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-rw-r--r--arch/powerpc/platforms/40x/Kconfig55
-rw-r--r--arch/powerpc/platforms/40x/ppc40x_simple.c4
-rw-r--r--arch/powerpc/platforms/44x/Kconfig32
-rw-r--r--arch/powerpc/platforms/44x/Makefile1
-rw-r--r--arch/powerpc/platforms/44x/currituck.c204
-rw-r--r--arch/powerpc/platforms/44x/iss4xx.c2
-rw-r--r--arch/powerpc/platforms/512x/Kconfig1
-rw-r--r--arch/powerpc/platforms/83xx/asp834x.c35
-rw-r--r--arch/powerpc/platforms/83xx/km83xx.c58
-rw-r--r--arch/powerpc/platforms/83xx/misc.c77
-rw-r--r--arch/powerpc/platforms/83xx/mpc830x_rdb.c40
-rw-r--r--arch/powerpc/platforms/83xx/mpc831x_rdb.c43
-rw-r--r--arch/powerpc/platforms/83xx/mpc832x_mds.c53
-rw-r--r--arch/powerpc/platforms/83xx/mpc832x_rdb.c56
-rw-r--r--arch/powerpc/platforms/83xx/mpc834x_itx.c30
-rw-r--r--arch/powerpc/platforms/83xx/mpc834x_mds.c42
-rw-r--r--arch/powerpc/platforms/83xx/mpc836x_mds.c53
-rw-r--r--arch/powerpc/platforms/83xx/mpc836x_rdk.c48
-rw-r--r--arch/powerpc/platforms/83xx/mpc837x_mds.c46
-rw-r--r--arch/powerpc/platforms/83xx/mpc837x_rdb.c47
-rw-r--r--arch/powerpc/platforms/83xx/mpc83xx.h16
-rw-r--r--arch/powerpc/platforms/83xx/sbc834x.c49
-rw-r--r--arch/powerpc/platforms/85xx/Makefile2
-rw-r--r--arch/powerpc/platforms/85xx/common.c66
-rw-r--r--arch/powerpc/platforms/85xx/corenet_ds.c28
-rw-r--r--arch/powerpc/platforms/85xx/ksi8560.c69
-rw-r--r--arch/powerpc/platforms/85xx/mpc8536_ds.c38
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx.h11
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_ads.c74
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_cds.c42
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_ds.c50
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_mds.c73
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_rdb.c49
-rw-r--r--arch/powerpc/platforms/85xx/p1010rdb.c38
-rw-r--r--arch/powerpc/platforms/85xx/p1022_ds.c38
-rw-r--r--arch/powerpc/platforms/85xx/p1023_rds.c47
-rw-r--r--arch/powerpc/platforms/85xx/sbc8548.c43
-rw-r--r--arch/powerpc/platforms/85xx/sbc8560.c74
-rw-r--r--arch/powerpc/platforms/85xx/smp.c1
-rw-r--r--arch/powerpc/platforms/85xx/smp.h15
-rw-r--r--arch/powerpc/platforms/85xx/socrates.c33
-rw-r--r--arch/powerpc/platforms/85xx/stx_gp3.c73
-rw-r--r--arch/powerpc/platforms/85xx/tqm85xx.c73
-rw-r--r--arch/powerpc/platforms/85xx/xes_mpc85xx.c48
-rw-r--r--arch/powerpc/platforms/86xx/mpc86xx_hpcn.c2
-rw-r--r--arch/powerpc/platforms/86xx/pic.c18
-rw-r--r--arch/powerpc/platforms/Kconfig9
-rw-r--r--arch/powerpc/platforms/Kconfig.cputype25
-rw-r--r--arch/powerpc/platforms/cell/cbe_thermal.c144
-rw-r--r--arch/powerpc/platforms/cell/iommu.c2
-rw-r--r--arch/powerpc/platforms/cell/setup.c25
-rw-r--r--arch/powerpc/platforms/cell/smp.c2
-rw-r--r--arch/powerpc/platforms/cell/spu_base.c61
-rw-r--r--arch/powerpc/platforms/cell/spu_syscalls.c4
-rw-r--r--arch/powerpc/platforms/cell/spufs/inode.c17
-rw-r--r--arch/powerpc/platforms/cell/spufs/spufs.h4
-rw-r--r--arch/powerpc/platforms/cell/spufs/syscalls.c2
-rw-r--r--arch/powerpc/platforms/chrp/setup.c3
-rw-r--r--arch/powerpc/platforms/embedded6xx/holly.c23
-rw-r--r--arch/powerpc/platforms/embedded6xx/linkstation.c20
-rw-r--r--arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c24
-rw-r--r--arch/powerpc/platforms/embedded6xx/storcenter.c26
-rw-r--r--arch/powerpc/platforms/embedded6xx/wii.c23
-rw-r--r--arch/powerpc/platforms/iseries/setup.c12
-rw-r--r--arch/powerpc/platforms/iseries/smp.c2
-rw-r--r--arch/powerpc/platforms/maple/pci.c55
-rw-r--r--arch/powerpc/platforms/maple/setup.c2
-rw-r--r--arch/powerpc/platforms/pasemi/setup.c4
-rw-r--r--arch/powerpc/platforms/powermac/cpufreq_32.c2
-rw-r--r--arch/powerpc/platforms/powermac/pic.c80
-rw-r--r--arch/powerpc/platforms/powermac/setup.c8
-rw-r--r--arch/powerpc/platforms/powermac/smp.c6
-rw-r--r--arch/powerpc/platforms/powernv/Makefile2
-rw-r--r--arch/powerpc/platforms/powernv/opal-wrappers.S8
-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda.c1341
-rw-r--r--arch/powerpc/platforms/powernv/pci-p5ioc2.c1
-rw-r--r--arch/powerpc/platforms/powernv/pci.c228
-rw-r--r--arch/powerpc/platforms/powernv/pci.h100
-rw-r--r--arch/powerpc/platforms/powernv/smp.c2
-rw-r--r--arch/powerpc/platforms/ps3/interrupt.c103
-rw-r--r--arch/powerpc/platforms/ps3/mm.c1
-rw-r--r--arch/powerpc/platforms/ps3/repository.c137
-rw-r--r--arch/powerpc/platforms/ps3/setup.c4
-rw-r--r--arch/powerpc/platforms/ps3/smp.c2
-rw-r--r--arch/powerpc/platforms/ps3/spu.c2
-rw-r--r--arch/powerpc/platforms/pseries/Kconfig9
-rw-r--r--arch/powerpc/platforms/pseries/Makefile1
-rw-r--r--arch/powerpc/platforms/pseries/cmm.c67
-rw-r--r--arch/powerpc/platforms/pseries/hvCall.S3
-rw-r--r--arch/powerpc/platforms/pseries/hvCall_inst.c4
-rw-r--r--arch/powerpc/platforms/pseries/iommu.c61
-rw-r--r--arch/powerpc/platforms/pseries/lpar.c12
-rw-r--r--arch/powerpc/platforms/pseries/nvram.c8
-rw-r--r--arch/powerpc/platforms/pseries/processor_idle.c329
-rw-r--r--arch/powerpc/platforms/pseries/pseries.h3
-rw-r--r--arch/powerpc/platforms/pseries/pseries_energy.c71
-rw-r--r--arch/powerpc/platforms/pseries/setup.c109
-rw-r--r--arch/powerpc/platforms/pseries/smp.c3
-rw-r--r--arch/powerpc/platforms/pseries/suspend.c33
-rw-r--r--arch/powerpc/platforms/wsp/Kconfig12
-rw-r--r--arch/powerpc/platforms/wsp/Makefile8
-rw-r--r--arch/powerpc/platforms/wsp/chroma.c56
-rw-r--r--arch/powerpc/platforms/wsp/h8.c134
-rw-r--r--arch/powerpc/platforms/wsp/opb_pic.c3
-rw-r--r--arch/powerpc/platforms/wsp/psr2.c56
-rw-r--r--arch/powerpc/platforms/wsp/wsp.c115
-rw-r--r--arch/powerpc/platforms/wsp/wsp.h16
107 files changed, 3502 insertions, 2124 deletions
diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig
index 153022971daa..a392d12dd21f 100644
--- a/arch/powerpc/platforms/40x/Kconfig
+++ b/arch/powerpc/platforms/40x/Kconfig
@@ -1,19 +1,3 @@
-#config BUBINGA
-# bool "Bubinga"
-# depends on 40x
-# default n
-# select 405EP
-# help
-# This option enables support for the IBM 405EP evaluation board.
-
-#config CPCI405
-# bool "CPCI405"
-# depends on 40x
-# default n
-# select 405GP
-# help
-# This option enables support for the CPCI405 board.
-
config ACADIA
bool "Acadia"
depends on 40x
@@ -65,14 +49,6 @@ config MAKALU
help
This option enables support for the AMCC PPC405EX board.
-#config SYCAMORE
-# bool "Sycamore"
-# depends on 40x
-# default n
-# select 405GPR
-# help
-# This option enables support for the IBM PPC405GPr evaluation board.
-
config WALNUT
bool "Walnut"
depends on 40x
@@ -100,6 +76,16 @@ config XILINX_VIRTEX_GENERIC_BOARD
Most Virtex designs should use this unless it needs to do some
special configuration at board probe time.
+config OBS600
+ bool "OpenBlockS 600"
+ depends on 40x
+ default n
+ select 405EX
+ select PPC40x_SIMPLE
+ help
+ This option enables support for PlatHome OpenBlockS 600 server
+
+
config PPC40x_SIMPLE
bool "Simple PowerPC 40x board support"
depends on 40x
@@ -173,16 +159,11 @@ config IBM405_ERR77
config IBM405_ERR51
bool
-#config BIOS_FIXUP
-# bool
-# depends on BUBINGA || EP405 || SYCAMORE || WALNUT
-# default y
-
-#config PPC4xx_DMA
-# bool "PPC4xx DMA controller support"
-# depends on 4xx
-
-#config PPC4xx_EDMA
-# bool
-# depends on !STB03xxx && PPC4xx_DMA
-# default y
+config APM8018X
+ bool "APM8018X"
+ depends on 40x
+ default n
+ select PPC40x_SIMPLE
+ help
+ This option enables support for the AppliedMicro APM8018X evaluation
+ board.
diff --git a/arch/powerpc/platforms/40x/ppc40x_simple.c b/arch/powerpc/platforms/40x/ppc40x_simple.c
index e8dd5c5df7d9..97612068fae3 100644
--- a/arch/powerpc/platforms/40x/ppc40x_simple.c
+++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
@@ -55,7 +55,9 @@ static const char *board[] __initdata = {
"amcc,haleakala",
"amcc,kilauea",
"amcc,makalu",
- "est,hotfoot"
+ "apm,klondike",
+ "est,hotfoot",
+ "plathome,obs600"
};
static int __init ppc40x_probe(void)
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 762322ce24a9..fcf6bf2ceee9 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -75,7 +75,7 @@ config KATMAI
select PCI
select PPC4xx_PCI_EXPRESS
select PCI_MSI
- select PCC4xx_MSI
+ select PPC4xx_MSI
help
This option enables support for the AMCC PPC440SPe evaluation board.
@@ -186,6 +186,16 @@ config ISS4xx
help
This option enables support for the IBM ISS simulation environment
+config CURRITUCK
+ bool "IBM Currituck (476fpe) Support"
+ depends on PPC_47x
+ default n
+ select SWIOTLB
+ select 476FPE
+ select PPC4xx_PCI_EXPRESS
+ help
+ This option enables support for the IBM Currituck (476fpe) evaluation board
+
config ICON
bool "Icon"
depends on 44x
@@ -197,22 +207,6 @@ config ICON
help
This option enables support for the AMCC PPC440SPe evaluation board.
-#config LUAN
-# bool "Luan"
-# depends on 44x
-# default n
-# select 440SP
-# help
-# This option enables support for the IBM PPC440SP evaluation board.
-
-#config OCOTEA
-# bool "Ocotea"
-# depends on 44x
-# default n
-# select 440GX
-# help
-# This option enables support for the IBM PPC440GX evaluation board.
-
config XILINX_VIRTEX440_GENERIC_BOARD
bool "Generic Xilinx Virtex 5 FXT board support"
depends on 44x
@@ -308,6 +302,10 @@ config 460SX
select IBM_EMAC_ZMII
select IBM_EMAC_TAH
+config 476FPE
+ bool
+ select PPC_FPU
+
config APM821xx
bool
select PPC_FPU
diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile
index 553db6007217..d03833abec09 100644
--- a/arch/powerpc/platforms/44x/Makefile
+++ b/arch/powerpc/platforms/44x/Makefile
@@ -10,3 +10,4 @@ obj-$(CONFIG_XILINX_VIRTEX_5_FXT) += virtex.o
obj-$(CONFIG_XILINX_ML510) += virtex_ml510.o
obj-$(CONFIG_ISS4xx) += iss4xx.o
obj-$(CONFIG_CANYONLANDS)+= canyonlands.o
+obj-$(CONFIG_CURRITUCK) += currituck.o
diff --git a/arch/powerpc/platforms/44x/currituck.c b/arch/powerpc/platforms/44x/currituck.c
new file mode 100644
index 000000000000..3f6229b5dee0
--- /dev/null
+++ b/arch/powerpc/platforms/44x/currituck.c
@@ -0,0 +1,204 @@
+/*
+ * Currituck board specific routines
+ *
+ * Copyright © 2011 Tony Breeds IBM Corporation
+ *
+ * Based on earlier code:
+ * Matt Porter <mporter@kernel.crashing.org>
+ * Copyright 2002-2005 MontaVista Software Inc.
