsl,cpm-brg = <2>; + fsl,cpm-command = <00d0>; }; - scc@a00 { + ethernet@a00 { device_type = "network"; - compatible = "fs_enet"; - model = "SCC"; - device-id = <1>; - reg = <a00 18 3c00 80>; - mac-address = [ 00 00 0C 00 03 FD ]; - interrupts = <1e 3>; - interrupt-parent = <&Cpm_pic>; + compatible = "fsl,mpc866-scc-enet", + "fsl,cpm1-scc-enet"; + reg = <a00 18 3c00 100>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <1e>; + interrupt-parent = <&CPM_PIC>; + fsl,cpm-command = <0000>; + linux,network-index = <1>; }; }; }; + + chosen { + linux,stdout-path = "/soc/cpm/serial@a80"; + }; }; diff --git a/arch/powerpc/boot/ebony.c b/arch/powerpc/boot/ebony.c index 86c0f5df0a86..ee31be5e633e 100644 --- a/arch/powerpc/boot/ebony.c +++ b/arch/powerpc/boot/ebony.c @@ -146,6 +146,6 @@ void ebony_init(void *mac0, void *mac1) platform_ops.exit = ibm44x_dbcr_reset; ebony_mac0 = mac0; ebony_mac1 = mac1; - ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + fdt_init(_dtb_start); serial_console_init(); } diff --git a/arch/powerpc/boot/ep88xc.c b/arch/powerpc/boot/ep88xc.c index 6b87cdce3fe7..a400f5407155 100644 --- a/arch/powerpc/boot/ep88xc.c +++ b/arch/powerpc/boot/ep88xc.c @@ -45,7 +45,7 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, mem_size *= 1024 * 1024; simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64); - ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + fdt_init(_dtb_start); planetcore_set_stdout_path(table); diff --git a/arch/powerpc/boot/flatdevtree.c b/arch/powerpc/boot/flatdevtree.c deleted file mode 100644 index cf30675c6116..000000000000 --- a/arch/powerpc/boot/flatdevtree.c +++ /dev/null @@ -1,1036 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright Pantelis Antoniou 2006 - * Copyright (C) IBM Corporation 2006 - * - * Authors: Pantelis Antoniou <pantelis@embeddedalley.com> - * Hollis Blanchard <hollisb@us.ibm.com> - * Mark A. Greer <mgreer@mvista.com> - * Paul Mackerras <paulus@samba.org> - */ - -#include <string.h> -#include <stddef.h> -#include "flatdevtree.h" -#include "flatdevtree_env.h" - -#define _ALIGN(x, al) (((x) + (al) - 1) & ~((al) - 1)) - -static char *ft_root_node(struct ft_cxt *cxt) -{ - return cxt->rgn[FT_STRUCT].start; -} - -/* Routines for keeping node ptrs returned by ft_find_device current */ -/* First entry not used b/c it would return 0 and be taken as NULL/error */ -static void *ft_get_phandle(struct ft_cxt *cxt, char *node) -{ - unsigned int i; - - if (!node) - return NULL; - - for (i = 1; i < cxt->nodes_used; i++) /* already there? */ - if (cxt->node_tbl[i] == node) - return (void *)i; - - if (cxt->nodes_used < cxt->node_max) { - cxt->node_tbl[cxt->nodes_used] = node; - return (void *)cxt->nodes_used++; - } - - return NULL; -} - -static char *ft_node_ph2node(struct ft_cxt *cxt, const void *phandle) -{ - unsigned int i = (unsigned int)phandle; - - if (i < cxt->nodes_used) - return cxt->node_tbl[i]; - return NULL; -} - -static void ft_node_update_before(struct ft_cxt *cxt, char *addr, int shift) -{ - unsigned int i; - - if (shift == 0) - return; - - for (i = 1; i < cxt->nodes_used; i++) - if (cxt->node_tbl[i] < addr) - cxt->node_tbl[i] += shift; -} - -static void ft_node_update_after(struct ft_cxt *cxt, char *addr, int shift) -{ - unsigned int i; - - if (shift == 0) - return; - - for (i = 1; i < cxt->nodes_used; i++) - if (cxt->node_tbl[i] >= addr) - cxt->node_tbl[i] += shift; -} - -/* Struct used to return info from ft_next() */ -struct ft_atom { - u32 tag; - const char *name; - void *data; - u32 size; -}; - -/* Set ptrs to current one's info; return addr of next one */ -static char *ft_next(struct ft_cxt *cxt, char *p, struct ft_atom *ret) -{ - u32 sz; - - if (p >= cxt->rgn[FT_STRUCT].start + cxt->rgn[FT_STRUCT].size) - return NULL; - - ret->tag = be32_to_cpu(*(u32 *) p); - p += 4; - - switch (ret->tag) { /* Tag */ - case OF_DT_BEGIN_NODE: - ret->name = p; - ret->data = (void *)(p - 4); /* start of node */ - p += _ALIGN(strlen(p) + 1, 4); - break; - case OF_DT_PROP: - ret->size = sz = be32_to_cpu(*(u32 *) p); - ret->name = cxt->str_anchor + be32_to_cpu(*(u32 *) (p + 4)); - ret->data = (void *)(p + 8); - p += 8 + _ALIGN(sz, 4); - break; - case OF_DT_END_NODE: - case OF_DT_NOP: - break; - case OF_DT_END: - default: - p = NULL; - break; - } - - return p; -} - -#define HDR_SIZE _ALIGN(sizeof(struct boot_param_header), 8) -#define EXPAND_INCR 1024 /* alloc this much extra when expanding */ - -/* Copy the tree to a newly-allocated region and put things in order */ -static int ft_reorder(struct ft_cxt *cxt, int nextra) -{ - unsigned long tot; - enum ft_rgn_id r; - char *p, *pend; - int stroff; - - tot = HDR_SIZE + EXPAND_INCR; - for (r = FT_RSVMAP; r <= FT_STRINGS; ++r) - tot += cxt->rgn[r].size; - if (nextra > 0) - tot += nextra; - tot = _ALIGN(tot, 8); - - if (!cxt->realloc) - return 0; - p = cxt->realloc(NULL, tot); - if (!p) - return 0; - - memcpy(p, cxt->bph, sizeof(struct boot_param_header)); - /* offsets get fixed up later */ - - cxt->bph = (struct boot_param_header *)p; - cxt->max_size = tot; - pend = p + tot; - p += HDR_SIZE; - - memcpy(p, cxt->rgn[FT_RSVMAP].start, cxt->rgn[FT_RSVMAP].size); - cxt->rgn[FT_RSVMAP].start = p; - p += cxt->rgn[FT_RSVMAP].size; - - memcpy(p, cxt->rgn[FT_STRUCT].start, cxt->rgn[FT_STRUCT].size); - ft_node_update_after(cxt, cxt->rgn[FT_STRUCT].start, - p - cxt->rgn[FT_STRUCT].start); - cxt->p += p - cxt->rgn[FT_STRUCT].start; - cxt->rgn[FT_STRUCT].start = p; - - p = pend - cxt->rgn[FT_STRINGS].size; - memcpy(p, cxt->rgn[FT_STRINGS].start, cxt->rgn[FT_STRINGS].size); - stroff = cxt->str_anchor - cxt->rgn[FT_STRINGS].start; - cxt->rgn[FT_STRINGS].start = p; - cxt->str_anchor = p + stroff; - - cxt->isordered = 1; - return 1; -} - -static inline char *prev_end(struct ft_cxt *cxt, enum ft_rgn_id r) -{ - if (r > FT_RSVMAP) - return cxt->rgn[r - 1].start + cxt->rgn[r - 1].size; - return (char *)cxt->bph + HDR_SIZE; -} - -static inline char *next_start(struct ft_cxt *cxt, enum ft_rgn_id r) -{ - if (r < FT_STRINGS) - return cxt->rgn[r + 1].start; - return (char *)cxt->bph + cxt->max_size; -} - -/* - * See if we can expand region rgn by nextra bytes by using up - * free space after or before the region. - */ -static int ft_shuffle(struct ft_cxt *cxt, char **pp, enum ft_rgn_id rgn, - int nextra) -{ - char *p = *pp; - char *rgn_start, *rgn_end; - - rgn_start = cxt->rgn[rgn].start; - rgn_end = rgn_start + cxt->rgn[rgn].size; - if (nextra <= 0 || rgn_end + nextra <= next_start(cxt, rgn)) { - /* move following stuff */ - if (p < rgn_end) { - if (nextra < 0) - memmove(p, p - nextra, rgn_end - p + nextra); - else - memmove(p + nextra, p, rgn_end - p); - if (rgn == FT_STRUCT) - ft_node_update_after(cxt, p, nextra); - } - cxt->rgn[rgn].size += nextra; - if (rgn == FT_STRINGS) - /* assumes strings only added at beginning */ - cxt->str_anchor += nextra; - return 1; - } - if (prev_end(cxt, rgn) <= rgn_start - nextra) { - /* move preceding stuff */ - if (p > rgn_start) { - memmove(rgn_start - nextra, rgn_start, p - rgn_start); - if (rgn == FT_STRUCT) - ft_node_update_before(cxt, p, -nextra); - } - *pp -= nextra; - cxt->rgn[rgn].start -= nextra; - cxt->rgn[rgn].size += nextra; - return 1; - } - return 0; -} - -static int ft_make_space(struct ft_cxt *cxt, char **pp, enum ft_rgn_id rgn, - int nextra) -{ - unsigned long size, ssize, tot; - char *str, *next; - enum ft_rgn_id r; - - if (!cxt->isordered) { - unsigned long rgn_off = *pp - cxt->rgn[rgn].start; - - if (!ft_reorder(cxt, nextra)) - return 0; - - *pp = cxt->rgn[rgn].start + rgn_off; - } - if (ft_shuffle(cxt, pp, rgn, nextra)) - return 1; - - /* See if there is space after the strings section */ - ssize = cxt->rgn[FT_STRINGS].size; - if (cxt->rgn[FT_STRINGS].start + ssize - < (char *)cxt->bph + cxt->max_size) { - /* move strings up as far as possible */ - str = (char *)cxt->bph + cxt->max_size - ssize; - cxt->str_anchor += str - cxt->rgn[FT_STRINGS].start; - memmove(str, cxt->rgn[FT_STRINGS].start, ssize); - cxt->rgn[FT_STRINGS].start = str; - /* enough space now? */ - if (rgn >= FT_STRUCT && ft_shuffle(cxt, pp, rgn, nextra)) - return 1; - } - - /* how much total free space is there following this region? */ - tot = 0; - for (r = rgn; r < FT_STRINGS; ++r) { - char *r_end = cxt->rgn[r].start + cxt->rgn[r].size; - tot += next_start(cxt, rgn) - r_end; - } - - /* cast is to shut gcc up; we know nextra >= 0 */ - if (tot < (unsigned int)nextra) { - /* have to reallocate */ - char *newp, *new_start; - int shift; - - if (!cxt->realloc) - return 0; - size = _ALIGN(cxt->max_size + (nextra - tot) + EXPAND_INCR, 8); - newp = cxt->realloc(cxt->bph, size); - if (!newp) - return 0; - cxt->max_size = size; - shift = newp - (char *)cxt->bph; - - if (shift) { /* realloc can return same addr */ - cxt->bph = (struct boot_param_header *)newp; - ft_node_update_after(cxt, cxt->rgn[FT_STRUCT].start, - shift); - for (r = FT_RSVMAP; r <= FT_STRINGS; ++r) { - new_start = cxt->rgn[r].start + shift; - cxt->rgn[r].start = new_start; - } - *pp += shift; - cxt->str_anchor += shift; - } - - /* move strings up to the end */ - str = newp + size - ssize; - cxt->str_anchor += str - cxt->rgn[FT_STRINGS].start; - memmove(str, cxt->rgn[FT_STRINGS].start, ssize); - cxt->rgn[FT_STRINGS].start = str; - - if (ft_shuffle(cxt, pp, rgn, nextra)) - return 1; - } - - /* must be FT_RSVMAP and we need to move FT_STRUCT up */ - if (rgn == FT_RSVMAP) { - next = cxt->rgn[FT_RSVMAP].start + cxt->rgn[FT_RSVMAP].size - + nextra; - ssize = cxt->rgn[FT_STRUCT].size; - if (next + ssize >= cxt->rgn[FT_STRINGS].start) - return 0; /* "can't happen" */ - memmove(next, cxt->rgn[FT_STRUCT].start, ssize); - ft_node_update_after(cxt, cxt->rgn[FT_STRUCT].start, nextra); - cxt->rgn[FT_STRUCT].start = next; - - if (ft_shuffle(cxt, pp, rgn, nextra)) - return 1; - } - - return 0; /* "can't happen" */ -} - -static void ft_put_word(struct ft_cxt *cxt, u32 v) -{ - *(u32 *) cxt->p = cpu_to_be32(v); - cxt->p += 4; -} - -static void ft_put_bin(struct ft_cxt *cxt, const void *data, unsigned int sz) -{ - unsigned long sza = _ALIGN(sz, 4); - - /* zero out the alignment gap if necessary */ - if (sz < sza) - *(u32 *) (cxt->p + sza - 4) = 0; - - /* copy in the data */ - memcpy(cxt->p, data, sz); - - cxt->p += sza; -} - -char *ft_begin_node(struct ft_cxt *cxt, const char *name) -{ - unsigned long nlen = strlen(name) + 1; - unsigned long len = 8 + _ALIGN(nlen, 4); - char *ret; - - if (!ft_make_space(cxt, &cxt->p, FT_STRUCT, len)) - return NULL; - - ret = cxt->p; - - ft_put_word(cxt, OF_DT_BEGIN_NODE); - ft_put_bin(cxt, name, strlen(name) + 1); - - return ret; -} - -void ft_end_node(struct ft_cxt *cxt) -{ - ft_put_word(cxt, OF_DT_END_NODE); -} - -void ft_nop(struct ft_cxt *cxt) -{ - if (ft_make_space(cxt, &cxt->p, FT_STRUCT, 4)) - ft_put_word(cxt, OF_DT_NOP); -} - -#define NO_STRING 0x7fffffff - -static int lookup_string(struct ft_cxt *cxt, const char *name) -{ - char *p, *end; - - p = cxt->rgn[FT_STRINGS].start; - end = p + cxt->rgn[FT_STRINGS].size; - while (p < end) { - if (strcmp(p, (char *)name) == 0) - return p - cxt->str_anchor; - p += strlen(p) + 1; - } - - return NO_STRING; -} - -/* lookup string and insert if not found */ -static int map_string(struct ft_cxt *cxt, const char *name) -{ - int off; - char *p; - - off = lookup_string(cxt, name); - if (off != NO_STRING) - return off; - p = cxt->rgn[FT_STRINGS].start; - if (!ft_make_space(cxt, &p, FT_STRINGS, strlen(name) + 1)) - return NO_STRING; - strcpy(p, name); - return p - cxt->str_anchor; -} - -int ft_prop(struct ft_cxt *cxt, const char *name, const void *data, - unsigned int sz) -{ - int off, len; - - off = map_string(cxt, name); - if (off == NO_STRING) - return -1; - - len = 12 + _ALIGN(sz, 4); - if (!ft_make_space(cxt, &cxt->p, FT_STRUCT, len)) - return -1; - - ft_put_word(cxt, OF_DT_PROP); - ft_put_word(cxt, sz); - ft_put_word(cxt, off); - ft_put_bin(cxt, data, sz); - return 0; -} - -int ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str) -{ - return ft_prop(cxt, name, str, strlen(str) + 1); -} - -int ft_prop_int(struct ft_cxt *cxt, const char *name, unsigned int val) -{ - u32 v = cpu_to_be32((u32) val); - - return ft_prop(cxt, name, &v, 4); -} - -/* Calculate the size of the reserved map */ -static unsigned long rsvmap_size(struct ft_cxt *cxt) -{ - struct ft_reserve *res; - - res = (struct ft_reserve *)cxt->rgn[FT_RSVMAP].start; - while (res->start || res->len) - ++res; - return (char *)(res + 1) - cxt->rgn[FT_RSVMAP].start; -} - -/* Calculate the size of the struct region by stepping through it */ -static unsigned long struct_size(struct ft_cxt *cxt) -{ - char *p = cxt->rgn[FT_STRUCT].start; - char *next; - struct ft_atom atom; - - /* make check in ft_next happy */ - if (cxt->rgn[FT_STRUCT].size == 0) - cxt->rgn[FT_STRUCT].size = 0xfffffffful - (unsigned long)p; - - while ((next = ft_next(cxt, p, &atom)) != NULL) - p = next; - return p + 4 - cxt->rgn[FT_STRUCT].start; -} - -/* add `adj' on to all string offset values in the struct area */ -static void adjust_string_offsets(struct ft_cxt *cxt, int adj) -{ - char *p = cxt->rgn[FT_STRUCT].start; - char *next; - struct ft_atom atom; - int off; - - while ((next = ft_next(cxt, p, &atom)) != NULL) { - if (atom.tag == OF_DT_PROP) { - off = be32_to_cpu(*(u32 *) (p + 8)); - *(u32 *) (p + 8) = cpu_to_be32(off + adj); - } - p = next; - } -} - -/* start construction of the flat OF tree from scratch */ -void ft_begin(struct ft_cxt *cxt, void *blob, unsigned int max_size, - void *(*realloc_fn) (void *, unsigned long)) -{ - struct boot_param_header *bph = blob; - char *p; - struct ft_reserve *pres; - - /* clear the cxt */ - memset(cxt, 0, sizeof(*cxt)); - - cxt->bph = bph; - cxt->max_size = max_size; - cxt->realloc = realloc_fn; - cxt->isordered = 1; - - /* zero everything in the header area */ - memset(bph, 0, sizeof(*bph)); - - bph->magic = cpu_to_be32(OF_DT_HEADER); - bph->version = cpu_to_be32(0x10); - bph->last_comp_version = cpu_to_be32(0x10); - - /* start pointers */ - cxt->rgn[FT_RSVMAP].start = p = blob + HDR_SIZE; - cxt->rgn[FT_RSVMAP].size = sizeof(struct ft_reserve); - pres = (struct ft_reserve *)p; - cxt->rgn[FT_STRUCT].start = p += sizeof(struct ft_reserve); - cxt->rgn[FT_STRUCT].size = 4; - cxt->rgn[FT_STRINGS].start = blob + max_size; - cxt->rgn[FT_STRINGS].size = 0; - - /* init rsvmap and struct */ - pres->start = 0; - pres->len = 0; - *(u32 *) p = cpu_to_be32(OF_DT_END); - - cxt->str_anchor = blob; -} - -/* open up an existing blob to be examined or modified */ -int ft_open(struct ft_cxt *cxt, void *blob, unsigned int max_size, - unsigned int max_find_device, - void *(*realloc_fn) (void *, unsigned long)) -{ - struct boot_param_header *bph = blob; - - /* can't cope with version < 16 */ - if (be32_to_cpu(bph->version) < 16) - return -1; - - /* clear the cxt */ - memset(cxt, 0, sizeof(*cxt)); - - /* alloc node_tbl to track node ptrs returned by ft_find_device */ - ++max_find_device; - cxt->node_tbl = realloc_fn(NULL, max_find_device * sizeof(char *)); - if (!cxt->node_tbl) - return -1; - memset(cxt->node_tbl, 0, max_find_device * sizeof(char *)); - cxt->node_max = max_find_device; - cxt->nodes_used = 1; /* don't use idx 0 b/c looks like NULL */ - - cxt->bph = bph; - cxt->max_size = max_size; - cxt->realloc = realloc_fn; - - cxt->rgn[FT_RSVMAP].start = blob + be32_to_cpu(bph->off_mem_rsvmap); - cxt->rgn[FT_RSVMAP].size = rsvmap_size(cxt); - cxt->rgn[FT_STRUCT].start = blob + be32_to_cpu(bph->off_dt_struct); - cxt->rgn[FT_STRUCT].size = struct_size(cxt); - cxt->rgn[FT_STRINGS].start = blob + be32_to_cpu(bph->off_dt_strings); - cxt->rgn[FT_STRINGS].size = be32_to_cpu(bph->dt_strings_size); - - cxt->p = cxt->rgn[FT_STRUCT].start; - cxt->str_anchor = cxt->rgn[FT_STRINGS].start; - - return 0; -} - -/* add a reserver physical area to the rsvmap */ -int ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size) -{ - char *p; - struct ft_reserve *pres; - - p = cxt->rgn[FT_RSVMAP].start + cxt->rgn[FT_RSVMAP].size - - sizeof(struct ft_reserve); - if (!ft_make_space(cxt, &p, FT_RSVMAP, sizeof(struct ft_reserve))) - return -1; - - pres = (struct ft_reserve *)p; - pres->start = cpu_to_be64(physaddr); - pres->len = cpu_to_be64(size); - - return 0; -} - -void ft_begin_tree(struct ft_cxt *cxt) -{ - cxt->p = ft_root_node(cxt); -} - -void ft_end_tree(struct ft_cxt *cxt) -{ - struct boot_param_header *bph = cxt->bph; - char *p, *oldstr, *str, *endp; - unsigned long ssize; - int adj; - - if (!cxt->isordered) - return; /* we haven't touched anything */ - - /* adjust string offsets */ - oldstr = cxt->rgn[FT_STRINGS].start; - adj = cxt->str_anchor - oldstr; - if (adj) - adjust_string_offsets(cxt, adj); - - /* make strings end on 8-byte boundary */ - ssize = cxt->rgn[FT_STRINGS].size; - endp = (char *)_ALIGN((unsigned long)cxt->rgn[FT_STRUCT].start - + cxt->rgn[FT_STRUCT].size + ssize, 8); - str = endp - ssize; - - /* move strings down to end of structs */ - memmove(str, oldstr, ssize); - cxt->str_anchor = str; - cxt->rgn[FT_STRINGS].start = str; - - /* fill in header fields */ - p = (char *)bph; - bph->totalsize = cpu_to_be32(endp - p); - bph->off_mem_rsvmap = cpu_to_be32(cxt->rgn[FT_RSVMAP].start - p); - bph->off_dt_struct = cpu_to_be32(cxt->rgn[FT_STRUCT].start - p); - bph->off_dt_strings = cpu_to_be32(cxt->rgn[FT_STRINGS].start - p); - bph->dt_strings_size = cpu_to_be32(ssize); -} - -void *ft_find_device(struct ft_cxt *cxt, const void *top, const char *srch_path) -{ - char *node; - - if (top) { - node = ft_node_ph2node(cxt, top); - if (node == NULL) - return NULL; - } else { - node = ft_root_node(cxt); - } - - node = ft_find_descendent(cxt, node, srch_path); - return ft_get_phandle(cxt, node); -} - -void *ft_find_descendent(struct ft_cxt *cxt, void *top, const char *srch_path) -{ - struct ft_atom atom; - char *p; - const char *cp, *q; - int cl; - int depth = -1; - int dmatch = 0; - const char *path_comp[FT_MAX_DEPTH]; - - cp = srch_path; - cl = 0; - p = top; - - while ((p = ft_next(cxt, p, &atom)) != NULL) { - switch (atom.tag) { - case OF_DT_BEGIN_NODE: - ++depth; - if (depth != dmatch) - break; - cxt->genealogy[depth] = atom.data; - cxt->genealogy[depth + 1] = NULL; - if (depth && !(strncmp(atom.name, cp, cl) == 0 - && (atom.name[cl] == '/' - || atom.name[cl] == '\0' - || atom.name[cl] == '@'))) - break; - path_comp[dmatch] = cp; - /* it matches so far, advance to next path component */ - cp += cl; - /* skip slashes */ - while (*cp == '/') - ++cp; - /* we're done if this is the end of the string */ - if (*cp == 0) - return atom.data; - /* look for end of this component */ - q = strchr(cp, '/'); - if (q) - cl = q - cp; - else - cl = strlen(cp); - ++dmatch; - break; - case OF_DT_END_NODE: - if (depth == 0) - return NULL; - if (dmatch > depth) { - --dmatch; - cl = cp - path_comp[dmatch] - 1; - cp = path_comp[dmatch]; - while (cl > 0 && cp[cl - 1] == '/') - --cl; - } - --depth; - break; - } - } - return NULL; -} - -void *__ft_get_parent(struct ft_cxt *cxt, void *node) -{ - int d; - struct ft_atom atom; - char *p; - - for (d = 0; cxt->genealogy[d] != NULL; ++d) - if (cxt->genealogy[d] == node) - return d > 0 ? cxt->genealogy[d - 1] : NULL; - - /* have to do it the hard way... */ - p = ft_root_node(cxt); - d = 0; - while ((p = ft_next(cxt, p, &atom)) != NULL) { - switch (atom.tag) { - case OF_DT_BEGIN_NODE: - cxt->genealogy[d] = atom.data; - if (node == atom.data) { - /* found it */ - cxt->genealogy[d + 1] = NULL; - return d > 0 ? cxt->genealogy[d - 1] : NULL; - } - ++d; - break; - case OF_DT_END_NODE: - --d; - break; - } - } - return NULL; -} - -void *ft_get_parent(struct ft_cxt *cxt, const void *phandle) -{ - void *node = ft_node_ph2node(cxt, phandle); - if (node == NULL) - return NULL; - - node = __ft_get_parent(cxt, node); - return ft_get_phandle(cxt, node); -} - -static const void *__ft_get_prop(struct ft_cxt *cxt, void *node, - const char *propname, unsigned int *len) -{ - struct ft_atom atom; - int depth = 0; - - while ((node = ft_next(cxt, node, &atom)) != NULL) { - switch (atom.tag) { - case OF_DT_BEGIN_NODE: - ++depth; - break; - - case OF_DT_PROP: - if (depth != 1 || strcmp(atom.name, propname)) - break; - - if (len) - *len = atom.size; - - return atom.data; - - case OF_DT_END_NODE: - if (--depth <= 0) - return NULL; - } - } - - return NULL; -} - -int ft_get_prop(struct ft_cxt *cxt, const void *phandle, const char *propname, - void *buf, const unsigned int buflen) -{ - const void *data; - unsigned int size; - - void *node = ft_node_ph2node(cxt, phandle); - if (!node) - return -1; - - data = __ft_get_prop(cxt, node, propname, &size); - if (data) { - unsigned int clipped_size = min(size, buflen); - memcpy(buf, data, clipped_size); - return size; - } - - return -1; -} - -void *__ft_find_node_by_prop_value(struct ft_cxt *cxt, void *prev, - const char *propname, const char *propval, - unsigned int proplen) -{ - struct ft_atom atom; - char *p = ft_root_node(cxt); - char *next; - int past_prev = prev ? 0 : 1; - int depth = -1; - - while ((next = ft_next(cxt, p, &atom)) != NULL) { - const void *data; - unsigned int size; - - switch (atom.tag) { - case OF_DT_BEGIN_NODE: - depth++; - - if (prev == p) { - past_prev = 1; - break; - } - - if (!past_prev || depth < 1) - break; - - data = __ft_get_prop(cxt, p, propname, &size); - if (!data || size != proplen) - break; - if (memcmp(data, propval, size)) - break; - - return p; - - case OF_DT_END_NODE: - if (depth-- == 0) - return NULL; - - break; - } - - p = next; - } - - return NULL; -} - -void *ft_find_node_by_prop_value(struct ft_cxt *cxt, const void *prev, - const char *propname, const char *propval, - int proplen) -{ - void *node = NULL; - - if (prev) { - node = ft_node_ph2node(cxt, prev); - - if (!node) - return NULL; - } - - node = __ft_find_node_by_prop_value(cxt, node, propname, - propval, proplen); - return ft_get_phandle(cxt, node); -} - -int ft_set_prop(struct ft_cxt *cxt, const void *phandle, const char *propname, - const void *buf, const unsigned int buflen) -{ - struct ft_atom atom; - void *node; - char *p, *next; - int nextra; - - node = ft_node_ph2node(cxt, phandle); - if (node == NULL) - return -1; - - next = ft_next(cxt, node, &atom); - if (atom.tag != OF_DT_BEGIN_NODE) - /* phandle didn't point to a node */ - return -1; - p = next; - - while ((next = ft_next(cxt, p, &atom)) != NULL) { - switch (atom.tag) { - case OF_DT_BEGIN_NODE: /* properties must go before subnodes */ - case OF_DT_END_NODE: - /* haven't found the property, insert here */ - cxt->p = p; - return ft_prop(cxt, propname, buf, buflen); - case OF_DT_PROP: - if (strcmp(atom.name, propname)) - break; - /* found an existing property, overwrite it */ - nextra = _ALIGN(buflen, 4) - _ALIGN(atom.size, 4); - cxt->p = atom.data; - if (nextra && !ft_make_space(cxt, &cxt->p, FT_STRUCT, - nextra)) - return -1; - *(u32 *) (cxt->p - 8) = cpu_to_be32(buflen); - ft_put_bin(cxt, buf, buflen); - return 0; - } - p = next; - } - return -1; -} - -int ft_del_prop(struct ft_cxt *cxt, const void *phandle, const char *propname) -{ - struct ft_atom atom; - void *node; - char *p, *next; - int size; - - node = ft_node_ph2node(cxt, phandle); - if (node == NULL) - return -1; - - p = node; - while ((next = ft_next(cxt, p, &atom)) != NULL) { - switch (atom.tag) { - case OF_DT_BEGIN_NODE: - case OF_DT_END_NODE: - return -1; - case OF_DT_PROP: - if (strcmp(atom.name, propname)) - break; - /* found the property, remove it */ - size = 12 + -_ALIGN(atom.size, 4); - cxt->p = p; - if (!ft_make_space(cxt, &cxt->p, FT_STRUCT, -size)) - return -1; - return 0; - } - p = next; - } - return -1; -} - -void *ft_create_node(struct ft_cxt *cxt, const void *parent, const char *name) -{ - struct ft_atom atom; - char *p, *next, *ret; - int depth = 0; - - if (parent) { - p = ft_node_ph2node(cxt, parent); - if (!p) - return NULL; - } else { - p = ft_root_node(cxt); - } - - while ((next = ft_next(cxt, p, &atom)) != NULL) { - switch (atom.tag) { - case OF_DT_BEGIN_NODE: - ++depth; - if (depth == 1 && strcmp(atom.name, name) == 0) - /* duplicate node name, return error */ - return NULL; - break; - case OF_DT_END_NODE: - --depth; - if (depth > 0) - break; - /* end of node, insert here */ - cxt->p = p; - ret = ft_begin_node(cxt, name); - ft_end_node(cxt); - return ft_get_phandle(cxt, ret); - } - p = next; - } - return NULL; -} - -/* Returns the start of the path within the provided buffer, or NULL on - * error. - */ -char *ft_get_path(struct ft_cxt *cxt, const void *phandle, - char *buf, int len) -{ - const char *path_comp[FT_MAX_DEPTH]; - struct ft_atom atom; - char *p, *next, *pos; - int depth = 0, i; - void *node; - - node = ft_node_ph2node(cxt, phandle); - if (node == NULL) - return NULL; - - p = ft_root_node(cxt); - - while ((next = ft_next(cxt, p, &atom)) != NULL) { - switch (atom.tag) { - case OF_DT_BEGIN_NODE: - path_comp[depth++] = atom.name; - if (p == node) - goto found; - - break; - - case OF_DT_END_NODE: - if (--depth == 0) - return NULL; - } - - p = next; - } - -found: - pos = buf; - for (i = 1; i < depth; i++) { - int this_len; - - if (len <= 1) - return NULL; - - *pos++ = '/'; - len--; - - strncpy(pos, path_comp[i], len); - - if (pos[len - 1] != 0) - return NULL; - - this_len = strlen(pos); - len -= this_len; - pos += this_len; - } - - return buf; -} diff --git a/arch/powerpc/boot/flatdevtree.h b/arch/powerpc/boot/flatdevtree.h deleted file mode 100644 index b0957a2d967f..000000000000 --- a/arch/powerpc/boot/flatdevtree.h +++ /dev/null @@ -1,113 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ - -#ifndef FLATDEVTREE_H -#define FLATDEVTREE_H - -#include "flatdevtree_env.h" - -/* Definitions used by the flattened device tree */ -#define OF_DT_HEADER 0xd00dfeed /* marker */ -#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ -#define OF_DT_END_NODE 0x2 /* End node */ -#define OF_DT_PROP 0x3 /* Property: name off, size, content */ -#define OF_DT_NOP 0x4 /* nop */ -#define OF_DT_END 0x9 - -#define OF_DT_VERSION 0x10 - -struct boot_param_header { - u32 magic; /* magic word OF_DT_HEADER */ - u32 totalsize; /* total size of DT block */ - u32 off_dt_struct; /* offset to structure */ - u32 off_dt_strings; /* offset to strings */ - u32 off_mem_rsvmap; /* offset to memory reserve map */ - u32 version; /* format version */ - u32 last_comp_version; /* last compatible version */ - /* version 2 fields below */ - u32 boot_cpuid_phys; /* Physical CPU id we're booting on */ - /* version 3 fields below */ - u32 dt_strings_size; /* size of the DT strings block */ -}; - -struct ft_reserve { - u64 start; - u64 len; -}; - -struct ft_region { - char *start; - unsigned long size; -}; - -enum ft_rgn_id { - FT_RSVMAP, - FT_STRUCT, - FT_STRINGS, - FT_N_REGION -}; - -#define FT_MAX_DEPTH 50 - -struct ft_cxt { - struct boot_param_header *bph; - int max_size; /* maximum size of tree */ - int isordered; /* everything in standard order */ - void *(*realloc)(void *, unsigned long); - char *str_anchor; - char *p; /* current insertion point in structs */ - struct ft_region rgn[FT_N_REGION]; - void *genealogy[FT_MAX_DEPTH+1]; - char **node_tbl; - unsigned int node_max; - unsigned int nodes_used; -}; - -char *ft_begin_node(struct ft_cxt *cxt, const char *name); -void ft_end_node(struct ft_cxt *cxt); - -void ft_begin_tree(struct ft_cxt *cxt); -void ft_end_tree(struct ft_cxt *cxt); - -void ft_nop(struct ft_cxt *cxt); -int ft_prop(struct ft_cxt *cxt, const char *name, - const void *data, unsigned int sz); -int ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str); -int ft_prop_int(struct ft_cxt *cxt, const char *name, unsigned int val); -void ft_begin(struct ft_cxt *cxt, void *blob, unsigned int max_size, - void *(*realloc_fn)(void *, unsigned long)); -int ft_open(struct ft_cxt *cxt, void *blob, unsigned int max_size, - unsigned int max_find_device, - void *(*realloc_fn)(void *, unsigned long)); -int ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size); - -void ft_dump_blob(const void *bphp); -void ft_merge_blob(struct ft_cxt *cxt, void *blob); -void *ft_find_device(struct ft_cxt *cxt, const void *top, - const char *srch_path); -void *ft_find_descendent(struct ft_cxt *cxt, void *top, const char *srch_path); -int ft_get_prop(struct ft_cxt *cxt, const void *phandle, const char *propname, - void *buf, const unsigned int buflen); -int ft_set_prop(struct ft_cxt *cxt, const void *phandle, const char *propname, - const void *buf, const unsigned int buflen); -void *ft_get_parent(struct ft_cxt *cxt, const void *phandle); -void *ft_find_node_by_prop_value(struct ft_cxt *cxt, const void *prev, - const char *propname, const char *propval, - int proplen); -void *ft_create_node(struct ft_cxt *cxt, const void *parent, const char *name); -char *ft_get_path(struct ft_cxt *cxt, const void *phandle, char *buf, int len); - -#endif /* FLATDEVTREE_H */ diff --git a/arch/powerpc/boot/flatdevtree_misc.c b/arch/powerpc/boot/flatdevtree_misc.c deleted file mode 100644 index b3670096fa71..000000000000 --- a/arch/powerpc/boot/flatdevtree_misc.c +++ /dev/null @@ -1,79 +0,0 @@ -/* - * This file does the necessary interface mapping between the bootwrapper - * device tree operations and the interface provided by shared source - * files flatdevicetree.[ch]. - * - * Author: Mark A. Greer <mgreer@mvista.com> - * - * 2006 (c) MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ -#include <stddef.h> -#include "flatdevtree.h" -#include "ops.h" - -static struct ft_cxt cxt; - -static void *fdtm_finddevice(const char *name) -{ - return ft_find_device(&cxt, NULL, name); -} - -static int fdtm_getprop(const void *phandle, const char *propname, - void *buf, const int buflen) -{ - return ft_get_prop(&cxt, phandle, propname, buf, buflen); -} - -static int fdtm_setprop(const void *phandle, const char *propname, - const void *buf, const int buflen) -{ - return ft_set_prop(&cxt, phandle, propname, buf, buflen); -} - -static void *fdtm_get_parent(const void *phandle) -{ - return ft_get_parent(&cxt, phandle); -} - -static void *fdtm_create_node(const void *phandle, const char *name) -{ - return ft_create_node(&cxt, phandle, name); -} - -static void *fdtm_find_node_by_prop_value(const void *prev, - const char *propname, - const char *propval, - int proplen) -{ - return ft_find_node_by_prop_value(&cxt, prev, propname, - propval, proplen); -} - -static unsigned long fdtm_finalize(void) -{ - ft_end_tree(&cxt); - return (unsigned long)cxt.bph; -} - -static char *fdtm_get_path(const void *phandle, char *buf, int len) -{ - return ft_get_path(&cxt, phandle, buf, len); -} - -int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device) -{ - dt_ops.finddevice = fdtm_finddevice; - dt_ops.getprop = fdtm_getprop; - dt_ops.setprop = fdtm_setprop; - dt_ops.get_parent = fdtm_get_parent; - dt_ops.create_node = fdtm_create_node; - dt_ops.find_node_by_prop_value = fdtm_find_node_by_prop_value; - dt_ops.finalize = fdtm_finalize; - dt_ops.get_path = fdtm_get_path; - - return ft_open(&cxt, dt_blob, max_size, max_find_device, - platform_ops.realloc); -} diff --git a/arch/powerpc/boot/holly.c b/arch/powerpc/boot/holly.c index 199e783aea4d..58013b923178 100644 --- a/arch/powerpc/boot/holly.c +++ b/arch/powerpc/boot/holly.c @@ -28,6 +28,6 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5) u32 heapsize = 0x8000000 - (u32)_end; /* 128M */ simple_alloc_init(_end, heapsize, 32, 64); - ft_init(_dtb_start, 0, 4); + fdt_init(_dtb_start); serial_console_init(); } diff --git a/arch/powerpc/boot/libfdt-wrapper.c b/arch/powerpc/boot/libfdt-wrapper.c new file mode 100644 index 000000000000..97af36c224bd --- /dev/null +++ b/arch/powerpc/boot/libfdt-wrapper.c @@ -0,0 +1,184 @@ +/* + * This file does the necessary interface mapping between the bootwrapper + * device tree operations and the interface provided by shared source + * files flatdevicetree.[ch]. + * + * Copyright 2007 David Gibson, IBM Corporation. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include <stddef.h> +#include <stdio.h> +#include <page.h> +#include <libfdt.h> +#include "ops.h" + +#define DEBUG 0 +#define BAD_ERROR(err) (((err) < 0) \ + && ((err) != -FDT_ERR_NOTFOUND) \ + && ((err) != -FDT_ERR_EXISTS)) + +#define check_err(err) \ + ({ \ + if (BAD_ERROR(err) || ((err < 0) && DEBUG)) \ + printf("%s():%d %s\n\r", __FUNCTION__, __LINE__, \ + fdt_strerror(err)); \ + if (BAD_ERROR(err)) \ + exit(); \ + (err < 0) ? -1 : 0; \ + }) + +#define offset_devp(off) \ + ({ \ + int _offset = (off); \ + check_err(_offset) ? NULL : (void *)(_offset+1); \ + }) + +#define devp_offset_find(devp) (((int)(devp))-1) +#define devp_offset(devp) (devp ? ((int)(devp))-1 : 0) + +static void *fdt; +static void *buf; /* = NULL */ + +#define EXPAND_GRANULARITY 1024 + +static void expand_buf(int minexpand) +{ + int size = fdt_totalsize(fdt); + int rc; + + size = _ALIGN(size + minexpand, EXPAND_GRANULARITY); + buf = platform_ops.realloc(buf, size); + if (!buf) + fatal("Couldn't find %d bytes to expand device tree\n\r", size); + rc = fdt_open_into(fdt, buf, size); + if (rc != 0) + fatal("Couldn't expand fdt into new buffer: %s\n\r", + fdt_strerror(rc)); + + fdt = buf; +} + +static void *fdt_wrapper_finddevice(const char *path) +{ + return offset_devp(fdt_path_offset(fdt, path)); +} + +static int fdt_wrapper_getprop(const void *devp, const char *name, + void *buf, const int buflen) +{ + const void *p; + int len; + + p = fdt_getprop(fdt, devp_offset(devp), name, &len); + if (!p) + return check_err(len); + memcpy(buf, p, min(len, buflen)); + return len; +} + +static int fdt_wrapper_setprop(const void *devp, const char *name, + const void *buf, const int len) +{ + int rc; + + rc = fdt_setprop(fdt, devp_offset(devp), name, buf, len); + if (rc == -FDT_ERR_NOSPACE) { + expand_buf(len + 16); + rc = fdt_setprop(fdt, devp_offset(devp), name, buf, len); + } + + return check_err(rc); +} + +static void *fdt_wrapper_get_parent(const void *devp) +{ + return offset_devp(fdt_parent_offset(fdt, devp_offset(devp))); +} + +static void *fdt_wrapper_create_node(const void *devp, const char *name) +{ + int offset; + + offset = fdt_add_subnode(fdt, devp_offset(devp), name); + if (offset == -FDT_ERR_NOSPACE) { + expand_buf(strlen(name) + 16); + offset = fdt_add_subnode(fdt, devp_offset(devp), name); + } + + return offset_devp(offset); +} + +static void *fdt_wrapper_find_node_by_prop_value(const void *prev, + const char *name, + const char *val, + int len) +{ + int offset = fdt_node_offset_by_prop_value(fdt, devp_offset_find(prev), + name, val, len); + return offset_devp(offset); +} + +static char *fdt_wrapper_get_path(const void *devp, char *buf, int len) +{ + int rc; + + rc = fdt_get_path(fdt, devp_offset(devp), buf, len); + if (check_err(rc)) + return NULL; + return buf; +} + +static unsigned long fdt_wrapper_finalize(void) +{ + int rc; + + rc = fdt_pack(fdt); + if (rc != 0) + fatal("Couldn't pack flat tree: %s\n\r", + fdt_strerror(rc)); + return (unsigned long)fdt; +} + +void fdt_init(void *blob) +{ + int err; + + dt_ops.finddevice = fdt_wrapper_finddevice; + dt_ops.getprop = fdt_wrapper_getprop; + dt_ops.setprop = fdt_wrapper_setprop; + dt_ops.get_parent = fdt_wrapper_get_parent; + dt_ops.create_node = fdt_wrapper_create_node; + dt_ops.find_node_by_prop_value = fdt_wrapper_find_node_by_prop_value; + dt_ops.get_path = fdt_wrapper_get_path; + dt_ops.finalize = fdt_wrapper_finalize; + + /* Make sure the dt blob is the right version and so forth */ + fdt = blob; + err = fdt_open_into(fdt, fdt, fdt_totalsize(blob)); + if (err == -FDT_ERR_NOSPACE) { + int bufsize = fdt_totalsize(fdt) + 4; + buf = malloc(bufsize); + err = fdt_open_into(fdt, buf, bufsize); + } + + if (err != 0) + fatal("fdt_init(): %s\n\r", fdt_strerror(err)); + + if (buf) + fdt = buf; +} diff --git a/arch/powerpc/boot/libfdt/Makefile.libfdt b/arch/powerpc/boot/libfdt/Makefile.libfdt new file mode 100644 index 000000000000..82f9c6a8287b --- /dev/null +++ b/arch/powerpc/boot/libfdt/Makefile.libfdt @@ -0,0 +1,14 @@ +# Makefile.libfdt +# +# This is not a complete Makefile of itself. Instead, it is designed to +# be easily embeddable into other systems of Makefiles. +# +LIBFDT_SRCS = fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c +LIBFDT_INCLUDES = fdt.h libfdt.h +LIBFDT_EXTRA = libfdt_internal.h +LIBFDT_LIB = libfdt/libfdt.a + +LIBFDT_OBJS = $(LIBFDT_SRCS:%.c=%.o) + +$(LIBFDT_objdir)/$(LIBFDT_LIB): $(addprefix $(LIBFDT_objdir)/,$(LIBFDT_OBJS)) + diff --git a/arch/powerpc/boot/libfdt/fdt.c b/arch/powerpc/boot/libfdt/fdt.c new file mode 100644 index 000000000000..586a36136db2 --- /dev/null +++ b/arch/powerpc/boot/libfdt/fdt.c @@ -0,0 +1,156 @@ +/* + * libfdt - Flat Device Tree manipulation + * Copyright (C) 2006 David Gibson, IBM Corporation. + * + * libfdt is dual licensed: you can use it either under the terms of + * the GPL, or the BSD license, at your option. + * + * a) This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + * + * Alternatively, + * + * b) Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * 1. Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "libfdt_env.h" + +#include <fdt.h> +#include <libfdt.h> + +#include "libfdt_internal.h" + +int fdt_check_header(const void *fdt) +{ + if (fdt_magic(fdt) == FDT_MAGIC) { + /* Complete tree */ + if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION) + return -FDT_ERR_BADVERSION; + if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION) + return -FDT_ERR_BADVERSION; + } else if (fdt_magic(fdt) == SW_MAGIC) { + /* Unfinished sequential-write blob */ + if (fdt_size_dt_struct(fdt) == 0) + return -FDT_ERR_BADSTATE; + } else { + return -FDT_ERR_BADMAGIC; + } + + return 0; +} + +const void *fdt_offset_ptr(const void *fdt, int offset, int len) +{ + const void *p; + + if (fdt_version(fdt) >= 0x11) + if (((offset + len) < offset) + || ((offset + len) > fdt_size_dt_struct(fdt))) + return NULL; + + p = _fdt_offset_ptr(fdt, offset); + + if (p + len < p) + return NULL; + return p; +} + +uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset) +{ + const uint32_t *tagp, *lenp; + uint32_t tag; + const char *p; + + if (offset % FDT_TAGSIZE) + return -1; + + tagp = fdt_offset_ptr(fdt, offset, FDT_TAGSIZE); + if (! tagp) + return FDT_END; /* premature end */ + tag = fdt32_to_cpu(*tagp); + offset += FDT_TAGSIZE; + + switch (tag) { + case FDT_BEGIN_NODE: + /* skip name */ + do { + p = fdt_offset_ptr(fdt, offset++, 1); + } while (p && (*p != '\0')); + if (! p) + return FDT_END; + break; + case FDT_PROP: + lenp = fdt_offset_ptr(fdt, offset, sizeof(*lenp)); + if (! lenp) + return FDT_END; + /* skip name offset, length and value */ + offset += 2*FDT_TAGSIZE + fdt32_to_cpu(*lenp); + break; + } + + if (nextoffset) + *nextoffset = ALIGN(offset, FDT_TAGSIZE); + + return tag; +} + +const char *_fdt_find_string(const char *strtab, int tabsize, const char *s) +{ + int len = strlen(s) + 1; + const char *last = strtab + tabsize - len; + const char *p; + + for (p = strtab; p <= last; p++) + if (memeq(p, s, len)) + return p; + return NULL; +} + +int fdt_move(const void *fdt, void *buf, int bufsize) +{ + int err = fdt_check_header(fdt); + + if (err) + return err; + + if (fdt_totalsize(fdt) > bufsize) + return -FDT_ERR_NOSPACE; + + memmove(buf, fdt, fdt_totalsize(fdt)); + return 0; +} diff --git a/arch/powerpc/boot/libfdt/fdt.h b/arch/powerpc/boot/libfdt/fdt.h new file mode 100644 index 000000000000..48ccfd910000 --- /dev/null +++ b/arch/powerpc/boot/libfdt/fdt.h @@ -0,0 +1,60 @@ +#ifndef _FDT_H +#define _FDT_H + +#ifndef __ASSEMBLY__ + +struct fdt_header { + uint32_t magic; /* magic word FDT_MAGIC */ + uint32_t totalsize; /* total size of DT block */ + uint32_t off_dt_struct; /* offset to structure */ + uint32_t off_dt_strings; /* offset to strings */ + uint32_t off_mem_rsvmap; /* offset to memory reserve map */ + uint32_t version; /* format version */ + uint32_t last_comp_version; /* last compatible version */ + + /* version 2 fields below */ + uint32_t boot_cpuid_phys; /* Which physical CPU id we're + booting on */ + /* version 3 fields below */ + uint32_t size_dt_strings; /* size of the strings block */ + + /* version 17 fields below */ + uint32_t size_dt_struct; /* size of the structure block */ +}; + +struct fdt_reserve_entry { + uint64_t address; + uint64_t size; +}; + +struct fdt_node_header { + uint32_t tag; + char name[0]; +}; + +struct fdt_property { + uint32_t tag; + uint32_t len; + uint32_t nameoff; + char data[0]; +}; + +#endif /* !__ASSEMBLY */ + +#define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */ +#define FDT_TAGSIZE sizeof(uint32_t) + +#define FDT_BEGIN_NODE 0x1 /* Start node: full name */ +#define FDT_END_NODE 0x2 /* End node */ +#define FDT_PROP 0x3 /* Property: name off, + size, content */ +#define FDT_NOP 0x4 /* nop */ +#define FDT_END 0x9 + +#define FDT_V1_SIZE (7*sizeof(uint32_t)) +#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(uint32_t)) +#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(uint32_t)) +#define FDT_V16_SIZE FDT_V3_SIZE +#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(uint32_t)) + +#endif /* _FDT_H */ diff --git a/arch/powerpc/boot/libfdt/fdt_ro.c b/arch/powerpc/boot/libfdt/fdt_ro.c new file mode 100644 index 000000000000..12a37d59f96e --- /dev/null +++ b/arch/powerpc/boot/libfdt/fdt_ro.c @@ -0,0 +1,583 @@ +/* + * libfdt - Flat Device Tree manipulation + * Copyright (C) 2006 David Gibson, IBM Corporation. + * + * libfdt is dual licensed: you can use it either under the terms of + * the GPL, or the BSD license, at your option. + * + * a) This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + * + * Alternatively, + * + * b) Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * 1. Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "libfdt_env.h" + +#include <fdt.h> +#include <libfdt.h> + +#include "libfdt_internal.h" + +#define CHECK_HEADER(fdt) \ + { \ + int err; \ + if ((err = fdt_check_header(fdt)) != 0) \ + return err; \ + } + +static int nodename_eq(const void *fdt, int offset, + const char *s, int len) +{ + const char *p = fdt_offset_ptr(fdt, offset, len+1); + + if (! p) + /* short match */ + return 0; + + if (memcmp(p, s, len) != 0) + return 0; + + if (p[len] == '\0') + return 1; + else if (!memchr(s, '@', len) && (p[len] == '@')) + return 1; + else + return 0; +} + +const char *fdt_string(const void *fdt, int stroffset) +{ + return (char *)fdt + fdt_off_dt_strings(fdt) + stroffset; +} + +int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size) +{ + CHECK_HEADER(fdt); + *address = fdt64_to_cpu(_fdt_mem_rsv(fdt, n)->address); + *size = fdt64_to_cpu(_fdt_mem_rsv(fdt, n)->size); + return 0; +} + +int fdt_num_mem_rsv(const void *fdt) +{ + int i = 0; + + while (fdt64_to_cpu(_fdt_mem_rsv(fdt, i)->size) != 0) + i++; + return i; +} + +int fdt_subnode_offset_namelen(const void *fdt, int parentoffset, + const char *name, int namelen) +{ + int level = 0; + uint32_t tag; + int offset, nextoffset; + + CHECK_HEADER(fdt); + + tag = fdt_next_tag(fdt, parentoffset, &nextoffset); + if (tag != FDT_BEGIN_NODE) + return -FDT_ERR_BADOFFSET; + + do { + offset = nextoffset; + tag = fdt_next_tag(fdt, offset, &nextoffset); + + switch (tag) { + case FDT_END: + return -FDT_ERR_TRUNCATED; + + case FDT_BEGIN_NODE: + level++; + if (level != 1) + continue; + if (nodename_eq(fdt, offset+FDT_TAGSIZE, name, namelen)) + /* Found it! */ + return offset; + break; + + case FDT_END_NODE: + level--; + break; + + case FDT_PROP: + case FDT_NOP: + break; + + default: + return -FDT_ERR_BADSTRUCTURE; + } + } while (level >= 0); + + return -FDT_ERR_NOTFOUND; +} + +int fdt_subnode_offset(const void *fdt, int parentoffset, + const char *name) +{ + return fdt_subnode_offset_namelen(fdt, parentoffset, name, strlen(name)); +} + +int fdt_path_offset(const void *fdt, const char *path) +{ + const char *end = path + strlen(path); + const char *p = path; + int offset = 0; + + CHECK_HEADER(fdt); + + if (*path != '/') + return -FDT_ERR_BADPATH; + + while (*p) { + const char *q; + + while (*p == '/') + p++; + if (! *p) + return offset; + q = strchr(p, '/'); + if (! q) + q = end; + + offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p); + if (offset < 0) + return offset; + + p = q; + } + + return offset; +} + +const char *fdt_get_name(const void *fdt, int nodeoffset, int *len) +{ + const struct fdt_node_header *nh; + int err; + + if ((err = fdt_check_header(fdt)) != 0) + goto fail; + + err = -FDT_ERR_BADOFFSET; + nh = fdt_offset_ptr(fdt, nodeoffset, sizeof(*nh)); + if (!nh || (fdt32_to_cpu(nh->tag) != FDT_BEGIN_NODE)) + goto fail; + + if (len) + *len = strlen(nh->name); + + return nh->name; + + fail: + if (len) + *len = err; + return NULL; +} + +const struct fdt_property *fdt_get_property(const void *fdt, + int nodeoffset, + const char *name, int *lenp) +{ + uint32_t tag; + const struct fdt_property *prop; + int namestroff; + int offset, nextoffset; + int err; + + if ((err = fdt_check_header(fdt)) != 0) + goto fail; + + err = -FDT_ERR_BADOFFSET; + if (nodeoffset % FDT_TAGSIZE) + goto fail; + + tag = fdt_next_tag(fdt, nodeoffset, &nextoffset); + if (tag != FDT_BEGIN_NODE) + goto fail; + + do { + offset = nextoffset; + + tag = fdt_next_tag(fdt, offset, &nextoffset); + switch (tag) { + case FDT_END: + err = -FDT_ERR_TRUNCATED; + goto fail; + + case FDT_BEGIN_NODE: + case FDT_END_NODE: + case FDT_NOP: + break; + + case FDT_PROP: + err = -FDT_ERR_BADSTRUCTURE; + prop = fdt_offset_ptr(fdt, offset, sizeof(*prop)); + if (! prop) + goto fail; + namestroff = fdt32_to_cpu(prop->nameoff); + if (streq(fdt_string(fdt, namestroff), name)) { + /* Found it! */ + int len = fdt32_to_cpu(prop->len); + prop = fdt_offset_ptr(fdt, offset, + sizeof(*prop)+len); + if (! prop) + goto fail; + + if (lenp) + *lenp = len; + + return prop; + } + break; + + default: + err = -FDT_ERR_BADSTRUCTURE; + goto fail; + } + } while ((tag != FDT_BEGIN_NODE) && (tag != FDT_END_NODE)); + + err = -FDT_ERR_NOTFOUND; + fail: + if (lenp) + *lenp = err; + return NULL; +} + +const void *fdt_getprop(const void *fdt, int nodeoffset, + const char *name, int *lenp) +{ + const struct fdt_property *prop; + + prop = fdt_get_property(fdt, nodeoffset, name, lenp); + if (! prop) + return NULL; + + return prop->data; +} + +uint32_t fdt_get_phandle(const void *fdt, int nodeoffset) +{ + const uint32_t *php; + int len; + + php = fdt_getprop(fdt, nodeoffset, "linux,phandle", &len); + if (!php || (len != sizeof(*php))) + return 0; + + return fdt32_to_cpu(*php); +} + +int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen) +{ + uint32_t tag; + int p = 0, overflow = 0; + int offset, nextoffset, namelen; + const char *name; + + CHECK_HEADER(fdt); + + tag = fdt_next_tag(fdt, 0, &nextoffset); + if (tag != FDT_BEGIN_NODE) + return -FDT_ERR_BADSTRUCTURE; + + if (buflen < 2) + return -FDT_ERR_NOSPACE; + buf[0] = '/'; + p = 1; + + while (nextoffset <= nodeoffset) { + offset = nextoffset; + tag = fdt_next_tag(fdt, offset, &nextoffset); + switch (tag) { + case FDT_END: + return -FDT_ERR_BADOFFSET; + + case FDT_BEGIN_NODE: + name = fdt_get_name(fdt, offset, &namelen); + if (!name) + return namelen; + if (overflow || ((p + namelen + 1) > buflen)) { + overflow++; + break; + } + memcpy(buf + p, name, namelen); + p += namelen; + buf[p++] = '/'; + break; + + case FDT_END_NODE: + if (overflow) { + overflow--; + break; + } + do { + p--; + } while (buf[p-1] != '/'); + break; + + case FDT_PROP: + case FDT_NOP: + break; + + default: + return -FDT_ERR_BADSTRUCTURE; + } + } + + if (overflow) + return -FDT_ERR_NOSPACE; + + if (p > 1) /* special case so that root path is "/", not "" */ + p--; + buf[p] = '\0'; + return p; +} + +int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset, + int supernodedepth, int *nodedepth) +{ + int level = -1; + uint32_t tag; + int offset, nextoffset = 0; + int supernodeoffset = -FDT_ERR_INTERNAL; + + CHECK_HEADER(fdt); + + if (supernodedepth < 0) + return -FDT_ERR_NOTFOUND; + + do { + offset = nextoffset; + tag = fdt_next_tag(fdt, offset, &nextoffset); + switch (tag) { + case FDT_END: + return -FDT_ERR_BADOFFSET; + + case FDT_BEGIN_NODE: + level++; + if (level == supernodedepth) + supernodeoffset = offset; + break; + + case FDT_END_NODE: + level--; + break; + + case FDT_PROP: + case FDT_NOP: + break; + + default: + return -FDT_ERR_BADSTRUCTURE; + } + } while (offset < nodeoffset); + + if (nodedepth) + *nodedepth = level; + + if (supernodedepth > level) + return -FDT_ERR_NOTFOUND; + return supernodeoffset; +} + +int fdt_node_depth(const void *fdt, int nodeoffset) +{ + int nodedepth; + int err; + + err = fdt_supernode_atdepth_offset(fdt, nodeoffset, 0, &nodedepth); + if (err) + return (err < 0) ? err : -FDT_ERR_INTERNAL; + return nodedepth; +} + +int fdt_parent_offset(const void *fdt, int nodeoffset) +{ + int nodedepth = fdt_node_depth(fdt, nodeoffset); + + if (nodedepth < 0) + return nodedepth; + return fdt_supernode_atdepth_offset(fdt, nodeoffset, + nodedepth - 1, NULL); +} + +int fdt_node_offset_by_prop_value(const void *fdt, int startoffset, + const char *propname, + const void *propval, int proplen) +{ + uint32_t tag; + int offset, nextoffset; + const void *val; + int len; + + CHECK_HEADER(fdt); + + if (startoffset >= 0) { + tag = fdt_next_tag(fdt, startoffset, &nextoffset); + if (tag != FDT_BEGIN_NODE) + return -FDT_ERR_BADOFFSET; + } else { + nextoffset = 0; + } + + /* FIXME: The algorithm here is pretty horrible: we scan each + * property of a node in fdt_getprop(), then if that didn't + * find what we want, we scan over them again making our way + * to the next node. Still it's the easiest to implement + * approach; performance can come later. */ + do { + offset = nextoffset; + tag = fdt_next_tag(fdt, offset, &nextoffset); + + switch (tag) { + case FDT_BEGIN_NODE: + val = fdt_getprop(fdt, offset, propname, &len); + if (val + && (len == proplen) + && (memcmp(val, propval, len) == 0)) + return offset; + break; + + case FDT_PROP: + case FDT_END: + case FDT_END_NODE: + case FDT_NOP: + break; + + default: + return -FDT_ERR_BADSTRUCTURE; + } + } while (tag != FDT_END); + + return -FDT_ERR_NOTFOUND; +} + +int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle) +{ + if ((phandle == 0) || (phandle == -1)) + return -FDT_ERR_BADPHANDLE; + phandle = cpu_to_fdt32(phandle); + return fdt_node_offset_by_prop_value(fdt, -1, "linux,phandle", + &phandle, sizeof(phandle)); +} + +int _stringlist_contains(const void *strlist, int listlen, const char *str) +{ + int len = strlen(str); + const void *p; + + while (listlen >= len) { + if (memcmp(str, strlist, len+1) == 0) + return 1; + p = memchr(strlist, '\0', listlen); + if (!p) + return 0; /* malformed strlist.. */ + listlen -= (p-strlist) + 1; + strlist = p + 1; + } + return 0; +} + +int fdt_node_check_compatible(const void *fdt, int nodeoffset, + const char *compatible) +{ + const void *prop; + int len; + + prop = fdt_getprop(fdt, nodeoffset, "compatible", &len); + if (!prop) + return len; + if (_stringlist_contains(prop, len, compatible)) + return 0; + else + return 1; +} + +int fdt_node_offset_by_compatible(const void *fdt, int startoffset, + const char *compatible) +{ + uint32_t tag; + int offset, nextoffset; + int err; + + CHECK_HEADER(fdt); + + if (startoffset >= 0) { + tag = fdt_next_tag(fdt, startoffset, &nextoffset); + if (tag != FDT_BEGIN_NODE) + return -FDT_ERR_BADOFFSET; + } else { + nextoffset = 0; + } + + /* FIXME: The algorithm here is pretty horrible: we scan each + * property of a node in fdt_node_check_compatible(), then if + * that didn't find what we want, we scan over them again + * making our way to the next node. Still it's the easiest to + * implement approach; performance can come later. */ + do { + offset = nextoffset; + tag = fdt_next_tag(fdt, offset, &nextoffset); + + switch (tag) { + case FDT_BEGIN_NODE: + err = fdt_node_check_compatible(fdt, offset, + compatible); + if ((err < 0) + && (err != -FDT_ERR_NOTFOUND)) + return err; + else if (err == 0) + return offset; + break; + + case FDT_PROP: + case FDT_END: + case FDT_END_NODE: + case FDT_NOP: + break; + + default: + return -FDT_ERR_BADSTRUCTURE; + } + } while (tag != FDT_END); + + return -FDT_ERR_NOTFOUND; +} diff --git a/arch/powerpc/boot/libfdt/fdt_rw.c b/arch/powerpc/boot/libfdt/fdt_rw.c new file mode 100644 index 000000000000..6673f8ec962a --- /dev/null +++ b/arch/powerpc/boot/libfdt/fdt_rw.c @@ -0,0 +1,447 @@ +/* + * libfdt - Flat Device Tree manipulation + * Copyright (C) 2006 David Gibson, IBM Corporation. + * + * libfdt is dual licensed: you can use it either under the terms of + * the GPL, or the BSD license, at your option. + * + * a) This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + * + * Alternatively, + * + * b) Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * 1. Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "libfdt_env.h" + +#include <fdt.h> +#include <libfdt.h> + +#include "libfdt_internal.h" + +static int _blocks_misordered(const void *fdt, + int mem_rsv_size, int struct_size) +{ + return (fdt_off_mem_rsvmap(fdt) < ALIGN(sizeof(struct fdt_header), 8)) + || (fdt_off_dt_struct(fdt) < + (fdt_off_mem_rsvmap(fdt) + mem_rsv_size)) + || (fdt_off_dt_strings(fdt) < + (fdt_off_dt_struct(fdt) + struct_size)) + || (fdt_totalsize(fdt) < + (fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt))); +} + +static int rw_check_header(void *fdt) +{ + int err; + + if ((err = fdt_check_header(fdt))) + return err; + if (fdt_version(fdt) < 17) + return -FDT_ERR_BADVERSION; + if (_blocks_misordered(fdt, sizeof(struct fdt_reserve_entry), + fdt_size_dt_struct(fdt))) + return -FDT_ERR_BADLAYOUT; + if (fdt_version(fdt) > 17) + fdt_set_version(fdt, 17); + + return 0; +} + +#define RW_CHECK_HEADER(fdt) \ + { \ + int err; \ + if ((err = rw_check_header(fdt)) != 0) \ + return err; \ + } + +static inline int _blob_data_size(void *fdt) +{ + return fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt); +} + +static int _blob_splice(void *fdt, void *p, int oldlen, int newlen) +{ + void *end = fdt + _blob_data_size(fdt); + + if (((p + oldlen) < p) || ((p + oldlen) > end)) + return -FDT_ERR_BADOFFSET; + if ((end - oldlen + newlen) > (fdt + fdt_totalsize(fdt))) + return -FDT_ERR_NOSPACE; + memmove(p + newlen, p + oldlen, end - p - oldlen); + return 0; +} + +static int _blob_splice_mem_rsv(void *fdt, struct fdt_reserve_entry *p, + int oldn, int newn) +{ + int delta = (newn - oldn) * sizeof(*p); + int err; + err = _blob_splice(fdt, p, oldn * sizeof(*p), newn * sizeof(*p)); + if (err) + return err; + fdt_set_off_dt_struct(fdt, fdt_off_dt_struct(fdt) + delta); + fdt_set_off_dt_strings(fdt, fdt_off_dt_strings(fdt) + delta); + return 0; +} + +static int _blob_splice_struct(void *fdt, void *p, + int oldlen, int newlen) +{ + int delta = newlen - oldlen; + int err; + + if ((err = _blob_splice(fdt, p, oldlen, newlen))) + return err; + + fdt_set_size_dt_struct(fdt, fdt_size_dt_struct(fdt) + delta); + fdt_set_off_dt_strings(fdt, fdt_off_dt_strings(fdt) + delta); + return 0; +} + +static int _blob_splice_string(void *fdt, int newlen) +{ + void *p = fdt + fdt_off_dt_strings(fdt) + fdt_size_dt_strings(fdt); + int err; + + if ((err = _blob_splice(fdt, p, 0, newlen))) + return err; + + fdt_set_size_dt_strings(fdt, fdt_size_dt_strings(fdt) + newlen); + return 0; +} + +static int _find_add_string(void *fdt, const char *s) +{ + char *strtab = (char *)fdt + fdt_off_dt_strings(fdt); + const char *p; + char *new; + int len = strlen(s) + 1; + int err; + + p = _fdt_find_string(strtab, fdt_size_dt_strings(fdt), s); + if (p) + /* found it */ + return (p - strtab); + + new = strtab + fdt_size_dt_strings(fdt); + err = _blob_splice_string(fdt, len); + if (err) + return err; + + memcpy(new, s, len); + return (new - strtab); +} + +int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size) +{ + struct fdt_reserve_entry *re; + int err; + + if ((err = rw_check_header(fdt))) + return err; + + re = _fdt_mem_rsv_w(fdt, fdt_num_mem_rsv(fdt)); + err = _blob_splice_mem_rsv(fdt, re, 0, 1); + if (err) + return err; + + re->address = cpu_to_fdt64(address); + re->size = cpu_to_fdt64(size); + return 0; +} + +int fdt_del_mem_rsv(void *fdt, int n) +{ + struct fdt_reserve_entry *re = _fdt_mem_rsv_w(fdt, n); + int err; + + if ((err = rw_check_header(fdt))) + return err; + if (n >= fdt_num_mem_rsv(fdt)) + return -FDT_ERR_NOTFOUND; + + err = _blob_splice_mem_rsv(fdt, re, 1, 0); + if (err) + return err; + return 0; +} + +static int _resize_property(void *fdt, int nodeoffset, const char *name, int len, + struct fdt_property **prop) +{ + int oldlen; + int err; + + *prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen); + if (! (*prop)) + return oldlen; + + if ((err = _blob_splice_struct(fdt, (*prop)->data, + ALIGN(oldlen, FDT_TAGSIZE), + ALIGN(len, FDT_TAGSIZE)))) + return err; + + (*prop)->len = cpu_to_fdt32(len); + return 0; +} + +static int _add_property(void *fdt, int nodeoffset, const char *name, int len, + struct fdt_property **prop) +{ + uint32_t tag; + int proplen; + int nextoffset; + int namestroff; + int err; + + tag = fdt_next_tag(fdt, nodeoffset, &nextoffset); + if (tag != FDT_BEGIN_NODE) + return -FDT_ERR_BADOFFSET; + + namestroff = _find_add_string(fdt, name); + if (namestroff < 0) + return namestroff; + + *prop = _fdt_offset_ptr_w(fdt, nextoffset); + proplen = sizeof(**prop) + ALIGN(len, FDT_TAGSIZE); + + err = _blob_splice_struct(fdt, *prop, 0, proplen); + if (err) + return err; + + (*prop)->tag = cpu_to_fdt32(FDT_PROP); + (*prop)->nameoff = cpu_to_fdt32(namestroff); + (*prop)->len = cpu_to_fdt32(len); + return 0; +} + +int fdt_setprop(void *fdt, int nodeoffset, const char *name, + const void *val, int len) +{ + struct fdt_property *prop; + int err; + + if ((err = rw_check_header(fdt))) + return err; + + err = _resize_property(fdt, nodeoffset, name, len, &prop); + if (err == -FDT_ERR_NOTFOUND) + err = _add_property(fdt, nodeoffset, name, len, &prop); + if (err) + return err; + + memcpy(prop->data, val, len); + return 0; +} + +int fdt_delprop(void *fdt, int nodeoffset, const char *name) +{ + struct fdt_property *prop; + int len, proplen; + + RW_CHECK_HEADER(fdt); + + prop = fdt_get_property_w(fdt, nodeoffset, name, &len); + if (! prop) + return len; + + proplen = sizeof(*prop) + ALIGN(len, FDT_TAGSIZE); + return _blob_splice_struct(fdt, prop, proplen, 0); +} + +int fdt_add_subnode_namelen(void *fdt, int parentoffset, + const char *name, int namelen) +{ + struct fdt_node_header *nh; + int offset, nextoffset; + int nodelen; + int err; + uint32_t tag; + uint32_t *endtag; + + RW_CHECK_HEADER(fdt); + + offset = fdt_subnode_offset_namelen(fdt, parentoffset, name, namelen); + if (offset >= 0) + return -FDT_ERR_EXISTS; + else if (offset != -FDT_ERR_NOTFOUND) + return offset; + + /* Try to place the new node after the parent's properties */ + fdt_next_tag(fdt, parentoffset, &nextoffset); /* skip the BEGIN_NODE */ + do { + offset = nextoffset; + tag = fdt_next_tag(fdt, offset, &nextoffset); + } while (tag == FDT_PROP); + + nh = _fdt_offset_ptr_w(fdt, offset); + nodelen = sizeof(*nh) + ALIGN(namelen+1, FDT_TAGSIZE) + FDT_TAGSIZE; + + err = _blob_splice_struct(fdt, nh, 0, nodelen); + if (err) + return err; + + nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE); + memset(nh->name, 0, ALIGN(namelen+1, FDT_TAGSIZE)); + memcpy(nh->name, name, namelen); + endtag = (uint32_t *)((void *)nh + nodelen - FDT_TAGSIZE); + *endtag = cpu_to_fdt32(FDT_END_NODE); + + return offset; +} + +int fdt_add_subnode(void *fdt, int parentoffset, const char *name) +{ + return fdt_add_subnode_namelen(fdt, parentoffset, name, strlen(name)); +} + +int fdt_del_node(void *fdt, int nodeoffset) +{ + int endoffset; + + RW_CHECK_HEADER(fdt); + + endoffset = _fdt_node_end_offset(fdt, nodeoffset); + if (endoffset < 0) + return endoffset; + + return _blob_splice_struct(fdt, _fdt_offset_ptr_w(fdt, nodeoffset), + endoffset - nodeoffset, 0); +} + +static void _packblocks(const void *fdt, void *buf, + int mem_rsv_size, int struct_size) +{ + int mem_rsv_off, struct_off, strings_off; + + mem_rsv_off = ALIGN(sizeof(struct fdt_header), 8); + struct_off = mem_rsv_off + mem_rsv_size; + strings_off = struct_off + struct_size; + + memmove(buf + mem_rsv_off, fdt + fdt_off_mem_rsvmap(fdt), mem_rsv_size); + fdt_set_off_mem_rsvmap(buf, mem_rsv_off); + + memmove(buf + struct_off, fdt + fdt_off_dt_struct(fdt), struct_size); + fdt_set_off_dt_struct(buf, struct_off); + fdt_set_size_dt_struct(buf, struct_size); + + memmove(buf + strings_off, fdt + fdt_off_dt_strings(fdt), + fdt_size_dt_strings(fdt)); + fdt_set_off_dt_strings(buf, strings_off); + fdt_set_size_dt_strings(buf, fdt_size_dt_strings(fdt)); +} + +int fdt_open_into(const void *fdt, void *buf, int bufsize) +{ + int err; + int mem_rsv_size, struct_size; + int newsize; + void *tmp; + + err = fdt_check_header(fdt); + if (err) + return err; + + mem_rsv_size = (fdt_num_mem_rsv(fdt)+1) + * sizeof(struct fdt_reserve_entry); + + if (fdt_version(fdt) >= 17) { + struct_size = fdt_size_dt_struct(fdt); + } else { + struct_size = 0; + while (fdt_next_tag(fdt, struct_size, &struct_size) != FDT_END) + ; + } + + if (!_blocks_misordered(fdt, mem_rsv_size, struct_size)) { + /* no further work necessary */ + err = fdt_move(fdt, buf, bufsize); + if (err) + return err; + fdt_set_version(buf, 17); + fdt_set_size_dt_struct(buf, struct_size); + fdt_set_totalsize(buf, bufsize); + return 0; + } + + /* Need to reorder */ + newsize = ALIGN(sizeof(struct fdt_header), 8) + mem_rsv_size + + struct_size + fdt_size_dt_strings(fdt); + + if (bufsize < newsize) + return -FDT_ERR_NOSPACE; + + if (((buf + newsize) <= fdt) + || (buf >= (fdt + fdt_totalsize(fdt)))) { + tmp = buf; + } else { + tmp = (void *)fdt + fdt_totalsize(fdt); + if ((tmp + newsize) > (buf + bufsize)) + return -FDT_ERR_NOSPACE; + } + + _packblocks(fdt, tmp, mem_rsv_size, struct_size); + memmove(buf, tmp, newsize); + + fdt_set_magic(buf, FDT_MAGIC); + fdt_set_totalsize(buf, bufsize); + fdt_set_version(buf, 17); + fdt_set_last_comp_version(buf, 16); + fdt_set_boot_cpuid_phys(buf, fdt_boot_cpuid_phys(fdt)); + + return 0; +} + +int fdt_pack(void *fdt) +{ + int mem_rsv_size; + int err; + + err = rw_check_header(fdt); + if (err) + return err; + + mem_rsv_size = (fdt_num_mem_rsv(fdt)+1) + * sizeof(struct fdt_reserve_entry); + _packblocks(fdt, fdt, mem_rsv_size, fdt_size_dt_struct(fdt)); + fdt_set_totalsize(fdt, _blob_data_size(fdt)); + + return 0; +} diff --git a/arch/powerpc/boot/libfdt/fdt_strerror.c b/arch/powerpc/boot/libfdt/fdt_strerror.c new file mode 100644 index 000000000000..f9d32ef5360a --- /dev/null +++ b/arch/powerpc/boot/libfdt/fdt_strerror.c @@ -0,0 +1,96 @@ +/* + * libfdt - Flat Device Tree manipulation + * Copyright (C) 2006 David Gibson, IBM Corporation. + * + * libfdt is dual licensed: you can use it either under the terms of + * the GPL, or the BSD license, at your option. + * + * a) This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + * + * Alternatively, + * + * b) Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * 1. Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "libfdt_env.h" + +#include <fdt.h> +#include <libfdt.h> + +#include "libfdt_internal.h" + +struct errtabent { + const char *str; +}; + +#define ERRTABENT(val) \ + [(val)] = { .str = #val, } + +static struct errtabent errtable[] = { + ERRTABENT(FDT_ERR_NOTFOUND), + ERRTABENT(FDT_ERR_EXISTS), + ERRTABENT(FDT_ERR_NOSPACE), + + ERRTABENT(FDT_ERR_BADOFFSET), + ERRTABENT(FDT_ERR_BADPATH), + ERRTABENT(FDT_ERR_BADSTATE), + + ERRTABENT(FDT_ERR_TRUNCATED), + ERRTABENT(FDT_ERR_BADMAGIC), + ERRTABENT(FDT_ERR_BADVERSION), + ERRTABENT(FDT_ERR_BADSTRUCTURE), + ERRTABENT(FDT_ERR_BADLAYOUT), +}; +#define ERRTABSIZE (sizeof(errtable) / sizeof(errtable[0])) + +const char *fdt_strerror(int errval) +{ + if (errval > 0) + return "<valid offset/length>"; + else if (errval == 0) + return "<no error>"; + else if (errval > -ERRTABSIZE) { + const char *s = errtable[-errval].str; + + if (s) + return s; + } + + return "<unknown error>"; +} diff --git a/arch/powerpc/boot/libfdt/fdt_sw.c b/arch/powerpc/boot/libfdt/fdt_sw.c new file mode 100644 index 000000000000..dda2de34b2e0 --- /dev/null +++ b/arch/powerpc/boot/libfdt/fdt_sw.c @@ -0,0 +1,258 @@ +/* + * libfdt - Flat Device Tree manipulation + * Copyright (C) 2006 David Gibson, IBM Corporation. + * + * libfdt is dual licensed: you can use it either under the terms of + * the GPL, or the BSD license, at your option. + * + * a) This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + * + * Alternatively, + * + * b) Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * 1. Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "libfdt_env.h" + +#include <fdt.h> +#include <libfdt.h> + +#include "libfdt_internal.h" + +static int check_header_sw(void *fdt) +{ + if (fdt_magic(fdt) != SW_MAGIC) + return -FDT_ERR_BADMAGIC; + return 0; +} + +static void *grab_space(void *fdt, int len) +{ + int offset = fdt_size_dt_struct(fdt); + int spaceleft; + + spaceleft = fdt_totalsize(fdt) - fdt_off_dt_struct(fdt) + - fdt_size_dt_strings(fdt); + + if ((offset + len < offset) || (offset + len > spaceleft)) + return NULL; + + fdt_set_size_dt_struct(fdt, offset + len); + return fdt_offset_ptr_w(fdt, offset, len); +} + +int fdt_create(void *buf, int bufsize) +{ + void *fdt = buf; + + if (bufsize < sizeof(struct fdt_header)) + return -FDT_ERR_NOSPACE; + + memset(buf, 0, bufsize); + + fdt_set_magic(fdt, SW_MAGIC); + fdt_set_version(fdt, FDT_LAST_SUPPORTED_VERSION); + fdt_set_last_comp_version(fdt, FDT_FIRST_SUPPORTED_VERSION); + fdt_set_totalsize(fdt, bufsize); + + fdt_set_off_mem_rsvmap(fdt, ALIGN(sizeof(struct fdt_header), + sizeof(struct fdt_reserve_entry))); + fdt_set_off_dt_struct(fdt, fdt_off_mem_rsvmap(fdt)); + fdt_set_off_dt_strings(fdt, bufsize); + + return 0; +} + +int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size) +{ + struct fdt_reserve_entry *re; + int err = check_header_sw(fdt); + int offset; + + if (err) + return err; + if (fdt_size_dt_struct(fdt)) + return -FDT_ERR_BADSTATE; + + offset = fdt_off_dt_struct(fdt); + if ((offset + sizeof(*re)) > fdt_totalsize(fdt)) + return -FDT_ERR_NOSPACE; + + re = (struct fdt_reserve_entry *)(fdt + offset); + re->address = cpu_to_fdt64(addr); + re->size = cpu_to_fdt64(size); + + fdt_set_off_dt_struct(fdt, offset + sizeof(*re)); + + return 0; +} + +int fdt_finish_reservemap(void *fdt) +{ + return fdt_add_reservemap_entry(fdt, 0, 0); +} + +int fdt_begin_node(void *fdt, const char *name) +{ + struct fdt_node_header *nh; + int err = check_header_sw(fdt); + int namelen = strlen(name) + 1; + + if (err) + return err; + + nh = grab_space(fdt, sizeof(*nh) + ALIGN(namelen, FDT_TAGSIZE)); + if (! nh) + return -FDT_ERR_NOSPACE; + + nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE); + memcpy(nh->name, name, namelen); + return 0; +} + +int fdt_end_node(void *fdt) +{ + uint32_t *en; + int err = check_header_sw(fdt); + + if (err) + return err; + + en = grab_space(fdt, FDT_TAGSIZE); + if (! en) + return -FDT_ERR_NOSPACE; + + *en = cpu_to_fdt32(FDT_END_NODE); + return 0; +} + +static int find_add_string(void *fdt, const char *s) +{ + char *strtab = (char *)fdt + fdt_totalsize(fdt); + const char *p; + int strtabsize = fdt_size_dt_strings(fdt); + int len = strlen(s) + 1; + int struct_top, offset; + + p = _fdt_find_string(strtab - strtabsize, strtabsize, s); + if (p) + return p - strtab; + + /* Add it */ + offset = -strtabsize - len; + struct_top = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt); + if (fdt_totalsize(fdt) + offset < struct_top) + return 0; /* no more room :( */ + + memcpy(strtab + offset, s, len); + fdt_set_size_dt_strings(fdt, strtabsize + len); + return offset; +} + +int fdt_property(void *fdt, const char *name, const void *val, int len) +{ + struct fdt_property *prop; + int err = check_header_sw(fdt); + int nameoff; + + if (err) + return err; + + nameoff = find_add_string(fdt, name); + if (nameoff == 0) + return -FDT_ERR_NOSPACE; + + prop = grab_space(fdt, sizeof(*prop) + ALIGN(len, FDT_TAGSIZE)); + if (! prop) + return -FDT_ERR_NOSPACE; + + prop->tag = cpu_to_fdt32(FDT_PROP); + prop->nameoff = cpu_to_fdt32(nameoff); + prop->len = cpu_to_fdt32(len); + memcpy(prop->data, val, len); + return 0; +} + +int fdt_finish(void *fdt) +{ + int err = check_header_sw(fdt); + char *p = (char *)fdt; + uint32_t *end; + int oldstroffset, newstroffset; + uint32_t tag; + int offset, nextoffset; + + if (err) + return err; + + /* Add terminator */ + end = grab_space(fdt, sizeof(*end)); + if (! end) + return -FDT_ERR_NOSPACE; + *end = cpu_to_fdt32(FDT_END); + + /* Relocate the string table */ + oldstroffset = fdt_totalsize(fdt) - fdt_size_dt_strings(fdt); + newstroffset = fdt_off_dt_struct(fdt) + fdt_size_dt_struct(fdt); + memmove(p + newstroffset, p + oldstroffset, fdt_size_dt_strings(fdt)); + fdt_set_off_dt_strings(fdt, newstroffset); + + /* Walk the structure, correcting string offsets */ + offset = 0; + while ((tag = fdt_next_tag(fdt, offset, &nextoffset)) != FDT_END) { + if (tag == FDT_PROP) { + struct fdt_property *prop = + fdt_offset_ptr_w(fdt, offset, sizeof(*prop)); + int nameoff; + + if (! prop) + return -FDT_ERR_BADSTRUCTURE; + + nameoff = fdt32_to_cpu(prop->nameoff); + nameoff += fdt_size_dt_strings(fdt); + prop->nameoff = cpu_to_fdt32(nameoff); + } + offset = nextoffset; + } + + /* Finally, adjust the header */ + fdt_set_totalsize(fdt, newstroffset + fdt_size_dt_strings(fdt)); + fdt_set_magic(fdt, FDT_MAGIC); + return 0; +} diff --git a/arch/powerpc/boot/libfdt/fdt_wip.c b/arch/powerpc/boot/libfdt/fdt_wip.c new file mode 100644 index 000000000000..88e24b8318f4 --- /dev/null +++ b/arch/powerpc/boot/libfdt/fdt_wip.c @@ -0,0 +1,144 @@ +/* + * libfdt - Flat Device Tree manipulation + * Copyright (C) 2006 David Gibson, IBM Corporation. + * + * libfdt is dual licensed: you can use it either under the terms of + * the GPL, or the BSD license, at your option. + * + * a) This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + * + * Alternatively, + * + * b) Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * 1. Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "libfdt_env.h" + +#include <fdt.h> +#include <libfdt.h> + +#include "libfdt_internal.h" + +int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name, + const void *val, int len) +{ + void *propval; + int proplen; + + propval = fdt_getprop_w(fdt, nodeoffset, name, &proplen); + if (! propval) + return proplen; + + if (proplen != len) + return -FDT_ERR_NOSPACE; + + memcpy(propval, val, len); + return 0; +} + +static void nop_region(void *start, int len) +{ + uint32_t *p; + + for (p = start; (void *)p < (start + len); p++) + *p = cpu_to_fdt32(FDT_NOP); +} + +int fdt_nop_property(void *fdt, int nodeoffset, const char *name) +{ + struct fdt_property *prop; + int len; + + prop = fdt_get_property_w(fdt, nodeoffset, name, &len); + if (! prop) + return len; + + nop_region(prop, len + sizeof(*prop)); + + return 0; +} + +int _fdt_node_end_offset(void *fdt, int nodeoffset) +{ + int level = 0; + uint32_t tag; + int offset, nextoffset; + + tag = fdt_next_tag(fdt, nodeoffset, &nextoffset); + if (tag != FDT_BEGIN_NODE) + return -FDT_ERR_BADOFFSET; + do { + offset = nextoffset; + tag = fdt_next_tag(fdt, offset, &nextoffset); + + switch (tag) { + case FDT_END: + return offset; + + case FDT_BEGIN_NODE: + level++; + break; + + case FDT_END_NODE: + level--; + break; + + case FDT_PROP: + case FDT_NOP: + break; + + default: + return -FDT_ERR_BADSTRUCTURE; + } + } while (level >= 0); + + return nextoffset; +} + +int fdt_nop_node(void *fdt, int nodeoffset) +{ + int endoffset; + + endoffset = _fdt_node_end_offset(fdt, nodeoffset); + if (endoffset < 0) + return endoffset; + + nop_region(fdt_offset_ptr_w(fdt, nodeoffset, 0), endoffset - nodeoffset); + return 0; +} diff --git a/arch/powerpc/boot/libfdt/libfdt.h b/arch/powerpc/boot/libfdt/libfdt.h new file mode 100644 index 000000000000..6b2fb92ea357 --- /dev/null +++ b/arch/powerpc/boot/libfdt/libfdt.h @@ -0,0 +1,721 @@ +#ifndef _LIBFDT_H +#define _LIBFDT_H +/* + * libfdt - Flat Device Tree manipulation + * Copyright (C) 2006 David Gibson, IBM Corporation. + * + * libfdt is dual licensed: you can use it either under the terms of + * the GPL, or the BSD license, at your option. + * + * a) This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + * + * Alternatively, + * + * b) Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * 1. Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <libfdt_env.h> +#include <fdt.h> + +#define FDT_FIRST_SUPPORTED_VERSION 0x10 +#define FDT_LAST_SUPPORTED_VERSION 0x11 + +/* Error codes: informative error codes */ +#define FDT_ERR_NOTFOUND 1 + /* FDT_ERR_NOTFOUND: The requested node or property does not exist */ +#define FDT_ERR_EXISTS 2 + /* FDT_ERR_EXISTS: Attemped to create a node or property which + * already exists */ +#define FDT_ERR_NOSPACE 3 + /* FDT_ERR_NOSPACE: Operation needed to expand the device + * tree, but its buffer did not have sufficient space to + * contain the expanded tree. Use fdt_open_into() to move the + * device tree to a buffer with more space. */ + +/* Error codes: codes for bad parameters */ +#define FDT_ERR_BADOFFSET 4 + /* FDT_ERR_BADOFFSET: Function was passed a structure block + * offset which is out-of-bounds, or which points to an + * unsuitable part of the structure for the operation. */ +#define FDT_ERR_BADPATH 5 + /* FDT_ERR_BADPATH: Function was passed a badly formatted path + * (e.g. missing a leading / for a function which requires an + * absolute path) */ +#define FDT_ERR_BADPHANDLE 6 + /* FDT_ERR_BADPHANDLE: Function was passed an invalid phandle + * value. phandle values of 0 and -1 are not permitted. */ +#define FDT_ERR_BADSTATE 7 + /* FDT_ERR_BADSTATE: Function was passed an incomplete device + * tree created by the sequential-write functions, which is + * not sufficiently complete for the requested operation. */ + +/* Error codes: codes for bad device tree blobs */ +#define FDT_ERR_TRUNCATED 8 + /* FDT_ERR_TRUNCATED: Structure block of the given device tree + * ends without an FDT_END tag. */ +#define FDT_ERR_BADMAGIC 9 + /* FDT_ERR_BADMAGIC: Given "device tree" appears not to be a + * device tree at all - it is missing the flattened device + * tree magic number. */ +#define FDT_ERR_BADVERSION 10 + /* FDT_ERR_BADVERSION: Given device tree has a version which + * can't be handled by the requested operation. For + * read-write functions, this may mean that fdt_open_into() is + * required to convert the tree to the expected version. */ +#define FDT_ERR_BADSTRUCTURE 11 + /* FDT_ERR_BADSTRUCTURE: Given device tree has a corrupt + * structure block or other serious error (e.g. misnested + * nodes, or subnodes preceding properties). */ +#define FDT_ERR_BADLAYOUT 12 + /* FDT_ERR_BADLAYOUT: For read-write functions, the given + * device tree has it's sub-blocks in an order that the + * function can't handle (memory reserve map, then structure, + * then strings). Use fdt_open_into() to reorganize the tree + * into a form suitable for the read-write operations. */ + +/* "Can't happen" error indicating a bug in libfdt */ +#define FDT_ERR_INTERNAL 13 + /* FDT_ERR_INTERNAL: libfdt has failed an internal assertion. + * Should never be returned, if it is, it indicates a bug in + * libfdt itself. */ + +#define FDT_ERR_MAX 13 + +/**********************************************************************/ +/* Low-level functions (you probably don't need these) */ +/**********************************************************************/ + +const void *fdt_offset_ptr(const void *fdt, int offset, int checklen); +static inline void *fdt_offset_ptr_w(void *fdt, int offset, int checklen) +{ + return (void *)fdt_offset_ptr(fdt, offset, checklen); +} + +uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset); + +/**********************************************************************/ +/* General functions */ +/**********************************************************************/ + +#define fdt_get_header(fdt, field) \ + (fdt32_to_cpu(((const struct fdt_header *)(fdt))->field)) +#define fdt_magic(fdt) (fdt_get_header(fdt, magic)) +#define fdt_totalsize(fdt) (fdt_get_header(fdt, totalsize)) +#define fdt_off_dt_struct(fdt) (fdt_get_header(fdt, off_dt_struct)) +#define fdt_off_dt_strings(fdt) (fdt_get_header(fdt, off_dt_strings)) +#define fdt_off_mem_rsvmap(fdt) (fdt_get_header(fdt, off_mem_rsvmap)) +#define fdt_version(fdt) (fdt_get_header(fdt, version)) +#define fdt_last_comp_version(fdt) (fdt_get_header(fdt, last_comp_version)) +#define fdt_boot_cpuid_phys(fdt) (fdt_get_header(fdt, boot_cpuid_phys)) +#define fdt_size_dt_strings(fdt) (fdt_get_header(fdt, size_dt_strings)) +#define fdt_size_dt_struct(fdt) (fdt_get_header(fdt, size_dt_struct)) + +#define __fdt_set_hdr(name) \ + static inline void fdt_set_##name(void *fdt, uint32_t val) \ + { \ + struct fdt_header *fdth = fdt; \ + fdth->name = cpu_to_fdt32(val); \ + } +__fdt_set_hdr(magic); +__fdt_set_hdr(totalsize); +__fdt_set_hdr(off_dt_struct); +__fdt_set_hdr(off_dt_strings); +__fdt_set_hdr(off_mem_rsvmap); +__fdt_set_hdr(version); +__fdt_set_hdr(last_comp_version); +__fdt_set_hdr(boot_cpuid_phys); +__fdt_set_hdr(size_dt_strings); +__fdt_set_hdr(size_dt_struct); +#undef __fdt_set_hdr + +/** + * fdt_check_header - sanity check a device tree or possible device tree + * @fdt: pointer to data which might be a flattened device tree + * + * fdt_check_header() checks that the given buffer contains what + * appears to be a flattened device tree with sane information in its + * header. + * + * returns: + * 0, if the buffer appears to contain a valid device tree + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, standard meanings, as above + */ +int fdt_check_header(const void *fdt); + +/** + * fdt_move - move a device tree around in memory + * @fdt: pointer to the device tree to move + * @buf: pointer to memory where the device is to be moved + * @bufsize: size of the memory space at buf + * + * fdt_move() relocates, if possible, the device tree blob located at + * fdt to the buffer at buf of size bufsize. The buffer may overlap + * with the existing device tree blob at fdt. Therefore, + * fdt_move(fdt, fdt, fdt_totalsize(fdt)) + * should always succeed. + * + * returns: + * 0, on success + * -FDT_ERR_NOSPACE, bufsize is insufficient to contain the device tree + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, standard meanings + */ +int fdt_move(const void *fdt, void *buf, int bufsize); + +/**********************************************************************/ +/* Read-only functions */ +/**********************************************************************/ + +/** + * fdt_string - retreive a string from the strings block of a device tree + * @fdt: pointer to the device tree blob + * @stroffset: offset of the string within the strings block (native endian) + * + * fdt_string() retrieves a pointer to a single string from the + * strings block of the device tree blob at fdt. + * + * returns: + * a pointer to the string, on success + * NULL, if stroffset is out of bounds + */ +const char *fdt_string(const void *fdt, int stroffset); + +/** + * fdt_num_mem_rsv - retreive the number of memory reserve map entries + * @fdt: pointer to the device tree blob + * + * Returns the number of entries in the device tree blob's memory + * reservation map. This does not include the terminating 0,0 entry + * or any other (0,0) entries reserved for expansion. + * + * returns: + * the number of entries + */ +int fdt_num_mem_rsv(const void *fdt); + +/** + * fdt_get_mem_rsv - retreive one memory reserve map entry + * @fdt: pointer to the device tree blob + * @address, @size: pointers to 64-bit variables + * + * On success, *address and *size will contain the address and size of + * the n-th reserve map entry from the device tree blob, in + * native-endian format. + * + * returns: + * 0, on success + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, standard meanings + */ +int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size); + +/** + * fdt_subnode_offset_namelen - find a subnode based on substring + * @fdt: pointer to the device tree blob + * @parentoffset: structure block offset of a node + * @name: name of the subnode to locate + * @namelen: number of characters of name to consider + * + * Identical to fdt_subnode_offset(), but only examine the first + * namelen characters of name for matching the subnode name. This is + * useful for finding subnodes based on a portion of a larger string, + * such as a full path. + */ +int fdt_subnode_offset_namelen(const void *fdt, int parentoffset, + const char *name, int namelen); +/** + * fdt_subnode_offset - find a subnode of a given node + * @fdt: pointer to the device tree blob + * @parentoffset: structure block offset of a node + * @name: name of the subnode to locate + * + * fdt_subnode_offset() finds a subnode of the node at structure block + * offset parentoffset with the given name. name may include a unit + * address, in which case fdt_subnode_offset() will find the subnode + * with that unit address, or the unit address may be omitted, in + * which case fdt_subnode_offset() will find an arbitrary subnode + * whose name excluding unit address matches the given name. + * + * returns: + * structure block offset of the requested subnode (>=0), on success + * -FDT_ERR_NOTFOUND, if the requested subnode does not exist + * -FDT_ERR_BADOFFSET, if parentoffset did not point to an FDT_BEGIN_NODE tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings. + */ +int fdt_subnode_offset(const void *fdt, int parentoffset, const char *name); + +/** + * fdt_path_offset - find a tree node by its full path + * @fdt: pointer to the device tree blob + * @path: full path of the node to locate + * + * fdt_path_offset() finds a node of a given path in the device tree. + * Each path component may omit the unit address portion, but the + * results of this are undefined if any such path component is + * ambiguous (that is if there are multiple nodes at the relevant + * level matching the given component, differentiated only by unit + * address). + * + * returns: + * structure block offset of the node with the requested path (>=0), on success + * -FDT_ERR_BADPATH, given path does not begin with '/' or is invalid + * -FDT_ERR_NOTFOUND, if the requested node does not exist + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings. + */ +int fdt_path_offset(const void *fdt, const char *path); + +/** + * fdt_get_name - retreive the name of a given node + * @fdt: pointer to the device tree blob + * @nodeoffset: structure block offset of the starting node + * @lenp: pointer to an integer variable (will be overwritten) or NULL + * + * fdt_get_name() retrieves the name (including unit address) of the + * device tree node at structure block offset nodeoffset. If lenp is + * non-NULL, the length of this name is also returned, in the integer + * pointed to by lenp. + * + * returns: + * pointer to the node's name, on success + * If lenp is non-NULL, *lenp contains the length of that name (>=0) + * NULL, on error + * if lenp is non-NULL *lenp contains an error code (<0): + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, standard meanings + */ +const char *fdt_get_name(const void *fdt, int nodeoffset, int *lenp); + +/** + * fdt_get_property - find a given property in a given node + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to find + * @name: name of the property to find + * @lenp: pointer to an integer variable (will be overwritten) or NULL + * + * fdt_get_property() retrieves a pointer to the fdt_property + * structure within the device tree blob corresponding to the property + * named 'name' of the node at offset nodeoffset. If lenp is + * non-NULL, the length of the property value also returned, in the + * integer pointed to by lenp. + * + * returns: + * pointer to the structure representing the property + * if lenp is non-NULL, *lenp contains the length of the property + * value (>=0) + * NULL, on error + * if lenp is non-NULL, *lenp contains an error code (<0): + * -FDT_ERR_NOTFOUND, node does not have named property + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings + */ +const struct fdt_property *fdt_get_property(const void *fdt, int nodeoffset, + const char *name, int *lenp); +static inline struct fdt_property *fdt_get_property_w(void *fdt, int nodeoffset, + const char *name, + int *lenp) +{ + return (struct fdt_property *)fdt_get_property(fdt, nodeoffset, + name, lenp); +} + +/** + * fdt_getprop - retrieve the value of a given property + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose property to find + * @name: name of the property to find + * @lenp: pointer to an integer variable (will be overwritten) or NULL + * + * fdt_getprop() retrieves a pointer to the value of the property + * named 'name' of the node at offset nodeoffset (this will be a + * pointer to within the device blob itself, not a copy of the value). + * If lenp is non-NULL, the length of the property value also + * returned, in the integer pointed to by lenp. + * + * returns: + * pointer to the property's value + * if lenp is non-NULL, *lenp contains the length of the property + * value (>=0) + * NULL, on error + * if lenp is non-NULL, *lenp contains an error code (<0): + * -FDT_ERR_NOTFOUND, node does not have named property + * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, + * -FDT_ERR_TRUNCATED, standard meanings + */ +const void *fdt_getprop(const void *fdt, int nodeoffset, + const char *name, int *lenp); +static inline void *fdt_getprop_w(void *fdt, int nodeoffset, + const char *name, int *lenp) +{ + return (void *)fdt_getprop(fdt, nodeoffset, name, lenp); +} + +/** + * fdt_get_phandle - retreive the phandle of a given node + * @fdt: pointer to the device tree blob + * @nodeoffset: structure block offset of the node + * + * fdt_get_phandle() retrieves the phandle of the device tree node at + * structure block offset nodeoffset. + * + * returns: + * the phandle of the node at nodeoffset, on succes (!= 0, != -1) + * 0, if the node has no phandle, or another error occurs + */ +uint32_t fdt_get_phandle(const void *fdt, int nodeoffset); + +/** + * fdt_get_path - determine the full path of a node + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose path to find + * @buf: character buffer to contain the returned path (will be overwritten) + * @buflen: size of the character buffer at buf + * + * fdt_get_path() computes the full path of the node at offset + * nodeoffset, and records that path in the buffer at buf. + * + * NOTE: This function is expensive, as it must scan the device tree + * structure from the start to nodeoffset. + * + * returns: + * 0, on success + * buf contains the absolute path of the node at + * nodeoffset, as a NUL-terminated string. + * -FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag + * -FDT_ERR_NOSPACE, the path of the given node is longer than (bufsize-1) + * characters and will not fit in the given buffer. + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, standard meanings + */ +int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen); + +/** + * fdt_supernode_atdepth_offset - find a specific ancestor of a node + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose parent to find + * @supernodedepth: depth of the ancestor to find + * @nodedepth: pointer to an integer variable (will be overwritten) or NULL + * + * fdt_supernode_atdepth_offset() finds an ancestor of the given node + * at a specific depth from the root (where the root itself has depth + * 0, its immediate subnodes depth 1 and so forth). So + * fdt_supernode_atdepth_offset(fdt, nodeoffset, 0, NULL); + * will always return 0, the offset of the root node. If the node at + * nodeoffset has depth D, then: + * fdt_supernode_atdepth_offset(fdt, nodeoffset, D, NULL); + * will return nodeoffset itself. + * + * NOTE: This function is expensive, as it must scan the device tree + * structure from the start to nodeoffset. + * + * returns: + + * structure block offset of the node at node offset's ancestor + * of depth supernodedepth (>=0), on success + * -FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag +* -FDT_ERR_NOTFOUND, supernodedepth was greater than the depth of nodeoffset + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, standard meanings + */ +int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset, + int supernodedepth, int *nodedepth); + +/** + * fdt_node_depth - find the depth of a given node + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose parent to find + * + * fdt_node_depth() finds the depth of a given node. The root node + * has depth 0, its immediate subnodes depth 1 and so forth. + * + * NOTE: This function is expensive, as it must scan the device tree + * structure from the start to nodeoffset. + * + * returns: + * depth of the node at nodeoffset (>=0), on success + * -FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, standard meanings + */ +int fdt_node_depth(const void *fdt, int nodeoffset); + +/** + * fdt_parent_offset - find the parent of a given node + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of the node whose parent to find + * + * fdt_parent_offset() locates the parent node of a given node (that + * is, it finds the offset of the node which contains the node at + * nodeoffset as a subnode). + * + * NOTE: This function is expensive, as it must scan the device tree + * structure from the start to nodeoffset, *twice*. + * + * returns: + * stucture block offset of the parent of the node at nodeoffset + * (>=0), on success + * -FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, standard meanings + */ +int fdt_parent_offset(const void *fdt, int nodeoffset); + +/** + * fdt_node_offset_by_prop_value - find nodes with a given property value + * @fdt: pointer to the device tree blob + * @startoffset: only find nodes after this offset + * @propname: property name to check + * @propval: property value to search for + * @proplen: length of the value in propval + * + * fdt_node_offset_by_prop_value() returns the offset of the first + * node after startoffset, which has a property named propname whose + * value is of length proplen and has value equal to propval; or if + * startoffset is -1, the very first such node in the tree. + * + * To iterate through all nodes matching the criterion, the following + * idiom can be used: + * offset = fdt_node_offset_by_prop_value(fdt, -1, propname, + * propval, proplen); + * while (offset != -FDT_ERR_NOTFOUND) { + * // other code here + * offset = fdt_node_offset_by_prop_value(fdt, offset, propname, + * propval, proplen); + * } + * + * Note the -1 in the first call to the function, if 0 is used here + * instead, the function will never locate the root node, even if it + * matches the criterion. + * + * returns: + * structure block offset of the located node (>= 0, >startoffset), + * on success + * -FDT_ERR_NOTFOUND, no node matching the criterion exists in the + * tree after startoffset + * -FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, standard meanings + */ +int fdt_node_offset_by_prop_value(const void *fdt, int startoffset, + const char *propname, + const void *propval, int proplen); + +/** + * fdt_node_offset_by_phandle - find the node with a given phandle + * @fdt: pointer to the device tree blob + * @phandle: phandle value + * + * fdt_node_offset_by_prop_value() returns the offset of the node + * which has the given phandle value. If there is more than one node + * in the tree with the given phandle (an invalid tree), results are + * undefined. + * + * returns: + * structure block offset of the located node (>= 0), on success + * -FDT_ERR_NOTFOUND, no node with that phandle exists + * -FDT_ERR_BADPHANDLE, given phandle value was invalid (0 or -1) + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, standard meanings + */ +int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle); + +/** + * fdt_node_check_compatible: check a node's compatible property + * @fdt: pointer to the device tree blob + * @nodeoffset: offset of a tree node + * @compatible: string to match against + * + * + * fdt_node_check_compatible() returns 0 if the given node contains a + * 'compatible' property with the given string as one of its elements, + * it returns non-zero otherwise, or on error. + * + * returns: + * 0, if the node has a 'compatible' property listing the given string + * 1, if the node has a 'compatible' property, but it does not list + * the given string + * -FDT_ERR_NOTFOUND, if the given node has no 'compatible' property + * -FDT_ERR_BADOFFSET, if nodeoffset does not refer to a BEGIN_NODE tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, standard meanings + */ +int fdt_node_check_compatible(const void *fdt, int nodeoffset, + const char *compatible); + +/** + * fdt_node_offset_by_compatible - find nodes with a given 'compatible' value + * @fdt: pointer to the device tree blob + * @startoffset: only find nodes after this offset + * @compatible: 'compatible' string to match against + * + * fdt_node_offset_by_compatible() returns the offset of the first + * node after startoffset, which has a 'compatible' property which + * lists the given compatible string; or if startoffset is -1, the + * very first such node in the tree. + * + * To iterate through all nodes matching the criterion, the following + * idiom can be used: + * offset = fdt_node_offset_by_compatible(fdt, -1, compatible); + * while (offset != -FDT_ERR_NOTFOUND) { + * // other code here + * offset = fdt_node_offset_by_compatible(fdt, offset, compatible); + * } + * + * Note the -1 in the first call to the function, if 0 is used here + * instead, the function will never locate the root node, even if it + * matches the criterion. + * + * returns: + * structure block offset of the located node (>= 0, >startoffset), + * on success + * -FDT_ERR_NOTFOUND, no node matching the criterion exists in the + * tree after startoffset + * -FDT_ERR_BADOFFSET, nodeoffset does not refer to a BEGIN_NODE tag + * -FDT_ERR_BADMAGIC, + * -FDT_ERR_BADVERSION, + * -FDT_ERR_BADSTATE, + * -FDT_ERR_BADSTRUCTURE, standard meanings + */ +int fdt_node_offset_by_compatible(const void *fdt, int startoffset, + const char *compatible); + +/**********************************************************************/ +/* Write-in-place functions */ +/**********************************************************************/ + +int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name, + const void *val, int len); +static inline int fdt_setprop_inplace_cell(void *fdt, int nodeoffset, + const char *name, uint32_t val) +{ + val = cpu_to_fdt32(val); + return fdt_setprop_inplace(fdt, nodeoffset, name, &val, sizeof(val)); +} + +int fdt_nop_property(void *fdt, int nodeoffset, const char *name); +int fdt_nop_node(void *fdt, int nodeoffset); + +/**********************************************************************/ +/* Sequential write functions */ +/**********************************************************************/ + +int fdt_create(void *buf, int bufsize); +int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size); +int fdt_finish_reservemap(void *fdt); +int fdt_begin_node(void *fdt, const char *name); +int fdt_property(void *fdt, const char *name, const void *val, int len); +static inline int fdt_property_cell(void *fdt, const char *name, uint32_t val) +{ + val = cpu_to_fdt32(val); + return fdt_property(fdt, name, &val, sizeof(val)); +} +#define fdt_property_string(fdt, name, str) \ + fdt_property(fdt, name, str, strlen(str)+1) +int fdt_end_node(void *fdt); +int fdt_finish(void *fdt); + +/**********************************************************************/ +/* Read-write functions */ +/**********************************************************************/ + +int fdt_open_into(const void *fdt, void *buf, int bufsize); +int fdt_pack(void *fdt); + +int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size); +int fdt_del_mem_rsv(void *fdt, int n); + +int fdt_setprop(void *fdt, int nodeoffset, const char *name, + const void *val, int len); +static inline int fdt_setprop_cell(void *fdt, int nodeoffset, const char *name, + uint32_t val) +{ + val = cpu_to_fdt32(val); + return fdt_setprop(fdt, nodeoffset, name, &val, sizeof(val)); +} +#define fdt_setprop_string(fdt, nodeoffset, name, str) \ + fdt_setprop((fdt), (nodeoffset), (name), (str), strlen(str)+1) +int fdt_delprop(void *fdt, int nodeoffset, const char *name); +int fdt_add_subnode_namelen(void *fdt, int parentoffset, + const char *name, int namelen); +int fdt_add_subnode(void *fdt, int parentoffset, const char *name); +int fdt_del_node(void *fdt, int nodeoffset); + +/**********************************************************************/ +/* Debugging / informational functions */ +/**********************************************************************/ + +const char *fdt_strerror(int errval); + +#endif /* _LIBFDT_H */ diff --git a/arch/powerpc/boot/libfdt/libfdt_internal.h b/arch/powerpc/boot/libfdt/libfdt_internal.h new file mode 100644 index 000000000000..1e60936beb5b --- /dev/null +++ b/arch/powerpc/boot/libfdt/libfdt_internal.h @@ -0,0 +1,89 @@ +#ifndef _LIBFDT_INTERNAL_H +#define _LIBFDT_INTERNAL_H +/* + * libfdt - Flat Device Tree manipulation + * Copyright (C) 2006 David Gibson, IBM Corporation. + * + * libfdt is dual licensed: you can use it either under the terms of + * the GPL, or the BSD license, at your option. + * + * a) This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + * + * Alternatively, + * + * b) Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * 1. Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include <fdt.h> + +#define ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1)) +#define PALIGN(p, a) ((void *)ALIGN((unsigned long)(p), (a))) + +#define memeq(p, q, n) (memcmp((p), (q), (n)) == 0) +#define streq(p, q) (strcmp((p), (q)) == 0) + +uint32_t _fdt_next_tag(const void *fdt, int startoffset, int *nextoffset); +const char *_fdt_find_string(const char *strtab, int tabsize, const char *s); +int _fdt_node_end_offset(void *fdt, int nodeoffset); + +static inline const void *_fdt_offset_ptr(const void *fdt, int offset) +{ + return fdt + fdt_off_dt_struct(fdt) + offset; +} + +static inline void *_fdt_offset_ptr_w(void *fdt, int offset) +{ + return (void *)_fdt_offset_ptr(fdt, offset); +} + +static inline const struct fdt_reserve_entry *_fdt_mem_rsv(const void *fdt, int n) +{ + const struct fdt_reserve_entry *rsv_table = + fdt + fdt_off_mem_rsvmap(fdt); + + return rsv_table + n; +} +static inline struct fdt_reserve_entry *_fdt_mem_rsv_w(void *fdt, int n) +{ + return (void *)_fdt_mem_rsv(fdt, n); +} + +#define SW_MAGIC (~FDT_MAGIC) + +#endif /* _LIBFDT_INTERNAL_H */ diff --git a/arch/powerpc/boot/libfdt_env.h b/arch/powerpc/boot/libfdt_env.h new file mode 100644 index 000000000000..a4b0fc959ece --- /dev/null +++ b/arch/powerpc/boot/libfdt_env.h @@ -0,0 +1,17 @@ +#ifndef _ARCH_POWERPC_BOOT_LIBFDT_ENV_H +#define _ARCH_POWERPC_BOOT_LIBFDT_ENV_H + +#include <types.h> +#include <string.h> + +typedef u32 uint32_t; +typedef u64 uint64_t; + +#define fdt16_to_cpu(x) (x) +#define cpu_to_fdt16(x) (x) +#define fdt32_to_cpu(x) (x) +#define cpu_to_fdt32(x) (x) +#define fdt64_to_cpu(x) (x) +#define cpu_to_fdt64(x) (x) + +#endif /* _ARCH_POWERPC_BOOT_LIBFDT_ENV_H */ diff --git a/arch/powerpc/boot/main.c b/arch/powerpc/boot/main.c index 1b496b37eca0..9e7f3ddd9913 100644 --- a/arch/powerpc/boot/main.c +++ b/arch/powerpc/boot/main.c @@ -16,7 +16,6 @@ #include "stdio.h" #include "ops.h" #include "gunzip_util.h" -#include "flatdevtree.h" #include "reg.h" static struct gunzip_state gzstate; diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h index a180b6505f47..6036a98e646a 100644 --- a/arch/powerpc/boot/ops.h +++ b/arch/powerpc/boot/ops.h @@ -79,7 +79,7 @@ struct loader_info { extern struct loader_info loader_info; void start(void); -int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device); +void fdt_init(void *blob); int serial_console_init(void); int ns16550_console_init(void *devp, struct serial_console_data *scdp); int mpsc_console_init(void *devp, struct serial_console_data *scdp); diff --git a/arch/powerpc/boot/prpmc2800.c b/arch/powerpc/boot/prpmc2800.c index 9614e1db9dae..05c3245b30d7 100644 --- a/arch/powerpc/boot/prpmc2800.c +++ b/arch/powerpc/boot/prpmc2800.c @@ -547,8 +547,7 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, if (!dtb) exit(); memmove(dtb, _dtb_start, dt_size); - if (ft_init(dtb, dt_size, 16)) - exit(); + fdt_init(dtb); bridge_base = mv64x60_get_bridge_base(); diff --git a/arch/powerpc/boot/ps3.c b/arch/powerpc/boot/ps3.c index d6661151b494..3b0ac4d006ec 100644 --- a/arch/powerpc/boot/ps3.c +++ b/arch/powerpc/boot/ps3.c @@ -131,7 +131,7 @@ void platform_init(void) printf("\n-- PS3 bootwrapper --\n"); simple_alloc_init(_end, heapsize, 32, 64); - ft_init(_dtb_start, 0, 4); + fdt_init(_dtb_start); chosen = finddevice("/chosen"); diff --git a/arch/powerpc/boot/treeboot-walnut.c b/arch/powerpc/boot/treeboot-walnut.c index bb2c309d70fc..70ffce343c0a 100644 --- a/arch/powerpc/boot/treeboot-walnut.c +++ b/arch/powerpc/boot/treeboot-walnut.c @@ -128,6 +128,6 @@ void platform_init(void) simple_alloc_init(_end, avail_ram, 32, 32); platform_ops.fixups = walnut_fixups; platform_ops.exit = ibm40x_dbcr_reset; - ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + fdt_init(_dtb_start); serial_console_init(); } diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 31147a037728..f961cdeb97a2 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -45,6 +45,7 @@ CROSS= # directory for object and other files used by this script object=arch/powerpc/boot +objbin=$object # directory for working files tmpdir=. @@ -95,6 +96,7 @@ while [ "$#" -gt 0 ]; do shift [ "$#" -gt 0 ] || usage object="$1" + objbin="$1" ;; -W) shift @@ -116,10 +118,13 @@ while [ "$#" -gt 0 ]; do done if [ -n "$dts" ]; then + if [ ! -r "$dts" -a -r "$object/dts/$dts" ]; then + dts="$object/dts/$dts" + fi if [ -z "$dtb" ]; then dtb="$platform.dtb" fi - dtc -O dtb -o "$dtb" -b 0 -V 16 "$dts" + $object/dtc -O dtb -o "$dtb" -b 0 "$dts" fi if [ -z "$kernel" ]; then @@ -246,11 +251,11 @@ fi # post-processing needed for some platforms case "$platform" in pseries|chrp) - $object/addnote "$ofile" + $objbin/addnote "$ofile" ;; coff) ${CROSS}objcopy -O aixcoff-rs6000 --set-start "$entry" "$ofile" - $object/hack-coff "$ofile" + $objbin/hack-coff "$ofile" ;; cuboot*) gzip -f -9 "$ofile" @@ -259,7 +264,7 @@ cuboot*) ;; treeboot*) mv "$ofile" "$ofile.elf" - $object/mktree "$ofile.elf" "$ofile" "$base" "$entry" + $objbin/mktree "$ofile.elf" "$ofile" "$base" "$entry" if [ -z "$cacheit" ]; then rm -f "$ofile.elf" fi @@ -287,8 +292,6 @@ ps3) overlay_dest="256" overlay_size="256" - rm -f "$object/otheros.bld" - ${CROSS}objcopy -O binary "$ofile" "$ofile.bin" dd if="$ofile.bin" of="$ofile.bin" conv=notrunc \ @@ -299,6 +302,8 @@ ps3) skip=$system_reset_overlay seek=$overlay_dest \ count=$overlay_size bs=1 - gzip --force -9 --stdout "$ofile.bin" > "$object/otheros.bld" + odir="$(dirname "$ofile.bin")" + rm -f "$odir/otheros.bld" + gzip --force -9 --stdout "$ofile.bin" > "$odir/otheros.bld" ;; esac diff --git a/arch/powerpc/configs/celleb_defconfig b/arch/powerpc/configs/celleb_defconfig index 421e08ee857a..9ed2e098f96f 100644 --- a/arch/powerpc/configs/celleb_defconfig +++ b/arch/powerpc/configs/celleb_defconfig @@ -50,7 +50,8 @@ CONFIG_AUDIT_ARCH=y CONFIG_GENERIC_BUG=y # CONFIG_DEFAULT_UIMAGE is not set # CONFIG_PPC_DCR_NATIVE is not set -# CONFIG_PPC_DCR_MMIO is not set +CONFIG_PPC_DCR_MMIO=y +CONFIG_PPC_DCR=y CONFIG_PPC_OF_PLATFORM_PCI=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" @@ -148,7 +149,7 @@ CONFIG_PPC_MULTIPLATFORM=y CONFIG_PPC_CELLEB=y # CONFIG_PPC_PS3 is not set CONFIG_PPC_CELL=y -# CONFIG_PPC_CELL_NATIVE is not set +CONFIG_PPC_CELL_NATIVE=y # CONFIG_PPC_IBM_CELL_BLADE is not set # @@ -157,13 +158,19 @@ CONFIG_PPC_CELL=y CONFIG_SPU_FS=y CONFIG_SPU_FS_64K_LS=y CONFIG_SPU_BASE=y +CONFIG_CBE_RAS=y +# CONFIG_CBE_THERM is not set # CONFIG_PQ2ADS is not set +CONFIG_PPC_NATIVE=y +CONFIG_UDBG_RTAS_CONSOLE=y CONFIG_PPC_UDBG_BEAT=y -# CONFIG_MPIC is not set +CONFIG_MPIC=y # CONFIG_MPIC_WEIRD is not set # CONFIG_PPC_I8259 is not set # CONFIG_U3_DART is not set -# CONFIG_PPC_RTAS is not set +CONFIG_PPC_RTAS=y +# CONFIG_RTAS_ERROR_LOGGING is not set +# CONFIG_RTAS_PROC is not set # CONFIG_MMIO_NVRAM is not set # CONFIG_PPC_MPC106 is not set # CONFIG_PPC_970_NAP is not set @@ -593,10 +600,11 @@ CONFIG_MII=y # CONFIG_NET_VENDOR_3COM is not set # CONFIG_NET_TULIP is not set # CONFIG_HP100 is not set -# CONFIG_IBM_NEW_EMAC_ZMII is not set -# CONFIG_IBM_NEW_EMAC_RGMII is not set -# CONFIG_IBM_NEW_EMAC_TAH is not set -# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC is not set +CONFIG_IBM_NEW_EMAC_ZMII=y +CONFIG_IBM_NEW_EMAC_RGMII=y +CONFIG_IBM_NEW_EMAC_TAH=y +CONFIG_IBM_NEW_EMAC_EMAC4=y # CONFIG_NET_PCI is not set # CONFIG_B44 is not set CONFIG_NETDEV_1000=y @@ -741,6 +749,7 @@ CONFIG_SERIAL_TXX9_CONSOLE=y CONFIG_UNIX98_PTYS=y # CONFIG_LEGACY_PTYS is not set CONFIG_HVC_DRIVER=y +CONFIG_HVC_RTAS=y CONFIG_HVC_BEAT=y # CONFIG_IPMI_HANDLER is not set # CONFIG_HW_RANDOM is not set @@ -822,6 +831,7 @@ CONFIG_WATCHDOG=y # Watchdog Device Drivers # # CONFIG_SOFT_WATCHDOG is not set +# CONFIG_WATCHDOG_RTAS is not set # # PCI-based Watchdog Cards @@ -1245,17 +1255,7 @@ CONFIG_XMON_DISASSEMBLY=y CONFIG_IRQSTACKS=y # CONFIG_VIRQ_DEBUG is not set # CONFIG_BOOTX_TEXT is not set -CONFIG_PPC_EARLY_DEBUG=y -# CONFIG_PPC_EARLY_DEBUG_LPAR is not set -# CONFIG_PPC_EARLY_DEBUG_G5 is not set -# CONFIG_PPC_EARLY_DEBUG_RTAS_PANEL is not set -# CONFIG_PPC_EARLY_DEBUG_RTAS_CONSOLE is not set -# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set -# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set -# CONFIG_PPC_EARLY_DEBUG_PAS_REALMODE is not set -CONFIG_PPC_EARLY_DEBUG_BEAT=y -# CONFIG_PPC_EARLY_DEBUG_44x is not set -# CONFIG_PPC_EARLY_DEBUG_CPM is not set +# CONFIG_PPC_EARLY_DEBUG is not set # # Security options diff --git a/arch/powerpc/configs/mpc837x_mds_defconfig b/arch/powerpc/configs/mpc837x_mds_defconfig new file mode 100644 index 000000000000..4f49aee5da66 --- /dev/null +++ b/arch/powerpc/configs/mpc837x_mds_defconfig @@ -0,0 +1,878 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.23 +# Wed Oct 10 16:31:39 2007 +# +# CONFIG_PPC64 is not set + +# +# Processor support +# +CONFIG_6xx=y +# CONFIG_PPC_85xx is not set +# CONFIG_PPC_8xx is not set +# CONFIG_40x is not set +# CONFIG_44x is not set +# CONFIG_E200 is not set +CONFIG_83xx=y +CONFIG_PPC_FPU=y +CONFIG_PPC_STD_MMU=y +CONFIG_PPC_STD_MMU_32=y +# CONFIG_PPC_MM_SLICES is not set +# CONFIG_SMP is not set +CONFIG_PPC32=y +CONFIG_PPC_MERGE=y +CONFIG_MMU=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_IRQ_PER_CPU=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_ARCH_HAS_ILOG2_U32=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +# CONFIG_ARCH_NO_VIRT_TO_BUS is not set +CONFIG_PPC=y +CONFIG_EARLY_PRINTK=y +CONFIG_GENERIC_NVRAM=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +CONFIG_OF=y +CONFIG_PPC_UDBG_16550=y +# CONFIG_GENERIC_TBSYNC is not set +CONFIG_AUDIT_ARCH=y +CONFIG_GENERIC_BUG=y +CONFIG_DEFAULT_UIMAGE=y +# CONFIG_PPC_DCR_NATIVE is not set +# CONFIG_PPC_DCR_MMIO is not set +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_USER_NS is not set +# CONFIG_AUDIT is not set +# CONFIG_IKCONFIG is not set +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_ANON_INODES=y +# CONFIG_EPOLL is not set +CONFIG_SIGNALFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +# CONFIG_KMOD is not set +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set +# CONFIG_BLK_DEV_BSG is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" + +# +# Platform support +# +# CONFIG_PPC_MULTIPLATFORM is not set +# CONFIG_EMBEDDED6xx is not set +# CONFIG_PPC_82xx is not set +CONFIG_PPC_83xx=y +# CONFIG_PPC_86xx is not set +# CONFIG_PPC_MPC52xx is not set +# CONFIG_PPC_MPC5200 is not set +# CONFIG_PPC_CELL is not set +# CONFIG_PPC_CELL_NATIVE is not set +# CONFIG_PQ2ADS is not set +# CONFIG_MPC8313_RDB is not set +# CONFIG_MPC832x_MDS is not set +# CONFIG_MPC832x_RDB is not set +# CONFIG_MPC834x_MDS is not set +# CONFIG_MPC834x_ITX is not set +# CONFIG_MPC836x_MDS is not set +CONFIG_MPC837x_MDS=y +CONFIG_PPC_MPC837x=y +# CONFIG_MPIC is not set +# CONFIG_MPIC_WEIRD is not set +# CONFIG_PPC_I8259 is not set +# CONFIG_PPC_RTAS is not set +# CONFIG_MMIO_NVRAM is not set +# CONFIG_PPC_MPC106 is not set +# CONFIG_PPC_970_NAP is not set +# CONFIG_PPC_INDIRECT_IO is not set +# CONFIG_GENERIC_IOMAP is not set +# CONFIG_CPU_FREQ is not set +# CONFIG_CPM2 is not set +# CONFIG_FSL_ULI1575 is not set +CONFIG_FSL_SERDES=y + +# +# Kernel options +# +# CONFIG_HIGHMEM is not set +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +CONFIG_PREEMPT_NONE=y +# CONFIG_PREEMPT_VOLUNTARY is not set +# CONFIG_PREEMPT is not set +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_MISC is not set +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y +CONFIG_VIRT_TO_BUS=y +CONFIG_PROC_DEVICETREE=y +# CONFIG_CMDLINE_BOOL is not set +# CONFIG_PM is not set +CONFIG_SUSPEND_UP_POSSIBLE=y +CONFIG_HIBERNATION_UP_POSSIBLE=y +CONFIG_SECCOMP=y +CONFIG_WANT_DEVICE_TREE=y +CONFIG_DEVICE_TREE="" +CONFIG_ISA_DMA_API=y + +# +# Bus options +# +CONFIG_ZONE_DMA=y +CONFIG_GENERIC_ISA_DMA=y +CONFIG_PPC_INDIRECT_PCI=y +CONFIG_FSL_SOC=y +# CONFIG_PCI is not set +# CONFIG_PCI_DOMAINS is not set +# CONFIG_PCI_SYSCALL is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set + +# +# PCCARD (PCMCIA/CardBus) support +# +# CONFIG_PCCARD is not set + +# +# Advanced setup +# +# CONFIG_ADVANCED_OPTIONS is not set + +# +# Default settings for advanced configuration options are used +# +CONFIG_HIGHMEM_START=0xfe000000 +CONFIG_LOWMEM_SIZE=0x30000000 +CONFIG_KERNEL_START=0xc0000000 +CONFIG_TASK_SIZE=0x80000000 +CONFIG_BOOT_LOAD=0x00800000 + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +CONFIG_XFRM_USER=m +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_IP_MROUTE is not set +# CONFIG_ARPD is not set +CONFIG_SYN_COOKIES=y +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_MAC80211 is not set +# CONFIG_IEEE80211 is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_FW_LOADER is not set +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +# CONFIG_MTD is not set +CONFIG_OF_DEVICE=y +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_FD is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +# CONFIG_BLK_DEV_CRYPTOLOOP is not set +# CONFIG_BLK_DEV_NBD is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=32768 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +CONFIG_MISC_DEVICES=y +# CONFIG_EEPROM_93CX6 is not set +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=y +CONFIG_SCSI_DMA=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +# CONFIG_BLK_DEV_SR is not set +CONFIG_CHR_DEV_SG=y +# CONFIG_CHR_DEV_SCH is not set + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +# CONFIG_SCSI_MULTI_LUN is not set +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set +CONFIG_SCSI_LOWLEVEL=y +# CONFIG_ISCSI_TCP is not set +# CONFIG_SCSI_DEBUG is not set +CONFIG_ATA=y +# CONFIG_ATA_NONSTANDARD is not set +CONFIG_SATA_FSL=y +# CONFIG_PATA_PLATFORM is not set +# CONFIG_MD is not set +# CONFIG_MACINTOSH_DRIVERS is not set +CONFIG_NETDEVICES=y +# CONFIG_NETDEVICES_MULTIQUEUE is not set +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +CONFIG_MARVELL_PHY=y +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_FIXED_PHY is not set +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +CONFIG_NETDEV_1000=y +CONFIG_GIANFAR=y +# CONFIG_GFAR_NAPI is not set +CONFIG_NETDEV_10000=y + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set +# CONFIG_WAN is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_SHAPER is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set + +# +# Userland interfaces +# +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_INPUT_JOYDEV is not set +# CONFIG_INPUT_TSDEV is not set +# CONFIG_INPUT_EVDEV is not set +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +# CONFIG_SERIAL_8250_EXTENDED is not set + +# +# Non-8250 serial port support +# +# CONFIG_SERIAL_UARTLITE is not set +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_OF_PLATFORM is not set +CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 +# CONFIG_IPMI_HANDLER is not set +CONFIG_WATCHDOG=y +# CONFIG_WATCHDOG_NOWAYOUT is not set + +# +# Watchdog Device Drivers +# +# CONFIG_SOFT_WATCHDOG is not set +CONFIG_83xx_WDT=y +# CONFIG_HW_RANDOM is not set +# CONFIG_NVRAM is not set +CONFIG_GEN_RTC=y +# CONFIG_GEN_RTC_X is not set +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=y + +# +# I2C Algorithms +# +# CONFIG_I2C_ALGOBIT is not set +# CONFIG_I2C_ALGOPCF is not set +# CONFIG_I2C_ALGOPCA is not set + +# +# I2C Hardware Bus support +# +CONFIG_I2C_MPC=y +# CONFIG_I2C_OCORES is not set +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_SIMTEC is not set +# CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_STUB is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_SENSORS_DS1337 is not set +# CONFIG_SENSORS_DS1374 is not set +# CONFIG_DS1682 is not set +# CONFIG_SENSORS_EEPROM is not set +# CONFIG_SENSORS_PCF8574 is not set +# CONFIG_SENSORS_PCA9539 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_SENSORS_M41T00 is not set +# CONFIG_SENSORS_MAX6875 is not set +# CONFIG_SENSORS_TSL2550 is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set + +# +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_ABITUGURU3 is not set +# CONFIG_SENSORS_AD7418 is not set +# CONFIG_SENSORS_ADM1021 is not set +# CONFIG_SENSORS_ADM1025 is not set +# CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set +# CONFIG_SENSORS_ADM1031 is not set +# CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ASB100 is not set +# CONFIG_SENSORS_ATXP1 is not set +# CONFIG_SENSORS_DS1621 is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_FSCHER is not set +# CONFIG_SENSORS_FSCPOS is not set +# CONFIG_SENSORS_GL518SM is not set +# CONFIG_SENSORS_GL520SM is not set +# CONFIG_SENSORS_IT87 is not set +# CONFIG_SENSORS_LM63 is not set +# CONFIG_SENSORS_LM75 is not set +# CONFIG_SENSORS_LM77 is not set +# CONFIG_SENSORS_LM78 is not set +# CONFIG_SENSORS_LM80 is not set +# CONFIG_SENSORS_LM83 is not set +# CONFIG_SENSORS_LM85 is not set +# CONFIG_SENSORS_LM87 is not set +# CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set +# CONFIG_SENSORS_LM93 is not set +# CONFIG_SENSORS_MAX1619 is not set +# CONFIG_SENSORS_MAX6650 is not set +# CONFIG_SENSORS_PC87360 is not set +# CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_DME1737 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47M192 is not set +# CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_THMC50 is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_SENSORS_W83781D is not set +# CONFIG_SENSORS_W83791D is not set +# CONFIG_SENSORS_W83792D is not set +# CONFIG_SENSORS_W83793 is not set +# CONFIG_SENSORS_W83L785TS is not set +# CONFIG_SENSORS_W83627HF is not set +# CONFIG_SENSORS_W83627EHF is not set +# CONFIG_HWMON_DEBUG_CHIP is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# +# Multimedia devices +# +# CONFIG_VIDEO_DEV is not set +# CONFIG_DVB_CORE is not set +CONFIG_DAB=y + +# +# Graphics support +# +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set +# CONFIG_VGASTATE is not set +CONFIG_VIDEO_OUTPUT_CONTROL=m +# CONFIG_FB is not set +# CONFIG_FB_IBM_GXT4500 is not set + +# +# Sound +# +# CONFIG_SOUND is not set +CONFIG_HID_SUPPORT=y +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set +CONFIG_USB_SUPPORT=y +CONFIG_USB_ARCH_HAS_HCD=y +# CONFIG_USB_ARCH_HAS_OHCI is not set +CONFIG_USB_ARCH_HAS_EHCI=y +# CONFIG_USB is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# USB Gadget Support +# +# CONFIG_USB_GADGET is not set +# CONFIG_MMC is not set +# CONFIG_NEW_LEDS is not set +# CONFIG_EDAC is not set +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# + +# +# Userspace I/O +# +# CONFIG_UIO is not set + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +# CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +CONFIG_DNOTIFY=y +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +# CONFIG_CRAMFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set + +# +# Network File Systems +# +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +CONFIG_NFS_V4=y +# CONFIG_NFS_DIRECTIO is not set +# CONFIG_NFSD is not set +CONFIG_ROOT_NFS=y +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +CONFIG_SUNRPC_GSS=y +# CONFIG_SUNRPC_BIND34 is not set +CONFIG_RPCSEC_GSS_KRB5=y +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +CONFIG_PARTITION_ADVANCED=y +# CONFIG_ACORN_PARTITION is not set +# CONFIG_OSF_PARTITION is not set +# CONFIG_AMIGA_PARTITION is not set +# CONFIG_ATARI_PARTITION is not set +# CONFIG_MAC_PARTITION is not set +CONFIG_MSDOS_PARTITION=y +# CONFIG_BSD_DISKLABEL is not set +# CONFIG_MINIX_SUBPARTITION is not set +# CONFIG_SOLARIS_X86_PARTITION is not set +# CONFIG_UNIXWARE_DISKLABEL is not set +# CONFIG_LDM_PARTITION is not set +# CONFIG_SGI_PARTITION is not set +# CONFIG_ULTRIX_PARTITION is not set +# CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set +# CONFIG_EFI_PARTITION is not set +# CONFIG_SYSV68_PARTITION is not set + +# +# Native Language Support +# +# CONFIG_NLS is not set + +# +# Distributed Lock Manager +# +# CONFIG_DLM is not set +# CONFIG_UCC_SLOW is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y + +# +# Instrumentation Support +# +# CONFIG_PROFILING is not set +# CONFIG_KPROBES is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set +# CONFIG_DEBUG_KERNEL is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_PPC_EARLY_DEBUG is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +CONFIG_CRYPTO=y +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_MANAGER=y +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_MD4 is not set +CONFIG_CRYPTO_MD5=y +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_WP512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_GF128MUL is not set +CONFIG_CRYPTO_ECB=m +CONFIG_CRYPTO_CBC=y +CONFIG_CRYPTO_PCBC=m +# CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_CRYPTD is not set +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_TWOFISH is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_TEST is not set +CONFIG_CRYPTO_HW=y diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index 5760b9f033ea..7695a4c66e80 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.24-rc4 -# Thu Dec 6 16:49:07 2007 +# Fri Dec 21 14:47:29 2007 # CONFIG_PPC64=y @@ -211,7 +211,7 @@ CONFIG_MMIO_NVRAM=y CONFIG_MPIC_U3_HT_IRQS=y CONFIG_MPIC_BROKEN_REGREAD=y CONFIG_IBMVIO=y -# CONFIG_IBMEBUS is not set +CONFIG_IBMEBUS=y # CONFIG_PPC_MPC106 is not set CONFIG_PPC_970_NAP=y CONFIG_PPC_INDIRECT_IO=y @@ -375,7 +375,7 @@ CONFIG_INET_TUNNEL=y CONFIG_INET_XFRM_MODE_TRANSPORT=y CONFIG_INET_XFRM_MODE_TUNNEL=y CONFIG_INET_XFRM_MODE_BEET=y -# CONFIG_INET_LRO is not set +CONFIG_INET_LRO=m CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set @@ -929,6 +929,7 @@ CONFIG_SPIDER_NET=m CONFIG_NETDEV_10000=y # CONFIG_CHELSIO_T1 is not set # CONFIG_CHELSIO_T3 is not set +CONFIG_EHEA=m # CONFIG_IXGBE is not set CONFIG_IXGB=m # CONFIG_IXGB_NAPI is not set @@ -1558,6 +1559,7 @@ CONFIG_INFINIBAND_ADDR_TRANS=y CONFIG_INFINIBAND_MTHCA=m CONFIG_INFINIBAND_MTHCA_DEBUG=y # CONFIG_INFINIBAND_IPATH is not set +CONFIG_INFINIBAND_EHCA=m # CONFIG_INFINIBAND_AMSO1100 is not set # CONFIG_MLX4_INFINIBAND is not set CONFIG_INFINIBAND_IPOIB=m diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index ca51f0cf27ab..9374bc9a2dd1 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -3,7 +3,7 @@ # ifeq ($(CONFIG_PPC64),y) -EXTRA_CFLAGS += -mno-minimal-toc +CFLAGS_prom_init.o += -mno-minimal-toc endif ifeq ($(CONFIG_PPC32),y) CFLAGS_prom_init.o += -fPIC diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 9ed351f3c966..7c21f52d982a 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -888,7 +888,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .cpu_setup = __setup_cpu_603, .platform = "ppc603", }, - { /* e300c3 on 83xx */ + { /* e300c3 (e300c1, plus one IU, half cache size) on 83xx */ .pvr_mask = 0x7fff0000, .pvr_value = 0x00850000, .cpu_name = "e300c3", @@ -899,6 +899,17 @@ static struct cpu_spec __initdata cpu_specs[] = { .cpu_setup = __setup_cpu_603, .platform = "ppc603", }, + { /* e300c4 (e300c1, plus one IU) */ + .pvr_mask = 0x7fff0000, + .pvr_value = 0x00860000, + .cpu_name = "e300c4", + .cpu_features = CPU_FTRS_E300, + .cpu_user_features = COMMON_USER, + .icache_bsize = 32, + .dcache_bsize = 32, + .cpu_setup = __setup_cpu_603, + .platform = "ppc603", + }, { /* default match, we assume split I/D cache & TB (non-601)... */ .pvr_mask = 0x00000000, .pvr_value = 0x00000000, diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c index 72fd87156b24..caae49ff0668 100644 --- a/arch/powerpc/kernel/ibmebus.c +++ b/arch/powerpc/kernel/ibmebus.c @@ -52,7 +52,7 @@ static struct device ibmebus_bus_device = { /* fake "parent" device */ struct bus_type ibmebus_bus_type; /* These devices will automatically be added to the bus during init */ -static struct of_device_id builtin_matches[] = { +static struct of_device_id __initdata builtin_matches[] = { { .compatible = "IBM,lhca" }, { .compatible = "IBM,lhea" }, {}, diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 2d0c9ef555e9..47c3fe55242f 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -526,16 +526,14 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) return tbl; } -void iommu_free_table(struct device_node *dn) +void iommu_free_table(struct iommu_table *tbl, const char *node_name) { - struct pci_dn *pdn = dn->data; - struct iommu_table *tbl = pdn->iommu_table; unsigned long bitmap_sz, i; unsigned int order; if (!tbl || !tbl->it_map) { printk(KERN_ERR "%s: expected TCE map for %s\n", __FUNCTION__, - dn->full_name); + node_name); return; } @@ -544,7 +542,7 @@ void iommu_free_table(struct device_node *dn) for (i = 0; i < (tbl->it_size/64); i++) { if (tbl->it_map[i] != 0) { printk(KERN_WARNING "%s: Unexpected TCEs for %s\n", - __FUNCTION__, dn->full_name); + __FUNCTION__, node_name); break; } } diff --git a/arch/powerpc/kernel/isa-bridge.c b/arch/powerpc/kernel/isa-bridge.c index f0f49d1be3d5..ee172aa42aa7 100644 --- a/arch/powerpc/kernel/isa-bridge.c +++ b/arch/powerpc/kernel/isa-bridge.c @@ -108,7 +108,7 @@ static void __devinit pci_process_ISA_OF_ranges(struct device_node *isa_node, if (size > 0x10000) size = 0x10000; - printk(KERN_ERR "no ISA IO ranges or unexpected isa range," + printk(KERN_ERR "no ISA IO ranges or unexpected isa range, " "mapping 64k\n"); __ioremap_at(phb_io_base_phys, (void *)ISA_IO_BASE, @@ -116,7 +116,7 @@ static void __devinit pci_process_ISA_OF_ranges(struct device_node *isa_node, return; inval_range: - printk(KERN_ERR "no ISA IO ranges or unexpected isa range," + printk(KERN_ERR "no ISA IO ranges or unexpected isa range, " "mapping 64k\n"); __ioremap_at(phb_io_base_phys, (void *)ISA_IO_BASE, 0x10000, _PAGE_NO_CACHE|_PAGE_GUARDED); @@ -145,7 +145,7 @@ void __init isa_bridge_find_early(struct pci_controller *hose) for_each_node_by_type(np, "isa") { /* Look for our hose being a parent */ for (parent = of_get_parent(np); parent;) { - if (parent == hose->arch_data) { + if (parent == hose->dn) { of_node_put(parent); break; } diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index 4ed58875ee17..b9cae6b1f8ca 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -474,7 +474,7 @@ static int __init serial_dev_init(void) /* * Before we register the platfrom serial devices, we need - * to fixup their interrutps and their IO ports. + * to fixup their interrupts and their IO ports. */ DBG("Fixing serial ports interrupts and IO ports ...\n"); diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index ff781b2eddec..dcb89a88df46 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -41,7 +41,6 @@ /* #define LPARCFG_DEBUG */ static struct proc_dir_entry *proc_ppc64_lparcfg; -#define LPARCFG_BUFF_SIZE 4096 /* * Track sum of all purrs across all processors. This is used to further @@ -595,13 +594,6 @@ int __init lparcfg_init(void) ent = create_proc_entry("ppc64/lparcfg", mode, NULL); if (ent) { ent->proc_fops = &lparcfg_fops; - ent->data = kmalloc(LPARCFG_BUFF_SIZE, GFP_KERNEL); - if (!ent->data) { - printk(KERN_ERR - "Failed to allocate buffer for lparcfg\n"); - remove_proc_entry("lparcfg", ent->parent); - return -ENOMEM; - } } else { printk(KERN_ERR "Failed to create ppc64/lparcfg\n"); return -EIO; @@ -613,10 +605,8 @@ int __init lparcfg_init(void) void __exit lparcfg_cleanup(void) { - if (proc_ppc64_lparcfg) { - kfree(proc_ppc64_lparcfg->data); + if (proc_ppc64_lparcfg) remove_proc_entry("lparcfg", proc_ppc64_lparcfg->parent); - } } module_init(lparcfg_init); diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S index 330c9dc7db86..74ce0c7a7b1e 100644 --- a/arch/powerpc/kernel/misc.S +++ b/arch/powerpc/kernel/misc.S @@ -14,6 +14,7 @@ * 2 of the License, or (at your option) any later version. */ #include <asm/ppc_asm.h> +#include <asm/unistd.h> .text @@ -43,3 +44,10 @@ _GLOBAL(add_reloc_offset) add r3,r3,r5 mtlr r0 blr + +_GLOBAL(kernel_execve) + li r0,__NR_execve + sc + bnslr + neg r3,r3 + blr diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 8b642ab26d37..ea1137851a4a 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -793,13 +793,6 @@ _GLOBAL(kernel_thread) addi r1,r1,16 blr -_GLOBAL(kernel_execve) - li r0,__NR_execve - sc - bnslr - neg r3,r3 - blr - /* * This routine is just here to keep GCC happy - sigh... */ diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index bbb3ba54c51c..a3c491e88a72 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -518,13 +518,6 @@ _GLOBAL(giveup_altivec) #endif /* CONFIG_ALTIVEC */ -_GLOBAL(kernel_execve) - li r0,__NR_execve - sc - bnslr - neg r3,r3 - blr - /* kexec_wait(phys_cpu) * * wait for the flag to change, indicating this kernel is going away but diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c index 07a89a398639..eab313858315 100644 --- a/arch/powerpc/kernel/module_32.c +++ b/arch/powerpc/kernel/module_32.c @@ -24,6 +24,7 @@ #include <linux/kernel.h> #include <linux/cache.h> #include <linux/bug.h> +#include <linux/sort.h> #include "setup.h" @@ -54,22 +55,60 @@ void module_free(struct module *mod, void *module_region) addend) */ static unsigned int count_relocs(const Elf32_Rela *rela, unsigned int num) { - unsigned int i, j, ret = 0; - - /* Sure, this is order(n^2), but it's usually short, and not - time critical */ - for (i = 0; i < num; i++) { - for (j = 0; j < i; j++) { - /* If this addend appeared before, it's - already been counted */ - if (ELF32_R_SYM(rela[i].r_info) - == ELF32_R_SYM(rela[j].r_info) - && rela[i].r_addend == rela[j].r_addend) - break; + unsigned int i, r_info, r_addend, _count_relocs; + + _count_relocs = 0; + r_info = 0; + r_addend = 0; + for (i = 0; i < num; i++) + /* Only count 24-bit relocs, others don't need stubs */ + if (ELF32_R_TYPE(rela[i].r_info) == R_PPC_REL24 && + (r_info != ELF32_R_SYM(rela[i].r_info) || + r_addend != rela[i].r_addend)) { + _count_relocs++; + r_info = ELF32_R_SYM(rela[i].r_info); + r_addend = rela[i].r_addend; } - if (j == i) ret++; + + return _count_relocs; +} + +static int relacmp(const void *_x, const void *_y) +{ + const Elf32_Rela *x, *y; + + y = (Elf32_Rela *)_x; + x = (Elf32_Rela *)_y; + + /* Compare the entire r_info (as opposed to ELF32_R_SYM(r_info) only) to + * make the comparison cheaper/faster. It won't affect the sorting or + * the counting algorithms' performance + */ + if (x->r_info < y->r_info) + return -1; + else if (x->r_info > y->r_info) + return 1; + else if (x->r_addend < y->r_addend) + return -1; + else if (x->r_addend > y->r_addend) + return 1; + else + return 0; +} + +static void relaswap(void *_x, void *_y, int size) +{ + uint32_t *x, *y, tmp; + int i; + + y = (uint32_t *)_x; + x = (uint32_t *)_y; + + for (i = 0; i < sizeof(Elf32_Rela) / sizeof(uint32_t); i++) { + tmp = x[i]; + x[i] = y[i]; + y[i] = tmp; } - return ret; } /* Get the potential trampolines size required of the init and @@ -100,6 +139,16 @@ static unsigned long get_plt_size(const Elf32_Ehdr *hdr, DEBUGP("Ptr: %p. Number: %u\n", (void *)hdr + sechdrs[i].sh_offset, sechdrs[i].sh_size / sizeof(Elf32_Rela)); + + /* Sort the relocation information based on a symbol and + * addend key. This is a stable O(n*log n) complexity + * alogrithm but it will reduce the complexity of + * count_relocs() to linear complexity O(n) + */ + sort((void *)hdr + sechdrs[i].sh_offset, + sechdrs[i].sh_size / sizeof(Elf32_Rela), + sizeof(Elf32_Rela), relacmp, relaswap); + ret += count_relocs((void *)hdr + sechdrs[i].sh_offset, sechdrs[i].sh_size diff --git a/arch/powerpc/kernel/module_64.c b/arch/powerpc/kernel/module_64.c index 75c7c4f19280..3a82b02b784b 100644 --- a/arch/powerpc/kernel/module_64.c +++ b/arch/powerpc/kernel/module_64.c @@ -24,6 +24,7 @@ #include <asm/module.h> #include <asm/uaccess.h> #include <asm/firmware.h> +#include <linux/sort.h> #include "setup.h" @@ -81,25 +82,23 @@ static struct ppc64_stub_entry ppc64_stub = different addend) */ static unsigned int count_relocs(const Elf64_Rela *rela, unsigned int num) { - unsigned int i, j, ret = 0; + unsigned int i, r_info, r_addend, _count_relocs; /* FIXME: Only count external ones --RR */ - /* Sure, this is order(n^2), but it's usually short, and not - time critical */ - for (i = 0; i < num; i++) { + _count_relocs = 0; + r_info = 0; + r_addend = 0; + for (i = 0; i < num; i++) /* Only count 24-bit relocs, others don't need stubs */ - if (ELF64_R_TYPE(rela[i].r_info) != R_PPC_REL24) - continue; - for (j = 0; j < i; j++) { - /* If this addend appeared before, it's - already been counted */ - if (rela[i].r_info == rela[j].r_info - && rela[i].r_addend == rela[j].r_addend) - break; + if (ELF64_R_TYPE(rela[i].r_info) == R_PPC_REL24 && + (r_info != ELF64_R_SYM(rela[i].r_info) || + r_addend != rela[i].r_addend)) { + _count_relocs++; + r_info = ELF64_R_SYM(rela[i].r_info); + r_addend = rela[i].r_addend; } - if (j == i) ret++; - } - return ret; + + return _count_relocs; } void *module_alloc(unsigned long size) @@ -118,6 +117,44 @@ void module_free(struct module *mod, void *module_region) table entries. */ } +static int relacmp(const void *_x, const void *_y) +{ + const Elf64_Rela *x, *y; + + y = (Elf64_Rela *)_x; + x = (Elf64_Rela *)_y; + + /* Compare the entire r_info (as opposed to ELF64_R_SYM(r_info) only) to + * make the comparison cheaper/faster. It won't affect the sorting or + * the counting algorithms' performance + */ + if (x->r_info < y->r_info) + return -1; + else if (x->r_info > y->r_info) + return 1; + else if (x->r_addend < y->r_addend) + return -1; + else if (x->r_addend > y->r_addend) + return 1; + else + return 0; +} + +static void relaswap(void *_x, void *_y, int size) +{ + uint64_t *x, *y, tmp; + int i; + + y = (uint64_t *)_x; + x = (uint64_t *)_y; + + for (i = 0; i < sizeof(Elf64_Rela) / sizeof(uint64_t); i++) { + tmp = x[i]; + x[i] = y[i]; + y[i] = tmp; + } +} + /* Get size of potential trampolines required. */ static unsigned long get_stubs_size(const Elf64_Ehdr *hdr, const Elf64_Shdr *sechdrs) @@ -133,6 +170,16 @@ static unsigned long get_stubs_size(const Elf64_Ehdr *hdr, DEBUGP("Ptr: %p. Number: %lu\n", (void *)sechdrs[i].sh_addr, sechdrs[i].sh_size / sizeof(Elf64_Rela)); + + /* Sort the relocation information based on a symbol and + * addend key. This is a stable O(n*log n) complexity + * alogrithm but it will reduce the complexity of + * count_relocs() to linear complexity O(n) + */ + sort((void *)sechdrs[i].sh_addr, + sechdrs[i].sh_size / sizeof(Elf64_Rela), + sizeof(Elf64_Rela), relacmp, relaswap); + relocs += count_relocs((void *)sechdrs[i].sh_addr, sechdrs[i].sh_size / sizeof(Elf64_Rela)); @@ -343,7 +390,7 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, /* Simply set it */ *(u32 *)location = value; break; - + case R_PPC64_ADDR64: /* Simply set it */ *(unsigned long *)location = value; @@ -399,7 +446,7 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, } /* Only replace bits 2 through 26 */ - *(uint32_t *)location + *(uint32_t *)location = (*(uint32_t *)location & ~0x03fffffc) | (value & 0x03fffffc); break; diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c index aeaa20268ce2..de36e235a60a 100644 --- a/arch/powerpc/kernel/of_platform.c +++ b/arch/powerpc/kernel/of_platform.c @@ -40,7 +40,7 @@ * a bus type in the list */ -static struct of_device_id of_default_bus_ids[] = { +static const struct of_device_id of_default_bus_ids[] = { { .type = "soc", }, { .compatible = "soc", }, { .type = "spider", }, @@ -64,26 +64,6 @@ static int __init of_bus_driver_init(void) postcore_initcall(of_bus_driver_init); -int of_register_platform_driver(struct of_platform_driver *drv) -{ - /* initialize common driver fields */ - if (!drv->driver.name) - drv->driver.name = drv->name; - if (!drv->driver.owner) - drv->driver.owner = drv->owner; - drv->driver.bus = &of_platform_bus_type; - - /* register with core */ - return driver_register(&drv->driver); -} -EXPORT_SYMBOL(of_register_platform_driver); - -void of_unregister_platform_driver(struct of_platform_driver *drv) -{ - driver_unregister(&drv->driver); -} -EXPORT_SYMBOL(of_unregister_platform_driver); - struct of_device* of_platform_device_create(struct device_node *np, const char *bus_id, struct device *parent) @@ -120,8 +100,8 @@ EXPORT_SYMBOL(of_platform_device_create); * @matches: match table, NULL to use the default, OF_NO_DEEP_PROBE to * disallow recursive creation of child busses */ -static int of_platform_bus_create(struct device_node *bus, - struct of_device_id *matches, +static int of_platform_bus_create(const struct device_node *bus, + const struct of_device_id *matches, struct device *parent) { struct device_node *child; @@ -157,7 +137,7 @@ static int of_platform_bus_create(struct device_node *bus, */ int of_platform_bus_probe(struct device_node *root, - struct of_device_id *matches, + const struct of_device_id *matches, struct device *parent) { struct device_node *child; diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 2ae3b6f778a3..571854f2906c 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -48,32 +48,26 @@ static DEFINE_SPINLOCK(hose_spinlock); /* XXX kill that some day ... */ -int global_phb_number; /* Global phb counter */ +static int global_phb_number; /* Global phb counter */ -extern struct list_head hose_list; +/* ISA Memory physical address */ +resource_size_t isa_mem_base; -/* - * pci_controller(phb) initialized common variables. - */ -static void __devinit pci_setup_pci_controller(struct pci_controller *hose) -{ - memset(hose, 0, sizeof(struct pci_controller)); - - spin_lock(&hose_spinlock); - hose->global_number = global_phb_number++; - list_add_tail(&hose->list_node, &hose_list); - spin_unlock(&hose_spinlock); -} +/* Default PCI flags is 0 */ +unsigned int ppc_pci_flags; -struct pci_controller * pcibios_alloc_controller(struct device_node *dev) +struct pci_controller *pcibios_alloc_controller(struct device_node *dev) { struct pci_controller *phb; - phb = alloc_maybe_bootmem(sizeof(struct pci_controller), GFP_KERNEL); + phb = zalloc_maybe_bootmem(sizeof(struct pci_controller), GFP_KERNEL); if (phb == NULL) return NULL; - pci_setup_pci_controller(phb); - phb->arch_data = dev; + spin_lock(&hose_spinlock); + phb->global_number = global_phb_number++; + list_add_tail(&phb->list_node, &hose_list); + spin_unlock(&hose_spinlock); + phb->dn = dev; phb->is_dynamic = mem_init_done; #ifdef CONFIG_PPC64 if (dev) { @@ -126,15 +120,10 @@ int pcibios_vaddr_is_ioport(void __iomem *address) */ int pci_domain_nr(struct pci_bus *bus) { - if (firmware_has_feature(FW_FEATURE_ISERIES)) - return 0; - else { - struct pci_controller *hose = pci_bus_to_host(bus); + struct pci_controller *hose = pci_bus_to_host(bus); - return hose->global_number; - } + return hose->global_number; } - EXPORT_SYMBOL(pci_domain_nr); #ifdef CONFIG_PPC_OF @@ -153,7 +142,7 @@ struct pci_controller* pci_find_hose_for_OF_device(struct device_node* node) while(node) { struct pci_controller *hose, *tmp; list_for_each_entry_safe(hose, tmp, &hose_list, list_node) - if (hose->arch_data == node) + if (hose->dn == node) return hose; node = node->parent; } @@ -201,6 +190,20 @@ int pci_read_irq_line(struct pci_dev *pci_dev) struct of_irq oirq; unsigned int virq; + /* The current device-tree that iSeries generates from the HV + * PCI informations doesn't contain proper interrupt routing, + * and all the fallback would do is print out crap, so we + * don't attempt to resolve the interrupts here at all, some + * iSeries specific fixup does it. + * + * In the long run, we will hopefully fix the generated device-tree + * instead. + */ +#ifdef CONFIG_PPC_ISERIES + if (firmware_has_feature(FW_FEATURE_ISERIES)) + return -1; +#endif + DBG("Try to map irq for %s...\n", pci_name(pci_dev)); #ifdef DEBUG @@ -222,10 +225,11 @@ int pci_read_irq_line(struct pci_dev *pci_dev) if (pin == 0) return -1; if (pci_read_config_byte(pci_dev, PCI_INTERRUPT_LINE, &line) || - line == 0xff) { + line == 0xff || line == 0) { return -1; } - DBG(" -> no map ! Using irq line %d from PCI config\n", line); + DBG(" -> no map ! Using line %d (pin %d) from PCI config\n", + line, pin); virq = irq_create_mapping(NULL, line); if (virq != NO_IRQ) @@ -475,3 +479,722 @@ void pci_resource_to_user(const struct pci_dev *dev, int bar, *start = rsrc->start - offset; *end = rsrc->end - offset; } + +/** + * pci_process_bridge_OF_ranges - Parse PCI bridge resources from device tree + * @hose: newly allocated pci_controller to be setup + * @dev: device node of the host bridge + * @primary: set if primary bus (32 bits only, soon to be deprecated) + * + * This function will parse the "ranges" property of a PCI host bridge device + * node and setup the resource mapping of a pci controller based on its + * content. + * + * Life would be boring if it wasn't for a few issues that we have to deal + * with here: + * + * - We can only cope with one IO space range and up to 3 Memory space + * ranges. However, some machines (thanks Apple !) tend to split their + * space into lots of small contiguous ranges. So we have to coalesce. + * + * - We can only cope with all memory ranges having the same offset + * between CPU addresses and PCI addresses. Unfortunately, some bridges + * are setup for a large 1:1 mapping along with a small "window" which + * maps PCI address 0 to some arbitrary high address of the CPU space in + * order to give access to the ISA memory hole. + * The way out of here that I've chosen for now is to always set the + * offset based on the first resource found, then override it if we + * have a different offset and the previous was set by an ISA hole. + * + * - Some busses have IO space not starting at 0, which causes trouble with + * the way we do our IO resource renumbering. The code somewhat deals with + * it for 64 bits but I would expect problems on 32 bits. + * + * - Some 32 bits platforms such as 4xx can have physical space larger than + * 32 bits so we need to use 64 bits values for the parsing + */ +void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose, + struct device_node *dev, + int primary) +{ + const u32 *ranges; + int rlen; + int pna = of_n_addr_cells(dev); + int np = pna + 5; + int memno = 0, isa_hole = -1; + u32 pci_space; + unsigned long long pci_addr, cpu_addr, pci_next, cpu_next, size; + unsigned long long isa_mb = 0; + struct resource *res; + + printk(KERN_INFO "PCI host bridge %s %s ranges:\n", + dev->full_name, primary ? "(primary)" : ""); + + /* Get ranges property */ + ranges = of_get_property(dev, "ranges", &rlen); + if (ranges == NULL) + return; + + /* Parse it */ + while ((rlen -= np * 4) >= 0) { + /* Read next ranges element */ + pci_space = ranges[0]; + pci_addr = of_read_number(ranges + 1, 2); + cpu_addr = of_translate_address(dev, ranges + 3); + size = of_read_number(ranges + pna + 3, 2); + ranges += np; + if (cpu_addr == OF_BAD_ADDR || size == 0) + continue; + + /* Now consume following elements while they are contiguous */ + for (; rlen >= np * sizeof(u32); + ranges += np, rlen -= np * 4) { + if (ranges[0] != pci_space) + break; + pci_next = of_read_number(ranges + 1, 2); + cpu_next = of_translate_address(dev, ranges + 3); + if (pci_next != pci_addr + size || + cpu_next != cpu_addr + size) + break; + size += of_read_number(ranges + pna + 3, 2); + } + + /* Act based on address space type */ + res = NULL; + switch ((pci_space >> 24) & 0x3) { + case 1: /* PCI IO space */ + printk(KERN_INFO + " IO 0x%016llx..0x%016llx -> 0x%016llx\n", + cpu_addr, cpu_addr + size - 1, pci_addr); + + /* We support only one IO range */ + if (hose->pci_io_size) { + printk(KERN_INFO + " \\--> Skipped (too many) !\n"); + continue; + } +#ifdef CONFIG_PPC32 + /* On 32 bits, limit I/O space to 16MB */ + if (size > 0x01000000) + size = 0x01000000; + + /* 32 bits needs to map IOs here */ + hose->io_base_virt = ioremap(cpu_addr, size); + + /* Expect trouble if pci_addr is not 0 */ + if (primary) + isa_io_base = + (unsigned long)hose->io_base_virt; +#endif /* CONFIG_PPC32 */ + /* pci_io_size and io_base_phys always represent IO + * space starting at 0 so we factor in pci_addr + */ + hose->pci_io_size = pci_addr + size; + hose->io_base_phys = cpu_addr - pci_addr; + + /* Build resource */ + res = &hose->io_resource; + res->flags = IORESOURCE_IO; + res->start = pci_addr; + break; + case 2: /* PCI Memory space */ + printk(KERN_INFO + " MEM 0x%016llx..0x%016llx -> 0x%016llx %s\n", + cpu_addr, cpu_addr + size - 1, pci_addr, + (pci_space & 0x40000000) ? "Prefetch" : ""); + + /* We support only 3 memory ranges */ + if (memno >= 3) { + printk(KERN_INFO + " \\--> Skipped (too many) !\n"); + continue; + } + /* Handles ISA memory hole space here */ + if (pci_addr == 0) { + isa_mb = cpu_addr; + isa_hole = memno; + if (primary || isa_mem_base == 0) + isa_mem_base = cpu_addr; + } + + /* We get the PCI/Mem offset from the first range or + * the, current one if the offset came from an ISA + * hole. If they don't match, bugger. + */ + if (memno == 0 || + (isa_hole >= 0 && pci_addr != 0 && + hose->pci_mem_offset == isa_mb)) + hose->pci_mem_offset = cpu_addr - pci_addr; + else if (pci_addr != 0 && + hose->pci_mem_offset != cpu_addr - pci_addr) { + printk(KERN_INFO + " \\--> Skipped (offset mismatch) !\n"); + continue; + } + + /* Build resource */ + res = &hose->mem_resources[memno++]; + res->flags = IORESOURCE_MEM; + if (pci_space & 0x40000000) + res->flags |= IORESOURCE_PREFETCH; + res->start = cpu_addr; + break; + } + if (res != NULL) { + res->name = dev->full_name; + res->end = res->start + size - 1; + res->parent = NULL; + res->sibling = NULL; + res->child = NULL; + } + } + + /* Out of paranoia, let's put the ISA hole last if any */ + if (isa_hole >= 0 && memno > 0 && isa_hole != (memno-1)) { + struct resource tmp = hose->mem_resources[isa_hole]; + hose->mem_resources[isa_hole] = hose->mem_resources[memno-1]; + hose->mem_resources[memno-1] = tmp; + } +} + +/* Decide whether to display the domain number in /proc */ +int pci_proc_domain(struct pci_bus *bus) +{ + struct pci_controller *hose = pci_bus_to_host(bus); +#ifdef CONFIG_PPC64 + return hose->buid != 0; +#else + if (!