+ *
+ * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
+ * Copyright (c) 2003-2005 Zultys Technologies
+ *
+ * Rewritten and ported to the merged powerpc tree:
+ * Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation.
+ * Copyright © 2011 David Kliekamp 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; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/memblock.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/rtc.h>
+
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/time.h>
+#include <asm/uic.h>
+#include <asm/ppc4xx.h>
+#include <asm/mpic.h>
+#include <asm/mmu.h>
+
+#include <linux/pci.h>
+
+static __initdata struct of_device_id ppc47x_of_bus[] = {
+ { .compatible = "ibm,plb4", },
+ { .compatible = "ibm,plb6", },
+ { .compatible = "ibm,opb", },
+ { .compatible = "ibm,ebc", },
+ {},
+};
+
+/* The EEPROM is missing and the default values are bogus. This forces USB in
+ * to EHCI mode */
+static void __devinit quirk_ppc_currituck_usb_fixup(struct pci_dev *dev)
+{
+ if (of_machine_is_compatible("ibm,currituck")) {
+ pci_write_config_dword(dev, 0xe0, 0x0114231f);
+ pci_write_config_dword(dev, 0xe4, 0x00006c40);
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(0x1033, 0x0035, quirk_ppc_currituck_usb_fixup);
+
+static int __init ppc47x_device_probe(void)
+{
+ of_platform_bus_probe(NULL, ppc47x_of_bus, NULL);
+
+ return 0;
+}
+machine_device_initcall(ppc47x, ppc47x_device_probe);
+
+/* We can have either UICs or MPICs */
+static void __init ppc47x_init_irq(void)
+{
+ struct device_node *np;
+
+ /* Find top level interrupt controller */
+ for_each_node_with_property(np, "interrupt-controller") {
+ if (of_get_property(np, "interrupts", NULL) == NULL)
+ break;
+ }
+ if (np == NULL)
+ panic("Can't find top level interrupt controller");
+
+ /* Check type and do appropriate initialization */
+ if (of_device_is_compatible(np, "chrp,open-pic")) {
+ /* The MPIC driver will get everything it needs from the
+ * device-tree, just pass 0 to all arguments
+ */
+ struct mpic *mpic =
+ mpic_alloc(np, 0, 0, 0, 0, " MPIC ");
+ BUG_ON(mpic == NULL);
+ mpic_init(mpic);
+ ppc_md.get_irq = mpic_get_irq;
+ } else
+ panic("Unrecognized top level interrupt controller");
+}
+
+#ifdef CONFIG_SMP
+static void __cpuinit smp_ppc47x_setup_cpu(int cpu)
+{
+ mpic_setup_this_cpu();
+}
+
+static int __cpuinit smp_ppc47x_kick_cpu(int cpu)
+{
+ struct device_node *cpunode = of_get_cpu_node(cpu, NULL);
+ const u64 *spin_table_addr_prop;
+ u32 *spin_table;
+ extern void start_secondary_47x(void);
+
+ BUG_ON(cpunode == NULL);
+
+ /* Assume spin table. We could test for the enable-method in
+ * the device-tree but currently there's little point as it's
+ * our only supported method
+ */
+ spin_table_addr_prop =
+ of_get_property(cpunode, "cpu-release-addr", NULL);
+
+ if (spin_table_addr_prop == NULL) {
+ pr_err("CPU%d: Can't start, missing cpu-release-addr !\n",
+ cpu);
+ return 1;
+ }
+
+ /* Assume it's mapped as part of the linear mapping. This is a bit
+ * fishy but will work fine for now
+ *
+ * XXX: Is there any reason to assume differently?
+ */
+ spin_table = (u32 *)__va(*spin_table_addr_prop);
+ pr_debug("CPU%d: Spin table mapped at %p\n", cpu, spin_table);
+
+ spin_table[3] = cpu;
+ smp_wmb();
+ spin_table[1] = __pa(start_secondary_47x);
+ mb();
+
+ return 0;
+}
+
+static struct smp_ops_t ppc47x_smp_ops = {
+ .probe = smp_mpic_probe,
+ .message_pass = smp_mpic_message_pass,
+ .setup_cpu = smp_ppc47x_setup_cpu,
+ .kick_cpu = smp_ppc47x_kick_cpu,
+ .give_timebase = smp_generic_give_timebase,
+ .take_timebase = smp_generic_take_timebase,
+};
+
+static void __init ppc47x_smp_init(void)
+{
+ if (mmu_has_feature(MMU_FTR_TYPE_47x))
+ smp_ops = &ppc47x_smp_ops;
+}
+
+#else /* CONFIG_SMP */
+static void __init ppc47x_smp_init(void) { }
+#endif /* CONFIG_SMP */
+
+static void __init ppc47x_setup_arch(void)
+{
+
+ /* No need to check the DMA config as we /know/ our windows are all of
+ * RAM. Lets hope that doesn't change */
+#ifdef CONFIG_SWIOTLB
+ if (memblock_end_of_DRAM() > 0xffffffff) {
+ ppc_swiotlb_enable = 1;
+ set_pci_dma_ops(&swiotlb_dma_ops);
+ ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
+ }
+#endif
+ ppc47x_smp_init();
+}
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init ppc47x_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ if (!of_flat_dt_is_compatible(root, "ibm,currituck"))
+ return 0;
+
+ return 1;
+}
+
+/* Use USB controller should have been hardware swizzled but it wasn't :( */
+static void ppc47x_pci_irq_fixup(struct pci_dev *dev)
+{
+ if (dev->vendor == 0x1033 && (dev->device == 0x0035 ||
+ dev->device == 0x00e0)) {
+ dev->irq = irq_create_mapping(NULL, 47);
+ pr_info("%s: Mapping irq 47 %d\n", __func__, dev->irq);
+ }
+}
+
+define_machine(ppc47x) {
+ .name = "PowerPC 47x",
+ .probe = ppc47x_probe,
+ .progress = udbg_progress,
+ .init_IRQ = ppc47x_init_irq,
+ .setup_arch = ppc47x_setup_arch,
+ .pci_irq_fixup = ppc47x_pci_irq_fixup,
+ .restart = ppc4xx_reset_system,
+ .calibrate_decr = generic_calibrate_decr,
+};
diff --git a/arch/powerpc/platforms/44x/iss4xx.c b/arch/powerpc/platforms/44x/iss4xx.c
index 19395f18b1db..5b8cdbb82f80 100644
--- a/arch/powerpc/platforms/44x/iss4xx.c
+++ b/arch/powerpc/platforms/44x/iss4xx.c
@@ -71,7 +71,7 @@ static void __init iss4xx_init_irq(void)
/* The MPIC driver will get everything it needs from the
* device-tree, just pass 0 to all arguments
*/
- struct mpic *mpic = mpic_alloc(np, 0, MPIC_PRIMARY, 0, 0,
+ struct mpic *mpic = mpic_alloc(np, 0, 0, 0, 0,
" MPIC ");
BUG_ON(mpic == NULL);
mpic_init(mpic);
diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig
index b3ebce1aec07..c16999802ecf 100644
--- a/arch/powerpc/platforms/512x/Kconfig
+++ b/arch/powerpc/platforms/512x/Kconfig
@@ -12,7 +12,6 @@ config MPC5121_ADS
bool "Freescale MPC5121E ADS"
depends on PPC_MPC512x
select DEFAULT_UIMAGE
- select MPC5121_ADS_CPLD
help
This option enables support for the MPC5121E ADS board.
diff --git a/arch/powerpc/platforms/83xx/asp834x.c b/arch/powerpc/platforms/83xx/asp834x.c
index aa0d84d22585..464ea8e0292d 100644
--- a/arch/powerpc/platforms/83xx/asp834x.c
+++ b/arch/powerpc/platforms/83xx/asp834x.c
@@ -36,38 +36,7 @@ static void __init asp834x_setup_arch(void)
mpc834x_usb_cfg();
}
-static void __init asp834x_init_IRQ(void)
-{
- struct device_node *np;
-
- np = of_find_node_by_type(NULL, "ipic");
- if (!np)
- return;
-
- ipic_init(np, 0);
-
- of_node_put(np);
-
- /* Initialize the default interrupt mapping priorities,
- * in case the boot rom changed something on us.
- */
- ipic_set_default_priority();
-}
-
-static struct __initdata of_device_id asp8347_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init asp8347_declare_of_platform_devices(void)
-{
- of_platform_bus_probe(NULL, asp8347_ids, NULL);
- return 0;
-}
-machine_device_initcall(asp834x, asp8347_declare_of_platform_devices);
+machine_device_initcall(asp834x, mpc83xx_declare_of_platform_devices);
/*
* Called very early, MMU is off, device-tree isn't unflattened
@@ -82,7 +51,7 @@ define_machine(asp834x) {
.name = "ASP8347E",
.probe = asp834x_probe,
.setup_arch = asp834x_setup_arch,
- .init_IRQ = asp834x_init_IRQ,
+ .init_IRQ = mpc83xx_ipic_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
diff --git a/arch/powerpc/platforms/83xx/km83xx.c b/arch/powerpc/platforms/83xx/km83xx.c
index c55129f5760a..65eb792a0d00 100644
--- a/arch/powerpc/platforms/83xx/km83xx.c
+++ b/arch/powerpc/platforms/83xx/km83xx.c
@@ -51,15 +51,14 @@
*/
static void __init mpc83xx_km_setup_arch(void)
{
+#ifdef CONFIG_QUICC_ENGINE
struct device_node *np;
+#endif
if (ppc_md.progress)
ppc_md.progress("kmpbec83xx_setup_arch()", 0);
-#ifdef CONFIG_PCI
- for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
- mpc83xx_add_bridge(np);
-#endif
+ mpc83xx_setup_pci();
#ifdef CONFIG_QUICC_ENGINE
qe_reset();
@@ -122,54 +121,7 @@ static void __init mpc83xx_km_setup_arch(void)
#endif /* CONFIG_QUICC_ENGINE */
}
-static struct of_device_id kmpbec83xx_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .type = "qe", },
- { .compatible = "fsl,qe", },
- {},
-};
-
-static int __init kmeter_declare_of_platform_devices(void)
-{
- /* Publish the QE devices */
- of_platform_bus_probe(NULL, kmpbec83xx_ids, NULL);
-
- return 0;
-}
-machine_device_initcall(mpc83xx_km, kmeter_declare_of_platform_devices);
-
-static void __init mpc83xx_km_init_IRQ(void)
-{
- struct device_node *np;
-
- np = of_find_compatible_node(NULL, NULL, "fsl,pq2pro-pic");
- if (!np) {
- np = of_find_node_by_type(NULL, "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();
- of_node_put(np);
-
-#ifdef CONFIG_QUICC_ENGINE
- np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
- if (!np) {
- np = of_find_node_by_type(NULL, "qeic");
- if (!np)
- return;
- }
- qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
- of_node_put(np);
-#endif /* CONFIG_QUICC_ENGINE */
-}
+machine_device_initcall(mpc83xx_km, mpc83xx_declare_of_platform_devices);
/* list of the supported boards */
static char *board[] __initdata = {
@@ -198,7 +150,7 @@ define_machine(mpc83xx_km) {
.name = "mpc83xx-km-platform",
.probe = mpc83xx_km_probe,
.setup_arch = mpc83xx_km_setup_arch,
- .init_IRQ = mpc83xx_km_init_IRQ,
+ .init_IRQ = mpc83xx_ipic_and_qe_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
diff --git a/arch/powerpc/platforms/83xx/misc.c b/arch/powerpc/platforms/83xx/misc.c
index f01806c940e1..125336f750c6 100644
--- a/arch/powerpc/platforms/83xx/misc.c
+++ b/arch/powerpc/platforms/83xx/misc.c
@@ -11,10 +11,15 @@
#include <linux/stddef.h>
#include <linux/kernel.h>
+#include <linux/of_platform.h>
+#include <linux/pci.h>
#include <asm/io.h>
#include <asm/hw_irq.h>
+#include <asm/ipic.h>
+#include <asm/qe_ic.h>
#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
#include "mpc83xx.h"
@@ -65,3 +70,75 @@ long __init mpc83xx_time_init(void)
return 0;
}
+
+void __init mpc83xx_ipic_init_IRQ(void)
+{
+ struct device_node *np;
+
+ /* looking for fsl,pq2pro-pic which is asl compatible with fsl,ipic */
+ np = of_find_compatible_node(NULL, NULL, "fsl,ipic");
+ if (!np)
+ np = of_find_node_by_type(NULL, "ipic");
+ if (!np)
+ return;
+
+ ipic_init(np, 0);
+
+ of_node_put(np);
+
+ /* Initialize the default interrupt mapping priorities,
+ * in case the boot rom changed something on us.
+ */
+ ipic_set_default_priority();
+}
+
+#ifdef CONFIG_QUICC_ENGINE
+void __init mpc83xx_qe_init_IRQ(void)
+{
+ struct device_node *np;
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
+ if (!np) {
+ np = of_find_node_by_type(NULL, "qeic");
+ if (!np)
+ return;
+ }
+ qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
+ of_node_put(np);
+}
+
+void __init mpc83xx_ipic_and_qe_init_IRQ(void)
+{
+ mpc83xx_ipic_init_IRQ();
+ mpc83xx_qe_init_IRQ();
+}
+#endif /* CONFIG_QUICC_ENGINE */
+
+static struct of_device_id __initdata of_bus_ids[] = {
+ { .type = "soc", },
+ { .compatible = "soc", },
+ { .compatible = "simple-bus" },
+ { .compatible = "gianfar" },
+ { .compatible = "gpio-leds", },
+ { .type = "qe", },
+ { .compatible = "fsl,qe", },
+ {},
+};
+
+int __init mpc83xx_declare_of_platform_devices(void)
+{
+ of_platform_bus_probe(NULL, of_bus_ids, NULL);
+ return 0;
+}
+
+#ifdef CONFIG_PCI
+void __init mpc83xx_setup_pci(void)
+{
+ struct device_node *np;
+
+ for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
+ mpc83xx_add_bridge(np);
+ for_each_compatible_node(np, "pci", "fsl,mpc8314-pcie")
+ mpc83xx_add_bridge(np);
+}
+#endif
diff --git a/arch/powerpc/platforms/83xx/mpc830x_rdb.c b/arch/powerpc/platforms/83xx/mpc830x_rdb.c
index d0c4e15b7794..4f2d9fea77b7 100644
--- a/arch/powerpc/platforms/83xx/mpc830x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc830x_rdb.c
@@ -27,36 +27,13 @@
*/
static void __init mpc830x_rdb_setup_arch(void)
{
-#ifdef CONFIG_PCI
- struct device_node *np;
-#endif
-
if (ppc_md.progress)
ppc_md.progress("mpc830x_rdb_setup_arch()", 0);
-#ifdef CONFIG_PCI
- for_each_compatible_node(np, "pci", "fsl,mpc8308-pcie")
- mpc83xx_add_bridge(np);
-#endif
+ mpc83xx_setup_pci();
mpc831x_usb_cfg();
}
-static void __init mpc830x_rdb_init_IRQ(void)
-{
- struct device_node *np;
-
- np = of_find_node_by_type(NULL, "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();
-}
-
static const char *board[] __initdata = {
"MPC8308RDB",
"fsl,mpc8308rdb",
@@ -72,24 +49,13 @@ static int __init mpc830x_rdb_probe(void)
return of_flat_dt_match(of_get_flat_dt_root(), board);
}
-static struct of_device_id __initdata of_bus_ids[] = {
- { .compatible = "simple-bus" },
- { .compatible = "gianfar" },
- {},
-};
-
-static int __init declare_of_platform_devices(void)
-{
- of_platform_bus_probe(NULL, of_bus_ids, NULL);
- return 0;
-}
-machine_device_initcall(mpc830x_rdb, declare_of_platform_devices);
+machine_device_initcall(mpc830x_rdb, mpc83xx_declare_of_platform_devices);
define_machine(mpc830x_rdb) {
.name = "MPC830x RDB",
.probe = mpc830x_rdb_probe,
.setup_arch = mpc830x_rdb_setup_arch,
- .init_IRQ = mpc830x_rdb_init_IRQ,
+ .init_IRQ = mpc83xx_ipic_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
diff --git a/arch/powerpc/platforms/83xx/mpc831x_rdb.c b/arch/powerpc/platforms/83xx/mpc831x_rdb.c
index f859ead49a8d..fa25977c52de 100644
--- a/arch/powerpc/platforms/83xx/mpc831x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc831x_rdb.c
@@ -28,38 +28,13 @@
*/
static void __init mpc831x_rdb_setup_arch(void)
{
-#ifdef CONFIG_PCI
- struct device_node *np;
-#endif
-
if (ppc_md.progress)
ppc_md.progress("mpc831x_rdb_setup_arch()", 0);
-#ifdef CONFIG_PCI
- for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
- mpc83xx_add_bridge(np);
- for_each_compatible_node(np, "pci", "fsl,mpc8314-pcie")
- mpc83xx_add_bridge(np);
-#endif
+ mpc83xx_setup_pci();
mpc831x_usb_cfg();
}
-static void __init mpc831x_rdb_init_IRQ(void)
-{
- struct device_node *np;
-
- np = of_find_node_by_type(NULL, "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();
-}
-
static const char *board[] __initdata = {
"MPC8313ERDB",
"fsl,mpc8315erdb",
@@ -74,25 +49,13 @@ static int __init mpc831x_rdb_probe(void)
return of_flat_dt_match(of_get_flat_dt_root(), board);
}
-static struct of_device_id __initdata of_bus_ids[] = {
- { .compatible = "simple-bus" },
- { .compatible = "gianfar" },
- { .compatible = "gpio-leds", },
- {},
-};
-
-static int __init declare_of_platform_devices(void)
-{
- of_platform_bus_probe(NULL, of_bus_ids, NULL);
- return 0;
-}
-machine_device_initcall(mpc831x_rdb, declare_of_platform_devices);
+machine_device_initcall(mpc831x_rdb, mpc83xx_declare_of_platform_devices);
define_machine(mpc831x_rdb) {
.name = "MPC831x RDB",
.probe = mpc831x_rdb_probe,
.setup_arch = mpc831x_rdb_setup_arch,
- .init_IRQ = mpc831x_rdb_init_IRQ,
+ .init_IRQ = mpc83xx_ipic_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c
index 32a52896822f..e36bc611dd6e 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c
@@ -72,10 +72,7 @@ static void __init mpc832x_sys_setup_arch(void)
of_node_put(np);
}
-#ifdef CONFIG_PCI
- for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
- mpc83xx_add_bridge(np);
-#endif
+ mpc83xx_setup_pci();
#ifdef CONFIG_QUICC_ENGINE
qe_reset();
@@ -101,51 +98,7 @@ static void __init mpc832x_sys_setup_arch(void)
#endif /* CONFIG_QUICC_ENGINE */
}
-static struct of_device_id mpc832x_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .type = "qe", },
- { .compatible = "fsl,qe", },
- {},
-};
-
-static int __init mpc832x_declare_of_platform_devices(void)
-{
- /* Publish the QE devices */
- of_platform_bus_probe(NULL, mpc832x_ids, NULL);
-
- return 0;
-}
-machine_device_initcall(mpc832x_mds, mpc832x_declare_of_platform_devices);
-
-static void __init mpc832x_sys_init_IRQ(void)
-{
- struct device_node *np;
-
- np = of_find_node_by_type(NULL, "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();
- of_node_put(np);
-
-#ifdef CONFIG_QUICC_ENGINE
- np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
- if (!np) {
- np = of_find_node_by_type(NULL, "qeic");
- if (!np)
- return;
- }
- qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
- of_node_put(np);
-#endif /* CONFIG_QUICC_ENGINE */
-}
+machine_device_initcall(mpc832x_mds, mpc83xx_declare_of_platform_devices);
/*
* Called very early, MMU is off, device-tree isn't unflattened
@@ -161,7 +114,7 @@ define_machine(mpc832x_mds) {
.name = "MPC832x MDS",
.probe = mpc832x_sys_probe,
.setup_arch = mpc832x_sys_setup_arch,
- .init_IRQ = mpc832x_sys_init_IRQ,
+ .init_IRQ = mpc83xx_ipic_and_qe_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c
index 17f99745f0e4..eff5baabc3fb 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c
@@ -193,17 +193,14 @@ machine_device_initcall(mpc832x_rdb, mpc832x_spi_init);
*/
static void __init mpc832x_rdb_setup_arch(void)
{
-#if defined(CONFIG_PCI) || defined(CONFIG_QUICC_ENGINE)
+#if defined(CONFIG_QUICC_ENGINE)
struct device_node *np;
#endif
if (ppc_md.progress)
ppc_md.progress("mpc832x_rdb_setup_arch()", 0);
-#ifdef CONFIG_PCI
- for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
- mpc83xx_add_bridge(np);
-#endif
+ mpc83xx_setup_pci();
#ifdef CONFIG_QUICC_ENGINE
qe_reset();
@@ -218,52 +215,7 @@ static void __init mpc832x_rdb_setup_arch(void)
#endif /* CONFIG_QUICC_ENGINE */
}
-static struct of_device_id mpc832x_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .type = "qe", },
- { .compatible = "fsl,qe", },
- {},
-};
-
-static int __init mpc832x_declare_of_platform_devices(void)
-{
- /* Publish the QE devices */
- of_platform_bus_probe(NULL, mpc832x_ids, NULL);
-
- return 0;
-}
-machine_device_initcall(mpc832x_rdb, mpc832x_declare_of_platform_devices);
-
-static void __init mpc832x_rdb_init_IRQ(void)
-{
-
- struct device_node *np;
-
- np = of_find_node_by_type(NULL, "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();
- of_node_put(np);
-
-#ifdef CONFIG_QUICC_ENGINE
- np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
- if (!np) {
- np = of_find_node_by_type(NULL, "qeic");
- if (!np)
- return;
- }
- qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
- of_node_put(np);
-#endif /* CONFIG_QUICC_ENGINE */
-}
+machine_device_initcall(mpc832x_rdb, mpc83xx_declare_of_platform_devices);
/*
* Called very early, MMU is off, device-tree isn't unflattened
@@ -279,7 +231,7 @@ define_machine(mpc832x_rdb) {
.name = "MPC832x RDB",
.probe = mpc832x_rdb_probe,
.setup_arch = mpc832x_rdb_setup_arch,
- .init_IRQ = mpc832x_rdb_init_IRQ,
+ .init_IRQ = mpc83xx_ipic_and_qe_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c
index 6b45969567d4..39849dd1b5bb 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_itx.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c
@@ -41,13 +41,12 @@
static struct of_device_id __initdata mpc834x_itx_ids[] = {
{ .compatible = "fsl,pq2pro-localbus", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
{},
};
static int __init mpc834x_itx_declare_of_platform_devices(void)
{
+ mpc83xx_declare_of_platform_devices();
return of_platform_bus_probe(NULL, mpc834x_itx_ids, NULL);
}
machine_device_initcall(mpc834x_itx, mpc834x_itx_declare_of_platform_devices);
@@ -59,37 +58,14 @@ machine_device_initcall(mpc834x_itx, mpc834x_itx_declare_of_platform_devices);
*/
static void __init mpc834x_itx_setup_arch(void)
{
-#ifdef CONFIG_PCI
- struct device_node *np;
-#endif
-
if (ppc_md.progress)
ppc_md.progress("mpc834x_itx_setup_arch()", 0);
-#ifdef CONFIG_PCI
- for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
- mpc83xx_add_bridge(np);
-#endif
+ mpc83xx_setup_pci();
mpc834x_usb_cfg();
}
-static void __init mpc834x_itx_init_IRQ(void)
-{
- struct device_node *np;
-
- np = of_find_node_by_type(NULL, "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
*/
@@ -104,7 +80,7 @@ define_machine(mpc834x_itx) {
.name = "MPC834x ITX",
.probe = mpc834x_itx_probe,
.setup_arch = mpc834x_itx_setup_arch,
- .init_IRQ = mpc834x_itx_init_IRQ,
+ .init_IRQ = mpc83xx_ipic_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
diff --git a/arch/powerpc/platforms/83xx/mpc834x_mds.c b/arch/powerpc/platforms/83xx/mpc834x_mds.c
index 041c5177e737..5828d8e97c37 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_mds.c
@@ -77,51 +77,15 @@ static int mpc834xemds_usb_cfg(void)
*/
static void __init mpc834x_mds_setup_arch(void)
{
-#ifdef CONFIG_PCI
- struct device_node *np;
-#endif
-
if (ppc_md.progress)
ppc_md.progress("mpc834x_mds_setup_arch()", 0);
-#ifdef CONFIG_PCI
- for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
- mpc83xx_add_bridge(np);
-#endif
+ mpc83xx_setup_pci();
mpc834xemds_usb_cfg();
}
-static void __init mpc834x_mds_init_IRQ(void)
-{