(ppc_pci_flags & PPC_PCI_ENABLE_PROC_DOMAINS)) + return 0; + if (ppc_pci_flags & PPC_PCI_COMPAT_DOMAIN_0) + return hose->global_number != 0; + return 1; +#endif +} + +void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, + struct resource *res) +{ + resource_size_t offset = 0, mask = (resource_size_t)-1; + struct pci_controller *hose = pci_bus_to_host(dev->bus); + + if (!hose) + return; + if (res->flags & IORESOURCE_IO) { + offset = (unsigned long)hose->io_base_virt - _IO_BASE; + mask = 0xffffffffu; + } else if (res->flags & IORESOURCE_MEM) + offset = hose->pci_mem_offset; + + region->start = (res->start - offset) & mask; + region->end = (res->end - offset) & mask; +} +EXPORT_SYMBOL(pcibios_resource_to_bus); + +void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, + struct pci_bus_region *region) +{ + resource_size_t offset = 0, mask = (resource_size_t)-1; + struct pci_controller *hose = pci_bus_to_host(dev->bus); + + if (!hose) + return; + if (res->flags & IORESOURCE_IO) { + offset = (unsigned long)hose->io_base_virt - _IO_BASE; + mask = 0xffffffffu; + } else if (res->flags & IORESOURCE_MEM) + offset = hose->pci_mem_offset; + res->start = (region->start + offset) & mask; + res->end = (region->end + offset) & mask; +} +EXPORT_SYMBOL(pcibios_bus_to_resource); + +/* Fixup a bus resource into a linux resource */ +static void __devinit fixup_resource(struct resource *res, struct pci_dev *dev) +{ + struct pci_controller *hose = pci_bus_to_host(dev->bus); + resource_size_t offset = 0, mask = (resource_size_t)-1; + + if (res->flags & IORESOURCE_IO) { + offset = (unsigned long)hose->io_base_virt - _IO_BASE; + mask = 0xffffffffu; + } else if (res->flags & IORESOURCE_MEM) + offset = hose->pci_mem_offset; + + res->start = (res->start + offset) & mask; + res->end = (res->end + offset) & mask; + + pr_debug("PCI:%s %016llx-%016llx\n", + pci_name(dev), + (unsigned long long)res->start, + (unsigned long long)res->end); +} + + +/* This header fixup will do the resource fixup for all devices as they are + * probed, but not for bridge ranges + */ +static void __devinit pcibios_fixup_resources(struct pci_dev *dev) +{ + struct pci_controller *hose = pci_bus_to_host(dev->bus); + int i; + + if (!hose) { + printk(KERN_ERR "No host bridge for PCI dev %s !\n", + pci_name(dev)); + return; + } + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + struct resource *res = dev->resource + i; + if (!res->flags) + continue; + if (res->end == 0xffffffff) { + pr_debug("PCI:%s Resource %d %016llx-%016llx [%x] is unassigned\n", + pci_name(dev), i, + (unsigned long long)res->start, + (unsigned long long)res->end, + (unsigned int)res->flags); + res->end -= res->start; + res->start = 0; + res->flags |= IORESOURCE_UNSET; + continue; + } + + pr_debug("PCI:%s Resource %d %016llx-%016llx [%x] fixup...\n", + pci_name(dev), i, + (unsigned long long)res->start,\ + (unsigned long long)res->end, + (unsigned int)res->flags); + + fixup_resource(res, dev); + } + + /* Call machine specific resource fixup */ + if (ppc_md.pcibios_fixup_resources) + ppc_md.pcibios_fixup_resources(dev); +} +DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pcibios_fixup_resources); + +static void __devinit __pcibios_fixup_bus(struct pci_bus *bus) +{ + struct pci_controller *hose = pci_bus_to_host(bus); + struct pci_dev *dev = bus->self; + + pr_debug("PCI: Fixup bus %d (%s)\n", bus->number, dev ? pci_name(dev) : "PHB"); + + /* Fixup PCI<->PCI bridges. Host bridges are handled separately, for + * now differently between 32 and 64 bits. + */ + if (dev != NULL) { + struct resource *res; + int i; + + for (i = 0; i < PCI_BUS_NUM_RESOURCES; ++i) { + if ((res = bus->resource[i]) == NULL) + continue; + if (!res->flags || bus->self->transparent) + continue; + + /* On PowerMac, Apple leaves bridge windows open over + * an inaccessible region of memory space (0...fffff) + * which is somewhat bogus, but that's what they think + * means disabled... + * + * We clear those to force them to be reallocated later + * + * We detect such regions by the fact that the base is + * equal to the pci_mem_offset of the host bridge and + * their size is smaller than 1M. + */ + if (res->start == hose->pci_mem_offset && + res->end < 0x100000) { + printk(KERN_INFO + "PCI: Closing bogus Apple Firmware" + " region %d on bus 0x%02x\n", + i, bus->number); + res->flags = 0; + continue; + } + + pr_debug("PCI:%s Bus rsrc %d %016llx-%016llx [%x] fixup...\n", + pci_name(dev), i, + (unsigned long long)res->start,\ + (unsigned long long)res->end, + (unsigned int)res->flags); + + fixup_resource(res, dev); + } + } + + /* Additional setup that is different between 32 and 64 bits for now */ + pcibios_do_bus_setup(bus); + + /* Platform specific bus fixups */ + if (ppc_md.pcibios_fixup_bus) + ppc_md.pcibios_fixup_bus(bus); + + /* Read default IRQs and fixup if necessary */ + list_for_each_entry(dev, &bus->devices, bus_list) { + pci_read_irq_line(dev); + if (ppc_md.pci_irq_fixup) + ppc_md.pci_irq_fixup(dev); + } +} + +void __devinit pcibios_fixup_bus(struct pci_bus *bus) +{ + /* When called from the generic PCI probe, read PCI<->PCI bridge + * bases before proceeding + */ + if (bus->self != NULL) + pci_read_bridge_bases(bus); + __pcibios_fixup_bus(bus); +} +EXPORT_SYMBOL(pcibios_fixup_bus); + +/* When building a bus from the OF tree rather than probing, we need a + * slightly different version of the fixup which doesn't read the + * bridge bases using config space accesses + */ +void __devinit pcibios_fixup_of_probed_bus(struct pci_bus *bus) +{ + __pcibios_fixup_bus(bus); +} + +static int skip_isa_ioresource_align(struct pci_dev *dev) +{ + if ((ppc_pci_flags & PPC_PCI_CAN_SKIP_ISA_ALIGN) && + !(dev->bus->bridge_ctl & PCI_BRIDGE_CTL_ISA)) + return 1; + return 0; +} + +/* + * We need to avoid collisions with `mirrored' VGA ports + * and other strange ISA hardware, so we always want the + * addresses to be allocated in the 0x000-0x0ff region + * modulo 0x400. + * + * Why? Because some silly external IO cards only decode + * the low 10 bits of the IO address. The 0x00-0xff region + * is reserved for motherboard devices that decode all 16 + * bits, so it's ok to allocate at, say, 0x2800-0x28ff, + * but we want to try to avoid allocating at 0x2900-0x2bff + * which might have be mirrored at 0x0100-0x03ff.. + */ +void pcibios_align_resource(void *data, struct resource *res, + resource_size_t size, resource_size_t align) +{ + struct pci_dev *dev = data; + + if (res->flags & IORESOURCE_IO) { + resource_size_t start = res->start; + + if (skip_isa_ioresource_align(dev)) + return; + if (start & 0x300) { + start = (start + 0x3ff) & ~0x3ff; + res->start = start; + } + } +} +EXPORT_SYMBOL(pcibios_align_resource); + +/* + * Reparent resource children of pr that conflict with res + * under res, and make res replace those children. + */ +static int __init reparent_resources(struct resource *parent, + struct resource *res) +{ + struct resource *p, **pp; + struct resource **firstpp = NULL; + + for (pp = &parent->child; (p = *pp) != NULL; pp = &p->sibling) { + if (p->end < res->start) + continue; + if (res->end < p->start) + break; + if (p->start < res->start || p->end > res->end) + return -1; /* not completely contained */ + if (firstpp == NULL) + firstpp = pp; + } + if (firstpp == NULL) + return -1; /* didn't find any conflicting entries? */ + res->parent = parent; + res->child = *firstpp; + res->sibling = *pp; + *firstpp = res; + *pp = NULL; + for (p = res->child; p != NULL; p = p->sibling) { + p->parent = res; + DBG(KERN_INFO "PCI: reparented %s [%llx..%llx] under %s\n", + p->name, + (unsigned long long)p->start, + (unsigned long long)p->end, res->name); + } + return 0; +} + +/* + * Handle resources of PCI devices. If the world were perfect, we could + * just allocate all the resource regions and do nothing more. It isn't. + * On the other hand, we cannot just re-allocate all devices, as it would + * require us to know lots of host bridge internals. So we attempt to + * keep as much of the original configuration as possible, but tweak it + * when it's found to be wrong. + * + * Known BIOS problems we have to work around: + * - I/O or memory regions not configured + * - regions configured, but not enabled in the command register + * - bogus I/O addresses above 64K used + * - expansion ROMs left enabled (this may sound harmless, but given + * the fact the PCI specs explicitly allow address decoders to be + * shared between expansion ROMs and other resource regions, it's + * at least dangerous) + * + * Our solution: + * (1) Allocate resources for all buses behind PCI-to-PCI bridges. + * This gives us fixed barriers on where we can allocate. + * (2) Allocate resources for all enabled devices. If there is + * a collision, just mark the resource as unallocated. Also + * disable expansion ROMs during this step. + * (3) Try to allocate resources for disabled devices. If the + * resources were assigned correctly, everything goes well, + * if they weren't, they won't disturb allocation of other + * resources. + * (4) Assign new addresses to resources which were either + * not configured at all or misconfigured. If explicitly + * requested by the user, configure expansion ROM address + * as well. + */ + +static void __init pcibios_allocate_bus_resources(struct list_head *bus_list) +{ + struct pci_bus *bus; + int i; + struct resource *res, *pr; + + /* Depth-First Search on bus tree */ + list_for_each_entry(bus, bus_list, node) { + for (i = 0; i < PCI_BUS_NUM_RESOURCES; ++i) { + if ((res = bus->resource[i]) == NULL || !res->flags + || res->start > res->end) + continue; + if (bus->parent == NULL) + pr = (res->flags & IORESOURCE_IO) ? + &ioport_resource : &iomem_resource; + else { + /* Don't bother with non-root busses when + * re-assigning all resources. We clear the + * resource flags as if they were colliding + * and as such ensure proper re-allocation + * later. + */ + if (ppc_pci_flags & PPC_PCI_REASSIGN_ALL_RSRC) + goto clear_resource; + pr = pci_find_parent_resource(bus->self, res); + if (pr == res) { + /* this happens when the generic PCI + * code (wrongly) decides that this + * bridge is transparent -- paulus + */ + continue; + } + } + + DBG("PCI: %s (bus %d) bridge rsrc %d: %016llx-%016llx " + "[0x%x], parent %p (%s)\n", + bus->self ? pci_name(bus->self) : "PHB", + bus->number, i, + (unsigned long long)res->start, + (unsigned long long)res->end, + (unsigned int)res->flags, + pr, (pr && pr->name) ? pr->name : "nil"); + + if (pr && !(pr->flags & IORESOURCE_UNSET)) { + if (request_resource(pr, res) == 0) + continue; + /* + * Must be a conflict with an existing entry. + * Move that entry (or entries) under the + * bridge resource and try again. + */ + if (reparent_resources(pr, res) == 0) + continue; + } + printk(KERN_WARNING + "PCI: Cannot allocate resource region " + "%d of PCI bridge %d, will remap\n", + i, bus->number); +clear_resource: + res->flags = 0; + } + pcibios_allocate_bus_resources(&bus->children); + } +} + +static inline int __devinit alloc_resource(struct pci_dev *dev, int idx) +{ + struct resource *pr, *r = &dev->resource[idx]; + + DBG("PCI: Allocating %s: Resource %d: %016llx..%016llx [%x]\n", + pci_name(dev), idx, + (unsigned long long)r->start, + (unsigned long long)r->end, + (unsigned int)r->flags); + + pr = pci_find_parent_resource(dev, r); + if (!pr || (pr->flags & IORESOURCE_UNSET) || + request_resource(pr, r) < 0) { + printk(KERN_WARNING "PCI: Cannot allocate resource region %d" + " of device %s, will remap\n", idx, pci_name(dev)); + if (pr) + DBG("PCI: parent is %p: %016llx-%016llx [%x]\n", pr, + (unsigned long long)pr->start, + (unsigned long long)pr->end, + (unsigned int)pr->flags); + /* We'll assign a new address later */ + r->flags |= IORESOURCE_UNSET; + r->end -= r->start; + r->start = 0; + + return -EBUSY; + } + return 0; +} + +static void __init pcibios_allocate_resources(int pass) +{ + struct pci_dev *dev = NULL; + int idx, disabled; + u16 command; + struct resource *r; + + for_each_pci_dev(dev) { + pci_read_config_word(dev, PCI_COMMAND, &command); + for (idx = 0; idx < 6; idx++) { + r = &dev->resource[idx]; + if (r->parent) /* Already allocated */ + continue; + if (!r->flags || (r->flags & IORESOURCE_UNSET)) + continue; /* Not assigned at all */ + if (r->flags & IORESOURCE_IO) + disabled = !(command & PCI_COMMAND_IO); + else + disabled = !(command & PCI_COMMAND_MEMORY); + if (pass == disabled && alloc_resource(dev, idx)) { + command &= ~(r->flags & (IORESOURCE_IO | + IORESOURCE_MEM)); + pci_write_config_word(dev, + PCI_COMMAND, command); + } + } + if (pass) + continue; + r = &dev->resource[PCI_ROM_RESOURCE]; + if (r->flags & IORESOURCE_ROM_ENABLE) { + /* Turn the ROM off, leave the resource region, + * but keep it unregistered. + */ + u32 reg; + DBG("PCI: Switching off ROM of %s\n", pci_name(dev)); + r->flags &= ~IORESOURCE_ROM_ENABLE; + pci_read_config_dword(dev, dev->rom_base_reg, ®); + pci_write_config_dword(dev, dev->rom_base_reg, + reg & ~PCI_ROM_ADDRESS_ENABLE); + } + } +} + +void __init pcibios_resource_survey(void) +{ + /* Allocate and assign resources. If we re-assign everything, then + * we skip the allocate phase + */ + pcibios_allocate_bus_resources(&pci_root_buses); + + if (!(ppc_pci_flags & PPC_PCI_REASSIGN_ALL_RSRC)) { + pcibios_allocate_resources(0); + pcibios_allocate_resources(1); + } + + if (!(ppc_pci_flags & PPC_PCI_PROBE_ONLY)) { + DBG("PCI: Assigning unassigned resouces...\n"); + pci_assign_unassigned_resources(); + } + + /* Call machine dependent fixup */ + if (ppc_md.pcibios_fixup) + ppc_md.pcibios_fixup(); +} + +#ifdef CONFIG_HOTPLUG +/* This is used by the pSeries hotplug driver to allocate resource + * of newly plugged busses. We can try to consolidate with the + * rest of the code later, for now, keep it as-is + */ +void __devinit pcibios_claim_one_bus(struct pci_bus *bus) +{ + struct pci_dev *dev; + struct pci_bus *child_bus; + + list_for_each_entry(dev, &bus->devices, bus_list) { + int i; + + for (i = 0; i < PCI_NUM_RESOURCES; i++) { + struct resource *r = &dev->resource[i]; + + if (r->parent || !r->start || !r->flags) + continue; + pci_claim_resource(dev, i); + } + } + + list_for_each_entry(child_bus, &bus->children, node) + pcibios_claim_one_bus(child_bus); +} +EXPORT_SYMBOL_GPL(pcibios_claim_one_bus); +#endif /* CONFIG_HOTPLUG */ + +int pcibios_enable_device(struct pci_dev *dev, int mask) +{ + u16 cmd, old_cmd; + int idx; + struct resource *r; + + if (ppc_md.pcibios_enable_device_hook) + if (ppc_md.pcibios_enable_device_hook(dev)) + return -EINVAL; + + pci_read_config_word(dev, PCI_COMMAND, &cmd); + old_cmd = cmd; + for (idx = 0; idx < PCI_NUM_RESOURCES; idx++) { + /* Only set up the requested stuff */ + if (!(mask & (1 << idx))) + continue; + r = &dev->resource[idx]; + if (!(r->flags & (IORESOURCE_IO | IORESOURCE_MEM))) + continue; + if ((idx == PCI_ROM_RESOURCE) && + (!(r->flags & IORESOURCE_ROM_ENABLE))) + continue; + if (r->parent == NULL) { + printk(KERN_ERR "PCI: Device %s not available because" + " of resource collisions\n", pci_name(dev)); + return -EINVAL; + } + if (r->flags & IORESOURCE_IO) + cmd |= PCI_COMMAND_IO; + if (r->flags & IORESOURCE_MEM) + cmd |= PCI_COMMAND_MEMORY; + } + if (cmd != old_cmd) { + printk("PCI: Enabling device %s (%04x -> %04x)\n", + pci_name(dev), old_cmd, cmd); + pci_write_config_word(dev, PCI_COMMAND, cmd); + } + return 0; +} + diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index 0e2bee46304c..a9c6cb24aab0 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -32,19 +32,12 @@ #endif unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; unsigned long pci_dram_offset = 0; int pcibios_assign_bus_offset = 1; void pcibios_make_OF_bus_map(void); -static int pci_relocate_bridge_resource(struct pci_bus *bus, int i); -static int probe_resource(struct pci_bus *parent, struct resource *pr, - struct resource *res, struct resource **conflict); -static void update_bridge_base(struct pci_bus *bus, int i); -static void pcibios_fixup_resources(struct pci_dev* dev); static void fixup_broken_pcnet32(struct pci_dev* dev); -static int reparent_resources(struct resource *parent, struct resource *res); static void fixup_cpc710_pci64(struct pci_dev* dev); #ifdef CONFIG_PPC_OF static u8* pci_to_OF_bus_map; @@ -53,7 +46,7 @@ static u8* pci_to_OF_bus_map; /* By default, we don't re-assign bus numbers. We do this only on * some pmacs */ -int pci_assign_all_buses; +static int pci_assign_all_buses; LIST_HEAD(hose_list); @@ -100,338 +93,6 @@ fixup_cpc710_pci64(struct pci_dev* dev) } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CPC710_PCI64, fixup_cpc710_pci64); -static void -pcibios_fixup_resources(struct pci_dev *dev) -{ - struct pci_controller* hose = (struct pci_controller *)dev->sysdata; - int i; - unsigned long offset; - - if (!hose) { - printk(KERN_ERR "No hose for PCI dev %s!\n", pci_name(dev)); - return; - } - for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { - struct resource *res = dev->resource + i; - if (!res->flags) - continue; - if (res->end == 0xffffffff) { - DBG("PCI:%s Resource %d [%016llx-%016llx] is unassigned\n", - pci_name(dev), i, (u64)res->start, (u64)res->end); - res->end -= res->start; - res->start = 0; - res->flags |= IORESOURCE_UNSET; - continue; - } - offset = 0; - if (res->flags & IORESOURCE_MEM) { - offset = hose->pci_mem_offset; - } else if (res->flags & IORESOURCE_IO) { - offset = (unsigned long) hose->io_base_virt - - isa_io_base; - } - if (offset != 0) { - res->start += offset; - res->end += offset; - DBG("Fixup res %d (%lx) of dev %s: %llx -> %llx\n", - i, res->flags, pci_name(dev), - (u64)res->start - offset, (u64)res->start); - } - } - - /* Call machine specific resource fixup */ - if (ppc_md.pcibios_fixup_resources) - ppc_md.pcibios_fixup_resources(dev); -} -DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pcibios_fixup_resources); - -void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, - struct resource *res) -{ - unsigned long offset = 0; - struct pci_controller *hose = dev->sysdata; - - if (hose && res->flags & IORESOURCE_IO) - offset = (unsigned long)hose->io_base_virt - isa_io_base; - else if (hose && res->flags & IORESOURCE_MEM) - offset = hose->pci_mem_offset; - region->start = res->start - offset; - region->end = res->end - offset; -} -EXPORT_SYMBOL(pcibios_resource_to_bus); - -void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, - struct pci_bus_region *region) -{ - unsigned long offset = 0; - struct pci_controller *hose = dev->sysdata; - - if (hose && res->flags & IORESOURCE_IO) - offset = (unsigned long)hose->io_base_virt - isa_io_base; - else if (hose && res->flags & IORESOURCE_MEM) - offset = hose->pci_mem_offset; - res->start = region->start + offset; - res->end = region->end + offset; -} -EXPORT_SYMBOL(pcibios_bus_to_resource); - -/* - * We need to avoid collisions with `mirrored' VGA ports - * and other strange ISA hardware, so we always want the - * addresses to be allocated in the 0x000-0x0ff region - * modulo 0x400. - * - * Why? Because some silly external IO cards only decode - * the low 10 bits of the IO address. The 0x00-0xff region - * is reserved for motherboard devices that decode all 16 - * bits, so it's ok to allocate at, say, 0x2800-0x28ff, - * but we want to try to avoid allocating at 0x2900-0x2bff - * which might have be mirrored at 0x0100-0x03ff.. - */ -void pcibios_align_resource(void *data, struct resource *res, - resource_size_t size, resource_size_t align) -{ - struct pci_dev *dev = data; - - if (res->flags & IORESOURCE_IO) { - resource_size_t start = res->start; - - if (size > 0x100) { - printk(KERN_ERR "PCI: I/O Region %s/%d too large" - " (%lld bytes)\n", pci_name(dev), - dev->resource - res, (unsigned long long)size); - } - - if (start & 0x300) { - start = (start + 0x3ff) & ~0x3ff; - res->start = start; - } - } -} -EXPORT_SYMBOL(pcibios_align_resource); - -/* - * Handle resources of PCI devices. If the world were perfect, we could - * just allocate all the resource regions and do nothing more. It isn't. - * On the other hand, we cannot just re-allocate all devices, as it would - * require us to know lots of host bridge internals. So we attempt to - * keep as much of the original configuration as possible, but tweak it - * when it's found to be wrong. - * - * Known BIOS problems we have to work around: - * - I/O or memory regions not configured - * - regions configured, but not enabled in the command register - * - bogus I/O addresses above 64K used - * - expansion ROMs left enabled (this may sound harmless, but given - * the fact the PCI specs explicitly allow address decoders to be - * shared between expansion ROMs and other resource regions, it's - * at least dangerous) - * - * Our solution: - * (1) Allocate resources for all buses behind PCI-to-PCI bridges. - * This gives us fixed barriers on where we can allocate. - * (2) Allocate resources for all enabled devices. If there is - * a collision, just mark the resource as unallocated. Also - * disable expansion ROMs during this step. - * (3) Try to allocate resources for disabled devices. If the - * resources were assigned correctly, everything goes well, - * if they weren't, they won't disturb allocation of other - * resources. - * (4) Assign new addresses to resources which were either - * not configured at all or misconfigured. If explicitly - * requested by the user, configure expansion ROM address - * as well. - */ - -static void __init -pcibios_allocate_bus_resources(struct list_head *bus_list) -{ - struct pci_bus *bus; - int i; - struct resource *res, *pr; - - /* Depth-First Search on bus tree */ - list_for_each_entry(bus, bus_list, node) { - for (i = 0; i < 4; ++i) { - if ((res = bus->resource[i]) == NULL || !res->flags - || res->start > res->end) - continue; - if (bus->parent == NULL) - pr = (res->flags & IORESOURCE_IO)? - &ioport_resource: &iomem_resource; - else { - pr = pci_find_parent_resource(bus->self, res); - if (pr == res) { - /* this happens when the generic PCI - * code (wrongly) decides that this - * bridge is transparent -- paulus - */ - continue; - } - } - - DBG("PCI: bridge rsrc %llx..%llx (%lx), parent %p\n", - (u64)res->start, (u64)res->end, res->flags, pr); - if (pr) { - if (request_resource(pr, res) == 0) - continue; - /* - * Must be a conflict with an existing entry. - * Move that entry (or entries) under the - * bridge resource and try again. - */ - if (reparent_resources(pr, res) == 0) - continue; - } - printk(KERN_ERR "PCI: Cannot allocate resource region " - "%d of PCI bridge %d\n", i, bus->number); - if (pci_relocate_bridge_resource(bus, i)) - bus->resource[i] = NULL; - } - pcibios_allocate_bus_resources(&bus->children); - } -} - -/* - * Reparent resource children of pr that conflict with res - * under res, and make res replace those children. - */ -static int __init -reparent_resources(struct resource *parent, struct resource *res) -{ - struct resource *p, **pp; - struct resource **firstpp = NULL; - - for (pp = &parent->child; (p = *pp) != NULL; pp = &p->sibling) { - if (p->end < res->start) - continue; - if (res->end < p->start) - break; - if (p->start < res->start || p->end > res->end) - return -1; /* not completely contained */ - if (firstpp == NULL) - firstpp = pp; - } - if (firstpp == NULL) - return -1; /* didn't find any conflicting entries? */ - res->parent = parent; - res->child = *firstpp; - res->sibling = *pp; - *firstpp = res; - *pp = NULL; - for (p = res->child; p != NULL; p = p->sibling) { - p->parent = res; - DBG(KERN_INFO "PCI: reparented %s [%llx..%llx] under %s\n", - p->name, (u64)p->start, (u64)p->end, res->name); - } - return 0; -} - -/* - * A bridge has been allocated a range which is outside the range - * of its parent bridge, so it needs to be moved. - */ -static int __init -pci_relocate_bridge_resource(struct pci_bus *bus, int i) -{ - struct resource *res, *pr, *conflict; - unsigned long try, size; - int j; - struct pci_bus *parent = bus->parent; - - if (parent == NULL) { - /* shouldn't ever happen */ - printk(KERN_ERR "PCI: can't move host bridge resource\n"); - return -1; - } - res = bus->resource[i]; - if (res == NULL) - return -1; - pr = NULL; - for (j = 0; j < 4; j++) { - struct resource *r = parent->resource[j]; - if (!r) - continue; - if ((res->flags ^ r->flags) & (IORESOURCE_IO | IORESOURCE_MEM)) - continue; - if (!((res->flags ^ r->flags) & IORESOURCE_PREFETCH)) { - pr = r; - break; - } - if (res->flags & IORESOURCE_PREFETCH) - pr = r; - } - if (pr == NULL) - return -1; - size = res->end - res->start; - if (pr->start > pr->end || size > pr->end - pr->start) - return -1; - try = pr->end; - for (;;) { - res->start = try - size; - res->end = try; - if (probe_resource(bus->parent, pr, res, &conflict) == 0) - break; - if (conflict->start <= pr->start + size) - return -1; - try = conflict->start - 1; - } - if (request_resource(pr, res)) { - DBG(KERN_ERR "PCI: huh? couldn't move to %llx..%llx\n", - (u64)res->start, (u64)res->end); - return -1; /* "can't happen" */ - } - update_bridge_base(bus, i); - printk(KERN_INFO "PCI: bridge %d resource %d moved to %llx..%llx\n", - bus->number, i, (unsigned long long)res->start, - (unsigned long long)res->end); - return 0; -} - -static int __init -probe_resource(struct pci_bus *parent, struct resource *pr, - struct resource *res, struct resource **conflict) -{ - struct pci_bus *bus; - struct pci_dev *dev; - struct resource *r; - int i; - - for (r = pr->child; r != NULL; r = r->sibling) { - if (r->end >= res->start && res->end >= r->start) { - *conflict = r; - return 1; - } - } - list_for_each_entry(bus, &parent->children, node) { - for (i = 0; i < 4; ++i) { - if ((r = bus->resource[i]) == NULL) - continue; - if (!r->flags || r->start > r->end || r == res) - continue; - if (pci_find_parent_resource(bus->self, r) != pr) - continue; - if (r->end >= res->start && res->end >= r->start) { - *conflict = r; - return 1; - } - } - } - list_for_each_entry(dev, &parent->devices, bus_list) { - for (i = 0; i < 6; ++i) { - r = &dev->resource[i]; - if (!r->flags || (r->flags & IORESOURCE_UNSET)) - continue; - if (pci_find_parent_resource(dev, r) != pr) - continue; - if (r->end >= res->start && res->end >= r->start) { - *conflict = r; - return 1; - } - } - } - return 0; -} void __init update_bridge_resource(struct pci_dev *dev, struct resource *res) @@ -439,7 +100,7 @@ update_bridge_resource(struct pci_dev *dev, struct resource *res) u8 io_base_lo, io_limit_lo; u16 mem_base, mem_limit; u16 cmd; - unsigned long start, end, off; + resource_size_t start, end, off; struct pci_controller *hose = dev->sysdata; if (!hose) { @@ -489,115 +150,6 @@ update_bridge_resource(struct pci_dev *dev, struct resource *res) pci_write_config_word(dev, PCI_COMMAND, cmd); } -static void __init -update_bridge_base(struct pci_bus *bus, int i) -{ - struct resource *res = bus->resource[i]; - struct pci_dev *dev = bus->self; - update_bridge_resource(dev, res); -} - -static inline void alloc_resource(struct pci_dev *dev, int idx) -{ - struct resource *pr, *r = &dev->resource[idx]; - - DBG("PCI:%s: Resource %d: %016llx-%016llx (f=%lx)\n", - pci_name(dev), idx, (u64)r->start, (u64)r->end, r->flags); - pr = pci_find_parent_resource(dev, r); - if (!pr || request_resource(pr, r) < 0) { - printk(KERN_ERR "PCI: Cannot allocate resource region %d" - " of device %s\n", idx, pci_name(dev)); - if (pr) - DBG("PCI: parent is %p: %016llx-%016llx (f=%lx)\n", - pr, (u64)pr->start, (u64)pr->end, pr->flags); - /* We'll assign a new address later */ - r->flags |= IORESOURCE_UNSET; - r->end -= r->start; - r->start = 0; - } -} - -static void __init -pcibios_allocate_resources(int pass) -{ - struct pci_dev *dev = NULL; - int idx, disabled; - u16 command; - struct resource *r; - - for_each_pci_dev(dev) { - pci_read_config_word(dev, PCI_COMMAND, &command); - for (idx = 0; idx < 6; idx++) { - r = &dev->resource[idx]; - if (r->parent) /* Already allocated */ - continue; - if (!r->flags || (r->flags & IORESOURCE_UNSET)) - continue; /* Not assigned at all */ - if (r->flags & IORESOURCE_IO) - disabled = !(command & PCI_COMMAND_IO); - else - disabled = !(command & PCI_COMMAND_MEMORY); - if (pass == disabled) - alloc_resource(dev, idx); - } - if (pass) - continue; - r = &dev->resource[PCI_ROM_RESOURCE]; - if (r->flags & IORESOURCE_ROM_ENABLE) { - /* Turn the ROM off, leave the resource region, but keep it unregistered. */ - u32 reg; - DBG("PCI: Switching off ROM of %s\n", pci_name(dev)); - r->flags &= ~IORESOURCE_ROM_ENABLE; - pci_read_config_dword(dev, dev->rom_base_reg, ®); - pci_write_config_dword(dev, dev->rom_base_reg, - reg & ~PCI_ROM_ADDRESS_ENABLE); - } - } -} - -static void __init -pcibios_assign_resources(void) -{ - struct pci_dev *dev = NULL; - int idx; - struct resource *r; - - for_each_pci_dev(dev) { - int class = dev->class >> 8; - - /* Don't touch classless devices and host bridges */ - if (!class || class == PCI_CLASS_BRIDGE_HOST) - continue; - - for (idx = 0; idx < 6; idx++) { - r = &dev->resource[idx]; - - /* - * We shall assign a new address to this resource, - * either because the BIOS (sic) forgot to do so - * or because we have decided the old address was - * unusable for some reason. - */ - if ((r->flags & IORESOURCE_UNSET) && r->end && - (!ppc_md.pcibios_enable_device_hook || - !ppc_md.pcibios_enable_device_hook(dev, 1))) { - int rc; - - r->flags &= ~IORESOURCE_UNSET; - rc = pci_assign_resource(dev, idx); - BUG_ON(rc); - } - } - -#if 0 /* don't assign ROMs */ - r = &dev->resource[PCI_ROM_RESOURCE]; - r->end -= r->start; - r->start = 0; - if (r->end) - pci_assign_resource(dev, PCI_ROM_RESOURCE); -#endif - } -} #ifdef CONFIG_PPC_OF /* @@ -662,8 +214,8 @@ pcibios_make_OF_bus_map(void) /* For each hose, we begin searching bridges */ list_for_each_entry_safe(hose, tmp, &hose_list, list_node) { - struct device_node* node; - node = (struct device_node *)hose->arch_data; + struct device_node* node = hose->dn; + if (!node) continue; make_one_node_map(node, hose->first_busno); @@ -742,7 +294,7 @@ static struct device_node *scan_OF_for_pci_bus(struct pci_bus *bus) struct pci_controller *hose = pci_bus_to_host(bus); if (hose == NULL) return NULL; - return of_node_get(hose->arch_data); + return of_node_get(hose->dn); } /* not a root bus, we need to get our parent */ @@ -812,9 +364,9 @@ pci_device_from_OF_node(struct device_node* node, u8* bus, u8* devfn) return -ENODEV; /* Make sure it's really a PCI device */ hose = pci_find_hose_for_OF_device(node); - if (!hose || !hose->arch_data) + if (!hose || !hose->dn) return -ENODEV; - if (!scan_OF_pci_childs(((struct device_node*)hose->arch_data)->child, + if (!scan_OF_pci_childs(hose->dn->child, find_OF_pci_device_filter, (void *)node)) return -ENODEV; reg = of_get_property(node, "reg", NULL); @@ -843,120 +395,6 @@ pci_device_from_OF_node(struct device_node* node, u8* bus, u8* devfn) } EXPORT_SYMBOL(pci_device_from_OF_node); -void __init -pci_process_bridge_OF_ranges(struct pci_controller *hose, - struct device_node *dev, int primary) -{ - static unsigned int static_lc_ranges[256] __initdata; - const unsigned int *dt_ranges; - unsigned int *lc_ranges, *ranges, *prev, size; - int rlen = 0, orig_rlen; - int memno = 0; - struct resource *res; - int np, na = of_n_addr_cells(dev); - np = na + 5; - - /* First we try to merge ranges to fix a problem with some pmacs - * that can have more than 3 ranges, fortunately using contiguous - * addresses -- BenH - */ - dt_ranges = of_get_property(dev, "ranges", &rlen); - if (!dt_ranges) - return; - /* Sanity check, though hopefully that never happens */ - if (rlen > sizeof(static_lc_ranges)) { - printk(KERN_WARNING "OF ranges property too large !\n"); - rlen = sizeof(static_lc_ranges); - } - lc_ranges = static_lc_ranges; - memcpy(lc_ranges, dt_ranges, rlen); - orig_rlen = rlen; - - /* Let's work on a copy of the "ranges" property instead of damaging - * the device-tree image in memory - */ - ranges = lc_ranges; - prev = NULL; - while ((rlen -= np * sizeof(unsigned int)) >= 0) { - if (prev) { - if (prev[0] == ranges[0] && prev[1] == ranges[1] && - (prev[2] + prev[na+4]) == ranges[2] && - (prev[na+2] + prev[na+4]) == ranges[na+2]) { - prev[na+4] += ranges[na+4]; - ranges[0] = 0; - ranges += np; - continue; - } - } - prev = ranges; - ranges += np; - } - - /* - * The ranges property is laid out as an array of elements, - * each of which comprises: - * cells 0 - 2: a PCI address - * cells 3 or 3+4: a CPU physical address - * (size depending on dev->n_addr_cells) - * cells 4+5 or 5+6: the size of the range - */ - ranges = lc_ranges; - rlen = orig_rlen; - while (ranges && (rlen -= np * sizeof(unsigned int)) >= 0) { - res = NULL; - size = ranges[na+4]; - switch ((ranges[0] >> 24) & 0x3) { - case 1: /* I/O space */ - if (ranges[2] != 0) - break; - hose->io_base_phys = ranges[na+2]; - /* limit I/O space to 16MB */ - if (size > 0x01000000) - size = 0x01000000; - hose->io_base_virt = ioremap(ranges[na+2], size); - if (primary) - isa_io_base = (unsigned long) hose->io_base_virt; - res = &hose->io_resource; - res->flags = IORESOURCE_IO; - res->start = ranges[2]; - DBG("PCI: IO 0x%llx -> 0x%llx\n", - (u64)res->start, (u64)res->start + size - 1); - break; - case 2: /* memory space */ - memno = 0; - if (ranges[1] == 0 && ranges[2] == 0 - && ranges[na+4] <= (16 << 20)) { - /* 1st 16MB, i.e. ISA memory area */ - if (primary) - isa_mem_base = ranges[na+2]; - memno = 1; - } - while (memno < 3 && hose->mem_resources[memno].flags) - ++memno; - if (memno == 0) - hose->pci_mem_offset = ranges[na+2] - ranges[2]; - if (memno < 3) { - res = &hose->mem_resources[memno]; - res->flags = IORESOURCE_MEM; - if(ranges[0] & 0x40000000) - res->flags |= IORESOURCE_PREFETCH; - res->start = ranges[na+2]; - DBG("PCI: MEM[%d] 0x%llx -> 0x%llx\n", memno, - (u64)res->start, (u64)res->start + size - 1); - } - break; - } - if (res != NULL) { - res->name = dev->full_name; - res->end = res->start + size - 1; - res->parent = NULL; - res->sibling = NULL; - res->child = NULL; - } - ranges += np; - } -} - /* We create the "pci-OF-bus-map" property now so it appears in the * /proc device tree */ @@ -986,219 +424,7 @@ void pcibios_make_OF_bus_map(void) } #endif /* CONFIG_PPC_OF */ -#ifdef CONFIG_PPC_PMAC -/* - * This set of routines checks for PCI<->PCI bridges that have closed - * IO resources and have child devices. It tries to re-open an IO - * window on them. - * - * This is a _temporary_ fix to workaround a problem with Apple's OF - * closing IO windows on P2P bridges when the OF drivers of cards - * below this bridge don't claim any IO range (typically ATI or - * Adaptec). - * - * A more complete fix would be to use drivers/pci/setup-bus.c, which - * involves a working pcibios_fixup_pbus_ranges(), some more care about - * ordering when creating the host bus resources, and maybe a few more - * minor tweaks - */ - -/* Initialize bridges with base/limit values we have collected */ -static void __init -do_update_p2p_io_resource(struct pci_bus *bus, int enable_vga) -{ - struct pci_dev *bridge = bus->self; - struct pci_controller* hose = (struct pci_controller *)bridge->sysdata; - u32 l; - u16 w; - struct resource res; - - if (bus->resource[0] == NULL) - return; - res = *(bus->resource[0]); - - DBG("Remapping Bus %d, bridge: %s\n", bus->number, pci_name(bridge)); - res.start -= ((unsigned long) hose->io_base_virt - isa_io_base); - res.end -= ((unsigned long) hose->io_base_virt - isa_io_base); - DBG(" IO window: %016llx-%016llx\n", res.start, res.end); - - /* Set up the top and bottom of the PCI I/O segment for this bus. */ - pci_read_config_dword(bridge, PCI_IO_BASE, &l); - l &= 0xffff000f; - l |= (res.start >> 8) & 0x00f0; - l |= res.end & 0xf000; - pci_write_config_dword(bridge, PCI_IO_BASE, l); - - if ((l & PCI_IO_RANGE_TYPE_MASK) == PCI_IO_RANGE_TYPE_32) { - l = (res.start >> 16) | (res.end & 0xffff0000); - pci_write_config_dword(bridge, PCI_IO_BASE_UPPER16, l); - } - - pci_read_config_word(bridge, PCI_COMMAND, &w); - w |= PCI_COMMAND_IO; - pci_write_config_word(bridge, PCI_COMMAND, w); - -#if 0 /* Enabling this causes XFree 4.2.0 to hang during PCI probe */ - if (enable_vga) { - pci_read_config_word(bridge, PCI_BRIDGE_CONTROL, &w); - w |= PCI_BRIDGE_CTL_VGA; - pci_write_config_word(bridge, PCI_BRIDGE_CONTROL, w); - } -#endif -} - -/* This function is pretty basic and actually quite broken for the - * general case, it's enough for us right now though. It's supposed - * to tell us if we need to open an IO range at all or not and what - * size. - */ -static int __init -check_for_io_childs(struct pci_bus *bus, struct resource* res, int *found_vga) -{ - struct pci_dev *dev; - int i; - int rc = 0; - -#define push_end(res, mask) do { \ - BUG_ON((mask+1) & mask); \ - res->end = (res->end + mask) | mask; \ -} while (0) - - list_for_each_entry(dev, &bus->devices, bus_list) { - u16 class = dev->class >> 8; - - if (class == PCI_CLASS_DISPLAY_VGA || - class == PCI_CLASS_NOT_DEFINED_VGA) - *found_vga = 1; - if (class >> 8 == PCI_BASE_CLASS_BRIDGE && dev->subordinate) - rc |= check_for_io_childs(dev->subordinate, res, found_vga); - if (class == PCI_CLASS_BRIDGE_CARDBUS) - push_end(res, 0xfff); - - for (i=0; i<PCI_NUM_RESOURCES; i++) { - struct resource *r; - unsigned long r_size; - - if (dev->class >> 8 == PCI_CLASS_BRIDGE_PCI - && i >= PCI_BRIDGE_RESOURCES) - continue; - r = &dev->resource[i]; - r_size = r->end - r->start; - if (r_size < 0xfff) - r_size = 0xfff; - if (r->flags & IORESOURCE_IO && (r_size) != 0) { - rc = 1; - push_end(res, r_size); - } - } - } - - return rc; -} - -/* Here we scan all P2P bridges of a given level that have a closed - * IO window. Note that the test for the presence of a VGA card should - * be improved to take into account already configured P2P bridges, - * currently, we don't see them and might end up configuring 2 bridges - * with VGA pass through enabled - */ -static void __init -do_fixup_p2p_level(struct pci_bus *bus) -{ - struct pci_bus *b; - int i, parent_io; - int has_vga = 0; - - for (parent_io=0; parent_io<4; parent_io++) - if (bus->resource[parent_io] - && bus->resource[parent_io]->flags & IORESOURCE_IO) - break; - if (parent_io >= 4) - return; - - list_for_each_entry(b, &bus->children, node) { - struct pci_dev *d = b->self; - struct pci_controller* hose = (struct pci_controller *)d->sysdata; - struct resource *res = b->resource[0]; - struct resource tmp_res; - unsigned long max; - int found_vga = 0; - - memset(&tmp_res, 0, sizeof(tmp_res)); - tmp_res.start = bus->resource[parent_io]->start; - - /* We don't let low addresses go through that closed P2P bridge, well, - * that may not be necessary but I feel safer that way - */ - if (tmp_res.start == 0) - tmp_res.start = 0x1000; - - if (!list_empty(&b->devices) && res && res->flags == 0 && - res != bus->resource[parent_io] && - (d->class >> 8) == PCI_CLASS_BRIDGE_PCI && - check_for_io_childs(b, &tmp_res, &found_vga)) { - u8 io_base_lo; - - printk(KERN_INFO "Fixing up IO bus %s\n", b->name); - - if (found_vga) { - if (has_vga) { - printk(KERN_WARNING "Skipping VGA, already active" - " on bus segment\n"); - found_vga = 0; - } else - has_vga = 1; - } - pci_read_config_byte(d, PCI_IO_BASE, &io_base_lo); - - if ((io_base_lo & PCI_IO_RANGE_TYPE_MASK) == PCI_IO_RANGE_TYPE_32) - max = ((unsigned long) hose->io_base_virt - - isa_io_base) + 0xffffffff; - else - max = ((unsigned long) hose->io_base_virt - - isa_io_base) + 0xffff; - - *res = tmp_res; - res->flags = IORESOURCE_IO; - res->name = b->name; - - /* Find a resource in the parent where we can allocate */ - for (i = 0 ; i < 4; i++) { - struct resource *r = bus->resource[i]; - if (!r) - continue; - if ((r->flags & IORESOURCE_IO) == 0) - continue; - DBG("Trying to allocate from %016llx, size %016llx from parent" - " res %d: %016llx -> %016llx\n", - res->start, res->end, i, r->start, r->end); - - if (allocate_resource(r, res, res->end + 1, res->start, max, - res->end + 1, NULL, NULL) < 0) { - DBG("Failed !\n"); - continue; - } - do_update_p2p_io_resource(b, found_vga); - break; - } - } - do_fixup_p2p_level(b); - } -} - -static void -pcibios_fixup_p2p_bridges(void) -{ - struct pci_bus *b; - - list_for_each_entry(b, &pci_root_buses, node) - do_fixup_p2p_level(b); -} - -#endif /* CONFIG_PPC_PMAC */ - -static int __init -pcibios_init(void) +static int __init pcibios_init(void) { struct pci_controller *hose, *tmp; struct pci_bus *bus; @@ -1206,6 +432,9 @@ pcibios_init(void) printk(KERN_INFO "PCI: Probing PCI hardware\n"); + if (ppc_pci_flags & PPC_PCI_REASSIGN_ALL_BUS) + pci_assign_all_buses = 1; + /* Scan all of the recorded PCI controllers. */ list_for_each_entry_safe(hose, tmp, &hose_list, list_node) { if (pci_assign_all_buses) @@ -1213,9 +442,10 @@ pcibios_init(void) hose->last_busno = 0xff; bus = pci_scan_bus_parented(hose->parent, hose->first_busno, hose->ops, hose); - if (bus) + if (bus) { pci_bus_add_devices(bus); - hose->last_busno = bus->subordinate; + hose->last_busno = bus->subordinate; + } if (pci_assign_all_buses || next_busno <= hose->last_busno) next_busno = hose->last_busno + pcibios_assign_bus_offset; } @@ -1228,18 +458,8 @@ pcibios_init(void) if (pci_assign_all_buses && have_of) pcibios_make_OF_bus_map(); - /* Call machine dependent fixup */ - if (ppc_md.pcibios_fixup) - ppc_md.pcibios_fixup(); - - /* Allocate and assign resources */ - pcibios_allocate_bus_resources(&pci_root_buses); - pcibios_allocate_resources(0); - pcibios_allocate_resources(1); -#ifdef CONFIG_PPC_PMAC - pcibios_fixup_p2p_bridges(); -#endif /* CONFIG_PPC_PMAC */ - pcibios_assign_resources(); + /* Call common code to handle resource allocation */ + pcibios_resource_survey(); /* Call machine dependent post-init code */ if (ppc_md.pcibios_after_init) @@ -1250,14 +470,14 @@ pcibios_init(void) subsys_initcall(pcibios_init); -void pcibios_fixup_bus(struct pci_bus *bus) +void __devinit pcibios_do_bus_setup(struct pci_bus *bus) { struct pci_controller *hose = (struct pci_controller *) bus->sysdata; unsigned long io_offset; struct resource *res; - struct pci_dev *dev; int i; + /* Hookup PHB resources */ io_offset = (unsigned long)hose->io_base_virt - isa_io_base; if (bus->parent == NULL) { /* This is a host bridge - fill in its resources */ @@ -1272,8 +492,8 @@ void pcibios_fixup_bus(struct pci_bus *bus) res->end = IO_SPACE_LIMIT; res->flags = IORESOURCE_IO; } - res->start += io_offset; - res->end += io_offset; + res->start = (res->start + io_offset) & 0xffffffffu; + res->end = (res->end + io_offset) & 0xffffffffu; for (i = 0; i < 3; ++i) { res = &hose->mem_resources[i]; @@ -1288,35 +508,6 @@ void pcibios_fixup_bus(struct pci_bus *bus) } bus->resource[i+1] = res; } - } else { - /* This is a subordinate bridge */ - pci_read_bridge_bases(bus); - - for (i = 0; i < 4; ++i) { - if ((res = bus->resource[i]) == NULL) - continue; - if (!res->flags || bus->self->transparent) - continue; - if (io_offset && (res->flags & IORESOURCE_IO)) { - res->start += io_offset; - res->end += io_offset; - } else if (hose->pci_mem_offset - && (res->flags & IORESOURCE_MEM)) { - res->start += hose->pci_mem_offset; - res->end += hose->pci_mem_offset; - } - } - } - - /* Platform specific bus fixups */ - if (ppc_md.pcibios_fixup_bus) - ppc_md.pcibios_fixup_bus(bus); - - /* Read default IRQs and fixup if necessary */ - list_for_each_entry(dev, &bus->devices, bus_list) { - pci_read_irq_line(dev); - if (ppc_md.pci_irq_fixup) - ppc_md.pci_irq_fixup(dev); } } @@ -1328,37 +519,6 @@ pcibios_update_irq(struct pci_dev *dev, int irq) /* XXX FIXME - update OF device tree node interrupt property */ } -int pcibios_enable_device(struct pci_dev *dev, int mask) -{ - u16 cmd, old_cmd; - int idx; - struct resource *r; - - if (ppc_md.pcibios_enable_device_hook) - if (ppc_md.pcibios_enable_device_hook(dev, 0)) - return -EINVAL; - - pci_read_config_word(dev, PCI_COMMAND, &cmd); - old_cmd = cmd; - for (idx=0; idx<6; idx++) { - r = &dev->resource[idx]; - if (r->flags & IORESOURCE_UNSET) { - printk(KERN_ERR "PCI: Device %s not available because of resource collisions\n", pci_name(dev)); - return -EINVAL; - } - if (r->flags & IORESOURCE_IO) - cmd |= PCI_COMMAND_IO; - if (r->flags & IORESOURCE_MEM) - cmd |= PCI_COMMAND_MEMORY; - } - if (cmd != old_cmd) { - printk("PCI: Enabling device %s (%04x -> %04x)\n", - pci_name(dev), old_cmd, cmd); - pci_write_config_word(dev, PCI_COMMAND, cmd); - } - return 0; -} - static struct pci_controller* pci_bus_to_hose(int bus) { @@ -1381,17 +541,6 @@ long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn) struct pci_controller* hose; long result = -EOPNOTSUPP; - /* Argh ! Please forgive me for that hack, but that's the - * simplest way to get existing XFree to not lockup on some - * G5 machines... So when something asks for bus 0 io base - * (bus 0 is HT root), we return the AGP one instead. - */ -#ifdef CONFIG_PPC_PMAC - if (machine_is(powermac) && machine_is_compatible("MacRISC4")) - if (bus == 0) - bus = 0xf0; -#endif /* CONFIG_PPC_PMAC */ - hose = pci_bus_to_hose(bus); if (!hose) return -ENODEV; diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index 9f63bdcb0bdf..5949bbabd7fb 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -31,7 +31,6 @@ #include <asm/byteorder.h> #include <asm/machdep.h> #include <asm/ppc-pci.h> -#include <asm/firmware.h> #ifdef DEBUG #include <asm/udbg.h> @@ -41,10 +40,6 @@ #endif unsigned long pci_probe_only = 1; -int pci_assign_all_buses = 0; - -static void fixup_resource(struct resource *res, struct pci_dev *dev); -static void do_bus_setup(struct pci_bus *bus); /* pci_io_base -- the base address from which io bars are offsets. * This is the lowest I/O base address (so bar values are always positive), @@ -70,139 +65,31 @@ struct dma_mapping_ops *get_pci_dma_ops(void) } EXPORT_SYMBOL(get_pci_dma_ops); -static void fixup_broken_pcnet32(struct pci_dev* dev) -{ - if ((dev->class>>8 == PCI_CLASS_NETWORK_ETHERNET)) { - dev->vendor = PCI_VENDOR_ID_AMD; - pci_write_config_word(dev, PCI_VENDOR_ID, PCI_VENDOR_ID_AMD); - } -} -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TRIDENT, PCI_ANY_ID, fixup_broken_pcnet32); -void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, - struct resource *res) +int pci_set_dma_mask(struct pci_dev *dev, u64 mask) { - unsigned long offset = 0; - struct pci_controller *hose = pci_bus_to_host(dev->bus); - - if (!hose) - return; - - if (res->flags & IORESOURCE_IO) - offset = (unsigned long)hose->io_base_virt - _IO_BASE; - - if (res->flags & IORESOURCE_MEM) - offset = hose->pci_mem_offset; - - region->start = res->start - offset; - region->end = res->end - offset; + return dma_set_mask(&dev->dev, mask); } -void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, - struct pci_bus_region *region) +int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask) { - unsigned long offset = 0; - struct pci_controller *hose = pci_bus_to_host(dev->bus); - - if (!hose) - return; - - if (res->flags & IORESOURCE_IO) - offset = (unsigned long)hose->io_base_virt - _IO_BASE; + int rc; - if (res->flags & IORESOURCE_MEM) - offset = hose->pci_mem_offset; + rc = dma_set_mask(&dev->dev, mask); + dev->dev.coherent_dma_mask = dev->dma_mask; - res->start = region->start + offset; - res->end = region->end + offset; + return rc; } -#ifdef CONFIG_HOTPLUG -EXPORT_SYMBOL(pcibios_resource_to_bus); -EXPORT_SYMBOL(pcibios_bus_to_resource); -#endif - -/* - * We need to avoid collisions with `mirrored' VGA ports - * and other strange ISA hardware, so we always want the - * addresses to be allocated in the 0x000-0x0ff region - * modulo 0x400. - * - * Why? Because some silly external IO cards only decode - * the low 10 bits of the IO address. The 0x00-0xff region - * is reserved for motherboard devices that decode all 16 - * bits, so it's ok to allocate at, say, 0x2800-0x28ff, - * but we want to try to avoid allocating at 0x2900-0x2bff - * which might have be mirrored at 0x0100-0x03ff.. - */ -void pcibios_align_resource(void *data, struct resource *res, - resource_size_t size, resource_size_t align) -{ - struct pci_dev *dev = data; - struct pci_controller *hose = pci_bus_to_host(dev->bus); - resource_size_t start = res->start; - unsigned long alignto; - - if (res->flags & IORESOURCE_IO) { - unsigned long offset = (unsigned long)hose->io_base_virt - - _IO_BASE; - /* Make sure we start at our min on all hoses */ - if (start - offset < PCIBIOS_MIN_IO) - start = PCIBIOS_MIN_IO + offset; - - /* - * Put everything into 0x00-0xff region modulo 0x400 - */ - if (start & 0x300) - start = (start + 0x3ff) & ~0x3ff; - - } else if (res->flags & IORESOURCE_MEM) { - /* Make sure we start at our min on all hoses */ - if (start - hose->pci_mem_offset < PCIBIOS_MIN_MEM) - start = PCIBIOS_MIN_MEM + hose->pci_mem_offset; - - /* Align to multiple of size of minimum base. */ - alignto = max(0x1000UL, align); - start = ALIGN(start, alignto); - } - - res->start = start; -} - -void __devinit pcibios_claim_one_bus(struct pci_bus *b) +static void fixup_broken_pcnet32(struct pci_dev* dev) { - struct pci_dev *dev; - struct pci_bus *child_bus; - - list_for_each_entry(dev, &b->devices, bus_list) { - int i; - - for (i = 0; i < PCI_NUM_RESOURCES; i++) { - struct resource *r = &dev->resource[i]; - - if (r->parent || !r->start || !r->flags) - continue; - pci_claim_resource(dev, i); - } + if ((dev->class>>8 == PCI_CLASS_NETWORK_ETHERNET)) { + dev->vendor = PCI_VENDOR_ID_AMD; + pci_write_config_word(dev, PCI_VENDOR_ID, PCI_VENDOR_ID_AMD); } - - list_for_each_entry(child_bus, &b->children, node) - pcibios_claim_one_bus(child_bus); } -#ifdef CONFIG_HOTPLUG -EXPORT_SYMBOL_GPL(pcibios_claim_one_bus); -#endif - -static void __init pcibios_claim_of_setup(void) -{ - struct pci_bus *b; - - if (firmware_has_feature(FW_FEATURE_ISERIES)) - return; +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TRIDENT, PCI_ANY_ID, fixup_broken_pcnet32); - list_for_each_entry(b, &pci_root_buses, node) - pcibios_claim_one_bus(b); -} static u32 get_int_prop(struct device_node *np, const char *name, u32 def) { @@ -270,7 +157,6 @@ static void pci_parse_of_addrs(struct device_node *node, struct pci_dev *dev) res->end = base + size - 1; res->flags = flags; res->name = pci_name(dev); - fixup_resource(res, dev); } } @@ -339,7 +225,7 @@ struct pci_dev *of_create_pci_dev(struct device_node *node, EXPORT_SYMBOL(of_create_pci_dev); void __devinit of_scan_bus(struct device_node *node, - struct pci_bus *bus) + struct pci_bus *bus) { struct device_node *child = NULL; const u32 *reg; @@ -348,6 +234,7 @@ void __devinit of_scan_bus(struct device_node *node, DBG("of_scan_bus(%s) bus no %d... \n", node->full_name, bus->number); + /* Scan direct children */ while ((child = of_get_next_child(node, child)) != NULL) { DBG(" * %s\n", child->full_name); reg = of_get_property(child, "reg", ®len); @@ -359,19 +246,26 @@ void __devinit of_scan_bus(struct device_node *node, dev = of_create_pci_dev(child, bus, devfn); if (!dev) continue; - DBG("dev header type: %x\n", dev->hdr_type); + DBG(" dev header type: %x\n", dev->hdr_type); + } + + /* Ally all fixups */ + pcibios_fixup_of_probed_bus(bus); + /* Now scan child busses */ + list_for_each_entry(dev, &bus->devices, bus_list) { if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE || - dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) - of_scan_pci_bridge(child, dev); + dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) { + struct device_node *child = pci_device_to_OF_node(dev); + if (dev) + of_scan_pci_bridge(child, dev); + } } - - do_bus_setup(bus); } EXPORT_SYMBOL(of_scan_bus); void __devinit of_scan_pci_bridge(struct device_node *node, - struct pci_dev *dev) + struct pci_dev *dev) { struct pci_bus *bus; const u32 *busrange, *ranges; @@ -441,7 +335,6 @@ void __devinit of_scan_pci_bridge(struct device_node *node, res->start = of_read_number(&ranges[1], 2); res->end = res->start + size - 1; res->flags = flags; - fixup_resource(res, dev); } sprintf(bus->name, "PCI Bus %04x:%02x", pci_domain_nr(bus), bus->number); @@ -462,12 +355,13 @@ EXPORT_SYMBOL(of_scan_pci_bridge); void __devinit scan_phb(struct pci_controller *hose) { struct pci_bus *bus; - struct device_node *node = hose->arch_data; + struct device_node *node = hose->dn; int i, mode; struct resource *res; - DBG("Scanning PHB %s\n", node ? node->full_name : "<NO NAME>"); + DBG("PCI: Scanning PHB %s\n", node ? node->full_name : "<NO NAME>"); + /* Create an empty bus for the toplevel */ bus = pci_create_bus(hose->parent, hose->first_busno, hose->ops, node); if (bus == NULL) { printk(KERN_ERR "Failed to create bus for PCI domain %04x\n", @@ -477,27 +371,29 @@ void __devinit scan_phb(struct pci_controller *hose) bus->secondary = hose->first_busno; hose->bus = bus; - if (!firmware_has_feature(FW_FEATURE_ISERIES)) - pcibios_map_io_space(bus); + /* Get some IO space for the new PHB */ + pcibios_map_io_space(bus); - bus->resource[0] = res = &hose->io_resource; - if (res->flags && request_resource(&ioport_resource, res)) { - printk(KERN_ERR "Failed to request PCI IO region " - "on PCI domain %04x\n", hose->global_number); - DBG("res->start = 0x%016lx, res->end = 0x%016lx\n", - res->start, res->end); + /* Wire up PHB bus resources */ + if (hose->io_resource.flags) { + DBG("PCI: PHB IO resource = %016lx-%016lx [%lx]\n", + hose->io_resource.start, hose->io_resource.end, + hose->io_resource.flags); + bus->resource[0] = res = &hose->io_resource; } - for (i = 0; i < 3; ++i) { - res = &hose->mem_resources[i]; - bus->resource[i+1] = res; - if (res->flags && request_resource(&iomem_resource, res)) - printk(KERN_ERR "Failed to request PCI memory region " - "on PCI domain %04x\n", hose->global_number); + DBG("PCI: PHB MEM resource %d = %016lx-%016lx [%lx]\n", i, + hose->mem_resources[i].start, + hose->mem_resources[i].end, + hose->mem_resources[i].flags); + bus->resource[i+1] = &hose->mem_resources[i]; } + DBG("PCI: PHB MEM offset = %016lx\n", hose->pci_mem_offset); + DBG("PCI: PHB IO offset = %08lx\n", + (unsigned long)hose->io_base_virt - _IO_BASE); + /* Get probe mode and perform scan */ mode = PCI_PROBE_NORMAL; - if (node && ppc_md.pci_probe_mode) mode = ppc_md.pci_probe_mode(bus); DBG(" probe mode: %d\n", mode); @@ -514,15 +410,15 @@ static int __init pcibios_init(void) { struct pci_controller *hose, *tmp; + printk(KERN_INFO "PCI: Probing PCI hardware\n"); + /* For now, override phys_mem_access_prot. If we need it, * later, we may move that initialization to each ppc_md */ ppc_md.phys_mem_access_prot = pci_phys_mem_access_prot; - if (firmware_has_feature(FW_FEATURE_ISERIES)) - iSeries_pcibios_init(); - - printk(KERN_DEBUG "PCI: Probing PCI hardware\n"); + if (pci_probe_only) + ppc_pci_flags |= PPC_PCI_PROBE_ONLY; /* Scan all of the recorded PCI controllers. */ list_for_each_entry_safe(hose, tmp, &hose_list, list_node) { @@ -530,19 +426,8 @@ static int __init pcibios_init(void) pci_bus_add_devices(hose->bus); } - if (!firmware_has_feature(FW_FEATURE_ISERIES)) { - if (pci_probe_only) - pcibios_claim_of_setup(); - else - /* FIXME: `else' will be removed when - pci_assign_unassigned_resources() is able to work - correctly with [partially] allocated PCI tree. */ - pci_assign_unassigned_resources(); - } - - /* Call machine dependent final fixup */ - if (ppc_md.pcibios_fixup) - ppc_md.pcibios_fixup(); + /* Call common code to handle resource allocation */ + pcibios_resource_survey(); printk(KERN_DEBUG "PCI: Probing PCI hardware done\n"); @@ -551,141 +436,6 @@ static int __init pcibios_init(void) subsys_initcall(pcibios_init); -int pcibios_enable_device(struct pci_dev *dev, int mask) -{ - u16 cmd, oldcmd; - int i; - - pci_read_config_word(dev, PCI_COMMAND, &cmd); - oldcmd = cmd; - - for (i = 0; i < PCI_NUM_RESOURCES; i++) { - struct resource *res = &dev->resource[i]; - - /* Only set up the requested stuff */ - if (!(mask & (1<<i))) - continue; - - if (res->flags & IORESOURCE_IO) - cmd |= PCI_COMMAND_IO; - if (res->flags & IORESOURCE_MEM) - cmd |= PCI_COMMAND_MEMORY; - } - - if (cmd != oldcmd) { - printk(KERN_DEBUG "PCI: Enabling device: (%s), cmd %x\n", - pci_name(dev), cmd); - /* Enable the appropriate bits in the PCI command register. */ - pci_write_config_word(dev, PCI_COMMAND, cmd); - } - return 0; -} - -/* Decide whether to display the domain number in /proc */ -int pci_proc_domain(struct pci_bus *bus) -{ - if (firmware_has_feature(FW_FEATURE_ISERIES)) - return 0; - else { - struct pci_controller *hose = pci_bus_to_host(bus); - return hose->buid != 0; - } -} - -void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose, - struct device_node *dev, int prim) -{ - const unsigned int *ranges; - unsigned int pci_space; - unsigned long size; - int rlen = 0; - int memno = 0; - struct resource *res; - int np, na = of_n_addr_cells(dev); - unsigned long pci_addr, cpu_phys_addr; - - np = na + 5; - - /* From "PCI Binding to 1275" - * The ranges property is laid out as an array of elements, - * each of which comprises: - * cells 0 - 2: a PCI address - * cells 3 or 3+4: a CPU physical address - * (size depending on dev->n_addr_cells) - * cells 4+5 or 5+6: the size of the range - */ - ranges = of_get_property(dev, "ranges", &rlen); - if (ranges == NULL) - return; - hose->io_base_phys = 0; - while ((rlen -= np * sizeof(unsigned int)) >= 0) { - res = NULL; - pci_space = ranges[0]; - pci_addr = ((unsigned long)ranges[1] << 32) | ranges[2]; - cpu_phys_addr = of_translate_address(dev, &ranges[3]); - size = ((unsigned long)ranges[na+3] << 32) | ranges[na+4]; - ranges += np; - if (size == 0) - continue; - - /* Now consume following elements while they are contiguous */ - while (rlen >= np * sizeof(unsigned int)) { - unsigned long addr, phys; - - if (ranges[0] != pci_space) - break; - addr = ((unsigned long)ranges[1] << 32) | ranges[2]; - phys = ranges[3]; - if (na >= 2) - phys = (phys << 32) | ranges[4]; - if (addr != pci_addr + size || - phys != cpu_phys_addr + size) - break; - - size += ((unsigned long)ranges[na+3] << 32) - | ranges[na+4]; - ranges += np; - rlen -= np * sizeof(unsigned int); - } - - switch ((pci_space >> 24) & 0x3) { - case 1: /* I/O space */ - hose->io_base_phys = cpu_phys_addr - pci_addr; - /* handle from 0 to top of I/O window */ - hose->pci_io_size = pci_addr + size; - - res = &hose->io_resource; - res->flags = IORESOURCE_IO; - res->start = pci_addr; - DBG("phb%d: IO 0x%lx -> 0x%lx\n", hose->global_number, - res->start, res->start + size - 1); - break; - case 2: /* memory space */ - memno = 0; - while (memno < 3 && hose->mem_resources[memno].flags) - ++memno; - - if (memno == 0) - hose->pci_mem_offset = cpu_phys_addr - pci_addr; - if (memno < 3) { - res = &hose->mem_resources[memno]; - res->flags = IORESOURCE_MEM; - res->start = cpu_phys_addr; - DBG("phb%d: MEM 0x%lx -> 0x%lx\n", hose->global_number, - res->start, res->start + size - 1); - } - break; - } - if (res != NULL) { - res->name = dev->full_name; - res->end = res->start + size - 1; - res->parent = NULL; - res->sibling = NULL; - res->child = NULL; - } - } -} - #ifdef CONFIG_HOTPLUG int pcibios_unmap_io_space(struct pci_bus *bus) @@ -719,8 +469,7 @@ int pcibios_unmap_io_space(struct pci_bus *bus) if (hose->io_base_alloc == 0) return 0; - DBG("IO unmapping for PHB %s\n", - ((struct device_node *)hose->arch_data)->full_name); + DBG("IO unmapping for PHB %s\n", hose->dn->full_name); DBG(" alloc=0x%p\n", hose->io_base_alloc); /* This is a PHB, we fully unmap the IO area */ @@ -779,8 +528,7 @@ int __devinit pcibios_map_io_space(struct pci_bus *bus) hose->io_base_virt = (void __iomem *)(area->addr + hose->io_base_phys - phys_page); - DBG("IO mapping for PHB %s\n", - ((struct device_node *)hose->arch_data)->full_name); + DBG("IO mapping for PHB %s\n", hose->dn->full_name); DBG(" phys=0x%016lx, virt=0x%p (alloc=0x%p)\n", hose->io_base_phys, hose->io_base_virt, hose->io_base_alloc); DBG(" size=0x%016lx (alloc=0x%016lx)\n", @@ -803,51 +551,13 @@ int __devinit pcibios_map_io_space(struct pci_bus *bus) } EXPORT_SYMBOL_GPL(pcibios_map_io_space); -static void __devinit fixup_resource(struct resource *res, struct pci_dev *dev) -{ - struct pci_controller *hose = pci_bus_to_host(dev->bus); - unsigned long offset; - - if (res->flags & IORESOURCE_IO) { - offset = (unsigned long)hose->io_base_virt - _IO_BASE; - res->start += offset; - res->end += offset; - } else if (res->flags & IORESOURCE_MEM) { - res->start += hose->pci_mem_offset; - res->end += hose->pci_mem_offset; - } -} - -void __devinit pcibios_fixup_device_resources(struct pci_dev *dev, - struct pci_bus *bus) -{ - /* Update device resources. */ - int i; - - DBG("%s: Fixup resources:\n", pci_name(dev)); - for (i = 0; i < PCI_NUM_RESOURCES; i++) { - struct resource *res = &dev->resource[i]; - if (!res->flags) - continue; - - DBG(" 0x%02x < %08lx:0x%016lx...0x%016lx\n", - i, res->flags, res->start, res->end); - - fixup_resource(res, dev); - - DBG(" > %08lx:0x%016lx...0x%016lx\n", - res->flags, res->start, res->end); - } -} -EXPORT_SYMBOL(pcibios_fixup_device_resources); - void __devinit pcibios_setup_new_device(struct pci_dev *dev) { struct dev_archdata *sd = &dev->dev.archdata; sd->of_node = pci_device_to_OF_node(dev); - DBG("PCI device %s OF node: %s\n", pci_name(dev), + DBG("PCI: device %s OF node: %s\n", pci_name(dev), sd->of_node ? sd->of_node->full_name : "<none>"); sd->dma_ops = pci_dma_ops; @@ -861,7 +571,7 @@ void __devinit pcibios_setup_new_device(struct pci_dev *dev) } EXPORT_SYMBOL(pcibios_setup_new_device); -static void __devinit do_bus_setup(struct pci_bus *bus) +void __devinit pcibios_do_bus_setup(struct pci_bus *bus) { struct pci_dev *dev; @@ -870,42 +580,7 @@ static void __devinit do_bus_setup(struct pci_bus *bus) list_for_each_entry(dev, &bus->devices, bus_list) pcibios_setup_new_device(dev); - - /* Read default IRQs and fixup if necessary */ - list_for_each_entry(dev, &bus->devices, bus_list) { - pci_read_irq_line(dev); - if (ppc_md.pci_irq_fixup) - ppc_md.pci_irq_fixup(dev); - } -} - -void __devinit pcibios_fixup_bus(struct pci_bus *bus) -{ - struct pci_dev *dev = bus->self; - struct device_node *np; - - np = pci_bus_to_OF_node(bus); - - DBG("pcibios_fixup_bus(%s)\n", np ? np->full_name : "<???>"); - - if (dev && pci_probe_only && - (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) { - /* This is a subordinate bridge */ - - pci_read_bridge_bases(bus); - pcibios_fixup_device_resources(dev, bus); - } - - do_bus_setup(bus); - - if (!pci_probe_only) - return; - - list_for_each_entry(dev, &bus->devices, bus_list) - if ((dev->class >> 8) != PCI_CLASS_BRIDGE_PCI) - pcibios_fixup_device_resources(dev, bus); } -EXPORT_SYMBOL(pcibios_fixup_bus); unsigned long pci_address_to_pio(phys_addr_t address) { diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c index b4839038613d..85d4d8924b5c 100644 --- a/arch/powerpc/kernel/pci_dn.c +++ b/arch/powerpc/kernel/pci_dn.c @@ -133,7 +133,7 @@ void *traverse_pci_devices(struct device_node *start, traverse_func pre, */ void __devinit pci_devs_phb_init_dynamic(struct pci_controller *phb) { - struct device_node * dn = (struct device_node *) phb->arch_data; + struct device_node *dn = phb->dn; struct pci_dn *pdn; /* PHB nodes themselves must not match */ diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index acc0d247d3c3..6c2d8836f77d 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -583,6 +583,20 @@ static void __init check_cpu_pa_features(unsigned long node) ibm_pa_features, ARRAY_SIZE(ibm_pa_features)); } +#ifdef CONFIG_PPC64 +static void __init check_cpu_slb_size(unsigned long node) +{ + u32 *slb_size_ptr; + + slb_size_ptr = of_get_flat_dt_prop(node, "ibm,slb-size", NULL); + if (slb_size_ptr != NULL) { + mmu_slb_size = *slb_size_ptr; + } +} +#else +#define check_cpu_slb_size(node) do { } while(0) +#endif + static struct feature_property { const char *name; u32 min_value; @@ -713,6 +727,7 @@ static int __init early_init_dt_scan_cpus(unsigned long node, check_cpu_feature_properties(node); check_cpu_pa_features(node); + check_cpu_slb_size(node); #ifdef CONFIG_PPC_PSERIES if (nthreads > 1) diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index b5c96af955c6..90eb3a3e383e 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -273,7 +273,7 @@ int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq) #else struct pci_controller *host; host = pci_bus_to_host(pdev->bus); - ppnode = host ? host->arch_data : NULL; + ppnode = host ? host->dn : NULL; #endif /* No node for host bridge ? give up */ if (ppnode == NULL) @@ -419,7 +419,7 @@ static struct of_bus *of_match_bus(struct device_node *np) static int of_translate_one(struct device_node *parent, struct of_bus *bus, struct of_bus *pbus, u32 *addr, - int na, int ns, int pna) + int na, int ns, int pna, const char *rprop) { const u32 *ranges; unsigned int rlen; @@ -438,7 +438,7 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus, * to translate addresses that aren't supposed to be translated in * the first place. --BenH. */ - ranges = of_get_property(parent, "ranges", &rlen); + ranges = of_get_property(parent, rprop, &rlen); if (ranges == NULL || rlen == 0) { offset = of_read_number(addr, na); memset(addr, 0, pna * 4); @@ -481,7 +481,8 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus, * that can be mapped to a cpu physical address). This is not really specified * that way, but this is traditionally the way IBM at least do things */ -u64 of_translate_address(struct device_node *dev, const u32 *in_addr) +u64 __of_translate_address(struct device_node *dev, const u32 *in_addr, + const char *rprop) { struct device_node *parent = NULL; struct of_bus *bus, *pbus; @@ -540,7 +541,7 @@ u64 of_translate_address(struct device_node *dev, const u32 *in_addr) pbus->name, pna, pns, parent->full_name); /* Apply bus translation */ - if (of_translate_one(dev, bus, pbus, addr, na, ns, pna)) + if (of_translate_one(dev, bus, pbus, addr, na, ns, pna, rprop)) break; /* Complete the move up one level */ @@ -556,8 +557,19 @@ u64 of_translate_address(struct device_node *dev, const u32 *in_addr) return result; } + +u64 of_translate_address(struct device_node *dev, const u32 *in_addr) +{ + return __of_translate_address(dev, in_addr, "ranges"); +} EXPORT_SYMBOL(of_translate_address); +u64 of_translate_dma_address(struct device_node *dev, const u32 *in_addr) +{ + return __of_translate_address(dev, in_addr, "dma-ranges"); +} +EXPORT_SYMBOL(of_translate_dma_address); + const u32 *of_get_address(struct device_node *dev, int index, u64 *size, unsigned int *flags) { diff --git a/arch/powerpc/kernel/rtas_pci.c b/arch/powerpc/kernel/rtas_pci.c index 21f14e57d1f3..99aaae3409c0 100644 --- a/arch/powerpc/kernel/rtas_pci.c +++ b/arch/powerpc/kernel/rtas_pci.c @@ -260,7 +260,7 @@ static int phb_set_bus_ranges(struct device_node *dev, int __devinit rtas_setup_phb(struct pci_controller *phb) { - struct device_node *dev = phb->arch_data; + struct device_node *dev = phb->dn; if (is_python(dev)) python_countermeasures(dev); @@ -311,10 +311,12 @@ void __init find_and_init_phbs(void) if (prop) pci_probe_only = *prop; +#ifdef CONFIG_PPC32 /* Will be made generic soon */ prop = of_get_property(of_chosen, "linux,pci-assign-all-buses", NULL); - if (prop) - pci_assign_all_buses = *prop; + if (prop && *prop) + ppc_pci_flags |= PPC_PCI_REASSIGN_ALL_BUS; +#endif /* CONFIG_PPC32 */ } } diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 2de00f870edc..6adb5a1e98bb 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -33,6 +33,7 @@ #include <linux/serial.h> #include <linux/serial_8250.h> #include <linux/debugfs.h> +#include <linux/percpu.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/processor.h> @@ -57,6 +58,7 @@ #include <asm/mmu.h> #include <asm/lmb.h> #include <asm/xmon.h> +#include <asm/cputhreads.h> #include "setup.h" @@ -327,6 +329,31 @@ void __init check_for_initrd(void) #ifdef CONFIG_SMP +int threads_per_core, threads_shift; +cpumask_t threads_core_mask; + +static void __init cpu_init_thread_core_maps(int tpc) +{ + int i; + + threads_per_core = tpc; + threads_core_mask = CPU_MASK_NONE; + + /* This implementation only supports power of 2 number of threads + * for simplicity and performance + */ + threads_shift = ilog2(tpc); + BUG_ON(tpc != (1 << threads_shift)); + + for (i = 0; i < tpc; i++) + cpu_set(i, threads_core_mask); + + printk(KERN_INFO "CPU maps initialized for %d thread%s per core\n", + tpc, tpc > 1 ? "s" : ""); + printk(KERN_DEBUG " (thread shift is %d)\n", threads_shift); +} + + /** * setup_cpu_maps - initialize the following cpu maps: * cpu_possible_map @@ -350,22 +377,32 @@ void __init smp_setup_cpu_maps(void) { struct device_node *dn = NULL; int cpu = 0; + int nthreads = 1; + + DBG("smp_setup_cpu_maps()\n"); while ((dn = of_find_node_by_type(dn, "cpu")) && cpu < NR_CPUS) { const int *intserv; - int j, len = sizeof(u32), nthreads = 1; + int j, len; + + DBG(" * %s...