- struct device_node *np;
-
- np = of_find_node_by_type(NULL, "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();
-}
-
-static struct of_device_id mpc834x_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init mpc834x_declare_of_platform_devices(void)
-{
- of_platform_bus_probe(NULL, mpc834x_ids, NULL);
- return 0;
-}
-machine_device_initcall(mpc834x_mds, mpc834x_declare_of_platform_devices);
+machine_device_initcall(mpc834x_mds, mpc83xx_declare_of_platform_devices);
/*
* Called very early, MMU is off, device-tree isn't unflattened
@@ -137,7 +101,7 @@ define_machine(mpc834x_mds) {
.name = "MPC834x MDS",
.probe = mpc834x_mds_probe,
.setup_arch = mpc834x_mds_setup_arch,
- .init_IRQ = mpc834x_mds_init_IRQ,
+ .init_IRQ = mpc83xx_ipic_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c
index 934cc8c46bbc..ad8e4bcd7d55 100644
--- a/arch/powerpc/platforms/83xx/mpc836x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c
@@ -80,10 +80,7 @@ static void __init mpc836x_mds_setup_arch(void)
of_node_put(np);
}
-#ifdef CONFIG_PCI
- for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
- mpc83xx_add_bridge(np);
-#endif
+ mpc83xx_setup_pci();
#ifdef CONFIG_QUICC_ENGINE
qe_reset();
@@ -144,23 +141,7 @@ static void __init mpc836x_mds_setup_arch(void)
#endif /* CONFIG_QUICC_ENGINE */
}
-static struct of_device_id mpc836x_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .type = "qe", },
- { .compatible = "fsl,qe", },
- {},
-};
-
-static int __init mpc836x_declare_of_platform_devices(void)
-{
- /* Publish the QE devices */
- of_platform_bus_probe(NULL, mpc836x_ids, NULL);
-
- return 0;
-}
-machine_device_initcall(mpc836x_mds, mpc836x_declare_of_platform_devices);
+machine_device_initcall(mpc836x_mds, mpc83xx_declare_of_platform_devices);
#ifdef CONFIG_QE_USB
static int __init mpc836x_usb_cfg(void)
@@ -226,34 +207,6 @@ err:
machine_arch_initcall(mpc836x_mds, mpc836x_usb_cfg);
#endif /* CONFIG_QE_USB */
-static void __init mpc836x_mds_init_IRQ(void)
-{
- struct device_node *np;
-
- np = of_find_node_by_type(NULL, "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();
- of_node_put(np);
-
-#ifdef CONFIG_QUICC_ENGINE
- np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
- if (!np) {
- np = of_find_node_by_type(NULL, "qeic");
- if (!np)
- return;
- }
- qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
- of_node_put(np);
-#endif /* CONFIG_QUICC_ENGINE */
-}
-
/*
* Called very early, MMU is off, device-tree isn't unflattened
*/
@@ -268,7 +221,7 @@ define_machine(mpc836x_mds) {
.name = "MPC836x MDS",
.probe = mpc836x_mds_probe,
.setup_arch = mpc836x_mds_setup_arch,
- .init_IRQ = mpc836x_mds_init_IRQ,
+ .init_IRQ = mpc83xx_ipic_and_qe_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
diff --git a/arch/powerpc/platforms/83xx/mpc836x_rdk.c b/arch/powerpc/platforms/83xx/mpc836x_rdk.c
index b0090aac9642..f8769d713d61 100644
--- a/arch/powerpc/platforms/83xx/mpc836x_rdk.c
+++ b/arch/powerpc/platforms/83xx/mpc836x_rdk.c
@@ -27,61 +27,19 @@
#include "mpc83xx.h"
-static struct of_device_id __initdata mpc836x_rdk_ids[] = {
- { .compatible = "simple-bus", },
- {},
-};
-
-static int __init mpc836x_rdk_declare_of_platform_devices(void)
-{
- return of_platform_bus_probe(NULL, mpc836x_rdk_ids, NULL);
-}
-machine_device_initcall(mpc836x_rdk, mpc836x_rdk_declare_of_platform_devices);
+machine_device_initcall(mpc836x_rdk, mpc83xx_declare_of_platform_devices);
static void __init mpc836x_rdk_setup_arch(void)
{
-#ifdef CONFIG_PCI
- struct device_node *np;
-#endif
-
if (ppc_md.progress)
ppc_md.progress("mpc836x_rdk_setup_arch()", 0);
-#ifdef CONFIG_PCI
- for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
- mpc83xx_add_bridge(np);
-#endif
+ mpc83xx_setup_pci();
#ifdef CONFIG_QUICC_ENGINE
qe_reset();
#endif
}
-static void __init mpc836x_rdk_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();
- of_node_put(np);
-#ifdef CONFIG_QUICC_ENGINE
- np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
- if (!np)
- return;
-
- qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
- of_node_put(np);
-#endif
-}
-
/*
* Called very early, MMU is off, device-tree isn't unflattened.
*/
@@ -96,7 +54,7 @@ define_machine(mpc836x_rdk) {
.name = "MPC836x RDK",
.probe = mpc836x_rdk_probe,
.setup_arch = mpc836x_rdk_setup_arch,
- .init_IRQ = mpc836x_rdk_init_IRQ,
+ .init_IRQ = mpc83xx_ipic_and_qe_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
diff --git a/arch/powerpc/platforms/83xx/mpc837x_mds.c b/arch/powerpc/platforms/83xx/mpc837x_mds.c
index 83068322abd1..e53a60b6c863 100644
--- a/arch/powerpc/platforms/83xx/mpc837x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc837x_mds.c
@@ -79,54 +79,14 @@ out:
*/
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);
- for_each_compatible_node(np, "pci", "fsl,mpc8314-pcie")
- mpc83xx_add_bridge(np);
-#endif
+ mpc83xx_setup_pci();
mpc837xmds_usb_cfg();
}
-static struct of_device_id mpc837x_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init mpc837x_declare_of_platform_devices(void)
-{
- /* Publish platform_device */
- of_platform_bus_probe(NULL, mpc837x_ids, NULL);
-
- return 0;
-}
-machine_device_initcall(mpc837x_mds, 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();
-}
+machine_device_initcall(mpc837x_mds, mpc83xx_declare_of_platform_devices);
/*
* Called very early, MMU is off, device-tree isn't unflattened
@@ -142,7 +102,7 @@ define_machine(mpc837x_mds) {
.name = "MPC837x MDS",
.probe = mpc837x_mds_probe,
.setup_arch = mpc837x_mds_setup_arch,
- .init_IRQ = mpc837x_mds_init_IRQ,
+ .init_IRQ = mpc83xx_ipic_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
diff --git a/arch/powerpc/platforms/83xx/mpc837x_rdb.c b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
index 7bafbf2ec0f9..16c9c9cbbb7f 100644
--- a/arch/powerpc/platforms/83xx/mpc837x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
@@ -50,56 +50,15 @@ static void mpc837x_rdb_sd_cfg(void)
*/
static void __init mpc837x_rdb_setup_arch(void)
{
-#ifdef CONFIG_PCI
- struct device_node *np;
-#endif
-
if (ppc_md.progress)
ppc_md.progress("mpc837x_rdb_setup_arch()", 0);
-#ifdef CONFIG_PCI
- for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
- mpc83xx_add_bridge(np);
- for_each_compatible_node(np, "pci", "fsl,mpc8314-pcie")
- mpc83xx_add_bridge(np);
-#endif
+ mpc83xx_setup_pci();
mpc837x_usb_cfg();
mpc837x_rdb_sd_cfg();
}
-static struct of_device_id mpc837x_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- { .compatible = "gpio-leds", },
- {},
-};
-
-static int __init mpc837x_declare_of_platform_devices(void)
-{
- /* Publish platform_device */
- of_platform_bus_probe(NULL, mpc837x_ids, NULL);
-
- return 0;
-}
-machine_device_initcall(mpc837x_rdb, mpc837x_declare_of_platform_devices);
-
-static void __init mpc837x_rdb_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();
-}
+machine_device_initcall(mpc837x_rdb, mpc83xx_declare_of_platform_devices);
static const char *board[] __initdata = {
"fsl,mpc8377rdb",
@@ -121,7 +80,7 @@ define_machine(mpc837x_rdb) {
.name = "MPC837x RDB/WLAN",
.probe = mpc837x_rdb_probe,
.setup_arch = mpc837x_rdb_setup_arch,
- .init_IRQ = mpc837x_rdb_init_IRQ,
+ .init_IRQ = mpc83xx_ipic_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h
index 82a434510d83..0cf74d7ea1c5 100644
--- a/arch/powerpc/platforms/83xx/mpc83xx.h
+++ b/arch/powerpc/platforms/83xx/mpc83xx.h
@@ -70,5 +70,21 @@ extern long mpc83xx_time_init(void);
extern int mpc837x_usb_cfg(void);
extern int mpc834x_usb_cfg(void);
extern int mpc831x_usb_cfg(void);
+extern void mpc83xx_ipic_init_IRQ(void);
+#ifdef CONFIG_QUICC_ENGINE
+extern void mpc83xx_qe_init_IRQ(void);
+extern void mpc83xx_ipic_and_qe_init_IRQ(void);
+#else
+static inline void __init mpc83xx_qe_init_IRQ(void) {}
+#define mpc83xx_ipic_and_qe_init_IRQ mpc83xx_ipic_init_IRQ
+#endif /* CONFIG_QUICC_ENGINE */
+
+#ifdef CONFIG_PCI
+extern void mpc83xx_setup_pci(void);
+#else
+#define mpc83xx_setup_pci() do {} while (0)
+#endif
+
+extern int mpc83xx_declare_of_platform_devices(void);
#endif /* __MPC83XX_H__ */
diff --git a/arch/powerpc/platforms/83xx/sbc834x.c b/arch/powerpc/platforms/83xx/sbc834x.c
index af41d8c810a8..8a81d7640b1f 100644
--- a/arch/powerpc/platforms/83xx/sbc834x.c
+++ b/arch/powerpc/platforms/83xx/sbc834x.c
@@ -48,52 +48,13 @@
*/
static void __init sbc834x_setup_arch(void)
{
-#ifdef CONFIG_PCI
- struct device_node *np;
-#endif
-
if (ppc_md.progress)
ppc_md.progress("sbc834x_setup_arch()", 0);
-#ifdef CONFIG_PCI
- for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
- mpc83xx_add_bridge(np);
-#endif
-
+ mpc83xx_setup_pci();
}
-static void __init sbc834x_init_IRQ(void)
-{
- struct device_node *np;
-
- np = of_find_node_by_type(NULL, "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();
-
- of_node_put(np);
-}
-
-static struct __initdata of_device_id sbc834x_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init sbc834x_declare_of_platform_devices(void)
-{
- of_platform_bus_probe(NULL, sbc834x_ids, NULL);
- return 0;
-}
-machine_device_initcall(sbc834x, sbc834x_declare_of_platform_devices);
+machine_device_initcall(sbc834x, mpc83xx_declare_of_platform_devices);
/*
* Called very early, MMU is off, device-tree isn't unflattened
@@ -102,14 +63,14 @@ static int __init sbc834x_probe(void)
{
unsigned long root = of_get_flat_dt_root();
- return of_flat_dt_is_compatible(root, "SBC834x");
+ return of_flat_dt_is_compatible(root, "SBC834xE");
}
define_machine(sbc834x) {
- .name = "SBC834x",
+ .name = "SBC834xE",
.probe = sbc834x_probe,
.setup_arch = sbc834x_setup_arch,
- .init_IRQ = sbc834x_init_IRQ,
+ .init_IRQ = mpc83xx_ipic_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index bc5acb95917a..9cb2d4320dcc 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -3,6 +3,8 @@
#
obj-$(CONFIG_SMP) += smp.o
+obj-y += common.o
+
obj-$(CONFIG_MPC8540_ADS) += mpc85xx_ads.o
obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o
obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o
diff --git a/arch/powerpc/platforms/85xx/common.c b/arch/powerpc/platforms/85xx/common.c
new file mode 100644
index 000000000000..9fef5302adc1
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/common.c
@@ -0,0 +1,66 @@
+/*
+ * Routines common to most mpc85xx-based boards.