\n", dn->full_name); intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len); - if (intserv) + if (intserv) { nthreads = len / sizeof(int); - else { + DBG(" ibm,ppc-interrupt-server#s -> %d threads\n", + nthreads); + } else { + DBG(" no ibm,ppc-interrupt-server#s -> 1 thread\n"); intserv = of_get_property(dn, "reg", NULL); if (!intserv) intserv = &cpu; /* assume logical == phys */ } for (j = 0; j < nthreads && cpu < NR_CPUS; j++) { + DBG(" thread %d -> cpu %d (hard id %d)\n", + j, cpu, intserv[j]); cpu_set(cpu, cpu_present_map); set_hard_smp_processor_id(cpu, intserv[j]); cpu_set(cpu, cpu_possible_map); @@ -373,6 +410,12 @@ void __init smp_setup_cpu_maps(void) } } + /* If no SMT supported, nthreads is forced to 1 */ + if (!cpu_has_feature(CPU_FTR_SMT)) { + DBG(" SMT disabled ! nthreads forced to 1\n"); + nthreads = 1; + } + #ifdef CONFIG_PPC64 /* * On pSeries LPAR, we need to know how many cpus @@ -395,7 +438,7 @@ void __init smp_setup_cpu_maps(void) /* Double maxcpus for processors which have SMT capability */ if (cpu_has_feature(CPU_FTR_SMT)) - maxcpus *= 2; + maxcpus *= nthreads; if (maxcpus > NR_CPUS) { printk(KERN_WARNING @@ -412,9 +455,16 @@ void __init smp_setup_cpu_maps(void) out: of_node_put(dn); } - vdso_data->processorCount = num_present_cpus(); #endif /* CONFIG_PPC64 */ + + /* Initialize CPU <=> thread mapping/ + * + * WARNING: We assume that the number of threads is the same for + * every CPU in the system. If that is not the case, then some code + * here will have to be reworked + */ + cpu_init_thread_core_maps(nthreads); } /* @@ -424,17 +474,19 @@ void __init smp_setup_cpu_maps(void) */ void __init smp_setup_cpu_sibling_map(void) { -#if defined(CONFIG_PPC64) - int cpu; +#ifdef CONFIG_PPC64 + int i, cpu, base; - /* - * Do the sibling map; assume only two threads per processor. - */ for_each_possible_cpu(cpu) { - cpu_set(cpu, per_cpu(cpu_sibling_map, cpu)); - if (cpu_has_feature(CPU_FTR_SMT)) - cpu_set(cpu ^ 0x1, per_cpu(cpu_sibling_map, cpu)); + DBG("Sibling map for CPU %d:", cpu); + base = cpu_first_thread_in_core(cpu); + for (i = 0; i < threads_per_core; i++) { + cpu_set(base + i, per_cpu(cpu_sibling_map, cpu)); + DBG(" %d", base + i); + } + DBG("\n"); } + #endif /* CONFIG_PPC64 */ } #endif /* CONFIG_SMP */ diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 6126bca8b70a..d840bc772fd3 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -24,13 +24,12 @@ #include <linux/signal.h> #include <linux/errno.h> #include <linux/elf.h> +#include <linux/ptrace.h> #ifdef CONFIG_PPC64 #include <linux/syscalls.h> #include <linux/compat.h> -#include <linux/ptrace.h> #else #include <linux/wait.h> -#include <linux/ptrace.h> #include <linux/unistd.h> #include <linux/stddef.h> #include <linux/tty.h> diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index a925a8eae121..5cd3db5cae41 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -116,9 +116,12 @@ static struct clock_event_device decrementer_clockevent = { .features = CLOCK_EVT_FEAT_ONESHOT, }; -static DEFINE_PER_CPU(struct clock_event_device, decrementers); -void init_decrementer_clockevent(void); -static DEFINE_PER_CPU(u64, decrementer_next_tb); +struct decrementer_clock { + struct clock_event_device event; + u64 next_tb; +}; + +static DEFINE_PER_CPU(struct decrementer_clock, decrementers); #ifdef CONFIG_PPC_ISERIES static unsigned long __initdata iSeries_recal_titan; @@ -216,7 +219,11 @@ static u64 read_purr(void) */ static u64 read_spurr(u64 purr) { - if (cpu_has_feature(CPU_FTR_SPURR)) + /* + * cpus without PURR won't have a SPURR + * We already know the former when we use this, so tell gcc + */ + if (cpu_has_feature(CPU_FTR_PURR) && cpu_has_feature(CPU_FTR_SPURR)) return mfspr(SPRN_SPURR); return purr; } @@ -227,29 +234,30 @@ static u64 read_spurr(u64 purr) */ void account_system_vtime(struct task_struct *tsk) { - u64 now, nowscaled, delta, deltascaled; + u64 now, nowscaled, delta, deltascaled, sys_time; unsigned long flags; local_irq_save(flags); now = read_purr(); - delta = now - get_paca()->startpurr; - get_paca()->startpurr = now; nowscaled = read_spurr(now); + delta = now - get_paca()->startpurr; deltascaled = nowscaled - get_paca()->startspurr; + get_paca()->startpurr = now; get_paca()->startspurr = nowscaled; if (!in_interrupt()) { /* deltascaled includes both user and system time. * Hence scale it based on the purr ratio to estimate * the system time */ + sys_time = get_paca()->system_time; if (get_paca()->user_time) - deltascaled = deltascaled * get_paca()->system_time / - (get_paca()->system_time + get_paca()->user_time); - delta += get_paca()->system_time; + deltascaled = deltascaled * sys_time / + (sys_time + get_paca()->user_time); + delta += sys_time; get_paca()->system_time = 0; } account_system_time(tsk, 0, delta); - get_paca()->purrdelta = delta; account_system_time_scaled(tsk, deltascaled); + get_paca()->purrdelta = delta; get_paca()->spurrdelta = deltascaled; local_irq_restore(flags); } @@ -326,11 +334,9 @@ void calculate_steal_time(void) s64 stolen; struct cpu_purr_data *pme; - if (!cpu_has_feature(CPU_FTR_PURR)) - return; - pme = &per_cpu(cpu_purr_data, smp_processor_id()); + pme = &__get_cpu_var(cpu_purr_data); if (!pme->initialized) - return; /* this can happen in early boot */ + return; /* !CPU_FTR_PURR or early in early boot */ tb = mftb(); purr = mfspr(SPRN_PURR); stolen = (tb - pme->tb) - (purr - pme->purr); @@ -353,7 +359,7 @@ static void snapshot_purr(void) if (!cpu_has_feature(CPU_FTR_PURR)) return; local_irq_save(flags); - pme = &per_cpu(cpu_purr_data, smp_processor_id()); + pme = &__get_cpu_var(cpu_purr_data); pme->tb = mftb(); pme->purr = mfspr(SPRN_PURR); pme->initialized = 1; @@ -556,8 +562,8 @@ void __init iSeries_time_init_early(void) void timer_interrupt(struct pt_regs * regs) { struct pt_regs *old_regs; - int cpu = smp_processor_id(); - struct clock_event_device *evt = &per_cpu(decrementers, cpu); + struct decrementer_clock *decrementer = &__get_cpu_var(decrementers); + struct clock_event_device *evt = &decrementer->event; u64 now; /* Ensure a positive value is written to the decrementer, or else @@ -570,9 +576,9 @@ void timer_interrupt(struct pt_regs * regs) #endif now = get_tb_or_rtc(); - if (now < per_cpu(decrementer_next_tb, cpu)) { + if (now < decrementer->next_tb) { /* not time for this event yet */ - now = per_cpu(decrementer_next_tb, cpu) - now; + now = decrementer->next_tb - now; if (now <= DECREMENTER_MAX) set_dec((int)now); return; @@ -623,6 +629,45 @@ void wakeup_decrementer(void) set_dec(ticks); } +#ifdef CONFIG_SUSPEND +void generic_suspend_disable_irqs(void) +{ + preempt_disable(); + + /* Disable the decrementer, so that it doesn't interfere + * with suspending. + */ + + set_dec(0x7fffffff); + local_irq_disable(); + set_dec(0x7fffffff); +} + +void generic_suspend_enable_irqs(void) +{ + wakeup_decrementer(); + + local_irq_enable(); + preempt_enable(); +} + +/* Overrides the weak version in kernel/power/main.c */ +void arch_suspend_disable_irqs(void) +{ + if (ppc_md.suspend_disable_irqs) + ppc_md.suspend_disable_irqs(); + generic_suspend_disable_irqs(); +} + +/* Overrides the weak version in kernel/power/main.c */ +void arch_suspend_enable_irqs(void) +{ + generic_suspend_enable_irqs(); + if (ppc_md.suspend_enable_irqs) + ppc_md.suspend_enable_irqs(); +} +#endif + #ifdef CONFIG_SMP void __init smp_space_timers(unsigned int max_cpus) { @@ -811,7 +856,7 @@ void __init clocksource_init(void) static int decrementer_set_next_event(unsigned long evt, struct clock_event_device *dev) { - __get_cpu_var(decrementer_next_tb) = get_tb_or_rtc() + evt; + __get_cpu_var(decrementers).next_tb = get_tb_or_rtc() + evt; set_dec(evt); return 0; } @@ -825,7 +870,7 @@ static void decrementer_set_mode(enum clock_event_mode mode, static void register_decrementer_clockevent(int cpu) { - struct clock_event_device *dec = &per_cpu(decrementers, cpu); + struct clock_event_device *dec = &per_cpu(decrementers, cpu).event; *dec = decrementer_clockevent; dec->cpumask = cpumask_of_cpu(cpu); @@ -836,7 +881,7 @@ static void register_decrementer_clockevent(int cpu) clockevents_register_device(dec); } -void init_decrementer_clockevent(void) +static void __init init_decrementer_clockevent(void) { int cpu = smp_processor_id(); diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 59c464e26f38..cad64840fce4 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -622,6 +622,9 @@ static void parse_fpe(struct pt_regs *regs) #define INST_POPCNTB 0x7c0000f4 #define INST_POPCNTB_MASK 0xfc0007fe +#define INST_ISEL 0x7c00001e +#define INST_ISEL_MASK 0xfc00003e + static int emulate_string_inst(struct pt_regs *regs, u32 instword) { u8 rT = (instword >> 21) & 0x1f; @@ -707,6 +710,23 @@ static int emulate_popcntb_inst(struct pt_regs *regs, u32 instword) return 0; } +static int emulate_isel(struct pt_regs *regs, u32 instword) +{ + u8 rT = (instword >> 21) & 0x1f; + u8 rA = (instword >> 16) & 0x1f; + u8 rB = (instword >> 11) & 0x1f; + u8 BC = (instword >> 6) & 0x1f; + u8 bit; + unsigned long tmp; + + tmp = (rA == 0) ? 0 : regs->gpr[rA]; + bit = (regs->ccr >> (31 - BC)) & 0x1; + + regs->gpr[rT] = bit ? tmp : regs->gpr[rB]; + + return 0; +} + static int emulate_instruction(struct pt_regs *regs) { u32 instword; @@ -749,6 +769,11 @@ static int emulate_instruction(struct pt_regs *regs) return emulate_popcntb_inst(regs, instword); } + /* Emulate isel (Integer Select) instruction */ + if ((instword & INST_ISEL_MASK) == INST_ISEL) { + return emulate_isel(regs, instword); + } + return -EINVAL; } diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c index d723070c9a33..eba148f2a31c 100644 --- a/arch/powerpc/kernel/udbg.c +++ b/arch/powerpc/kernel/udbg.c @@ -57,6 +57,10 @@ void __init udbg_early_init(void) #elif defined(CONFIG_PPC_EARLY_DEBUG_CPM) udbg_init_cpm(); #endif + +#ifdef CONFIG_PPC_EARLY_DEBUG + console_loglevel = 10; +#endif } /* udbg library, used by xmon et al */ diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c index 833a3d0bcfa7..df740eae77b8 100644 --- a/arch/powerpc/kernel/udbg_16550.c +++ b/arch/powerpc/kernel/udbg_16550.c @@ -46,7 +46,7 @@ struct NS16550 { #define LCR_DLAB 0x80 -static volatile struct NS16550 __iomem *udbg_comport; +static struct NS16550 __iomem *udbg_comport; static void udbg_550_putc(char c) { @@ -117,7 +117,7 @@ unsigned int udbg_probe_uart_speed(void __iomem *comport, unsigned int clock) { unsigned int dll, dlm, divisor, prescaler, speed; u8 old_lcr; - volatile struct NS16550 __iomem *port = comport; + struct NS16550 __iomem *port = comport; old_lcr = in_8(&port->lcr); @@ -162,7 +162,7 @@ void udbg_maple_real_putc(char c) void __init udbg_init_maple_realmode(void) { - udbg_comport = (volatile struct NS16550 __iomem *)0xf40003f8; + udbg_comport = (struct NS16550 __iomem *)0xf40003f8; udbg_putc = udbg_maple_real_putc; udbg_getc = NULL; @@ -184,7 +184,7 @@ void udbg_pas_real_putc(char c) void udbg_init_pas_realmode(void) { - udbg_comport = (volatile struct NS16550 __iomem *)0xfcff03f8UL; + udbg_comport = (struct NS16550 __iomem *)0xfcff03f8UL; udbg_putc = udbg_pas_real_putc; udbg_getc = NULL; @@ -219,7 +219,7 @@ static int udbg_44x_as1_getc(void) void __init udbg_init_44x_as1(void) { udbg_comport = - (volatile struct NS16550 __iomem *)PPC44x_EARLY_DEBUG_VIRTADDR; + (struct NS16550 __iomem *)PPC44x_EARLY_DEBUG_VIRTADDR; udbg_putc = udbg_44x_as1_putc; udbg_getc = udbg_44x_as1_getc; diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 8135da06e0a4..10dda224a361 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -189,7 +189,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address, return SIGSEGV; /* in_atomic() in user mode is really bad, as is current->mm == NULL. */ - printk(KERN_EMERG "Page fault in user mode with" + printk(KERN_EMERG "Page fault in user mode with " "in_atomic() = %d mm = %p\n", in_atomic(), mm); printk(KERN_EMERG "NIP = %lx MSR = %lx\n", regs->nip, regs->msr); diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index f09730bf3a33..cbbd8b0bc8f4 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -96,6 +96,7 @@ int mmu_vmalloc_psize = MMU_PAGE_4K; int mmu_io_psize = MMU_PAGE_4K; int mmu_kernel_ssize = MMU_SEGSIZE_256M; int mmu_highuser_ssize = MMU_SEGSIZE_256M; +u16 mmu_slb_size = 64; #ifdef CONFIG_HUGETLB_PAGE int mmu_huge_psize = MMU_PAGE_16M; unsigned int HPAGE_SHIFT; diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index c12adc3ddffd..1666e7d54cca 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -24,6 +24,8 @@ static int numa_enabled = 1; +static char *cmdline __initdata; + static int numa_debug; #define dbg(args...) if (numa_debug) { printk(KERN_INFO args); } @@ -39,6 +41,43 @@ static bootmem_data_t __initdata plat_node_bdata[MAX_NUMNODES]; static int min_common_depth; static int n_mem_addr_cells, n_mem_size_cells; +static int __cpuinit fake_numa_create_new_node(unsigned long end_pfn, + unsigned int *nid) +{ + unsigned long long mem; + char *p = cmdline; + static unsigned int fake_nid = 0; + static unsigned long long curr_boundary = 0; + + *nid = fake_nid; + if (!p) + return 0; + + mem = memparse(p, &p); + if (!mem) + return 0; + + if (mem < curr_boundary) + return 0; + + curr_boundary = mem; + + if ((end_pfn << PAGE_SHIFT) > mem) { + /* + * Skip commas and spaces + */ + while (*p == ',' || *p == ' ' || *p == '\t') + p++; + + cmdline = p; + fake_nid++; + *nid = fake_nid; + dbg("created new fake_node with id %d\n", fake_nid); + return 1; + } + return 0; +} + static void __cpuinit map_cpu_to_node(int cpu, int node) { numa_cpu_lookup_table[cpu] = node; @@ -344,12 +383,14 @@ static void __init parse_drconf_memory(struct device_node *memory) if (nid == 0xffff || nid >= MAX_NUMNODES) nid = default_nid; } - node_set_online(nid); size = numa_enforce_memory_limit(start, lmb_size); if (!size) continue; + fake_numa_create_new_node(((start + size) >> PAGE_SHIFT), &nid); + node_set_online(nid); + add_active_range(nid, start >> PAGE_SHIFT, (start >> PAGE_SHIFT) + (size >> PAGE_SHIFT)); } @@ -429,7 +470,6 @@ new_range: nid = of_node_to_nid_single(memory); if (nid < 0) nid = default_nid; - node_set_online(nid); if (!(size = numa_enforce_memory_limit(start, size))) { if (--ranges) @@ -438,6 +478,9 @@ new_range: continue; } + fake_numa_create_new_node(((start + size) >> PAGE_SHIFT), &nid); + node_set_online(nid); + add_active_range(nid, start >> PAGE_SHIFT, (start >> PAGE_SHIFT) + (size >> PAGE_SHIFT)); @@ -461,7 +504,7 @@ static void __init setup_nonnuma(void) unsigned long top_of_ram = lmb_end_of_DRAM(); unsigned long total_ram = lmb_phys_mem_size(); unsigned long start_pfn, end_pfn; - unsigned int i; + unsigned int i, nid = 0; printk(KERN_DEBUG "Top of RAM: 0x%lx, Total RAM: 0x%lx\n", top_of_ram, total_ram); @@ -471,9 +514,11 @@ static void __init setup_nonnuma(void) for (i = 0; i < lmb.memory.cnt; ++i) { start_pfn = lmb.memory.region[i].base >> PAGE_SHIFT; end_pfn = start_pfn + lmb_size_pages(&lmb.memory, i); - add_active_range(0, start_pfn, end_pfn); + + fake_numa_create_new_node(end_pfn, &nid); + add_active_range(nid, start_pfn, end_pfn); + node_set_online(nid); } - node_set_online(0); } void __init dump_numa_cpu_topology(void) @@ -702,6 +747,10 @@ static int __init early_numa(char *p) if (strstr(p, "debug")) numa_debug = 1; + p = strstr(p, "fake="); + if (p) + cmdline = p + strlen("fake="); + return 0; } early_param("numa", early_numa); diff --git a/arch/powerpc/mm/slb.c b/arch/powerpc/mm/slb.c index 27922dff8b94..3cf0802cd2b6 100644 --- a/arch/powerpc/mm/slb.c +++ b/arch/powerpc/mm/slb.c @@ -256,6 +256,7 @@ void slb_initialize(void) static int slb_encoding_inited; extern unsigned int *slb_miss_kernel_load_linear; extern unsigned int *slb_miss_kernel_load_io; + extern unsigned int *slb_compare_rr_to_size; /* Prepare our SLB miss handler based on our page size */ linear_llp = mmu_psize_defs[mmu_linear_psize].sllp; @@ -269,6 +270,8 @@ void slb_initialize(void) SLB_VSID_KERNEL | linear_llp); patch_slb_encoding(slb_miss_kernel_load_io, SLB_VSID_KERNEL | io_llp); + patch_slb_encoding(slb_compare_rr_to_size, + mmu_slb_size); DBG("SLB: linear LLP = %04x\n", linear_llp); DBG("SLB: io LLP = %04x\n", io_llp); diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S index 1328a81a84aa..657f6b37e9df 100644 --- a/arch/powerpc/mm/slb_low.S +++ b/arch/powerpc/mm/slb_low.S @@ -227,8 +227,9 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES) 7: ld r10,PACASTABRR(r13) addi r10,r10,1 - /* use a cpu feature mask if we ever change our slb size */ - cmpldi r10,SLB_NUM_ENTRIES + /* This gets soft patched on boot. */ +_GLOBAL(slb_compare_rr_to_size) + cmpldi r10,0 blt+ 4f li r10,SLB_NUM_BOLTED diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c index bb6bff51ce48..13929771bee7 100644 --- a/arch/powerpc/oprofile/op_model_cell.c +++ b/arch/powerpc/oprofile/op_model_cell.c @@ -61,7 +61,7 @@ static unsigned int spu_cycle_reset; #define NUM_THREADS 2 /* number of physical threads in * physical processor */ -#define NUM_TRACE_BUS_WORDS 4 +#define NUM_DEBUG_BUS_WORDS 4 #define NUM_INPUT_BUS_WORDS 2 #define MAX_SPU_COUNT 0xFFFFFF /* maximum 24 bit LFSR value */ @@ -169,7 +169,6 @@ static DEFINE_SPINLOCK(virt_cntr_lock); static u32 ctr_enabled; -static unsigned char trace_bus[NUM_TRACE_BUS_WORDS]; static unsigned char input_bus[NUM_INPUT_BUS_WORDS]; /* @@ -298,7 +297,7 @@ static void set_pm_event(u32 ctr, int event, u32 unit_mask) p->signal_group = event / 100; p->bus_word = bus_word; - p->sub_unit = (unit_mask & 0x0000f000) >> 12; + p->sub_unit = GET_SUB_UNIT(unit_mask); pm_regs.pm07_cntrl[ctr] = 0; pm_regs.pm07_cntrl[ctr] |= PM07_CTR_COUNT_CYCLES(count_cycles); @@ -334,16 +333,16 @@ static void set_pm_event(u32 ctr, int event, u32 unit_mask) p->bit = signal_bit; } - for (i = 0; i < NUM_TRACE_BUS_WORDS; i++) { + for (i = 0; i < NUM_DEBUG_BUS_WORDS; i++) { if (bus_word & (1 << i)) { pm_regs.debug_bus_control |= - (bus_type << (31 - (2 * i) + 1)); + (bus_type << (30 - (2 * i))); for (j = 0; j < NUM_INPUT_BUS_WORDS; j++) { if (input_bus[j] == 0xff) { input_bus[j] = i; pm_regs.group_control |= - (i << (31 - i)); + (i << (30 - (2 * j))); break; } @@ -450,6 +449,12 @@ static void cell_virtual_cntr(unsigned long data) hdw_thread = 1 ^ hdw_thread; next_hdw_thread = hdw_thread; + pm_regs.group_control = 0; + pm_regs.debug_bus_control = 0; + + for (i = 0; i < NUM_INPUT_BUS_WORDS; i++) + input_bus[i] = 0xff; + /* * There are some per thread events. Must do the * set event, for the thread that is being started @@ -619,9 +624,6 @@ static int cell_reg_setup(struct op_counter_config *ctr, pmc_cntrl[1][i].vcntr = i; } - for (i = 0; i < NUM_TRACE_BUS_WORDS; i++) - trace_bus[i] = 0xff; - for (i = 0; i < NUM_INPUT_BUS_WORDS; i++) input_bus[i] = 0xff; diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pci.c b/arch/powerpc/platforms/52xx/mpc52xx_pci.c index 4c6c82a684b1..262eda8659d0 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pci.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pci.c @@ -363,7 +363,7 @@ mpc52xx_add_bridge(struct device_node *node) pr_debug("Adding MPC52xx PCI host bridge %s\n", node->full_name); - pci_assign_all_buses = 1; + ppc_pci_flags |= PPC_PCI_REASSIGN_ALL_BUS; if (of_address_to_resource(node, 0, &rsrc) != 0) { printk(KERN_ERR "Can't get %s resources\n", node->full_name); diff --git a/arch/powerpc/platforms/82xx/pq2.c b/arch/powerpc/platforms/82xx/pq2.c index a497cbaa1ac5..1b75902fad64 100644 --- a/arch/powerpc/platforms/82xx/pq2.c +++ b/arch/powerpc/platforms/82xx/pq2.c @@ -53,13 +53,13 @@ static void __init pq2_pci_add_bridge(struct device_node *np) if (of_address_to_resource(np, 0, &r) || r.end - r.start < 0x10b) goto err; - pci_assign_all_buses = 1; + ppc_pci_flags |= PPC_PCI_REASSIGN_ALL_BUS; hose = pcibios_alloc_controller(np); if (!hose) return; - hose->arch_data = np; + hose->dn = np; setup_indirect_pci(hose, r.start + 0x100, r.start + 0x104, 0); pci_process_bridge_OF_ranges(hose, np, 1); diff --git a/arch/powerpc/platforms/82xx/pq2fads.c b/arch/powerpc/platforms/82xx/pq2fads.c index 4f457a9c79ae..1be500501806 100644 --- a/arch/powerpc/platforms/82xx/pq2fads.c +++ b/arch/powerpc/platforms/82xx/pq2fads.c @@ -15,12 +15,12 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/fsl_devices.h> +#include <linux/of_platform.h> #include <asm/io.h> #include <asm/cpm2.h> #include <asm/udbg.h> #include <asm/machdep.h> -#include <asm/of_platform.h> #include <asm/time.h> #include <sysdev/fsl_soc.h> diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig index ec305f18abd8..2430ac840493 100644 --- a/arch/powerpc/platforms/83xx/Kconfig +++ b/arch/powerpc/platforms/83xx/Kconfig @@ -50,6 +50,11 @@ config MPC836x_MDS help This option enables support for the MPC836x MDS Processor Board. +config MPC837x_MDS + bool "Freescale MPC837x MDS" + select DEFAULT_UIMAGE + help + This option enables support for the MPC837x MDS Processor Board. endchoice config PPC_MPC831x @@ -75,3 +80,9 @@ config PPC_MPC836x select PPC_UDBG_16550 select PPC_INDIRECT_PCI default y if MPC836x_MDS + +config PPC_MPC837x + bool + select PPC_UDBG_16550 + select PPC_INDIRECT_PCI + default y if MPC837x_MDS diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile index 5a98f885779f..df4662999a95 100644 --- a/arch/powerpc/platforms/83xx/Makefile +++ b/arch/powerpc/platforms/83xx/Makefile @@ -9,3 +9,4 @@ obj-$(CONFIG_MPC834x_MDS) += mpc834x_mds.o obj-$(CONFIG_MPC834x_ITX) += mpc834x_itx.o obj-$(CONFIG_MPC836x_MDS) += mpc836x_mds.o obj-$(CONFIG_MPC832x_MDS) += mpc832x_mds.o +obj-$(CONFIG_MPC837x_MDS) += mpc837x_mds.o diff --git a/arch/powerpc/platforms/83xx/mpc8313_rdb.c b/arch/powerpc/platforms/83xx/mpc8313_rdb.c index 33766b8f2594..6fb82993967c 100644 --- a/arch/powerpc/platforms/83xx/mpc8313_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc8313_rdb.c @@ -70,9 +70,9 @@ void __init mpc8313_rdb_init_IRQ(void) */ static int __init mpc8313_rdb_probe(void) { - unsigned long root = of_get_flat_dt_root(); + unsigned long root = of_get_flat_dt_root(); - return of_flat_dt_is_compatible(root, "MPC8313ERDB"); + return of_flat_dt_is_compatible(root, "MPC8313ERDB"); } define_machine(mpc8313_rdb) { diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c index 39ee7a13b25a..1e570bb947fc 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c @@ -23,9 +23,9 @@ #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/initrd.h> +#include <linux/of_platform.h> +#include <linux/of_device.h> -#include <asm/of_device.h> -#include <asm/of_platform.h> #include <asm/system.h> #include <asm/atomic.h> #include <asm/time.h> diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c index d4bd04001b99..ffb2e9361ce3 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c @@ -19,8 +19,8 @@ #include <linux/spi/spi.h> #include <linux/spi/mmc_spi.h> #include <linux/mmc/host.h> +#include <linux/of_platform.h> -#include <asm/of_platform.h> #include <asm/time.h> #include <asm/ipic.h> #include <asm/udbg.h> diff --git a/arch/powerpc/platforms/83xx/mpc834x_mds.c b/arch/powerpc/platforms/83xx/mpc834x_mds.c index a81bb3ce6b94..459fb7227e76 100644 --- a/arch/powerpc/platforms/83xx/mpc834x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc834x_mds.c @@ -23,6 +23,7 @@ #include <linux/delay.h> #include <linux/seq_file.h> #include <linux/root_dev.h> +#include <linux/of_platform.h> #include <asm/system.h> #include <asm/atomic.h> @@ -106,14 +107,30 @@ static void __init mpc834x_mds_init_IRQ(void) ipic_set_default_priority(); } +static struct of_device_id mpc834x_ids[] = { + { .type = "soc", }, + { .compatible = "soc", }, + {}, +}; + +static int __init mpc834x_declare_of_platform_devices(void) +{ + if (!machine_is(mpc834x_mds)) + return 0; + + of_platform_bus_probe(NULL, mpc834x_ids, NULL); + return 0; +} +device_initcall(mpc834x_declare_of_platform_devices); + /* * Called very early, MMU is off, device-tree isn't unflattened */ static int __init mpc834x_mds_probe(void) { - unsigned long root = of_get_flat_dt_root(); + unsigned long root = of_get_flat_dt_root(); - return of_flat_dt_is_compatible(root, "MPC834xMDS"); + return of_flat_dt_is_compatible(root, "MPC834xMDS"); } define_machine(mpc834x_mds) { diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c index e40012f8f488..2ac9890b763c 100644 --- a/arch/powerpc/platforms/83xx/mpc836x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c @@ -29,9 +29,9 @@ #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/initrd.h> +#include <linux/of_platform.h> +#include <linux/of_device.h> -#include <asm/of_device.h> -#include <asm/of_platform.h> #include <asm/system.h> #include <asm/atomic.h> #include <asm/time.h> diff --git a/arch/powerpc/platforms/83xx/mpc837x_mds.c b/arch/powerpc/platforms/83xx/mpc837x_mds.c new file mode 100644 index 000000000000..166c1116b1ac --- /dev/null +++ b/arch/powerpc/platforms/83xx/mpc837x_mds.c @@ -0,0 +1,104 @@ +/* + * arch/powerpc/platforms/83xx/mpc837x_mds.c + * + * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved. + * + * MPC837x MDS board specific routines + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/pci.h> +#include <linux/of.h> +#include <linux/of_platform.h> + +#include <asm/time.h> +#include <asm/ipic.h> +#include <asm/udbg.h> +#include <asm/prom.h> + +#include "mpc83xx.h" + +#ifndef CONFIG_PCI +unsigned long isa_io_base = 0; +unsigned long isa_mem_base = 0; +#endif + +/* ************************************************************************ + * + * Setup the architecture + * + */ +static void __init mpc837x_mds_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; +#endif + + if (ppc_md.progress) + ppc_md.progress("mpc837x_mds_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_compatible_node(np, "pci", "fsl,mpc8349-pci") + mpc83xx_add_bridge(np); +#endif +} + +static struct of_device_id mpc837x_ids[] = { + { .type = "soc", }, + { .compatible = "soc", }, + {}, +}; + +static int __init mpc837x_declare_of_platform_devices(void) +{ + if (!machine_is(mpc837x_mds)) + return 0; + + /* Publish of_device */ + of_platform_bus_probe(NULL, mpc837x_ids, NULL); + + return 0; +} +device_initcall(mpc837x_declare_of_platform_devices); + +static void __init mpc837x_mds_init_IRQ(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,ipic"); + if (!np) + return; + + ipic_init(np, 0); + + /* Initialize the default interrupt mapping priorities, + * in case the boot rom changed something on us. + */ + ipic_set_default_priority(); +} + +/* + * Called very early, MMU is off, device-tree isn't unflattened + */ +static int __init mpc837x_mds_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "fsl,mpc837xmds"); +} + +define_machine(mpc837x_mds) { + .name = "MPC837x MDS", + .probe = mpc837x_mds_probe, + .setup_arch = mpc837x_mds_setup_arch, + .init_IRQ = mpc837x_mds_init_IRQ, + .get_irq = ipic_get_irq, + .restart = mpc83xx_restart, + .time_init = mpc83xx_time_init, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +}; diff --git a/arch/powerpc/platforms/83xx/pci.c b/arch/powerpc/platforms/83xx/pci.c index 80425d7b14f8..14f1080c6c9d 100644 --- a/arch/powerpc/platforms/83xx/pci.c +++ b/arch/powerpc/platforms/83xx/pci.c @@ -54,7 +54,7 @@ int __init mpc83xx_add_bridge(struct device_node *dev) " bus 0\n", dev->full_name); } - pci_assign_all_buses = 1; + ppc_pci_flags |= PPC_PCI_REASSIGN_ALL_BUS; hose = pcibios_alloc_controller(dev); if (!hose) return -ENOMEM; diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c index 59c121a97ac7..bdb3d0b38cd2 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c @@ -123,7 +123,7 @@ static int mpc85xx_exclude_device(struct pci_controller *hose, struct device_node* node; struct resource rsrc; - node = (struct device_node *)hose->arch_data; + node = hose->dn; of_address_to_resource(node, 0, &rsrc); if ((rsrc.start & 0xfffff) == primary_phb_addr) { diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index 61b3eedf41b9..e6c63a5b1efb 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -30,9 +30,9 @@ #include <linux/initrd.h> #include <linux/module.h> #include <linux/fsl_devices.h> +#include <linux/of_platform.h> +#include <linux/of_device.h> -#include <asm/of_device.h> -#include <asm/of_platform.h> #include <asm/system.h> #include <asm/atomic.h> #include <asm/time.h> diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c index 6390895e5e92..c6d2f48f8f3d 100644 --- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c +++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c @@ -124,7 +124,7 @@ static void __devinit quirk_uli5229(struct pci_dev *dev) static void __devinit final_uli5288(struct pci_dev *dev) { struct pci_controller *hose = pci_bus_to_host(dev->bus); - struct device_node *hosenode = hose ? hose->arch_data : NULL; + struct device_node *hosenode = hose ? hose->dn : NULL; struct of_irq oirq; int virq, pin = 2; u32 laddr[3]; diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c index 32a531aebcb7..14f4e527e7ac 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -116,7 +116,7 @@ static int mpc86xx_exclude_device(struct pci_controller *hose, struct device_node* node; struct resource rsrc; - node = (struct device_node *)hose->arch_data; + node = hose->dn; of_address_to_resource(node, 0, &rsrc); if ((rsrc.start & 0xfffff) == 0x8000) { diff --git a/arch/powerpc/platforms/8xx/Kconfig b/arch/powerpc/platforms/8xx/Kconfig index bd28655043a0..91fbe4241918 100644 --- a/arch/powerpc/platforms/8xx/Kconfig +++ b/arch/powerpc/platforms/8xx/Kconfig @@ -18,6 +18,7 @@ config MPC8XXFADS config MPC86XADS bool "MPC86XADS" select CPM1 + select PPC_CPM_NEW_BINDING help MPC86x Application Development System by Freescale Semiconductor. The MPC86xADS is meant to serve as a platform for s/w and h/w diff --git a/arch/powerpc/platforms/8xx/m8xx_setup.c b/arch/powerpc/platforms/8xx/m8xx_setup.c index d35eda80e9e6..ba645c2b63f6 100644 --- a/arch/powerpc/platforms/8xx/m8xx_setup.c +++ b/arch/powerpc/platforms/8xx/m8xx_setup.c @@ -120,7 +120,7 @@ void __init mpc8xx_calibrate_decr(void) ppc_tb_freq /= 16; ppc_proc_freq = 50000000; if (!get_freq("clock-frequency", &ppc_proc_freq)) - printk(KERN_ERR "WARNING: Estimating processor frequency" + printk(KERN_ERR "WARNING: Estimating processor frequency " "(not found)\n"); printk("Decrementer Frequency = 0x%lx\n", ppc_tb_freq); diff --git a/arch/powerpc/platforms/8xx/mpc86xads.h b/arch/powerpc/platforms/8xx/mpc86xads.h index cffa194ccf1f..17b1fe75e0b2 100644 --- a/arch/powerpc/platforms/8xx/mpc86xads.h +++ b/arch/powerpc/platforms/8xx/mpc86xads.h @@ -15,27 +15,6 @@ #ifndef __ASM_MPC86XADS_H__ #define __ASM_MPC86XADS_H__ -#include <sysdev/fsl_soc.h> - -/* U-Boot maps BCSR to 0xff080000 */ -#define BCSR_ADDR ((uint)0xff080000) -#define BCSR_SIZE ((uint)32) -#define BCSR0 ((uint)(BCSR_ADDR + 0x00)) -#define BCSR1 ((uint)(BCSR_ADDR + 0x04)) -#define BCSR2 ((uint)(BCSR_ADDR + 0x08)) -#define BCSR3 ((uint)(BCSR_ADDR + 0x0c)) -#define BCSR4 ((uint)(BCSR_ADDR + 0x10)) - -#define CFG_PHYDEV_ADDR ((uint)0xff0a0000) -#define BCSR5 ((uint)(CFG_PHYDEV_ADDR + 0x300)) - -#define MPC8xx_CPM_OFFSET (0x9c0) -#define CPM_MAP_ADDR (get_immrbase() + MPC8xx_CPM_OFFSET) -#define CPM_IRQ_OFFSET 16 // for compability with cpm_uart driver - -#define PCMCIA_MEM_ADDR ((uint)0xff020000) -#define PCMCIA_MEM_SIZE ((uint)(64 * 1024)) - /* Bits of interest in the BCSRs. */ #define BCSR1_ETHEN ((uint)0x20000000) @@ -64,28 +43,5 @@ #define BCSR5_MII1_EN 0x02 #define BCSR5_MII1_RST 0x01 -/* Interrupt level assignments */ -#define PHY_INTERRUPT SIU_IRQ7 /* PHY link change interrupt */ -#define SIU_INT_FEC1 SIU_LEVEL1 /* FEC1 interrupt */ -#define FEC_INTERRUPT SIU_INT_FEC1 /* FEC interrupt */ - -/* We don't use the 8259 */ -#define NR_8259_INTS 0 - -/* CPM Ethernet through SCC1 */ -#define PA_ENET_RXD ((ushort)0x0001) -#define PA_ENET_TXD ((ushort)0x0002) -#define PA_ENET_TCLK ((ushort)0x0100) -#define PA_ENET_RCLK ((ushort)0x0200) -#define PB_ENET_TENA ((uint)0x00001000) -#define PC_ENET_CLSN ((ushort)0x0010) -#define PC_ENET_RENA ((ushort)0x0020) - -/* Control bits in the SICR to route TCLK (CLK1) and RCLK (CLK2) to - * SCC1. Also, make sure GR1 (bit 24) and SC1 (bit 25) are zero. - */ -#define SICR_ENET_MASK ((uint)0x000000ff) -#define SICR_ENET_CLKRT ((uint)0x0000002c) - #endif /* __ASM_MPC86XADS_H__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/platforms/8xx/mpc86xads_setup.c b/arch/powerpc/platforms/8xx/mpc86xads_setup.c index 49012835f453..d2927a434aef 100644 --- a/arch/powerpc/platforms/8xx/mpc86xads_setup.c +++ b/arch/powerpc/platforms/8xx/mpc86xads_setup.c @@ -6,264 +6,134 @@ * * Copyright 2005 MontaVista Software Inc. * + * Heavily modified by Scott Wood <scottwood@freescale.com> + * Copyright 2007 Freescale Semiconductor, Inc. + * * This file is licensed under the terms of the GNU General Public License * version 2. This program is licensed "as is" without any warranty of any * kind, whether express or implied. */ #include <linux/init.h> -#include <linux/module.h> -#include <linux/param.h> -#include <linux/string.h> -#include <linux/ioport.h> -#include <linux/device.h> -#include <linux/delay.h> -#include <linux/root_dev.h> - -#include <linux/fs_enet_pd.h> -#include <linux/fs_uart_pd.h> -#include <linux/mii.h> +#include <linux/of_platform.h> -#include <asm/delay.h> #include <asm/io.h> #include <asm/machdep.h> -#include <asm/page.h> -#include <asm/processor.h> #include <asm/system.h> #include <asm/time.h> #include <asm/mpc8xx.h> #include <asm/8xx_immap.h> #include <asm/commproc.h> #include <asm/fs_pd.h> -#include <asm/prom.h> +#include <asm/udbg.h> #include <sysdev/commproc.h> -static void init_smc1_uart_ioports(struct fs_uart_platform_info* fpi); -static void init_smc2_uart_ioports(struct fs_uart_platform_info* fpi); -static void init_scc1_ioports(struct fs_platform_info* ptr); - -void __init mpc86xads_board_setup(void) -{ - cpm8xx_t *cp; - unsigned int *bcsr_io; - u8 tmpval8; - - bcsr_io = ioremap(BCSR1, sizeof(unsigned long)); - cp = (cpm8xx_t *)immr_map(im_cpm); - - if (bcsr_io == NULL) { - printk(KERN_CRIT "Could not remap BCSR\n"); - return; - } -#ifdef CONFIG_SERIAL_CPM_SMC1 - clrbits32(bcsr_io, BCSR1_RS232EN_1); - clrbits32(&cp->cp_simode, 0xe0000000 >> 17); /* brg1 */ - tmpval8 = in_8(&(cp->cp_smc[0].smc_smcm)) | (SMCM_RX | SMCM_TX); - out_8(&(cp->cp_smc[0].smc_smcm), tmpval8); - clrbits16(&cp->cp_smc[0].smc_smcmr, SMCMR_REN | SMCMR_TEN); -#else - setbits32(bcsr_io,BCSR1_RS232EN_1); - out_be16(&cp->cp_smc[0].smc_smcmr, 0); - out_8(&cp->cp_smc[0].smc_smce, 0); -#endif - -#ifdef CONFIG_SERIAL_CPM_SMC2 - clrbits32(bcsr_io,BCSR1_RS232EN_2); - clrbits32(&cp->cp_simode, 0xe0000000 >> 1); - setbits32(&cp->cp_simode, 0x20000000 >> 1); /* brg2 */ - tmpval8 = in_8(&(cp->cp_smc[1].smc_smcm)) | (SMCM_RX | SMCM_TX); - out_8(&(cp->cp_smc[1].smc_smcm), tmpval8); - clrbits16(&cp->cp_smc[1].smc_smcmr, SMCMR_REN | SMCMR_TEN); +#include "mpc86xads.h" - init_smc2_uart_ioports(0); -#else - setbits32(bcsr_io,BCSR1_RS232EN_2); - out_be16(&cp->cp_smc[1].smc_smcmr, 0); - out_8(&cp->cp_smc[1].smc_smce, 0); -#endif - immr_unmap(cp); - iounmap(bcsr_io); -} +struct cpm_pin { + int port, pin, flags; +}; +static struct cpm_pin mpc866ads_pins[] = { + /* SMC1 */ + {CPM_PORTB, 24, CPM_PIN_INPUT}, /* RX */ + {CPM_PORTB, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */ + + /* SMC2 */ + {CPM_PORTB, 21, CPM_PIN_INPUT}, /* RX */ + {CPM_PORTB, 20, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */ + + /* SCC1 */ + {CPM_PORTA, 6, CPM_PIN_INPUT}, /* CLK1 */ + {CPM_PORTA, 7, CPM_PIN_INPUT}, /* CLK2 */ + {CPM_PORTA, 14, CPM_PIN_INPUT}, /* TX */ + {CPM_PORTA, 15, CPM_PIN_INPUT}, /* RX */ + {CPM_PORTB, 19, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TENA */ + {CPM_PORTC, 10, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, /* RENA */ + {CPM_PORTC, 11, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, /* CLSN */ + + /* MII */ + {CPM_PORTD, 3, CPM_PIN_OUTPUT}, + {CPM_PORTD, 4, CPM_PIN_OUTPUT}, + {CPM_PORTD, 5, CPM_PIN_OUTPUT}, + {CPM_PORTD, 6, CPM_PIN_OUTPUT}, + {CPM_PORTD, 7, CPM_PIN_OUTPUT}, + {CPM_PORTD, 8, CPM_PIN_OUTPUT}, + {CPM_PORTD, 9, CPM_PIN_OUTPUT}, + {CPM_PORTD, 10, CPM_PIN_OUTPUT}, + {CPM_PORTD, 11, CPM_PIN_OUTPUT}, + {CPM_PORTD, 12, CPM_PIN_OUTPUT}, + {CPM_PORTD, 13, CPM_PIN_OUTPUT}, + {CPM_PORTD, 14, CPM_PIN_OUTPUT}, + {CPM_PORTD, 15, CPM_PIN_OUTPUT}, +}; -static void init_fec1_ioports(struct fs_platform_info* ptr) +static void __init init_ioports(void) { - iop8xx_t *io_port = (iop8xx_t *)immr_map(im_ioport); + int i; - /* configure FEC1 pins */ + for (i = 0; i < ARRAY_SIZE(mpc866ads_pins); i++) { + struct cpm_pin *pin = &mpc866ads_pins[i]; + cpm1_set_pin(pin->port, pin->pin, pin->flags); + } - setbits16(&io_port->iop_pdpar, 0x1fff); - setbits16(&io_port->iop_pddir, 0x1fff); + cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX); + cpm1_clk_setup(CPM_CLK_SMC2, CPM_BRG2, CPM_CLK_RTX); + cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK1, CPM_CLK_TX); + cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK2, CPM_CLK_RX); - immr_unmap(io_port); + /* Set FEC1 and FEC2 to MII mode */ + clrbits32(&mpc8xx_immr->im_cpm.cp_cptr, 0x00000180); } -void init_fec_ioports(struct fs_platform_info *fpi) +static void __init mpc86xads_setup_arch(void) { - int fec_no = fs_get_fec_index(fpi->fs_no); + struct device_node *np; + u32 __iomem *bcsr_io; + + cpm_reset(); + init_ioports(); - switch (fec_no) { - case 0: - init_fec1_ioports(fpi); - break; - default: - printk(KERN_ERR "init_fec_ioports: invalid FEC number\n"); + np = of_find_compatible_node(NULL, NULL, "fsl,mpc866ads-bcsr"); + if (!np) { + printk(KERN_CRIT "Could not find fsl,mpc866ads-bcsr node\n"); return; } -} -static void init_scc1_ioports(struct fs_platform_info* fpi) -{ - unsigned *bcsr_io; - iop8xx_t *io_port; - cpm8xx_t *cp; - - bcsr_io = ioremap(BCSR_ADDR, BCSR_SIZE); - io_port = (iop8xx_t *)immr_map(im_ioport); - cp = (cpm8xx_t *)immr_map(im_cpm); + bcsr_io = of_iomap(np, 0); + of_node_put(np); if (bcsr_io == NULL) { printk(KERN_CRIT "Could not remap BCSR\n"); return; } - /* Configure port A pins for Txd and Rxd. - */ - setbits16(&io_port->iop_papar, PA_ENET_RXD | PA_ENET_TXD); - clrbits16(&io_port->iop_padir, PA_ENET_RXD | PA_ENET_TXD); - clrbits16(&io_port->iop_paodr, PA_ENET_TXD); - - /* Configure port C pins to enable CLSN and RENA. - */ - clrbits16(&io_port->iop_pcpar, PC_ENET_CLSN | PC_ENET_RENA); - clrbits16(&io_port->iop_pcdir, PC_ENET_CLSN | PC_ENET_RENA); - setbits16(&io_port->iop_pcso, PC_ENET_CLSN | PC_ENET_RENA); - - /* Configure port A for TCLK and RCLK. - */ - setbits16(&io_port->iop_papar, PA_ENET_TCLK | PA_ENET_RCLK); - clrbits16(&io_port->iop_padir, PA_ENET_TCLK | PA_ENET_RCLK); - clrbits32(&cp->cp_pbpar, PB_ENET_TENA); - clrbits32(&cp->cp_pbdir, PB_ENET_TENA); - - /* Configure Serial Interface clock routing. - * First, clear all SCC bits to zero, then set the ones we want. - */ - clrbits32(&cp->cp_sicr, SICR_ENET_MASK); - setbits32(&cp->cp_sicr, SICR_ENET_CLKRT); - - /* In the original SCC enet driver the following code is placed at - the end of the initialization */ - setbits32(&cp->cp_pbpar, PB_ENET_TENA); - setbits32(&cp->cp_pbdir, PB_ENET_TENA); - - clrbits32(bcsr_io+1, BCSR1_ETHEN); + clrbits32(bcsr_io, BCSR1_RS232EN_1 | BCSR1_RS232EN_2 | BCSR1_ETHEN); iounmap(bcsr_io); - immr_unmap(cp); - immr_unmap(io_port); -} - -void init_scc_ioports(struct fs_platform_info *fpi) -{ - int scc_no = fs_get_scc_index(fpi->fs_no); - - switch (scc_no) { - case 0: - init_scc1_ioports(fpi); - break; - default: - printk(KERN_ERR "init_scc_ioports: invalid SCC number\n"); - return; - } } - - -static void init_smc1_uart_ioports(struct fs_uart_platform_info* ptr) +static int __init mpc86xads_probe(void) { - unsigned *bcsr_io; - cpm8xx_t *cp = (cpm8xx_t *)immr_map(im_cpm); - - setbits32(&cp->cp_pbpar, 0x000000c0); - clrbits32(&cp->cp_pbdir, 0x000000c0); - clrbits16(&cp->cp_pbodr, 0x00c0); - immr_unmap(cp); - - bcsr_io = ioremap(BCSR1, sizeof(unsigned long)); - - if (bcsr_io == NULL) { - printk(KERN_CRIT "Could not remap BCSR1\n"); - return; - } - clrbits32(bcsr_io,BCSR1_RS232EN_1); - iounmap(bcsr_io); + unsigned long root = of_get_flat_dt_root(); + return of_flat_dt_is_compatible(root, "fsl,mpc866ads"); } -static void init_smc2_uart_ioports(struct fs_uart_platform_info* fpi) -{ - unsigned *bcsr_io; - cpm8xx_t *cp = (cpm8xx_t *)immr_map(im_cpm); - - setbits32(&cp->cp_pbpar, 0x00000c00); - clrbits32(&cp->cp_pbdir, 0x00000c00); - clrbits16(&cp->cp_pbodr, 0x0c00); - immr_unmap(cp); - - bcsr_io = ioremap(BCSR1, sizeof(unsigned long)); - - if (bcsr_io == NULL) { - printk(KERN_CRIT "Could not remap BCSR1\n"); - return; - } - clrbits32(bcsr_io,BCSR1_RS232EN_2); - iounmap(bcsr_io); -} +static struct of_device_id __initdata of_bus_ids[] = { + { .name = "soc", }, + { .name = "cpm", }, + { .name = "localbus", }, + {}, +}; -void init_smc_ioports(struct fs_uart_platform_info *data) +static int __init declare_of_platform_devices(void) { - int smc_no = fs_uart_id_fsid2smc(data->fs_no); + if (machine_is(mpc86x_ads)) + of_platform_bus_probe(NULL, of_bus_ids, NULL); - switch (smc_no) { - case 0: - init_smc1_uart_ioports(data); - data->brg = data->clk_rx; - break; - case 1: - init_smc2_uart_ioports(data); - data->brg = data->clk_rx; - break; - default: - printk(KERN_ERR "init_scc_ioports: invalid SCC number\n"); - return; - } -} - -int platform_device_skip(const char *model, int id) -{ return 0; } - -static void __init mpc86xads_setup_arch(void) -{ - cpm_reset(); - - mpc86xads_board_setup(); - - ROOT_DEV = Root_NFS; -} - -static int __init mpc86xads_probe(void) -{ - char *model = of_get_flat_dt_prop(of_get_flat_dt_root(), - "model", NULL); - if (model == NULL) - return 0; - if (strcmp(model, "MPC866ADS")) - return 0; - - return 1; -} +device_initcall(declare_of_platform_devices); define_machine(mpc86x_ads) { .name = "MPC86x ADS", @@ -275,4 +145,5 @@ define_machine(mpc86x_ads) { .calibrate_decr = mpc8xx_calibrate_decr, .set_rtc_time = mpc8xx_set_rtc_time, .get_rtc_time = mpc8xx_get_rtc_time, + .progress = udbg_progress, }; diff --git a/arch/powerpc/platforms/cell/Makefile b/arch/powerpc/platforms/cell/Makefile index 61d12f183036..3cd565a04d0a 100644 --- a/arch/powerpc/platforms/cell/Makefile +++ b/arch/powerpc/platforms/cell/Makefile @@ -19,7 +19,7 @@ spu-manage-$(CONFIG_PPC_CELLEB) += spu_manage.o spu-manage-$(CONFIG_PPC_CELL_NATIVE) += spu_manage.o obj-$(CONFIG_SPU_BASE) += spu_callbacks.o spu_base.o \ - spu_syscalls.o \ + spu_syscalls.o spu_fault.o \ $(spu-priv1-y) \ $(spu-manage-y) \ spufs/ diff --git a/arch/powerpc/platforms/cell/cbe_cpufreq.c b/arch/powerpc/platforms/cell/cbe_cpufreq.c index 13d5a87f13b1..ec7c8f45a215 100644 --- a/arch/powerpc/platforms/cell/cbe_cpufreq.c +++ b/arch/powerpc/platforms/cell/cbe_cpufreq.c @@ -21,8 +21,9 @@ */ #include <linux/cpufreq.h> +#include <linux/of_platform.h> + #include <asm/machdep.h> -#include <asm/of_platform.h> #include <asm/prom.h> #include <asm/cell-regs.h> #include "cbe_cpufreq.h" diff --git a/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c b/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c index 6a2c1b0a9a94..69288f653144 100644 --- a/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c +++ b/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c @@ -23,7 +23,8 @@ #include <linux/kernel.h> #include <linux/types.h> #include <linux/timer.h> -#include <asm/of_platform.h> +#include <linux/of_platform.h> + #include <asm/processor.h> #include <asm/prom.h> #include <asm/pmi.h> diff --git a/arch/powerpc/platforms/cell/cbe_regs.c b/arch/powerpc/platforms/cell/cbe_regs.c index 16a9b07e7b0c..dbc338f187a2 100644 --- a/arch/powerpc/platforms/cell/cbe_regs.c +++ b/arch/powerpc/platforms/cell/cbe_regs.c @@ -9,13 +9,13 @@ #include <linux/percpu.h> #include <linux/types.h> #include <linux/module.h> +#include <linux/of_device.h> +#include <linux/of_platform.h> #include <asm/io.h> #include <asm/pgtable.h> #include <asm/prom.h> #include <asm/ptrace.h> -#include <asm/of_device.h> -#include <asm/of_platform.h> #include <asm/cell-regs.h> /* @@ -256,6 +256,7 @@ void __init cbe_regs_init(void) printk(KERN_ERR "cbe_regs: More BE chips than supported" "!\n"); cbe_regs_map_count--; + of_node_put(cpu); return; } map->cpu_node = cpu; diff --git a/arch/powerpc/platforms/cell/io-workarounds.c b/arch/powerpc/platforms/cell/io-workarounds.c index 9d7c2ef940a8..b86076e3c09e 100644 --- a/arch/powerpc/platforms/cell/io-workarounds.c +++ b/arch/powerpc/platforms/cell/io-workarounds.c @@ -238,7 +238,7 @@ static void __init spider_pci_setup_chip(struct spider_pci_bus *bus) static void __init spider_pci_add_one(struct pci_controller *phb) { struct spider_pci_bus *bus = &spider_pci_busses[spider_pci_count]; - struct device_node *np = phb->arch_data; + struct device_node *np = phb->dn; struct resource rsrc; void __iomem *regs; @@ -317,7 +317,7 @@ static int __init spider_pci_workaround_init(void) * update this code to cope with dynamically added busses */ list_for_each_entry(phb, &hose_list, list_node) { - struct device_node *np = phb->arch_data; + struct device_node *np = phb->dn; const char *model = of_get_property(np, "model", NULL); /* If no model property or name isn't exactly "pci", skip */ diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index faabc3fdc130..1221c6d8650f 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -26,14 +26,15 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/notifier.h> +#include <linux/of_platform.h> #include <asm/prom.h> #include <asm/iommu.h> #include <asm/machdep.h> #include <asm/pci-bridge.h> #include <asm/udbg.h> -#include <asm/of_platform.h> #include <asm/lmb.h> +#include <asm/firmware.h> #include <asm/cell-regs.h> #include "interrupt.h" @@ -699,7 +700,8 @@ static int __init cell_iommu_init(void) { struct device_node *np; - if (!machine_is(cell)) + if (!machine_is(cell) && + !machine_is(celleb_native)) return -ENODEV; /* If IOMMU is disabled or we have little enough RAM to not need diff --git a/arch/powerpc/platforms/cell/pmu.c b/arch/powerpc/platforms/cell/pmu.c index 1ed303678887..99d688e88cbe 100644 --- a/arch/powerpc/platforms/cell/pmu.c +++ b/arch/powerpc/platforms/cell/pmu.c @@ -213,7 +213,7 @@ u32 cbe_read_pm(u32 cpu, enum pm_reg_name reg) break; case pm_interval: - READ_SHADOW_REG(val, pm_interval); + READ_MMIO_UPPER32(val, pm_interval); break; case pm_start_stop: diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c index 98e7ef8e6fc6..4f6347c9fe68 100644 --- a/arch/powerpc/platforms/cell/setup.c +++ b/arch/powerpc/platforms/cell/setup.c @@ -30,6 +30,7 @@ #include <linux/console.h> #include <linux/mutex.h> #include <linux/memory_hotplug.h> +#include <linux/of_platform.h> #include <asm/mmu.h> #include <asm/processor.h> @@ -51,7 +52,6 @@ #include <asm/spu_priv1.h> #include <asm/udbg.h> #include <asm/mpic.h> -#include <asm/of_platform.h> #include <asm/cell-regs.h> #include "interrupt.h" diff --git a/arch/powerpc/platforms/cell/smp.c b/arch/powerpc/platforms/cell/smp.c index e4438456c867..efb3964457b1 100644 --- a/arch/powerpc/platforms/cell/smp.c +++ b/arch/powerpc/platforms/cell/smp.c @@ -42,6 +42,7 @@ #include <asm/firmware.h> #include <asm/system.h> #include <asm/rtas.h> +#include <asm/cputhreads.h> #include "interrupt.h" #include <asm/udbg.h> @@ -182,7 +183,7 @@ static int smp_cell_cpu_bootable(unsigned int nr) */ if (system_state < SYSTEM_RUNNING && cpu_has_feature(CPU_FTR_SMT) && - !smt_enabled_at_boot && nr % 2 != 0) + !smt_enabled_at_boot && cpu_thread_in_core(nr) != 0) return 0; return 1; diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index c83c3e3f5178..fb266ae32095 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -34,6 +34,7 @@ #include <linux/linux_logo.h> #include <asm/spu.h> #include <asm/spu_priv1.h> +#include <asm/spu_csa.h> #include <asm/xmon.h> #include <asm/prom.h> @@ -47,6 +48,13 @@ struct cbe_spu_info cbe_spu_info[MAX_NUMNODES]; EXPORT_SYMBOL_GPL(cbe_spu_info); /* + * The spufs fault-handling code needs to call force_sig_info to raise signals + * on DMA errors. Export it here to avoid general kernel-wide access to this + * function + */ +EXPORT_SYMBOL_GPL(force_sig_info); + +/* * Protects cbe_spu_info and spu->number. */ static DEFINE_SPINLOCK(spu_lock); @@ -66,6 +74,10 @@ static LIST_HEAD(spu_full_list); static DEFINE_SPINLOCK(spu_full_list_lock); static DEFINE_MUTEX(spu_full_list_mutex); +struct spu_slb { + u64 esid, vsid; +}; + void spu_invalidate_slbs(struct spu *spu) { struct spu_priv2 __iomem *priv2 = spu->priv2; @@ -114,40 +126,36 @@ void spu_associate_mm(struct spu *spu, struct mm_struct *mm) } EXPORT_SYMBOL_GPL(spu_associate_mm); -static int __spu_trap_invalid_dma(struct spu *spu) +int spu_64k_pages_available(void) { - pr_debug("%s\n", __FUNCTION__); - spu->dma_callback(spu, SPE_EVENT_INVALID_DMA); - return 0; + return mmu_psize_defs[MMU_PAGE_64K].shift != 0; } +EXPORT_SYMBOL_GPL(spu_64k_pages_available); -static int __spu_trap_dma_align(struct spu *spu) +static void spu_restart_dma(struct spu *spu) { - pr_debug("%s\n", __FUNCTION__); - spu->dma_callback(spu, SPE_EVENT_DMA_ALIGNMENT); - return 0; -} + struct spu_priv2 __iomem *priv2 = spu->priv2; -static int __spu_trap_error(struct spu *spu) -{ - pr_debug("%s\n", __FUNCTION__); - spu->dma_callback(spu, SPE_EVENT_SPE_ERROR); - return 0; + if (!test_bit(SPU_CONTEXT_SWITCH_PENDING, &spu->flags)) + out_be64(&priv2->mfc_control_RW, MFC_CNTL_RESTART_DMA_COMMAND); } -static void spu_restart_dma(struct spu *spu) +static inline void spu_load_slb(struct spu *spu, int slbe, struct spu_slb *slb) { struct spu_priv2 __iomem *priv2 = spu->priv2; - if (!test_bit(SPU_CONTEXT_SWITCH_PENDING, &spu->flags)) - out_be64(&priv2->mfc_control_RW, MFC_CNTL_RESTART_DMA_COMMAND); + pr_debug("%s: adding SLB[%d] 0x%016lx 0x%016lx\n", + __func__, slbe, slb->vsid, slb->esid); + + out_be64(&priv2->slb_index_W, slbe); + out_be64(&priv2->slb_vsid_RW, slb->vsid); + out_be64(&priv2->slb_esid_RW, slb->esid); } static int __spu_trap_data_seg(struct spu *spu, unsigned long ea) { - struct spu_priv2 __iomem *priv2 = spu->priv2; struct mm_struct *mm = spu->mm; - u64 esid, vsid, llp; + struct spu_slb slb; int psize; pr_debug("%s\n", __FUNCTION__); @@ -159,7 +167,7 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea) printk("%s: invalid access during switch!\n", __func__); return 1; } - esid = (ea & ESID_MASK) | SLB_ESID_V; + slb.esid = (ea & ESID_MASK) | SLB_ESID_V; switch(REGION_ID(ea)) { case USER_REGION_ID: @@ -168,21 +176,21 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea) #else psize = mm->context.user_psize; #endif - vsid = (get_vsid(mm->context.id, ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) | - SLB_VSID_USER; + slb.vsid = (get_vsid(mm->context.id, ea, MMU_SEGSIZE_256M) + << SLB_VSID_SHIFT) | SLB_VSID_USER; break; case VMALLOC_REGION_ID: if (ea < VMALLOC_END) psize = mmu_vmalloc_psize; else psize = mmu_io_psize; - vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) | - SLB_VSID_KERNEL; + slb.vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) + << SLB_VSID_SHIFT) | SLB_VSID_KERNEL; break; case KERNEL_REGION_ID: psize = mmu_linear_psize; - vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) | - SLB_VSID_KERNEL; + slb.vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) + << SLB_VSID_SHIFT) | SLB_VSID_KERNEL; break; default: /* Future: support kernel segments so that drivers @@ -191,11 +199,9 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea) pr_debug("invalid region access at %016lx\n", ea); return 1; } - llp = mmu_psize_defs[psize].sllp; + slb.vsid |= mmu_psize_defs[psize].sllp; - out_be64(&priv2->slb_index_W, spu->slb_replace); - out_be64(&priv2->slb_vsid_RW, vsid | llp); - out_be64(&priv2->slb_esid_RW, esid); + spu_load_slb(spu, spu->slb_replace, &slb); spu->slb_replace++; if (spu->slb_replace >= 8) @@ -225,13 +231,83 @@ static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr) return 1; } + spu->class_0_pending = 0; spu->dar = ea; spu->dsisr = dsisr; - mb(); + spu->stop_callback(spu); + + return 0; +} + +static void __spu_kernel_slb(void *addr, struct spu_slb *slb) +{ + unsigned long ea = (unsigned long)addr; + u64 llp; + + if (REGION_ID(ea) == KERNEL_REGION_ID) + llp = mmu_psize_defs[mmu_linear_psize].sllp; + else + llp = mmu_psize_defs[mmu_virtual_psize].sllp; + + slb->vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) | + SLB_VSID_KERNEL | llp; + slb->esid = (ea & ESID_MASK) | SLB_ESID_V; +} + +/** + * Given an array of @nr_slbs SLB entries, @slbs, return non-zero if the + * address @new_addr is present. + */ +static inline int __slb_present(struct spu_slb *slbs, int nr_slbs, + void *new_addr) +{ + unsigned long ea = (unsigned long)new_addr; + int i; + + for (i = 0; i < nr_slbs; i++) + if (!((slbs[i].esid ^ ea) & ESID_MASK)) + return 1; + return 0; } +/** + * Setup the SPU kernel SLBs, in preparation for a context save/restore. We + * need to map both the context save area, and the save/restore code. + * + * Because the lscsa and code may cross segment boundaires, we check to see + * if mappings are required for the start and end of each range. We currently + * assume that the mappings are smaller that one segment - if not, something + * is seriously wrong. + */ +void spu_setup_kernel_slbs(struct spu *spu, struct spu_lscsa *lscsa, + void *code, int code_size) +{ + struct spu_slb slbs[4]; + int i, nr_slbs = 0; + /* start and end addresses of both mappings */ + void *addrs[] = { + lscsa, (void *)lscsa + sizeof(*lscsa) - 1, + code, code + code_size - 1 + }; + + /* check the set of addresses, and create a new entry in the slbs array + * if there isn't already a SLB for that address */ + for (i = 0; i < ARRAY_SIZE(addrs); i++) { + if (__slb_present(slbs, nr_slbs, addrs[i])) + continue; + + __spu_kernel_slb(addrs[i], &slbs[nr_slbs]); + nr_slbs++; + } + + /* Add the set of SLBs */ + for (i = 0; i < nr_slbs; i++) + spu_load_slb(spu, i, &slbs[i]); +} +EXPORT_SYMBOL_GPL(spu_setup_kernel_slbs); + static irqreturn_t spu_irq_class_0(int irq, void *data) { @@ -240,12 +316,13 @@ spu_irq_class_0(int irq, void *data) spu = data; + spin_lock(&spu->register_lock); mask = spu_int_mask_get(spu, 0); - stat = spu_int_stat_get(spu, 0); - stat &= mask; + stat = spu_int_stat_get(spu, 0) & mask; - spin_lock(&spu->register_lock); spu->class_0_pending |= stat; + spu->dsisr = spu_mfc_dsisr_get(spu); + spu->dar = spu_mfc_dar_get(spu); spin_unlock(&spu->register_lock); spu->stop_callback(spu); @@ -255,31 +332,6 @@ spu_irq_class_0(int irq, void *data) return IRQ_HANDLED; } -int -spu_irq_class_0_bottom(struct spu *spu) -{ - unsigned long flags; - unsigned long stat; - - spin_lock_irqsave(&spu->register_lock, flags); - stat = spu->class_0_pending; - spu->class_0_pending = 0; - - if (stat & 1) /* invalid DMA alignment */ - __spu_trap_dma_align(spu); - - if (stat & 2) /* invalid MFC DMA */ - __spu_trap_invalid_dma(spu); - - if (stat & 4) /* error on SPU */ - __spu_trap_error(spu); - - spin_unlock_irqrestore(&spu->register_lock, flags); - - return (stat & 0x7) ? -EIO : 0; -} -EXPORT_SYMBOL_GPL(spu_irq_class_0_bottom); - static irqreturn_t spu_irq_class_1(int irq, void *data) { @@ -294,24 +346,23 @@ spu_irq_class_1(int irq, void *data) stat = spu_int_stat_get(spu, 1) & mask; dar = spu_mfc_dar_get(spu); dsisr = spu_mfc_dsisr_get(spu); - if (stat & 2) /* mapping fault */ + if (stat & CLASS1_STORAGE_FAULT_INTR) spu_mfc_dsisr_set(spu, 0ul); spu_int_stat_clear(spu, 1, stat); spin_unlock(&spu->register_lock); pr_debug("%s: %lx %lx %lx %lx\n", __FUNCTION__, mask, stat, dar, dsisr); - if (stat & 1) /* segment fault */ + if (stat & CLASS1_SEGMENT_FAULT_INTR) __spu_trap_data_seg(spu, dar); - if (stat & 2) { /* mapping fault */ + if (stat & CLASS1_STORAGE_FAULT_INTR) __spu_trap_data_map(spu, dar, dsisr); - } - if (stat & 4) /* ls compare & suspend on get */ + if (stat & CLASS1_LS_COMPARE_SUSPEND_ON_GET_INTR) ; - if (stat & 8) /* ls compare & suspend on put */ + if (stat & CLASS1_LS_COMPARE_SUSPEND_ON_PUT_INTR) ; return stat ? IRQ_HANDLED : IRQ_NONE; @@ -323,6 +374,8 @@ spu_irq_class_2(int irq, void *data) struct spu *spu; unsigned long stat; unsigned long mask; + const int mailbox_intrs = + CLASS2_MAILBOX_THRESHOLD_INTR | CLASS2_MAILBOX_INTR; spu = data; spin_lock(&spu->register_lock); @@ -330,31 +383,30 @@ spu_irq_class_2(int irq, void *data) mask = spu_int_mask_get(spu, 2); /* ignore interrupts we're not waiting for */ stat &= mask; - /* - * mailbox interrupts (0x1 and 0x10) are level triggered. - * mask them now before acknowledging. - */ - if (stat & 0x11) - spu_int_mask_and(spu, 2, ~(stat & 0x11)); + + /* mailbox interrupts are level triggered. mask them now before + * acknowledging */ + if (stat & mailbox_intrs) + spu_int_mask_and(spu, 2, ~(stat & mailbox_intrs)); /* acknowledge all interrupts before the callbacks */ spu_int_stat_clear(spu, 2, stat); spin_unlock(&spu->register_lock); pr_debug("class 2 interrupt %d, %lx, %lx\n", irq, stat, mask); - if (stat & 1) /* PPC core mailbox */ + if (stat & CLASS2_MAILBOX_INTR) spu->ibox_callback(spu); - if (stat & 2) /* SPU stop-and-signal */ + if (stat & CLASS2_SPU_STOP_INTR) spu->stop_callback(spu); - if (stat & 4) /* SPU halted */ + if (stat & CLASS2_SPU_HALT_INTR) spu->stop_callback(spu); - if (stat & 8) /* DMA tag group complete */ + if (stat & CLASS2_SPU_DMA_TAG_GROUP_COMPLETE_INTR) spu->mfc_callback(spu); - if (stat & 0x10) /* SPU mailbox threshold */ + if (stat & CLASS2_MAILBOX_THRESHOLD_INTR) spu->wbox_callback(spu); spu->stats.class2_intr++; @@ -479,13 +531,27 @@ EXPORT_SYMBOL_GPL(spu_add_sysdev_attr); int spu_add_sysdev_attr_group(struct attribute_group *attrs) { struct spu *spu; + int rc = 0; mutex_lock(&spu_full_list_mutex); - list_for_each_entry(spu, &spu_full_list, full_list) - sysfs_create_group(&spu->sysdev.kobj, attrs); + list_for_each_entry(spu, &spu_full_list, full_list) { + rc = sysfs_create_group(&spu->sysdev.kobj, attrs); + + /* we're in trouble here, but try unwinding anyway */ + if (rc) { + printk(KERN_ERR "%s: can't create sysfs group '%s'\n", + __func__, attrs->name); + + list_for_each_entry_continue_reverse(spu, + &spu_full_list, full_list) + sysfs_remove_group(&spu->sysdev.kobj, attrs); + break; + } + } + mutex_unlock(&spu_full_list_mutex); - return 0; + return rc; } EXPORT_SYMBOL_GPL(spu_add_sysdev_attr_group); diff --git a/arch/powerpc/platforms/cell/spu_fault.c b/arch/powerpc/platforms/cell/spu_fault.c new file mode 100644 index 000000000000..c8b1cd42905d --- /dev/null +++ b/arch/powerpc/platforms/cell/spu_fault.c @@ -0,0 +1,98 @@ +/* + * SPU mm fault handler + * + * (C) Copyright IBM Deutschland Entwicklung GmbH 2007 + * + * Author: Arnd Bergmann <arndb@de.ibm.com> + * Author: Jeremy Kerr <jk@ozlabs.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include <linux/sched.h> +#include <linux/mm.h> +#include <linux/module.h> + +#include <asm/spu.h> +#include <asm/spu_csa.h> + +/* + * This ought to be kept in sync with the powerpc specific do_page_fault + * function. Currently, there are a few corner cases that we haven't had + * to handle fortunately. + */ +int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea, + unsigned long dsisr, unsigned *flt) +{ + struct vm_area_struct *vma; + unsigned long is_write; + int ret; + +#if 0 + if (!IS_VALID_EA(ea)) { + return -EFAULT; + } +#endif /* XXX */ + if (mm == NULL) { + return -EFAULT; + } + if (mm->pgd == NULL) { + return -EFAULT; + } + + down_read(&mm->mmap_sem); + vma = find_vma(mm, ea); + if (!vma) + goto bad_area; + if (vma->vm_start <= ea) + goto good_area; + if (!(vma->vm_flags & VM_GROWSDOWN)) + goto bad_area; + if (expand_stack(vma, ea)) + goto bad_area; +good_area: + is_write = dsisr & MFC_DSISR_ACCESS_PUT; + if (is_write) { + if (!(vma->vm_flags & VM_WRITE)) + goto bad_area; + } else { + if (dsisr & MFC_DSISR_ACCESS_DENIED) + goto bad_area; + if (!(vma->vm_flags & (VM_READ | VM_EXEC))) + goto bad_area; + } + ret = 0; + *flt = handle_mm_fault(mm, vma, ea, is_write); + if (unlikely(*flt & VM_FAULT_ERROR)) { + if (*flt & VM_FAULT_OOM) { + ret = -ENOMEM; + goto bad_area; + } else if (*flt & VM_FAULT_SIGBUS) { + ret = -EFAULT; + goto bad_area; + } + BUG(); + } + if (*flt & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; + up_read(&mm->mmap_sem); + return ret; + +bad_area: + up_read(&mm->mmap_sem); + return -EFAULT; +} +EXPORT_SYMBOL_GPL(spu_handle_mm_fault); diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c index 1b010707488d..d351bdebf5f1 100644 --- a/arch/powerpc/platforms/cell/spu_manage.c +++ b/arch/powerpc/platforms/cell/spu_manage.c @@ -35,6 +35,7 @@ #include <asm/firmware.h> #include <asm/prom.h> +#include "spufs/spufs.h" #include "interrupt.h" struct device_node *spu_devnode(struct spu *spu) @@ -345,7 +346,7 @@ static int __init of_create_spu(struct spu *spu, void *data) } ret = spu_map_interrupts_old(spu, spe); if (ret) { - printk(KERN_ERR "%s: could not map interrupts", + printk(KERN_ERR "%s: could not map interrupts\n", spu->name); goto out_unmap; } @@ -369,6 +370,16 @@ static int of_destroy_spu(struct spu *spu) return 0; } +static void enable_spu_by_master_run(struct spu_context *ctx) +{ + ctx->ops->master_start(ctx); +} + +static void disable_spu_by_master_run(struct spu_context *ctx) +{ + ctx->ops->master_stop(ctx); +} + /* Hardcoded affinity idxs for qs20 */ #define QS20_SPES_PER_BE 8 static int qs20_reg_idxs[QS20_SPES_PER_BE] = { 0, 2, 4, 6, 7, 5, 3, 1 }; @@ -411,10 +422,15 @@ static void init_affinity_qs20_harcoded(void) static int of_has_vicinity(void) { - struct spu* spu; + struct device_node *dn; - spu = list_first_entry(&cbe_spu_info[0].spus, struct spu, cbe_list); - return of_find_property(spu_devnode(spu), "vicinity", NULL) != NULL; + for_each_node_by_type(dn, "spe") { + if (of_find_property(dn, "vicinity", NULL)) { + of_node_put(dn); + return 1; + } + } + return 0; } static struct spu *devnode_spu(int cbe, struct device_node *dn) @@ -525,7 +541,7 @@ static int __init init_affinity(void) if (of_flat_dt_is_compatible(root, "IBM,CPBW-1.0")) init_affinity_qs20_harcoded(); else - printk("No affinity configuration found"); + printk("No affinity configuration found\n"); } return 0; @@ -535,5 +551,7 @@ const struct spu_management_ops spu_management_of_ops = { .enumerate_spus = of_enumerate_spus, .create_spu = of_create_spu, .destroy_spu = of_destroy_spu, + .enable_spu = enable_spu_by_master_run, + .disable_spu = disable_spu_by_master_run, .init_affinity = init_affinity, }; diff --git a/arch/powerpc/platforms/cell/spufs/Makefile b/arch/powerpc/platforms/cell/spufs/Makefile index 328afcf89503..d3a349fb42e5 100644 --- a/arch/powerpc/platforms/cell/spufs/Makefile +++ b/arch/powerpc/platforms/cell/spufs/Makefile @@ -1,8 +1,8 @@ -obj-y += switch.o fault.o lscsa_alloc.o obj-$(CONFIG_SPU_FS) += spufs.o spufs-y += inode.o file.o context.o syscalls.o coredump.o spufs-y += sched.o backing_ops.o hw_ops.o run.o gang.o +spufs-y += switch.o fault.o lscsa_alloc.o # Rules to build switch.o with the help of SPU tool chain SPU_CROSS := spu- diff --git a/arch/powerpc/platforms/cell/spufs/backing_ops.c b/arch/powerpc/platforms/cell/spufs/backing_ops.c index ec01214e51ee..50d98a154aaf 100644 --- a/arch/powerpc/platforms/cell/spufs/backing_ops.c +++ b/arch/powerpc/platforms/cell/spufs/backing_ops.c @@ -106,16 +106,20 @@ static unsigned int spu_backing_mbox_stat_poll(struct spu_context *ctx, if (stat & 0xff0000) ret |= POLLIN | POLLRDNORM; else { - ctx->csa.priv1.int_stat_class0_RW &= ~0x1; - ctx->csa.priv1.int_mask_class2_RW |= 0x1; + ctx->csa.priv1.int_stat_class2_RW &= + ~CLASS2_MAILBOX_INTR; + ctx->csa.priv1.int_mask_class2_RW |= + CLASS2_ENABLE_MAILBOX_INTR; } } if (events & (POLLOUT | POLLWRNORM)) { if (stat & 0x00ff00) ret = POLLOUT | POLLWRNORM; else { - ctx->csa.priv1.int_stat_class0_RW &= ~0x10; - ctx->csa.priv1.int_mask_class2_RW |= 0x10; + ctx->csa.priv1.int_stat_class2_RW &= + ~CLASS2_MAILBOX_THRESHOLD_INTR; + ctx->csa.priv1.int_mask_class2_RW |= + CLASS2_ENABLE_MAILBOX_THRESHOLD_INTR; } } spin_unlock_irq(&ctx->csa.register_lock); @@ -139,7 +143,7 @@ static int spu_backing_ibox_read(struct spu_context *ctx, u32 * data) ret = 4; } else { /* make sure we get woken up by the interrupt */ - ctx->csa.priv1.int_mask_class2_RW |= 0x1UL; + ctx->csa.priv1.int_mask_class2_RW |= CLASS2_ENABLE_MAILBOX_INTR; ret = 0; } spin_unlock(&ctx->csa.register_lock); @@ -169,7 +173,8 @@ static int spu_backing_wbox_write(struct spu_context *ctx, u32 data) } else { /* make sure we get woken up by the interrupt when space becomes available */ - ctx->csa.priv1.int_mask_class2_RW |= 0x10; + ctx->csa.priv1.int_mask_class2_RW |= + CLASS2_ENABLE_MAILBOX_THRESHOLD_INTR; ret = 0; } spin_unlock(&ctx->csa.register_lock); @@ -268,6 +273,11 @@ static char *spu_backing_get_ls(struct spu_context *ctx) return ctx->csa.lscsa->ls; } +static void spu_backing_privcntl_write(struct spu_context *ctx, u64 val) +{ + ctx->csa.priv2.spu_privcntl_RW = val; +} + static u32 spu_backing_runcntl_read(struct spu_context *ctx) { return ctx->csa.prob.spu_runcntl_RW; @@ -285,6 +295,11 @@ static void spu_backing_runcntl_write(struct spu_context *ctx, u32 val) spin_unlock(&ctx->csa.register_lock); } +static void spu_backing_runcntl_stop(struct spu_context *ctx) +{ + spu_backing_runcntl_write(ctx, SPU_RUNCNTL_STOP); +} + static void spu_backing_master_start(struct spu_context *ctx) { struct spu_state *csa = &ctx->csa; @@ -358,7 +373,7 @@ static int spu_backing_send_mfc_command(struct spu_context *ctx, static void spu_backing_restart_dma(struct spu_context *ctx) { - /* nothing to do here */ + ctx->csa.priv2.mfc_control_RW |= MFC_CNTL_RESTART_DMA_COMMAND; } struct spu_context_ops spu_backing_ops = { @@ -379,8 +394,10 @@ struct spu_context_ops spu_backing_ops = { .npc_write = spu_backing_npc_write, .status_read = spu_backing_status_read, .get_ls = spu_backing_get_ls, + .privcntl_write = spu_backing_privcntl_write, .runcntl_read = spu_backing_runcntl_read, .runcntl_write = spu_backing_runcntl_write, + .runcntl_stop = spu_backing_runcntl_stop, .master_start = spu_backing_master_start, .master_stop = spu_backing_master_stop, .set_mfc_query = spu_backing_set_mfc_query, diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c index 9cb081c26e71..237e152d31dc 100644 --- a/arch/powerpc/platforms/cell/spufs/context.c +++ b/arch/powerpc/platforms/cell/spufs/context.c @@ -52,6 +52,7 @@ struct spu_context *alloc_spu_context(struct spu_gang *gang) init_waitqueue_head(&ctx->wbox_wq); init_waitqueue_head(&ctx->stop_wq); init_waitqueue_head(&ctx->mfc_wq); + init_waitqueue_head(&ctx->run_wq); ctx->state = SPU_STATE_SAVED; ctx->ops = &spu_backing_ops; ctx->owner = get_task_mm(current); @@ -105,7 +106,17 @@ int put_spu_context(struct spu_context *ctx) void spu_forget(struct spu_context *ctx) { struct mm_struct *mm; - spu_acquire_saved(ctx); + + /* + * This is basically an open-coded spu_acquire_saved, except that + * we don't acquire the state mutex interruptible. + */ + mutex_lock(&ctx->state_mutex); + if (ctx->state != SPU_STATE_SAVED) { + set_bit(SPU_SCHED_WAS_ACTIVE, &ctx->sched_flags); + spu_deactivate(ctx); + } + mm = ctx->owner; ctx->owner = NULL; mmput(mm); @@ -133,47 +144,23 @@ void spu_unmap_mappings(struct spu_context *ctx) } /** - * spu_acquire_runnable - lock spu contex and make sure it is in runnable state + * spu_acquire_saved - lock spu contex and make sure it is in saved state * @ctx: spu contex to lock - * - * Note: - * Returns 0 and with the context locked on success - * Returns negative error and with the context _unlocked_ on failure. */ -int spu_acquire_runnable(struct spu_context *ctx, unsigned long flags) +int spu_acquire_saved(struct spu_context *ctx) { - int ret = -EINVAL; - - spu_acquire(ctx); - if (ctx->state == SPU_STATE_SAVED) { - /* - * Context is about to be freed, so we can't acquire it anymore. - */ - if (!ctx->owner) - goto out_unlock; - ret = spu_activate(ctx, flags); - if (ret) - goto out_unlock; - } + int ret; - return 0; - - out_unlock: - spu_release(ctx); - return ret; -} + ret = spu_acquire(ctx); + if (ret) + return ret; -/** - * spu_acquire_saved - lock spu contex and make sure it is in saved state - * @ctx: spu contex to lock - */ -void spu_acquire_saved(struct spu_context *ctx) -{ - spu_acquire(ctx); if (ctx->state != SPU_STATE_SAVED) { set_bit(SPU_SCHED_WAS_ACTIVE, &ctx->sched_flags); spu_deactivate(ctx); } + + return 0; } /** diff --git a/arch/powerpc/platforms/cell/spufs/coredump.c b/arch/powerpc/platforms/cell/spufs/coredump.c index 80f62363e1ce..0c6a96b82b2d 100644 --- a/arch/powerpc/platforms/cell/spufs/coredump.c +++ b/arch/powerpc/platforms/cell/spufs/coredump.c @@ -148,7 +148,9 @@ int spufs_coredump_extra_notes_size(void) fd = 0; while ((ctx = coredump_next_context(&fd)) != NULL) { - spu_acquire_saved(ctx); + rc = spu_acquire_saved(ctx); + if (rc) + break; rc = spufs_ctx_note_size(ctx, fd); spu_release_saved(ctx); if (rc < 0) @@ -224,7 +226,9 @@ int spufs_coredump_extra_notes_write(struct file *file, loff_t *foffset) fd = 0; while ((ctx = coredump_next_context(&fd)) != NULL) { - spu_acquire_saved(ctx); + rc = spu_acquire_saved(ctx); + if (rc) + return rc; for (j = 0; spufs_coredump_read[j].name != NULL; j++) { rc = spufs_arch_write_note(ctx, j, file, fd, foffset); diff --git a/arch/powerpc/platforms/cell/spufs/fault.c b/arch/powerpc/platforms/cell/spufs/fault.c index 917eab4be486..eff4d291ba85 100644 --- a/arch/powerpc/platforms/cell/spufs/fault.c +++ b/arch/powerpc/platforms/cell/spufs/fault.c @@ -28,117 +28,71 @@ #include "spufs.h" -/* - * This ought to be kept in sync with the powerpc specific do_page_fault - * function. Currently, there are a few corner cases that we haven't had - * to handle fortunately. +/** + * Handle an SPE event, depending on context SPU_CREATE_EVENTS_ENABLED flag. + * + * If the context was created with events, we just set the return event. + * Otherwise, send an appropriate signal to the process. */ -static int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea, - unsigned long dsisr, unsigned *flt) +static void spufs_handle_event(struct spu_context *ctx, + unsigned long ea, int type) { - struct vm_area_struct *vma; - unsigned long is_write; - int ret; + siginfo_t info; -#if 0 - if (!IS_VALID_EA(ea)) { - return -EFAULT; - } -#endif /* XXX */ - if (mm == NULL) { - return -EFAULT; - } - if (mm->pgd == NULL) { - return -EFAULT; + if (ctx->flags & SPU_CREATE_EVENTS_ENABLED) { + ctx->event_return |= type; + wake_up_all(&ctx->stop_wq); + return; } - down_read(&mm->mmap_sem); - vma = find_vma(mm, ea); - if (!vma) - goto bad_area; - if (vma->vm_start <= ea) - goto good_area; - if (!(vma->vm_flags & VM_GROWSDOWN)) - goto bad_area; - if (expand_stack(vma, ea)) - goto bad_area; -good_area: - is_write = dsisr & MFC_DSISR_ACCESS_PUT; - if (is_write) { - if (!(vma->vm_flags & VM_WRITE)) - goto bad_area; - } else { - if (dsisr & MFC_DSISR_ACCESS_DENIED) - goto bad_area; - if (!(vma->vm_flags & (VM_READ | VM_EXEC))) - goto bad_area; + memset(&info, 0, sizeof(info)); + + switch (type) { + case SPE_EVENT_INVALID_DMA: + info.si_signo = SIGBUS; + info.si_code = BUS_OBJERR; + break; + case SPE_EVENT_SPE_DATA_STORAGE: + info.si_signo = SIGSEGV; + info.si_addr = (void __user *)ea; + info.si_code = SEGV_ACCERR; + ctx->ops->restart_dma(ctx); + break; + case SPE_EVENT_DMA_ALIGNMENT: + info.si_signo = SIGBUS; + /* DAR isn't set for an alignment fault :( */ + info.si_code = BUS_ADRALN; + break; + case SPE_EVENT_SPE_ERROR: + info.si_signo = SIGILL; + info.si_addr = (void __user *)(unsigned long) + ctx->ops->npc_read(ctx) - 4; + info.si_code = ILL_ILLOPC; + break; } - ret = 0; - *flt = handle_mm_fault(mm, vma, ea, is_write); - if (unlikely(*flt & VM_FAULT_ERROR)) { - if (*flt & VM_FAULT_OOM) { - ret = -ENOMEM; - goto bad_area; - } else if (*flt & VM_FAULT_SIGBUS) { - ret = -EFAULT; - goto bad_area; - } - BUG(); - } - if (*flt & VM_FAULT_MAJOR) - current->maj_flt++; - else - current->min_flt++; - up_read(&mm->mmap_sem); - return ret; -bad_area: - up_read(&mm->mmap_sem); - return -EFAULT; + if (info.si_signo) + force_sig_info(info.si_signo, &info, current); } -static void spufs_handle_dma_error(struct spu_context *ctx, - unsigned long ea, int type) +int spufs_handle_class0(struct spu_context *ctx) { - if (ctx->flags & SPU_CREATE_EVENTS_ENABLED) { - ctx->event_return |= type; - wake_up_all(&ctx->stop_wq); - } else { - siginfo_t info; - memset(&info, 0, sizeof(info)); - - switch (type) { - case SPE_EVENT_INVALID_DMA: - info.si_signo = SIGBUS; - info.si_code = BUS_OBJERR; - break; - case SPE_EVENT_SPE_DATA_STORAGE: - info.si_signo = SIGBUS; - info.si_addr = (void __user *)ea; - info.si_code = BUS_ADRERR; - break; - case SPE_EVENT_DMA_ALIGNMENT: - info.si_signo = SIGBUS; - /* DAR isn't set for an alignment fault :( */ - info.si_code = BUS_ADRALN; - break; - case SPE_EVENT_SPE_ERROR: - info.si_signo = SIGILL; - info.si_addr = (void __user *)(unsigned long) - ctx->ops->npc_read(ctx) - 4; - info.si_code = ILL_ILLOPC; - break; - } - if (info.si_signo) - force_sig_info(info.si_signo, &info, current); - } -} + unsigned long stat = ctx->csa.class_0_pending & CLASS0_INTR_MASK; -void spufs_dma_callback(struct spu *spu, int type) -{ - spufs_handle_dma_error(spu->ctx, spu->dar, type); + if (likely(!stat)) + return 0; + + if (stat & CLASS0_DMA_ALIGNMENT_INTR) + spufs_handle_event(ctx, ctx->csa.dar, SPE_EVENT_DMA_ALIGNMENT); + + if (stat & CLASS0_INVALID_DMA_COMMAND_INTR) + spufs_handle_event(ctx, ctx->csa.dar, SPE_EVENT_INVALID_DMA); + + if (stat & CLASS0_SPU_ERROR_INTR) + spufs_handle_event(ctx, ctx->csa.dar, SPE_EVENT_SPE_ERROR); + + return -EIO; } -EXPORT_SYMBOL_GPL(spufs_dma_callback); /* * bottom half handler for page faults, we can't do this from @@ -154,7 +108,7 @@ int spufs_handle_class1(struct spu_context *ctx) u64 ea, dsisr, access; unsigned long flags; unsigned flt = 0; - int ret; + int ret, ret2; /* * dar and dsisr get passed from the registers @@ -165,16 +119,8 @@ int spufs_handle_class1(struct spu_context *ctx) * in time, we can still expect to get the same fault * the immediately after the context restore. */ - if (ctx->state == SPU_STATE_RUNNABLE) { - ea = ctx->spu->dar; - dsisr = ctx->spu->dsisr; - ctx->spu->dar= ctx->spu->dsisr = 0; - } else { - ea = ctx->csa.priv1.mfc_dar_RW; - dsisr = ctx->csa.priv1.mfc_dsisr_RW; - ctx->csa.priv1.mfc_dar_RW = 0; - ctx->csa.priv1.mfc_dsisr_RW = 0; - } + ea = ctx->csa.dar; + dsisr = ctx->csa.dsisr; if (!(dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED))) return 0; @@ -201,7 +147,22 @@ int spufs_handle_class1(struct spu_context *ctx) if (ret) ret = spu_handle_mm_fault(current->mm, ea, dsisr, &flt); - spu_acquire(ctx); + /* + * If spu_acquire fails due to a pending signal we just want to return + * EINTR to userspace even if that means missing the dma restart or + * updating the page fault statistics. + */ + ret2 = spu_acquire(ctx); + if (ret2) + goto out; + + /* + * Clear dsisr under ctxt lock after handling the fault, so that + * time slicing will not preempt the context while the page fault + * handler is running. Context switch code removes mappings. + */ + ctx->csa.dar = ctx->csa.dsisr = 0; + /* * If we handled the fault successfully and are in runnable * state, restart the DMA. @@ -222,9 +183,9 @@ int spufs_handle_class1(struct spu_context *ctx) if (ctx->spu) ctx->ops->restart_dma(ctx); } else - spufs_handle_dma_error(ctx, ea, SPE_EVENT_SPE_DATA_STORAGE); + spufs_handle_event(ctx, ea, SPE_EVENT_SPE_DATA_STORAGE); + out: spuctx_switch_state(ctx, SPU_UTIL_SYSTEM); return ret; } -EXPORT_SYMBOL_GPL(spufs_handle_class1); diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index d9e56a503795..3fcd06418b01 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -40,6 +40,120 @@ #define SPUFS_MMAP_4K (PAGE_SIZE == 0x1000) +/* Simple attribute files */ +struct spufs_attr { + int (*get)(void *, u64 *); + int (*set)(void *, u64); + char get_buf[24]; /* enough to store a u64 and "\n\0" */ + char set_buf[24]; + void *data; + const char *fmt; /* format for read operation */ + struct mutex mutex; /* protects access to these buffers */ +}; + +static int spufs_attr_open(struct inode *inode, struct file *file, + int (*get)(void *, u64 *), int (*set)(void *, u64), + const char *fmt) +{ + struct spufs_attr *attr; + + attr = kmalloc(sizeof(*attr), GFP_KERNEL); + if (!attr) + return -ENOMEM; + + attr->get = get; + attr->set = set; + attr->data = inode->i_private; + attr->fmt = fmt; + mutex_init(&attr->mutex); + file->private_data = attr; + + return nonseekable_open(inode, file); +} + +static int spufs_attr_release(struct inode *inode, struct file *file) +{ + kfree(file->private_data); + return 0; +} + +static ssize_t spufs_attr_read(struct file *file, char __user *buf, + size_t len, loff_t *ppos) +{ + struct spufs_attr *attr; + size_t size; + ssize_t ret; + + attr = file->private_data; + if (!attr->get) + return -EACCES; + + ret = mutex_lock_interruptible(&attr->mutex); + if (ret) + return ret; + + if (*ppos) { /* continued read */ + size = strlen(attr->get_buf); + } else { /* first read */ + u64 val; + ret = attr->get(attr->data, &val); + if (ret) + goto out; + + size = scnprintf(attr->get_buf, sizeof(attr->get_buf), + attr->fmt, (unsigned long long)val); + } + + ret = simple_read_from_buffer(buf, len, ppos, attr->get_buf, size); +out: + mutex_unlock(&attr->mutex); + return ret; +} + +static ssize_t spufs_attr_write(struct file *file, const char __user *buf, + size_t len, loff_t *ppos) +{ + struct spufs_attr *attr; + u64 val; + size_t size; + ssize_t ret; + + attr = file->private_data; + if (!attr->set) + return -EACCES; + + ret = mutex_lock_interruptible(&attr->mutex); + if (ret) + return ret; + + ret = -EFAULT; + size = min(sizeof(attr->set_buf) - 1, len); + if (copy_from_user(attr->set_buf, buf, size)) + goto out; + + ret = len; /* claim we got the whole input */ + attr->set_buf[size] = '\0'; + val = simple_strtol(attr->set_buf, NULL, 0); + attr->set(attr->data, val); +out: + mutex_unlock(&attr->mutex); + return ret; +} + +#define DEFINE_SPUFS_SIMPLE_ATTRIBUTE(__fops, __get, __set, __fmt) \ +static int __fops ## _open(struct inode *inode, struct file *file) \ +{ \ + __simple_attr_check_format(__fmt, 0ull); \ + return spufs_attr_open(inode, file, __get, __set, __fmt); \ +} \ +static struct file_operations __fops = { \ + .owner = THIS_MODULE, \ + .open = __fops ## _open, \ + .release = spufs_attr_release, \ + .read = spufs_attr_read, \ + .write = spufs_attr_write, \ +}; + static int spufs_mem_open(struct inode *inode, struct file *file) @@ -84,9 +198,12 @@ spufs_mem_read(struct file *file, char __user *buffer, struct spu_context *ctx = file->private_data; ssize_t ret; - spu_acquire(ctx); + ret = spu_acquire(ctx); + if (ret) + return ret; ret = __spufs_mem_read(ctx, buffer, size, pos); spu_release(ctx); + return ret; } @@ -106,7 +223,10 @@ spufs_mem_write(struct file *file, const char __user *buffer, if (size > LS_SIZE - pos) size = LS_SIZE - pos; - spu_acquire(ctx); + ret = spu_acquire(ctx); + if (ret) + return ret; + local_store = ctx->ops->get_ls(ctx); ret = copy_from_user(local_store + pos, buffer, size); spu_release(ctx); @@ -146,7 +266,8 @@ static unsigned long spufs_mem_mmap_nopfn(struct vm_area_struct *vma, pr_debug("spufs_mem_mmap_nopfn address=0x%lx -> 0x%lx, offset=0x%lx\n", addr0, address, offset); - spu_acquire(ctx); + if (spu_acquire(ctx)) + return NOPFN_REFAULT; if (ctx->state == SPU_STATE_SAVED) { vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot) @@ -236,23 +357,32 @@ static unsigned long spufs_ps_nopfn(struct vm_area_struct *vma, { struct spu_context *ctx = vma->vm_file->private_data; unsigned long area, offset = address - vma->vm_start; - int ret; offset += vma->vm_pgoff << PAGE_SHIFT; if (offset >= ps_size) return NOPFN_SIGBUS; - /* error here usually means a signal.. we might want to test - * the error code more precisely though + /* + * We have to wait for context to be loaded before we have + * pages to hand out to the user, but we don't want to wait + * with the mmap_sem held. + * It is possible to drop the mmap_sem here, but then we need + * to return NOPFN_REFAULT because the mappings may have + * hanged. */ - ret = spu_acquire_runnable(ctx, 0); - if (ret) + if (spu_acquire(ctx)) return NOPFN_REFAULT; - area = ctx->spu->problem_phys + ps_offs; - vm_insert_pfn(vma, address, (area + offset) >> PAGE_SHIFT); - spu_release(ctx); + if (ctx->state == SPU_STATE_SAVED) { + up_read(¤t->mm->mmap_sem); + spufs_wait(ctx->run_wq, ctx->state == SPU_STATE_RUNNABLE); + down_read(¤t->mm->mmap_sem); + } else { + area = ctx->spu->problem_phys + ps_offs; + vm_insert_pfn(vma, address, (area + offset) >> PAGE_SHIFT); + } + spu_release(ctx); return NOPFN_REFAULT; } @@ -286,25 +416,32 @@ static int spufs_cntl_mmap(struct file *file, struct vm_area_struct *vma) #define spufs_cntl_mmap NULL #endif /* !SPUFS_MMAP_4K */ -static u64 spufs_cntl_get(void *data) +static int spufs_cntl_get(void *data, u64 *val) { struct spu_context *ctx = data; - u64 val; + int ret; - spu_acquire(ctx); - val = ctx->ops->status_read(ctx); + ret = spu_acquire(ctx); + if (ret) + return ret; + *val = ctx->ops->status_read(ctx); spu_release(ctx); - return val; + return 0; } -static void spufs_cntl_set(void *data, u64 val) +static int spufs_cntl_set(void *data, u64 val) { struct spu_context *ctx = data; + int ret; - spu_acquire(ctx); + ret = spu_acquire(ctx); + if (ret) + return ret; ctx->ops->runcntl_write(ctx, val); spu_release(ctx); + + return 0; } static int spufs_cntl_open(struct inode *inode, struct file *file) @@ -317,7 +454,7 @@ static int spufs_cntl_open(struct inode *inode, struct file *file) if (!i->i_openers++) ctx->cntl = inode->i_mapping; mutex_unlock(&ctx->mapping_lock); - return simple_attr_open(inode, file, spufs_cntl_get, + return spufs_attr_open(inode, file, spufs_cntl_get, spufs_cntl_set, "0x%08lx"); } @@ -327,7 +464,7 @@ spufs_cntl_release(struct inode *inode, struct file *file) struct spufs_inode_info *i = SPUFS_I(inode); struct spu_context *ctx = i->i_ctx; - simple_attr_close(inode, file); + spufs_attr_release(inode, file); mutex_lock(&ctx->mapping_lock); if (!--i->i_openers) @@ -339,8 +476,8 @@ spufs_cntl_release(struct inode *inode, struct file *file) static const struct file_operations spufs_cntl_fops = { .open = spufs_cntl_open, .release = spufs_cntl_release, - .read = simple_attr_read, - .write = simple_attr_write, + .read = spufs_attr_read, + .write = spufs_attr_write, .mmap = spufs_cntl_mmap, }; @@ -368,7 +505,9 @@ spufs_regs_read(struct file *file, char __user *buffer, int ret; struct spu_context *ctx = file->private_data; - spu_acquire_saved(ctx); + ret = spu_acquire_saved(ctx); + if (ret) + return ret; ret = __spufs_regs_read(ctx, buffer, size, pos); spu_release_saved(ctx); return ret; @@ -387,7 +526,9 @@ spufs_regs_write(struct file *file, const char __user *buffer, return -EFBIG; *pos += size; - spu_acquire_saved(ctx); + ret = spu_acquire_saved(ctx); + if (ret) + return ret; ret = copy_from_user(lscsa->gprs + *pos - size, buffer, size) ? -EFAULT : size; @@ -419,7 +560,9 @@ spufs_fpcr_read(struct file *file, char __user * buffer, int ret; struct spu_context *ctx = file->private_data; - spu_acquire_saved(ctx); + ret = spu_acquire_saved(ctx); + if (ret) + return ret; ret = __spufs_fpcr_read(ctx, buffer, size, pos); spu_release_saved(ctx); return ret; @@ -436,10 +579,12 @@ spufs_fpcr_write(struct file *file, const char __user * buffer, size = min_t(ssize_t, sizeof(lscsa->fpcr) - *pos, size); if (size <= 0) return -EFBIG; - *pos += size; - spu_acquire_saved(ctx); + ret = spu_acquire_saved(ctx); + if (ret) + return ret; + *pos += size; ret = copy_from_user((char *)&lscsa->fpcr + *pos - size, buffer, size) ? -EFAULT : size; @@ -486,7 +631,10 @@ static ssize_t spufs_mbox_read(struct file *file, char __user *buf, udata = (void __user *)buf; - spu_acquire(ctx); + count = spu_acquire(ctx); + if (count) + return count; + for (count = 0; (count + 4) <= len; count += 4, udata++) { int ret; ret = ctx->ops->mbox_read(ctx, &mbox_data); @@ -522,12 +670,15 @@ static ssize_t spufs_mbox_stat_read(struct file *file, char __user *buf, size_t len, loff_t *pos) { struct spu_context *ctx = file->private_data; + ssize_t ret; u32 mbox_stat; if (len < 4) return -EINVAL; - spu_acquire(ctx); + ret = spu_acquire(ctx); + if (ret) + return ret; mbox_stat = ctx->ops->mbox_stat_read(ctx) & 0xff; @@ -562,6 +713,9 @@ void spufs_ibox_callback(struct spu *spu) { struct spu_context *ctx = spu->ctx; + if (!ctx) + return; + wake_up_all(&ctx->ibox_wq); kill_fasync(&ctx->ibox_fasync, SIGIO, POLLIN); } @@ -593,7 +747,9 @@ static ssize_t spufs_ibox_read(struct file *file, char __user *buf, udata = (void __user *)buf; - spu_acquire(ctx); + count = spu_acquire(ctx); + if (count) + return count; /* wait only for the first element */ count = 0; @@ -639,7 +795,11 @@ static unsigned int spufs_ibox_poll(struct file *file, poll_table *wait) poll_wait(file, &ctx->ibox_wq, wait); - spu_acquire(ctx); + /* + * For now keep this uninterruptible and also ignore the rule + * that poll should not sleep. Will be fixed later. + */ + mutex_lock(&ctx->state_mutex); mask = ctx->ops->mbox_stat_poll(ctx, POLLIN | POLLRDNORM); spu_release(ctx); @@ -657,12 +817,15 @@ static ssize_t spufs_ibox_stat_read(struct file *file, char __user *buf, size_t len, loff_t *pos) { struct spu_context *ctx = file->private_data; + ssize_t ret; u32 ibox_stat; if (len < 4) return -EINVAL; - spu_acquire(ctx); + ret = spu_acquire(ctx); + if (ret) + return ret; ibox_stat = (ctx->ops->mbox_stat_read(ctx) >> 16) & 0xff; spu_release(ctx); @@ -698,6 +861,9 @@ void spufs_wbox_callback(struct spu *spu) { struct spu_context *ctx = spu->ctx; + if (!ctx) + return; + wake_up_all(&ctx->wbox_wq); kill_fasync(&ctx->wbox_fasync, SIGIO, POLLOUT); } @@ -731,7 +897,9 @@ static ssize_t spufs_wbox_write(struct file *file, const char __user *buf, if (__get_user(wbox_data, udata)) return -EFAULT; - spu_acquire(ctx); + count = spu_acquire(ctx); + if (count) + return count; /* * make sure we can at least write one element, by waiting @@ -772,7 +940,11 @@ static unsigned int spufs_wbox_poll(struct file *file, poll_table *wait) poll_wait(file, &ctx->wbox_wq, wait); - spu_acquire(ctx); + /* + * For now keep this uninterruptible and also ignore the rule + * that poll should not sleep. Will be fixed later. + */ + mutex_lock(&ctx->state_mutex); mask = ctx->ops->mbox_stat_poll(ctx, POLLOUT | POLLWRNORM); spu_release(ctx); @@ -790,12 +962,15 @@ static ssize_t spufs_wbox_stat_read(struct file *file, char __user *buf, size_t len, loff_t *pos) { struct spu_context *ctx = file->private_data; + ssize_t ret; u32 wbox_stat; if (len < 4) return -EINVAL; - spu_acquire(ctx); + ret = spu_acquire(ctx); + if (ret) + return ret; wbox_stat = (ctx->ops->mbox_stat_read(ctx) >> 8) & 0xff; spu_release(ctx); @@ -866,7 +1041,9 @@ static ssize_t spufs_signal1_read(struct file *file, char __user *buf, int ret; struct spu_context *ctx = file->private_data; - spu_acquire_saved(ctx); + ret = spu_acquire_saved(ctx); + if (ret) + return ret; ret = __spufs_signal1_read(ctx, buf, len, pos); spu_release_saved(ctx); @@ -877,6 +1054,7 @@ static ssize_t spufs_signal1_write(struct file *file, const char __user *buf, size_t len, loff_t *pos) { struct spu_context *ctx; + ssize_t ret; u32 data; ctx = file->private_data; @@ -887,7 +1065,9 @@ static ssize_t spufs_signal1_write(struct file *file, const char __user *buf, if (copy_from_user(&data, buf, 4)) return -EFAULT; - spu_acquire(ctx); + ret = spu_acquire(ctx); + if (ret) + return ret; ctx->ops->signal1_write(ctx, data); spu_release(ctx); @@ -997,7 +1177,9 @@ static ssize_t spufs_signal2_read(struct file *file, char __user *buf, struct spu_context *ctx = file->private_data; int ret; - spu_acquire_saved(ctx); + ret = spu_acquire_saved(ctx); + if (ret) + return ret; ret = __spufs_signal2_read(ctx, buf, len, pos); spu_release_saved(ctx); @@ -1008,6 +1190,7 @@ static ssize_t spufs_signal2_write(struct file *file, const char __user *buf, size_t len, loff_t *pos) { struct spu_context *ctx; + ssize_t ret; u32 data; ctx = file->private_data; @@ -1018,7 +1201,9 @@ static ssize_t spufs_signal2_write(struct file *file, const char __user *buf, if (copy_from_user(&data, buf, 4)) return -EFAULT; - spu_acquire(ctx); + ret = spu_acquire(ctx); + if (ret) + return ret; ctx->ops->signal2_write(ctx, data); spu_release(ctx); @@ -1086,33 +1271,42 @@ static const struct file_operations spufs_signal2_nosched_fops = { #define SPU_ATTR_ACQUIRE_SAVED 2 #define DEFINE_SPUFS_ATTRIBUTE(__name, __get, __set, __fmt, __acquire) \ -static u64 __##__get(void *data) \ +static int __##__get(void *data, u64 *val) \ { \ struct spu_context *ctx = data; \ - u64 ret; \ + int ret = 0; \ \ if (__acquire == SPU_ATTR_ACQUIRE) { \ - spu_acquire(ctx); \ - ret = __get(ctx); \ + ret = spu_acquire(ctx); \ + if (ret) \ + return ret; \ + *val = __get(ctx); \ spu_release(ctx); \ } else if (__acquire == SPU_ATTR_ACQUIRE_SAVED) { \ - spu_acquire_saved(ctx); \ - ret = __get(ctx); \ + ret = spu_acquire_saved(ctx); \ + if (ret) \ + return ret; \ + *val = __get(ctx); \ spu_release_saved(ctx); \ } else \ - ret = __get(ctx); \ + *val = __get(ctx); \ \ - return ret; \ + return 0; \ } \ -DEFINE_SIMPLE_ATTRIBUTE(__name, __##__get, __set, __fmt); +DEFINE_SPUFS_SIMPLE_ATTRIBUTE(__name, __##__get, __set, __fmt); -static void spufs_signal1_type_set(void *data, u64 val) +static int spufs_signal1_type_set(void *data, u64 val) { struct spu_context *ctx = data; + int ret; - spu_acquire(ctx); + ret = spu_acquire(ctx); + if (ret) + return ret; ctx->ops->signal1_type_set(ctx, val); spu_release(ctx); + + return 0; } static u64 spufs_signal1_type_get(struct spu_context *ctx) @@ -1123,13 +1317,18 @@ DEFINE_SPUFS_ATTRIBUTE(spufs_signal1_type, spufs_signal1_type_get, spufs_signal1_type_set, "%llu", SPU_ATTR_ACQUIRE); -static void spufs_signal2_type_set(void *data, u64 val) +static int spufs_signal2_type_set(void *data, u64 val) { struct spu_context *ctx = data; + int ret; - spu_acquire(ctx); + ret = spu_acquire(ctx); + if (ret) + return ret; ctx->ops->signal2_type_set(ctx, val); spu_release(ctx); + + return 0; } static u64 spufs_signal2_type_get(struct spu_context *ctx) @@ -1329,6 +1528,9 @@ void spufs_mfc_callback(struct spu *spu) { struct spu_context *ctx = spu->ctx; + if (!ctx) + return; + wake_up_all(&ctx->mfc_wq); pr_debug("%s %s\n", __FUNCTION__, spu->name); @@ -1375,12 +1577,17 @@ static ssize_t spufs_mfc_read(struct file *file, char __user *buffer, if (size != 4) goto out; - spu_acquire(ctx); + ret = spu_acquire(ctx); + if (ret) + return ret; + + ret = -EINVAL; if (file->f_flags & O_NONBLOCK) { status = ctx->ops->read_mfc_tagstatus(ctx); if (!(status & ctx->tagwait)) ret = -EAGAIN; else + /* XXX(hch): shouldn't we clear ret here? */ ctx->tagwait &= ~status; } else { ret = spufs_wait(ctx->mfc_wq, @@ -1505,7 +1712,11 @@ static ssize_t spufs_mfc_write(struct file *file, const char __user *buffer, if (ret) goto out; - ret = spu_acquire_runnable(ctx, 0); + ret = spu_acquire(ctx); + if (ret) + goto out; + + ret = spufs_wait(ctx->run_wq, ctx->state == SPU_STATE_RUNNABLE); if (ret) goto out; @@ -1539,7 +1750,11 @@ static unsigned int spufs_mfc_poll(struct file *file,poll_table *wait) poll_wait(file, &ctx->mfc_wq, wait); - spu_acquire(ctx); + /* + * For now keep this uninterruptible and also ignore the rule + * that poll should not sleep. Will be fixed later. + */ + mutex_lock(&ctx->state_mutex); ctx->ops->set_mfc_query(ctx, ctx->tagwait, 2); free_elements = ctx->ops->get_mfc_free_elements(ctx); tagstatus = ctx->ops->read_mfc_tagstatus(ctx); @@ -1562,7 +1777,9 @@ static int spufs_mfc_flush(struct file *file, fl_owner_t id) struct spu_context *ctx = file->private_data; int ret; - spu_acquire(ctx); + ret = spu_acquire(ctx); + if (ret) + return ret; #if 0 /* this currently hangs */ ret = spufs_wait(ctx->mfc_wq, @@ -1605,12 +1822,18 @@ static const struct file_operations spufs_mfc_fops = { .mmap = spufs_mfc_mmap, }; -static void spufs_npc_set(void *data, u64 val) +static int spufs_npc_set(void *data, u64 val) { struct spu_context *ctx = data; - spu_acquire(ctx); + int ret; + + ret = spu_acquire(ctx); + if (ret) + return ret; ctx->ops->npc_write(ctx, val); spu_release(ctx); + + return 0; } static u64 spufs_npc_get(struct spu_context *ctx) @@ -1620,13 +1843,19 @@ static u64 spufs_npc_get(struct spu_context *ctx) DEFINE_SPUFS_ATTRIBUTE(spufs_npc_ops, spufs_npc_get, spufs_npc_set, "0x%llx\n", SPU_ATTR_ACQUIRE); -static void spufs_decr_set(void *data, u64 val) +static int spufs_decr_set(void *data, u64 val) { struct spu_context *ctx = data; struct spu_lscsa *lscsa = ctx->csa.lscsa; - spu_acquire_saved(ctx); + int ret; + + ret = spu_acquire_saved(ctx); + if (ret) + return ret; lscsa->decr.slot[0] = (u32) val; spu_release_saved(ctx); + + return 0; } static u64 spufs_decr_get(struct spu_context *ctx) @@ -1637,15 +1866,21 @@ static u64 spufs_decr_get(struct spu_context *ctx) DEFINE_SPUFS_ATTRIBUTE(spufs_decr_ops, spufs_decr_get, spufs_decr_set, "0x%llx\n", SPU_ATTR_ACQUIRE_SAVED); -static void spufs_decr_status_set(void *data, u64 val) +static int spufs_decr_status_set(void *data, u64 val) { struct spu_context *ctx = data; - spu_acquire_saved(ctx); + int ret; + + ret = spu_acquire_saved(ctx); + if (ret) + return ret; if (val) ctx->csa.priv2.mfc_control_RW |= MFC_CNTL_DECREMENTER_RUNNING; else ctx->csa.priv2.mfc_control_RW &= ~MFC_CNTL_DECREMENTER_RUNNING; spu_release_saved(ctx); + + return 0; } static u64 spufs_decr_status_get(struct spu_context *ctx) @@ -1659,13 +1894,19 @@ DEFINE_SPUFS_ATTRIBUTE(spufs_decr_status_ops, spufs_decr_status_get, spufs_decr_status_set, "0x%llx\n", SPU_ATTR_ACQUIRE_SAVED); -static void spufs_event_mask_set(void *data, u64 val) +static int spufs_event_mask_set(void *data, u64 val) { struct spu_context *ctx = data; struct spu_lscsa *lscsa = ctx->csa.lscsa; - spu_acquire_saved(ctx); + int ret; + + ret = spu_acquire_saved(ctx); + if (ret) + return ret; lscsa->event_mask.slot[0] = (u32) val; spu_release_saved(ctx); + + return 0; } static u64 spufs_event_mask_get(struct spu_context *ctx) @@ -1690,13 +1931,19 @@ static u64 spufs_event_status_get(struct spu_context *ctx) DEFINE_SPUFS_ATTRIBUTE(spufs_event_status_ops, spufs_event_status_get, NULL, "0x%llx\n", SPU_ATTR_ACQUIRE_SAVED) -static void spufs_srr0_set(void *data, u64 val) +static int spufs_srr0_set(void *data, u64 val) { struct spu_context *ctx = data; struct spu_lscsa *lscsa = ctx->csa.lscsa; - spu_acquire_saved(ctx); + int ret; + + ret = spu_acquire_saved(ctx); + if (ret) + return ret; lscsa->srr0.slot[0] = (u32) val; spu_release_saved(ctx); + + return 0; } static u64 spufs_srr0_get(struct spu_context *ctx) @@ -1727,10 +1974,12 @@ static u64 spufs_object_id_get(struct spu_context *ctx) return ctx->object_id; } -static void spufs_object_id_set(void *data, u64 id) +static int spufs_object_id_set(void *data, u64 id) { struct spu_context *ctx = data; ctx->object_id = id; + + return 0; } DEFINE_SPUFS_ATTRIBUTE(spufs_object_id_ops, spufs_object_id_get, @@ -1777,13 +2026,13 @@ static const struct file_operations spufs_caps_fops = { static ssize_t __spufs_mbox_info_read(struct spu_context *ctx, char __user *buf, size_t len, loff_t *pos) { - u32 mbox_stat; u32 data; - mbox_stat = ctx->csa.prob.mb_stat_R; - if (mbox_stat & 0x0000ff) { - data = ctx->csa.prob.pu_mb_R; - } + /* EOF if there's no entry in the mbox */ + if (!(ctx->csa.prob.mb_stat_R & 0x0000ff)) + return 0; + + data = ctx->csa.prob.pu_mb_R; return simple_read_from_buffer(buf, len, pos, &data, sizeof data); } @@ -1797,7 +2046,9 @@ static ssize_t spufs_mbox_info_read(struct file *file, char __user *buf, if (!access_ok(VERIFY_WRITE, buf, len)) return -EFAULT; - spu_acquire_saved(ctx); + ret = spu_acquire_saved(ctx); + if (ret) + return ret; spin_lock(&ctx->csa.register_lock); ret = __spufs_mbox_info_read(ctx, buf, len, pos); spin_unlock(&ctx->csa.register_lock); @@ -1815,13 +2066,13 @@ static const struct file_operations spufs_mbox_info_fops = { static ssize_t __spufs_ibox_info_read(struct spu_context *ctx, char __user *buf, size_t len, loff_t *pos) { - u32 ibox_stat; u32 data; - ibox_stat = ctx->csa.prob.mb_stat_R; - if (ibox_stat & 0xff0000) { - data = ctx->csa.priv2.puint_mb_R; - } + /* EOF if there's no entry in the ibox */ + if (!(ctx->csa.prob.mb_stat_R & 0xff0000)) + return 0; + + data = ctx->csa.priv2.puint_mb_R; return simple_read_from_buffer(buf, len, pos, &data, sizeof data); } @@ -1835,7 +2086,9 @@ static ssize_t spufs_ibox_info_read(struct file *file, char __user *buf, if (!access_ok(VERIFY_WRITE, buf, len)) return -EFAULT; - spu_acquire_saved(ctx); + ret = spu_acquire_saved(ctx); + if (ret) + return ret; spin_lock(&ctx->csa.register_lock); ret = __spufs_ibox_info_read(ctx, buf, len, pos); spin_unlock(&ctx->csa.register_lock); @@ -1876,7 +2129,9 @@ static ssize_t spufs_wbox_info_read(struct file *file, char __user *buf, if (!access_ok(VERIFY_WRITE, buf, len)) return -EFAULT; - spu_acquire_saved(ctx); + ret = spu_acquire_saved(ctx); + if (ret) + return ret; spin_lock(&ctx->csa.register_lock); ret = __spufs_wbox_info_read(ctx, buf, len, pos); spin_unlock(&ctx->csa.register_lock); @@ -1926,7 +2181,9 @@ static ssize_t spufs_dma_info_read(struct file *file, char __user *buf, if (!access_ok(VERIFY_WRITE, buf, len)) return -EFAULT; - spu_acquire_saved(ctx); + ret = spu_acquire_saved(ctx); + if (ret) + return ret; spin_lock(&ctx->csa.register_lock); ret = __spufs_dma_info_read(ctx, buf, len, pos); spin_unlock(&ctx->csa.register_lock); @@ -1977,7 +2234,9 @@ static ssize_t spufs_proxydma_info_read(struct file *file, char __user *buf, struct spu_context *ctx = file->private_data; int ret; - spu_acquire_saved(ctx); + ret = spu_acquire_saved(ctx); + if (ret) + return ret; spin_lock(&ctx->csa.register_lock); ret = __spufs_proxydma_info_read(ctx, buf, len, pos); spin_unlock(&ctx->csa.register_lock); @@ -2066,8 +2325,12 @@ static unsigned long long spufs_class2_intrs(struct spu_context *ctx) static int spufs_show_stat(struct seq_file *s, void *private) { struct spu_context *ctx = s->private; + int ret; + + ret = spu_acquire(ctx); + if (ret) + return ret; - spu_acquire(ctx); seq_printf(s, "%s %llu %llu %llu %llu " "%llu %llu %llu %llu %llu %llu %llu %llu\n", ctx_state_names[ctx->stats.util_state], diff --git a/arch/powerpc/platforms/cell/spufs/hw_ops.c b/arch/powerpc/platforms/cell/spufs/hw_ops.c index fc4ed1ffbd4f..64f8540b832c 100644 --- a/arch/powerpc/platforms/cell/spufs/hw_ops.c +++ b/arch/powerpc/platforms/cell/spufs/hw_ops.c @@ -76,16 +76,18 @@ static unsigned int spu_hw_mbox_stat_poll(struct spu_context *ctx, if (stat & 0xff0000) ret |= POLLIN | POLLRDNORM; else { - spu_int_stat_clear(spu, 2, 0x1); - spu_int_mask_or(spu, 2, 0x1); + spu_int_stat_clear(spu, 2, CLASS2_MAILBOX_INTR); + spu_int_mask_or(spu, 2, CLASS2_ENABLE_MAILBOX_INTR); } } if (events & (POLLOUT | POLLWRNORM)) { if (stat & 0x00ff00) ret = POLLOUT | POLLWRNORM; else { - spu_int_stat_clear(spu, 2, 0x10); - spu_int_mask_or(spu, 2, 0x10); + spu_int_stat_clear(spu, 2, + CLASS2_MAILBOX_THRESHOLD_INTR); + spu_int_mask_or(spu, 2, + CLASS2_ENABLE_MAILBOX_THRESHOLD_INTR); } } spin_unlock_irq(&spu->register_lock); @@ -106,7 +108,7 @@ static int spu_hw_ibox_read(struct spu_context *ctx, u32 * data) ret = 4; } else { /* make sure we get woken up by the interrupt */ - spu_int_mask_or(spu, 2, 0x1); + spu_int_mask_or(spu, 2, CLASS2_ENABLE_MAILBOX_INTR); ret = 0; } spin_unlock_irq(&spu->register_lock); @@ -127,7 +129,7 @@ static int spu_hw_wbox_write(struct spu_context *ctx, u32 data) } else { /* make sure we get woken up by the interrupt when space becomes available */ - spu_int_mask_or(spu, 2, 0x10); + spu_int_mask_or(spu, 2, CLASS2_ENABLE_MAILBOX_THRESHOLD_INTR); ret = 0; } spin_unlock_irq(&spu->register_lock); @@ -206,6 +208,11 @@ static char *spu_hw_get_ls(struct spu_context *ctx) return ctx->spu->local_store; } +static void spu_hw_privcntl_write(struct spu_context *ctx, u64 val) +{ + out_be64(&ctx->spu->priv2->spu_privcntl_RW, val); +} + static u32 spu_hw_runcntl_read(struct spu_context *ctx) { return in_be32(&ctx->spu->problem->spu_runcntl_RW); @@ -215,11 +222,21 @@ static void spu_hw_runcntl_write(struct spu_context *ctx, u32 val) { spin_lock_irq(&ctx->spu->register_lock); if (val & SPU_RUNCNTL_ISOLATE) - out_be64(&ctx->spu->priv2->spu_privcntl_RW, 4LL); + spu_hw_privcntl_write(ctx, + SPU_PRIVCNT_LOAD_REQUEST_ENABLE_MASK); out_be32(&ctx->spu->problem->spu_runcntl_RW, val); spin_unlock_irq(&ctx->spu->register_lock); } +static void spu_hw_runcntl_stop(struct spu_context *ctx) +{ + spin_lock_irq(&ctx->spu->register_lock); + out_be32(&ctx->spu->problem->spu_runcntl_RW, SPU_RUNCNTL_STOP); + while (in_be32(&ctx->spu->problem->spu_status_R) & SPU_STATUS_RUNNING) + cpu_relax(); + spin_unlock_irq(&ctx->spu->register_lock); +} + static void spu_hw_master_start(struct spu_context *ctx) { struct spu *spu = ctx->spu; @@ -319,8 +336,10 @@ struct spu_context_ops spu_hw_ops = { .npc_write = spu_hw_npc_write, .status_read = spu_hw_status_read, .get_ls = spu_hw_get_ls, + .privcntl_write = spu_hw_privcntl_write, .runcntl_read = spu_hw_runcntl_read, .runcntl_write = spu_hw_runcntl_write, + .runcntl_stop = spu_hw_runcntl_stop, .master_start = spu_hw_master_start, .master_stop = spu_hw_master_stop, .set_mfc_query = spu_hw_set_mfc_query, diff --git a/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c b/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c index f4b3c052dabf..0e9f325c9ff7 100644 --- a/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c +++ b/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c @@ -28,6 +28,8 @@ #include <asm/spu_csa.h> #include <asm/mmu.h> +#include "spufs.h" + static int spu_alloc_lscsa_std(struct spu_state *csa) { struct spu_lscsa *lscsa; @@ -73,7 +75,7 @@ int spu_alloc_lscsa(struct spu_state *csa) int i, j, n_4k; /* Check availability of 64K pages */ - if (mmu_psize_defs[MMU_PAGE_64K].shift == 0) + if (!spu_64k_pages_available()) goto fail; csa->use_big_pages = 1; diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c index 1ce5e22ea5f4..c01a09da1e56 100644 --- a/arch/powerpc/platforms/cell/spufs/run.c +++ b/arch/powerpc/platforms/cell/spufs/run.c @@ -15,24 +15,55 @@ void spufs_stop_callback(struct spu *spu) { struct spu_context *ctx = spu->ctx; - wake_up_all(&ctx->stop_wq); + /* + * It should be impossible to preempt a context while an exception + * is being processed, since the context switch code is specially + * coded to deal with interrupts ... But, just in case, sanity check + * the context pointer. It is OK to return doing nothing since + * the exception will be regenerated when the context is resumed. + */ + if (ctx) { + /* Copy exception arguments into module specific structure */ + ctx->csa.class_0_pending = spu->class_0_pending; + ctx->csa.dsisr = spu->dsisr; + ctx->csa.dar = spu->dar; + + /* ensure that the exception status has hit memory before a + * thread waiting on the context's stop queue is woken */ + smp_wmb(); + + wake_up_all(&ctx->stop_wq); + } + + /* Clear callback arguments from spu structure */ + spu->class_0_pending = 0; + spu->dsisr = 0; + spu->dar = 0; } -static inline int spu_stopped(struct spu_context *ctx, u32 *stat) +int spu_stopped(struct spu_context *ctx, u32 *stat) { - struct spu *spu; - u64 pte_fault; + u64 dsisr; + u32 stopped; *stat = ctx->ops->status_read(ctx); - spu = ctx->spu; - if (ctx->state != SPU_STATE_RUNNABLE || - test_bit(SPU_SCHED_NOTIFY_ACTIVE, &ctx->sched_flags)) + if (test_bit(SPU_SCHED_NOTIFY_ACTIVE, &ctx->sched_flags)) return 1; - pte_fault = spu->dsisr & - (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED); - return (!(*stat & SPU_STATUS_RUNNING) || pte_fault || spu->class_0_pending) ? - 1 : 0; + + stopped = SPU_STATUS_INVALID_INSTR | SPU_STATUS_SINGLE_STEP | + SPU_STATUS_STOPPED_BY_HALT | SPU_STATUS_STOPPED_BY_STOP; + if (*stat & stopped) + return 1; + + dsisr = ctx->csa.dsisr; + if (dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED)) + return 1; + + if (ctx->csa.class_0_pending) + return 1; + + return 0; } static int spu_setup_isolated(struct spu_context *ctx) @@ -128,34 +159,66 @@ out: static int spu_run_init(struct spu_context *ctx, u32 *npc) { + unsigned long runcntl = SPU_RUNCNTL_RUNNABLE; + int ret; + spuctx_switch_state(ctx, SPU_UTIL_SYSTEM); - if (ctx->flags & SPU_CREATE_ISOLATE) { - unsigned long runcntl; + /* + * NOSCHED is synchronous scheduling with respect to the caller. + * The caller waits for the context to be loaded. + */ + if (ctx->flags & SPU_CREATE_NOSCHED) { + if (ctx->state == SPU_STATE_SAVED) { + ret = spu_activate(ctx, 0); + if (ret) + return ret; + } + } + /* + * Apply special setup as required. + */ + if (ctx->flags & SPU_CREATE_ISOLATE) { if (!(ctx->ops->status_read(ctx) & SPU_STATUS_ISOLATED_STATE)) { - int ret = spu_setup_isolated(ctx); + ret = spu_setup_isolated(ctx); if (ret) return ret; } - /* if userspace has set the runcntrl register (eg, to issue an - * isolated exit), we need to re-set it here */ + /* + * If userspace has set the runcntrl register (eg, to + * issue an isolated exit), we need to re-set it here + */ runcntl = ctx->ops->runcntl_read(ctx) & (SPU_RUNCNTL_RUNNABLE | SPU_RUNCNTL_ISOLATE); if (runcntl == 0) runcntl = SPU_RUNCNTL_RUNNABLE; + } + + if (ctx->flags & SPU_CREATE_NOSCHED) { + spuctx_switch_state(ctx, SPU_UTIL_USER); ctx->ops->runcntl_write(ctx, runcntl); } else { - unsigned long mode = SPU_PRIVCNTL_MODE_NORMAL; - ctx->ops->npc_write(ctx, *npc); + unsigned long privcntl; + if (test_thread_flag(TIF_SINGLESTEP)) - mode = SPU_PRIVCNTL_MODE_SINGLE_STEP; - out_be64(&ctx->spu->priv2->spu_privcntl_RW, mode); - ctx->ops->runcntl_write(ctx, SPU_RUNCNTL_RUNNABLE); - } + privcntl = SPU_PRIVCNTL_MODE_SINGLE_STEP; + else + privcntl = SPU_PRIVCNTL_MODE_NORMAL; - spuctx_switch_state(ctx, SPU_UTIL_USER); + ctx->ops->npc_write(ctx, *npc); + ctx->ops->privcntl_write(ctx, privcntl); + ctx->ops->runcntl_write(ctx, runcntl); + + if (ctx->state == SPU_STATE_SAVED) { + ret = spu_activate(ctx, 0); + if (ret) + return ret; + } else { + spuctx_switch_state(ctx, SPU_UTIL_USER); + } + } return 0; } @@ -165,6 +228,8 @@ static int spu_run_fini(struct spu_context *ctx, u32 *npc, { int ret = 0; + spu_del_from_rq(ctx); + *status = ctx->ops->status_read(ctx); *npc = ctx->ops->npc_read(ctx); @@ -177,26 +242,6 @@ static int spu_run_fini(struct spu_context *ctx, u32 *npc, return ret; } -static int spu_reacquire_runnable(struct spu_context *ctx, u32 *npc, - u32 *status) -{ - int ret; - - ret = spu_run_fini(ctx, npc, status); - if (ret) - return ret; - - if (*status & (SPU_STATUS_STOPPED_BY_STOP | SPU_STATUS_STOPPED_BY_HALT)) - return *status; - - ret = spu_acquire_runnable(ctx, 0); - if (ret) - return ret; - - spuctx_switch_state(ctx, SPU_UTIL_USER); - return 0; -} - /* * SPU syscall restarting is tricky because we violate the basic * assumption that the signal handler is running on the interrupted @@ -247,7 +292,7 @@ static int spu_process_callback(struct spu_context *ctx) u32 ls_pointer, npc; void __iomem *ls; long spu_ret; - int ret; + int ret, ret2; /* get syscall block from local store */ npc = ctx->ops->npc_read(ctx) & ~3; @@ -269,9 +314,11 @@ static int spu_process_callback(struct spu_context *ctx) if (spu_ret <= -ERESTARTSYS) { ret = spu_handle_restartsys(ctx, &spu_ret, &npc); } - spu_acquire(ctx); + ret2 = spu_acquire(ctx); if (ret == -ERESTARTSYS) return ret; + if (ret2) + return -EINTR; } /* write result, jump over indirect pointer */ @@ -281,18 +328,6 @@ static int spu_process_callback(struct spu_context *ctx) return ret; } -static inline int spu_process_events(struct spu_context *ctx) -{ - struct spu *spu = ctx->spu; - int ret = 0; - - if (spu->class_0_pending) - ret = spu_irq_class_0_bottom(spu); - if (!ret && signal_pending(current)) - ret = -ERESTARTSYS; - return ret; -} - long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *event) { int ret; @@ -302,29 +337,14 @@ long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *event) if (mutex_lock_interruptible(&ctx->run_mutex)) return -ERESTARTSYS; - ctx->ops->master_start(ctx); + spu_enable_spu(ctx); ctx->event_return = 0; - spu_acquire(ctx); - if (ctx->state == SPU_STATE_SAVED) { - __spu_update_sched_info(ctx); - spu_set_timeslice(ctx); + ret = spu_acquire(ctx); + if (ret) + goto out_unlock; - ret = spu_activate(ctx, 0); - if (ret) { - spu_release(ctx); - goto out; - } - } else { - /* - * We have to update the scheduling priority under active_mutex - * to protect against find_victim(). - * - * No need to update the timeslice ASAP, it will get updated - * once the current one has expired. - */ - spu_update_sched_info(ctx); - } + spu_update_sched_info(ctx); ret = spu_run_init(ctx, npc); if (ret) { @@ -358,14 +378,12 @@ long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *event) if (ret) break; - if (unlikely(ctx->state != SPU_STATE_RUNNABLE)) { - ret = spu_reacquire_runnable(ctx, npc, &status); - if (ret) - goto out2; - continue; - } - ret = spu_process_events(ctx); + ret = spufs_handle_class0(ctx); + if (ret) + break; + if (signal_pending(current)) + ret = -ERESTARTSYS; } while (!ret && !(status & (SPU_STATUS_STOPPED_BY_STOP | SPU_STATUS_STOPPED_BY_HALT | SPU_STATUS_SINGLE_STEP))); @@ -376,11 +394,10 @@ long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *event) ctx->stats.libassist++; - ctx->ops->master_stop(ctx); + spu_disable_spu(ctx); ret = spu_run_fini(ctx, npc, &status); spu_yield(ctx); -out2: if ((ret == 0) || ((ret == -ERESTARTSYS) && ((status & SPU_STATUS_STOPPED_BY_HALT) || @@ -401,6 +418,7 @@ out2: out: *event = ctx->event_return; +out_unlock: mutex_unlock(&ctx->run_mutex); return ret; } diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 4d257b3f9336..8c8af11b35b4 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -58,6 +58,7 @@ static unsigned long spu_avenrun[3]; static struct spu_prio_array *spu_prio; static struct task_struct *spusched_task; static struct timer_list spusched_timer; +static struct timer_list spuloadavg_timer; /* * Priority of a normal, non-rt, non-niced'd process (aka nice level 0). @@ -105,15 +106,21 @@ void spu_set_timeslice(struct spu_context *ctx) void __spu_update_sched_info(struct spu_context *ctx) { /* - * 32-Bit assignment are atomic on powerpc, and we don't care about - * memory ordering here because retriving the controlling thread is - * per defintion racy. + * assert that the context is not on the runqueue, so it is safe + * to change its scheduling parameters. + */ + BUG_ON(!list_empty(&ctx->rq)); + + /* + * 32-Bit assignments are atomic on powerpc, and we don't care about + * memory ordering here because retrieving the controlling thread is + * per definition racy. */ ctx->tid = current->pid; /* * We do our own priority calculations, so we normally want - * ->static_prio to start with. Unfortunately thies field + * ->static_prio to start with. Unfortunately this field * contains junk for threads with a realtime scheduling * policy so we have to look at ->prio in this case. */ @@ -124,23 +131,32 @@ void __spu_update_sched_info(struct spu_context *ctx) ctx->policy = current->policy; /* - * A lot of places that don't hold list_mutex poke into - * cpus_allowed, including grab_runnable_context which - * already holds the runq_lock. So abuse runq_lock - * to protect this field aswell. + * TO DO: the context may be loaded, so we may need to activate + * it again on a different node. But it shouldn't hurt anything + * to update its parameters, because we know that the scheduler + * is not actively looking at this field, since it is not on the + * runqueue. The context will be rescheduled on the proper node + * if it is timesliced or preempted. */ - spin_lock(&spu_prio->runq_lock); ctx->cpus_allowed = current->cpus_allowed; - spin_unlock(&spu_prio->runq_lock); } void spu_update_sched_info(struct spu_context *ctx) { - int node = ctx->spu->node; + int node; - mutex_lock(&cbe_spu_info[node].list_mutex); - __spu_update_sched_info(ctx); - mutex_unlock(&cbe_spu_info[node].list_mutex); + if (ctx->state == SPU_STATE_RUNNABLE) { + node = ctx->spu->node; + + /* + * Take list_mutex to sync with find_victim(). + */ + mutex_lock(&cbe_spu_info[node].list_mutex); + __spu_update_sched_info(ctx); + mutex_unlock(&cbe_spu_info[node].list_mutex); + } else { + __spu_update_sched_info(ctx); + } } static int __node_allowed(struct spu_context *ctx, int node) @@ -182,7 +198,7 @@ static void notify_spus_active(void) * Wake up the active spu_contexts. * * When the awakened processes see their "notify_active" flag is set, - * they will call spu_switch_notify(); + * they will call spu_switch_notify(). */ for_each_online_node(node) { struct spu *spu; @@ -245,7 +261,6 @@ static void spu_bind_context(struct spu *spu, struct spu_context *ctx) spu->wbox_callback = spufs_wbox_callback; spu->stop_callback = spufs_stop_callback; spu->mfc_callback = spufs_mfc_callback; - spu->dma_callback = spufs_dma_callback; mb(); spu_unmap_mappings(ctx); spu_restore(&ctx->csa, spu); @@ -433,7 +448,6 @@ static void spu_unbind_context(struct spu *spu, struct spu_context *ctx) spu->wbox_callback = NULL; spu->stop_callback = NULL; spu->mfc_callback = NULL; - spu->dma_callback = NULL; spu_associate_mm(spu, NULL); spu->pid = 0; spu->tgid = 0; @@ -478,6 +492,13 @@ static void __spu_add_to_rq(struct spu_context *ctx) } } +static void spu_add_to_rq(struct spu_context *ctx) +{ + spin_lock(&spu_prio->runq_lock); + __spu_add_to_rq(ctx); + spin_unlock(&spu_prio->runq_lock); +} + static void __spu_del_from_rq(struct spu_context *ctx) { int prio = ctx->prio; @@ -492,10 +513,24 @@ static void __spu_del_from_rq(struct spu_context *ctx) } } +void spu_del_from_rq(struct spu_context *ctx) +{ + spin_lock(&spu_prio->runq_lock); + __spu_del_from_rq(ctx); + spin_unlock(&spu_prio->runq_lock); +} + static void spu_prio_wait(struct spu_context *ctx) { DEFINE_WAIT(wait); + /* + * The caller must explicitly wait for a context to be loaded + * if the nosched flag is set. If NOSCHED is not set, the caller + * queues the context and waits for an spu event or error. + */ + BUG_ON(!(ctx->flags & SPU_CREATE_NOSCHED)); + spin_lock(&spu_prio->runq_lock); prepare_to_wait_exclusive(&ctx->stop_wq, &wait, TASK_INTERRUPTIBLE); if (!signal_pending(current)) { @@ -579,7 +614,7 @@ static struct spu *find_victim(struct spu_context *ctx) /* * Look for a possible preemption candidate on the local node first. * If there is no candidate look at the other nodes. This isn't - * exactly fair, but so far the whole spu schedule tries to keep + * exactly fair, but so far the whole spu scheduler tries to keep * a strong node affinity. We might want to fine-tune this in * the future. */ @@ -595,6 +630,7 @@ static struct spu *find_victim(struct spu_context *ctx) struct spu_context *tmp = spu->ctx; if (tmp && tmp->prio > ctx->prio && + !(tmp->flags & SPU_CREATE_NOSCHED) && (!victim || tmp->prio > victim->prio)) victim = spu->ctx; } @@ -606,6 +642,10 @@ static struct spu *find_victim(struct spu_context *ctx) * higher priority contexts before lower priority * ones, so this is safe until we introduce * priority inheritance schemes. + * + * XXX if the highest priority context is locked, + * this can loop a long time. Might be better to + * look at another context or give up after X retries. */ if (!mutex_trylock(&victim->state_mutex)) { victim = NULL; @@ -613,10 +653,10 @@ static struct spu *find_victim(struct spu_context *ctx) } spu = victim->spu; - if (!spu) { + if (!spu || victim->prio <= ctx->prio) { /* * This race can happen because we've dropped - * the active list mutex. No a problem, just + * the active list mutex. Not a problem, just * restart the search. */ mutex_unlock(&victim->state_mutex); @@ -631,13 +671,10 @@ static struct spu *find_victim(struct spu_context *ctx) victim->stats.invol_ctx_switch++; spu->stats.invol_ctx_switch++; + spu_add_to_rq(victim); + mutex_unlock(&victim->state_mutex); - /* - * We need to break out of the wait loop in spu_run - * manually to ensure this context gets put on the - * runqueue again ASAP. - */ - wake_up(&victim->stop_wq); + return spu; } } @@ -645,6 +682,50 @@ static struct spu *find_victim(struct spu_context *ctx) return NULL; } +static void __spu_schedule(struct spu *spu, struct spu_context *ctx) +{ + int node = spu->node; + int success = 0; + + spu_set_timeslice(ctx); + + mutex_lock(&cbe_spu_info[node].list_mutex); + if (spu->ctx == NULL) { + spu_bind_context(spu, ctx); + cbe_spu_info[node].nr_active++; + spu->alloc_state = SPU_USED; + success = 1; + } + mutex_unlock(&cbe_spu_info[node].list_mutex); + + if (success) + wake_up_all(&ctx->run_wq); + else + spu_add_to_rq(ctx); +} + +static void spu_schedule(struct spu *spu, struct spu_context *ctx) +{ + /* not a candidate for interruptible because it's called either + from the scheduler thread or from spu_deactivate */ + mutex_lock(&ctx->state_mutex); + __spu_schedule(spu, ctx); + spu_release(ctx); +} + +static void spu_unschedule(struct spu *spu, struct spu_context *ctx) +{ + int node = spu->node; + + mutex_lock(&cbe_spu_info[node].list_mutex); + cbe_spu_info[node].nr_active--; + spu->alloc_state = SPU_FREE; + spu_unbind_context(spu, ctx); + ctx->stats.invol_ctx_switch++; + spu->stats.invol_ctx_switch++; + mutex_unlock(&cbe_spu_info[node].list_mutex); +} + /** * spu_activate - find a free spu for a context and execute it * @ctx: spu context to schedule @@ -656,39 +737,47 @@ static struct spu *find_victim(struct spu_context *ctx) */ int spu_activate(struct spu_context *ctx, unsigned long flags) { - do { - struct spu *spu; + struct spu *spu; - /* - * If there are multiple threads waiting for a single context - * only one actually binds the context while the others will - * only be able to acquire the state_mutex once the context - * already is in runnable state. - */ - if (ctx->spu) - return 0; + /* + * If there are multiple threads waiting for a single context + * only one actually binds the context while the others will + * only be able to acquire the state_mutex once the context + * already is in runnable state. + */ + if (ctx->spu) + return 0; - spu = spu_get_idle(ctx); - /* - * If this is a realtime thread we try to get it running by - * preempting a lower priority thread. - */ - if (!spu && rt_prio(ctx->prio)) - spu = find_victim(ctx); - if (spu) { - int node = spu->node; +spu_activate_top: + if (signal_pending(current)) + return -ERESTARTSYS; - mutex_lock(&cbe_spu_info[node].list_mutex); - spu_bind_context(spu, ctx); - cbe_spu_info[node].nr_active++; - mutex_unlock(&cbe_spu_info[node].list_mutex); - return 0; - } + spu = spu_get_idle(ctx); + /* + * If this is a realtime thread we try to get it running by + * preempting a lower priority thread. + */ + if (!spu && rt_prio(ctx->prio)) + spu = find_victim(ctx); + if (spu) { + unsigned long runcntl; + + runcntl = ctx->ops->runcntl_read(ctx); + __spu_schedule(spu, ctx); + if (runcntl & SPU_RUNCNTL_RUNNABLE) + spuctx_switch_state(ctx, SPU_UTIL_USER); + return 0; + } + + if (ctx->flags & SPU_CREATE_NOSCHED) { spu_prio_wait(ctx); - } while (!signal_pending(current)); + goto spu_activate_top; + } - return -ERESTARTSYS; + spu_add_to_rq(ctx); + + return 0; } /** @@ -730,21 +819,19 @@ static int __spu_deactivate(struct spu_context *ctx, int force, int max_prio) if (spu) { new = grab_runnable_context(max_prio, spu->node); if (new || force) { - int node = spu->node; - - mutex_lock(&cbe_spu_info[node].list_mutex); - spu_unbind_context(spu, ctx); - spu->alloc_state = SPU_FREE; - cbe_spu_info[node].nr_active--; - mutex_unlock(&cbe_spu_info[node].list_mutex); - - ctx->stats.vol_ctx_switch++; - spu->stats.vol_ctx_switch++; - - if (new) - wake_up(&new->stop_wq); + spu_unschedule(spu, ctx); + if (new) { + if (new->flags & SPU_CREATE_NOSCHED) + wake_up(&new->stop_wq); + else { + spu_release(ctx); + spu_schedule(spu, new); + /* this one can't easily be made + interruptible */ + mutex_lock(&ctx->state_mutex); + } + } } - } return new != NULL; @@ -781,43 +868,38 @@ void spu_yield(struct spu_context *ctx) static noinline void spusched_tick(struct spu_context *ctx) { + struct spu_context *new = NULL; + struct spu *spu = NULL; + u32 status; + + if (spu_acquire(ctx)) + BUG(); /* a kernel thread never has signals pending */ + + if (ctx->state != SPU_STATE_RUNNABLE) + goto out; + if (spu_stopped(ctx, &status)) + goto out; if (ctx->flags & SPU_CREATE_NOSCHED) - return; + goto out; if (ctx->policy == SCHED_FIFO) - return; + goto out; if (--ctx->time_slice) - return; + goto out; - /* - * Unfortunately list_mutex ranks outside of state_mutex, so - * we have to trylock here. If we fail give the context another - * tick and try again. - */ - if (mutex_trylock(&ctx->state_mutex)) { - struct spu *spu = ctx->spu; - struct spu_context *new; - - new = grab_runnable_context(ctx->prio + 1, spu->node); - if (new) { - spu_unbind_context(spu, ctx); - ctx->stats.invol_ctx_switch++; - spu->stats.invol_ctx_switch++; - spu->alloc_state = SPU_FREE; - cbe_spu_info[spu->node].nr_active--; - wake_up(&new->stop_wq); - /* - * We need to break out of the wait loop in - * spu_run manually to ensure this context - * gets put on the runqueue again ASAP. - */ - wake_up(&ctx->stop_wq); - } - spu_set_timeslice(ctx); - mutex_unlock(&ctx->state_mutex); + spu = ctx->spu; + new = grab_runnable_context(ctx->prio + 1, spu->node); + if (new) { + spu_unschedule(spu, ctx); + spu_add_to_rq(ctx); } else { ctx->time_slice++; } +out: + spu_release(ctx); + + if (new) + spu_schedule(spu, new); } /** @@ -841,35 +923,31 @@ static unsigned long count_active_contexts(void) } /** - * spu_calc_load - given tick count, update the avenrun load estimates. - * @tick: tick count + * spu_calc_load - update the avenrun load estimates. * * No locking against reading these values from userspace, as for * the CPU loadavg code. */ -static void spu_calc_load(unsigned long ticks) +static void spu_calc_load(void) { unsigned long active_tasks; /* fixed-point */ - static int count = LOAD_FREQ; - - count -= ticks; - - if (unlikely(count < 0)) { - active_tasks = count_active_contexts() * FIXED_1; - do { - CALC_LOAD(spu_avenrun[0], EXP_1, active_tasks); - CALC_LOAD(spu_avenrun[1], EXP_5, active_tasks); - CALC_LOAD(spu_avenrun[2], EXP_15, active_tasks); - count += LOAD_FREQ; - } while (count < 0); - } + + active_tasks = count_active_contexts() * FIXED_1; + CALC_LOAD(spu_avenrun[0], EXP_1, active_tasks); + CALC_LOAD(spu_avenrun[1], EXP_5, active_tasks); + CALC_LOAD(spu_avenrun[2], EXP_15, active_tasks); } static void spusched_wake(unsigned long data) { mod_timer(&spusched_timer, jiffies + SPUSCHED_TICK); wake_up_process(spusched_task); - spu_calc_load(SPUSCHED_TICK); +} + +static void spuloadavg_wake(unsigned long data) +{ + mod_timer(&spuloadavg_timer, jiffies + LOAD_FREQ); + spu_calc_load(); } static int spusched_thread(void *unused) @@ -881,17 +959,58 @@ static int spusched_thread(void *unused) set_current_state(TASK_INTERRUPTIBLE); schedule(); for (node = 0; node < MAX_NUMNODES; node++) { - mutex_lock(&cbe_spu_info[node].list_mutex); - list_for_each_entry(spu, &cbe_spu_info[node].spus, cbe_list) - if (spu->ctx) - spusched_tick(spu->ctx); - mutex_unlock(&cbe_spu_info[node].list_mutex); + struct mutex *mtx = &cbe_spu_info[node].list_mutex; + + mutex_lock(mtx); + list_for_each_entry(spu, &cbe_spu_info[node].spus, + cbe_list) { + struct spu_context *ctx = spu->ctx; + + if (ctx) { + mutex_unlock(mtx); + spusched_tick(ctx); + mutex_lock(mtx); + } + } + mutex_unlock(mtx); } } return 0; } +void spuctx_switch_state(struct spu_context *ctx, + enum spu_utilization_state new_state) +{ + unsigned long long curtime; + signed long long delta; + struct timespec ts; + struct spu *spu; + enum spu_utilization_state old_state; + + ktime_get_ts(&ts); + curtime = timespec_to_ns(&ts); + delta = curtime - ctx->stats.tstamp; + + WARN_ON(!mutex_is_locked(&ctx->state_mutex)); + WARN_ON(delta < 0); + + spu = ctx->spu; + old_state = ctx->stats.util_state; + ctx->stats.util_state = new_state; + ctx->stats.tstamp = curtime; + + /* + * Update the physical SPU utilization statistics. + */ + if (spu) { + ctx->stats.times[old_state] += delta; + spu->stats.times[old_state] += delta; + spu->stats.util_state = new_state; + spu->stats.tstamp = curtime; + } +} + #define LOAD_INT(x) ((x) >> FSHIFT) #define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100) @@ -905,7 +1024,7 @@ static int show_spu_loadavg(struct seq_file *s, void *private) /* * Note that last_pid doesn't really make much sense for the - * SPU loadavg (it even seems very odd on the CPU side..), + * SPU loadavg (it even seems very odd on the CPU side...), * but we include it here to have a 100% compatible interface. */ seq_printf(s, "%d.%02d %d.%02d %d.%02d %ld/%d %d\n", @@ -946,6 +1065,7 @@ int __init spu_sched_init(void) spin_lock_init(&spu_prio->runq_lock); setup_timer(&spusched_timer, spusched_wake, 0); + setup_timer(&spuloadavg_timer, spuloadavg_wake, 0); spusched_task = kthread_run(spusched_thread, NULL, "spusched"); if (IS_ERR(spusched_task)) { @@ -953,6 +1073,8 @@ int __init spu_sched_init(void) goto out_free_spu_prio; } + mod_timer(&spuloadavg_timer, 0); + entry = create_proc_entry("spu_loadavg", 0, NULL); if (!entry) goto out_stop_kthread; @@ -978,6 +1100,7 @@ void spu_sched_exit(void) remove_proc_entry("spu_loadavg", NULL); del_timer_sync(&spusched_timer); + del_timer_sync(&spuloadavg_timer); kthread_stop(spusched_task); for (node = 0; node < MAX_NUMNODES; node++) { diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index ca47b991bda5..0e114038ea6f 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -71,6 +71,7 @@ struct spu_context { wait_queue_head_t wbox_wq; wait_queue_head_t stop_wq; wait_queue_head_t mfc_wq; + wait_queue_head_t run_wq; struct fasync_struct *ibox_fasync; struct fasync_struct *wbox_fasync; struct fasync_struct *mfc_fasync; @@ -168,8 +169,10 @@ struct spu_context_ops { void (*npc_write) (struct spu_context * ctx, u32 data); u32(*status_read) (struct spu_context * ctx); char*(*get_ls) (struct spu_context * ctx); + void (*privcntl_write) (struct spu_context *ctx, u64 data); u32 (*runcntl_read) (struct spu_context * ctx); void (*runcntl_write) (struct spu_context * ctx, u32 data); + void (*runcntl_stop) (struct spu_context * ctx); void (*master_start) (struct spu_context * ctx); void (*master_stop) (struct spu_context * ctx); int (*set_mfc_query)(struct spu_context * ctx, u32 mask, u32 mode); @@ -219,15 +222,16 @@ void spu_gang_add_ctx(struct spu_gang *gang, struct spu_context *ctx); /* fault handling */ int spufs_handle_class1(struct spu_context *ctx); +int spufs_handle_class0(struct spu_context *ctx); /* affinity */ struct spu *affinity_check(struct spu_context *ctx); /* context management */ extern atomic_t nr_spu_contexts; -static inline void spu_acquire(struct spu_context *ctx) +static inline int __must_check spu_acquire(struct spu_context *ctx) { - mutex_lock(&ctx->state_mutex); + return mutex_lock_interruptible(&ctx->state_mutex); } static inline void spu_release(struct spu_context *ctx) @@ -242,10 +246,11 @@ int put_spu_context(struct spu_context *ctx); void spu_unmap_mappings(struct spu_context *ctx); void spu_forget(struct spu_context *ctx); -int spu_acquire_runnable(struct spu_context *ctx, unsigned long flags); -void spu_acquire_saved(struct spu_context *ctx); +int __must_check spu_acquire_saved(struct spu_context *ctx); void spu_release_saved(struct spu_context *ctx); +int spu_stopped(struct spu_context *ctx, u32 * stat); +void spu_del_from_rq(struct spu_context *ctx); int spu_activate(struct spu_context *ctx, unsigned long flags); void spu_deactivate(struct spu_context *ctx); void spu_yield(struct spu_context *ctx); @@ -279,7 +284,9 @@ extern char *isolated_loader; } \ spu_release(ctx); \ schedule(); \ - spu_acquire(ctx); \ + __ret = spu_acquire(ctx); \ + if (__ret) \ + break; \ } \ finish_wait(&(wq), &__wait); \ __ret; \ @@ -306,41 +313,16 @@ struct spufs_coredump_reader { extern struct spufs_coredump_reader spufs_coredump_read[]; extern int spufs_coredump_num_notes; -/* - * This function is a little bit too large for an inline, but - * as fault.c is built into the kernel we can't move it out of - * line. - */ -static inline void spuctx_switch_state(struct spu_context *ctx, - enum spu_utilization_state new_state) -{ - unsigned long long curtime; - signed long long delta; - struct timespec ts; - struct spu *spu; - enum spu_utilization_state old_state; - - ktime_get_ts(&ts); - curtime = timespec_to_ns(&ts); - delta = curtime - ctx->stats.tstamp; - - WARN_ON(!mutex_is_locked(&ctx->state_mutex)); - WARN_ON(delta < 0); - - spu = ctx->spu; - old_state = ctx->stats.util_state; - ctx->stats.util_state = new_state; - ctx->stats.tstamp = curtime; - - /* - * Update the physical SPU utilization statistics. - */ - if (spu) { - ctx->stats.times[old_state] += delta; - spu->stats.times[old_state] += delta; - spu->stats.util_state = new_state; - spu->stats.tstamp = curtime; - } -} +extern int spu_init_csa(struct spu_state *csa); +extern void spu_fini_csa(struct spu_state *csa); +extern int spu_save(struct spu_state *prev, struct spu *spu); +extern int spu_restore(struct spu_state *new, struct spu *spu); +extern int spu_switch(struct spu_state *prev, struct spu_state *new, + struct spu *spu); +extern int spu_alloc_lscsa(struct spu_state *csa); +extern void spu_free_lscsa(struct spu_state *csa); + +extern void spuctx_switch_state(struct spu_context *ctx, + enum spu_utilization_state new_state); #endif diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c index 3d64c81cc6e2..6063c88c26d2 100644 --- a/arch/powerpc/platforms/cell/spufs/switch.c +++ b/arch/powerpc/platforms/cell/spufs/switch.c @@ -48,6 +48,8 @@ #include <asm/spu_csa.h> #include <asm/mmu_context.h> +#include "spufs.h" + #include "spu_save_dump.h" #include "spu_restore_dump.h" @@ -691,35 +693,9 @@ static inline void resume_mfc_queue(struct spu_state *csa, struct spu *spu) out_be64(&priv2->mfc_control_RW, MFC_CNTL_RESUME_DMA_QUEUE); } -static inline void get_kernel_slb(u64 ea, u64 slb[2]) +static inline void setup_mfc_slbs(struct spu_state *csa, struct spu *spu, + unsigned int *code, int code_size) { - u64 llp; - - if (REGION_ID(ea) == KERNEL_REGION_ID) - llp = mmu_psize_defs[mmu_linear_psize].sllp; - else - llp = mmu_psize_defs[mmu_virtual_psize].sllp; - slb[0] = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) | - SLB_VSID_KERNEL | llp; - slb[1] = (ea & ESID_MASK) | SLB_ESID_V; -} - -static inline void load_mfc_slb(struct spu *spu, u64 slb[2], int slbe) -{ - struct spu_priv2 __iomem *priv2 = spu->priv2; - - out_be64(&priv2->slb_index_W, slbe); - eieio(); - out_be64(&priv2->slb_vsid_RW, slb[0]); - out_be64(&priv2->slb_esid_RW, slb[1]); - eieio(); -} - -static inline void setup_mfc_slbs(struct spu_state *csa, struct spu *spu) -{ - u64 code_slb[2]; - u64 lscsa_slb[2]; - /* Save, Step 47: * Restore, Step 30. * If MFC_SR1[R]=1, write 0 to SLB_Invalidate_All @@ -735,11 +711,7 @@ static inline void setup_mfc_slbs(struct spu_state *csa, struct spu *spu) * translation is desired by OS environment). */ spu_invalidate_slbs(spu); - get_kernel_slb((unsigned long)&spu_save_code[0], code_slb); - get_kernel_slb((unsigned long)csa->lscsa, lscsa_slb); - load_mfc_slb(spu, code_slb, 0); - if ((lscsa_slb[0] != code_slb[0]) || (lscsa_slb[1] != code_slb[1])) - load_mfc_slb(spu, lscsa_slb, 1); + spu_setup_kernel_slbs(spu, csa->lscsa, code, code_size); } static inline void set_switch_active(struct spu_state *csa, struct spu *spu) @@ -768,9 +740,9 @@ static inline void enable_interrupts(struct spu_state *csa, struct spu *spu) * (translation) interrupts. */ spin_lock_irq(&spu->register_lock); - spu_int_stat_clear(spu, 0, ~0ul); - spu_int_stat_clear(spu, 1, ~0ul); - spu_int_stat_clear(spu, 2, ~0ul); + spu_int_stat_clear(spu, 0, CLASS0_INTR_MASK); + spu_int_stat_clear(spu, 1, CLASS1_INTR_MASK); + spu_int_stat_clear(spu, 2, CLASS2_INTR_MASK); spu_int_mask_set(spu, 0, 0ul); spu_int_mask_set(spu, 1, class1_mask); spu_int_mask_set(spu, 2, 0ul); @@ -927,8 +899,8 @@ static inline void wait_tag_complete(struct spu_state *csa, struct spu *spu) POLL_WHILE_FALSE(in_be32(&prob->dma_tagstatus_R) & mask); local_irq_save(flags); - spu_int_stat_clear(spu, 0, ~(0ul)); - spu_int_stat_clear(spu, 2, ~(0ul)); + spu_int_stat_clear(spu, 0, CLASS0_INTR_MASK); + spu_int_stat_clear(spu, 2, CLASS2_INTR_MASK); local_irq_restore(flags); } @@ -946,8 +918,8 @@ static inline void wait_spu_stopped(struct spu_state *csa, struct spu *spu) POLL_WHILE_TRUE(in_be32(&prob->spu_status_R) & SPU_STATUS_RUNNING); local_irq_save(flags); - spu_int_stat_clear(spu, 0, ~(0ul)); - spu_int_stat_clear(spu, 2, ~(0ul)); + spu_int_stat_clear(spu, 0, CLASS0_INTR_MASK); + spu_int_stat_clear(spu, 2, CLASS2_INTR_MASK); local_irq_restore(flags); } @@ -1423,9 +1395,9 @@ static inline void clear_interrupts(struct spu_state *csa, struct spu *spu) spu_int_mask_set(spu, 0, 0ul); spu_int_mask_set(spu, 1, 0ul); spu_int_mask_set(spu, 2, 0ul); - spu_int_stat_clear(spu, 0, ~0ul); - spu_int_stat_clear(spu, 1, ~0ul); - spu_int_stat_clear(spu, 2, ~0ul); + spu_int_stat_clear(spu, 0, CLASS0_INTR_MASK); + spu_int_stat_clear(spu, 1, CLASS1_INTR_MASK); + spu_int_stat_clear(spu, 2, CLASS2_INTR_MASK); spin_unlock_irq(&spu->register_lock); } @@ -1866,7 +1838,8 @@ static void save_lscsa(struct spu_state *prev, struct spu *spu) */ resume_mfc_queue(prev, spu); /* Step 46. */ - setup_mfc_slbs(prev, spu); /* Step 47. */ + /* Step 47. */ + setup_mfc_slbs(prev, spu, spu_save_code, sizeof(spu_save_code)); set_switch_active(prev, spu); /* Step 48. */ enable_interrupts(prev, spu); /* Step 49. */ save_ls_16kb(prev, spu); /* Step 50. */ @@ -1971,7 +1944,8 @@ static void restore_lscsa(struct spu_state *next, struct spu *spu) setup_spu_status_part1(next, spu); /* Step 27. */ setup_spu_status_part2(next, spu); /* Step 28. */ restore_mfc_rag(next, spu); /* Step 29. */ - setup_mfc_slbs(next, spu); /* Step 30. */ + /* Step 30. */ + setup_mfc_slbs(next, spu, spu_restore_code, sizeof(spu_restore_code)); set_spu_npc(next, spu); /* Step 31. */ set_signot1(next, spu); /* Step 32. */ set_signot2(next, spu); /* Step 33. */ @@ -2103,10 +2077,6 @@ int spu_save(struct spu_state *prev, struct spu *spu) int rc; acquire_spu_lock(spu); /* Step 1. */ - prev->dar = spu->dar; - prev->dsisr = spu->dsisr; - spu->dar = 0; - spu->dsisr = 0; rc = __do_spu_save(prev, spu); /* Steps 2-53. */ release_spu_lock(spu); if (rc != 0 && rc != 2 && rc != 6) { @@ -2133,9 +2103,6 @@ int spu_restore(struct spu_state *new, struct spu *spu) acquire_spu_lock(spu); harvest(NULL, spu); spu->slb_replace = 0; - new->dar = 0; - new->dsisr = 0; - spu->class_0_pending = 0; rc = __do_spu_restore(new, spu); release_spu_lock(spu); if (rc) { @@ -2215,10 +2182,8 @@ int spu_init_csa(struct spu_state *csa) return 0; } -EXPORT_SYMBOL_GPL(spu_init_csa); void spu_fini_csa(struct spu_state *csa) { spu_free_lscsa(csa); } -EXPORT_SYMBOL_GPL(spu_fini_csa); diff --git a/arch/powerpc/platforms/celleb/Kconfig b/arch/powerpc/platforms/celleb/Kconfig index 04748d410fc9..372891edcdd2 100644 --- a/arch/powerpc/platforms/celleb/Kconfig +++ b/arch/powerpc/platforms/celleb/Kconfig @@ -2,6 +2,8 @@ config PPC_CELLEB bool "Toshiba's Cell Reference Set 'Celleb' Architecture" depends on PPC_MULTIPLATFORM && PPC64 select PPC_CELL + select PPC_CELL_NATIVE + select PPC_RTAS select PPC_INDIRECT_IO select PPC_OF_PLATFORM_PCI select HAS_TXX9_SERIAL diff --git a/arch/powerpc/platforms/celleb/io-workarounds.c b/arch/powerpc/platforms/celleb/io-workarounds.c index 2b912140bcbb..b939c0e98af8 100644 --- a/arch/powerpc/platforms/celleb/io-workarounds.c +++ b/arch/powerpc/platforms/celleb/io-workarounds.c @@ -222,7 +222,7 @@ void __init celleb_pci_add_one(struct pci_controller *phb, void (*dummy_read)(struct pci_controller *)) { struct celleb_pci_bus *bus = &celleb_pci_busses[celleb_pci_count]; - struct device_node *np = phb->arch_data; + struct device_node *np = phb->dn; if (celleb_pci_count >= MAX_CELLEB_PCI_BUS) { printk(KERN_ERR "Too many pci bridges, workarounds" @@ -256,13 +256,13 @@ int __init celleb_pci_workaround_init(void) celleb_dummy_page_va = kmalloc(PAGE_SIZE, GFP_KERNEL); if (!celleb_dummy_page_va) { - printk(KERN_ERR "Celleb: dummy read disabled." + printk(KERN_ERR "Celleb: dummy read disabled. " "Alloc celleb_dummy_page_va failed\n"); return 1; } list_for_each_entry(phb, &hose_list, list_node) { - node = phb->arch_data; + node = phb->dn; match = of_match_node(celleb_pci_workaround_match, node); if (match) { diff --git a/arch/powerpc/platforms/celleb/iommu.c b/arch/powerpc/platforms/celleb/iommu.c index 755d869d8553..fbe718d517a6 100644 --- a/arch/powerpc/platforms/celleb/iommu.c +++ b/arch/powerpc/platforms/celleb/iommu.c @@ -22,8 +22,9 @@ #include <linux/init.h> #include <linux/dma-mapping.h> #include <linux/pci.h> +#include <linux/of_platform.h> -#include <asm/of_platform.h> +#include <asm/machdep.h> #include "beat_wrapper.h" @@ -91,7 +92,7 @@ static struct notifier_block celleb_of_bus_notifier = { static int __init celleb_init_iommu(void) { - if (!machine_is(celleb)) + if (!machine_is(celleb_beat)) return -ENODEV; celleb_init_direct_mapping(); diff --git a/arch/powerpc/platforms/celleb/pci.c b/arch/powerpc/platforms/celleb/pci.c index 6bc32fda7a6b..5d399e038c23 100644 --- a/arch/powerpc/platforms/celleb/pci.c +++ b/arch/powerpc/platforms/celleb/pci.c @@ -138,8 +138,6 @@ static void celleb_config_read_fake(unsigned char *config, int where, *val = celleb_fake_config_readl(p); break; } - - return; } static void celleb_config_write_fake(unsigned char *config, int where, @@ -158,7 +156,6 @@ static void celleb_config_write_fake(unsigned char *config, int where, celleb_fake_config_writel(val, p); break; } - return; } static int celleb_fake_pci_read_config(struct pci_bus *bus, @@ -351,6 +348,10 @@ static int __init celleb_setup_fake_pci_device(struct device_node *node, wi1 = of_get_property(node, "vendor-id", NULL); wi2 = of_get_property(node, "class-code", NULL); wi3 = of_get_property(node, "revision-id", NULL); + if (!wi0 || !wi1 || !wi2 || !wi3) { + printk(KERN_ERR "PCI: Missing device tree properties.\n"); + goto error; + } celleb_config_write_fake(*config, PCI_DEVICE_ID, 2, wi0[0] & 0xffff); celleb_config_write_fake(*config, PCI_VENDOR_ID, 2, wi1[0] & 0xffff); @@ -372,6 +373,10 @@ static int __init celleb_setup_fake_pci_device(struct device_node *node, celleb_setup_pci_base_addrs(hose, devno, fn, num_base_addr); li = of_get_property(node, "interrupts", &rlen); + if (!li) { + printk(KERN_ERR "PCI: interrupts not found.\n"); + goto error; + } val = li[0]; celleb_config_write_fake(*config, PCI_INTERRUPT_PIN, 1, 1); celleb_config_write_fake(*config, PCI_INTERRUPT_LINE, 1, val); @@ -475,7 +480,7 @@ static struct of_device_id celleb_phb_match[] __initdata = { int __init celleb_setup_phb(struct pci_controller *phb) { - struct device_node *dev = phb->arch_data; + struct device_node *dev = phb->dn; const struct of_device_id *match; int (*setup_func)(struct device_node *, struct pci_controller *); diff --git a/arch/powerpc/platforms/celleb/scc_epci.c b/arch/powerpc/platforms/celleb/scc_epci.c index 9d076426676c..a3c7cfbcb323 100644 --- a/arch/powerpc/platforms/celleb/scc_epci.c +++ b/arch/powerpc/platforms/celleb/scc_epci.c @@ -95,7 +95,7 @@ void __init epci_workaround_init(struct pci_controller *hose) private->dummy_page_da = dma_map_single(hose->parent, celleb_dummy_page_va, PAGE_SIZE, DMA_FROM_DEVICE); if (private->dummy_page_da == DMA_ERROR_CODE) { - printk(KERN_ERR "EPCI: dummy read disabled." + printk(KERN_ERR "EPCI: dummy read disabled. " "Map dummy page failed.\n"); return; } diff --git a/arch/powerpc/platforms/celleb/scc_uhc.c b/arch/powerpc/platforms/celleb/scc_uhc.c index b59c38a06e3e..cb4307994087 100644 --- a/arch/powerpc/platforms/celleb/scc_uhc.c +++ b/arch/powerpc/platforms/celleb/scc_uhc.c @@ -47,7 +47,8 @@ static void enable_scc_uhc(struct pci_dev *dev) u32 val = 0; int i; - if (!machine_is(celleb)) + if (!machine_is(celleb_beat) && + !machine_is(celleb_native)) return; uhc_base = ioremap(pci_resource_start(dev, 0), diff --git a/arch/powerpc/platforms/celleb/setup.c b/arch/powerpc/platforms/celleb/setup.c index ddfb35ae741f..0f0c4680bf01 100644 --- a/arch/powerpc/platforms/celleb/setup.c +++ b/arch/powerpc/platforms/celleb/setup.c @@ -40,6 +40,7 @@ #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/console.h> +#include <linux/of_platform.h> #include <asm/mmu.h> #include <asm/processor.h> @@ -52,12 +53,16 @@ #include <asm/time.h> #include <asm/spu_priv1.h> #include <asm/firmware.h> -#include <asm/of_platform.h> +#include <asm/rtas.h> +#include <asm/cell-regs.h> #include "interrupt.h" #include "beat_wrapper.h" #include "beat.h" #include "pci.h" +#include "../cell/interrupt.h" +#include "../cell/pervasive.h" +#include "../cell/ras.h" static char celleb_machine_type[128] = "Celleb"; @@ -88,17 +93,8 @@ static void celleb_progress(char *s, unsigned short hex) printk("*** %04x : %s\n", hex, s ? s : ""); } -static void __init celleb_setup_arch(void) +static void __init celleb_setup_arch_common(void) { -#ifdef CONFIG_SPU_BASE - spu_priv1_ops = &spu_priv1_beat_ops; - spu_management_ops = &spu_management_of_ops; -#endif - -#ifdef CONFIG_SMP - smp_init_celleb(); -#endif - /* init to some ~sane value until calibrate_delay() runs */ loops_per_jiffy = 50000000; @@ -107,18 +103,6 @@ static void __init celleb_setup_arch(void) #endif } -static int __init celleb_probe(void) -{ - unsigned long root = of_get_flat_dt_root(); - - if (!of_flat_dt_is_compatible(root, "Beat")) - return 0; - - powerpc_firmware_features |= FW_FEATURE_CELLEB_POSSIBLE; - hpte_init_beat_v3(); - return 1; -} - static struct of_device_id celleb_bus_ids[] __initdata = { { .type = "scc", }, { .type = "ioif", }, /* old style */ @@ -127,8 +111,9 @@ static struct of_device_id celleb_bus_ids[] __initdata = { static int __init celleb_publish_devices(void) { - if (!machine_is(celleb)) - return 0; + if (!machine_is(celleb_beat) && + !machine_is(celleb_native)) + return -ENODEV; /* Publish OF platform devices for southbridge IOs */ of_platform_bus_probe(NULL, celleb_bus_ids, NULL); @@ -139,10 +124,94 @@ static int __init celleb_publish_devices(void) } device_initcall(celleb_publish_devices); -define_machine(celleb) { - .name = "Cell Reference Set", - .probe = celleb_probe, - .setup_arch = celleb_setup_arch, + +/* + * functions for Celleb-Beat + */ +static void __init celleb_setup_arch_beat(void) +{ +#ifdef CONFIG_SPU_BASE + spu_priv1_ops = &spu_priv1_beat_ops; + spu_management_ops = &spu_management_of_ops; +#endif + +#ifdef CONFIG_SMP + smp_init_celleb(); +#endif + + celleb_setup_arch_common(); +} + +static int __init celleb_probe_beat(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "Beat")) + return 0; + + powerpc_firmware_features |= FW_FEATURE_CELLEB_ALWAYS + | FW_FEATURE_BEAT | FW_FEATURE_LPAR; + hpte_init_beat_v3(); + + return 1; +} + + +/* + * functions for Celleb-native + */ +static void __init celleb_init_IRQ_native(void) +{ + iic_init_IRQ(); + spider_init_IRQ(); +} + +static void __init celleb_setup_arch_native(void) +{ +#ifdef CONFIG_SPU_BASE + spu_priv1_ops = &spu_priv1_mmio_ops; + spu_management_ops = &spu_management_of_ops; +#endif + + cbe_regs_init(); + +#ifdef CONFIG_CBE_RAS + cbe_ras_init(); +#endif + +#ifdef CONFIG_SMP + smp_init_cell(); +#endif + + cbe_pervasive_init(); + + /* XXX: nvram initialization should be added */ + + celleb_setup_arch_common(); +} + +static int __init celleb_probe_native(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (of_flat_dt_is_compatible(root, "Beat") || + !of_flat_dt_is_compatible(root, "TOSHIBA,Celleb")) + return 0; + + powerpc_firmware_features |= FW_FEATURE_CELLEB_ALWAYS; + hpte_init_native(); + + return 1; +} + + +/* + * machine definitions + */ +define_machine(celleb_beat) { + .name = "Cell Reference Set (Beat)", + .probe = celleb_probe_beat, + .setup_arch = celleb_setup_arch_beat, .show_cpuinfo = celleb_show_cpuinfo, .restart = beat_restart, .power_off = beat_power_off, @@ -167,3 +236,26 @@ define_machine(celleb) { .machine_crash_shutdown = default_machine_crash_shutdown, #endif }; + +define_machine(celleb_native) { + .name = "Cell Reference Set (native)", + .probe = celleb_probe_native, + .setup_arch = celleb_setup_arch_native, + .show_cpuinfo = celleb_show_cpuinfo, + .restart = rtas_restart, + .power_off = rtas_power_off, + .halt = rtas_halt, + .get_boot_time = rtas_get_boot_time, + .get_rtc_time = rtas_get_rtc_time, + .set_rtc_time = rtas_set_rtc_time, + .calibrate_decr = generic_calibrate_decr, + .progress = celleb_progress, + .pci_probe_mode = celleb_pci_probe_mode, + .pci_setup_phb = celleb_setup_phb, + .init_IRQ = celleb_init_IRQ_native, +#ifdef CONFIG_KEXEC + .machine_kexec = default_machine_kexec, + .machine_kexec_prepare = default_machine_kexec_prepare, + .machine_crash_shutdown = default_machine_crash_shutdown, +#endif +}; diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c index 0340a342f772..d51f83aeef7f 100644 --- a/arch/powerpc/platforms/chrp/pci.c +++ b/arch/powerpc/platforms/chrp/pci.c @@ -198,7 +198,7 @@ static void __init setup_peg2(struct pci_controller *hose, struct device_node *d printk ("RTAS supporting Pegasos OF not found, please upgrade" " your firmware\n"); } - pci_assign_all_buses = 1; + ppc_pci_flags |= PPC_PCI_REASSIGN_ALL_BUS; /* keep the reference to the root node */ } diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 59306261f5b2..42a21bab76c8 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -115,7 +115,7 @@ void chrp_show_cpuinfo(struct seq_file *m) seq_printf(m, "machine\t\t: CHRP %s\n", model); /* longtrail (goldengate) stuff */ - if (!strncmp(model, "IBM,LongTrail", 13)) { + if (model && !strncmp(model, "IBM,LongTrail", 13)) { /* VLSI VAS96011/12 `Golden Gate 2' */ /* Memory banks */ sdramen = (in_le32(gg2_pci_config_base + GG2_PCI_DRAM_CTRL) @@ -203,15 +203,20 @@ static void __init sio_fixup_irq(const char *name, u8 device, u8 level, static void __init sio_init(void) { struct device_node *root; + const char *model; - if ((root = of_find_node_by_path("/")) && - !strncmp(of_get_property(root, "model", NULL), - "IBM,LongTrail", 13)) { + root = of_find_node_by_path("/"); + if (!root) + return; + + model = of_get_property(root, "model", NULL); + if (model && !strncmp(model, "IBM,LongTrail", 13)) { /* logical device 0 (KBC/Keyboard) */ sio_fixup_irq("keyboard", 0, 1, 2); /* select logical device 1 (KBC/Mouse) */ sio_fixup_irq("mouse", 1, 12, 2); } + of_node_put(root); } diff --git a/arch/powerpc/platforms/embedded6xx/holly.c b/arch/powerpc/platforms/embedded6xx/holly.c index b6de2b5223dd..b21fde589ca7 100644 --- a/arch/powerpc/platforms/embedded6xx/holly.c +++ b/arch/powerpc/platforms/embedded6xx/holly.c @@ -20,12 +20,12 @@ #include <linux/console.h> #include <linux/delay.h> #include <linux/irq.h> -#include <linux/ide.h> #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/serial.h> #include <linux/tty.h> #include <linux/serial_core.h> +#include <linux/of_platform.h> #include <asm/system.h> #include <asm/time.h> @@ -39,7 +39,6 @@ #include <asm/tsi108_irq.h> #include <asm/tsi108_pci.h> #include <asm/mpic.h> -#include <asm/of_platform.h> #undef DEBUG diff --git a/arch/powerpc/platforms/iseries/Makefile b/arch/powerpc/platforms/iseries/Makefile index a65f1b44abf8..cc7161ff1666 100644 --- a/arch/powerpc/platforms/iseries/Makefile +++ b/arch/powerpc/platforms/iseries/Makefile @@ -5,7 +5,7 @@ extra-y += dt.o obj-y += exception.o obj-y += hvlog.o hvlpconfig.o lpardata.o setup.o dt_mod.o mf.o lpevents.o \ hvcall.o proc.o htab.o iommu.o misc.o irq.o -obj-$(CONFIG_PCI) += pci.o vpdinfo.o +obj-$(CONFIG_PCI) += pci.