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/of_platform.h>
+
+#include <sysdev/cpm2_pic.h>
+
+#include "mpc85xx.h"
+
+static struct of_device_id __initdata mpc85xx_common_ids[] = {
+ { .type = "soc", },
+ { .compatible = "soc", },
+ { .compatible = "simple-bus", },
+ { .name = "cpm", },
+ { .name = "localbus", },
+ { .compatible = "gianfar", },
+ { .compatible = "fsl,qe", },
+ { .compatible = "fsl,cpm2", },
+ { .compatible = "fsl,srio", },
+ {},
+};
+
+int __init mpc85xx_common_publish_devices(void)
+{
+ return of_platform_bus_probe(NULL, mpc85xx_common_ids, NULL);
+}
+#ifdef CONFIG_CPM2
+static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
+{
+ struct irq_chip *chip = irq_desc_get_chip(desc);
+ int cascade_irq;
+
+ while ((cascade_irq = cpm2_get_irq()) >= 0)
+ generic_handle_irq(cascade_irq);
+
+ chip->irq_eoi(&desc->irq_data);
+}
+
+
+void __init mpc85xx_cpm2_pic_init(void)
+{
+ struct device_node *np;
+ int irq;
+
+ /* Setup CPM2 PIC */
+ np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic");
+ if (np == NULL) {
+ printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n");
+ return;
+ }
+ irq = irq_of_parse_and_map(np, 0);
+ if (irq == NO_IRQ) {
+ of_node_put(np);
+ printk(KERN_ERR "PIC init: got no IRQ for cpm cascade\n");
+ return;
+ }
+
+ cpm2_pic_init(np);
+ of_node_put(np);
+ irq_set_chained_handler(irq, cpm2_cascade);
+}
+#endif
diff --git a/arch/powerpc/platforms/85xx/corenet_ds.c b/arch/powerpc/platforms/85xx/corenet_ds.c
index 802ad110b757..07e3e6c47371 100644
--- a/arch/powerpc/platforms/85xx/corenet_ds.c
+++ b/arch/powerpc/platforms/85xx/corenet_ds.c
@@ -31,32 +31,18 @@
#include <linux/of_platform.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
+#include "smp.h"
void __init corenet_ds_pic_init(void)
{
struct mpic *mpic;
- struct resource r;
- struct device_node *np = NULL;
- unsigned int flags = MPIC_PRIMARY | MPIC_BIG_ENDIAN |
+ unsigned int flags = MPIC_BIG_ENDIAN |
MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU;
- np = of_find_node_by_type(np, "open-pic");
-
- if (np == NULL) {
- printk(KERN_ERR "Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Failed to map mpic register space\n");
- of_node_put(np);
- return;
- }
-
if (ppc_md.get_irq == mpic_get_coreint_irq)
flags |= MPIC_ENABLE_COREINT;
- mpic = mpic_alloc(np, r.start, flags, 0, 256, " OpenPIC ");
+ mpic = mpic_alloc(NULL, 0, flags, 0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
mpic_init(mpic);
@@ -65,10 +51,6 @@ void __init corenet_ds_pic_init(void)
/*
* Setup the architecture
*/
-#ifdef CONFIG_SMP
-void __init mpc85xx_smp_init(void);
-#endif
-
void __init corenet_ds_setup_arch(void)
{
#ifdef CONFIG_PCI
@@ -77,9 +59,7 @@ void __init corenet_ds_setup_arch(void)
#endif
dma_addr_t max = 0xffffffff;
-#ifdef CONFIG_SMP
mpc85xx_smp_init();
-#endif
#ifdef CONFIG_PCI
for_each_node_by_type(np, "pci") {
@@ -112,7 +92,7 @@ static const struct of_device_id of_device_ids[] __devinitconst = {
.compatible = "simple-bus"
},
{
- .compatible = "fsl,rapidio-delta",
+ .compatible = "fsl,srio",
},
{
.compatible = "fsl,p4080-pcie",
diff --git a/arch/powerpc/platforms/85xx/ksi8560.c b/arch/powerpc/platforms/85xx/ksi8560.c
index c46f9359be15..20f75d7819c6 100644
--- a/arch/powerpc/platforms/85xx/ksi8560.c
+++ b/arch/powerpc/platforms/85xx/ksi8560.c
@@ -35,6 +35,7 @@
#include <asm/cpm2.h>
#include <sysdev/cpm2_pic.h>
+#include "mpc85xx.h"
#define KSI8560_CPLD_HVR 0x04 /* Hardware Version Register */
#define KSI8560_CPLD_PVR 0x08 /* PLD Version Register */
@@ -54,60 +55,15 @@ static void machine_restart(char *cmd)
for (;;);
}
-static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
-{
- struct irq_chip *chip = irq_desc_get_chip(desc);
- int cascade_irq;
-
- while ((cascade_irq = cpm2_get_irq()) >= 0)
- generic_handle_irq(cascade_irq);
-
- chip->irq_eoi(&desc->irq_data);
-}
-
static void __init ksi8560_pic_init(void)
{
- struct mpic *mpic;
- struct resource r;
- struct device_node *np;
-#ifdef CONFIG_CPM2
- int irq;
-#endif
-
- np = of_find_node_by_type(NULL, "open-pic");
-
- if (np == NULL) {
- printk(KERN_ERR "Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Could not map mpic register space\n");
- of_node_put(np);
- return;
- }
-
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
+ struct mpic *mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
- of_node_put(np);
-
mpic_init(mpic);
-#ifdef CONFIG_CPM2
- /* Setup CPM2 PIC */
- np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic");
- if (np == NULL) {
- printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n");
- return;
- }
- irq = irq_of_parse_and_map(np, 0);
-
- cpm2_pic_init(np);
- of_node_put(np);
- irq_set_chained_handler(irq, cpm2_cascade);
-#endif
+ mpc85xx_cpm2_pic_init();
}
#ifdef CONFIG_CPM2
@@ -215,22 +171,7 @@ static void ksi8560_show_cpuinfo(struct seq_file *m)
seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
}
-static struct of_device_id __initdata of_bus_ids[] = {
- { .type = "soc", },
- { .type = "simple-bus", },
- { .name = "cpm", },
- { .name = "localbus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init declare_of_platform_devices(void)
-{
- of_platform_bus_probe(NULL, of_bus_ids, NULL);
-
- return 0;
-}
-machine_device_initcall(ksi8560, declare_of_platform_devices);
+machine_device_initcall(ksi8560, mpc85xx_common_publish_devices);
/*
* Called very early, device-tree isn't unflattened
diff --git a/arch/powerpc/platforms/85xx/mpc8536_ds.c b/arch/powerpc/platforms/85xx/mpc8536_ds.c
index f79f2f102141..cf266826682e 100644
--- a/arch/powerpc/platforms/85xx/mpc8536_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc8536_ds.c
@@ -32,31 +32,15 @@
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
+#include "mpc85xx.h"
+
void __init mpc8536_ds_pic_init(void)
{
- struct mpic *mpic;
- struct resource r;
- struct device_node *np;
-
- np = of_find_node_by_type(NULL, "open-pic");
- if (np == NULL) {
- printk(KERN_ERR "Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Failed to map mpic register space\n");
- of_node_put(np);
- return;
- }
-
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET |
+ struct mpic *mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
- of_node_put(np);
-
mpic_init(mpic);
}
@@ -104,19 +88,7 @@ static void __init mpc8536_ds_setup_arch(void)
printk("MPC8536 DS board from Freescale Semiconductor\n");
}
-static struct of_device_id __initdata mpc8536_ds_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init mpc8536_ds_publish_devices(void)
-{
- return of_platform_bus_probe(NULL, mpc8536_ds_ids, NULL);
-}
-machine_device_initcall(mpc8536_ds, mpc8536_ds_publish_devices);
+machine_device_initcall(mpc8536_ds, mpc85xx_common_publish_devices);
machine_arch_initcall(mpc8536_ds, swiotlb_setup_bus_notifier);
diff --git a/arch/powerpc/platforms/85xx/mpc85xx.h b/arch/powerpc/platforms/85xx/mpc85xx.h
new file mode 100644
index 000000000000..2aa7c5dc2c7f
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/mpc85xx.h
@@ -0,0 +1,11 @@
+#ifndef MPC85xx_H
+#define MPC85xx_H
+extern int mpc85xx_common_publish_devices(void);
+
+#ifdef CONFIG_CPM2
+extern void mpc85xx_cpm2_pic_init(void);
+#else
+static inline void __init mpc85xx_cpm2_pic_init(void) {}
+#endif /* CONFIG_CPM2 */
+
+#endif
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
index 3b2c9bb66199..3bebb5173bfc 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
@@ -35,6 +35,8 @@
#include <sysdev/cpm2_pic.h>
#endif
+#include "mpc85xx.h"
+
#ifdef CONFIG_PCI
static int mpc85xx_exclude_device(struct pci_controller *hose,
u_char bus, u_char devfn)
@@ -46,63 +48,15 @@ static int mpc85xx_exclude_device(struct pci_controller *hose,
}
#endif /* CONFIG_PCI */
-#ifdef CONFIG_CPM2
-
-static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
-{
- struct irq_chip *chip = irq_desc_get_chip(desc);
- int cascade_irq;
-
- while ((cascade_irq = cpm2_get_irq()) >= 0)
- generic_handle_irq(cascade_irq);
-
- chip->irq_eoi(&desc->irq_data);
-}
-
-#endif /* CONFIG_CPM2 */
-
static void __init mpc85xx_ads_pic_init(void)
{
- struct mpic *mpic;
- struct resource r;
- struct device_node *np = NULL;
-#ifdef CONFIG_CPM2
- int irq;
-#endif
-
- np = of_find_node_by_type(np, "open-pic");
- if (!np) {
- printk(KERN_ERR "Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Could not map mpic register space\n");
- of_node_put(np);
- return;
- }
-
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
+ struct mpic *mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
- of_node_put(np);
-
mpic_init(mpic);
-#ifdef CONFIG_CPM2
- /* Setup CPM2 PIC */
- np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic");
- if (np == NULL) {
- printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n");
- return;
- }
- irq = irq_of_parse_and_map(np, 0);
-
- cpm2_pic_init(np);
- of_node_put(np);
- irq_set_chained_handler(irq, cpm2_cascade);
-#endif
+ mpc85xx_cpm2_pic_init();
}
/*
@@ -221,23 +175,7 @@ static void mpc85xx_ads_show_cpuinfo(struct seq_file *m)
seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
}
-static struct of_device_id __initdata of_bus_ids[] = {
- { .name = "soc", },
- { .type = "soc", },
- { .name = "cpm", },
- { .name = "localbus", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init declare_of_platform_devices(void)
-{
- of_platform_bus_probe(NULL, of_bus_ids, NULL);
-
- return 0;
-}
-machine_device_initcall(mpc85xx_ads, declare_of_platform_devices);
+machine_device_initcall(mpc85xx_ads, mpc85xx_common_publish_devices);
/*
* Called very early, device-tree isn't unflattened
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
index 66cb8d64079f..40f03da616a9 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
@@ -46,6 +46,8 @@
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
+#include "mpc85xx.h"
+
/* CADMUS info */
/* xxx - galak, move into device tree */
#define CADMUS_BASE (0xf8004000)
@@ -177,7 +179,7 @@ static irqreturn_t mpc85xx_8259_cascade_action(int irq, void *dev_id)
static struct irqaction mpc85xxcds_8259_irqaction = {
.handler = mpc85xx_8259_cascade_action,
- .flags = IRQF_SHARED,
+ .flags = IRQF_SHARED | IRQF_NO_THREAD,
.name = "8259 cascade",
};
#endif /* PPC_I8259 */
@@ -186,30 +188,10 @@ static struct irqaction mpc85xxcds_8259_irqaction = {
static void __init mpc85xx_cds_pic_init(void)
{
struct mpic *mpic;
- struct resource r;
- struct device_node *np = NULL;
-
- np = of_find_node_by_type(np, "open-pic");
-
- if (np == NULL) {
- printk(KERN_ERR "Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Failed to map mpic register space\n");
- of_node_put(np);
- return;
- }
-
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
+ mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
-
- /* Return the mpic node */
- of_node_put(np);
-
mpic_init(mpic);
}
@@ -330,19 +312,7 @@ static int __init mpc85xx_cds_probe(void)
return of_flat_dt_is_compatible(root, "MPC85xxCDS");
}
-static struct of_device_id __initdata of_bus_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init declare_of_platform_devices(void)
-{
- return of_platform_bus_probe(NULL, of_bus_ids, NULL);
-}
-machine_device_initcall(mpc85xx_cds, declare_of_platform_devices);
+machine_device_initcall(mpc85xx_cds, mpc85xx_common_publish_devices);
define_machine(mpc85xx_cds) {
.name = "MPC85xx CDS",
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index 1b9a8cf1873a..eefbb91e1d61 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -35,6 +35,9 @@
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
+#include "smp.h"
+
+#include "mpc85xx.h"
#undef DEBUG
@@ -60,43 +63,27 @@ static void mpc85xx_8259_cascade(unsigned int irq, struct irq_desc *desc)