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_VIOPATH) += viopath.o vio.o obj-$(CONFIG_MODULES) += ksyms.o diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c index 49e9c664ea89..6a0c6f6675cd 100644 --- a/arch/powerpc/platforms/iseries/iommu.c +++ b/arch/powerpc/platforms/iseries/iommu.c @@ -163,8 +163,10 @@ static struct iommu_table *iommu_table_find(struct iommu_table * tbl) (it->it_type == TCE_PCI) && (it->it_offset == tbl->it_offset) && (it->it_index == tbl->it_index) && - (it->it_size == tbl->it_size)) + (it->it_size == tbl->it_size)) { + of_node_put(node); return it; + } } return NULL; } diff --git a/arch/powerpc/platforms/iseries/lpevents.c b/arch/powerpc/platforms/iseries/lpevents.c index 275f49449839..e5b40e3e0082 100644 --- a/arch/powerpc/platforms/iseries/lpevents.c +++ b/arch/powerpc/platforms/iseries/lpevents.c @@ -239,7 +239,7 @@ int HvLpEvent_unregisterHandler(HvLpEvent_Type eventType) * other CPUs, and that the deleted handler isn't * still running on another CPU when we return. */ - synchronize_rcu(); + synchronize_sched(); return 0; } } diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c index da87162000f0..30e3d992dc0d 100644 --- a/arch/powerpc/platforms/iseries/pci.c +++ b/arch/powerpc/platforms/iseries/pci.c @@ -1,5 +1,6 @@ /* * Copyright (C) 2001 Allan Trautman, IBM Corporation + * Copyright (C) 2005,2007 Stephen Rothwell, IBM Corp * * iSeries specific routines for PCI. * @@ -19,6 +20,9 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +#undef DEBUG + #include <linux/kernel.h> #include <linux/list.h> #include <linux/string.h> @@ -26,6 +30,7 @@ #include <linux/module.h> #include <linux/pci.h> +#include <asm/types.h> #include <asm/io.h> #include <asm/irq.h> #include <asm/prom.h> @@ -35,6 +40,7 @@ #include <asm/abs_addr.h> #include <asm/firmware.h> +#include <asm/iseries/hv_types.h> #include <asm/iseries/hv_call_xm.h> #include <asm/iseries/mf.h> #include <asm/iseries/iommu.h> @@ -45,15 +51,8 @@ #include "pci.h" #include "call_pci.h" -/* - * Forward declares of prototypes. - */ -static struct device_node *find_Device_Node(int bus, int devfn); - -static int Pci_Retry_Max = 3; /* Only retry 3 times */ -static int Pci_Error_Flag = 1; /* Set Retry Error on. */ - -static struct pci_ops iSeries_pci_ops; +#define PCI_RETRY_MAX 3 +static int limit_pci_retries = 1; /* Set Retry Error on. */ /* * Table defines @@ -62,6 +61,7 @@ static struct pci_ops iSeries_pci_ops; #define IOMM_TABLE_MAX_ENTRIES 1024 #define IOMM_TABLE_ENTRY_SIZE 0x0000000000400000UL #define BASE_IO_MEMORY 0xE000000000000000UL +#define END_IO_MEMORY 0xEFFFFFFFFFFFFFFFUL static unsigned long max_io_memory = BASE_IO_MEMORY; static long current_iomm_table_entry; @@ -72,10 +72,234 @@ static long current_iomm_table_entry; static struct device_node *iomm_table[IOMM_TABLE_MAX_ENTRIES]; static u8 iobar_table[IOMM_TABLE_MAX_ENTRIES]; -static const char pci_io_text[] = "iSeries PCI I/O"; static DEFINE_SPINLOCK(iomm_table_lock); /* + * Generate a Direct Select Address for the Hypervisor + */ +static inline u64 iseries_ds_addr(struct device_node *node) +{ + struct pci_dn *pdn = PCI_DN(node); + + return ((u64)pdn->busno << 48) + ((u64)pdn->bussubno << 40) + + ((u64)0x10 << 32); +} + +/* + * Size of Bus VPD data + */ +#define BUS_VPDSIZE 1024 + +/* + * Bus Vpd Tags + */ +#define VPD_END_OF_AREA 0x79 +#define VPD_ID_STRING 0x82 +#define VPD_VENDOR_AREA 0x84 + +/* + * Mfg Area Tags + */ +#define VPD_FRU_FRAME_ID 0x4649 /* "FI" */ +#define VPD_SLOT_MAP_FORMAT 0x4D46 /* "MF" */ +#define VPD_SLOT_MAP 0x534D /* "SM" */ + +/* + * Structures of the areas + */ +struct mfg_vpd_area { + u16 tag; + u8 length; + u8 data1; + u8 data2; +}; +#define MFG_ENTRY_SIZE 3 + +struct slot_map { + u8 agent; + u8 secondary_agent; + u8 phb; + char card_location[3]; + char parms[8]; + char reserved[2]; +}; +#define SLOT_ENTRY_SIZE 16 + +/* + * Parse the Slot Area + */ +static void __init iseries_parse_slot_area(struct slot_map *map, int len, + HvAgentId agent, u8 *phb, char card[4]) +{ + /* + * Parse Slot label until we find the one requested + */ + while (len > 0) { + if (map->agent == agent) { + /* + * If Phb wasn't found, grab the entry first one found. + */ + if (*phb == 0xff) + *phb = map->phb; + /* Found it, extract the data. */ + if (map->phb == *phb) { + memcpy(card, &map->card_location, 3); + card[3] = 0; + break; + } + } + /* Point to the next Slot */ + map = (struct slot_map *)((char *)map + SLOT_ENTRY_SIZE); + len -= SLOT_ENTRY_SIZE; + } +} + +/* + * Parse the Mfg Area + */ +static void __init iseries_parse_mfg_area(struct mfg_vpd_area *area, int len, + HvAgentId agent, u8 *phb, u8 *frame, char card[4]) +{ + u16 slot_map_fmt = 0; + + /* Parse Mfg Data */ + while (len > 0) { + int mfg_tag_len = area->length; + /* Frame ID (FI 4649020310 ) */ + if (area->tag == VPD_FRU_FRAME_ID) + *frame = area->data1; + /* Slot Map Format (MF 4D46020004 ) */ + else if (area->tag == VPD_SLOT_MAP_FORMAT) + slot_map_fmt = (area->data1 * 256) + + area->data2; + /* Slot Map (SM 534D90 */ + else if (area->tag == VPD_SLOT_MAP) { + struct slot_map *slot_map; + + if (slot_map_fmt == 0x1004) + slot_map = (struct slot_map *)((char *)area + + MFG_ENTRY_SIZE + 1); + else + slot_map = (struct slot_map *)((char *)area + + MFG_ENTRY_SIZE); + iseries_parse_slot_area(slot_map, mfg_tag_len, + agent, phb, card); + } + /* + * Point to the next Mfg Area + * Use defined size, sizeof give wrong answer + */ + area = (struct mfg_vpd_area *)((char *)area + mfg_tag_len + + MFG_ENTRY_SIZE); + len -= (mfg_tag_len + MFG_ENTRY_SIZE); + } +} + +/* + * Look for "BUS".. Data is not Null terminated. + * PHBID of 0xFF indicates PHB was not found in VPD Data. + */ +static u8 __init iseries_parse_phbid(u8 *area, int len) +{ + while (len > 0) { + if ((*area == 'B') && (*(area + 1) == 'U') + && (*(area + 2) == 'S')) { + area += 3; + while (*area == ' ') + area++; + return *area & 0x0F; + } + area++; + len--; + } + return 0xff; +} + +/* + * Parse out the VPD Areas + */ +static void __init iseries_parse_vpd(u8 *data, int data_len, + HvAgentId agent, u8 *frame, char card[4]) +{ + u8 phb = 0xff; + + while (data_len > 0) { + int len; + u8 tag = *data; + + if (tag == VPD_END_OF_AREA) + break; + len = *(data + 1) + (*(data + 2) * 256); + data += 3; + data_len -= 3; + if (tag == VPD_ID_STRING) + phb = iseries_parse_phbid(data, len); + else if (tag == VPD_VENDOR_AREA) + iseries_parse_mfg_area((struct mfg_vpd_area *)data, len, + agent, &phb, frame, card); + /* Point to next Area. */ + data += len; + data_len -= len; + } +} + +static int __init iseries_get_location_code(u16 bus, HvAgentId agent, + u8 *frame, char card[4]) +{ + int status = 0; + int bus_vpd_len = 0; + u8 *bus_vpd = kmalloc(BUS_VPDSIZE, GFP_KERNEL); + + if (bus_vpd == NULL) { + printk("PCI: Bus VPD Buffer allocation failure.\n"); + return 0; + } + bus_vpd_len = HvCallPci_getBusVpd(bus, iseries_hv_addr(bus_vpd), + BUS_VPDSIZE); + if (bus_vpd_len == 0) { + printk("PCI: Bus VPD Buffer zero length.\n"); + goto out_free; + } + /* printk("PCI: bus_vpd: %p, %d\n",bus_vpd, bus_vpd_len); */ + /* Make sure this is what I think it is */ + if (*bus_vpd != VPD_ID_STRING) { + printk("PCI: Bus VPD Buffer missing starting tag.\n"); + goto out_free; + } + iseries_parse_vpd(bus_vpd, bus_vpd_len, agent, frame, card); + status = 1; +out_free: + kfree(bus_vpd); + return status; +} + +/* + * Prints the device information. + * - Pass in pci_dev* pointer to the device. + * - Pass in the device count + * + * Format: + * PCI: Bus 0, Device 26, Vendor 0x12AE Frame 1, Card C10 Ethernet + * controller + */ +static void __init iseries_device_information(struct pci_dev *pdev, + u16 bus, HvSubBusNumber subbus) +{ + u8 frame = 0; + char card[4]; + HvAgentId agent; + + agent = ISERIES_PCI_AGENTID(ISERIES_GET_DEVICE_FROM_SUBBUS(subbus), + ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus)); + + if (iseries_get_location_code(bus, agent, &frame, card)) { + printk(KERN_INFO "PCI: %s, Vendor %04X Frame%3d, " + "Card %4s 0x%04X\n", pci_name(pdev), pdev->vendor, + frame, card, (int)(pdev->class >> 8)); + } +} + +/* * iomm_table_allocate_entry * * Adds pci_dev entry in address translation table @@ -87,7 +311,7 @@ static DEFINE_SPINLOCK(iomm_table_lock); * - CurrentIndex is incremented to keep track of the last entry. * - Builds the resource entry for allocated BARs. */ -static void iomm_table_allocate_entry(struct pci_dev *dev, int bar_num) +static void __init iomm_table_allocate_entry(struct pci_dev *dev, int bar_num) { struct resource *bar_res = &dev->resource[bar_num]; long bar_size = pci_resource_len(dev, bar_num); @@ -101,7 +325,6 @@ static void iomm_table_allocate_entry(struct pci_dev *dev, int bar_num) * Set Resource values. */ spin_lock(&iomm_table_lock); - bar_res->name = pci_io_text; bar_res->start = BASE_IO_MEMORY + IOMM_TABLE_ENTRY_SIZE * current_iomm_table_entry; bar_res->end = bar_res->start + bar_size - 1; @@ -130,7 +353,7 @@ static void iomm_table_allocate_entry(struct pci_dev *dev, int bar_num) * - Loops through The Bar resources(0 - 5) including the ROM * is resource(6). */ -static void allocate_device_bars(struct pci_dev *dev) +static void __init allocate_device_bars(struct pci_dev *dev) { int bar_num; @@ -145,79 +368,19 @@ static void allocate_device_bars(struct pci_dev *dev) * PCI: Read Vendor Failed 0x18.58.10 Rc: 0x00xx * PCI: Connect Bus Unit Failed 0x18.58.10 Rc: 0x00xx */ -static void pci_Log_Error(char *Error_Text, int Bus, int SubBus, - int AgentId, int HvRc) +static void pci_log_error(char *error, int bus, int subbus, + int agent, int hv_res) { - if (HvRc == 0x0302) + if (hv_res == 0x0302) return; printk(KERN_ERR "PCI: %s Failed: 0x%02X.%02X.%02X Rc: 0x%04X", - Error_Text, Bus, SubBus, AgentId, HvRc); -} - -/* - * iSeries_pci_final_fixup(void) - */ -void __init iSeries_pci_final_fixup(void) -{ - struct pci_dev *pdev = NULL; - struct device_node *node; - int DeviceCount = 0; - - /* Fix up at the device node and pci_dev relationship */ - mf_display_src(0xC9000100); - - printk("pcibios_final_fixup\n"); - for_each_pci_dev(pdev) { - node = find_Device_Node(pdev->bus->number, pdev->devfn); - printk("pci dev %p (%x.%x), node %p\n", pdev, - pdev->bus->number, pdev->devfn, node); - - if (node != NULL) { - struct pci_dn *pdn = PCI_DN(node); - const u32 *agent; - - agent = of_get_property(node, "linux,agent-id", NULL); - if ((pdn != NULL) && (agent != NULL)) { - u8 irq = iSeries_allocate_IRQ(pdn->busno, 0, - pdn->bussubno); - int err; - - err = HvCallXm_connectBusUnit(pdn->busno, pdn->bussubno, - *agent, irq); - if (err) - pci_Log_Error("Connect Bus Unit", - pdn->busno, pdn->bussubno, *agent, err); - else { - err = HvCallPci_configStore8(pdn->busno, pdn->bussubno, - *agent, - PCI_INTERRUPT_LINE, - irq); - if (err) - pci_Log_Error("PciCfgStore Irq Failed!", - pdn->busno, pdn->bussubno, *agent, err); - } - if (!err) - pdev->irq = irq; - } - - ++DeviceCount; - pdev->sysdata = (void *)node; - PCI_DN(node)->pcidev = pdev; - allocate_device_bars(pdev); - iSeries_Device_Information(pdev, DeviceCount); - iommu_devnode_init_iSeries(pdev, node); - } else - printk("PCI: Device Tree not found for 0x%016lX\n", - (unsigned long)pdev); - } - iSeries_activate_IRQs(); - mf_display_src(0xC9000200); + error, bus, subbus, agent, hv_res); } /* * Look down the chain to find the matching Device Device */ -static struct device_node *find_Device_Node(int bus, int devfn) +static struct device_node *find_device_node(int bus, int devfn) { struct device_node *node; @@ -230,22 +393,67 @@ static struct device_node *find_Device_Node(int bus, int devfn) return NULL; } -#if 0 /* - * Returns the device node for the passed pci_dev - * Sanity Check Node PciDev to passed pci_dev - * If none is found, returns a NULL which the client must handle. + * iSeries_pcibios_fixup_resources + * + * Fixes up all resources for devices */ -static struct device_node *get_Device_Node(struct pci_dev *pdev) +void __init iSeries_pcibios_fixup_resources(struct pci_dev *pdev) { + const u32 *agent; + const u32 *sub_bus; + unsigned char bus = pdev->bus->number; struct device_node *node; + int i; + + node = find_device_node(bus, pdev->devfn); + pr_debug("PCI: iSeries %s, pdev %p, node %p\n", + pci_name(pdev), pdev, node); + if (!node) { + printk("PCI: %s disabled, device tree entry not found !\n", + pci_name(pdev)); + for (i = 0; i <= PCI_ROM_RESOURCE; i++) + pdev->resource[i].flags = 0; + return; + } + sub_bus = of_get_property(node, "linux,subbus", NULL); + agent = of_get_property(node, "linux,agent-id", NULL); + if (agent && sub_bus) { + u8 irq = iSeries_allocate_IRQ(bus, 0, *sub_bus); + int err; + + err = HvCallXm_connectBusUnit(bus, *sub_bus, *agent, irq); + if (err) + pci_log_error("Connect Bus Unit", + bus, *sub_bus, *agent, err); + else { + err = HvCallPci_configStore8(bus, *sub_bus, + *agent, PCI_INTERRUPT_LINE, irq); + if (err) + pci_log_error("PciCfgStore Irq Failed!", + bus, *sub_bus, *agent, err); + else + pdev->irq = irq; + } + } - node = pdev->sysdata; - if (node == NULL || PCI_DN(node)->pcidev != pdev) - node = find_Device_Node(pdev->bus->number, pdev->devfn); - return node; + pdev->sysdata = node; + PCI_DN(node)->pcidev = pdev; + allocate_device_bars(pdev); + iseries_device_information(pdev, bus, *sub_bus); + iommu_devnode_init_iSeries(pdev, node); +} + +/* + * iSeries_pci_final_fixup(void) + */ +void __init iSeries_pci_final_fixup(void) +{ + /* Fix up at the device node and pci_dev relationship */ + mf_display_src(0xC9000100); + iSeries_activate_IRQs(); + mf_display_src(0xC9000200); } -#endif /* * Config space read and write functions. @@ -269,7 +477,7 @@ static u64 hv_cfg_write_func[4] = { static int iSeries_pci_read_config(struct pci_bus *bus, unsigned int devfn, int offset, int size, u32 *val) { - struct device_node *node = find_Device_Node(bus->number, devfn); + struct device_node *node = find_device_node(bus->number, devfn); u64 fn; struct HvCallPci_LoadReturn ret; @@ -299,7 +507,7 @@ static int iSeries_pci_read_config(struct pci_bus *bus, unsigned int devfn, static int iSeries_pci_write_config(struct pci_bus *bus, unsigned int devfn, int offset, int size, u32 val) { - struct device_node *node = find_Device_Node(bus->number, devfn); + struct device_node *node = find_device_node(bus->number, devfn); u64 fn; u64 ret; @@ -331,22 +539,22 @@ static struct pci_ops iSeries_pci_ops = { * PCI: Device 23.90 ReadL Retry( 1) * PCI: Device 23.90 ReadL Retry Successful(1) */ -static int CheckReturnCode(char *TextHdr, struct device_node *DevNode, +static int check_return_code(char *type, struct device_node *dn, int *retry, u64 ret) { if (ret != 0) { - struct pci_dn *pdn = PCI_DN(DevNode); + struct pci_dn *pdn = PCI_DN(dn); (*retry)++; printk("PCI: %s: Device 0x%04X:%02X I/O Error(%2d): 0x%04X\n", - TextHdr, pdn->busno, pdn->devfn, + type, pdn->busno, pdn->devfn, *retry, (int)ret); /* * Bump the retry and check for retry count exceeded. * If, Exceeded, panic the system. */ - if (((*retry) > Pci_Retry_Max) && - (Pci_Error_Flag > 0)) { + if (((*retry) > PCI_RETRY_MAX) && + (limit_pci_retries > 0)) { mf_display_src(0xB6000103); panic_timeout = 0; panic("PCI: Hardware I/O Error, SRC B6000103, " @@ -363,28 +571,40 @@ static int CheckReturnCode(char *TextHdr, struct device_node *DevNode, * the exposure of being device global. */ static inline struct device_node *xlate_iomm_address( - const volatile void __iomem *IoAddress, - u64 *dsaptr, u64 *BarOffsetPtr) + const volatile void __iomem *addr, + u64 *dsaptr, u64 *bar_offset, const char *func) { - unsigned long OrigIoAddr; - unsigned long BaseIoAddr; - unsigned long TableIndex; - struct device_node *DevNode; + unsigned long orig_addr; + unsigned long base_addr; + unsigned long ind; + struct device_node *dn; - OrigIoAddr = (unsigned long __force)IoAddress; - if ((OrigIoAddr < BASE_IO_MEMORY) || (OrigIoAddr >= max_io_memory)) + orig_addr = (unsigned long __force)addr; + if ((orig_addr < BASE_IO_MEMORY) || (orig_addr >= max_io_memory)) { + static unsigned long last_jiffies; + static int num_printed; + + if ((jiffies - last_jiffies) > 60 * HZ) { + last_jiffies = jiffies; + num_printed = 0; + } + if (num_printed++ < 10) + printk(KERN_ERR + "iSeries_%s: invalid access at IO address %p\n", + func, addr); return NULL; - BaseIoAddr = OrigIoAddr - BASE_IO_MEMORY; - TableIndex = BaseIoAddr / IOMM_TABLE_ENTRY_SIZE; - DevNode = iomm_table[TableIndex]; - - if (DevNode != NULL) { - int barnum = iobar_table[TableIndex]; - *dsaptr = iseries_ds_addr(DevNode) | (barnum << 24); - *BarOffsetPtr = BaseIoAddr % IOMM_TABLE_ENTRY_SIZE; + } + base_addr = orig_addr - BASE_IO_MEMORY; + ind = base_addr / IOMM_TABLE_ENTRY_SIZE; + dn = iomm_table[ind]; + + if (dn != NULL) { + int barnum = iobar_table[ind]; + *dsaptr = iseries_ds_addr(dn) | (barnum << 24); + *bar_offset = base_addr % IOMM_TABLE_ENTRY_SIZE; } else - panic("PCI: Invalid PCI IoAddress detected!\n"); - return DevNode; + panic("PCI: Invalid PCI IO address detected!\n"); + return dn; } /* @@ -392,91 +612,58 @@ static inline struct device_node *xlate_iomm_address( * On MM I/O error, all ones are returned and iSeries_pci_IoError is cal * else, data is returned in Big Endian format. */ -static u8 iSeries_Read_Byte(const volatile void __iomem *IoAddress) +static u8 iseries_readb(const volatile void __iomem *addr) { - u64 BarOffset; + u64 bar_offset; u64 dsa; int retry = 0; struct HvCallPci_LoadReturn ret; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); - - if (DevNode == NULL) { - static unsigned long last_jiffies; - static int num_printed; + struct device_node *dn = + xlate_iomm_address(addr, &dsa, &bar_offset, "read_byte"); - if ((jiffies - last_jiffies) > 60 * HZ) { - last_jiffies = jiffies; - num_printed = 0; - } - if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Read_Byte: invalid access at IO address %p\n", - IoAddress); + if (dn == NULL) return 0xff; - } do { - HvCall3Ret16(HvCallPciBarLoad8, &ret, dsa, BarOffset, 0); - } while (CheckReturnCode("RDB", DevNode, &retry, ret.rc) != 0); + HvCall3Ret16(HvCallPciBarLoad8, &ret, dsa, bar_offset, 0); + } while (check_return_code("RDB", dn, &retry, ret.rc) != 0); return ret.value; } -static u16 iSeries_Read_Word(const volatile void __iomem *IoAddress) +static u16 iseries_readw_be(const volatile void __iomem *addr) { - u64 BarOffset; + u64 bar_offset; u64 dsa; int retry = 0; struct HvCallPci_LoadReturn ret; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); + struct device_node *dn = + xlate_iomm_address(addr, &dsa, &bar_offset, "read_word"); - if (DevNode == NULL) { - static unsigned long last_jiffies; - static int num_printed; - - if ((jiffies - last_jiffies) > 60 * HZ) { - last_jiffies = jiffies; - num_printed = 0; - } - if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Read_Word: invalid access at IO address %p\n", - IoAddress); + if (dn == NULL) return 0xffff; - } do { HvCall3Ret16(HvCallPciBarLoad16, &ret, dsa, - BarOffset, 0); - } while (CheckReturnCode("RDW", DevNode, &retry, ret.rc) != 0); + bar_offset, 0); + } while (check_return_code("RDW", dn, &retry, ret.rc) != 0); return ret.value; } -static u32 iSeries_Read_Long(const volatile void __iomem *IoAddress) +static u32 iseries_readl_be(const volatile void __iomem *addr) { - u64 BarOffset; + u64 bar_offset; u64 dsa; int retry = 0; struct HvCallPci_LoadReturn ret; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); - - if (DevNode == NULL) { - static unsigned long last_jiffies; - static int num_printed; + struct device_node *dn = + xlate_iomm_address(addr, &dsa, &bar_offset, "read_long"); - if ((jiffies - last_jiffies) > 60 * HZ) { - last_jiffies = jiffies; - num_printed = 0; - } - if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Read_Long: invalid access at IO address %p\n", - IoAddress); + if (dn == NULL) return 0xffffffff; - } do { HvCall3Ret16(HvCallPciBarLoad32, &ret, dsa, - BarOffset, 0); - } while (CheckReturnCode("RDL", DevNode, &retry, ret.rc) != 0); + bar_offset, 0); + } while (check_return_code("RDL", dn, &retry, ret.rc) != 0); return ret.value; } @@ -485,134 +672,72 @@ static u32 iSeries_Read_Long(const volatile void __iomem *IoAddress) * Write MM I/O Instructions for the iSeries * */ -static void iSeries_Write_Byte(u8 data, volatile void __iomem *IoAddress) +static void iseries_writeb(u8 data, volatile void __iomem *addr) { - u64 BarOffset; + u64 bar_offset; u64 dsa; int retry = 0; u64 rc; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); - - if (DevNode == NULL) { - static unsigned long last_jiffies; - static int num_printed; + struct device_node *dn = + xlate_iomm_address(addr, &dsa, &bar_offset, "write_byte"); - if ((jiffies - last_jiffies) > 60 * HZ) { - last_jiffies = jiffies; - num_printed = 0; - } - if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Write_Byte: invalid access at IO address %p\n", IoAddress); + if (dn == NULL) return; - } do { - rc = HvCall4(HvCallPciBarStore8, dsa, BarOffset, data, 0); - } while (CheckReturnCode("WWB", DevNode, &retry, rc) != 0); + rc = HvCall4(HvCallPciBarStore8, dsa, bar_offset, data, 0); + } while (check_return_code("WWB", dn, &retry, rc) != 0); } -static void iSeries_Write_Word(u16 data, volatile void __iomem *IoAddress) +static void iseries_writew_be(u16 data, volatile void __iomem *addr) { - u64 BarOffset; + u64 bar_offset; u64 dsa; int retry = 0; u64 rc; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); + struct device_node *dn = + xlate_iomm_address(addr, &dsa, &bar_offset, "write_word"); - if (DevNode == NULL) { - static unsigned long last_jiffies; - static int num_printed; - - if ((jiffies - last_jiffies) > 60 * HZ) { - last_jiffies = jiffies; - num_printed = 0; - } - if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Write_Word: invalid access at IO address %p\n", - IoAddress); + if (dn == NULL) return; - } do { - rc = HvCall4(HvCallPciBarStore16, dsa, BarOffset, data, 0); - } while (CheckReturnCode("WWW", DevNode, &retry, rc) != 0); + rc = HvCall4(HvCallPciBarStore16, dsa, bar_offset, data, 0); + } while (check_return_code("WWW", dn, &retry, rc) != 0); } -static void iSeries_Write_Long(u32 data, volatile void __iomem *IoAddress) +static void iseries_writel_be(u32 data, volatile void __iomem *addr) { - u64 BarOffset; + u64 bar_offset; u64 dsa; int retry = 0; u64 rc; - struct device_node *DevNode = - xlate_iomm_address(IoAddress, &dsa, &BarOffset); - - if (DevNode == NULL) { - static unsigned long last_jiffies; - static int num_printed; + struct device_node *dn = + xlate_iomm_address(addr, &dsa, &bar_offset, "write_long"); - if ((jiffies - last_jiffies) > 60 * HZ) { - last_jiffies = jiffies; - num_printed = 0; - } - if (num_printed++ < 10) - printk(KERN_ERR "iSeries_Write_Long: invalid access at IO address %p\n", - IoAddress); + if (dn == NULL) return; - } do { - rc = HvCall4(HvCallPciBarStore32, dsa, BarOffset, data, 0); - } while (CheckReturnCode("WWL", DevNode, &retry, rc) != 0); -} - -static u8 iseries_readb(const volatile void __iomem *addr) -{ - return iSeries_Read_Byte(addr); + rc = HvCall4(HvCallPciBarStore32, dsa, bar_offset, data, 0); + } while (check_return_code("WWL", dn, &retry, rc) != 0); } static u16 iseries_readw(const volatile void __iomem *addr) { - return le16_to_cpu(iSeries_Read_Word(addr)); + return le16_to_cpu(iseries_readw_be(addr)); } static u32 iseries_readl(const volatile void __iomem *addr) { - return le32_to_cpu(iSeries_Read_Long(addr)); -} - -static u16 iseries_readw_be(const volatile void __iomem *addr) -{ - return iSeries_Read_Word(addr); -} - -static u32 iseries_readl_be(const volatile void __iomem *addr) -{ - return iSeries_Read_Long(addr); -} - -static void iseries_writeb(u8 data, volatile void __iomem *addr) -{ - iSeries_Write_Byte(data, addr); + return le32_to_cpu(iseries_readl_be(addr)); } static void iseries_writew(u16 data, volatile void __iomem *addr) { - iSeries_Write_Word(cpu_to_le16(data), addr); + iseries_writew_be(cpu_to_le16(data), addr); } static void iseries_writel(u32 data, volatile void __iomem *addr) { - iSeries_Write_Long(cpu_to_le32(data), addr); -} - -static void iseries_writew_be(u16 data, volatile void __iomem *addr) -{ - iSeries_Write_Word(data, addr); -} - -static void iseries_writel_be(u32 data, volatile void __iomem *addr) -{ - iSeries_Write_Long(data, addr); + iseries_writel(cpu_to_le32(data), addr); } static void iseries_readsb(const volatile void __iomem *addr, void *buf, @@ -620,7 +745,7 @@ static void iseries_readsb(const volatile void __iomem *addr, void *buf, { u8 *dst = buf; while(count-- > 0) - *(dst++) = iSeries_Read_Byte(addr); + *(dst++) = iseries_readb(addr); } static void iseries_readsw(const volatile void __iomem *addr, void *buf, @@ -628,7 +753,7 @@ static void iseries_readsw(const volatile void __iomem *addr, void *buf, { u16 *dst = buf; while(count-- > 0) - *(dst++) = iSeries_Read_Word(addr); + *(dst++) = iseries_readw_be(addr); } static void iseries_readsl(const volatile void __iomem *addr, void *buf, @@ -636,7 +761,7 @@ static void iseries_readsl(const volatile void __iomem *addr, void *buf, { u32 *dst = buf; while(count-- > 0) - *(dst++) = iSeries_Read_Long(addr); + *(dst++) = iseries_readl_be(addr); } static void iseries_writesb(volatile void __iomem *addr, const void *buf, @@ -644,7 +769,7 @@ static void iseries_writesb(volatile void __iomem *addr, const void *buf, { const u8 *src = buf; while(count-- > 0) - iSeries_Write_Byte(*(src++), addr); + iseries_writeb(*(src++), addr); } static void iseries_writesw(volatile void __iomem *addr, const void *buf, @@ -652,7 +777,7 @@ static void iseries_writesw(volatile void __iomem *addr, const void *buf, { const u16 *src = buf; while(count-- > 0) - iSeries_Write_Word(*(src++), addr); + iseries_writew_be(*(src++), addr); } static void iseries_writesl(volatile void __iomem *addr, const void *buf, @@ -660,7 +785,7 @@ static void iseries_writesl(volatile void __iomem *addr, const void *buf, { const u32 *src = buf; while(count-- > 0) - iSeries_Write_Long(*(src++), addr); + iseries_writel_be(*(src++), addr); } static void iseries_memset_io(volatile void __iomem *addr, int c, @@ -669,7 +794,7 @@ static void iseries_memset_io(volatile void __iomem *addr, int c, volatile char __iomem *d = addr; while (n-- > 0) - iSeries_Write_Byte(c, d++); + iseries_writeb(c, d++); } static void iseries_memcpy_fromio(void *dest, const volatile void __iomem *src, @@ -679,7 +804,7 @@ static void iseries_memcpy_fromio(void *dest, const volatile void __iomem *src, const volatile char __iomem *s = src; while (n-- > 0) - *d++ = iSeries_Read_Byte(s++); + *d++ = iseries_readb(s++); } static void iseries_memcpy_toio(volatile void __iomem *dest, const void *src, @@ -689,7 +814,7 @@ static void iseries_memcpy_toio(volatile void __iomem *dest, const void *src, volatile char __iomem *d = dest; while (n-- > 0) - iSeries_Write_Byte(*s++, d++); + iseries_writeb(*s++, d++); } /* We only set MMIO ops. The default PIO ops will be default @@ -742,6 +867,8 @@ void __init iSeries_pcibios_init(void) /* Install IO hooks */ ppc_pci_io = iseries_pci_io; + pci_probe_only = 1; + /* iSeries has no IO space in the common sense, it needs to set * the IO base to 0 */ @@ -767,11 +894,21 @@ void __init iSeries_pcibios_init(void) phb = pcibios_alloc_controller(node); if (phb == NULL) continue; + /* All legacy iSeries PHBs are in domain zero */ + phb->global_number = 0; - phb->pci_mem_offset = bus; phb->first_busno = bus; phb->last_busno = bus; phb->ops = &iSeries_pci_ops; + phb->io_base_virt = (void __iomem *)_IO_BASE; + phb->io_resource.flags = IORESOURCE_IO; + phb->io_resource.start = BASE_IO_MEMORY; + phb->io_resource.end = END_IO_MEMORY; + phb->io_resource.name = "iSeries PCI IO"; + phb->mem_resources[0].flags = IORESOURCE_MEM; + phb->mem_resources[0].start = BASE_IO_MEMORY; + phb->mem_resources[0].end = END_IO_MEMORY; + phb->mem_resources[0].name = "Series PCI MEM"; } of_node_put(root); diff --git a/arch/powerpc/platforms/iseries/pci.h b/arch/powerpc/platforms/iseries/pci.h index 33a8489fde54..d9cf974c2718 100644 --- a/arch/powerpc/platforms/iseries/pci.h +++ b/arch/powerpc/platforms/iseries/pci.h @@ -30,10 +30,6 @@ * End Change Activity */ -#include <asm/pci-bridge.h> - -struct pci_dev; /* For Forward Reference */ - /* * Decodes Linux DevFn to iSeries DevFn, bridge device, or function. * For Linux, see PCI_SLOT and PCI_FUNC in include/linux/pci.h @@ -47,17 +43,16 @@ struct pci_dev; /* For Forward Reference */ #define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus) ((subbus >> 5) & 0x7) #define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus) ((subbus >> 2) & 0x7) -/* - * Generate a Direct Select Address for the Hypervisor - */ -static inline u64 iseries_ds_addr(struct device_node *node) -{ - struct pci_dn *pdn = PCI_DN(node); - - return ((u64)pdn->busno << 48) + ((u64)pdn->bussubno << 40) - + ((u64)0x10 << 32); -} - -extern void iSeries_Device_Information(struct pci_dev*, int); +struct pci_dev; + +#ifdef CONFIG_PCI +extern void iSeries_pcibios_init(void); +extern void iSeries_pci_final_fixup(void); +extern void iSeries_pcibios_fixup_resources(struct pci_dev *dev); +#else +static inline void iSeries_pcibios_init(void) { } +static inline void iSeries_pci_final_fixup(void) { } +static inline void iSeries_pcibios_fixup_resources(struct pci_dev *dev) {} +#endif #endif /* _PLATFORMS_ISERIES_PCI_H */ diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index 0877a8834110..b72120751bbe 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -63,6 +63,7 @@ #include "main_store.h" #include "call_sm.h" #include "call_hpt.h" +#include "pci.h" #ifdef DEBUG #define DBG(fmt...) udbg_printf(fmt) @@ -74,11 +75,6 @@ static unsigned long build_iSeries_Memory_Map(void); static void iseries_shared_idle(void); static void iseries_dedicated_idle(void); -#ifdef CONFIG_PCI -extern void iSeries_pci_final_fixup(void); -#else -static void iSeries_pci_final_fixup(void) { } -#endif struct MemoryBlock { @@ -112,13 +108,13 @@ static unsigned long iSeries_process_Condor_mainstore_vpd( * correctly. */ mb_array[0].logicalStart = 0; - mb_array[0].logicalEnd = 0x100000000; + mb_array[0].logicalEnd = 0x100000000UL; mb_array[0].absStart = 0; - mb_array[0].absEnd = 0x100000000; + mb_array[0].absEnd = 0x100000000UL; if (holeSize) { numMemoryBlocks = 2; - holeStart = holeStart & 0x000fffffffffffff; + holeStart = holeStart & 0x000fffffffffffffUL; holeStart = addr_to_chunk(holeStart); holeFirstChunk = holeStart; holeSize = addr_to_chunk(holeSize); @@ -128,9 +124,9 @@ static unsigned long iSeries_process_Condor_mainstore_vpd( mb_array[0].logicalEnd = holeFirstChunk; mb_array[0].absEnd = holeFirstChunk; mb_array[1].logicalStart = holeFirstChunk; - mb_array[1].logicalEnd = 0x100000000 - holeSizeChunks; + mb_array[1].logicalEnd = 0x100000000UL - holeSizeChunks; mb_array[1].absStart = holeFirstChunk + holeSizeChunks; - mb_array[1].absEnd = 0x100000000; + mb_array[1].absEnd = 0x100000000UL; } return numMemoryBlocks; } @@ -234,9 +230,9 @@ static unsigned long iSeries_process_Regatta_mainstore_vpd( mb_array[i].logicalEnd, mb_array[i].absStart, mb_array[i].absEnd); mb_array[i].absStart = addr_to_chunk(mb_array[i].absStart & - 0x000fffffffffffff); + 0x000fffffffffffffUL); mb_array[i].absEnd = addr_to_chunk(mb_array[i].absEnd & - 0x000fffffffffffff); + 0x000fffffffffffffUL); mb_array[i].logicalStart = addr_to_chunk(mb_array[i].logicalStart); mb_array[i].logicalEnd = addr_to_chunk(mb_array[i].logicalEnd); @@ -320,7 +316,7 @@ struct mschunks_map mschunks_map = { }; EXPORT_SYMBOL(mschunks_map); -void mschunks_alloc(unsigned long num_chunks) +static void mschunks_alloc(unsigned long num_chunks) { klimit = _ALIGN(klimit, sizeof(u32)); mschunks_map.mapping = (u32 *)klimit; @@ -499,6 +495,8 @@ static void __init iSeries_setup_arch(void) itVpdAreas.xSlicMaxLogicalProcs); printk("Max physical processors = %d\n", itVpdAreas.xSlicMaxPhysicalProcs); + + iSeries_pcibios_init(); } static void iSeries_show_cpuinfo(struct seq_file *m) @@ -641,24 +639,25 @@ static int __init iseries_probe(void) } define_machine(iseries) { - .name = "iSeries", - .setup_arch = iSeries_setup_arch, - .show_cpuinfo = iSeries_show_cpuinfo, - .init_IRQ = iSeries_init_IRQ, - .get_irq = iSeries_get_irq, - .init_early = iSeries_init_early, - .pcibios_fixup = iSeries_pci_final_fixup, - .restart = mf_reboot, - .power_off = mf_power_off, - .halt = mf_power_off, - .get_boot_time = iSeries_get_boot_time, - .set_rtc_time = iSeries_set_rtc_time, - .get_rtc_time = iSeries_get_rtc_time, - .calibrate_decr = generic_calibrate_decr, - .progress = iSeries_progress, - .probe = iseries_probe, - .ioremap = iseries_ioremap, - .iounmap = iseries_iounmap, + .name = "iSeries", + .setup_arch = iSeries_setup_arch, + .show_cpuinfo = iSeries_show_cpuinfo, + .init_IRQ = iSeries_init_IRQ, + .get_irq = iSeries_get_irq, + .init_early = iSeries_init_early, + .pcibios_fixup = iSeries_pci_final_fixup, + .pcibios_fixup_resources= iSeries_pcibios_fixup_resources, + .restart = mf_reboot, + .power_off = mf_power_off, + .halt = mf_power_off, + .get_boot_time = iSeries_get_boot_time, + .set_rtc_time = iSeries_set_rtc_time, + .get_rtc_time = iSeries_get_rtc_time, + .calibrate_decr = generic_calibrate_decr, + .progress = iSeries_progress, + .probe = iseries_probe, + .ioremap = iseries_ioremap, + .iounmap = iseries_iounmap, /* XXX Implement enable_pmcs for iSeries */ }; diff --git a/arch/powerpc/platforms/iseries/setup.h b/arch/powerpc/platforms/iseries/setup.h index 0a47ac53c959..729754bbb018 100644 --- a/arch/powerpc/platforms/iseries/setup.h +++ b/arch/powerpc/platforms/iseries/setup.h @@ -17,6 +17,7 @@ #ifndef __ISERIES_SETUP_H__ #define __ISERIES_SETUP_H__ +extern void *iSeries_early_setup(void); extern unsigned long iSeries_get_boot_time(void); extern int iSeries_set_rtc_time(struct rtc_time *tm); extern void iSeries_get_rtc_time(struct rtc_time *tm); diff --git a/arch/powerpc/platforms/iseries/vpdinfo.c b/arch/powerpc/platforms/iseries/vpdinfo.c deleted file mode 100644 index 9f83878a0c2e..000000000000 --- a/arch/powerpc/platforms/iseries/vpdinfo.c +++ /dev/null @@ -1,275 +0,0 @@ -/* - * This code gets the card location of the hardware - * Copyright (C) 2001 <Allan H Trautman> <IBM Corp> - * Copyright (C) 2005 Stephen Rothwel, IBM Corp - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the: - * Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, - * Boston, MA 02111-1307 USA - * - * Change Activity: - * Created, Feb 2, 2001 - * Ported to ppc64, August 20, 2001 - * End Change Activity - */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/pci.h> - -#include <asm/types.h> -#include <asm/resource.h> -#include <asm/abs_addr.h> -#include <asm/pci-bridge.h> -#include <asm/iseries/hv_types.h> - -#include "pci.h" -#include "call_pci.h" - -/* - * Size of Bus VPD data - */ -#define BUS_VPDSIZE 1024 - -/* - * Bus Vpd Tags - */ -#define VpdEndOfAreaTag 0x79 -#define VpdIdStringTag 0x82 -#define VpdVendorAreaTag 0x84 - -/* - * Mfg Area Tags - */ -#define VpdFruFrameId 0x4649 // "FI" -#define VpdSlotMapFormat 0x4D46 // "MF" -#define VpdSlotMap 0x534D // "SM" - -/* - * Structures of the areas - */ -struct MfgVpdAreaStruct { - u16 Tag; - u8 TagLength; - u8 AreaData1; - u8 AreaData2; -}; -typedef struct MfgVpdAreaStruct MfgArea; -#define MFG_ENTRY_SIZE 3 - -struct SlotMapStruct { - u8 AgentId; - u8 SecondaryAgentId; - u8 PhbId; - char CardLocation[3]; - char Parms[8]; - char Reserved[2]; -}; -typedef struct SlotMapStruct SlotMap; -#define SLOT_ENTRY_SIZE 16 - -/* - * Parse the Slot Area - */ -static void __init iSeries_Parse_SlotArea(SlotMap *MapPtr, int MapLen, - HvAgentId agent, u8 *PhbId, char card[4]) -{ - int SlotMapLen = MapLen; - SlotMap *SlotMapPtr = MapPtr; - - /* - * Parse Slot label until we find the one requested - */ - while (SlotMapLen > 0) { - if (SlotMapPtr->AgentId == agent) { - /* - * If Phb wasn't found, grab the entry first one found. - */ - if (*PhbId == 0xff) - *PhbId = SlotMapPtr->PhbId; - /* Found it, extract the data. */ - if (SlotMapPtr->PhbId == *PhbId) { - memcpy(card, &SlotMapPtr->CardLocation, 3); - card[3] = 0; - break; - } - } - /* Point to the next Slot */ - SlotMapPtr = (SlotMap *)((char *)SlotMapPtr + SLOT_ENTRY_SIZE); - SlotMapLen -= SLOT_ENTRY_SIZE; - } -} - -/* - * Parse the Mfg Area - */ -static void __init iSeries_Parse_MfgArea(u8 *AreaData, int AreaLen, - HvAgentId agent, u8 *PhbId, - u8 *frame, char card[4]) -{ - MfgArea *MfgAreaPtr = (MfgArea *)AreaData; - int MfgAreaLen = AreaLen; - u16 SlotMapFmt = 0; - - /* Parse Mfg Data */ - while (MfgAreaLen > 0) { - int MfgTagLen = MfgAreaPtr->TagLength; - /* Frame ID (FI 4649020310 ) */ - if (MfgAreaPtr->Tag == VpdFruFrameId) /* FI */ - *frame = MfgAreaPtr->AreaData1; - /* Slot Map Format (MF 4D46020004 ) */ - else if (MfgAreaPtr->Tag == VpdSlotMapFormat) /* MF */ - SlotMapFmt = (MfgAreaPtr->AreaData1 * 256) - + MfgAreaPtr->AreaData2; - /* Slot Map (SM 534D90 */ - else if (MfgAreaPtr->Tag == VpdSlotMap) { /* SM */ - SlotMap *SlotMapPtr; - - if (SlotMapFmt == 0x1004) - SlotMapPtr = (SlotMap *)((char *)MfgAreaPtr - + MFG_ENTRY_SIZE + 1); - else - SlotMapPtr = (SlotMap *)((char *)MfgAreaPtr - + MFG_ENTRY_SIZE); - iSeries_Parse_SlotArea(SlotMapPtr, MfgTagLen, - agent, PhbId, card); - } - /* - * Point to the next Mfg Area - * Use defined size, sizeof give wrong answer - */ - MfgAreaPtr = (MfgArea *)((char *)MfgAreaPtr + MfgTagLen - + MFG_ENTRY_SIZE); - MfgAreaLen -= (MfgTagLen + MFG_ENTRY_SIZE); - } -} - -/* - * Look for "BUS".. Data is not Null terminated. - * PHBID of 0xFF indicates PHB was not found in VPD Data. - */ -static int __init iSeries_Parse_PhbId(u8 *AreaPtr, int AreaLength) -{ - u8 *PhbPtr = AreaPtr; - int DataLen = AreaLength; - char PhbId = 0xFF; - - while (DataLen > 0) { - if ((*PhbPtr == 'B') && (*(PhbPtr + 1) == 'U') - && (*(PhbPtr + 2) == 'S')) { - PhbPtr += 3; - while (*PhbPtr == ' ') - ++PhbPtr; - PhbId = (*PhbPtr & 0x0F); - break; - } - ++PhbPtr; - --DataLen; - } - return PhbId; -} - -/* - * Parse out the VPD Areas - */ -static void __init iSeries_Parse_Vpd(u8 *VpdData, int VpdDataLen, - HvAgentId agent, u8 *frame, char card[4]) -{ - u8 *TagPtr = VpdData; - int DataLen = VpdDataLen - 3; - u8 PhbId = 0xff; - - while ((*TagPtr != VpdEndOfAreaTag) && (DataLen > 0)) { - int AreaLen = *(TagPtr + 1) + (*(TagPtr + 2) * 256); - u8 *AreaData = TagPtr + 3; - - if (*TagPtr == VpdIdStringTag) - PhbId = iSeries_Parse_PhbId(AreaData, AreaLen); - else if (*TagPtr == VpdVendorAreaTag) - iSeries_Parse_MfgArea(AreaData, AreaLen, - agent, &PhbId, frame, card); - /* Point to next Area. */ - TagPtr = AreaData + AreaLen; - DataLen -= AreaLen; - } -} - -static int __init iSeries_Get_Location_Code(u16 bus, HvAgentId agent, - u8 *frame, char card[4]) -{ - int status = 0; - int BusVpdLen = 0; - u8 *BusVpdPtr = kmalloc(BUS_VPDSIZE, GFP_KERNEL); - - if (BusVpdPtr == NULL) { - printk("PCI: Bus VPD Buffer allocation failure.\n"); - return 0; - } - BusVpdLen = HvCallPci_getBusVpd(bus, iseries_hv_addr(BusVpdPtr), - BUS_VPDSIZE); - if (BusVpdLen == 0) { - printk("PCI: Bus VPD Buffer zero length.\n"); - goto out_free; - } - /* printk("PCI: BusVpdPtr: %p, %d\n",BusVpdPtr, BusVpdLen); */ - /* Make sure this is what I think it is */ - if (*BusVpdPtr != VpdIdStringTag) { /* 0x82 */ - printk("PCI: Bus VPD Buffer missing starting tag.\n"); - goto out_free; - } - iSeries_Parse_Vpd(BusVpdPtr, BusVpdLen, agent, frame, card); - status = 1; -out_free: - kfree(BusVpdPtr); - return status; -} - -/* - * Prints the device information. - * - Pass in pci_dev* pointer to the device. - * - Pass in the device count - * - * Format: - * PCI: Bus 0, Device 26, Vendor 0x12AE Frame 1, Card C10 Ethernet - * controller - */ -void __init iSeries_Device_Information(struct pci_dev *PciDev, int count) -{ - struct device_node *DevNode = PciDev->sysdata; - struct pci_dn *pdn; - u16 bus; - u8 frame = 0; - char card[4]; - HvSubBusNumber subbus; - HvAgentId agent; - - if (DevNode == NULL) { - printk("%d. PCI: iSeries_Device_Information DevNode is NULL\n", - count); - return; - } - - pdn = PCI_DN(DevNode); - bus = pdn->busno; - subbus = pdn->bussubno; - agent = ISERIES_PCI_AGENTID(ISERIES_GET_DEVICE_FROM_SUBBUS(subbus), - ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus)); - - if (iSeries_Get_Location_Code(bus, agent, &frame, card)) { - printk("%d. PCI: Bus%3d, Device%3d, Vendor %04X Frame%3d, " - "Card %4s 0x%04X\n", count, bus, - PCI_SLOT(PciDev->devfn), PciDev->vendor, frame, - card, (int)(PciDev->class >> 8)); - } -} diff --git a/arch/powerpc/platforms/maple/Kconfig b/arch/powerpc/platforms/maple/Kconfig index f7c95eb5d8ba..a6467a5591fa 100644 --- a/arch/powerpc/platforms/maple/Kconfig +++ b/arch/powerpc/platforms/maple/Kconfig @@ -1,6 +1,7 @@ config PPC_MAPLE depends on PPC_MULTIPLATFORM && PPC64 bool "Maple 970FX Evaluation Board" + select PCI select MPIC select U3_DART select MPIC_U3_HT_IRQS diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c index 771ed0cf29a5..3ffa0ac170ee 100644 --- a/arch/powerpc/platforms/maple/pci.c +++ b/arch/powerpc/platforms/maple/pci.c @@ -558,7 +558,7 @@ void __init maple_pci_init(void) * safe assumptions hopefully. */ if (u3_agp) { - struct device_node *np = u3_agp->arch_data; + struct device_node *np = u3_agp->dn; PCI_DN(np)->busno = 0xf0; for (np = np->child; np; np = np->sibling) PCI_DN(np)->busno = 0xf0; diff --git a/arch/powerpc/platforms/pasemi/Kconfig b/arch/powerpc/platforms/pasemi/Kconfig index 735e1536cbfc..b3458a181a15 100644 --- a/arch/powerpc/platforms/pasemi/Kconfig +++ b/arch/powerpc/platforms/pasemi/Kconfig @@ -3,6 +3,7 @@ config PPC_PASEMI bool "PA Semi SoC-based platforms" default n select MPIC + select PCI select PPC_UDBG_16550 select PPC_NATIVE select MPIC_BROKEN_REGREAD @@ -17,7 +18,7 @@ config PPC_PASEMI_IOMMU bool "PA Semi IOMMU support" depends on PPC_PASEMI help - IOMMU support for PA6T-1682M + IOMMU support for PA Semi PWRficient config PPC_PASEMI_IOMMU_DMA_FORCE bool "Force DMA engine to use IOMMU" diff --git a/arch/powerpc/platforms/pasemi/cpufreq.c b/arch/powerpc/platforms/pasemi/cpufreq.c index 1cfb8b0c8fec..58556b028a4c 100644 --- a/arch/powerpc/platforms/pasemi/cpufreq.c +++ b/arch/powerpc/platforms/pasemi/cpufreq.c @@ -32,6 +32,7 @@ #include <asm/io.h> #include <asm/prom.h> #include <asm/time.h> +#include <asm/smp.h> #define SDCASR_REG 0x0100 #define SDCASR_REG_STRIDE 0x1000 @@ -124,6 +125,11 @@ static void set_astate(int cpu, unsigned int astate) local_irq_restore(flags); } +int check_astate(void) +{ + return get_cur_astate(hard_smp_processor_id()); +} + void restore_astate(int cpu) { set_astate(cpu, current_astate); @@ -147,7 +153,10 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy) if (!cpu) goto out; - dn = of_find_compatible_node(NULL, "sdc", "1682m-sdc"); + dn = of_find_compatible_node(NULL, NULL, "1682m-sdc"); + if (!dn) + dn = of_find_compatible_node(NULL, NULL, + "pasemi,pwrficient-sdc"); if (!dn) goto out; err = of_address_to_resource(dn, 0, &res); @@ -160,7 +169,10 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy) goto out; } - dn = of_find_compatible_node(NULL, "gizmo", "1682m-gizmo"); + dn = of_find_compatible_node(NULL, NULL, "1682m-gizmo"); + if (!dn) + dn = of_find_compatible_node(NULL, NULL, + "pasemi,pwrficient-gizmo"); if (!dn) { err = -ENODEV; goto out_unmap_sdcasr; @@ -292,7 +304,8 @@ static struct cpufreq_driver pas_cpufreq_driver = { static int __init pas_cpufreq_init(void) { - if (!machine_is_compatible("PA6T-1682M")) + if (!machine_is_compatible("PA6T-1682M") && + !machine_is_compatible("pasemi,pwrficient")) return -ENODEV; return cpufreq_register_driver(&pas_cpufreq_driver); diff --git a/arch/powerpc/platforms/pasemi/gpio_mdio.c b/arch/powerpc/platforms/pasemi/gpio_mdio.c index dae9f658122e..b46542990cf8 100644 --- a/arch/powerpc/platforms/pasemi/gpio_mdio.c +++ b/arch/powerpc/platforms/pasemi/gpio_mdio.c @@ -30,7 +30,7 @@ #include <linux/interrupt.h> #include <linux/phy.h> #include <linux/platform_device.h> -#include <asm/of_platform.h> +#include <linux/of_platform.h> #define DELAY 1 @@ -218,45 +218,27 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev, const struct of_device_id *match) { struct device *dev = &ofdev->dev; - struct device_node *np = ofdev->node; - struct device_node *gpio_np; + struct device_node *phy_dn, *np = ofdev->node; struct mii_bus *new_bus; - struct resource res; struct gpio_priv *priv; const unsigned int *prop; - int err = 0; + int err; int i; - gpio_np = of_find_compatible_node(NULL, "gpio", "1682m-gpio"); - - if (!gpio_np) - return -ENODEV; - - err = of_address_to_resource(gpio_np, 0, &res); - of_node_put(gpio_np); - - if (err) - return -EINVAL; - - if (!gpio_regs) - gpio_regs = ioremap(res.start, 0x100); - - if (!gpio_regs) - return -EPERM; - + err = -ENOMEM; priv = kzalloc(sizeof(struct gpio_priv), GFP_KERNEL); - if (priv == NULL) - return -ENOMEM; + if (!priv) + goto out; new_bus = kzalloc(sizeof(struct mii_bus), GFP_KERNEL); - if (new_bus == NULL) - return -ENOMEM; + if (!new_bus) + goto out_free_priv; - new_bus->name = "pasemi gpio mdio bus", - new_bus->read = &gpio_mdio_read, - new_bus->write = &gpio_mdio_write, - new_bus->reset = &gpio_mdio_reset, + new_bus->name = "pasemi gpio mdio bus"; + new_bus->read = &gpio_mdio_read; + new_bus->write = &gpio_mdio_write; + new_bus->reset = &gpio_mdio_reset; prop = of_get_property(np, "reg", NULL); new_bus->id = *prop; @@ -265,9 +247,24 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev, new_bus->phy_mask = 0; new_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL); - for(i = 0; i < PHY_MAX_ADDR; ++i) - new_bus->irq[i] = irq_create_mapping(NULL, 10); + if (!new_bus->irq) + goto out_free_bus; + + for (i = 0; i < PHY_MAX_ADDR; i++) + new_bus->irq[i] = NO_IRQ; + + for (phy_dn = of_get_next_child(np, NULL); + phy_dn != NULL; + phy_dn = of_get_next_child(np, phy_dn)) { + const unsigned int *ip, *regp; + + ip = of_get_property(phy_dn, "interrupts", NULL); + regp = of_get_property(phy_dn, "reg", NULL); + if (!ip || !regp || *regp >= PHY_MAX_ADDR) + continue; + new_bus->irq[*regp] = irq_create_mapping(NULL, *ip); + } prop = of_get_property(np, "mdc-pin", NULL); priv->mdc_pin = *prop; @@ -280,17 +277,21 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev, err = mdiobus_register(new_bus); - if (0 != err) { + if (err != 0) { printk(KERN_ERR "%s: Cannot register as MDIO bus, err %d\n", new_bus->name, err); - goto bus_register_fail; + goto out_free_irq; } return 0; -bus_register_fail: +out_free_irq: + kfree(new_bus->irq); +out_free_bus: kfree(new_bus); - +out_free_priv: + kfree(priv); +out: return err; } @@ -317,6 +318,7 @@ static struct of_device_id gpio_mdio_match[] = }, {}, }; +MODULE_DEVICE_TABLE(of, gpio_mdio_match); static struct of_platform_driver gpio_mdio_driver = { @@ -330,12 +332,32 @@ static struct of_platform_driver gpio_mdio_driver = int gpio_mdio_init(void) { + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "1682m-gpio"); + if (!np) + np = of_find_compatible_node(NULL, NULL, + "pasemi,pwrficient-gpio"); + if (!np) + return -ENODEV; + gpio_regs = of_iomap(np, 0); + of_node_put(np); + + if (!gpio_regs) + return -ENODEV; + return of_register_platform_driver(&gpio_mdio_driver); } +module_init(gpio_mdio_init); void gpio_mdio_exit(void) { of_unregister_platform_driver(&gpio_mdio_driver); + if (gpio_regs) + iounmap(gpio_regs); } -device_initcall(gpio_mdio_init); +module_exit(gpio_mdio_exit); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Olof Johansson <olof@lixom.net>"); +MODULE_DESCRIPTION("Driver for MDIO over GPIO on PA Semi PWRficient-based boards"); diff --git a/arch/powerpc/platforms/pasemi/pasemi.h b/arch/powerpc/platforms/pasemi/pasemi.h index 516acabb4e96..c96127b029b6 100644 --- a/arch/powerpc/platforms/pasemi/pasemi.h +++ b/arch/powerpc/platforms/pasemi/pasemi.h @@ -16,8 +16,14 @@ extern void idle_doze(void); /* Restore astate to last set */ #ifdef CONFIG_PPC_PASEMI_CPUFREQ +extern int check_astate(void); extern void restore_astate(int cpu); #else +static inline int check_astate(void) +{ + /* Always return >0 so we never power save */ + return 1; +} static inline void restore_astate(int cpu) { } diff --git a/arch/powerpc/platforms/pasemi/powersave.S b/arch/powerpc/platforms/pasemi/powersave.S index 6d0fba6aab17..56f45adcd089 100644 --- a/arch/powerpc/platforms/pasemi/powersave.S +++ b/arch/powerpc/platforms/pasemi/powersave.S @@ -62,7 +62,16 @@ sleep_common: mflr r0 std r0, 16(r1) stdu r1,-64(r1) +#ifdef CONFIG_PPC_PASEMI_CPUFREQ + std r3, 48(r1) + /* Only do power savings when in astate 0 */ + bl .check_astate + cmpwi r3,0 + bne 1f + + ld r3, 48(r1) +#endif LOAD_REG_IMMEDIATE(r6,MSR_DR|MSR_IR|MSR_ME|MSR_EE) mfmsr r4 andc r5,r4,r6 @@ -73,7 +82,7 @@ sleep_common: mtmsrd r4,0 - addi r1,r1,64 +1: addi r1,r1,64 ld r0,16(r1) mtlr r0 blr diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c index 3d62060498b4..b5dfd4252110 100644 --- a/arch/powerpc/platforms/pasemi/setup.c +++ b/arch/powerpc/platforms/pasemi/setup.c @@ -27,6 +27,7 @@ #include <linux/delay.h> #include <linux/console.h> #include <linux/pci.h> +#include <linux/of_platform.h> #include <asm/prom.h> #include <asm/system.h> @@ -35,7 +36,7 @@ #include <asm/mpic.h> #include <asm/smp.h> #include <asm/time.h> -#include <asm/of_platform.h> +#include <asm/mmu.h> #include <pcmcia/ss.h> #include <pcmcia/cistpl.h> @@ -43,6 +44,10 @@ #include "pasemi.h" +#if !defined(CONFIG_SMP) +static void smp_send_stop(void) {} +#endif + /* SDC reset register, must be pre-mapped at reset time */ static void __iomem *reset_reg; @@ -60,6 +65,9 @@ static int num_mce_regs; static void pas_restart(char *cmd) { + /* Need to put others cpu in hold loop so they're not sleeping */ + smp_send_stop(); + udelay(10000); printk("Restarting...\n"); while (1) out_le32(reset_reg, 0x6000000); @@ -215,7 +223,7 @@ static __init void pas_init_IRQ(void) mpic = mpic_alloc(mpic_node, openpic_addr, MPIC_PRIMARY|MPIC_LARGE_VECTORS, - 0, 0, " PAS-OPIC "); + 0, 0, "PASEMI-OPIC"); BUG_ON(!mpic); mpic_assign_isu(mpic, 0, openpic_addr + 0x10000); @@ -295,7 +303,7 @@ static int pas_machine_check_handler(struct pt_regs *regs) int i; printk(KERN_ERR "slb contents:\n"); - for (i = 0; i < SLB_NUM_ENTRIES; i++) { + for (i = 0; i < mmu_slb_size; i++) { asm volatile("slbmfee %0,%1" : "=r" (e) : "r" (i)); asm volatile("slbmfev %0,%1" : "=r" (v) : "r" (i)); printk(KERN_ERR "%02d %016lx %016lx\n", i, e, v); @@ -362,8 +370,12 @@ static inline void pasemi_pcmcia_init(void) static struct of_device_id pasemi_bus_ids[] = { + /* Unfortunately needed for legacy firmwares */ { .type = "localbus", }, { .type = "sdc", }, + /* These are the proper entries, which newer firmware uses */ + { .compatible = "pasemi,localbus", }, + { .compatible = "pasemi,sdc", }, {}, }; @@ -389,7 +401,8 @@ static int __init pas_probe(void) { unsigned long root = of_get_flat_dt_root(); - if (!of_flat_dt_is_compatible(root, "PA6T-1682M")) + if (!of_flat_dt_is_compatible(root, "PA6T-1682M") && + !of_flat_dt_is_compatible(root, "pasemi,pwrficient")) return 0; hpte_init_native(); @@ -400,7 +413,7 @@ static int __init pas_probe(void) } define_machine(pasemi) { - .name = "PA Semi PA6T-1682M", + .name = "PA Semi PWRficient", .probe = pas_probe, .setup_arch = pas_setup_arch, .init_early = pas_init_early, diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index f852ae3e0ee4..1c58db9d42cb 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -40,8 +40,6 @@ static int has_uninorth; #ifdef CONFIG_PPC64 static struct pci_controller *u3_agp; -static struct pci_controller *u4_pcie; -static struct pci_controller *u3_ht; #else static int has_second_ohare; #endif /* CONFIG_PPC64 */ @@ -314,12 +312,15 @@ static int u3_ht_skip_device(struct pci_controller *hose, /* We only allow config cycles to devices that are in OF device-tree * as we are apparently having some weird things going on with some - * revs of K2 on recent G5s + * revs of K2 on recent G5s, except for the host bridge itself, which + * is missing from the tree but we know we can probe. */ if (bus->self) busdn = pci_device_to_OF_node(bus->self); + else if (devfn == 0) + return 0; else - busdn = hose->arch_data; + busdn = hose->dn; for (dn = busdn->child; dn; dn = dn->sibling) if (PCI_DN(dn) && PCI_DN(dn)->devfn == devfn) break; @@ -344,14 +345,15 @@ static int u3_ht_skip_device(struct pci_controller *hose, + (((unsigned int)bus) << 16) \ + 0x01000000UL) -static volatile void __iomem *u3_ht_cfg_access(struct pci_controller* hose, - u8 bus, u8 devfn, u8 offset) +static void __iomem *u3_ht_cfg_access(struct pci_controller *hose, u8 bus, + u8 devfn, u8 offset, int *swap) { + *swap = 1; if (bus == hose->first_busno) { - /* For now, we don't self probe U3 HT bridge */ - if (PCI_SLOT(devfn) == 0) - return NULL; - return hose->cfg_data + U3_HT_CFA0(devfn, offset); + if (devfn != 0) + return hose->cfg_data + U3_HT_CFA0(devfn, offset); + *swap = 0; + return ((void __iomem *)hose->cfg_addr) + (offset << 2); } else return hose->cfg_data + U3_HT_CFA1(bus, devfn, offset); } @@ -360,14 +362,15 @@ static int u3_ht_read_config(struct pci_bus *bus, unsigned int devfn, int offset, int len, u32 *val) { struct pci_controller *hose; - volatile void __iomem *addr; + void __iomem *addr; + int swap; hose = pci_bus_to_host(bus); if (hose == NULL) return PCIBIOS_DEVICE_NOT_FOUND; if (offset >= 0x100) return PCIBIOS_BAD_REGISTER_NUMBER; - addr = u3_ht_cfg_access(hose, bus->number, devfn, offset); + addr = u3_ht_cfg_access(hose, bus->number, devfn, offset, &swap); if (!addr) return PCIBIOS_DEVICE_NOT_FOUND; @@ -397,10 +400,10 @@ static int u3_ht_read_config(struct pci_bus *bus, unsigned int devfn, *val = in_8(addr); break; case 2: - *val = in_le16(addr); + *val = swap ? in_le16(addr) : in_be16(addr); break; default: - *val = in_le32(addr); + *val = swap ? in_le32(addr) : in_be32(addr); break; } return PCIBIOS_SUCCESSFUL; @@ -410,14 +413,15 @@ static int u3_ht_write_config(struct pci_bus *bus, unsigned int devfn, int offset, int len, u32 val) { struct pci_controller *hose; - volatile void __iomem *addr; + void __iomem *addr; + int swap; hose = pci_bus_to_host(bus); if (hose == NULL) return PCIBIOS_DEVICE_NOT_FOUND; if (offset >= 0x100) return PCIBIOS_BAD_REGISTER_NUMBER; - addr = u3_ht_cfg_access(hose, bus->number, devfn, offset); + addr = u3_ht_cfg_access(hose, bus->number, devfn, offset, &swap); if (!addr) return PCIBIOS_DEVICE_NOT_FOUND; @@ -439,10 +443,10 @@ static int u3_ht_write_config(struct pci_bus *bus, unsigned int devfn, out_8(addr, val); break; case 2: - out_le16(addr, val); + swap ? out_le16(addr, val) : out_be16(addr, val); break; default: - out_le32((u32 __iomem *)addr, val); + swap ? out_le32(addr, val) : out_be32(addr, val); break; } return PCIBIOS_SUCCESSFUL; @@ -725,7 +729,7 @@ static void __init setup_bandit(struct pci_controller *hose, static int __init setup_uninorth(struct pci_controller *hose, struct resource *addr) { - pci_assign_all_buses = 1; + ppc_pci_flags |= PPC_PCI_REASSIGN_ALL_BUS; has_uninorth = 1; hose->ops = ¯isc_pci_ops; hose->cfg_addr = ioremap(addr->start + 0x800000, 0x1000); @@ -773,31 +777,72 @@ static void __init setup_u4_pcie(struct pci_controller* hose) */ hose->first_busno = 0x00; hose->last_busno = 0xff; - u4_pcie = hose; } -static void __init setup_u3_ht(struct pci_controller* hose) +static void __init parse_region_decode(struct pci_controller *hose, + u32 decode) { - struct device_node *np = (struct device_node *)hose->arch_data; - struct pci_controller *other = NULL; - int i, cur; + unsigned long base, end, next = -1; + int i, cur = -1; + /* Iterate through all bits. We ignore the last bit as this region is + * reserved for the ROM among other niceties + */ + for (i = 0; i < 31; i++) { + if ((decode & (0x80000000 >> i)) == 0) + continue; + if (i < 16) { + base = 0xf0000000 | (((u32)i) << 24); + end = base + 0x00ffffff; + } else { + base = ((u32)i-16) << 28; + end = base + 0x0fffffff; + } + if (base != next) { + if (++cur >= 3) { + printk(KERN_WARNING "PCI: Too many ranges !\n"); + break; + } + hose->mem_resources[cur].flags = IORESOURCE_MEM; + hose->mem_resources[cur].name = hose->dn->full_name; + hose->mem_resources[cur].start = base; + hose->mem_resources[cur].end = end; + DBG(" %d: 0x%08lx-0x%08lx\n", cur, base, end); + } else { + DBG(" : -0x%08lx\n", end); + hose->mem_resources[cur].end = end; + } + next = end + 1; + } +} + +static void __init setup_u3_ht(struct pci_controller* hose) +{ + struct device_node *np = hose->dn; + struct resource cfg_res, self_res; + u32 decode; hose->ops = &u3_ht_pci_ops; - /* We hard code the address because of the different size of - * the reg address cell, we shall fix that by killing struct - * reg_property and using some accessor functions instead + /* Get base addresses from OF tree */ - hose->cfg_data = ioremap(0xf2000000, 0x02000000); + if (of_address_to_resource(np, 0, &cfg_res) || + of_address_to_resource(np, 1, &self_res)) { + printk(KERN_ERR "PCI: Failed to get U3/U4 HT resources !\n"); + return; + } + + /* Map external cfg space access into cfg_data and self registers + * into cfg_addr + */ + hose->cfg_data = ioremap(cfg_res.start, 0x02000000); + hose->cfg_addr = ioremap(self_res.start, + self_res.end - self_res.start + 1); /* - * /ht node doesn't expose a "ranges" property, so we "remove" - * regions that have been allocated to AGP. So far, this version of - * the code doesn't assign any of the 0xfxxxxxxx "fine" memory regions - * to /ht. We need to fix that sooner or later by either parsing all - * child "ranges" properties or figuring out the U3 address space - * decoding logic and then read its configuration register (if any). + * /ht node doesn't expose a "ranges" property, we read the register + * that controls the decoding logic and use that for memory regions. + * The IO region is hard coded since it is fixed in HW as well. */ hose->io_base_phys = 0xf4000000; hose->pci_io_size = 0x00400000; @@ -808,76 +853,33 @@ static void __init setup_u3_ht(struct pci_controller* hose) hose->pci_mem_offset = 0; hose->first_busno = 0; hose->last_busno = 0xef; - hose->mem_resources[0].name = np->full_name; - hose->mem_resources[0].start = 0x80000000; - hose->mem_resources[0].end = 0xefffffff; - hose->mem_resources[0].flags = IORESOURCE_MEM; - - u3_ht = hose; - if (u3_agp != NULL) - other = u3_agp; - else if (u4_pcie != NULL) - other = u4_pcie; - - if (other == NULL) { - DBG("U3/4 has no AGP/PCIE, using full resource range\n"); - return; - } + /* Note: fix offset when cfg_addr becomes a void * */ + decode = in_be32(hose->cfg_addr + 0x80); - /* Fixup bus range vs. PCIE */ - if (u4_pcie) - hose->last_busno = u4_pcie->first_busno - 1; + DBG("PCI: Apple HT bridge decode register: 0x%08x\n", decode); - /* We "remove" the AGP resources from the resources allocated to HT, - * that is we create "holes". However, that code does assumptions - * that so far happen to be true (cross fingers...), typically that - * resources in the AGP node are properly ordered + /* NOTE: The decode register setup is a bit weird... region + * 0xf8000000 for example is marked as enabled in there while it's + & actually the memory controller registers. + * That means that we are incorrectly attributing it to HT. + * + * In a similar vein, region 0xf4000000 is actually the HT IO space but + * also marked as enabled in here and 0xf9000000 is used by some other + * internal bits of the northbridge. + * + * Unfortunately, we can't just mask out those bit as we would end + * up with more regions than we can cope (linux can only cope with + * 3 memory regions for a PHB at this stage). + * + * So for now, we just do a little hack. We happen to -know- that + * Apple firmware doesn't assign things below 0xfa000000 for that + * bridge anyway so we mask out all bits we don't want. */ - cur = 0; - for (i=0; i<3; i++) { - struct resource *res = &other->mem_resources[i]; - if (res->flags != IORESOURCE_MEM) - continue; - /* We don't care about "fine" resources */ - if (res->start >= 0xf0000000) - continue; - /* Check if it's just a matter of "shrinking" us in one - * direction - */ - if (hose->mem_resources[cur].start == res->start) { - DBG("U3/HT: shrink start of %d, %08lx -> %08lx\n", - cur, hose->mem_resources[cur].start, - res->end + 1); - hose->mem_resources[cur].start = res->end + 1; - continue; - } - if (hose->mem_resources[cur].end == res->end) { - DBG("U3/HT: shrink end of %d, %08lx -> %08lx\n", - cur, hose->mem_resources[cur].end, - res->start - 1); - hose->mem_resources[cur].end = res->start - 1; - continue; - } - /* No, it's not the case, we need a hole */ - if (cur == 2) { - /* not enough resources for a hole, we drop part - * of the range - */ - printk(KERN_WARNING "Running out of resources" - " for /ht host !\n"); - hose->mem_resources[cur].end = res->start - 1; - continue; - } - cur++; - DBG("U3/HT: hole, %d end at %08lx, %d start at %08lx\n", - cur-1, res->start - 1, cur, res->end + 1); - hose->mem_resources[cur].name = np->full_name; - hose->mem_resources[cur].flags = IORESOURCE_MEM; - hose->mem_resources[cur].start = res->end + 1; - hose->mem_resources[cur].end = hose->mem_resources[cur-1].end; - hose->mem_resources[cur-1].end = res->start - 1; - } + decode &= 0x003fffff; + + /* Now parse the resulting bits and build resources */ + parse_region_decode(hose, decode); } #endif /* CONFIG_PPC64 */ @@ -994,6 +996,8 @@ void __init pmac_pci_init(void) struct device_node *np, *root; struct device_node *ht = NULL; + ppc_pci_flags = PPC_PCI_CAN_SKIP_ISA_ALIGN; + root = of_find_node_by_path("/"); if (root == NULL) { printk(KERN_CRIT "pmac_pci_init: can't find root " @@ -1032,15 +1036,15 @@ void __init pmac_pci_init(void) * future though */ if (u3_agp) { - struct device_node *np = u3_agp->arch_data; + struct device_node *np = u3_agp->dn; PCI_DN(np)->busno = 0xf0; for (np = np->child; np; np = np->sibling) PCI_DN(np)->busno = 0xf0; } /* pmac_check_ht_link(); */ - /* Tell pci.c to not use the common resource allocation mechanism */ - pci_probe_only = 1; + /* We can allocate missing resources if any */ + pci_probe_only = 0; #else /* CONFIG_PPC64 */ init_p2pbridge(); @@ -1051,13 +1055,13 @@ void __init pmac_pci_init(void) * some offset between bus number and domains for now when we * assign all busses should help for now */ - if (pci_assign_all_buses) + if (ppc_pci_flags & PPC_PCI_REASSIGN_ALL_BUS) pcibios_assign_bus_offset = 0x10; #endif } -int -pmac_pci_enable_device_hook(struct pci_dev *dev, int initial) +#ifdef CONFIG_PPC32 +int pmac_pci_enable_device_hook(struct pci_dev *dev) { struct device_node* node; int updatecfg = 0; @@ -1099,24 +1103,21 @@ pmac_pci_enable_device_hook(struct pci_dev *dev, int initial) updatecfg = 1; } + /* + * Fixup various header fields on 32 bits. We don't do that on + * 64 bits as some of these have strange values behind the HT + * bridge and we must not, for example, enable MWI or set the + * cache line size on them. + */ if (updatecfg) { u16 cmd; - /* - * Make sure PCI is correctly configured - * - * We use old pci_bios versions of the function since, by - * default, gmac is not powered up, and so will be absent - * from the kernel initial PCI lookup. - * - * Should be replaced by 2.4 new PCI mechanisms and really - * register the device. - */ pci_read_config_word(dev, PCI_COMMAND, &cmd); cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE; pci_write_config_word(dev, PCI_COMMAND, cmd); pci_write_config_byte(dev, PCI_LATENCY_TIMER, 16); + pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES >> 2); } @@ -1124,6 +1125,18 @@ pmac_pci_enable_device_hook(struct pci_dev *dev, int initial) return 0; } +void __devinit pmac_pci_fixup_ohci(struct pci_dev *dev) +{ + struct device_node *node = pci_device_to_OF_node(dev); + + /* We don't want to assign resources to USB controllers + * absent from the OF tree (iBook second controller) + */ + if (dev->class == PCI_CLASS_SERIAL_USB_OHCI && !node) + dev->resource[0].flags = 0; +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_APPLE, PCI_ANY_ID, pmac_pci_fixup_ohci); + /* We power down some devices after they have been probed. They'll * be powered back on later on */ @@ -1171,7 +1184,6 @@ void __init pmac_pcibios_after_init(void) of_node_put(nd); } -#ifdef CONFIG_PPC32 void pmac_pci_fixup_cardbus(struct pci_dev* dev) { if (!machine_is(powermac)) @@ -1259,7 +1271,7 @@ void pmac_pci_fixup_pciata(struct pci_dev* dev) } } DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, pmac_pci_fixup_pciata); -#endif +#endif /* CONFIG_PPC32 */ /* * Disable second function on K2-SATA, it's broken diff --git a/arch/powerpc/platforms/powermac/pmac.h b/arch/powerpc/platforms/powermac/pmac.h index fcde070f7054..b3abaaf61eb4 100644 --- a/arch/powerpc/platforms/powermac/pmac.h +++ b/arch/powerpc/platforms/powermac/pmac.h @@ -26,7 +26,7 @@ extern void pmac_pci_init(void); extern void pmac_nvram_update(void); extern unsigned char pmac_nvram_read_byte(int addr); extern void pmac_nvram_write_byte(int addr, unsigned char val); -extern int pmac_pci_enable_device_hook(struct pci_dev *dev, int initial); +extern int pmac_pci_enable_device_hook(struct pci_dev *dev); extern void pmac_pcibios_after_init(void); extern int of_show_percpuinfo(struct seq_file *m, int i); diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c index 02c533096627..adad4e976381 100644 --- a/arch/powerpc/platforms/powermac/setup.c +++ b/arch/powerpc/platforms/powermac/setup.c @@ -51,6 +51,8 @@ #include <linux/root_dev.h> #include <linux/bitops.h> #include <linux/suspend.h> +#include <linux/of_device.h> +#include <linux/of_platform.h> #include <asm/reg.h> #include <asm/sections.h> @@ -68,8 +70,6 @@ #include <asm/btext.h> #include <asm/pmac_feature.h> #include <asm/time.h> -#include <asm/of_device.h> -#include <asm/of_platform.h> #include <asm/mmu_context.h> #include <asm/iommu.h> #include <asm/smu.h> @@ -94,7 +94,6 @@ extern struct machdep_calls pmac_md; #define DEFAULT_ROOT_DEVICE Root_SDA1 /* sda1 - slightly silly choice */ #ifdef CONFIG_PPC64 -#include <asm/udbg.h> int sccdbg; #endif @@ -613,9 +612,11 @@ static int pmac_pci_probe_mode(struct pci_bus *bus) /* We need to use normal PCI probing for the AGP bus, * since the device for the AGP bridge isn't in the tree. + * Same for the PCIe host on U4 and the HT host bridge. */ if (bus->self == NULL && (of_device_is_compatible(node, "u3-agp") || - of_device_is_compatible(node, "u4-pcie"))) + of_device_is_compatible(node, "u4-pcie") || + of_device_is_compatible(node, "u3-ht"))) return PCI_PROBE_NORMAL; return PCI_PROBE_DEVTREE; } diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c index bf9da56942e8..bbbefd64ab59 100644 --- a/arch/powerpc/platforms/powermac/time.c +++ b/arch/powerpc/platforms/powermac/time.c @@ -84,12 +84,14 @@ long __init pmac_time_init(void) return delta; } +#if defined(CONFIG_ADB_CUDA) || defined(CONFIG_ADB_PMU) static void to_rtc_time(unsigned long now, struct rtc_time *tm) { to_tm(now, tm); tm->tm_year -= 1900; tm->tm_mon -= 1; } +#endif static unsigned long from_rtc_time(struct rtc_time *tm) { diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c index d1630a074acf..5ad41189b494 100644 --- a/arch/powerpc/platforms/ps3/spu.c +++ b/arch/powerpc/platforms/ps3/spu.c @@ -28,6 +28,7 @@ #include <asm/spu_priv1.h> #include <asm/lv1call.h> +#include "../cell/spufs/spufs.h" #include "platform.h" /* spu_management_ops */ @@ -419,10 +420,34 @@ static int ps3_init_affinity(void) return 0; } +/** + * ps3_enable_spu - Enable SPU run control. + * + * An outstanding enhancement for the PS3 would be to add a guard to check + * for incorrect access to the spu problem state when the spu context is + * disabled. This check could be implemented with a flag added to the spu + * context that would inhibit mapping problem state pages, and a routine + * to unmap spu problem state pages. When the spu is enabled with + * ps3_enable_spu() the flag would be set allowing pages to be mapped, + * and when the spu is disabled with ps3_disable_spu() the flag would be + * cleared and the mapped problem state pages would be unmapped. + */ + +static void ps3_enable_spu(struct spu_context *ctx) +{ +} + +static void ps3_disable_spu(struct spu_context *ctx) +{ + ctx->ops->runcntl_stop(ctx); +} + const struct spu_management_ops spu_management_ps3_ops = { .enumerate_spus = ps3_enumerate_spus, .create_spu = ps3_create_spu, .destroy_spu = ps3_destroy_spu, + .enable_spu = ps3_enable_spu, + .disable_spu = ps3_disable_spu, .init_affinity = ps3_init_affinity, }; @@ -505,8 +530,6 @@ static void mfc_sr1_set(struct spu *spu, u64 sr1) static const u64 allowed = ~(MFC_STATE1_LOCAL_STORAGE_DECODE_MASK | MFC_STATE1_PROBLEM_STATE_MASK); - sr1 |= MFC_STATE1_MASTER_RUN_CONTROL_MASK; - BUG_ON((sr1 & allowed) != (spu_pdata(spu)->cache.sr1 & allowed)); spu_pdata(spu)->cache.sr1 = sr1; diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index fb3d636e088b..aa14a8559edb 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -480,6 +480,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) no_dn++; return 0; } + dn = find_device_pe(dn); pdn = PCI_DN(dn); /* Access to IO BARs might get this far and still not want checking. */ @@ -545,7 +546,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) /* Note that config-io to empty slots may fail; * they are empty when they don't have children. */ - if ((rets[0] == 5) && (dn->child == NULL)) { + if ((rets[0] == 5) && (rets[2] == 0) && (dn->child == NULL)) { false_positives++; pdn->eeh_false_positives ++; rc = 0; diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c index 57e025e84ab4..68ea5eee39a8 100644 --- a/arch/powerpc/platforms/pseries/eeh_driver.c +++ b/arch/powerpc/platforms/pseries/eeh_driver.c @@ -310,8 +310,6 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event) const char *location, *pci_str, *drv_str; frozen_dn = find_device_pe(event->dn); - frozen_bus = pcibios_find_pci_bus(frozen_dn); - if (!frozen_dn) { location = of_get_property(event->dn, "ibm,loc-code", NULL); @@ -321,6 +319,8 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event) location, pci_name(event->dev)); return NULL; } + + frozen_bus = pcibios_find_pci_bus(frozen_dn); location = of_get_property(frozen_dn, "ibm,loc-code", NULL); location = location ? location : "unknown"; @@ -354,13 +354,6 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event) if (frozen_pdn->eeh_freeze_count > EEH_MAX_ALLOWED_FREEZES) goto excess_failures; - /* Get the current PCI slot state. */ - rc = eeh_wait_for_slot_status (frozen_pdn, MAX_WAIT_FOR_RECOVERY*1000); - if (rc < 0) { - printk(KERN_WARNING "EEH: Permanent failure\n"); - goto hard_fail; - } - printk(KERN_WARNING "EEH: This PCI device has failed %d times in the last hour:\n", frozen_pdn->eeh_freeze_count); @@ -376,6 +369,14 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event) */ pci_walk_bus(frozen_bus, eeh_report_error, &result); + /* Get the current PCI slot state. This can take a long time, + * sometimes over 3 seconds for certain systems. */ + rc = eeh_wait_for_slot_status (frozen_pdn, MAX_WAIT_FOR_RECOVERY*1000); + if (rc < 0) { + printk(KERN_WARNING "EEH: Permanent failure\n"); + goto hard_fail; + } + /* Since rtas may enable MMIO when posting the error log, * don't post the error log until after all dev drivers * have been informed. diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index be17d2395072..a65c76308201 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -251,7 +251,7 @@ static void iommu_table_setparms(struct pci_controller *phb, const unsigned long *basep; const u32 *sizep; - node = (struct device_node *)phb->arch_data; + node = phb->dn; basep = of_get_property(node, "linux,tce-base", NULL); sizep = of_get_property(node, "linux,tce-size", NULL); @@ -296,11 +296,12 @@ static void iommu_table_setparms(struct pci_controller *phb, static void iommu_table_setparms_lpar(struct pci_controller *phb, struct device_node *dn, struct iommu_table *tbl, - const void *dma_window) + const void *dma_window, + int bussubno) { unsigned long offset, size; - tbl->it_busno = PCI_DN(dn)->bussubno; + tbl->it_busno = bussubno; of_parse_dma_window(dn, dma_window, &tbl->it_index, &offset, &size); tbl->it_base = 0; @@ -420,17 +421,10 @@ static void pci_dma_bus_setup_pSeriesLP(struct pci_bus *bus) pdn->full_name, ppci->iommu_table); if (!ppci->iommu_table) { - /* Bussubno hasn't been copied yet. - * Do it now because iommu_table_setparms_lpar needs it. - */ - - ppci->bussubno = bus->number; - tbl = kmalloc_node(sizeof(struct iommu_table), GFP_KERNEL, ppci->phb->node); - - iommu_table_setparms_lpar(ppci->phb, pdn, tbl, dma_window); - + iommu_table_setparms_lpar(ppci->phb, pdn, tbl, dma_window, + bus->number); ppci->iommu_table = iommu_init_table(tbl, ppci->phb->node); DBG(" created table: %p\n", ppci->iommu_table); } @@ -523,14 +517,10 @@ static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev) pci = PCI_DN(pdn); if (!pci->iommu_table) { - /* iommu_table_setparms_lpar needs bussubno. */ - pci->bussubno = pci->phb->bus->number; - tbl = kmalloc_node(sizeof(struct iommu_table), GFP_KERNEL, pci->phb->node); - - iommu_table_setparms_lpar(pci->phb, pdn, tbl, dma_window); - + iommu_table_setparms_lpar(pci->phb, pdn, tbl, dma_window, + pci->phb->bus->number); pci->iommu_table = iommu_init_table(tbl, pci->phb->node); DBG(" created table: %p\n", pci->iommu_table); } else { @@ -556,7 +546,7 @@ static int iommu_reconfig_notifier(struct notifier_block *nb, unsigned long acti case PSERIES_RECONFIG_REMOVE: if (pci && pci->iommu_table && of_get_property(np, "ibm,dma-window", NULL)) - iommu_free_table(np); + iommu_free_table(pci->iommu_table, np->full_name); break; default: err = NOTIFY_DONE; diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c index 47f0e0857f0e..5a5a19e40bb4 100644 --- a/arch/powerpc/platforms/pseries/pci_dlpar.c +++ b/arch/powerpc/platforms/pseries/pci_dlpar.c @@ -83,7 +83,7 @@ EXPORT_SYMBOL_GPL(pcibios_remove_pci_devices); /* Must be called before pci_bus_add_devices */ void -pcibios_fixup_new_pci_devices(struct pci_bus *bus, int fix_bus) +pcibios_fixup_new_pci_devices(struct pci_bus *bus) { struct pci_dev *dev; @@ -98,8 +98,6 @@ pcibios_fixup_new_pci_devices(struct pci_bus *bus, int fix_bus) /* Fill device archdata and setup iommu table */ pcibios_setup_new_device(dev); - if(fix_bus) - pcibios_fixup_device_resources(dev, bus); pci_read_irq_line(dev); for (i = 0; i < PCI_NUM_RESOURCES; i++) { struct resource *r = &dev->resource[i]; @@ -132,8 +130,8 @@ pcibios_pci_config_bridge(struct pci_dev *dev) pci_scan_child_bus(child_bus); - /* Fixup new pci devices without touching bus struct */ - pcibios_fixup_new_pci_devices(child_bus, 0); + /* Fixup new pci devices */ + pcibios_fixup_new_pci_devices(child_bus); /* Make the discovered devices available */ pci_bus_add_devices(child_bus); @@ -169,7 +167,7 @@ pcibios_add_pci_devices(struct pci_bus * bus) /* use ofdt-based probe */ of_scan_bus(dn, bus); if (!list_empty(&bus->devices)) { - pcibios_fixup_new_pci_devices(bus, 0); + pcibios_fixup_new_pci_devices(bus); pci_bus_add_devices(bus); eeh_add_device_tree_late(bus); } @@ -178,7 +176,7 @@ pcibios_add_pci_devices(struct pci_bus * bus) slotno = PCI_SLOT(PCI_DN(dn->child)->devfn); num = pci_scan_slot(bus, PCI_DEVFN(slotno, 0)); if (num) { - pcibios_fixup_new_pci_devices(bus, 1); + pcibios_fixup_new_pci_devices(bus); pci_bus_add_devices(bus); eeh_add_device_tree_late(bus); } @@ -208,7 +206,7 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn) eeh_add_device_tree_early(dn); scan_phb(phb); - pcibios_fixup_new_pci_devices(phb->bus, 0); + pcibios_fixup_new_pci_devices(phb->bus); pci_bus_add_devices(phb->bus); eeh_add_device_tree_late(phb->bus); diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h index d003c80fa31d..d8680b589dc9 100644 --- a/arch/powerpc/platforms/pseries/plpar_wrappers.h +++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h @@ -8,11 +8,6 @@ static inline long poll_pending(void) return plpar_hcall_norets(H_POLL_PENDING); } -static inline long prod_processor(void) -{ - return plpar_hcall_norets(H_PROD); -} - static inline long cede_processor(void) { return plpar_hcall_norets(H_CEDE); diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index 116305b22a2b..ea4c65917a64 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -46,6 +46,7 @@ #include <asm/pSeries_reconfig.h> #include <asm/mpic.h> #include <asm/vdso_datapage.h> +#include <asm/cputhreads.h> #include "plpar_wrappers.h" #include "pseries.h" @@ -202,7 +203,7 @@ static int smp_pSeries_cpu_bootable(unsigned int nr) */ if (system_state < SYSTEM_RUNNING && cpu_has_feature(CPU_FTR_SMT) && - !smt_enabled_at_boot && nr % 2 != 0) + !smt_enabled_at_boot && cpu_thread_in_core(nr) != 0) return 0; return 1; diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 66e7d68ffeb1..8f8dd9c3ca6b 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -87,19 +87,25 @@ static int ibm_int_off; /* Direct HW low level accessors */ -static inline unsigned int direct_xirr_info_get(int n_cpu) +static inline unsigned int direct_xirr_info_get(void) { - return in_be32(&xics_per_cpu[n_cpu]->xirr.word); + int cpu = smp_processor_id(); + + return in_be32(&xics_per_cpu[cpu]->xirr.word); } -static inline void direct_xirr_info_set(int n_cpu, int value) +static inline void direct_xirr_info_set(int value) { - out_be32(&xics_per_cpu[n_cpu]->xirr.word, value); + int cpu = smp_processor_id(); + + out_be32(&xics_per_cpu[cpu]->xirr.word, value); } -static inline void direct_cppr_info(int n_cpu, u8 value) +static inline void direct_cppr_info(u8 value) { - out_8(&xics_per_cpu[n_cpu]->xirr.bytes[0], value); + int cpu = smp_processor_id(); + + out_8(&xics_per_cpu[cpu]->xirr.bytes[0], value); } static inline void direct_qirr_info(int n_cpu, u8 value) @@ -111,7 +117,7 @@ static inline void direct_qirr_info(int n_cpu, u8 value) /* LPAR low level accessors */ -static inline unsigned int lpar_xirr_info_get(int n_cpu) +static inline unsigned int lpar_xirr_info_get(void) { unsigned long lpar_rc; unsigned long return_value; @@ -122,7 +128,7 @@ static inline unsigned int lpar_xirr_info_get(int n_cpu) return (unsigned int)return_value; } -static inline void lpar_xirr_info_set(int n_cpu, int value) +static inline void lpar_xirr_info_set(int value) { unsigned long lpar_rc; unsigned long val64 = value & 0xffffffff; @@ -133,7 +139,7 @@ static inline void lpar_xirr_info_set(int n_cpu, int value) val64); } -static inline void lpar_cppr_info(int n_cpu, u8 value) +static inline void lpar_cppr_info(u8 value) { unsigned long lpar_rc; @@ -275,21 +281,19 @@ static unsigned int xics_startup(unsigned int virq) static void xics_eoi_direct(unsigned int virq) { - int cpu = smp_processor_id(); unsigned int irq = (unsigned int)irq_map[virq].hwirq; iosync(); - direct_xirr_info_set(cpu, (0xff << 24) | irq); + direct_xirr_info_set((0xff << 24) | irq); } static void xics_eoi_lpar(unsigned int virq) { - int cpu = smp_processor_id(); unsigned int irq = (unsigned int)irq_map[virq].hwirq; iosync(); - lpar_xirr_info_set(cpu, (0xff << 24) | irq); + lpar_xirr_info_set((0xff << 24) | irq); } static inline unsigned int xics_remap_irq(unsigned int vec) @@ -312,16 +316,12 @@ static inline unsigned int xics_remap_irq(unsigned int vec) static unsigned int xics_get_irq_direct(void) { - unsigned int cpu = smp_processor_id(); - - return xics_remap_irq(direct_xirr_info_get(cpu)); + return xics_remap_irq(direct_xirr_info_get()); } static unsigned int xics_get_irq_lpar(void) { - unsigned int cpu = smp_processor_id(); - - return xics_remap_irq(lpar_xirr_info_get(cpu)); + return xics_remap_irq(lpar_xirr_info_get()); } #ifdef CONFIG_SMP @@ -387,12 +387,12 @@ void xics_cause_IPI(int cpu) #endif /* CONFIG_SMP */ -static void xics_set_cpu_priority(int cpu, unsigned char cppr) +static void xics_set_cpu_priority(unsigned char cppr) { if (firmware_has_feature(FW_FEATURE_LPAR)) - lpar_cppr_info(cpu, cppr); + lpar_cppr_info(cppr); else - direct_cppr_info(cpu, cppr); + direct_cppr_info(cppr); iosync(); } @@ -440,9 +440,7 @@ static void xics_set_affinity(unsigned int virq, cpumask_t cpumask) void xics_setup_cpu(void) { - int cpu = smp_processor_id(); - - xics_set_cpu_priority(cpu, 0xff); + xics_set_cpu_priority(0xff); /* * Put the calling processor into the GIQ. This is really only @@ -783,7 +781,7 @@ void xics_teardown_cpu(int secondary) unsigned int ipi; struct irq_desc *desc; - xics_set_cpu_priority(cpu, 0); + xics_set_cpu_priority(0); /* * Clear IPI @@ -824,10 +822,11 @@ void xics_teardown_cpu(int secondary) void xics_migrate_irqs_away(void) { int status; - unsigned int irq, virq, cpu = smp_processor_id(); + int cpu = smp_processor_id(), hw_cpu = hard_smp_processor_id(); + unsigned int irq, virq; /* Reject any interrupt that was queued to us... */ - xics_set_cpu_priority(cpu, 0); + xics_set_cpu_priority(0); /* remove ourselves from the global interrupt queue */ status = rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE, @@ -835,7 +834,7 @@ void xics_migrate_irqs_away(void) WARN_ON(status < 0); /* Allow IPIs again... */ - xics_set_cpu_priority(cpu, DEFAULT_PRIORITY); + xics_set_cpu_priority(DEFAULT_PRIORITY); for_each_irq(virq) { struct irq_desc *desc; @@ -874,7 +873,7 @@ void xics_migrate_irqs_away(void) * The irq has to be migrated only in the single cpu * case. */ - if (xics_status[0] != get_hard_smp_processor_id(cpu)) + if (xics_status[0] != hw_cpu) goto unlock; printk(KERN_WARNING "IRQ %u affinity broken off cpu %u\n", diff --git a/arch/powerpc/platforms/pseries/xics.h b/arch/powerpc/platforms/pseries/xics.h index db0ec3ba3ae2..9ffd809d29e2 100644 --- a/arch/powerpc/platforms/pseries/xics.h +++ b/arch/powerpc/platforms/pseries/xics.h @@ -21,9 +21,6 @@ extern void xics_cause_IPI(int cpu); extern void xics_request_IPIs(void); extern void xics_migrate_irqs_away(void); -/* first argument is ignored for now*/ -void pSeriesLP_cppr_info(int n_cpu, u8 value); - struct xics_ipi_struct { volatile unsigned long value; } ____cacheline_aligned; diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index 99a77d743d48..85cf8c60f0be 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -2,7 +2,7 @@ ifeq ($(CONFIG_PPC64),y) EXTRA_CFLAGS += -mno-minimal-toc endif -mpic-msi-obj-$(CONFIG_PCI_MSI) += mpic_msi.o mpic_u3msi.o +mpic-msi-obj-$(CONFIG_PCI_MSI) += mpic_msi.o mpic_u3msi.o mpic_pasemi_msi.o obj-$(CONFIG_MPIC) += mpic.o $(mpic-msi-obj-y) obj-$(CONFIG_PPC_MPC106) += grackle.o diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c index 5eaf3e3f4b8b..d359d6e92975 100644 --- a/arch/powerpc/sysdev/axonram.c +++ b/arch/powerpc/sysdev/axonram.c @@ -42,8 +42,9 @@ #include <linux/slab.h> #include <linux/string.h> #include <linux/types.h> -#include <asm/of_device.h> -#include <asm/of_platform.h> +#include <linux/of_device.h> +#include <linux/of_platform.h> + #include <asm/page.h> #include <asm/prom.h> diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm.h b/arch/powerpc/sysdev/bestcomm/bestcomm.h index e802cb4eb69a..c960a8b49655 100644 --- a/arch/powerpc/sysdev/bestcomm/bestcomm.h +++ b/arch/powerpc/sysdev/bestcomm/bestcomm.h @@ -20,7 +20,7 @@ struct bcom_bd; /* defined later on ... */ /* ======================================================================== */ -/* Generic task managment */ +/* Generic task management */ /* ======================================================================== */ /** diff --git a/arch/powerpc/sysdev/commproc.c b/arch/powerpc/sysdev/commproc.c index f6a63780bbde..621bc6c1d408 100644 --- a/arch/powerpc/sysdev/commproc.c +++ b/arch/powerpc/sysdev/commproc.c @@ -240,6 +240,34 @@ void __init cpm_reset(void) #endif } +static DEFINE_SPINLOCK(cmd_lock); + +#define MAX_CR_CMD_LOOPS 10000 + +int cpm_command(u32 command, u8 opcode) +{ + int i, ret; + unsigned long flags; + + if (command & 0xffffff0f) + return -EINVAL; + + spin_lock_irqsave(&cmd_lock, flags); + + ret = 0; + out_be16(&cpmp->cp_cpcr, command | CPM_CR_FLG | (opcode << 8)); + for (i = 0; i < MAX_CR_CMD_LOOPS; i++) + if ((in_be16(&cpmp->cp_cpcr) & CPM_CR_FLG) == 0) + goto out; + + printk(KERN_ERR "%s(): Not able to issue CPM command\n", __FUNCTION__); + ret = -EIO; +out: + spin_unlock_irqrestore(&cmd_lock, flags); + return ret; +} +EXPORT_SYMBOL(cpm_command); + /* We used to do this earlier, but have to postpone as long as possible * to ensure the kernel VM is now running. */ @@ -408,7 +436,7 @@ EXPORT_SYMBOL(cpm_dpram_phys); #endif /* !CONFIG_PPC_CPM_NEW_BINDING */ struct cpm_ioport16 { - __be16 dir, par, sor, dat, intr; + __be16 dir, par, odr_sor, dat, intr; __be16 res[3]; }; @@ -438,6 +466,13 @@ static void cpm1_set_pin32(int port, int pin, int flags) else clrbits32(&iop->par, pin); + if (port == CPM_PORTB) { + if (flags & CPM_PIN_OPENDRAIN) + setbits16(&mpc8xx_immr->im_cpm.cp_pbodr, pin); + else + clrbits16(&mpc8xx_immr->im_cpm.cp_pbodr, pin); + } + if (port == CPM_PORTE) { if (flags & CPM_PIN_SECONDARY) setbits32(&iop->sor, pin); @@ -471,11 +506,17 @@ static void cpm1_set_pin16(int port, int pin, int flags) else clrbits16(&iop->par, pin); + if (port == CPM_PORTA) { + if (flags & CPM_PIN_OPENDRAIN) + setbits16(&iop->odr_sor, pin); + else + clrbits16(&iop->odr_sor, pin); + } if (port == CPM_PORTC) { if (flags & CPM_PIN_SECONDARY) - setbits16(&iop->sor, pin); + setbits16(&iop->odr_sor, pin); else - clrbits16(&iop->sor, pin); + clrbits16(&iop->odr_sor, pin); } } diff --git a/arch/powerpc/sysdev/cpm2_common.c b/arch/powerpc/sysdev/cpm2_common.c index c1d824032020..f7188e2ba669 100644 --- a/arch/powerpc/sysdev/cpm2_common.c +++ b/arch/powerpc/sysdev/cpm2_common.c @@ -82,6 +82,31 @@ void __init cpm2_reset(void) cpmp = &cpm2_immr->im_cpm; } +static DEFINE_SPINLOCK(cmd_lock); + +#define MAX_CR_CMD_LOOPS 10000 + +int cpm_command(u32 command, u8 opcode) +{ + int i, ret; + unsigned long flags; + + spin_lock_irqsave(&cmd_lock, flags); + + ret = 0; + out_be32(&cpmp->cp_cpcr, command | opcode | CPM_CR_FLG); + for (i = 0; i < MAX_CR_CMD_LOOPS; i++) + if ((in_be32(&cpmp->cp_cpcr) & CPM_CR_FLG) == 0) + goto out; + + printk(KERN_ERR "%s(): Not able to issue CPM command\n", __FUNCTION__); + ret = -EIO; +out: + spin_unlock_irqrestore(&cmd_lock, flags); + return ret; +} +EXPORT_SYMBOL(cpm_command); + /* Set a baud rate generator. This needs lots of work. There are * eight BRGs, which can be connected to the CPM channels or output * as clocks. The BRGs are in two different block of internal diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 33df4c347ca7..4b1d5120c122 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -202,7 +202,7 @@ int __init fsl_add_bridge(struct device_node *dev, int is_primary) printk(KERN_WARNING "Can't get bus-range for %s, assume" " bus 0\n", dev->full_name); - pci_assign_all_buses = 1; + ppc_pci_flags |= PPC_PCI_REASSIGN_ALL_BUS; hose = pcibios_alloc_controller(dev); if (!hose) return -ENOMEM; @@ -222,7 +222,7 @@ int __init fsl_add_bridge(struct device_node *dev, int is_primary) hose->indirect_type |= PPC_INDIRECT_TYPE_NO_PCIE_LINK; } - printk(KERN_INFO "Found FSL PCI host bridge at 0x%016llx." + printk(KERN_INFO "Found FSL PCI host bridge at 0x%016llx. " "Firmware bus number: %d->%d\n", (unsigned long long)rsrc.start, hose->first_busno, hose->last_busno); diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index 3ace7474809e..4baad80ab731 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -132,15 +132,18 @@ EXPORT_SYMBOL(get_baudrate); static int __init gfar_mdio_of_init(void) { - struct device_node *np; - unsigned int i; + struct device_node *np = NULL; struct platform_device *mdio_dev; struct resource res; int ret; - for (np = NULL, i = 0; - (np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL; - i++) { + np = of_find_compatible_node(np, NULL, "fsl,gianfar-mdio"); + + /* try the deprecated version */ + if (!np) + np = of_find_compatible_node(np, "mdio", "gianfar"); + + if (np) { int k; struct device_node *child = NULL; struct gianfar_mdio_data mdio_data; @@ -179,11 +182,13 @@ static int __init gfar_mdio_of_init(void) goto unreg; } + of_node_put(np); return 0; unreg: platform_device_unregister(mdio_dev); err: + of_node_put(np); return ret; } @@ -390,13 +395,11 @@ static void __init of_register_i2c_devices(struct device_node *adap_node, static int __init fsl_i2c_of_init(void) { struct device_node *np; - unsigned int i; + unsigned int i = 0; struct platform_device *i2c_dev; int ret; - for (np = NULL, i = 0; - (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL; - i++) { + for_each_compatible_node(np, NULL, "fsl-i2c") { struct resource r[2]; struct fsl_i2c_platform_data i2c_data; const unsigned char *flags = NULL; @@ -432,7 +435,7 @@ static int __init fsl_i2c_of_init(void) if (ret) goto unreg; - of_register_i2c_devices(np, i); + of_register_i2c_devices(np, i++); } return 0; diff --git a/arch/powerpc/sysdev/grackle.c b/arch/powerpc/sysdev/grackle.c index 11ad5622eb76..d502927644c6 100644 --- a/arch/powerpc/sysdev/grackle.c +++ b/arch/powerpc/sysdev/grackle.c @@ -57,7 +57,7 @@ void __init setup_grackle(struct pci_controller *hose) { setup_indirect_pci(hose, 0xfec00000, 0xfee00000, 0); if (machine_is_compatible("PowerMac1,1")) - pci_assign_all_buses = 1; + ppc_pci_flags |= PPC_PCI_REASSIGN_ALL_BUS; if (machine_is_compatible("AAPL,PowerBook1998")) grackle_set_loop_snoop(hose, 1); #if 0 /* Disabled for now, HW problems ??? */ diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c index 05a56e55804c..7274750fd9c6 100644 --- a/arch/powerpc/sysdev/ipic.c +++ b/arch/powerpc/sysdev/ipic.c @@ -30,11 +30,32 @@ #include "ipic.h" static struct ipic * primary_ipic; +static struct irq_chip ipic_level_irq_chip, ipic_edge_irq_chip; static DEFINE_SPINLOCK(ipic_lock); static struct ipic_info ipic_info[] = { + [1] = { + .mask = IPIC_SIMSR_H, + .prio = IPIC_SIPRR_C, + .force = IPIC_SIFCR_H, + .bit = 16, + .prio_mask = 0, + }, + [2] = { + .mask = IPIC_SIMSR_H, + .prio = IPIC_SIPRR_C, + .force = IPIC_SIFCR_H, + .bit = 17, + .prio_mask = 1, + }, + [4] = { + .mask = IPIC_SIMSR_H, + .prio = IPIC_SIPRR_C, + .force = IPIC_SIFCR_H, + .bit = 19, + .prio_mask = 3, + }, [9] = { - .pend = IPIC_SIPNR_H, .mask = IPIC_SIMSR_H, .prio = IPIC_SIPRR_D, .force = IPIC_SIFCR_H, @@ -42,7 +63,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 0, }, [10] = { - .pend = IPIC_SIPNR_H, .mask = IPIC_SIMSR_H, .prio = IPIC_SIPRR_D, .force = IPIC_SIFCR_H, @@ -50,15 +70,27 @@ static struct ipic_info ipic_info[] = { .prio_mask = 1, }, [11] = { - .pend = IPIC_SIPNR_H, .mask = IPIC_SIMSR_H, .prio = IPIC_SIPRR_D, .force = IPIC_SIFCR_H, .bit = 26, .prio_mask = 2, }, + [12] = { + .mask = IPIC_SIMSR_H, + .prio = IPIC_SIPRR_D, + .force = IPIC_SIFCR_H, + .bit = 27, + .prio_mask = 3, + }, + [13] = { + .mask = IPIC_SIMSR_H, + .prio = IPIC_SIPRR_D, + .force = IPIC_SIFCR_H, + .bit = 28, + .prio_mask = 4, + }, [14] = { - .pend = IPIC_SIPNR_H, .mask = IPIC_SIMSR_H, .prio = IPIC_SIPRR_D, .force = IPIC_SIFCR_H, @@ -66,7 +98,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 5, }, [15] = { - .pend = IPIC_SIPNR_H, .mask = IPIC_SIMSR_H, .prio = IPIC_SIPRR_D, .force = IPIC_SIFCR_H, @@ -74,7 +105,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 6, }, [16] = { - .pend = IPIC_SIPNR_H, .mask = IPIC_SIMSR_H, .prio = IPIC_SIPRR_D, .force = IPIC_SIFCR_H, @@ -82,7 +112,7 @@ static struct ipic_info ipic_info[] = { .prio_mask = 7, }, [17] = { - .pend = IPIC_SEPNR, + .ack = IPIC_SEPNR, .mask = IPIC_SEMSR, .prio = IPIC_SMPRR_A, .force = IPIC_SEFCR, @@ -90,7 +120,7 @@ static struct ipic_info ipic_info[] = { .prio_mask = 5, }, [18] = { - .pend = IPIC_SEPNR, + .ack = IPIC_SEPNR, .mask = IPIC_SEMSR, .prio = IPIC_SMPRR_A, .force = IPIC_SEFCR, @@ -98,7 +128,7 @@ static struct ipic_info ipic_info[] = { .prio_mask = 6, }, [19] = { - .pend = IPIC_SEPNR, + .ack = IPIC_SEPNR, .mask = IPIC_SEMSR, .prio = IPIC_SMPRR_A, .force = IPIC_SEFCR, @@ -106,7 +136,7 @@ static struct ipic_info ipic_info[] = { .prio_mask = 7, }, [20] = { - .pend = IPIC_SEPNR, + .ack = IPIC_SEPNR, .mask = IPIC_SEMSR, .prio = IPIC_SMPRR_B, .force = IPIC_SEFCR, @@ -114,7 +144,7 @@ static struct ipic_info ipic_info[] = { .prio_mask = 4, }, [21] = { - .pend = IPIC_SEPNR, + .ack = IPIC_SEPNR, .mask = IPIC_SEMSR, .prio = IPIC_SMPRR_B, .force = IPIC_SEFCR, @@ -122,7 +152,7 @@ static struct ipic_info ipic_info[] = { .prio_mask = 5, }, [22] = { - .pend = IPIC_SEPNR, + .ack = IPIC_SEPNR, .mask = IPIC_SEMSR, .prio = IPIC_SMPRR_B, .force = IPIC_SEFCR, @@ -130,7 +160,7 @@ static struct ipic_info ipic_info[] = { .prio_mask = 6, }, [23] = { - .pend = IPIC_SEPNR, + .ack = IPIC_SEPNR, .mask = IPIC_SEMSR, .prio = IPIC_SMPRR_B, .force = IPIC_SEFCR, @@ -138,7 +168,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 7, }, [32] = { - .pend = IPIC_SIPNR_H, .mask = IPIC_SIMSR_H, .prio = IPIC_SIPRR_A, .force = IPIC_SIFCR_H, @@ -146,7 +175,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 0, }, [33] = { - .pend = IPIC_SIPNR_H, .mask = IPIC_SIMSR_H, .prio = IPIC_SIPRR_A, .force = IPIC_SIFCR_H, @@ -154,7 +182,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 1, }, [34] = { - .pend = IPIC_SIPNR_H, .mask = IPIC_SIMSR_H, .prio = IPIC_SIPRR_A, .force = IPIC_SIFCR_H, @@ -162,7 +189,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 2, }, [35] = { - .pend = IPIC_SIPNR_H, .mask = IPIC_SIMSR_H, .prio = IPIC_SIPRR_A, .force = IPIC_SIFCR_H, @@ -170,7 +196,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 3, }, [36] = { - .pend = IPIC_SIPNR_H, .mask = IPIC_SIMSR_H, .prio = IPIC_SIPRR_A, .force = IPIC_SIFCR_H, @@ -178,7 +203,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 4, }, [37] = { - .pend = IPIC_SIPNR_H, .mask = IPIC_SIMSR_H, .prio = IPIC_SIPRR_A, .force = IPIC_SIFCR_H, @@ -186,7 +210,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 5, }, [38] = { - .pend = IPIC_SIPNR_H, .mask = IPIC_SIMSR_H, .prio = IPIC_SIPRR_A, .force = IPIC_SIFCR_H, @@ -194,15 +217,48 @@ static struct ipic_info ipic_info[] = { .prio_mask = 6, }, [39] = { - .pend = IPIC_SIPNR_H, .mask = IPIC_SIMSR_H, .prio = IPIC_SIPRR_A, .force = IPIC_SIFCR_H, .bit = 7, .prio_mask = 7, }, + [42] = { + .mask = IPIC_SIMSR_H, + .prio = IPIC_SIPRR_B, + .force = IPIC_SIFCR_H, + .bit = 10, + .prio_mask = 2, + }, + [44] = { + .mask = IPIC_SIMSR_H, + .prio = IPIC_SIPRR_B, + .force = IPIC_SIFCR_H, + .bit = 12, + .prio_mask = 4, + }, + [45] = { + .mask = IPIC_SIMSR_H, + .prio = IPIC_SIPRR_B, + .force = IPIC_SIFCR_H, + .bit = 13, + .prio_mask = 5, + }, + [46] = { + .mask = IPIC_SIMSR_H, + .prio = IPIC_SIPRR_B, + .force = IPIC_SIFCR_H, + .bit = 14, + .prio_mask = 6, + }, + [47] = { + .mask = IPIC_SIMSR_H, + .prio = IPIC_SIPRR_B, + .force = IPIC_SIFCR_H, + .bit = 15, + .prio_mask = 7, + }, [48] = { - .pend = IPIC_SEPNR, .mask = IPIC_SEMSR, .prio = IPIC_SMPRR_A, .force = IPIC_SEFCR, @@ -210,7 +266,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 4, }, [64] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = IPIC_SMPRR_A, .force = IPIC_SIFCR_L, @@ -218,7 +273,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 0, }, [65] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = IPIC_SMPRR_A, .force = IPIC_SIFCR_L, @@ -226,7 +280,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 1, }, [66] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = IPIC_SMPRR_A, .force = IPIC_SIFCR_L, @@ -234,7 +287,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 2, }, [67] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = IPIC_SMPRR_A, .force = IPIC_SIFCR_L, @@ -242,7 +294,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 3, }, [68] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = IPIC_SMPRR_B, .force = IPIC_SIFCR_L, @@ -250,7 +301,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 0, }, [69] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = IPIC_SMPRR_B, .force = IPIC_SIFCR_L, @@ -258,7 +308,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 1, }, [70] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = IPIC_SMPRR_B, .force = IPIC_SIFCR_L, @@ -266,7 +315,6 @@ static struct ipic_info ipic_info[] = { .prio_mask = 2, }, [71] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = IPIC_SMPRR_B, .force = IPIC_SIFCR_L, @@ -274,91 +322,114 @@ static struct ipic_info ipic_info[] = { .prio_mask = 3, }, [72] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = 0, .force = IPIC_SIFCR_L, .bit = 8, }, [73] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = 0, .force = IPIC_SIFCR_L, .bit = 9, }, [74] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = 0, .force = IPIC_SIFCR_L, .bit = 10, }, [75] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = 0, .force = IPIC_SIFCR_L, .bit = 11, }, [76] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = 0, .force = IPIC_SIFCR_L, .bit = 12, }, [77] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = 0, .force = IPIC_SIFCR_L, .bit = 13, }, [78] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = 0, .force = IPIC_SIFCR_L, .bit = 14, }, [79] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = 0, .force = IPIC_SIFCR_L, .bit = 15, }, [80] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = 0, .force = IPIC_SIFCR_L, .bit = 16, }, + [81] = { + .mask = IPIC_SIMSR_L, + .prio = 0, + .force = IPIC_SIFCR_L, + .bit = 17, + }, + [82] = { + .mask = IPIC_SIMSR_L, + .prio = 0, + .force = IPIC_SIFCR_L, + .bit = 18, + }, [84] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = 0, .force = IPIC_SIFCR_L, .bit = 20, }, [85] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = 0, .force = IPIC_SIFCR_L, .bit = 21, }, + [86] = { + .mask = IPIC_SIMSR_L, + .prio = 0, + .force = IPIC_SIFCR_L, + .bit = 22, + }, + [87] = { + .mask = IPIC_SIMSR_L, + .prio = 0, + .force = IPIC_SIFCR_L, + .bit = 23, + }, + [88] = { + .mask = IPIC_SIMSR_L, + .prio = 0, + .force = IPIC_SIFCR_L, + .bit = 24, + }, + [89] = { + .mask = IPIC_SIMSR_L, + .prio = 0, + .force = IPIC_SIFCR_L, + .bit = 25, + }, [90] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = 0, .force = IPIC_SIFCR_L, .bit = 26, }, [91] = { - .pend = IPIC_SIPNR_L, .mask = IPIC_SIMSR_L, .prio = 0, .force = IPIC_SIFCR_L, @@ -412,6 +483,10 @@ static void ipic_mask_irq(unsigned int virq) temp &= ~(1 << (31 - ipic_info[src].bit)); ipic_write(ipic->regs, ipic_info[src].mask, temp); + /* mb() can't guarantee that masking is finished. But it does finish + * for nearly all cases. */ + mb(); + spin_unlock_irqrestore(&ipic_lock, flags); } @@ -424,9 +499,13 @@ static void ipic_ack_irq(unsigned int virq) spin_lock_irqsave(&ipic_lock, flags); - temp = ipic_read(ipic->regs, ipic_info[src].pend); + temp = ipic_read(ipic->regs, ipic_info[src].ack); temp |= (1 << (31 - ipic_info[src].bit)); - ipic_write(ipic->regs, ipic_info[src].pend, temp); + ipic_write(ipic->regs, ipic_info[src].ack, temp); + + /* mb() can't guarantee that ack is finished. But it does finish + * for nearly all cases. */ + mb(); spin_unlock_irqrestore(&ipic_lock, flags); } @@ -444,9 +523,13 @@ static void ipic_mask_irq_and_ack(unsigned int virq) temp &= ~(1 << (31 - ipic_info[src].bit)); ipic_write(ipic->regs, ipic_info[src].mask, temp); - temp = ipic_read(ipic->regs, ipic_info[src].pend); + temp = ipic_read(ipic->regs, ipic_info[src].ack); temp |= (1 << (31 - ipic_info[src].bit)); - ipic_write(ipic->regs, ipic_info[src].pend, temp); + ipic_write(ipic->regs, ipic_info[src].ack, temp); + + /* mb() can't guarantee that ack is finished. But it does finish + * for nearly all cases. */ + mb(); spin_unlock_irqrestore(&ipic_lock, flags); } @@ -468,14 +551,22 @@ static int ipic_set_irq_type(unsigned int virq, unsigned int flow_type) flow_type); return -EINVAL; } + /* ipic supports only edge mode on external interrupts */ + if ((flow_type & IRQ_TYPE_EDGE_FALLING) && !ipic_info[src].ack) { + printk(KERN_ERR "ipic: edge sense not supported on internal " + "interrupts\n"); + return -EINVAL; + } desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL); desc->status |= flow_type & IRQ_TYPE_SENSE_MASK; if (flow_type & IRQ_TYPE_LEVEL_LOW) { desc->status |= IRQ_LEVEL; desc->handle_irq = handle_level_irq; + desc->chip = &ipic_level_irq_chip; } else { desc->handle_irq = handle_edge_irq; + desc->chip = &ipic_edge_irq_chip; } /* only EXT IRQ senses are programmable on ipic @@ -500,7 +591,16 @@ static int ipic_set_irq_type(unsigned int virq, unsigned int flow_type) return 0; } -static struct irq_chip ipic_irq_chip = { +/* level interrupts and edge interrupts have different ack operations */ +static struct irq_chip ipic_level_irq_chip = { + .typename = " IPIC ", + .unmask = ipic_unmask_irq, + .mask = ipic_mask_irq, + .mask_ack = ipic_mask_irq, + .set_type = ipic_set_irq_type, +}; + +static struct irq_chip ipic_edge_irq_chip = { .typename = " IPIC ", .unmask = ipic_unmask_irq, .mask = ipic_mask_irq, @@ -519,13 +619,9 @@ static int ipic_host_map(struct irq_host *h, unsigned int virq, irq_hw_number_t hw) { struct ipic *ipic = h->host_data; - struct irq_chip *chip; - - /* Default chip */ - chip = &ipic->hc_irq; set_irq_chip_data(virq, ipic); - set_irq_chip_and_handler(virq, chip, handle_level_irq); + set_irq_chip_and_handler(virq, &ipic_level_irq_chip, handle_level_irq); /* Set default irq type */ set_irq_type(virq, IRQ_TYPE_NONE); @@ -584,7 +680,6 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags) ipic->regs = ioremap(res.start, res.end - res.start + 1); ipic->irqhost->host_data = ipic; - ipic->hc_irq = ipic_irq_chip; /* init hw */ ipic_write(ipic->regs, IPIC_SICNR, 0x0); @@ -593,6 +688,10 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags) * configure SICFR accordingly */ if (flags & IPIC_SPREADMODE_GRP_A) temp |= SICFR_IPSA; + if (flags & IPIC_SPREADMODE_GRP_B) + temp |= SICFR_IPSB; + if (flags & IPIC_SPREADMODE_GRP_C) + temp |= SICFR_IPSC; if (flags & IPIC_SPREADMODE_GRP_D) temp |= SICFR_IPSD; if (flags & IPIC_SPREADMODE_MIX_A) @@ -600,7 +699,7 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags) if (flags & IPIC_SPREADMODE_MIX_B) temp |= SICFR_MPSB; - ipic_write(ipic->regs, IPIC_SICNR, temp); + ipic_write(ipic->regs, IPIC_SICFR, temp); /* handle MCP route */ temp = 0; @@ -672,10 +771,12 @@ void ipic_set_highest_priority(unsigned int virq) void ipic_set_default_priority(void) { - ipic_write(primary_ipic->regs, IPIC_SIPRR_A, IPIC_SIPRR_A_DEFAULT); - ipic_write(primary_ipic->regs, IPIC_SIPRR_D, IPIC_SIPRR_D_DEFAULT); - ipic_write(primary_ipic->regs, IPIC_SMPRR_A, IPIC_SMPRR_A_DEFAULT); - ipic_write(primary_ipic->regs, IPIC_SMPRR_B, IPIC_SMPRR_B_DEFAULT); + ipic_write(primary_ipic->regs, IPIC_SIPRR_A, IPIC_PRIORITY_DEFAULT); + ipic_write(primary_ipic->regs, IPIC_SIPRR_B, IPIC_PRIORITY_DEFAULT); + ipic_write(primary_ipic->regs, IPIC_SIPRR_C, IPIC_PRIORITY_DEFAULT); + ipic_write(primary_ipic->regs, IPIC_SIPRR_D, IPIC_PRIORITY_DEFAULT); + ipic_write(primary_ipic->regs, IPIC_SMPRR_A, IPIC_PRIORITY_DEFAULT); + ipic_write(primary_ipic->regs, IPIC_SMPRR_B, IPIC_PRIORITY_DEFAULT); } void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq) diff --git a/arch/powerpc/sysdev/ipic.h b/arch/powerpc/sysdev/ipic.h index bb309a501b2d..9391c57b0c51 100644 --- a/arch/powerpc/sysdev/ipic.h +++ b/arch/powerpc/sysdev/ipic.h @@ -23,13 +23,12 @@ #define IPIC_IRQ_EXT7 23 /* Default Priority Registers */ -#define IPIC_SIPRR_A_DEFAULT 0x05309770 -#define IPIC_SIPRR_D_DEFAULT 0x05309770 -#define IPIC_SMPRR_A_DEFAULT 0x05309770 -#define IPIC_SMPRR_B_DEFAULT 0x05309770 +#define IPIC_PRIORITY_DEFAULT 0x05309770 /* System Global Interrupt Configuration Register */ #define SICFR_IPSA 0x00010000 +#define SICFR_IPSB 0x00020000 +#define SICFR_IPSC 0x00040000 #define SICFR_IPSD 0x00080000 #define SICFR_MPSA 0x00200000 #define SICFR_MPSB 0x00400000 @@ -45,13 +44,11 @@ struct ipic { /* The remapper for this IPIC */ struct irq_host *irqhost; - - /* The "linux" controller struct */ - struct irq_chip hc_irq; }; struct ipic_info { - u8 pend; /* pending register offset from base */ + u8 ack; /* pending register offset from base if the irq + supports ack operation */ u8 mask; /* mask register offset from base */ u8 prio; /* priority register offset from base */ u8 force; /* force register offset from base */ diff --git a/arch/powerpc/sysdev/mmio_nvram.c b/arch/powerpc/sysdev/mmio_nvram.c index e073e246293d..7b49633a4bd0 100644 --- a/arch/powerpc/sysdev/mmio_nvram.c +++ b/arch/powerpc/sysdev/mmio_nvram.c @@ -99,7 +99,7 @@ int __init mmio_nvram_init(void) nvram_addr = r.start; mmio_nvram_len = r.end - r.start + 1; if ( (!mmio_nvram_len) || (!nvram_addr) ) { - printk(KERN_WARNING "nvram: address or lenght is 0\n"); + printk(KERN_WARNING "nvram: address or length is 0\n"); ret = -EIO; goto out; } diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index e47938899a92..f74fe26b787e 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -612,12 +612,11 @@ static inline void mpic_eoi(struct mpic *mpic) } #ifdef CONFIG_SMP -static irqreturn_t mpic_ipi_action(int irq, void *dev_id) +static irqreturn_t mpic_ipi_action(int irq, void *data) { - struct mpic *mpic; + long ipi = (long)data; - mpic = mpic_find(irq, NULL); - smp_message_recv(mpic_irq_to_hw(irq) - mpic->ipi_vecs[0]); + smp_message_recv(ipi); return IRQ_HANDLED; } @@ -842,6 +841,24 @@ int mpic_set_irq_type(unsigned int virq, unsigned int flow_type) return 0; } +void mpic_set_vector(unsigned int virq, unsigned int vector) +{ + struct mpic *mpic = mpic_from_irq(virq); + unsigned int src = mpic_irq_to_hw(virq); + unsigned int vecpri; + + DBG("mpic: set_vector(mpic:@%p,virq:%d,src:%d,vector:0x%x)\n", + mpic, virq, src, vector); + + if (src >= mpic->irq_count) + return; + + vecpri = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)); + vecpri = vecpri & ~MPIC_INFO(VECPRI_VECTOR_MASK); + vecpri |= vector; + mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI), vecpri); +} + static struct irq_chip mpic_irq_chip = { .mask = mpic_mask_irq, .unmask = mpic_unmask_irq, @@ -1230,6 +1247,8 @@ void __init mpic_init(struct mpic *mpic) mpic_u3msi_init(mpic); } + mpic_pasemi_msi_init(mpic); + for (i = 0; i < mpic->num_sources; i++) { /* start with vector = source number, and masked */ u32 vecpri = MPIC_VECPRI_MASK | i | @@ -1457,7 +1476,7 @@ unsigned int mpic_get_irq(void) void mpic_request_ipis(void) { struct mpic *mpic = mpic_primary; - int i, err; + long i, err; static char *ipi_names[] = { "IPI0 (call function)", "IPI1 (reschedule)", @@ -1472,14 +1491,14 @@ void mpic_request_ipis(void) unsigned int vipi = irq_create_mapping(mpic->irqhost, mpic->ipi_vecs[0] + i); if (vipi == NO_IRQ) { - printk(KERN_ERR "Failed to map IPI %d\n", i); + printk(KERN_ERR "Failed to map IPI %ld\n", i); break; } err = request_irq(vipi, mpic_ipi_action, IRQF_DISABLED|IRQF_PERCPU, - ipi_names[i], mpic); + ipi_names[i], (void *)i); if (err) { - printk(KERN_ERR "Request of irq %d for IPI %d failed\n", + printk(KERN_ERR "Request of irq %d for IPI %ld failed\n", vipi, i); break; } diff --git a/arch/powerpc/sysdev/mpic.h b/arch/powerpc/sysdev/mpic.h index 1cb6bd841027..4783c6e9f30d 100644 --- a/arch/powerpc/sysdev/mpic.h +++ b/arch/powerpc/sysdev/mpic.h @@ -17,6 +17,7 @@ extern int mpic_msi_init_allocator(struct mpic *mpic); extern irq_hw_number_t mpic_msi_alloc_hwirqs(struct mpic *mpic, int num); extern void mpic_msi_free_hwirqs(struct mpic *mpic, int offset, int num); extern int mpic_u3msi_init(struct mpic *mpic); +extern int mpic_pasemi_msi_init(struct mpic *mpic); #else static inline void mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq) @@ -28,9 +29,15 @@ static inline int mpic_u3msi_init(struct mpic *mpic) { return -1; } + +static inline int mpic_pasemi_msi_init(struct mpic *mpic) +{ + return -1; +} #endif extern int mpic_set_irq_type(unsigned int virq, unsigned int flow_type); +extern void mpic_set_vector(unsigned int virq, unsigned int vector); extern void mpic_end_irq(unsigned int irq); extern void mpic_mask_irq(unsigned int irq); extern void mpic_unmask_irq(unsigned int irq); diff --git a/arch/powerpc/sysdev/mpic_pasemi_msi.c b/arch/powerpc/sysdev/mpic_pasemi_msi.c new file mode 100644 index 000000000000..d6bfda30ac87 --- /dev/null +++ b/arch/powerpc/sysdev/mpic_pasemi_msi.c @@ -0,0 +1,172 @@ +/* + * Copyright 2007, Olof Johansson, PA Semi + * + * Based on arch/powerpc/sysdev/mpic_u3msi.c: + * + * Copyright 2006, Segher Boessenkool, IBM Corporation. + * Copyright 2006-2007, Michael Ellerman, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 of the + * License. + * + */ + +#undef DEBUG + +#include <linux/irq.h> +#include <linux/bootmem.h> +#include <linux/msi.h> +#include <asm/mpic.h> +#include <asm/prom.h> +#include <asm/hw_irq.h> +#include <asm/ppc-pci.h> + +#include "mpic.h" + +/* Allocate 16 interrupts per device, to give an alignment of 16, + * since that's the size of the grouping w.r.t. affinity. If someone + * needs more than 32 MSI's down the road we'll have to rethink this, + * but it should be OK for now. + */ +#define ALLOC_CHUNK 16 + +#define PASEMI_MSI_ADDR 0xfc080000 + +/* A bit ugly, can we get this from the pci_dev somehow? */ +static struct mpic *msi_mpic; + + +static void mpic_pasemi_msi_mask_irq(unsigned int irq) +{ + pr_debug("mpic_pasemi_msi_mask_irq %d\n", irq); + mask_msi_irq(irq); + mpic_mask_irq(irq); +} + +static void mpic_pasemi_msi_unmask_irq(unsigned int irq) +{ + pr_debug("mpic_pasemi_msi_unmask_irq %d\n", irq); + mpic_unmask_irq(irq); + unmask_msi_irq(irq); +} + +static struct irq_chip mpic_pasemi_msi_chip = { + .shutdown = mpic_pasemi_msi_mask_irq, + .mask = mpic_pasemi_msi_mask_irq, + .unmask = mpic_pasemi_msi_unmask_irq, + .eoi = mpic_end_irq, + .set_type = mpic_set_irq_type, + .set_affinity = mpic_set_affinity, + .typename = "PASEMI-MSI ", +}; + +static int pasemi_msi_check_device(struct pci_dev *pdev, int nvec, int type) +{ + if (type == PCI_CAP_ID_MSIX) + pr_debug("pasemi_msi: MSI-X untested, trying anyway\n"); + + return 0; +} + +static void pasemi_msi_teardown_msi_irqs(struct pci_dev *pdev) +{ + struct msi_desc *entry; + + pr_debug("pasemi_msi_teardown_msi_irqs, pdev %p\n", pdev); + + list_for_each_entry(entry, &pdev->msi_list, list) { + if (entry->irq == NO_IRQ) + continue; + + set_irq_msi(entry->irq, NULL); + mpic_msi_free_hwirqs(msi_mpic, virq_to_hw(entry->irq), + ALLOC_CHUNK); + irq_dispose_mapping(entry->irq); + } + + return; +} + +static int pasemi_msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) +{ + irq_hw_number_t hwirq; + unsigned int virq; + struct msi_desc *entry; + struct msi_msg msg; + u64 addr; + + pr_debug("pasemi_msi_setup_msi_irqs, pdev %p nvec %d type %d\n", + pdev, nvec, type); + + msg.address_hi = 0; + msg.address_lo = PASEMI_MSI_ADDR; + + list_for_each_entry(entry, &pdev->msi_list, list) { + /* Allocate 16 interrupts for now, since that's the grouping for + * affinity. This can be changed later if it turns out 32 is too + * few MSIs for someone, but restrictions will apply to how the + * sources can be changed independently. + */ + hwirq = mpic_msi_alloc_hwirqs(msi_mpic, ALLOC_CHUNK); + if (hwirq < 0) { + pr_debug("pasemi_msi: failed allocating hwirq\n"); + return hwirq; + } + + virq = irq_create_mapping(msi_mpic->irqhost, hwirq); + if (virq == NO_IRQ) { + pr_debug("pasemi_msi: failed mapping hwirq 0x%lx\n", hwirq); + mpic_msi_free_hwirqs(msi_mpic, hwirq, ALLOC_CHUNK); + return -ENOSPC; + } + + /* Vector on MSI is really an offset, the hardware adds + * it to the value written at the magic address. So set + * it to 0 to remain sane. + */ + mpic_set_vector(virq, 0); + + set_irq_msi(virq, entry); + set_irq_chip(virq, &mpic_pasemi_msi_chip); + set_irq_type(virq, IRQ_TYPE_EDGE_RISING); + + pr_debug("pasemi_msi: allocated virq 0x%x (hw 0x%lx) addr 0x%lx\n", + virq, hwirq, addr); + + /* Likewise, the device writes [0...511] into the target + * register to generate MSI [512...1023] + */ + msg.data = hwirq-0x200; + write_msi_msg(virq, &msg); + } + + return 0; +} + +int mpic_pasemi_msi_init(struct mpic *mpic) +{ + int rc; + + if (!mpic->irqhost->of_node || + !of_device_is_compatible(mpic->irqhost->of_node, + "pasemi,pwrficient-openpic")) + return -ENODEV; + + rc = mpic_msi_init_allocator(mpic); + if (rc) { + pr_debug("pasemi_msi: Error allocating bitmap!\n"); + return rc; + } + + pr_debug("pasemi_msi: Registering PA Semi MPIC MSI callbacks\n"); + + msi_mpic = mpic; + WARN_ON(ppc_md.setup_msi_irqs); + ppc_md.setup_msi_irqs = pasemi_msi_setup_msi_irqs; + ppc_md.teardown_msi_irqs = pasemi_msi_teardown_msi_irqs; + ppc_md.msi_check_device = pasemi_msi_check_device; + + return 0; +} diff --git a/arch/powerpc/sysdev/pmi.c b/arch/powerpc/sysdev/pmi.c index 20edd1e94eff..c858749263e0 100644 --- a/arch/powerpc/sysdev/pmi.c +++ b/arch/powerpc/sysdev/pmi.c @@ -28,9 +28,9 @@ #include <linux/completion.h> #include <linux/spinlock.h> #include <linux/workqueue.h> +#include <linux/of_device.h> +#include <linux/of_platform.h> -#include <asm/of_device.h> -#include <asm/of_platform.h> #include <asm/io.h> #include <asm/pmi.h> #include <asm/prom.h> diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c index 3d57d3835b04..21e01061aca9 100644 --- a/arch/powerpc/sysdev/qe_lib/qe.c +++ b/arch/powerpc/sysdev/qe_lib/qe.c @@ -167,19 +167,20 @@ unsigned int get_brg_clk(void) /* Program the BRG to the given sampling rate and multiplier * - * @brg: the BRG, 1-16 + * @brg: the BRG, QE_BRG1 - QE_BRG16 * @rate: the desired sampling rate * @multiplier: corresponds to the value programmed in GUMR_L[RDCR] or * GUMR_L[TDCR]. E.g., if this BRG is the RX clock, and GUMR_L[RDCR]=01, * then 'multiplier' should be 8. - * - * Also note that the value programmed into the BRGC register must be even. */ -void qe_setbrg(unsigned int brg, unsigned int rate, unsigned int multiplier) +int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier) { u32 divisor, tempval; u32 div16 = 0; + if ((brg < QE_BRG1) || (brg > QE_BRG16)) + return -EINVAL; + divisor = get_brg_clk() / (rate * multiplier); if (divisor > QE_BRGC_DIVISOR_MAX + 1) { @@ -196,8 +197,43 @@ void qe_setbrg(unsigned int brg, unsigned int rate, unsigned int multiplier) tempval = ((divisor - 1) << QE_BRGC_DIVISOR_SHIFT) | QE_BRGC_ENABLE | div16; - out_be32(&qe_immr->brg.brgc[brg - 1], tempval); + out_be32(&qe_immr->brg.brgc[brg - QE_BRG1], tempval); + + return 0; +} +EXPORT_SYMBOL(qe_setbrg); + +/* Convert a string to a QE clock source enum + * + * This function takes a string, typically from a property in the device + * tree, and returns the corresponding "enum qe_clock" value. +*/ +enum qe_clock qe_clock_source(const char *source) +{ + unsigned int i; + + if (strcasecmp(source, "none") == 0) + return QE_CLK_NONE; + + if (strncasecmp(source, "brg", 3) == 0) { + i = simple_strtoul(source + 3, NULL, 10); + if ((i >= 1) && (i <= 16)) + return (QE_BRG1 - 1) + i; + else + return QE_CLK_DUMMY; + } + + if (strncasecmp(source, "clk", 3) == 0) { + i = simple_strtoul(source + 3, NULL, 10); + if ((i >= 1) && (i <= 24)) + return (QE_CLK1 - 1) + i; + else + return QE_CLK_DUMMY; + } + + return QE_CLK_DUMMY; } +EXPORT_SYMBOL(qe_clock_source); /* Initialize SNUMs (thread serial numbers) according to * QE Module Control chapter, SNUM table diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 121b04d165d1..865e36751f21 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -153,6 +153,10 @@ static const char *getvecname(unsigned long vec); static int do_spu_cmd(void); +#ifdef CONFIG_44x +static void dump_tlb_44x(void); +#endif + int xmon_no_auto_backtrace; extern void xmon_enter(void); @@ -231,6 +235,9 @@ Commands:\n\ #ifdef CONFIG_PPC_STD_MMU_32 " u dump segment registers\n" #endif +#ifdef CONFIG_44x +" u dump TLB\n" +#endif " ? help\n" " zr reboot\n\ zh halt\n" @@ -856,6 +863,11 @@ cmds(struct pt_regs *excp) dump_segments(); break; #endif +#ifdef CONFIG_4xx + case 'u': + dump_tlb_44x(); + break; +#endif default: printf("Unrecognized command: "); do { @@ -2527,16 +2539,33 @@ static void xmon_print_symbol(unsigned long address, const char *mid, static void dump_slb(void) { int i; - unsigned long tmp; + unsigned long esid,vsid,valid; + unsigned long llp; printf("SLB contents of cpu %x\n", smp_processor_id()); - for (i = 0; i < SLB_NUM_ENTRIES; i++) { - asm volatile("slbmfee %0,%1" : "=r" (tmp) : "r" (i)); - printf("%02d %016lx ", i, tmp); - - asm volatile("slbmfev %0,%1" : "=r" (tmp) : "r" (i)); - printf("%016lx\n", tmp); + for (i = 0; i < mmu_slb_size; i++) { + asm volatile("slbmfee %0,%1" : "=r" (esid) : "r" (i)); + asm volatile("slbmfev %0,%1" : "=r" (vsid) : "r" (i)); + valid = (esid & SLB_ESID_V); + if (valid | esid | vsid) { + printf("%02d %016lx %016lx", i, esid, vsid); + if (valid) { + llp = vsid & SLB_VSID_LLP; + if (vsid & SLB_VSID_B_1T) { + printf(" 1T ESID=%9lx VSID=%13lx LLP:%3lx \n", + GET_ESID_1T(esid), + (vsid & ~SLB_VSID_B) >> SLB_VSID_SHIFT_1T, + llp); + } else { + printf(" 256M ESID=%9lx VSID=%13lx LLP:%3lx \n", + GET_ESID(esid), + (vsid & ~SLB_VSID_B) >> SLB_VSID_SHIFT, + llp); + } + } else + printf("\n"); + } } } @@ -2581,6 +2610,32 @@ void dump_segments(void) } #endif +#ifdef CONFIG_44x +static void dump_tlb_44x(void) +{ + int i; + + for (i = 0; i < PPC44x_TLB_SIZE; i++) { + unsigned long w0,w1,w2; + asm volatile("tlbre %0,%1,0" : "=r" (w0) : "r" (i)); + asm volatile("tlbre %0,%1,1" : "=r" (w1) : "r" (i)); + asm volatile("tlbre %0,%1,2" : "=r" (w2) : "r" (i)); + printf("[%02x] %08x %08x %08x ", i, w0, w1, w2); + if (w0 & PPC44x_TLB_VALID) { + printf("V %08x -> %01x%08x %c%c%c%c%c", + w0 & PPC44x_TLB_EPN_MASK, + w1 & PPC44x_TLB_ERPN_MASK, + w1 & PPC44x_TLB_RPN_MASK, + (w2 & PPC44x_TLB_W) ? 'W' : 'w', + (w2 & PPC44x_TLB_I) ? 'I' : 'i', + (w2 & PPC44x_TLB_M) ? 'M' : 'm', + (w2 & PPC44x_TLB_G) ? 'G' : 'g', + (w2 & PPC44x_TLB_E) ? 'E' : 'e'); + } + printf("\n"); + } +} +#endif /* CONFIG_44x */ void xmon_init(int enable) { #ifdef CONFIG_PPC_ISERIES diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c index 5255bd80aa6b..3c453029f1c5 100644 --- a/arch/ppc/kernel/setup.c +++ b/arch/ppc/kernel/setup.c @@ -37,7 +37,6 @@ #include <asm/nvram.h> #include <asm/xmon.h> #include <asm/ocp.h> -#include <asm/prom.h> #define USES_PPC_SYS (defined(CONFIG_85xx) || defined(CONFIG_83xx) || \ defined(CONFIG_MPC10X_BRIDGE) || defined(CONFIG_8260) || \ diff --git a/arch/ppc/platforms/85xx/stx_gp3.c b/arch/ppc/platforms/85xx/stx_gp3.c index b1f5b737c70d..731b40eacfdb 100644 --- a/arch/ppc/platforms/85xx/stx_gp3.c +++ b/arch/ppc/platforms/85xx/stx_gp3.c @@ -50,7 +50,6 @@ #include <asm/irq.h> #include <asm/immap_85xx.h> #include <asm/cpm2.h> -#include <asm/mpc85xx.h> #include <asm/ppc_sys.h> #include <syslib/cpm2_pic.h> diff --git a/arch/ppc/platforms/ev64260.c b/arch/ppc/platforms/ev64260.c index 976270d537c1..c1f77e1d368e 100644 --- a/arch/ppc/platforms/ev64260.c +++ b/arch/ppc/platforms/ev64260.c @@ -336,7 +336,7 @@ ev64260_early_serial_map(void) #endif if (early_serial_setup(&port) != 0) - printk(KERN_WARNING "Early serial init of port 0" + printk(KERN_WARNING "Early serial init of port 0 " "failed\n"); first_time = 0; @@ -388,7 +388,7 @@ ev64260_setup_arch(void) ev64260_early_serial_map(); #endif - printk(KERN_INFO "%s %s port (C) 2001 MontaVista Software, Inc." + printk(KERN_INFO "%s %s port (C) 2001 MontaVista Software, Inc. " "(source@mvista.com)\n", BOARD_VENDOR, BOARD_MACHINE); if (ppc_md.progress) diff --git a/arch/ppc/platforms/prep_pci.c b/arch/ppc/platforms/prep_pci.c index 1df3150f016e..8ed433e2a5c7 100644 --- a/arch/ppc/platforms/prep_pci.c +++ b/arch/ppc/platforms/prep_pci.c @@ -1099,7 +1099,6 @@ prep_pib_init(void) pci_write_config_byte(dev, 0x43, reg); } } - pci_dev_put(dev); } if ((dev = pci_get_device(PCI_VENDOR_ID_WINBOND, diff --git a/arch/ppc/syslib/gt64260_pic.c b/arch/ppc/syslib/gt64260_pic.c index e84d432c0657..3b4fcca5d1e1 100644 --- a/arch/ppc/syslib/gt64260_pic.c +++ b/arch/ppc/syslib/gt64260_pic.c @@ -35,7 +35,6 @@ #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/signal.h> -#include <linux/stddef.h> #include <linux/delay.h> #include <linux/irq.h> diff --git a/arch/ppc/syslib/mpc52xx_pic.c b/arch/ppc/syslib/mpc52xx_pic.c index af35a316544a..f58149c03b0f 100644 --- a/arch/ppc/syslib/mpc52xx_pic.c +++ b/arch/ppc/syslib/mpc52xx_pic.c @@ -20,7 +20,6 @@ #include <linux/init.h> #include <linux/sched.h> #include <linux/signal.h> -#include <linux/stddef.h> #include <linux/delay.h> #include <linux/irq.h> diff --git a/arch/ppc/syslib/mv64360_pic.c b/arch/ppc/syslib/mv64360_pic.c index 4b7a3338e122..2dd2dc5cd404 100644 --- a/arch/ppc/syslib/mv64360_pic.c +++ b/arch/ppc/syslib/mv64360_pic.c @@ -36,7 +36,6 @@ #include <linux/init.h> #include <linux/sched.h> #include <linux/signal.h> -#include <linux/stddef.h> #include <linux/delay.h> #include <linux/irq.h> #include <linux/interrupt.h> diff --git a/arch/ppc/syslib/ocp.c b/arch/ppc/syslib/ocp.c index 3f5be2c5ce99..d42d4085dc81 100644 --- a/arch/ppc/syslib/ocp.c +++ b/arch/ppc/syslib/ocp.c @@ -376,7 +376,7 @@ ocp_remove_one_device(unsigned int vendor, unsigned int function, int index) down_write(&ocp_devices_sem); dev = __ocp_find_device(vendor, function, index); - list_del((struct list_head *)dev); + list_del(&dev->link); up_write(&ocp_devices_sem); DBG(("ocp: ocp_remove_one_device(vendor: %x, function: %x, index: %d)... done.\n", vendor, function, index)); diff --git a/arch/ppc/syslib/ppc83xx_setup.c b/arch/ppc/syslib/ppc83xx_setup.c index ec466db52114..ea372914dd6e 100644 --- a/arch/ppc/syslib/ppc83xx_setup.c +++ b/arch/ppc/syslib/ppc83xx_setup.c @@ -41,7 +41,6 @@ #include <syslib/ppc83xx_setup.h> #if defined(CONFIG_PCI) -#include <asm/delay.h> #include <syslib/ppc83xx_pci.h> #endif diff --git a/arch/ppc/syslib/ppc8xx_pic.c b/arch/ppc/syslib/ppc8xx_pic.c index e8619c750732..bce9a75c80e3 100644 --- a/arch/ppc/syslib/ppc8xx_pic.c +++ b/arch/ppc/syslib/ppc8xx_pic.c @@ -16,7 +16,7 @@ extern int cpm_get_irq(void); * the only interrupt controller. Some boards, like the MBX and * Sandpoint have the 8259 as a secondary controller. Depending * upon the processor type, the internal controller can have as - * few as 16 interrups or as many as 64. We could use the + * few as 16 interrupts or as many as 64. We could use the * "clear_bit()" and "set_bit()" functions like other platforms, * but they are overkill for us. */ diff --git a/arch/ppc/syslib/ppc_sys.c b/arch/ppc/syslib/ppc_sys.c index 2d48018b71d9..837183c24dfc 100644 --- a/arch/ppc/syslib/ppc_sys.c +++ b/arch/ppc/syslib/ppc_sys.c @@ -185,7 +185,7 @@ void platform_notify_map(const struct platform_notify_dev_map *map, */ /* - Here we'll replace .name pointers with fixed-lenght strings + Here we'll replace .name pointers with fixed-length strings Hereby, this should be called *before* any func stuff triggeded. */ void ppc_sys_device_initfunc(void) diff --git a/arch/ppc/xmon/start.c b/arch/ppc/xmon/start.c index 8f0b953179fa..9056fe58aaa1 100644 --- a/arch/ppc/xmon/start.c +++ b/arch/ppc/xmon/start.c @@ -10,7 +10,6 @@ #include <linux/sysrq.h> #include <linux/bitops.h> #include <asm/xmon.h> -#include <asm/machdep.h> #include <asm/errno.h> #include <asm/processor.h> #include <asm/delay.h> diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 2d7cd486e025..6bbd4fa50f3b 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -98,7 +98,7 @@ config HW_RANDOM_PASEMI default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number - Generator hardware found on PA6T-1682M processor. + Generator hardware found on PA Semi PWRficient SoCs. To compile this driver as a module, choose M here: the module will be called pasemi-rng. diff --git a/drivers/char/hw_random/pasemi-rng.c b/drivers/char/hw_random/pasemi-rng.c index fa6040b6c8f2..24ae3073991f 100644 --- a/drivers/char/hw_random/pasemi-rng.c +++ b/drivers/char/hw_random/pasemi-rng.c @@ -126,10 +126,9 @@ static int __devexit rng_remove(struct of_device *dev) } static struct of_device_id rng_match[] = { - { - .compatible = "1682m-rng", - }, - {}, + { .compatible = "1682m-rng", }, + { .compatible = "pasemi,pwrficient-rng", }, + { }, }; static struct of_platform_driver rng_driver = { diff --git a/drivers/edac/pasemi_edac.c b/drivers/edac/pasemi_edac.c index 9007d0677220..90320917be28 100644 --- a/drivers/edac/pasemi_edac.c +++ b/drivers/edac/pasemi_edac.c @@ -225,7 +225,7 @@ static int __devinit pasemi_edac_probe(struct pci_dev *pdev, EDAC_FLAG_NONE; mci->mod_name = MODULE_NAME; mci->dev_name = pci_name(pdev); - mci->ctl_name = "pasemi,1682m-mc"; + mci->ctl_name = "pasemi,pwrficient-mc"; mci->edac_check = pasemi_edac_check; mci->ctl_page_to_phys = NULL; pci_read_config_dword(pdev, MCCFG_SCRUB, &scrub); @@ -297,4 +297,4 @@ module_exit(pasemi_edac_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Egor Martovetsky <egor@pasemi.com>"); -MODULE_DESCRIPTION("MC support for PA Semi PA6T-1682M memory controller"); +MODULE_DESCRIPTION("MC support for PA Semi PWRficient memory controller"); diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index 5c742a526082..5ae28f076d25 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -35,6 +35,7 @@ #include <linux/spinlock.h> #include <linux/completion.h> #include <linux/device.h> +#include <linux/kthread.h> #include <asm/uaccess.h> #include <asm/semaphore.h> @@ -82,21 +83,11 @@ struct adb_driver *adb_controller; BLOCKING_NOTIFIER_HEAD(adb_client_list); static int adb_got_sleep; static int adb_inited; -static pid_t adb_probe_task_pid; static DECLARE_MUTEX(adb_probe_mutex); -static struct completion adb_probe_task_comp; static int sleepy_trackpad; static int autopoll_devs; int __adb_probe_sync; -#ifdef CONFIG_PM_SLEEP -static void adb_notify_sleep(struct pmu_sleep_notifier *self, int when); -static struct pmu_sleep_notifier adb_sleep_notifier = { - adb_notify_sleep, - SLEEP_LEVEL_ADB, -}; -#endif - static int adb_scan_bus(void); static int do_adb_reset_bus(void); static void adbdev_init(void); @@ -134,16 +125,6 @@ static void printADBreply(struct adb_request *req) } #endif - -static __inline__ void adb_wait_ms(unsigned int ms) -{ - if (current->pid && adb_probe_task_pid && - adb_probe_task_pid == current->pid) - msleep(ms); - else - mdelay(ms); -} - static int adb_scan_bus(void) { int i, highFree=0, noMovement; @@ -248,13 +229,10 @@ static int adb_scan_bus(void) static int adb_probe_task(void *x) { - strcpy(current->comm, "kadbprobe"); - printk(KERN_INFO "adb: starting probe task...\n"); do_adb_reset_bus(); printk(KERN_INFO "adb: finished probe task...\n"); - adb_probe_task_pid = 0; up(&adb_probe_mutex); return 0; @@ -263,7 +241,7 @@ adb_probe_task(void *x) static void __adb_probe_task(struct work_struct *bullshit) { - adb_probe_task_pid = kernel_thread(adb_probe_task, NULL, SIGCHLD | CLONE_KERNEL); + kthread_run(adb_probe_task, NULL, "kadbprobe"); } static DECLARE_WORK(adb_reset_work, __adb_probe_task); @@ -281,6 +259,36 @@ adb_reset_bus(void) return 0; } +#ifdef CONFIG_PM +/* + * notify clients before sleep + */ +static int adb_suspend(struct platform_device *dev, pm_message_t state) +{ + adb_got_sleep = 1; + /* We need to get a lock on the probe thread */ + down(&adb_probe_mutex); + /* Stop autopoll */ + if (adb_controller->autopoll) + adb_controller->autopoll(0); + blocking_notifier_call_chain(&adb_client_list, ADB_MSG_POWERDOWN, NULL); + + return 0; +} + +/* + * reset bus after sleep + */ +static int adb_resume(struct platform_device *dev) +{ + adb_got_sleep = 0; + up(&adb_probe_mutex); + adb_reset_bus(); + + return 0; +} +#endif /* CONFIG_PM */ + int __init adb_init(void) { struct adb_driver *driver; @@ -313,15 +321,12 @@ int __init adb_init(void) printk(KERN_WARNING "Warning: no ADB interface detected\n"); adb_controller = NULL; } else { -#ifdef CONFIG_PM_SLEEP - pmu_register_sleep_notifier(&adb_sleep_notifier); -#endif /* CONFIG_PM */ #ifdef CONFIG_PPC if (machine_is_compatible("AAPL,PowerBook1998") || machine_is_compatible("PowerBook1,1")) sleepy_trackpad = 1; #endif /* CONFIG_PPC */ - init_completion(&adb_probe_task_comp); + adbdev_init(); adb_reset_bus(); } @@ -330,33 +335,6 @@ int __init adb_init(void) __initcall(adb_init); -#ifdef CONFIG_PM -/* - * notify clients before sleep and reset bus afterwards - */ -void -adb_notify_sleep(struct pmu_sleep_notifier *self, int when) -{ - switch (when) { - case PBOOK_SLEEP_REQUEST: - adb_got_sleep = 1; - /* We need to get a lock on the probe thread */ - down(&adb_probe_mutex); - /* Stop autopoll */ - if (adb_controller->autopoll) - adb_controller->autopoll(0); - blocking_notifier_call_chain(&adb_client_list, - ADB_MSG_POWERDOWN, NULL); - break; - case PBOOK_WAKE: - adb_got_sleep = 0; - up(&adb_probe_mutex); - adb_reset_bus(); - break; - } -} -#endif /* CONFIG_PM */ - static int do_adb_reset_bus(void) { @@ -373,7 +351,7 @@ do_adb_reset_bus(void) if (sleepy_trackpad) { /* Let the trackpad settle down */ - adb_wait_ms(500); + msleep(500); } down(&adb_handler_sem); @@ -389,7 +367,7 @@ do_adb_reset_bus(void) if (sleepy_trackpad) { /* Let the trackpad settle down */ - adb_wait_ms(1500); + msleep(1500); } if (!ret) { @@ -413,41 +391,27 @@ adb_poll(void) adb_controller->poll(); } -static void -adb_probe_wakeup(struct adb_request *req) +static void adb_sync_req_done(struct adb_request *req) { - complete(&adb_probe_task_comp); -} + struct completion *comp = req->arg; -/* Static request used during probe */ -static struct adb_request adb_sreq; -static unsigned long adb_sreq_lock; // Use semaphore ! */ + complete(comp); +} int adb_request(struct adb_request *req, void (*done)(struct adb_request *), int flags, int nbytes, ...) { va_list list; - int i, use_sreq; + int i; int rc; + struct completion comp; if ((adb_controller == NULL) || (adb_controller->send_request == NULL)) return -ENXIO; if (nbytes < 1) return -EINVAL; - if (req == NULL && (flags & ADBREQ_NOSEND)) - return -EINVAL; - - if (req == NULL) { - if (test_and_set_bit(0,&adb_sreq_lock)) { - printk("adb.c: Warning: contention on static request !\n"); - return -EPERM; - } - req = &adb_sreq; - flags |= ADBREQ_SYNC; - use_sreq = 1; - } else - use_sreq = 0; + req->nbytes = nbytes+1; req->done = done; req->reply_expected = flags & ADBREQ_REPLY; @@ -460,25 +424,18 @@ adb_request(struct adb_request *req, void (*done)(struct adb_request *), if (flags & ADBREQ_NOSEND) return 0; - /* Synchronous requests send from the probe thread cause it to - * block. Beware that the "done" callback will be overriden ! - */ - if ((flags & ADBREQ_SYNC) && - (current->pid && adb_probe_task_pid && - adb_probe_task_pid == current->pid)) { - req->done = adb_probe_wakeup; - rc = adb_controller->send_request(req, 0); - if (rc || req->complete) - goto bail; - wait_for_completion(&adb_probe_task_comp); - rc = 0; - goto bail; + /* Synchronous requests block using an on-stack completion */ + if (flags & ADBREQ_SYNC) { + WARN_ON(done); + req->done = adb_sync_req_done; + req->arg = ∁ + init_completion(&comp); } - rc = adb_controller->send_request(req, flags & ADBREQ_SYNC); -bail: - if (use_sreq) - clear_bit(0, &adb_sreq_lock); + rc = adb_controller->send_request(req, 0); + + if ((flags & ADBREQ_SYNC) && !rc && !req->complete) + wait_for_completion(&comp); return rc; } @@ -864,7 +821,29 @@ static const struct file_operations adb_fops = { .release = adb_release, }; -static void +static struct platform_driver adb_pfdrv = { + .driver = { + .name = "adb", + }, +#ifdef CONFIG_PM + .suspend = adb_suspend, + .resume = adb_resume, +#endif +}; + +static struct platform_device adb_pfdev = { + .name = "adb", +}; + +static int __init +adb_dummy_probe(struct platform_device *dev) +{ + if (dev == &adb_pfdev) + return 0; + return -ENODEV; +} + +static void __init adbdev_init(void) { if (register_chrdev(ADB_MAJOR, "adb", &adb_fops)) { @@ -876,4 +855,7 @@ adbdev_init(void) if (IS_ERR(adb_dev_class)) return; class_device_create(adb_dev_class, NULL, MKDEV(ADB_MAJOR, 0), NULL, "adb"); + + platform_device_register(&adb_pfdev); + platform_driver_probe(&adb_pfdrv, adb_dummy_probe); } diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c index 48d647abea46..192bef5c20b3 100644 --- a/drivers/macintosh/mediabay.c +++ b/drivers/macintosh/mediabay.c @@ -20,6 +20,7 @@ #include <linux/stddef.h> #include <linux/init.h> #include <linux/ide.h> +#include <linux/kthread.h> #include <asm/prom.h> #include <asm/pgtable.h> #include <asm/io.h> @@ -35,7 +36,6 @@ #define MB_DEBUG -#define MB_IGNORE_SIGNALS #ifdef MB_DEBUG #define MBDBG(fmt, arg...) printk(KERN_INFO fmt , ## arg) @@ -622,12 +622,7 @@ static int media_bay_task(void *x) { int i; - strcpy(current->comm, "media-bay"); -#ifdef MB_IGNORE_SIGNALS - sigfillset(¤t->blocked); -#endif - - for (;;) { + while (!kthread_should_stop()) { for (i = 0; i < media_bay_count; ++i) { down(&media_bays[i].lock); if (!media_bays[i].sleeping) @@ -636,9 +631,8 @@ static int media_bay_task(void *x) } msleep_interruptible(MB_POLL_DELAY); - if (signal_pending(current)) - return 0; } + return 0; } static int __devinit media_bay_attach(struct macio_dev *mdev, const struct of_device_id *match) @@ -699,7 +693,7 @@ static int __devinit media_bay_attach(struct macio_dev *mdev, const struct of_de /* Startup kernel thread */ if (i == 0) - kernel_thread(media_bay_task, NULL, CLONE_KERNEL); + kthread_run(media_bay_task, NULL, "media-bay"); return 0; diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c index e43554e754a4..6fadc9ac66b0 100644 --- a/drivers/macintosh/therm_pm72.c +++ b/drivers/macintosh/therm_pm72.c @@ -121,6 +121,7 @@ #include <linux/reboot.h> #include <linux/kmod.h> #include <linux/i2c.h> +#include <linux/kthread.h> #include <asm/prom.h> #include <asm/machdep.h> #include <asm/io.h> @@ -161,7 +162,7 @@ static struct slots_pid_state slots_state; static int state; static int cpu_count; static int cpu_pid_type; -static pid_t ctrl_task; +static struct task_struct *ctrl_task; static struct completion ctrl_complete; static int critical_state; static int rackmac; @@ -1779,8 +1780,6 @@ static int call_critical_overtemp(void) */ static int main_control_loop(void *x) { - daemonize("kfand"); - DBG("main_control_loop started\n"); down(&driver_lock); @@ -1956,7 +1955,7 @@ static void start_control_loops(void) { init_completion(&ctrl_complete); - ctrl_task = kernel_thread(main_control_loop, NULL, SIGCHLD | CLONE_KERNEL); + ctrl_task = kthread_run(main_control_loop, NULL, "kfand"); } /* @@ -1964,7 +1963,7 @@ static void start_control_loops(void) */ static void stop_control_loops(void) { - if (ctrl_task != 0) + if (ctrl_task) wait_for_completion(&ctrl_complete); } diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c index 5452da1bb1a5..37224025f00e 100644 --- a/drivers/macintosh/therm_windtunnel.c +++ b/drivers/macintosh/therm_windtunnel.c @@ -36,6 +36,7 @@ #include <linux/i2c.h> #include <linux/slab.h> #include <linux/init.h> +#include <linux/kthread.h> #include <asm/prom.h> #include <asm/machdep.h> @@ -61,8 +62,7 @@ I2C_CLIENT_INSMOD; static struct { volatile int running; - struct completion completion; - pid_t poll_task; + struct task_struct *poll_task; struct semaphore lock; struct of_device *of_dev; @@ -282,27 +282,27 @@ restore_regs( void ) write_reg( x.fan, 0x00, x.r0, 1 ); } -static int -control_loop( void *dummy ) +static int control_loop(void *dummy) { - daemonize("g4fand"); - - down( &x.lock ); + down(&x.lock); setup_hardware(); + up(&x.lock); - while( x.running ) { - up( &x.lock ); - + for (;;) { msleep_interruptible(8000); - - down( &x.lock ); + if (kthread_should_stop()) + break; + + down(&x.lock); poll_temp(); + up(&x.lock); } + down(&x.lock); restore_regs(); - up( &x.lock ); + up(&x.lock); - complete_and_exit( &x.completion, 0 ); + return 0; } @@ -322,8 +322,7 @@ do_attach( struct i2c_adapter *adapter ) ret = i2c_probe( adapter, &addr_data, &do_probe ); if( x.thermostat && x.fan ) { x.running = 1; - init_completion( &x.completion ); - x.poll_task = kernel_thread( control_loop, NULL, SIGCHLD | CLONE_KERNEL ); + x.poll_task = kthread_run(control_loop, NULL, "g4fand"); } } return ret; @@ -339,7 +338,8 @@ do_detach( struct i2c_client *client ) else { if( x.running ) { x.running = 0; - wait_for_completion( &x.completion ); + kthread_stop(x.poll_task); + x.poll_task = NULL; } if( client == x.thermostat ) x.thermostat = NULL; diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c index 7e27071746e4..741a2e3f4fc6 100644 --- a/drivers/macintosh/via-pmu-backlight.c +++ b/drivers/macintosh/via-pmu-backlight.c @@ -22,7 +22,7 @@ static u8 bl_curve[FB_BACKLIGHT_LEVELS]; static void pmu_backlight_init_curve(u8 off, u8 min, u8 max) { - unsigned int i, flat, count, range = (max - min); + int i, flat, count, range = (max - min); bl_curve[0] = off; @@ -68,17 +68,11 @@ static int pmu_backlight_get_level_brightness(int level) return pmulevel; } -static int pmu_backlight_update_status(struct backlight_device *bd) +static int __pmu_backlight_update_status(struct backlight_device *bd) { struct adb_request req; - unsigned long flags; int level = bd->props.brightness; - spin_lock_irqsave(&pmu_backlight_lock, flags); - - /* Don't update brightness when sleeping */ - if (sleeping) - goto out; if (bd->props.power != FB_BLANK_UNBLANK || bd->props.fb_blank != FB_BLANK_UNBLANK) @@ -99,12 +93,23 @@ static int pmu_backlight_update_status(struct backlight_device *bd) pmu_wait_complete(&req); } -out: - spin_unlock_irqrestore(&pmu_backlight_lock, flags); - return 0; } +static int pmu_backlight_update_status(struct backlight_device *bd) +{ + unsigned long flags; + int rc = 0; + + spin_lock_irqsave(&pmu_backlight_lock, flags); + /* Don't update brightness when sleeping */ + if (!sleeping) + rc = __pmu_backlight_update_status(bd); + spin_unlock_irqrestore(&pmu_backlight_lock, flags); + return rc; +} + + static int pmu_backlight_get_brightness(struct backlight_device *bd) { return bd->props.brightness; @@ -123,6 +128,16 @@ void pmu_backlight_set_sleep(int sleep) spin_lock_irqsave(&pmu_backlight_lock, flags); sleeping = sleep; + if (pmac_backlight) { + if (sleep) { + struct adb_request req; + + pmu_request(&req, NULL, 2, PMU_POWER_CTRL, + PMU_POW_BACKLIGHT | PMU_POW_OFF); + pmu_wait_complete(&req); + } else + __pmu_backlight_update_status(pmac_backlight); + } spin_unlock_irqrestore(&pmu_backlight_lock, flags); } #endif /* CONFIG_PM */ @@ -148,8 +163,8 @@ void __init pmu_backlight_init() bd = backlight_device_register(name, NULL, NULL, &pmu_backlight_data); if (IS_ERR(bd)) { - printk("pmubl: Backlight registration failed\n"); - goto error; + printk(KERN_ERR "PMU Backlight registration failed\n"); + return; } bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; pmu_backlight_init_curve(0x7F, 0x46, 0x0E); @@ -171,10 +186,5 @@ void __init pmu_backlight_init() bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); - printk("pmubl: Backlight initialized (%s)\n", name); - - return; - -error: - return; + printk(KERN_INFO "PMU Backlight initialized (%s)\n", name); } diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index 6123c70153d3..82ec12e0edd2 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -10,13 +10,11 @@ * * Copyright (C) 1998 Paul Mackerras and Fabio Riccardi. * Copyright (C) 2001-2002 Benjamin Herrenschmidt + * Copyright (C) 2006-2007 Johannes Berg * * THIS DRIVER IS BECOMING A TOTAL MESS ! * - Cleanup atomically disabling reply to PMU events after * a sleep or a freq. switch - * - Move sleep code out of here to pmac_pm, merge into new - * common PM infrastructure - * - Save/Restore PCI space properly * */ #include <stdarg.h> @@ -33,7 +31,6 @@ #include <linux/adb.h> #include <linux/pmu.h> #include <linux/cuda.h> -#include <linux/smp_lock.h> #include <linux/module.h> #include <linux/spinlock.h> #include <linux/pm.h> @@ -65,9 +62,7 @@ #include "via-pmu-event.h" /* Some compile options */ -#undef SUSPEND_USES_PMU -#define DEBUG_SLEEP -#undef HACKED_PCI_SAVE +#undef DEBUG_SLEEP /* Misc minor number allocated for /dev/pmu */ #define PMU_MINOR 154 @@ -152,12 +147,9 @@ static spinlock_t pmu_lock; static u8 pmu_intr_mask; static int pmu_version; static int drop_interrupts; -#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) +#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) static int option_lid_wakeup = 1; -#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */ -#if (defined(CONFIG_PM_SLEEP)&&defined(CONFIG_PPC32))||defined(CONFIG_PMAC_BACKLIGHT_LEGACY) -static int sleep_in_progress; -#endif +#endif /* CONFIG_SUSPEND && CONFIG_PPC32 */ static unsigned long async_req_locks; static unsigned int pmu_irq_stats[11]; @@ -177,7 +169,6 @@ static struct proc_dir_entry *proc_pmu_batt[PMU_MAX_BATTERIES]; int __fake_sleep; int asleep; -BLOCKING_NOTIFIER_HEAD(sleep_notifier_list); #ifdef CONFIG_ADB static int adb_dev_map; @@ -224,7 +215,7 @@ extern void enable_kernel_fp(void); #ifdef DEBUG_SLEEP int pmu_polled_request(struct adb_request *req); -int pmu_wink(struct adb_request *req); +void pmu_blink(int n); #endif /* @@ -875,7 +866,7 @@ proc_read_options(char *page, char **start, off_t off, { char *p = page; -#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) +#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) if (pmu_kind == PMU_KEYLARGO_BASED && pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) >= 0) p += sprintf(p, "lid_wakeup=%d\n", option_lid_wakeup); @@ -916,7 +907,7 @@ proc_write_options(struct file *file, const char __user *buffer, *(val++) = 0; while(*val == ' ') val++; -#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) +#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) if (pmu_kind == PMU_KEYLARGO_BASED && pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) >= 0) if (!strcmp(label, "lid_wakeup")) @@ -1256,9 +1247,7 @@ void pmu_suspend(void) { unsigned long flags; -#ifdef SUSPEND_USES_PMU - struct adb_request *req; -#endif + if (!via) return; @@ -1276,17 +1265,10 @@ pmu_suspend(void) via_pmu_interrupt(0, NULL); spin_lock_irqsave(&pmu_lock, flags); if (!adb_int_pending && pmu_state == idle && !req_awaiting_reply) { -#ifdef SUSPEND_USES_PMU - pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, 0); - spin_unlock_irqrestore(&pmu_lock, flags); - while(!req.complete) - pmu_poll(); -#else /* SUSPEND_USES_PMU */ if (gpio_irq >= 0) disable_irq_nosync(gpio_irq); out_8(&via[IER], CB1_INT | IER_CLR); spin_unlock_irqrestore(&pmu_lock, flags); -#endif /* SUSPEND_USES_PMU */ break; } } while (1); @@ -1307,18 +1289,11 @@ pmu_resume(void) return; } adb_int_pending = 1; -#ifdef SUSPEND_USES_PMU - pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, pmu_intr_mask); - spin_unlock_irqrestore(&pmu_lock, flags); - while(!req.complete) - pmu_poll(); -#else /* SUSPEND_USES_PMU */ if (gpio_irq >= 0) enable_irq(gpio_irq); out_8(&via[IER], CB1_INT | IER_SET); spin_unlock_irqrestore(&pmu_lock, flags); pmu_poll(); -#endif /* SUSPEND_USES_PMU */ } /* Interrupt data could be the result data from an ADB cmd */ @@ -1738,228 +1713,7 @@ pmu_present(void) return via != 0; } -#ifdef CONFIG_PM_SLEEP - -static LIST_HEAD(sleep_notifiers); - -int -pmu_register_sleep_notifier(struct pmu_sleep_notifier *n) -{ - struct list_head *list; - struct pmu_sleep_notifier *notifier; - - for (list = sleep_notifiers.next; list != &sleep_notifiers; - list = list->next) { - notifier = list_entry(list, struct pmu_sleep_notifier, list); - if (n->priority > notifier->priority) - break; - } - __list_add(&n->list, list->prev, list); - return 0; -} -EXPORT_SYMBOL(pmu_register_sleep_notifier); - -int -pmu_unregister_sleep_notifier(struct pmu_sleep_notifier* n) -{ - if (n->list.next == 0) - return -ENOENT; - list_del(&n->list); - n->list.next = NULL; - return 0; -} -EXPORT_SYMBOL(pmu_unregister_sleep_notifier); -#endif /* CONFIG_PM_SLEEP */ - -#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) - -/* Sleep is broadcast last-to-first */ -static void broadcast_sleep(int when) -{ - struct list_head *list; - struct pmu_sleep_notifier *notifier; - - for (list = sleep_notifiers.prev; list != &sleep_notifiers; - list = list->prev) { - notifier = list_entry(list, struct pmu_sleep_notifier, list); - notifier->notifier_call(notifier, when); - } -} - -/* Wake is broadcast first-to-last */ -static void broadcast_wake(void) -{ - struct list_head *list; - struct pmu_sleep_notifier *notifier; - - for (list = sleep_notifiers.next; list != &sleep_notifiers; - list = list->next) { - notifier = list_entry(list, struct pmu_sleep_notifier, list); - notifier->notifier_call(notifier, PBOOK_WAKE); - } -} - -/* - * This struct is used to store config register values for - * PCI devices which may get powered off when we sleep. - */ -static struct pci_save { -#ifndef HACKED_PCI_SAVE - u16 command; - u16 cache_lat; - u16 intr; - u32 rom_address; -#else - u32 config[16]; -#endif -} *pbook_pci_saves; -static int pbook_npci_saves; - -static void -pbook_alloc_pci_save(void) -{ - int npci; - struct pci_dev *pd = NULL; - - npci = 0; - while ((pd = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pd)) != NULL) { - ++npci; - } - if (npci == 0) - return; - pbook_pci_saves = (struct pci_save *) - kmalloc(npci * sizeof(struct pci_save), GFP_KERNEL); - pbook_npci_saves = npci; -} - -static void -pbook_free_pci_save(void) -{ - if (pbook_pci_saves == NULL) - return; - kfree(pbook_pci_saves); - pbook_pci_saves = NULL; - pbook_npci_saves = 0; -} - -static void -pbook_pci_save(void) -{ - struct pci_save *ps = pbook_pci_saves; - struct pci_dev *pd = NULL; - int npci = pbook_npci_saves; - - if (ps == NULL) - return; - - while ((pd = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pd)) != NULL) { - if (npci-- == 0) { - pci_dev_put(pd); - return; - } -#ifndef HACKED_PCI_SAVE - pci_read_config_word(pd, PCI_COMMAND, &ps->command); - pci_read_config_word(pd, PCI_CACHE_LINE_SIZE, &ps->cache_lat); - pci_read_config_word(pd, PCI_INTERRUPT_LINE, &ps->intr); - pci_read_config_dword(pd, PCI_ROM_ADDRESS, &ps->rom_address); -#else - int i; - for (i=1;i<16;i++) - pci_read_config_dword(pd, i<<4, &ps->config[i]); -#endif - ++ps; - } -} - -/* For this to work, we must take care of a few things: If gmac was enabled - * during boot, it will be in the pci dev list. If it's disabled at this point - * (and it will probably be), then you can't access it's config space. - */ -static void -pbook_pci_restore(void) -{ - u16 cmd; - struct pci_save *ps = pbook_pci_saves - 1; - struct pci_dev *pd = NULL; - int npci = pbook_npci_saves; - int j; - - while ((pd = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pd)) != NULL) { -#ifdef HACKED_PCI_SAVE - int i; - if (npci-- == 0) { - pci_dev_put(pd); - return; - } - ps++; - for (i=2;i<16;i++) - pci_write_config_dword(pd, i<<4, ps->config[i]); - pci_write_config_dword(pd, 4, ps->config[1]); -#else - if (npci-- == 0) - return; - ps++; - if (ps->command == 0) - continue; - pci_read_config_word(pd, PCI_COMMAND, &cmd); - if ((ps->command & ~cmd) == 0) - continue; - switch (pd->hdr_type) { - case PCI_HEADER_TYPE_NORMAL: - for (j = 0; j < 6; ++j) - pci_write_config_dword(pd, - PCI_BASE_ADDRESS_0 + j*4, - pd->resource[j].start); - pci_write_config_dword(pd, PCI_ROM_ADDRESS, - ps->rom_address); - pci_write_config_word(pd, PCI_CACHE_LINE_SIZE, - ps->cache_lat); - pci_write_config_word(pd, PCI_INTERRUPT_LINE, - ps->intr); - pci_write_config_word(pd, PCI_COMMAND, ps->command); - break; - } -#endif - } -} - -#ifdef DEBUG_SLEEP -/* N.B. This doesn't work on the 3400 */ -void -pmu_blink(int n) -{ - struct adb_request req; - - memset(&req, 0, sizeof(req)); - - for (; n > 0; --n) { - req.nbytes = 4; - req.done = NULL; - req.data[0] = 0xee; - req.data[1] = 4; - req.data[2] = 0; - req.data[3] = 1; - req.reply[0] = ADB_RET_OK; - req.reply_len = 1; - req.reply_expected = 0; - pmu_polled_request(&req); - mdelay(50); - req.nbytes = 4; - req.done = NULL; - req.data[0] = 0xee; - req.data[1] = 4; - req.data[2] = 0; - req.data[3] = 0; - req.reply[0] = ADB_RET_OK; - req.reply_len = 1; - req.reply_expected = 0; - pmu_polled_request(&req); - mdelay(50); - } - mdelay(50); -} -#endif - +#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) /* * Put the powerbook to sleep. */ @@ -1994,134 +1748,6 @@ restore_via_state(void) out_8(&via[IER], IER_SET | SR_INT | CB1_INT); } -extern void pmu_backlight_set_sleep(int sleep); - -static int -pmac_suspend_devices(void) -{ - int ret; - - pm_prepare_console(); - - /* Notify old-style device drivers */ - broadcast_sleep(PBOOK_SLEEP_REQUEST); - - /* Sync the disks. */ - /* XXX It would be nice to have some way to ensure that - * nobody is dirtying any new buffers while we wait. That - * could be achieved using the refrigerator for processes - * that swsusp uses - */ - sys_sync(); - - broadcast_sleep(PBOOK_SLEEP_NOW); - - /* Send suspend call to devices, hold the device core's dpm_sem */ - ret = device_suspend(PMSG_SUSPEND); - if (ret) { - broadcast_wake(); - printk(KERN_ERR "Driver sleep failed\n"); - return -EBUSY; - } - -#ifdef CONFIG_PMAC_BACKLIGHT - /* Tell backlight code not to muck around with the chip anymore */ - pmu_backlight_set_sleep(1); -#endif - - /* Call platform functions marked "on sleep" */ - pmac_pfunc_i2c_suspend(); - pmac_pfunc_base_suspend(); - - /* Stop preemption */ - preempt_disable(); - - /* Make sure the decrementer won't interrupt us */ - asm volatile("mtdec %0" : : "r" (0x7fffffff)); - /* Make sure any pending DEC interrupt occurring while we did - * the above didn't re-enable the DEC */ - mb(); - asm volatile("mtdec %0" : : "r" (0x7fffffff)); - - /* We can now disable MSR_EE. This code of course works properly only - * on UP machines... For SMP, if we ever implement sleep, we'll have to - * stop the "other" CPUs way before we do all that stuff. - */ - local_irq_disable(); - - /* Broadcast power down irq - * This isn't that useful in most cases (only directly wired devices can - * use this but still... This will take care of sysdev's as well, so - * we exit from here with local irqs disabled and PIC off. - */ - ret = device_power_down(PMSG_SUSPEND); - if (ret) { - wakeup_decrementer(); - local_irq_enable(); - preempt_enable(); - device_resume(); - broadcast_wake(); - printk(KERN_ERR "Driver powerdown failed\n"); - return -EBUSY; - } - - /* Wait for completion of async requests */ - while (!batt_req.complete) - pmu_poll(); - - /* Giveup the lazy FPU & vec so we don't have to back them - * up from the low level code - */ - enable_kernel_fp(); - -#ifdef CONFIG_ALTIVEC - if (cpu_has_feature(CPU_FTR_ALTIVEC)) - enable_kernel_altivec(); -#endif /* CONFIG_ALTIVEC */ - - return 0; -} - -static int -pmac_wakeup_devices(void) -{ - mdelay(100); - -#ifdef CONFIG_PMAC_BACKLIGHT - /* Tell backlight code it can use the chip again */ - pmu_backlight_set_sleep(0); -#endif - - /* Power back up system devices (including the PIC) */ - device_power_up(); - - /* Force a poll of ADB interrupts */ - adb_int_pending = 1; - via_pmu_interrupt(0, NULL); - - /* Restart jiffies & scheduling */ - wakeup_decrementer(); - - /* Re-enable local CPU interrupts */ - local_irq_enable(); - mdelay(10); - preempt_enable(); - - /* Call platform functions marked "on wake" */ - pmac_pfunc_base_resume(); - pmac_pfunc_i2c_resume(); - - /* Resume devices */ - device_resume(); - - /* Notify old style drivers */ - broadcast_wake(); - - pm_restore_console(); - - return 0; -} - #define GRACKLE_PM (1<<7) #define GRACKLE_DOZE (1<<5) #define GRACKLE_NAP (1<<4) @@ -2132,19 +1758,12 @@ static int powerbook_sleep_grackle(void) unsigned long save_l2cr; unsigned short pmcr1; struct adb_request req; - int ret; struct pci_dev *grackle; grackle = pci_get_bus_and_slot(0, 0); if (!grackle) return -ENODEV; - ret = pmac_suspend_devices(); - if (ret) { - printk(KERN_ERR "Sleep rejected by devices\n"); - return ret; - } - /* Turn off various things. Darwin does some retry tests here... */ pmu_request(&req, NULL, 2, PMU_POWER_CTRL0, PMU_POW0_OFF|PMU_POW0_HARD_DRIVE); pmu_wait_complete(&req); @@ -2207,8 +1826,6 @@ static int powerbook_sleep_grackle(void) PMU_POW_ON|PMU_POW_BACKLIGHT|PMU_POW_CHARGER|PMU_POW_IRLED|PMU_POW_MEDIABAY); pmu_wait_complete(&req); - pmac_wakeup_devices(); - return 0; } @@ -2218,7 +1835,6 @@ powerbook_sleep_Core99(void) unsigned long save_l2cr; unsigned long save_l3cr; struct adb_request req; - int ret; if (pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) < 0) { printk(KERN_ERR "Sleep mode not supported on this machine\n"); @@ -2228,12 +1844,6 @@ powerbook_sleep_Core99(void) if (num_online_cpus() > 1 || cpu_is_offline(0)) return -EAGAIN; - ret = pmac_suspend_devices(); - if (ret) { - printk(KERN_ERR "Sleep rejected by devices\n"); - return ret; - } - /* Stop environment and ADB interrupts */ pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, 0); pmu_wait_complete(&req); @@ -2304,45 +1914,33 @@ powerbook_sleep_Core99(void) /* Restore LPJ, cpufreq will adjust the cpu frequency */ loops_per_jiffy /= 2; - pmac_wakeup_devices(); - return 0; } #define PB3400_MEM_CTRL 0xf8000000 #define PB3400_MEM_CTRL_SLEEP 0x70 -static int -powerbook_sleep_3400(void) +static void __iomem *pb3400_mem_ctrl; + +static void powerbook_sleep_init_3400(void) +{ + /* map in the memory controller registers */ + pb3400_mem_ctrl = ioremap(PB3400_MEM_CTRL, 0x100); + if (pb3400_mem_ctrl == NULL) + printk(KERN_WARNING "ioremap failed: sleep won't be possible"); +} + +static int powerbook_sleep_3400(void) { - int ret, i, x; + int i, x; unsigned int hid0; - unsigned long p; + unsigned long msr; struct adb_request sleep_req; - void __iomem *mem_ctrl; unsigned int __iomem *mem_ctrl_sleep; - /* first map in the memory controller registers */ - mem_ctrl = ioremap(PB3400_MEM_CTRL, 0x100); - if (mem_ctrl == NULL) { - printk("powerbook_sleep_3400: ioremap failed\n"); + if (pb3400_mem_ctrl == NULL) return -ENOMEM; - } - mem_ctrl_sleep = mem_ctrl + PB3400_MEM_CTRL_SLEEP; - - /* Allocate room for PCI save */ - pbook_alloc_pci_save(); - - ret = pmac_suspend_devices(); - if (ret) { - pbook_free_pci_save(); - iounmap(mem_ctrl); - printk(KERN_ERR "Sleep rejected by devices\n"); - return ret; - } - - /* Save the state of PCI config space for some slots */ - pbook_pci_save(); + mem_ctrl_sleep = pb3400_mem_ctrl + PB3400_MEM_CTRL_SLEEP; /* Set the memory controller to keep the memory refreshed while we're asleep */ @@ -2357,41 +1955,34 @@ powerbook_sleep_3400(void) /* Ask the PMU to put us to sleep */ pmu_request(&sleep_req, NULL, 5, PMU_SLEEP, 'M', 'A', 'T', 'T'); - while (!sleep_req.complete) - mb(); + pmu_wait_complete(&sleep_req); + pmu_unlock(); - pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,1); + pmac_call_feature(PMAC_FTR_SLEEP_STATE, NULL, 0, 1); - /* displacement-flush the L2 cache - necessary? */ - for (p = KERNELBASE; p < KERNELBASE + 0x100000; p += 0x1000) - i = *(volatile int *)p; asleep = 1; /* Put the CPU into sleep mode */ hid0 = mfspr(SPRN_HID0); hid0 = (hid0 & ~(HID0_NAP | HID0_DOZE)) | HID0_SLEEP; mtspr(SPRN_HID0, hid0); - mtmsr(mfmsr() | MSR_POW | MSR_EE); - udelay(10); + local_irq_enable(); + msr = mfmsr() | MSR_POW; + while (asleep) { + mb(); + mtmsr(msr); + isync(); + } + local_irq_disable(); /* OK, we're awake again, start restoring things */ out_be32(mem_ctrl_sleep, 0x3f); - pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,0); - pbook_pci_restore(); - pmu_unlock(); - - /* wait for the PMU interrupt sequence to complete */ - while (asleep) - mb(); - - pmac_wakeup_devices(); - pbook_free_pci_save(); - iounmap(mem_ctrl); + pmac_call_feature(PMAC_FTR_SLEEP_STATE, NULL, 0, 0); return 0; } -#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */ +#endif /* CONFIG_SUSPEND && CONFIG_PPC32 */ /* * Support for /dev/pmu device @@ -2548,7 +2139,6 @@ pmu_release(struct inode *inode, struct file *file) struct pmu_private *pp = file->private_data; unsigned long flags; - lock_kernel(); if (pp != 0) { file->private_data = NULL; spin_lock_irqsave(&all_pvt_lock, flags); @@ -2562,10 +2152,96 @@ pmu_release(struct inode *inode, struct file *file) kfree(pp); } - unlock_kernel(); return 0; } +#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) +static void pmac_suspend_disable_irqs(void) +{ + /* Call platform functions marked "on sleep" */ + pmac_pfunc_i2c_suspend(); + pmac_pfunc_base_suspend(); +} + +static int powerbook_sleep(suspend_state_t state) +{ + int error = 0; + + /* Wait for completion of async requests */ + while (!batt_req.complete) + pmu_poll(); + + /* Giveup the lazy FPU & vec so we don't have to back them + * up from the low level code + */ + enable_kernel_fp(); + +#ifdef CONFIG_ALTIVEC + if (cpu_has_feature(CPU_FTR_ALTIVEC)) + enable_kernel_altivec(); +#endif /* CONFIG_ALTIVEC */ + + switch (pmu_kind) { + case PMU_OHARE_BASED: + error = powerbook_sleep_3400(); + break; + case PMU_HEATHROW_BASED: + case PMU_PADDINGTON_BASED: + error = powerbook_sleep_grackle(); + break; + case PMU_KEYLARGO_BASED: + error = powerbook_sleep_Core99(); + break; + default: + return -ENOSYS; + } + + if (error) + return error; + + mdelay(100); + + return 0; +} + +static void pmac_suspend_enable_irqs(void) +{ + /* Force a poll of ADB interrupts */ + adb_int_pending = 1; + via_pmu_interrupt(0, NULL); + + mdelay(10); + + /* Call platform functions marked "on wake" */ + pmac_pfunc_base_resume(); + pmac_pfunc_i2c_resume(); +} + +static int pmu_sleep_valid(suspend_state_t state) +{ + return state == PM_SUSPEND_MEM + && (pmac_call_feature(PMAC_FTR_SLEEP_STATE, NULL, 0, -1) >= 0); +} + +static struct platform_suspend_ops pmu_pm_ops = { + .enter = powerbook_sleep, + .valid = pmu_sleep_valid, +}; + +static int register_pmu_pm_ops(void) +{ + if (pmu_kind == PMU_OHARE_BASED) + powerbook_sleep_init_3400(); + ppc_md.suspend_disable_irqs = pmac_suspend_disable_irqs; + ppc_md.suspend_enable_irqs = pmac_suspend_enable_irqs; + suspend_set_ops(&pmu_pm_ops); + + return 0; +} + +device_initcall(register_pmu_pm_ops); +#endif + static int pmu_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg) @@ -2574,35 +2250,15 @@ pmu_ioctl(struct inode * inode, struct file *filp, int error = -EINVAL; switch (cmd) { -#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) case PMU_IOC_SLEEP: if (!capable(CAP_SYS_ADMIN)) return -EACCES; - if (sleep_in_progress) - return -EBUSY; - sleep_in_progress = 1; - switch (pmu_kind) { - case PMU_OHARE_BASED: - error = powerbook_sleep_3400(); - break; - case PMU_HEATHROW_BASED: - case PMU_PADDINGTON_BASED: - error = powerbook_sleep_grackle(); - break; - case PMU_KEYLARGO_BASED: - error = powerbook_sleep_Core99(); - break; - default: - error = -ENOSYS; - } - sleep_in_progress = 0; - break; + return pm_suspend(PM_SUSPEND_MEM); case PMU_IOC_CAN_SLEEP: - if (pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) < 0) + if (pmac_call_feature(PMAC_FTR_SLEEP_STATE, NULL, 0, -1) < 0) return put_user(0, argp); else return put_user(1, argp); -#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */ #ifdef CONFIG_PMAC_BACKLIGHT_LEGACY /* Compatibility ioctl's for backlight */ @@ -2610,9 +2266,6 @@ pmu_ioctl(struct inode * inode, struct file *filp, { int brightness; - if (sleep_in_progress) - return -EBUSY; - brightness = pmac_backlight_get_legacy_brightness(); if (brightness < 0) return brightness; @@ -2624,9 +2277,6 @@ pmu_ioctl(struct inode * inode, struct file *filp, { int brightness; - if (sleep_in_progress) - return -EBUSY; - error = get_user(brightness, argp); if (error) return error; @@ -2751,15 +2401,43 @@ pmu_polled_request(struct adb_request *req) local_irq_restore(flags); return 0; } -#endif /* DEBUG_SLEEP */ +/* N.B. This doesn't work on the 3400 */ +void pmu_blink(int n) +{ + struct adb_request req; -/* FIXME: This is a temporary set of callbacks to enable us - * to do suspend-to-disk. - */ + memset(&req, 0, sizeof(req)); -#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) + for (; n > 0; --n) { + req.nbytes = 4; + req.done = NULL; + req.data[0] = 0xee; + req.data[1] = 4; + req.data[2] = 0; + req.data[3] = 1; + req.reply[0] = ADB_RET_OK; + req.reply_len = 1; + req.reply_expected = 0; + pmu_polled_request(&req); + mdelay(50); + req.nbytes = 4; + req.done = NULL; + req.data[0] = 0xee; + req.data[1] = 4; + req.data[2] = 0; + req.data[3] = 0; + req.reply[0] = ADB_RET_OK; + req.reply_len = 1; + req.reply_expected = 0; + pmu_polled_request(&req); + mdelay(50); + } + mdelay(50); +} +#endif /* DEBUG_SLEEP */ +#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) int pmu_sys_suspended; static int pmu_sys_suspend(struct sys_device *sysdev, pm_message_t state) @@ -2767,10 +2445,15 @@ static int pmu_sys_suspend(struct sys_device *sysdev, pm_message_t state) if (state.event != PM_EVENT_SUSPEND || pmu_sys_suspended) return 0; - /* Suspend PMU event interrupts */ + /* Suspend PMU event interrupts */\ pmu_suspend(); - pmu_sys_suspended = 1; + +#ifdef CONFIG_PMAC_BACKLIGHT + /* Tell backlight code not to muck around with the chip anymore */ + pmu_backlight_set_sleep(1); +#endif + return 0; } @@ -2785,15 +2468,18 @@ static int pmu_sys_resume(struct sys_device *sysdev) pmu_request(&req, NULL, 2, PMU_SYSTEM_READY, 2); pmu_wait_complete(&req); +#ifdef CONFIG_PMAC_BACKLIGHT + /* Tell backlight code it can use the chip again */ + pmu_backlight_set_sleep(0); +#endif /* Resume PMU event interrupts */ pmu_resume(); - pmu_sys_suspended = 0; return 0; } -#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */ +#endif /* CONFIG_SUSPEND && CONFIG_PPC32 */ static struct sysdev_class pmu_sysclass = { set_kset_name("pmu"), @@ -2804,10 +2490,10 @@ static struct sys_device device_pmu = { }; static struct sysdev_driver driver_pmu = { -#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) +#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) .suspend = &pmu_sys_suspend, .resume = &pmu_sys_resume, -#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */ +#endif /* CONFIG_SUSPEND && CONFIG_PPC32 */ }; static int __init init_pmu_sysfs(void) @@ -2842,10 +2528,10 @@ EXPORT_SYMBOL(pmu_wait_complete); EXPORT_SYMBOL(pmu_suspend); EXPORT_SYMBOL(pmu_resume); EXPORT_SYMBOL(pmu_unlock); -#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) +#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) EXPORT_SYMBOL(pmu_enable_irled); EXPORT_SYMBOL(pmu_battery_count); EXPORT_SYMBOL(pmu_batteries); EXPORT_SYMBOL(pmu_power_flags); -#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */ +#endif /* CONFIG_SUSPEND && CONFIG_PPC32 */ diff --git a/drivers/net/fs_enet/mac-fcc.c b/drivers/net/fs_enet/mac-fcc.c index da4efbca646e..e36321152d50 100644 --- a/drivers/net/fs_enet/mac-fcc.c +++ b/drivers/net/fs_enet/mac-fcc.c @@ -81,16 +81,8 @@ static inline int fcc_cr_cmd(struct fs_enet_private *fep, u32 op) { const struct fs_platform_info *fpi = fep->fpi; - int i; - - W32(cpmp, cp_cpcr, fpi->cp_command | op | CPM_CR_FLG); - for (i = 0; i < MAX_CR_CMD_LOOPS; i++) - if ((R32(cpmp, cp_cpcr) & CPM_CR_FLG) == 0) - return 0; - printk(KERN_ERR "%s(): Not able to issue CPM command\n", - __FUNCTION__); - return 1; + return cpm_command(fpi->cp_command, op); } static int do_pd_setup(struct fs_enet_private *fep) diff --git a/drivers/net/fs_enet/mac-scc.c b/drivers/net/fs_enet/mac-scc.c index 48f2f3005935..fe3d8a621c33 100644 --- a/drivers/net/fs_enet/mac-scc.c +++ b/drivers/net/fs_enet/mac-scc.c @@ -89,21 +89,12 @@ * Delay to wait for SCC reset command to complete (in us) */ #define SCC_RESET_DELAY 50 -#define MAX_CR_CMD_LOOPS 10000 static inline int scc_cr_cmd(struct fs_enet_private *fep, u32 op) { const struct fs_platform_info *fpi = fep->fpi; - int i; - - W16(cpmp, cp_cpcr, fpi->cp_command | CPM_CR_FLG | (op << 8)); - for (i = 0; i < MAX_CR_CMD_LOOPS; i++) - if ((R16(cpmp, cp_cpcr) & CPM_CR_FLG) == 0) - return 0; - printk(KERN_ERR "%s(): Not able to issue CPM command\n", - __FUNCTION__); - return 1; + return cpm_command(fpi->cp_command, op); } static int do_pd_setup(struct fs_enet_private *fep) diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index abac7db3819e..8d456e379a86 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -3822,6 +3822,7 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma int err, ucc_num, max_speed = 0; const phandle *ph; const unsigned int *prop; + const char *sprop; const void *mac_addr; phy_interface_t phy_interface; static const int enet_to_speed[] = { @@ -3854,10 +3855,56 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma ug_info->uf_info.ucc_num = ucc_num; - prop = of_get_property(np, "rx-clock", NULL); - ug_info->uf_info.rx_clock = *prop; - prop = of_get_property(np, "tx-clock", NULL); - ug_info->uf_info.tx_clock = *prop; + sprop = of_get_property(np, "rx-clock-name", NULL); + if (sprop) { + ug_info->uf_info.rx_clock = qe_clock_source(sprop); + if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) || + (ug_info->uf_info.rx_clock > QE_CLK24)) { + printk(KERN_ERR + "ucc_geth: invalid rx-clock-name property\n"); + return -EINVAL; + } + } else { + prop = of_get_property(np, "rx-clock", NULL); + if (!prop) { + /* If both rx-clock-name and rx-clock are missing, + we want to tell people to use rx-clock-name. */ + printk(KERN_ERR + "ucc_geth: missing rx-clock-name property\n"); + return -EINVAL; + } + if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) { + printk(KERN_ERR + "ucc_geth: invalid rx-clock propperty\n"); + return -EINVAL; + } + ug_info->uf_info.rx_clock = *prop; + } + + sprop = of_get_property(np, "tx-clock-name", NULL); + if (sprop) { + ug_info->uf_info.tx_clock = qe_clock_source(sprop); + if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) || + (ug_info->uf_info.tx_clock > QE_CLK24)) { + printk(KERN_ERR + "ucc_geth: invalid tx-clock-name property\n"); + return -EINVAL; + } + } else { + prop = of_get_property(np, "rx-clock", NULL); + if (!prop) { + printk(KERN_ERR + "ucc_geth: mising tx-clock-name property\n"); + return -EINVAL; + } + if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) { + printk(KERN_ERR + "ucc_geth: invalid tx-clock property\n"); + return -EINVAL; + } + ug_info->uf_info.tx_clock = *prop; + } + err = of_address_to_resource(np, 0, &res); if (err) return -EINVAL; diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c index b169b0e2647f..191954bc8e5b 100644 --- a/drivers/pci/hotplug/rpadlpar_core.c +++ b/drivers/pci/hotplug/rpadlpar_core.c @@ -155,7 +155,7 @@ static void dlpar_pci_add_bus(struct device_node *dn) dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) of_scan_pci_bridge(dn, dev); - pcibios_fixup_new_pci_devices(dev->subordinate,0); + pcibios_fixup_new_pci_devices(dev->subordinate); /* Claim new bus resources */ pcibios_claim_one_bus(dev->bus); diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/serial/cpm_uart/cpm_uart_cpm1.c index 52fb044bb79a..6ea0366e26ae 100644 --- a/drivers/serial/cpm_uart/cpm_uart_cpm1.c +++ b/drivers/serial/cpm_uart/cpm_uart_cpm1.c @@ -52,11 +52,7 @@ #ifdef CONFIG_PPC_CPM_NEW_BINDING void cpm_line_cr_cmd(struct uart_cpm_port *port, int cmd) { - u16 __iomem *cpcr = &cpmp->cp_cpcr; - - out_be16(cpcr, port->command | (cmd << 8) | CPM_CR_FLG); - while (in_be16(cpcr) & CPM_CR_FLG) - ; + cpm_command(port->command, cmd); } #else void cpm_line_cr_cmd(struct uart_cpm_port *port, int cmd) diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/serial/cpm_uart/cpm_uart_cpm2.c index 882dbc17d590..def01582de5c 100644 --- a/drivers/serial/cpm_uart/cpm_uart_cpm2.c +++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.c @@ -52,13 +52,7 @@ #ifdef CONFIG_PPC_CPM_NEW_BINDING void cpm_line_cr_cmd(struct uart_cpm_port *port, int cmd) { - cpm_cpm2_t __iomem *cp = cpm2_map(im_cpm); - - out_be32(&cp->cp_cpcr, port->command | cmd | CPM_CR_FLG); - while (in_be32(&cp->cp_cpcr) & CPM_CR_FLG) - ; - - cpm2_unmap(cp); + cpm_command(port->command, cmd); } #else void cpm_line_cr_cmd(struct uart_cpm_port *port, int cmd) diff --git a/include/asm-powerpc/8xx_immap.h b/include/asm-powerpc/8xx_immap.h index 1311cefdfd30..4b0e15206006 100644 --- a/include/asm-powerpc/8xx_immap.h +++ b/include/asm-powerpc/8xx_immap.h @@ -123,7 +123,7 @@ typedef struct mem_ctlr { #define OR_G5LA 0x00000400 /* Output #GPL5 on #GPL_A5 */ #define OR_G5LS 0x00000200 /* Drive #GPL high on falling edge of...*/ #define OR_BI 0x00000100 /* Burst inhibit */ -#define OR_SCY_MSK 0x000000f0 /* Cycle Lenght in Clocks */ +#define OR_SCY_MSK 0x000000f0 /* Cycle Length in Clocks */ #define OR_SCY_0_CLK 0x00000000 /* 0 clock cycles wait states */ #define OR_SCY_1_CLK 0x00000010 /* 1 clock cycles wait states */ #define OR_SCY_2_CLK 0x00000020 /* 2 clock cycles wait states */ diff --git a/include/asm-powerpc/commproc.h b/include/asm-powerpc/commproc.h index 2ee59d7b335c..9e3b8648648c 100644 --- a/include/asm-powerpc/commproc.h +++ b/include/asm-powerpc/commproc.h @@ -693,7 +693,7 @@ typedef struct risc_timer_pram { #define CICR_SCC_SCC3 ((uint)0x00200000) /* SCC3 @ SCCc */ #define CICR_SCB_SCC2 ((uint)0x00040000) /* SCC2 @ SCCb */ #define CICR_SCA_SCC1 ((uint)0x00000000) /* SCC1 @ SCCa */ -#define CICR_IRL_MASK ((uint)0x0000e000) /* Core interrrupt */ +#define CICR_IRL_MASK ((uint)0x0000e000) /* Core interrupt */ #define CICR_HP_MASK ((uint)0x00001f00) /* Hi-pri int. */ #define CICR_IEN ((uint)0x00000080) /* Int. enable */ #define CICR_SPS ((uint)0x00000001) /* SCC Spread */ diff --git a/include/asm-powerpc/cpm.h b/include/asm-powerpc/cpm.h index 48df9f330e76..fae83b137337 100644 --- a/include/asm-powerpc/cpm.h +++ b/include/asm-powerpc/cpm.h @@ -10,5 +10,6 @@ int cpm_muram_free(unsigned long offset); unsigned long cpm_muram_alloc_fixed(unsigned long offset, unsigned long size); void __iomem *cpm_muram_addr(unsigned long offset); dma_addr_t cpm_muram_dma(void __iomem *addr); +int cpm_command(u32 command, u8 opcode); #endif diff --git a/include/asm-powerpc/cputhreads.h b/include/asm-powerpc/cputhreads.h new file mode 100644 index 000000000000..8485c28b5f47 --- /dev/null +++ b/include/asm-powerpc/cputhreads.h @@ -0,0 +1,71 @@ +#ifndef _ASM_POWERPC_CPUTHREADS_H +#define _ASM_POWERPC_CPUTHREADS_H + +#include <linux/cpumask.h> + +/* + * Mapping of threads to cores + */ + +#ifdef CONFIG_SMP +extern int threads_per_core; +extern int threads_shift; +extern cpumask_t threads_core_mask; +#else +#define threads_per_core 1 +#define threads_shift 0 +#define threads_core_mask (CPU_MASK_CPU0) +#endif + +/* cpu_thread_mask_to_cores - Return a cpumask of one per cores + * hit by the argument + * + * @threads: a cpumask of threads + * + * This function returns a cpumask which will have one "cpu" (or thread) + * bit set for each core that has at least one thread set in the argument. + * + * This can typically be used for things like IPI for tlb invalidations + * since those need to be done only once per core/TLB + */ +static inline cpumask_t cpu_thread_mask_to_cores(cpumask_t threads) +{ + cpumask_t tmp, res; + int i; + + res = CPU_MASK_NONE; + for (i = 0; i < NR_CPUS; i += threads_per_core) { + cpus_shift_right(tmp, threads_core_mask, i); + if (cpus_intersects(threads, tmp)) + cpu_set(i, res); + } + return res; +} + +static inline int cpu_nr_cores(void) +{ + return NR_CPUS >> threads_shift; +} + +static inline cpumask_t cpu_online_cores_map(void) +{ + return cpu_thread_mask_to_cores(cpu_online_map); +} + +static inline int cpu_thread_to_core(int cpu) +{ + return cpu >> threads_shift; +} + +static inline int cpu_thread_in_core(int cpu) +{ + return cpu & (threads_per_core - 1); +} + +static inline int cpu_first_thread_in_core(int cpu) +{ + return cpu & ~(threads_per_core - 1); +} + +#endif /* _ASM_POWERPC_CPUTHREADS_H */ + diff --git a/include/asm-powerpc/dma-mapping.h b/include/asm-powerpc/dma-mapping.h index ff52013c0e2d..e974876e18d2 100644 --- a/include/asm-powerpc/dma-mapping.h +++ b/include/asm-powerpc/dma-mapping.h @@ -87,6 +87,9 @@ static inline int dma_supported(struct device *dev, u64 mask) return dma_ops->dma_supported(dev, mask); } +/* We have our own implementation of pci_set_dma_mask() */ +#define HAVE_ARCH_PCI_SET_DMA_MASK + static inline int dma_set_mask(struct device *dev, u64 dma_mask) { struct dma_mapping_ops *dma_ops = get_dma_ops(dev); diff --git a/include/asm-powerpc/firmware.h b/include/asm-powerpc/firmware.h index 3671c128f271..1e41bd1c8502 100644 --- a/include/asm-powerpc/firmware.h +++ b/include/asm-powerpc/firmware.h @@ -64,7 +64,7 @@ enum { FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1, FW_FEATURE_CELLEB_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_BEAT, - FW_FEATURE_CELLEB_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_BEAT, + FW_FEATURE_CELLEB_ALWAYS = 0, FW_FEATURE_NATIVE_POSSIBLE = 0, FW_FEATURE_NATIVE_ALWAYS = 0, FW_FEATURE_POSSIBLE = diff --git a/include/asm-powerpc/immap_86xx.h b/include/asm-powerpc/immap_86xx.h index 0ad4e653d464..0f165e59c326 100644 --- a/include/asm-powerpc/immap_86xx.h +++ b/include/asm-powerpc/immap_86xx.h @@ -89,14 +89,14 @@ struct ccsr_guts { * them. * * guts: Pointer to GUTS structure - * co: The DMA controller (1 or 2) + * co: The DMA controller (0 or 1) * ch: The channel on the DMA controller (0, 1, 2, or 3) * device: The device to set as the source (CCSR_GUTS_DMACR_DEV_xx) */ static inline void guts_set_dmacr(struct ccsr_guts __iomem *guts, unsigned int co, unsigned int ch, unsigned int device) { - unsigned int shift = 16 + (8 * (2 - co) + 2 * (3 - ch)); + unsigned int shift = 16 + (8 * (1 - co) + 2 * (3 - ch)); clrsetbits_be32(&guts->dmacr, 3 << shift, device << shift); } @@ -118,6 +118,27 @@ static inline void guts_set_dmacr(struct ccsr_guts __iomem *guts, #define CCSR_GUTS_PMUXCR_DMA1_0 0x00000002 #define CCSR_GUTS_PMUXCR_DMA1_3 0x00000001 +/* + * Set the DMA external control bits in the GUTS + * + * The DMA external control bits in the PMUXCR are only meaningful for + * channels 0 and 3. Any other channels are ignored. + * + * guts: Pointer to GUTS structure + * co: The DMA controller (0 or 1) + * ch: The channel on the DMA controller (0, 1, 2, or 3) + * value: the new value for the bit (0 or 1) + */ +static inline void guts_set_pmuxcr_dma(struct ccsr_guts __iomem *guts, + unsigned int co, unsigned int ch, unsigned int value) +{ + if ((ch == 0) || (ch == 3)) { + unsigned int shift = 2 * (co + 1) - (ch & 1) - 1; + + clrsetbits_be32(&guts->pmuxcr, 1 << shift, value << shift); + } +} + #define CCSR_GUTS_CLKDVDR_PXCKEN 0x80000000 #define CCSR_GUTS_CLKDVDR_SSICKEN 0x20000000 #define CCSR_GUTS_CLKDVDR_PXCKINV 0x10000000 diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h index e44cdfc8493a..7be26f615755 100644 --- a/include/asm-powerpc/io.h +++ b/include/asm-powerpc/io.h @@ -50,15 +50,16 @@ extern int check_legacy_ioport(unsigned long base_port); #define PCI_DRAM_OFFSET pci_dram_offset #else #define _IO_BASE pci_io_base -#define _ISA_MEM_BASE 0 +#define _ISA_MEM_BASE isa_mem_base #define PCI_DRAM_OFFSET 0 #endif extern unsigned long isa_io_base; -extern unsigned long isa_mem_base; extern unsigned long pci_io_base; extern unsigned long pci_dram_offset; +extern resource_size_t isa_mem_base; + #if defined(CONFIG_PPC32) && defined(CONFIG_PPC_INDIRECT_IO) #error CONFIG_PPC_INDIRECT_IO is not yet supported on 32 bits #endif diff --git a/include/asm-powerpc/iommu.h b/include/asm-powerpc/iommu.h index 4a82fdccee92..7a3cef785abd 100644 --- a/include/asm-powerpc/iommu.h +++ b/include/asm-powerpc/iommu.h @@ -69,10 +69,9 @@ struct iommu_table { }; struct scatterlist; -struct device_node; /* Frees table for an individual device node */ -extern void iommu_free_table(struct device_node *dn); +extern void iommu_free_table(struct iommu_table *tbl, const char *node_name); /* Initializes an iommu_table based in values set in the passed-in * structure diff --git a/include/asm-powerpc/ipic.h b/include/asm-powerpc/ipic.h index edec79dcb7c1..8ff08be00146 100644 --- a/include/asm-powerpc/ipic.h +++ b/include/asm-powerpc/ipic.h @@ -20,11 +20,13 @@ /* Flags when we init the IPIC */ #define IPIC_SPREADMODE_GRP_A 0x00000001 -#define IPIC_SPREADMODE_GRP_D 0x00000002 -#define IPIC_SPREADMODE_MIX_A 0x00000004 -#define IPIC_SPREADMODE_MIX_B 0x00000008 -#define IPIC_DISABLE_MCP_OUT 0x00000010 -#define IPIC_IRQ0_MCP 0x00000020 +#define IPIC_SPREADMODE_GRP_B 0x00000002 +#define IPIC_SPREADMODE_GRP_C 0x00000004 +#define IPIC_SPREADMODE_GRP_D 0x00000008 +#define IPIC_SPREADMODE_MIX_A 0x00000010 +#define IPIC_SPREADMODE_MIX_B 0x00000020 +#define IPIC_DISABLE_MCP_OUT 0x00000040 +#define IPIC_IRQ0_MCP 0x00000080 /* IPIC registers offsets */ #define IPIC_SICFR 0x00 /* System Global Interrupt Configuration Register */ diff --git a/include/asm-powerpc/iseries/hv_lp_event.h b/include/asm-powerpc/iseries/hv_lp_event.h index 6ce2ce1e2690..8f5da7d77202 100644 --- a/include/asm-powerpc/iseries/hv_lp_event.h +++ b/include/asm-powerpc/iseries/hv_lp_event.h @@ -78,7 +78,7 @@ extern int HvLpEvent_openPath(HvLpEvent_Type eventType, HvLpIndex lpIndex); /* * Close an Lp Event Path for a type and partition - * returns 0 on sucess + * returns 0 on success */ extern int HvLpEvent_closePath(HvLpEvent_Type eventType, HvLpIndex lpIndex); diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h index 6968f4300dca..0872ec228c1e 100644 --- a/include/asm-powerpc/machdep.h +++ b/include/asm-powerpc/machdep.h @@ -204,6 +204,13 @@ struct machdep_calls { /* * optional PCI "hooks" */ + /* Called in indirect_* to avoid touching devices */ + int (*pci_exclude_device)(struct pci_controller *, unsigned char, unsigned char); + + /* Called at then very end of pcibios_init() */ + void (*pcibios_after_init)(void); + +#endif /* CONFIG_PPC32 */ /* Called after PPC generic resource fixup to perform machine specific fixups */ @@ -212,18 +219,9 @@ struct machdep_calls { /* Called for each PCI bus in the system when it's probed */ void (*pcibios_fixup_bus)(struct pci_bus *); - /* Called when pci_enable_device() is called (initial=0) or - * when a device with no assigned resource is found (initial=1). - * Returns 0 to allow assignment/enabling of the device. */ - int (*pcibios_enable_device_hook)(struct pci_dev *, int initial); - - /* Called in indirect_* to avoid touching devices */ - int (*pci_exclude_device)(struct pci_controller *, unsigned char, unsigned char); - - /* Called at then very end of pcibios_init() */ - void (*pcibios_after_init)(void); - -#endif /* CONFIG_PPC32 */ + /* Called when pci_enable_device() is called. Returns 0 to + * allow assignment/enabling of the device. */ + int (*pcibios_enable_device_hook)(struct pci_dev *); /* Called to shutdown machine specific hardware not already controlled * by other drivers. @@ -253,6 +251,16 @@ struct machdep_calls { */ void (*machine_kexec)(struct kimage *image); #endif /* CONFIG_KEXEC */ + +#ifdef CONFIG_SUSPEND + /* These are called to disable and enable, respectively, IRQs when + * entering a suspend state. If NULL, then the generic versions + * will be called. The generic versions disable/enable the + * decrementer along with interrupts. + */ + void (*suspend_disable_irqs)(void); + void (*suspend_enable_irqs)(void); +#endif }; extern void power4_idle(void); @@ -326,5 +334,31 @@ static inline void log_error(char *buf, unsigned int err_type, int fatal) ppc_md.log_error(buf, err_type, fatal); } +#define __define_machine_initcall(mach,level,fn,id) \ + static int __init __machine_initcall_##mach##_##fn(void) { \ + if (machine_is(mach)) return fn(); \ + return 0; \ + } \ + __define_initcall(level,__machine_initcall_##mach##_##fn,id); + +#define machine_core_initcall(mach,fn) __define_machine_initcall(mach,"1",fn,1) +#define machine_core_initcall_sync(mach,fn) __define_machine_initcall(mach,"1s",fn,1s) +#define machine_postcore_initcall(mach,fn) __define_machine_initcall(mach,"2",fn,2) +#define machine_postcore_initcall_sync(mach,fn) __define_machine_initcall(mach,"2s",fn,2s) +#define machine_arch_initcall(mach,fn) __define_machine_initcall(mach,"3",fn,3) +#define machine_arch_initcall_sync(mach,fn) __define_machine_initcall(mach,"3s",fn,3s) +#define machine_subsys_initcall(mach,fn) __define_machine_initcall(mach,"4",fn,4) +#define machine_subsys_initcall_sync(mach,fn) __define_machine_initcall(mach,"4s",fn,4s) +#define machine_fs_initcall(mach,fn) __define_machine_initcall(mach,"5",fn,5) +#define machine_fs_initcall_sync(mach,fn) __define_machine_initcall(mach,"5s",fn,5s) +#define machine_rootfs_initcall(mach,fn) __define_machine_initcall(mach,"rootfs",fn,rootfs) +#define machine_device_initcall(mach,fn) __define_machine_initcall(mach,"6",fn,6) +#define machine_device_initcall_sync(mach,fn) __define_machine_initcall(mach,"6s",fn,6s) +#define machine_late_initcall(mach,fn) __define_machine_initcall(mach,"7",fn,7) +#define machine_late_initcall_sync(mach,fn) __define_machine_initcall(mach,"7s",fn,7s) + +void generic_suspend_disable_irqs(void); +void generic_suspend_enable_irqs(void); + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_MACHDEP_H */ diff --git a/include/asm-powerpc/mmu-hash64.h b/include/asm-powerpc/mmu-hash64.h index 82328dec2b52..12e5e773c67e 100644 --- a/include/asm-powerpc/mmu-hash64.h +++ b/include/asm-powerpc/mmu-hash64.h @@ -180,6 +180,7 @@ extern int mmu_vmalloc_psize; extern int mmu_io_psize; extern int mmu_kernel_ssize; extern int mmu_highuser_ssize; +extern u16 mmu_slb_size; /* * If the processor supports 64k normal pages but not 64k cache diff --git a/include/asm-powerpc/nvram.h b/include/asm-powerpc/nvram.h index 9877982508bf..4e7059cc6113 100644 --- a/include/asm-powerpc/nvram.h +++ b/include/asm-powerpc/nvram.h @@ -10,6 +10,8 @@ #ifndef _ASM_POWERPC_NVRAM_H #define _ASM_POWERPC_NVRAM_H +#include <linux/errno.h> + #define NVRW_CNT 0x20 #define NVRAM_HEADER_LEN 16 /* sizeof(struct nvram_header) */ #define NVRAM_BLOCK_LEN 16 @@ -71,7 +73,16 @@ extern int nvram_clear_error_log(void); extern struct nvram_partition *nvram_find_partition(int sig, const char *name); extern int pSeries_nvram_init(void); + +#ifdef CONFIG_MMIO_NVRAM extern int mmio_nvram_init(void); +#else +static inline int mmio_nvram_init(void) +{ + return -ENODEV; +} +#endif + #endif /* __KERNEL__ */ /* PowerMac specific nvram stuffs */ diff --git a/include/asm-powerpc/of_platform.h b/include/asm-powerpc/of_platform.h index 80e6fad28b4f..1bce5efe1de0 100644 --- a/include/asm-powerpc/of_platform.h +++ b/include/asm-powerpc/of_platform.h @@ -15,8 +15,14 @@ #include <linux/of_platform.h> /* Platform drivers register/unregister */ -extern int of_register_platform_driver(struct of_platform_driver *drv); -extern void of_unregister_platform_driver(struct of_platform_driver *drv); +static inline int of_register_platform_driver(struct of_platform_driver *drv) +{ + return of_register_driver(drv, &of_platform_bus_type); +} +static inline void of_unregister_platform_driver(struct of_platform_driver *drv) +{ + of_unregister_driver(drv); +} /* Platform devices and busses creation */ extern struct of_device *of_platform_device_create(struct device_node *np, @@ -26,7 +32,7 @@ extern struct of_device *of_platform_device_create(struct device_node *np, #define OF_NO_DEEP_PROBE ((struct of_device_id *)-1) extern int of_platform_bus_probe(struct device_node *root, - struct of_device_id *matches, + const struct of_device_id *matches, struct device *parent); extern struct of_device *of_find_device_by_phandle(phandle ph); diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h index d8bdc79db12e..9b16d3b17169 100644 --- a/include/asm-powerpc/pci-bridge.h +++ b/include/asm-powerpc/pci-bridge.h @@ -1,15 +1,42 @@ #ifndef _ASM_POWERPC_PCI_BRIDGE_H #define _ASM_POWERPC_PCI_BRIDGE_H #ifdef __KERNEL__ - +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ #include <linux/pci.h> #include <linux/list.h> #include <linux/ioport.h> -#ifndef CONFIG_PPC64 - struct device_node; -struct pci_controller; + +extern unsigned int ppc_pci_flags; +enum { + /* Force re-assigning all resources (ignore firmware + * setup completely) + */ + PPC_PCI_REASSIGN_ALL_RSRC = 0x00000001, + + /* Re-assign all bus numbers */ + PPC_PCI_REASSIGN_ALL_BUS = 0x00000002, + + /* Do not try to assign, just use existing setup */ + PPC_PCI_PROBE_ONLY = 0x00000004, + + /* Don't bother with ISA alignment unless the bridge has + * ISA forwarding enabled + */ + PPC_PCI_CAN_SKIP_ISA_ALIGN = 0x00000008, + + /* Enable domain numbers in /proc */ + PPC_PCI_ENABLE_PROC_DOMAINS = 0x00000010, + /* ... except for domain 0 */ + PPC_PCI_COMPAT_DOMAIN_0 = 0x00000020, +}; + /* * Structure of a PCI controller (host bridge) @@ -17,26 +44,41 @@ struct pci_controller; struct pci_controller { struct pci_bus *bus; char is_dynamic; - void *arch_data; +#ifdef CONFIG_PPC64 + int node; +#endif + struct device_node *dn; struct list_head list_node; struct device *parent; int first_busno; int last_busno; +#ifndef CONFIG_PPC64 int self_busno; +#endif void __iomem *io_base_virt; +#ifdef CONFIG_PPC64 + void *io_base_alloc; +#endif resource_size_t io_base_phys; +#ifndef CONFIG_PPC64 + resource_size_t pci_io_size; +#endif /* Some machines (PReP) have a non 1:1 mapping of * the PCI memory space in the CPU bus space */ resource_size_t pci_mem_offset; +#ifdef CONFIG_PPC64 + unsigned long pci_io_size; +#endif struct pci_ops *ops; - volatile unsigned int __iomem *cfg_addr; - volatile void __iomem *cfg_data; + unsigned int __iomem *cfg_addr; + void __iomem *cfg_data; +#ifndef CONFIG_PPC64 /* * Used for variants of PCI indirect handling and possible quirks: * SET_CFG_TYPE - used on 4xx or any PHB that does explicit type0/1 @@ -51,21 +93,30 @@ struct pci_controller { * set. * BIG_ENDIAN - cfg_addr is a big endian register */ -#define PPC_INDIRECT_TYPE_SET_CFG_TYPE (0x00000001) -#define PPC_INDIRECT_TYPE_EXT_REG (0x00000002) -#define PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS (0x00000004) -#define PPC_INDIRECT_TYPE_NO_PCIE_LINK (0x00000008) -#define PPC_INDIRECT_TYPE_BIG_ENDIAN (0x00000010) +#define PPC_INDIRECT_TYPE_SET_CFG_TYPE 0x00000001 +#define PPC_INDIRECT_TYPE_EXT_REG 0x00000002 +#define PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS 0x00000004 +#define PPC_INDIRECT_TYPE_NO_PCIE_LINK 0x00000008 +#define PPC_INDIRECT_TYPE_BIG_ENDIAN 0x00000010 u32 indirect_type; - +#endif /* !CONFIG_PPC64 */ /* Currently, we limit ourselves to 1 IO range and 3 mem * ranges since the common pci_bus structure can't handle more */ struct resource io_resource; struct resource mem_resources[3]; int global_number; /* PCI domain number */ +#ifdef CONFIG_PPC64 + unsigned long buid; + unsigned long dma_window_base_cur; + unsigned long dma_window_size; + + void *private_data; +#endif /* CONFIG_PPC64 */ }; +#ifndef CONFIG_PPC64 + static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus) { return bus->sysdata; @@ -81,18 +132,18 @@ static inline int isa_vaddr_is_ioport(void __iomem *address) /* These are used for config access before all the PCI probing has been done. */ -int early_read_config_byte(struct pci_controller *hose, int bus, int dev_fn, - int where, u8 *val); -int early_read_config_word(struct pci_controller *hose, int bus, int dev_fn, - int where, u16 *val); -int early_read_config_dword(struct pci_controller *hose, int bus, int dev_fn, - int where, u32 *val); -int early_write_config_byte(struct pci_controller *hose, int bus, int dev_fn, - int where, u8 val); -int early_write_config_word(struct pci_controller *hose, int bus, int dev_fn, - int where, u16 val); -int early_write_config_dword(struct pci_controller *hose, int bus, int dev_fn, - int where, u32 val); +extern int early_read_config_byte(struct pci_controller *hose, int bus, + int dev_fn, int where, u8 *val); +extern int early_read_config_word(struct pci_controller *hose, int bus, + int dev_fn, int where, u16 *val); +extern int early_read_config_dword(struct pci_controller *hose, int bus, + int dev_fn, int where, u32 *val); +extern int early_write_config_byte(struct pci_controller *hose, int bus, + int dev_fn, int where, u8 val); +extern int early_write_config_word(struct pci_controller *hose, int bus, + int dev_fn, int where, u16 val); +extern int early_write_config_dword(struct pci_controller *hose, int bus, + int dev_fn, int where, u32 val); extern int early_find_capability(struct pci_controller *hose, int bus, int dev_fn, int cap); @@ -104,62 +155,12 @@ extern void setup_grackle(struct pci_controller *hose); extern void __init update_bridge_resource(struct pci_dev *dev, struct resource *res); -#else - - -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -/* - * Structure of a PCI controller (host bridge) - */ -struct pci_controller { - struct pci_bus *bus; - char is_dynamic; - int node; - void *arch_data; - struct list_head list_node; - struct device *parent; - - int first_busno; - int last_busno; - - void __iomem *io_base_virt; - void *io_base_alloc; - resource_size_t io_base_phys; - - /* Some machines have a non 1:1 mapping of - * the PCI memory space in the CPU bus space - */ - resource_size_t pci_mem_offset; - unsigned long pci_io_size; - - struct pci_ops *ops; - volatile unsigned int __iomem *cfg_addr; - volatile void __iomem *cfg_data; - - /* Currently, we limit ourselves to 1 IO range and 3 mem - * ranges since the common pci_bus structure can't handle more - */ - struct resource io_resource; - struct resource mem_resources[3]; - int global_number; - unsigned long buid; - unsigned long dma_window_base_cur; - unsigned long dma_window_size; - - void *private_data; -}; +#else /* CONFIG_PPC64 */ /* * PCI stuff, for nodes representing PCI devices, pointed to * by device_node->data. */ -struct pci_controller; struct iommu_table; struct pci_dn { @@ -179,9 +180,9 @@ struct pci_dn { int eeh_mode; /* See eeh.h for possible EEH_MODEs */ int eeh_config_addr; int eeh_pe_config_addr; /* new-style partition endpoint address */ - int eeh_check_count; /* # times driver ignored error */ - int eeh_freeze_count; /* # times this device froze up. */ - int eeh_false_positives; /* # times this device reported #ff's */ + int eeh_check_count; /* # times driver ignored error */ + int eeh_freeze_count; /* # times this device froze up. */ + int eeh_false_positives; /* # times this device reported #ff's */ u32 config_space[16]; /* saved PCI config space */ #endif }; @@ -189,7 +190,7 @@ struct pci_dn { /* Get the pointer to a device_node's pci_dn */ #define PCI_DN(dn) ((struct pci_dn *) (dn)->data) -struct device_node *fetch_dev_dn(struct pci_dev *dev); +extern struct device_node *fetch_dev_dn(struct pci_dev *dev); /* Get a device_node from a pci_dev. This code must be fast except * in the case where the sysdata is incorrect and needs to be fixed @@ -227,14 +228,14 @@ static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus) } /** Find the bus corresponding to the indicated device node */ -struct pci_bus * pcibios_find_pci_bus(struct device_node *dn); +extern struct pci_bus *pcibios_find_pci_bus(struct device_node *dn); /** Remove all of the PCI devices under this bus */ -void pcibios_remove_pci_devices(struct pci_bus *bus); +extern void pcibios_remove_pci_devices(struct pci_bus *bus); /** Discover new pci devices under this bus, and add them */ -void pcibios_add_pci_devices(struct pci_bus * bus); -void pcibios_fixup_new_pci_devices(struct pci_bus *bus, int fix_bus); +extern void pcibios_add_pci_devices(struct pci_bus *bus); +extern void pcibios_fixup_new_pci_devices(struct pci_bus *bus); extern int pcibios_remove_root_bus(struct pci_controller *phb); @@ -270,20 +271,18 @@ extern int pcibios_map_io_space(struct pci_bus *bus); #define PHB_SET_NODE(PHB, NODE) ((PHB)->node = -1) #endif -#endif /* CONFIG_PPC64 */ +#endif /* CONFIG_PPC64 */ /* Get the PCI host controller for an OF device */ -extern struct pci_controller* -pci_find_hose_for_OF_device(struct device_node* node); +extern struct pci_controller *pci_find_hose_for_OF_device( + struct device_node* node); /* Fill up host controller resources from the OF node */ -extern void -pci_process_bridge_OF_ranges(struct pci_controller *hose, - struct device_node *dev, int primary); +extern void pci_process_bridge_OF_ranges(struct pci_controller *hose, + struct device_node *dev, int primary); /* Allocate & free a PCI host bridge structure */ -extern struct pci_controller * -pcibios_alloc_controller(struct device_node *dev); +extern struct pci_controller *pcibios_alloc_controller(struct device_node *dev); extern void pcibios_free_controller(struct pci_controller *phb); #ifdef CONFIG_PCI @@ -298,9 +297,7 @@ static inline int pcibios_vaddr_is_ioport(void __iomem *address) { return 0; } -#endif - +#endif /* CONFIG_PCI */ - -#endif /* __KERNEL__ */ -#endif +#endif /* __KERNEL__ */ +#endif /* _ASM_POWERPC_PCI_BRIDGE_H */ diff --git a/include/asm-powerpc/pci.h b/include/asm-powerpc/pci.h index 7b11765c6865..a05a942b1c25 100644 --- a/include/asm-powerpc/pci.h +++ b/include/asm-powerpc/pci.h @@ -36,11 +36,10 @@ struct pci_dev; /* * Set this to 1 if you want the kernel to re-assign all PCI - * bus numbers + * bus numbers (don't do that on ppc64 yet !) */ -extern int pci_assign_all_buses; -#define pcibios_assign_all_busses() (pci_assign_all_buses) - +#define pcibios_assign_all_busses() (ppc_pci_flags & \ + PPC_PCI_REASSIGN_ALL_BUS) #define pcibios_scan_all_fns(a, b) 0 static inline void pcibios_set_master(struct pci_dev *dev) @@ -95,9 +94,6 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, #define get_pci_dma_ops() NULL #endif -/* Decide whether to display the domain number in /proc */ -extern int pci_proc_domain(struct pci_bus *bus); - #else /* 32-bit */ #ifdef CONFIG_PCI @@ -109,17 +105,14 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, *strategy_parameter = ~0UL; } #endif - -/* Set the name of the bus as it appears in /proc/bus/pci */ -static inline int pci_proc_domain(struct pci_bus *bus) -{ - return 0; -} - #endif /* CONFIG_PPC64 */ extern int pci_domain_nr(struct pci_bus *bus); +/* Decide whether to display the domain number in /proc */ +extern int pci_proc_domain(struct pci_bus *bus); + + struct vm_area_struct; /* Map a range of PCI memory or I/O space for a device into user space */ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, @@ -199,13 +192,12 @@ static inline struct resource *pcibios_select_root(struct pci_dev *pdev, return root; } -extern void pcibios_fixup_device_resources(struct pci_dev *dev, - struct pci_bus *bus); - extern void pcibios_setup_new_device(struct pci_dev *dev); extern void pcibios_claim_one_bus(struct pci_bus *b); +extern void pcibios_resource_survey(void); + extern struct pci_controller *init_phb_dynamic(struct device_node *dn); extern struct pci_dev *of_create_pci_dev(struct device_node *node, @@ -229,5 +221,8 @@ extern void pci_resource_to_user(const struct pci_dev *dev, int bar, const struct resource *rsrc, resource_size_t *start, resource_size_t *end); +extern void pcibios_do_bus_setup(struct pci_bus *bus); +extern void pcibios_fixup_of_probed_bus(struct pci_bus *bus); + #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_PCI_H */ diff --git a/include/asm-powerpc/ppc-pci.h b/include/asm-powerpc/ppc-pci.h index b847aa10074b..854ab713f56c 100644 --- a/include/asm-powerpc/ppc-pci.h +++ b/include/asm-powerpc/ppc-pci.h @@ -22,7 +22,6 @@ extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary); extern struct list_head hose_list; -extern int global_phb_number; extern void find_and_init_phbs(void); @@ -47,9 +46,6 @@ extern void init_pci_config_tokens (void); extern unsigned long get_phb_buid (struct device_node *); extern int rtas_setup_phb(struct pci_controller *phb); -/* From iSeries PCI */ -extern void iSeries_pcibios_init(void); - extern unsigned long pci_probe_only; /* ---- EEH internal-use-only related routines ---- */ diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h index 925e2d384bb3..78b7b0d494c0 100644 --- a/include/asm-powerpc/prom.h +++ b/include/asm-powerpc/prom.h @@ -202,6 +202,10 @@ static inline unsigned long of_read_ulong(const u32 *cell, int size) */ extern u64 of_translate_address(struct device_node *np, const u32 *addr); +/* Translate a DMA address from device space to CPU space */ +extern u64 of_translate_dma_address(struct device_node *dev, + const u32 *in_addr); + /* Extract an address from a device, returns the region size and * the address space flags too. The PCI version uses a BAR number * instead of an absolute index diff --git a/include/asm-powerpc/qe.h b/include/asm-powerpc/qe.h index 0dabe46a29d2..a24b7b14958f 100644 --- a/include/asm-powerpc/qe.h +++ b/include/asm-powerpc/qe.h @@ -28,6 +28,52 @@ #define MEM_PART_SECONDARY 1 #define MEM_PART_MURAM 2 +/* Clocks and BRGs */ +enum qe_clock { + QE_CLK_NONE = 0, + QE_BRG1, /* Baud Rate Generator 1 */ + QE_BRG2, /* Baud Rate Generator 2 */ + QE_BRG3, /* Baud Rate Generator 3 */ + QE_BRG4, /* Baud Rate Generator 4 */ + QE_BRG5, /* Baud Rate Generator 5 */ + QE_BRG6, /* Baud Rate Generator 6 */ + QE_BRG7, /* Baud Rate Generator 7 */ + QE_BRG8, /* Baud Rate Generator 8 */ + QE_BRG9, /* Baud Rate Generator 9 */ + QE_BRG10, /* Baud Rate Generator 10 */ + QE_BRG11, /* Baud Rate Generator 11 */ + QE_BRG12, /* Baud Rate Generator 12 */ + QE_BRG13, /* Baud Rate Generator 13 */ + QE_BRG14, /* Baud Rate Generator 14 */ + QE_BRG15, /* Baud Rate Generator 15 */ + QE_BRG16, /* Baud Rate Generator 16 */ + QE_CLK1, /* Clock 1 */ + QE_CLK2, /* Clock 2 */ + QE_CLK3, /* Clock 3 */ + QE_CLK4, /* Clock 4 */ + QE_CLK5, /* Clock 5 */ + QE_CLK6, /* Clock 6 */ + QE_CLK7, /* Clock 7 */ + QE_CLK8, /* Clock 8 */ + QE_CLK9, /* Clock 9 */ + QE_CLK10, /* Clock 10 */ + QE_CLK11, /* Clock 11 */ + QE_CLK12, /* Clock 12 */ + QE_CLK13, /* Clock 13 */ + QE_CLK14, /* Clock 14 */ + QE_CLK15, /* Clock 15 */ + QE_CLK16, /* Clock 16 */ + QE_CLK17, /* Clock 17 */ + QE_CLK18, /* Clock 18 */ + QE_CLK19, /* Clock 19 */ + QE_CLK20, /* Clock 20 */ + QE_CLK21, /* Clock 21 */ + QE_CLK22, /* Clock 22 */ + QE_CLK23, /* Clock 23 */ + QE_CLK24, /* Clock 24 */ + QE_CLK_DUMMY +}; + /* Export QE common operations */ extern void qe_reset(void); extern int par_io_init(struct device_node *np); @@ -38,7 +84,8 @@ extern int par_io_data_set(u8 port, u8 pin, u8 val); /* QE internal API */ int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, u32 cmd_input); -void qe_setbrg(unsigned int brg, unsigned int rate, unsigned int multiplier); +enum qe_clock qe_clock_source(const char *source); +int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier); int qe_get_snum(void); void qe_put_snum(u8 snum); unsigned long qe_muram_alloc(int size, int align); @@ -129,52 +176,6 @@ enum comm_dir { COMM_DIR_RX_AND_TX = 3 }; -/* Clocks and BRGs */ -enum qe_clock { - QE_CLK_NONE = 0, - QE_BRG1, /* Baud Rate Generator 1 */ - QE_BRG2, /* Baud Rate Generator 2 */ - QE_BRG3, /* Baud Rate Generator 3 */ - QE_BRG4, /* Baud Rate Generator 4 */ - QE_BRG5, /* Baud Rate Generator 5 */ - QE_BRG6, /* Baud Rate Generator 6 */ - QE_BRG7, /* Baud Rate Generator 7 */ - QE_BRG8, /* Baud Rate Generator 8 */ - QE_BRG9, /* Baud Rate Generator 9 */ - QE_BRG10, /* Baud Rate Generator 10 */ - QE_BRG11, /* Baud Rate Generator 11 */ - QE_BRG12, /* Baud Rate Generator 12 */ - QE_BRG13, /* Baud Rate Generator 13 */ - QE_BRG14, /* Baud Rate Generator 14 */ - QE_BRG15, /* Baud Rate Generator 15 */ - QE_BRG16, /* Baud Rate Generator 16 */ - QE_CLK1, /* Clock 1 */ - QE_CLK2, /* Clock 2 */ - QE_CLK3, /* Clock 3 */ - QE_CLK4, /* Clock 4 */ - QE_CLK5, /* Clock 5 */ - QE_CLK6, /* Clock 6 */ - QE_CLK7, /* Clock 7 */ - QE_CLK8, /* Clock 8 */ - QE_CLK9, /* Clock 9 */ - QE_CLK10, /* Clock 10 */ - QE_CLK11, /* Clock 11 */ - QE_CLK12, /* Clock 12 */ - QE_CLK13, /* Clock 13 */ - QE_CLK14, /* Clock 14 */ - QE_CLK15, /* Clock 15 */ - QE_CLK16, /* Clock 16 */ - QE_CLK17, /* Clock 17 */ - QE_CLK18, /* Clock 18 */ - QE_CLK19, /* Clock 19 */ - QE_CLK20, /* Clock 20 */ - QE_CLK21, /* Clock 21 */ - QE_CLK22, /* Clock 22 */ - QE_CLK23, /* Clock 23 */ - QE_CLK24, /* Clock 24 */ - QE_CLK_DUMMY, -}; - /* QE CMXUCR Registers. * There are two UCCs represented in each of the four CMXUCR registers. * These values are for the UCC in the LSBs diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h index e775ff1ca413..1f685047c6ff 100644 --- a/include/asm-powerpc/reg.h +++ b/include/asm-powerpc/reg.h @@ -691,12 +691,6 @@ #define PV_BE 0x0070 #define PV_PA6T 0x0090 -/* - * Number of entries in the SLB. If this ever changes we should handle - * it with a use a cpu feature fixup. - */ -#define SLB_NUM_ENTRIES 64 - /* Macros for setting and retrieving special purpose registers */ #ifndef __ASSEMBLY__ #define mfmsr() ({unsigned long rval; \ diff --git a/include/asm-powerpc/reg_booke.h b/include/asm-powerpc/reg_booke.h index 8fdc2b47afb9..d3e8dd0fc738 100644 --- a/include/asm-powerpc/reg_booke.h +++ b/include/asm-powerpc/reg_booke.h @@ -123,16 +123,23 @@ #define SPRN_SPEFSCR 0x200 /* SPE & Embedded FP Status & Control */ #define SPRN_BBEAR 0x201 /* Branch Buffer Entry Address Register */ #define SPRN_BBTAR 0x202 /* Branch Buffer Target Address Register */ +#define SPRN_ATB 0x20E /* Alternate Time Base */ +#define SPRN_ATBL 0x20E /* Alternate Time Base Lower */ +#define SPRN_ATBU 0x20F /* Alternate Time Base Upper */ #define SPRN_IVOR32 0x210 /* Interrupt Vector Offset Register 32 */ #define SPRN_IVOR33 0x211 /* Interrupt Vector Offset Register 33 */ #define SPRN_IVOR34 0x212 /* Interrupt Vector Offset Register 34 */ #define SPRN_IVOR35 0x213 /* Interrupt Vector Offset Register 35 */ +#define SPRN_IVOR36 0x214 /* Interrupt Vector Offset Register 36 */ +#define SPRN_IVOR37 0x215 /* Interrupt Vector Offset Register 37 */ #define SPRN_MCSRR0 0x23A /* Machine Check Save and Restore Register 0 */ #define SPRN_MCSRR1 0x23B /* Machine Check Save and Restore Register 1 */ #define SPRN_MCSR 0x23C /* Machine Check Status Register */ #define SPRN_MCAR 0x23D /* Machine Check Address Register */ #define SPRN_DSRR0 0x23E /* Debug Save and Restore Register 0 */ #define SPRN_DSRR1 0x23F /* Debug Save and Restore Register 1 */ +#define SPRN_SPRG8 0x25C /* Special Purpose Register General 8 */ +#define SPRN_SPRG9 0x25D /* Special Purpose Register General 9 */ #define SPRN_MAS0 0x270 /* MMU Assist Register 0 */ #define SPRN_MAS1 0x271 /* MMU Assist Register 1 */ #define SPRN_MAS2 0x272 /* MMU Assist Register 2 */ @@ -140,15 +147,18 @@ #define SPRN_MAS4 0x274 /* MMU Assist Register 4 */ #define SPRN_MAS5 0x275 /* MMU Assist Register 5 */ #define SPRN_MAS6 0x276 /* MMU Assist Register 6 */ -#define SPRN_MAS7 0x3b0 /* MMU Assist Register 7 */ #define SPRN_PID1 0x279 /* Process ID Register 1 */ #define SPRN_PID2 0x27A /* Process ID Register 2 */ #define SPRN_TLB0CFG 0x2B0 /* TLB 0 Config Register */ #define SPRN_TLB1CFG 0x2B1 /* TLB 1 Config Register */ +#define SPRN_EPR 0x2BE /* External Proxy Register */ #define SPRN_CCR1 0x378 /* Core Configuration Register 1 */ #define SPRN_ZPR 0x3B0 /* Zone Protection Register (40x) */ +#define SPRN_MAS7 0x3B0 /* MMU Assist Register 7 */ #define SPRN_MMUCR 0x3B2 /* MMU Control Register */ #define SPRN_CCR0 0x3B3 /* Core Configuration Register 0 */ +#define SPRN_EPLC 0x3B3 /* External Process ID Load Context */ +#define SPRN_EPSC 0x3B4 /* External Process ID Store Context */ #define SPRN_SGR 0x3B9 /* Storage Guarded Register */ #define SPRN_DCWR 0x3BA /* Data Cache Write-thru Register */ #define SPRN_SLER 0x3BB /* Little-endian real mode */ @@ -159,6 +169,7 @@ #define SPRN_L1CSR0 0x3F2 /* L1 Cache Control and Status Register 0 */ #define SPRN_L1CSR1 0x3F3 /* L1 Cache Control and Status Register 1 */ #define SPRN_PIT 0x3DB /* Programmable Interval Timer */ +#define SPRN_BUCSR 0x3F5 /* Branch Unit Control and Status */ #define SPRN_DCCR 0x3FA /* Data Cache Cacheability Register */ #define SPRN_ICCR 0x3FB /* Instruction Cache Cacheability Register */ #define SPRN_SVR 0x3FF /* System Version Register */ @@ -293,7 +304,7 @@ #define ESR_IMCB 0x20000000 /* Instr. Machine Check - Bus error */ #define ESR_IMCT 0x10000000 /* Instr. Machine Check - Timeout */ #define ESR_PIL 0x08000000 /* Program Exception - Illegal */ -#define ESR_PPR 0x04000000 /* Program Exception - Priveleged */ +#define ESR_PPR 0x04000000 /* Program Exception - Privileged */ #define ESR_PTR 0x02000000 /* Program Exception - Trap */ #define ESR_FP 0x01000000 /* Floating Point Operation */ #define ESR_DST 0x00800000 /* Storage Exception - Data miss */ diff --git a/include/asm-powerpc/smu.h b/include/asm-powerpc/smu.h index e49f644ca63a..7ae2753da565 100644 --- a/include/asm-powerpc/smu.h +++ b/include/asm-powerpc/smu.h @@ -22,7 +22,7 @@ * Partition info commands * * These commands are used to retrieve the sdb-partition-XX datas from - * the SMU. The lenght is always 2. First byte is the subcommand code + * the SMU. The length is always 2. First byte is the subcommand code * and second byte is the partition ID. * * The reply is 6 bytes: @@ -173,12 +173,12 @@ * Power supply control * * The "sub" command is an ASCII string in the data, the - * data lenght is that of the string. + * data length is that of the string. * * The VSLEW command can be used to get or set the voltage slewing. - * - lenght 5 (only "VSLEW") : it returns "DONE" and 3 bytes of + * - length 5 (only "VSLEW") : it returns "DONE" and 3 bytes of * reply at data offset 6, 7 and 8. - * - lenght 8 ("VSLEWxyz") has 3 additional bytes appended, and is + * - length 8 ("VSLEWxyz") has 3 additional bytes appended, and is * used to set the voltage slewing point. The SMU replies with "DONE" * I yet have to figure out their exact meaning of those 3 bytes in * both cases. They seem to be: @@ -201,20 +201,90 @@ */ #define SMU_CMD_READ_ADC 0xd8 + /* Misc commands * * This command seem to be a grab bag of various things + * + * Parameters: + * 1: subcommand */ #define SMU_CMD_MISC_df_COMMAND 0xdf -#define SMU_CMD_MISC_df_SET_DISPLAY_LIT 0x02 /* i: 1 byte */ + +/* + * Sets "system ready" status + * + * I did not yet understand how it exactly works or what it does. + * + * Guessing from OF code, 0x02 activates the display backlight. Apple uses/used + * the same codebase for all OF versions. On PowerBooks, this command would + * enable the backlight. For the G5s, it only activates the front LED. However, + * don't take this for granted. + * + * Parameters: + * 2: status [0x00, 0x01 or 0x02] + */ +#define SMU_CMD_MISC_df_SET_DISPLAY_LIT 0x02 + +/* + * Sets mode of power switch. + * + * What this actually does is not yet known. Maybe it enables some interrupt. + * + * Parameters: + * 2: enable power switch? [0x00 or 0x01] + * 3 (optional): enable nmi? [0x00 or 0x01] + * + * Returns: + * If parameter 2 is 0x00 and parameter 3 is not specified, returns wether + * NMI is enabled. Otherwise unknown. + */ #define SMU_CMD_MISC_df_NMI_OPTION 0x04 +/* Sets LED dimm offset. + * + * The front LED dimms itself during sleep. Its brightness (or, well, the PWM + * frequency) depends on current time. Therefore, the SMU needs to know the + * timezone. + * + * Parameters: + * 2-8: unknown (BCD coding) + */ +#define SMU_CMD_MISC_df_DIMM_OFFSET 0x99 + + /* * Version info commands * - * I haven't quite tried to figure out how these work + * Parameters: + * 1 (optional): Specifies version part to retrieve + * + * Returns: + * Version value */ #define SMU_CMD_VERSION_COMMAND 0xea +#define SMU_VERSION_RUNNING 0x00 +#define SMU_VERSION_BASE 0x01 +#define SMU_VERSION_UPDATE 0x02 + + +/* + * Switches + * + * These are switches whose status seems to be known to the SMU. + * + * Parameters: + * none + * + * Result: + * Switch bits (ORed, see below) + */ +#define SMU_CMD_SWITCHES 0xdc + +/* Switches bits */ +#define SMU_SWITCH_CASE_CLOSED 0x01 +#define SMU_SWITCH_AC_POWER 0x04 +#define SMU_SWITCH_POWER_SWITCH 0x08 /* @@ -243,10 +313,64 @@ */ #define SMU_CMD_MISC_ee_COMMAND 0xee #define SMU_CMD_MISC_ee_GET_DATABLOCK_REC 0x02 -#define SMU_CMD_MISC_ee_LEDS_CTRL 0x04 /* i: 00 (00,01) [00] */ + +/* Retrieves currently used watts. + * + * Parameters: + * 1: 0x03 (Meaning unknown) + */ +#define SMU_CMD_MISC_ee_GET_WATTS 0x03 + +#define SMU_CMD_MISC_ee_LEDS_CTRL 0x04 /* i: 00 (00,01) [00] */ #define SMU_CMD_MISC_ee_GET_DATA 0x05 /* i: 00 , o: ?? */ +/* + * Power related commands + * + * Parameters: + * 1: subcommand + */ +#define SMU_CMD_POWER_EVENTS_COMMAND 0x8f + +/* SMU_POWER_EVENTS subcommands */ +enum { + SMU_PWR_GET_POWERUP_EVENTS = 0x00, + SMU_PWR_SET_POWERUP_EVENTS = 0x01, + SMU_PWR_CLR_POWERUP_EVENTS = 0x02, + SMU_PWR_GET_WAKEUP_EVENTS = 0x03, + SMU_PWR_SET_WAKEUP_EVENTS = 0x04, + SMU_PWR_CLR_WAKEUP_EVENTS = 0x05, + + /* + * Get last shutdown cause + * + * Returns: + * 1 byte (signed char): Last shutdown cause. Exact meaning unknown. + */ + SMU_PWR_LAST_SHUTDOWN_CAUSE = 0x07, + + /* + * Sets or gets server ID. Meaning or use is unknown. + * + * Parameters: + * 2 (optional): Set server ID (1 byte) + * + * Returns: + * 1 byte (server ID?) + */ + SMU_PWR_SERVER_ID = 0x08, +}; + +/* Power events wakeup bits */ +enum { + SMU_PWR_WAKEUP_KEY = 0x01, /* Wake on key press */ + SMU_PWR_WAKEUP_AC_INSERT = 0x02, /* Wake on AC adapter plug */ + SMU_PWR_WAKEUP_AC_CHANGE = 0x04, + SMU_PWR_WAKEUP_LID_OPEN = 0x08, + SMU_PWR_WAKEUP_RING = 0x10, +}; + /* * - Kernel side interface - @@ -564,13 +688,13 @@ struct smu_user_cmd_hdr __u8 cmd; /* SMU command byte */ __u8 pad[3]; /* padding */ - __u32 data_len; /* Lenght of data following */ + __u32 data_len; /* Length of data following */ }; struct smu_user_reply_hdr { __u32 status; /* Command status */ - __u32 reply_len; /* Lenght of data follwing */ + __u32 reply_len; /* Length of data follwing */ }; #endif /* _SMU_H */ diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h index b1accce77bb5..5ca30e2e2639 100644 --- a/include/asm-powerpc/spu.h +++ b/include/asm-powerpc/spu.h @@ -104,6 +104,7 @@ struct spu_context; struct spu_runqueue; +struct spu_lscsa; struct device_node; enum spu_utilization_state { @@ -145,7 +146,6 @@ struct spu { void (* ibox_callback)(struct spu *spu); void (* stop_callback)(struct spu *spu); void (* mfc_callback)(struct spu *spu); - void (* dma_callback)(struct spu *spu, int type); char irq_c0[8]; char irq_c1[8]; @@ -196,10 +196,11 @@ struct cbe_spu_info { extern struct cbe_spu_info cbe_spu_info[]; void spu_init_channels(struct spu *spu); -int spu_irq_class_0_bottom(struct spu *spu); -int spu_irq_class_1_bottom(struct spu *spu); void spu_irq_setaffinity(struct spu *spu, int cpu); +void spu_setup_kernel_slbs(struct spu *spu, struct spu_lscsa *lscsa, + void *code, int code_size); + #ifdef CONFIG_KEXEC void crash_register_spus(struct list_head *list); #else @@ -210,6 +211,7 @@ static inline void crash_register_spus(struct list_head *list) extern void spu_invalidate_slbs(struct spu *spu); extern void spu_associate_mm(struct spu *spu, struct mm_struct *mm); +int spu_64k_pages_available(void); /* Calls from the memory management to the SPU */ struct mm_struct; @@ -278,6 +280,8 @@ void spu_remove_sysdev_attr(struct sysdev_attribute *attr); int spu_add_sysdev_attr_group(struct attribute_group *attrs); void spu_remove_sysdev_attr_group(struct attribute_group *attrs); +int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea, + unsigned long dsisr, unsigned *flt); /* * Notifier blocks: @@ -299,7 +303,7 @@ int spu_switch_event_register(struct notifier_block * n); int spu_switch_event_unregister(struct notifier_block * n); /* - * This defines the Local Store, Problem Area and Privlege Area of an SPU. + * This defines the Local Store, Problem Area and Privilege Area of an SPU. */ union mfc_tag_size_class_cmd { @@ -520,8 +524,24 @@ struct spu_priv1 { #define CLASS2_ENABLE_SPU_STOP_INTR 0x2L #define CLASS2_ENABLE_SPU_HALT_INTR 0x4L #define CLASS2_ENABLE_SPU_DMA_TAG_GROUP_COMPLETE_INTR 0x8L +#define CLASS2_ENABLE_MAILBOX_THRESHOLD_INTR 0x10L u8 pad_0x118_0x140[0x28]; /* 0x118 */ u64 int_stat_RW[3]; /* 0x140 */ +#define CLASS0_DMA_ALIGNMENT_INTR 0x1L +#define CLASS0_INVALID_DMA_COMMAND_INTR 0x2L +#define CLASS0_SPU_ERROR_INTR 0x4L +#define CLASS0_INTR_MASK 0x7L +#define CLASS1_SEGMENT_FAULT_INTR 0x1L +#define CLASS1_STORAGE_FAULT_INTR 0x2L +#define CLASS1_LS_COMPARE_SUSPEND_ON_GET_INTR 0x4L +#define CLASS1_LS_COMPARE_SUSPEND_ON_PUT_INTR 0x8L +#define CLASS1_INTR_MASK 0xfL +#define CLASS2_MAILBOX_INTR 0x1L +#define CLASS2_SPU_STOP_INTR 0x2L +#define CLASS2_SPU_HALT_INTR 0x4L +#define CLASS2_SPU_DMA_TAG_GROUP_COMPLETE_INTR 0x8L +#define CLASS2_MAILBOX_THRESHOLD_INTR 0x10L +#define CLASS2_INTR_MASK 0x1fL u8 pad_0x158_0x180[0x28]; /* 0x158 */ u64 int_route_RW; /* 0x180 */ diff --git a/include/asm-powerpc/spu_csa.h b/include/asm-powerpc/spu_csa.h index e87794d5d4ea..0ab6bff86078 100644 --- a/include/asm-powerpc/spu_csa.h +++ b/include/asm-powerpc/spu_csa.h @@ -194,7 +194,7 @@ struct spu_priv1_collapsed { }; /* - * struct spu_priv2_collapsed - condensed priviliged 2 area, w/o pads. + * struct spu_priv2_collapsed - condensed privileged 2 area, w/o pads. */ struct spu_priv2_collapsed { u64 slb_index_W; @@ -254,20 +254,11 @@ struct spu_state { u64 spu_chnldata_RW[32]; u32 spu_mailbox_data[4]; u32 pu_mailbox_data[1]; - u64 dar, dsisr; + u64 dar, dsisr, class_0_pending; unsigned long suspend_time; spinlock_t register_lock; }; -extern int spu_init_csa(struct spu_state *csa); -extern void spu_fini_csa(struct spu_state *csa); -extern int spu_save(struct spu_state *prev, struct spu *spu); -extern int spu_restore(struct spu_state *new, struct spu *spu); -extern int spu_switch(struct spu_state *prev, struct spu_state *new, - struct spu *spu); -extern int spu_alloc_lscsa(struct spu_state *csa); -extern void spu_free_lscsa(struct spu_state *csa); - #endif /* !__SPU__ */ #endif /* __KERNEL__ */ #endif /* !__ASSEMBLY__ */ diff --git a/include/asm-powerpc/spu_priv1.h b/include/asm-powerpc/spu_priv1.h index 0f37c7c90820..25020a34ce7f 100644 --- a/include/asm-powerpc/spu_priv1.h +++ b/include/asm-powerpc/spu_priv1.h @@ -24,6 +24,7 @@ #include <linux/types.h> struct spu; +struct spu_context; /* access to priv1 registers */ @@ -178,6 +179,8 @@ struct spu_management_ops { int (*enumerate_spus)(int (*fn)(void *data)); int (*create_spu)(struct spu *spu, void *data); int (*destroy_spu)(struct spu *spu); + void (*enable_spu)(struct spu_context *ctx); + void (*disable_spu)(struct spu_context *ctx); int (*init_affinity)(void); }; @@ -207,6 +210,18 @@ spu_init_affinity (void) return spu_management_ops->init_affinity(); } +static inline void +spu_enable_spu (struct spu_context *ctx) +{ + spu_management_ops->enable_spu(ctx); +} + +static inline void +spu_disable_spu (struct spu_context *ctx) +{ + spu_management_ops->disable_spu(ctx); +} + /* * The declarations folowing are put here for convenience * and only intended to be used by the platform setup code. diff --git a/include/asm-ppc/8xx_immap.h b/include/asm-ppc/8xx_immap.h index 1311cefdfd30..4b0e15206006 100644 --- a/include/asm-ppc/8xx_immap.h +++ b/include/asm-ppc/8xx_immap.h @@ -123,7 +123,7 @@ typedef struct mem_ctlr { #define OR_G5LA 0x00000400 /* Output #GPL5 on #GPL_A5 */ #define OR_G5LS 0x00000200 /* Drive #GPL high on falling edge of...*/ #define OR_BI 0x00000100 /* Burst inhibit */ -#define OR_SCY_MSK 0x000000f0 /* Cycle Lenght in Clocks */ +#define OR_SCY_MSK 0x000000f0 /* Cycle Length in Clocks */ #define OR_SCY_0_CLK 0x00000000 /* 0 clock cycles wait states */ #define OR_SCY_1_CLK 0x00000010 /* 1 clock cycles wait states */ #define OR_SCY_2_CLK 0x00000020 /* 2 clock cycles wait states */ diff --git a/include/asm-ppc/commproc.h b/include/asm-ppc/commproc.h index 397248705e0e..462abb185f07 100644 --- a/include/asm-ppc/commproc.h +++ b/include/asm-ppc/commproc.h @@ -681,7 +681,7 @@ typedef struct risc_timer_pram { #define CICR_SCC_SCC3 ((uint)0x00200000) /* SCC3 @ SCCc */ #define CICR_SCB_SCC2 ((uint)0x00040000) /* SCC2 @ SCCb */ #define CICR_SCA_SCC1 ((uint)0x00000000) /* SCC1 @ SCCa */ -#define CICR_IRL_MASK ((uint)0x0000e000) /* Core interrrupt */ +#define CICR_IRL_MASK ((uint)0x0000e000) /* Core interrupt */ #define CICR_HP_MASK ((uint)0x00001f00) /* Hi-pri int. */ #define CICR_IEN ((uint)0x00000080) /* Int. enable */ #define CICR_SPS ((uint)0x00000001) /* SCC Spread */ diff --git a/include/asm-ppc/reg_booke.h b/include/asm-ppc/reg_booke.h index 82948ed2744a..4cad45a055dd 100644 --- a/include/asm-ppc/reg_booke.h +++ b/include/asm-ppc/reg_booke.h @@ -283,7 +283,7 @@ #define ESR_IMCB 0x20000000 /* Instr. Machine Check - Bus error */ #define ESR_IMCT 0x10000000 /* Instr. Machine Check - Timeout */ #define ESR_PIL 0x08000000 /* Program Exception - Illegal */ -#define ESR_PPR 0x04000000 /* Program Exception - Priveleged */ +#define ESR_PPR 0x04000000 /* Program Exception - Privileged */ #define ESR_PTR 0x02000000 /* Program Exception - Trap */ #define ESR_FP 0x01000000 /* Floating Point Operation */ #define ESR_DST 0x00800000 /* Storage Exception - Data miss */ diff --git a/include/linux/of.h b/include/linux/of.h index 5c39b9270ff7..c65af7bd1e9c 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -46,6 +46,10 @@ extern struct device_node *of_find_node_by_phandle(phandle handle); extern struct device_node *of_get_parent(const struct device_node *node); extern struct device_node *of_get_next_child(const struct device_node *node, struct device_node *prev); +#define for_each_child_of_node(parent, child) \ + for (child = of_get_next_child(parent, NULL); child != NULL; \ + child = of_get_next_child(parent, child)) + extern struct property *of_find_property(const struct device_node *np, const char *name, int *lenp); diff --git a/include/linux/pmu.h b/include/linux/pmu.h index b7824c215354..4c5f65392d36 100644 --- a/include/linux/pmu.h +++ b/include/linux/pmu.h @@ -159,41 +159,7 @@ extern void pmu_unlock(void); extern int pmu_present(void); extern int pmu_get_model(void); -#ifdef CONFIG_PM -/* - * Stuff for putting the powerbook to sleep and waking it again. - * - */ -#include <linux/list.h> - -struct pmu_sleep_notifier -{ - void (*notifier_call)(struct pmu_sleep_notifier *self, int when); - int priority; - struct list_head list; -}; - -/* Code values for calling sleep/wakeup handlers - */ -#define PBOOK_SLEEP_REQUEST 1 -#define PBOOK_SLEEP_NOW 2 -#define PBOOK_WAKE 3 - -/* priority levels in notifiers */ -#define SLEEP_LEVEL_VIDEO 100 /* Video driver (first wake) */ -#define SLEEP_LEVEL_MEDIABAY 90 /* Media bay driver */ -#define SLEEP_LEVEL_BLOCK 80 /* IDE, SCSI */ -#define SLEEP_LEVEL_NET 70 /* bmac, gmac */ -#define SLEEP_LEVEL_MISC 60 /* Anything else */ -#define SLEEP_LEVEL_USERLAND 55 /* Reserved for apm_emu */ -#define SLEEP_LEVEL_ADB 50 /* ADB (async) */ -#define SLEEP_LEVEL_SOUND 40 /* Sound driver (blocking) */ - -/* special register notifier functions */ -int pmu_register_sleep_notifier(struct pmu_sleep_notifier* notifier); -int pmu_unregister_sleep_notifier(struct pmu_sleep_notifier* notifier); - -#endif /* CONFIG_PM */ +extern void pmu_backlight_set_sleep(int sleep); #define PMU_MAX_BATTERIES 2 |