void __init mpc85xx_ds_pic_init(void)
{
struct mpic *mpic;
- struct resource r;
- struct device_node *np;
#ifdef CONFIG_PPC_I8259
+ struct device_node *np;
struct device_node *cascade_node = NULL;
int cascade_irq;
#endif
unsigned long root = of_get_flat_dt_root();
- np = of_find_node_by_type(NULL, "open-pic");
- if (np == NULL) {
- printk(KERN_ERR "Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Failed to map mpic register space\n");
- of_node_put(np);
- return;
- }
-
if (of_flat_dt_is_compatible(root, "fsl,MPC8572DS-CAMP")) {
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY |
+ mpic = mpic_alloc(NULL, 0,
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
} else {
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET |
+ mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
}
BUG_ON(mpic == NULL);
- of_node_put(np);
-
mpic_init(mpic);
#ifdef CONFIG_PPC_I8259
@@ -152,9 +139,6 @@ static int mpc85xx_exclude_device(struct pci_controller *hose,
/*
* Setup the architecture
*/
-#ifdef CONFIG_SMP
-extern void __init mpc85xx_smp_init(void);
-#endif
static void __init mpc85xx_ds_setup_arch(void)
{
#ifdef CONFIG_PCI
@@ -187,9 +171,7 @@ static void __init mpc85xx_ds_setup_arch(void)
ppc_md.pci_exclude_device = mpc85xx_exclude_device;
#endif
-#ifdef CONFIG_SMP
mpc85xx_smp_init();
-#endif
#ifdef CONFIG_SWIOTLB
if (memblock_end_of_DRAM() > max) {
@@ -219,21 +201,9 @@ static int __init mpc8544_ds_probe(void)
return 0;
}
-static struct of_device_id __initdata mpc85xxds_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init mpc85xxds_publish_devices(void)
-{
- return of_platform_bus_probe(NULL, mpc85xxds_ids, NULL);
-}
-machine_device_initcall(mpc8544_ds, mpc85xxds_publish_devices);
-machine_device_initcall(mpc8572_ds, mpc85xxds_publish_devices);
-machine_device_initcall(p2020_ds, mpc85xxds_publish_devices);
+machine_device_initcall(mpc8544_ds, mpc85xx_common_publish_devices);
+machine_device_initcall(mpc8572_ds, mpc85xx_common_publish_devices);
+machine_device_initcall(p2020_ds, mpc85xx_common_publish_devices);
machine_arch_initcall(mpc8544_ds, swiotlb_setup_bus_notifier);
machine_arch_initcall(mpc8572_ds, swiotlb_setup_bus_notifier);
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index a23a3ff634c5..1d15a0cd2c82 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -51,6 +51,9 @@
#include <asm/qe_ic.h>
#include <asm/mpic.h>
#include <asm/swiotlb.h>
+#include "smp.h"
+
+#include "mpc85xx.h"
#undef DEBUG
#ifdef DEBUG
@@ -153,30 +156,7 @@ static int mpc8568_mds_phy_fixups(struct phy_device *phydev)
* Setup the architecture
*
*/
-#ifdef CONFIG_SMP
-extern void __init mpc85xx_smp_init(void);
-#endif
-
#ifdef CONFIG_QUICC_ENGINE
-static struct of_device_id mpc85xx_qe_ids[] __initdata = {
- { .type = "qe", },
- { .compatible = "fsl,qe", },
- { },
-};
-
-static void __init mpc85xx_publish_qe_devices(void)
-{
- struct device_node *np;
-
- np = of_find_compatible_node(NULL, NULL, "fsl,qe");
- if (!of_device_is_available(np)) {
- of_node_put(np);
- return;
- }
-
- of_platform_bus_probe(NULL, mpc85xx_qe_ids, NULL);
-}
-
static void __init mpc85xx_mds_reset_ucc_phys(void)
{
struct device_node *np;
@@ -347,7 +327,6 @@ static void __init mpc85xx_mds_qeic_init(void)
of_node_put(np);
}
#else
-static void __init mpc85xx_publish_qe_devices(void) { }
static void __init mpc85xx_mds_qe_init(void) { }
static void __init mpc85xx_mds_qeic_init(void) { }
#endif /* CONFIG_QUICC_ENGINE */
@@ -381,9 +360,7 @@ static void __init mpc85xx_mds_setup_arch(void)
}
#endif
-#ifdef CONFIG_SMP
mpc85xx_smp_init();
-#endif
mpc85xx_mds_qe_init();
@@ -429,24 +406,11 @@ machine_arch_initcall(mpc8568_mds, board_fixups);
machine_arch_initcall(mpc8569_mds, board_fixups);
static struct of_device_id mpc85xx_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- { .compatible = "fsl,rapidio-delta", },
{ .compatible = "fsl,mpc8548-guts", },
{ .compatible = "gpio-leds", },
{},
};
-static struct of_device_id p1021_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
static int __init mpc85xx_publish_devices(void)
{
if (machine_is(mpc8568_mds))
@@ -454,23 +418,15 @@ static int __init mpc85xx_publish_devices(void)
if (machine_is(mpc8569_mds))
simple_gpiochip_init("fsl,mpc8569mds-bcsr-gpio");
+ mpc85xx_common_publish_devices();
of_platform_bus_probe(NULL, mpc85xx_ids, NULL);
- mpc85xx_publish_qe_devices();
-
- return 0;
-}
-
-static int __init p1021_publish_devices(void)
-{
- of_platform_bus_probe(NULL, p1021_ids, NULL);
- mpc85xx_publish_qe_devices();
return 0;
}
machine_device_initcall(mpc8568_mds, mpc85xx_publish_devices);
machine_device_initcall(mpc8569_mds, mpc85xx_publish_devices);
-machine_device_initcall(p1021_mds, p1021_publish_devices);
+machine_device_initcall(p1021_mds, mpc85xx_common_publish_devices);
machine_arch_initcall(mpc8568_mds, swiotlb_setup_bus_notifier);
machine_arch_initcall(mpc8569_mds, swiotlb_setup_bus_notifier);
@@ -478,26 +434,11 @@ machine_arch_initcall(p1021_mds, swiotlb_setup_bus_notifier);
static void __init mpc85xx_mds_pic_init(void)
{
- struct mpic *mpic;
- struct resource r;
- struct device_node *np = NULL;
-
- np = of_find_node_by_type(NULL, "open-pic");
- if (!np)
- return;
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Failed to map mpic register space\n");
- of_node_put(np);
- return;
- }
-
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
+ struct mpic *mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
- of_node_put(np);
mpic_init(mpic);
mpc85xx_mds_qeic_init();
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
index f5ff9110c97e..ccf520e890be 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c
@@ -29,6 +29,9 @@
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
+#include "smp.h"
+
+#include "mpc85xx.h"
#undef DEBUG
@@ -42,49 +45,28 @@
void __init mpc85xx_rdb_pic_init(void)
{
struct mpic *mpic;
- struct resource r;
- struct device_node *np;
unsigned long root = of_get_flat_dt_root();
- np = of_find_node_by_type(NULL, "open-pic");
- if (np == NULL) {
- printk(KERN_ERR "Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Failed to map mpic register space\n");
- of_node_put(np);
- return;
- }
-
if (of_flat_dt_is_compatible(root, "fsl,MPC85XXRDB-CAMP")) {
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY |
+ mpic = mpic_alloc(NULL, 0,
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
} else {
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET |
+ mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
}
BUG_ON(mpic == NULL);
- of_node_put(np);
-
mpic_init(mpic);
-
}
/*
* Setup the architecture
*/
-#ifdef CONFIG_SMP
-extern void __init mpc85xx_smp_init(void);
-#endif
static void __init mpc85xx_rdb_setup_arch(void)
{
#ifdef CONFIG_PCI
@@ -102,27 +84,12 @@ static void __init mpc85xx_rdb_setup_arch(void)
#endif
-#ifdef CONFIG_SMP
mpc85xx_smp_init();
-#endif
-
printk(KERN_INFO "MPC85xx RDB board from Freescale Semiconductor\n");
}
-static struct of_device_id __initdata mpc85xxrdb_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init mpc85xxrdb_publish_devices(void)
-{
- return of_platform_bus_probe(NULL, mpc85xxrdb_ids, NULL);
-}
-machine_device_initcall(p2020_rdb, mpc85xxrdb_publish_devices);
-machine_device_initcall(p1020_rdb, mpc85xxrdb_publish_devices);
+machine_device_initcall(p2020_rdb, mpc85xx_common_publish_devices);
+machine_device_initcall(p1020_rdb, mpc85xx_common_publish_devices);
/*
* Called very early, device-tree isn't unflattened
diff --git a/arch/powerpc/platforms/85xx/p1010rdb.c b/arch/powerpc/platforms/85xx/p1010rdb.c
index d7387fa7f534..538bc3f57e9d 100644
--- a/arch/powerpc/platforms/85xx/p1010rdb.c
+++ b/arch/powerpc/platforms/85xx/p1010rdb.c
@@ -28,33 +28,18 @@
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
+#include "mpc85xx.h"
+
void __init p1010_rdb_pic_init(void)
{
- struct mpic *mpic;
- struct resource r;
- struct device_node *np;
-
- np = of_find_node_by_type(NULL, "open-pic");
- if (np == NULL) {
- printk(KERN_ERR "Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Failed to map mpic register space\n");
- of_node_put(np);
- return;
- }
-
- mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET |
- MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU,
+ struct mpic *mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
+ MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
- of_node_put(np);
mpic_init(mpic);
-
}
@@ -81,18 +66,7 @@ static void __init p1010_rdb_setup_arch(void)
printk(KERN_INFO "P1010 RDB board from Freescale Semiconductor\n");
}
-static struct of_device_id __initdata p1010rdb_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- {},
-};
-
-static int __init p1010rdb_publish_devices(void)
-{
- return of_platform_bus_probe(NULL, p1010rdb_ids, NULL);
-}
-machine_device_initcall(p1010_rdb, p1010rdb_publish_devices);
+machine_device_initcall(p1010_rdb, mpc85xx_common_publish_devices);
machine_arch_initcall(p1010_rdb, swiotlb_setup_bus_notifier);
/*
diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c
index fda15716fada..b0984ada3f83 100644
--- a/arch/powerpc/platforms/85xx/p1022_ds.c
+++ b/arch/powerpc/platforms/85xx/p1022_ds.c
@@ -25,7 +25,11 @@
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
+#include <asm/udbg.h>
#include <asm/fsl_guts.h>
+#include "smp.h"
+
+#include "mpc85xx.h"
#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
@@ -238,38 +242,15 @@ p1022ds_valid_monitor_port(enum fsl_diu_monitor_port port)
void __init p1022_ds_pic_init(void)
{
- struct mpic *mpic;
- struct resource r;
- struct device_node *np;
-
- np = of_find_node_by_type(NULL, "open-pic");
- if (!np) {
- pr_err("Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- pr_err("Failed to map mpic register space\n");
- of_node_put(np);
- return;
- }
-
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET |
+ struct mpic *mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
-
BUG_ON(mpic == NULL);
- of_node_put(np);
-
mpic_init(mpic);
}
-#ifdef CONFIG_SMP
-void __init mpc85xx_smp_init(void);
-#endif
-
/*
* Setup the architecture
*/
@@ -309,9 +290,7 @@ static void __init p1022_ds_setup_arch(void)
diu_ops.valid_monitor_port = p1022ds_valid_monitor_port;
#endif
-#ifdef CONFIG_SMP
mpc85xx_smp_init();
-#endif
#ifdef CONFIG_SWIOTLB
if (memblock_end_of_DRAM() > max) {
@@ -325,10 +304,6 @@ static void __init p1022_ds_setup_arch(void)
}
static struct of_device_id __initdata p1022_ds_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
/* So that the DMA channel nodes can be probed individually: */
{ .compatible = "fsl,eloplus-dma", },
{},
@@ -336,6 +311,7 @@ static struct of_device_id __initdata p1022_ds_ids[] = {
static int __init p1022_ds_publish_devices(void)
{
+ mpc85xx_common_publish_devices();
return of_platform_bus_probe(NULL, p1022_ds_ids, NULL);
}
machine_device_initcall(p1022_ds, p1022_ds_publish_devices);
diff --git a/arch/powerpc/platforms/85xx/p1023_rds.c b/arch/powerpc/platforms/85xx/p1023_rds.c
index 835e0b335bfa..d951e7027bb6 100644
--- a/arch/powerpc/platforms/85xx/p1023_rds.c
+++ b/arch/powerpc/platforms/85xx/p1023_rds.c
@@ -30,19 +30,18 @@
#include <asm/prom.h>
#include <asm/udbg.h>
#include <asm/mpic.h>
+#include "smp.h"
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
+#include "mpc85xx.h"
+
/* ************************************************************************
*
* Setup the architecture
*
*/
-#ifdef CONFIG_SMP
-void __init mpc85xx_smp_init(void);
-#endif
-
static void __init mpc85xx_rds_setup_arch(void)
{
struct device_node *np;
@@ -87,53 +86,19 @@ static void __init mpc85xx_rds_setup_arch(void)
fsl_add_bridge(np, 0);
#endif
-#ifdef CONFIG_SMP
mpc85xx_smp_init();
-#endif
-}
-
-static struct of_device_id p1023_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- {},
-};
-
-
-static int __init p1023_publish_devices(void)
-{
- of_platform_bus_probe(NULL, p1023_ids, NULL);
-
- return 0;
}
-machine_device_initcall(p1023_rds, p1023_publish_devices);
+machine_device_initcall(p1023_rds, mpc85xx_common_publish_devices);
static void __init mpc85xx_rds_pic_init(void)
{
- struct mpic *mpic;
- struct resource r;
- struct device_node *np = NULL;
-
- np = of_find_node_by_type(NULL, "open-pic");
- if (!np) {
- printk(KERN_ERR "Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Failed to map mpic register space\n");
- of_node_put(np);
- return;
- }
-
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
+ struct mpic *mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
- of_node_put(np);
mpic_init(mpic);
}
diff --git a/arch/powerpc/platforms/85xx/sbc8548.c b/arch/powerpc/platforms/85xx/sbc8548.c
index 14632a971225..184a50784617 100644
--- a/arch/powerpc/platforms/85xx/sbc8548.c
+++ b/arch/powerpc/platforms/85xx/sbc8548.c
@@ -48,35 +48,16 @@
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
+#include "mpc85xx.h"
+
static int sbc_rev;
static void __init sbc8548_pic_init(void)
{
- struct mpic *mpic;
- struct resource r;
- struct device_node *np = NULL;
-
- np = of_find_node_by_type(np, "open-pic");
-
- if (np == NULL) {
- printk(KERN_ERR "Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Failed to map mpic register space\n");
- of_node_put(np);
- return;
- }
-
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
+ struct mpic *mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
-
- /* Return the mpic node */
- of_node_put(np);
-
mpic_init(mpic);
}
@@ -149,21 +130,7 @@ static void sbc8548_show_cpuinfo(struct seq_file *m)
seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
}
-static struct of_device_id __initdata of_bus_ids[] = {
- { .name = "soc", },
- { .type = "soc", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init declare_of_platform_devices(void)
-{
- of_platform_bus_probe(NULL, of_bus_ids, NULL);
-
- return 0;
-}
-machine_device_initcall(sbc8548, declare_of_platform_devices);
+machine_device_initcall(sbc8548, mpc85xx_common_publish_devices);
/*
* Called very early, device-tree isn't unflattened
diff --git a/arch/powerpc/platforms/85xx/sbc8560.c b/arch/powerpc/platforms/85xx/sbc8560.c
index cebd786dc334..940752e93051 100644
--- a/arch/powerpc/platforms/85xx/sbc8560.c
+++ b/arch/powerpc/platforms/85xx/sbc8560.c
@@ -32,68 +32,22 @@
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
+#include "mpc85xx.h"
+
#ifdef CONFIG_CPM2
#include <asm/cpm2.h>
#include <sysdev/cpm2_pic.h>
#endif
-#ifdef CONFIG_CPM2
-
-static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
-{
- struct irq_chip *chip = irq_desc_get_chip(desc);
- int cascade_irq;
-
- while ((cascade_irq = cpm2_get_irq()) >= 0)
- generic_handle_irq(cascade_irq);
-
- chip->irq_eoi(&desc->irq_data);
-}
-
-#endif /* CONFIG_CPM2 */
-
static void __init sbc8560_pic_init(void)
{
- struct mpic *mpic;
- struct resource r;
- struct device_node *np = NULL;
-#ifdef CONFIG_CPM2
- int irq;
-#endif
-
- np = of_find_node_by_type(np, "open-pic");
- if (!np) {
- printk(KERN_ERR "Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Could not map mpic register space\n");
- of_node_put(np);
- return;
- }
-
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
+ struct mpic *mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
- of_node_put(np);
-
mpic_init(mpic);
-#ifdef CONFIG_CPM2
- /* Setup CPM2 PIC */
- np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic");
- if (np == NULL) {
- printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n");
- return;
- }
- irq = irq_of_parse_and_map(np, 0);
-
- cpm2_pic_init(np);
- of_node_put(np);
- irq_set_chained_handler(irq, cpm2_cascade);
-#endif
+ mpc85xx_cpm2_pic_init();
}
/*
@@ -208,23 +162,7 @@ static void sbc8560_show_cpuinfo(struct seq_file *m)
seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
}
-static struct of_device_id __initdata of_bus_ids[] = {
- { .name = "soc", },
- { .type = "soc", },
- { .name = "cpm", },
- { .name = "localbus", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init declare_of_platform_devices(void)
-{
- of_platform_bus_probe(NULL, of_bus_ids, NULL);
-
- return 0;
-}
-machine_device_initcall(sbc8560, declare_of_platform_devices);
+machine_device_initcall(sbc8560, mpc85xx_common_publish_devices);
/*
* Called very early, device-tree isn't unflattened
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c
index 2df4785ffd4e..ff4249044a3c 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -27,6 +27,7 @@
#include <sysdev/fsl_soc.h>
#include <sysdev/mpic.h>
+#include "smp.h"
extern void __early_start(void);
diff --git a/arch/powerpc/platforms/85xx/smp.h b/arch/powerpc/platforms/85xx/smp.h
new file mode 100644
index 000000000000..e2b44933ff19
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/smp.h
@@ -0,0 +1,15 @@
+#ifndef POWERPC_85XX_SMP_H_
+#define POWERPC_85XX_SMP_H_ 1
+
+#include <linux/init.h>
+
+#ifdef CONFIG_SMP
+void __init mpc85xx_smp_init(void);
+#else
+static inline void mpc85xx_smp_init(void)
+{
+ /* Nothing to do */
+}
+#endif
+
+#endif /* not POWERPC_85XX_SMP_H_ */
diff --git a/arch/powerpc/platforms/85xx/socrates.c b/arch/powerpc/platforms/85xx/socrates.c
index 747d8fb3ab82..18f635906b27 100644
--- a/arch/powerpc/platforms/85xx/socrates.c
+++ b/arch/powerpc/platforms/85xx/socrates.c
@@ -41,32 +41,17 @@
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
+#include "mpc85xx.h"
#include "socrates_fpga_pic.h"
static void __init socrates_pic_init(void)
{
- struct mpic *mpic;
- struct resource r;
struct device_node *np;
- np = of_find_node_by_type(NULL, "open-pic");
- if (!np) {
- printk(KERN_ERR "Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Could not map mpic register space\n");
- of_node_put(np);
- return;
- }
-
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
+ struct mpic *mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
- of_node_put(np);
-
mpic_init(mpic);
np = of_find_compatible_node(NULL, NULL, "abb,socrates-fpga-pic");
@@ -96,17 +81,7 @@ static void __init socrates_setup_arch(void)
#endif
}
-static struct of_device_id __initdata socrates_of_bus_ids[] = {
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init socrates_publish_devices(void)
-{
- return of_platform_bus_probe(NULL, socrates_of_bus_ids, NULL);
-}
-machine_device_initcall(socrates, socrates_publish_devices);
+machine_device_initcall(socrates, mpc85xx_common_publish_devices);
/*
* Called very early, device-tree isn't unflattened
diff --git a/arch/powerpc/platforms/85xx/stx_gp3.c b/arch/powerpc/platforms/85xx/stx_gp3.c
index 5387e9f06bdb..e9e5234b4e76 100644
--- a/arch/powerpc/platforms/85xx/stx_gp3.c
+++ b/arch/powerpc/platforms/85xx/stx_gp3.c
@@ -40,70 +40,21 @@
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
+#include "mpc85xx.h"
+
#ifdef CONFIG_CPM2
#include <asm/cpm2.h>
-#include <sysdev/cpm2_pic.h>
-
-static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
-{
- struct irq_chip *chip = irq_desc_get_chip(desc);
- int cascade_irq;
-
- while ((cascade_irq = cpm2_get_irq()) >= 0)
- generic_handle_irq(cascade_irq);
-
- chip->irq_eoi(&desc->irq_data);
-}
#endif /* CONFIG_CPM2 */
static void __init stx_gp3_pic_init(void)
{
- struct mpic *mpic;
- struct resource r;
- struct device_node *np;
-#ifdef CONFIG_CPM2
- int irq;
-#endif
-
- np = of_find_node_by_type(NULL, "open-pic");
- if (!np) {
- printk(KERN_ERR "Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Could not map mpic register space\n");
- of_node_put(np);
- return;
- }
-
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
+ struct mpic *mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
- of_node_put(np);
-
mpic_init(mpic);
-#ifdef CONFIG_CPM2
- /* Setup CPM2 PIC */
- np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic");
- if (np == NULL) {
- printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n");
- return;
- }
- irq = irq_of_parse_and_map(np, 0);
-
- if (irq == NO_IRQ) {
- of_node_put(np);
- printk(KERN_ERR "PIC init: got no IRQ for cpm cascade\n");
- return;
- }
-
- cpm2_pic_init(np);
- of_node_put(np);
- irq_set_chained_handler(irq, cpm2_cascade);
-#endif
+ mpc85xx_cpm2_pic_init();
}
/*
@@ -144,19 +95,7 @@ static void stx_gp3_show_cpuinfo(struct seq_file *m)
seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
}
-static struct of_device_id __initdata of_bus_ids[] = {
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init declare_of_platform_devices(void)
-{
- of_platform_bus_probe(NULL, of_bus_ids, NULL);
-
- return 0;
-}
-machine_device_initcall(stx_gp3, declare_of_platform_devices);
+machine_device_initcall(stx_gp3, mpc85xx_common_publish_devices);
/*
* Called very early, device-tree isn't unflattened
diff --git a/arch/powerpc/platforms/85xx/tqm85xx.c b/arch/powerpc/platforms/85xx/tqm85xx.c
index 325de772725a..bf7c89fb75bb 100644
--- a/arch/powerpc/platforms/85xx/tqm85xx.c
+++ b/arch/powerpc/platforms/85xx/tqm85xx.c
@@ -38,70 +38,21 @@
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
+#include "mpc85xx.h"
+
#ifdef CONFIG_CPM2
#include <asm/cpm2.h>
-#include <sysdev/cpm2_pic.h>
-
-static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
-{
- struct irq_chip *chip = irq_desc_get_chip(desc);
- int cascade_irq;
-
- while ((cascade_irq = cpm2_get_irq()) >= 0)
- generic_handle_irq(cascade_irq);
-
- chip->irq_eoi(&desc->irq_data);
-}
#endif /* CONFIG_CPM2 */
static void __init tqm85xx_pic_init(void)
{
- struct mpic *mpic;
- struct resource r;
- struct device_node *np;
-#ifdef CONFIG_CPM2
- int irq;
-#endif
-
- np = of_find_node_by_type(NULL, "open-pic");
- if (!np) {
- printk(KERN_ERR "Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Could not map mpic register space\n");
- of_node_put(np);
- return;
- }
-
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
+ struct mpic *mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
- of_node_put(np);
-
mpic_init(mpic);
-#ifdef CONFIG_CPM2
- /* Setup CPM2 PIC */
- np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic");
- if (np == NULL) {
- printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n");
- return;
- }
- irq = irq_of_parse_and_map(np, 0);
-
- if (irq == NO_IRQ) {
- of_node_put(np);
- printk(KERN_ERR "PIC init: got no IRQ for cpm cascade\n");
- return;
- }
-
- cpm2_pic_init(np);
- of_node_put(np);
- irq_set_chained_handler(irq, cpm2_cascade);
-#endif
+ mpc85xx_cpm2_pic_init();
}
/*
@@ -173,19 +124,7 @@ static void __init tqm85xx_ti1520_fixup(struct pci_dev *pdev)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520,
tqm85xx_ti1520_fixup);
-static struct of_device_id __initdata of_bus_ids[] = {
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init declare_of_platform_devices(void)
-{
- of_platform_bus_probe(NULL, of_bus_ids, NULL);
-
- return 0;
-}
-machine_device_initcall(tqm85xx, declare_of_platform_devices);
+machine_device_initcall(tqm85xx, mpc85xx_common_publish_devices);
static const char *board[] __initdata = {
"tqc,tqm8540",
diff --git a/arch/powerpc/platforms/85xx/xes_mpc85xx.c b/arch/powerpc/platforms/85xx/xes_mpc85xx.c
index a9dc5e795123..3a69f8b77de6 100644
--- a/arch/powerpc/platforms/85xx/xes_mpc85xx.c
+++ b/arch/powerpc/platforms/85xx/xes_mpc85xx.c
@@ -32,6 +32,9 @@
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
+#include "smp.h"
+
+#include "mpc85xx.h"
/* A few bit definitions needed for fixups on some boards */
#define MPC85xx_L2CTL_L2E 0x80000000 /* L2 enable */
@@ -40,29 +43,11 @@
void __init xes_mpc85xx_pic_init(void)
{
- struct mpic *mpic;
- struct resource r;
- struct device_node *np;
-
- np = of_find_node_by_type(NULL, "open-pic");
- if (np == NULL) {
- printk(KERN_ERR "Could not find open-pic node\n");
- return;
- }
-
- if (of_address_to_resource(np, 0, &r)) {
- printk(KERN_ERR "Failed to map mpic register space\n");
- of_node_put(np);
- return;
- }
-
- mpic = mpic_alloc(np, r.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET |
+ struct mpic *mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
- of_node_put(np);
-
mpic_init(mpic);
}
@@ -136,9 +121,6 @@ static int primary_phb_addr;
/*
* Setup the architecture
*/
-#ifdef CONFIG_SMP
-extern void __init mpc85xx_smp_init(void);
-#endif
static void __init xes_mpc85xx_setup_arch(void)
{
#ifdef CONFIG_PCI
@@ -172,26 +154,12 @@ static void __init xes_mpc85xx_setup_arch(void)
}
#endif
-#ifdef CONFIG_SMP
mpc85xx_smp_init();
-#endif
}
-static struct of_device_id __initdata xes_mpc85xx_ids[] = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .compatible = "simple-bus", },
- { .compatible = "gianfar", },
- {},
-};
-
-static int __init xes_mpc85xx_publish_devices(void)
-{
- return of_platform_bus_probe(NULL, xes_mpc85xx_ids, NULL);
-}
-machine_device_initcall(xes_mpc8572, xes_mpc85xx_publish_devices);
-machine_device_initcall(xes_mpc8548, xes_mpc85xx_publish_devices);
-machine_device_initcall(xes_mpc8540, xes_mpc85xx_publish_devices);
+machine_device_initcall(xes_mpc8572, mpc85xx_common_publish_devices);
+machine_device_initcall(xes_mpc8548, mpc85xx_common_publish_devices);
+machine_device_initcall(xes_mpc8540, mpc85xx_common_publish_devices);
/*
* Called very early, device-tree isn't unflattened
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index b11c3535f350..569262ca499a 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -161,7 +161,7 @@ mpc86xx_time_init(void)
static __initdata struct of_device_id of_bus_ids[] = {
{ .compatible = "simple-bus", },
- { .compatible = "fsl,rapidio-delta", },
+ { .compatible = "fsl,srio", },
{ .compatible = "gianfar", },
{},
};
diff --git a/arch/powerpc/platforms/86xx/pic.c b/arch/powerpc/platforms/86xx/pic.c
index 8ef8960abda6..52bbfa031531 100644
--- a/arch/powerpc/platforms/86xx/pic.c
+++ b/arch/powerpc/platforms/86xx/pic.c
@@ -31,26 +31,16 @@ static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc)
void __init mpc86xx_init_irq(void)
{
- struct mpic *mpic;
- struct device_node *np;
- struct resource res;
#ifdef CONFIG_PPC_I8259
+ struct device_node *np;
struct device_node *cascade_node = NULL;
int cascade_irq;
#endif
- /* Determine PIC address. */
- np = of_find_node_by_type(NULL, "open-pic");
- if (np == NULL)
- return;
- of_address_to_resource(np, 0, &res);
-
- mpic = mpic_alloc(np, res.start,
- MPIC_PRIMARY | MPIC_WANTS_RESET |
- MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
- MPIC_SINGLE_DEST_CPU,
+ struct mpic *mpic = mpic_alloc(NULL, 0,
+ MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
+ MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU,
0, 256, " MPIC ");
- of_node_put(np);
BUG_ON(mpic == NULL);
mpic_init(mpic);
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 3fe6d927ad70..0cfb46d54b8c 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -175,9 +175,6 @@ config PPC_INDIRECT_MMIO
config PPC_IO_WORKAROUNDS
bool
-config GENERIC_IOMAP
- bool
-
source "drivers/cpufreq/Kconfig"
menu "CPU Frequency drivers"
@@ -211,6 +208,12 @@ config PPC_PASEMI_CPUFREQ
endmenu
+menu "CPUIdle driver"
+
+source "drivers/cpuidle/Kconfig"
+
+endmenu
+
config PPC601_SYNC_FIX
bool "Workarounds for PPC601 bugs"
depends on 6xx && (PPC_PREP || PPC_PMAC)
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index fbecae0fbb49..425db18580a2 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -174,7 +174,6 @@ config BOOKE
config FSL_BOOKE
bool
depends on (E200 || E500) && PPC32
- select SYS_SUPPORTS_HUGETLBFS if PHYS_64BIT
default y
# this is for common code between PPC32 & PPC64 FSL BOOKE
@@ -182,6 +181,7 @@ config PPC_FSL_BOOK3E
bool
select FSL_EMB_PERFMON
select PPC_SMP_MUXED_IPI
+ select SYS_SUPPORTS_HUGETLBFS if PHYS_64BIT || PPC64
default y if FSL_BOOKE
config PTE_64BIT
@@ -236,7 +236,7 @@ config VSX
config PPC_ICSWX
bool "Support for PowerPC icswx coprocessor instruction"
- depends on POWER4
+ depends on POWER4 || PPC_A2
default n
---help---
@@ -252,6 +252,25 @@ config PPC_ICSWX
If in doubt, say N here.
+config PPC_ICSWX_PID
+ bool "icswx requires direct PID management"
+ depends on PPC_ICSWX && POWER4
+ default y
+ ---help---
+ The PID register in server is used explicitly for ICSWX. In
+ embedded systems PID managment is done by the system.
+
+config PPC_ICSWX_USE_SIGILL
+ bool "Should a bad CT cause a SIGILL?"
+ depends on PPC_ICSWX
+ default n
+ ---help---
+ Should a bad CT used for "non-record form ICSWX" cause an
+ illegal intruction signal or should it be silent as
+ architected.
+
+ If in doubt, say N here.
+
config SPE
bool "SPE Support"
depends on E200 || (E500 && !PPC_E500MC)
@@ -290,7 +309,7 @@ config PPC_BOOK3E_MMU
config PPC_MM_SLICES
bool
- default y if (PPC64 && HUGETLB_PAGE) || (PPC_STD_MMU_64 && PPC_64K_PAGES)
+ default y if (!PPC_FSL_BOOK3E && PPC64 && HUGETLB_PAGE) || (PPC_STD_MMU_64 && PPC_64K_PAGES)
default n
config VIRT_CPU_ACCOUNTING
diff --git a/arch/powerpc/platforms/cell/cbe_thermal.c b/arch/powerpc/platforms/cell/cbe_thermal.c
index 4d4c8c169124..94560db788bf 100644
--- a/arch/powerpc/platforms/cell/cbe_thermal.c
+++ b/arch/powerpc/platforms/cell/cbe_thermal.c
@@ -46,7 +46,7 @@
*/
#include <linux/module.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/cpu.h>
#include <asm/spu.h>
@@ -59,8 +59,8 @@
#define TEMP_MIN 65
#define TEMP_MAX 125
-#define SYSDEV_PREFIX_ATTR(_prefix,_name,_mode) \
-struct sysdev_attribute attr_ ## _prefix ## _ ## _name = { \
+#define DEVICE_PREFIX_ATTR(_prefix,_name,_mode) \
+struct device_attribute attr_ ## _prefix ## _ ## _name = { \
.attr = { .name = __stringify(_name), .mode = _mode }, \
.show = _prefix ## _show_ ## _name, \
.store = _prefix ## _store_ ## _name, \
@@ -76,36 +76,36 @@ static inline u8 temp_to_reg(u8 temp)
return ((temp - TEMP_MIN) >> 1) & 0x3f;
}
-static struct cbe_pmd_regs __iomem *get_pmd_regs(struct sys_device *sysdev)
+static struct cbe_pmd_regs __iomem *get_pmd_regs(struct device *dev)
{
struct spu *spu;
- spu = container_of(sysdev, struct spu, sysdev);
+ spu = container_of(dev, struct spu, dev);
return cbe_get_pmd_regs(spu_devnode(spu));
}
/* returns the value for a given spu in a given register */
-static u8 spu_read_register_value(struct sys_device *sysdev, union spe_reg __iomem *reg)
+static u8 spu_read_register_value(struct device *dev, union spe_reg __iomem *reg)
{
union spe_reg value;
struct spu *spu;
- spu = container_of(sysdev, struct spu, sysdev);
+ spu = container_of(dev, struct spu, dev);
value.val = in_be64(&reg->val);
return value.spe[spu->spe_id];
}
-static ssize_t spu_show_temp(struct sys_device *sysdev, struct sysdev_attribute *attr,
+static ssize_t spu_show_temp(struct device *dev, struct device_attribute *attr,
char *buf)
{
u8 value;
struct cbe_pmd_regs __iomem *pmd_regs;
- pmd_regs = get_pmd_regs(sysdev);
+ pmd_regs = get_pmd_regs(dev);
- value = spu_read_register_value(sysdev, &pmd_regs->ts_ctsr1);
+ value = spu_read_register_value(dev, &pmd_regs->ts_ctsr1);
return sprintf(buf, "%d\n", reg_to_temp(value));
}
@@ -147,48 +147,48 @@ static ssize_t store_throttle(struct cbe_pmd_regs __iomem *pmd_regs, const char
return size;
}
-static ssize_t spu_show_throttle_end(struct sys_device *sysdev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t spu_show_throttle_end(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- return show_throttle(get_pmd_regs(sysdev), buf, 0);
+ return show_throttle(get_pmd_regs(dev), buf, 0);
}
-static ssize_t spu_show_throttle_begin(struct sys_device *sysdev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t spu_show_throttle_begin(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- return show_throttle(get_pmd_regs(sysdev), buf, 8);
+ return show_throttle(get_pmd_regs(dev), buf, 8);
}
-static ssize_t spu_show_throttle_full_stop(struct sys_device *sysdev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t spu_show_throttle_full_stop(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- return show_throttle(get_pmd_regs(sysdev), buf, 16);
+ return show_throttle(get_pmd_regs(dev), buf, 16);
}
-static ssize_t spu_store_throttle_end(struct sys_device *sysdev,
- struct sysdev_attribute *attr, const char *buf, size_t size)
+static ssize_t spu_store_throttle_end(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
{
- return store_throttle(get_pmd_regs(sysdev), buf, size, 0);
+ return store_throttle(get_pmd_regs(dev), buf, size, 0);
}
-static ssize_t spu_store_throttle_begin(struct sys_device *sysdev,
- struct sysdev_attribute *attr, const char *buf, size_t size)
+static ssize_t spu_store_throttle_begin(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
{
- return store_throttle(get_pmd_regs(sysdev), buf, size, 8);
+ return store_throttle(get_pmd_regs(dev), buf, size, 8);
}
-static ssize_t spu_store_throttle_full_stop(struct sys_device *sysdev,
- struct sysdev_attribute *attr, const char *buf, size_t size)
+static ssize_t spu_store_throttle_full_stop(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
{
- return store_throttle(get_pmd_regs(sysdev), buf, size, 16);
+ return store_throttle(get_pmd_regs(dev), buf, size, 16);
}
-static ssize_t ppe_show_temp(struct sys_device *sysdev, char *buf, int pos)
+static ssize_t ppe_show_temp(struct device *dev, char *buf, int pos)
{
struct cbe_pmd_regs __iomem *pmd_regs;
u64 value;
- pmd_regs = cbe_get_cpu_pmd_regs(sysdev->id);
+ pmd_regs = cbe_get_cpu_pmd_regs(dev->id);
value = in_be64(&pmd_regs->ts_ctsr2);
value = (value >> pos) & 0x3f;
@@ -199,64 +199,64 @@ static ssize_t ppe_show_temp(struct sys_device *sysdev, char *buf, int pos)
/* shows the temperature of the DTS on the PPE,
* located near the linear thermal sensor */
-static ssize_t ppe_show_temp0(struct sys_device *sysdev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t ppe_show_temp0(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- return ppe_show_temp(sysdev, buf, 32);
+ return ppe_show_temp(dev, buf, 32);
}
/* shows the temperature of the second DTS on the PPE */
-static ssize_t ppe_show_temp1(struct sys_device *sysdev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t ppe_show_temp1(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- return ppe_show_temp(sysdev, buf, 0);
+ return ppe_show_temp(dev, buf, 0);
}
-static ssize_t ppe_show_throttle_end(struct sys_device *sysdev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t ppe_show_throttle_end(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- return show_throttle(cbe_get_cpu_pmd_regs(sysdev->id), buf, 32);
+ return show_throttle(cbe_get_cpu_pmd_regs(dev->id), buf, 32);
}
-static ssize_t ppe_show_throttle_begin(struct sys_device *sysdev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t ppe_show_throttle_begin(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- return show_throttle(cbe_get_cpu_pmd_regs(sysdev->id), buf, 40);
+ return show_throttle(cbe_get_cpu_pmd_regs(dev->id), buf, 40);
}
-static ssize_t ppe_show_throttle_full_stop(struct sys_device *sysdev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t ppe_show_throttle_full_stop(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- return show_throttle(cbe_get_cpu_pmd_regs(sysdev->id), buf, 48);
+ return show_throttle(cbe_get_cpu_pmd_regs(dev->id), buf, 48);
}
-static ssize_t ppe_store_throttle_end(struct sys_device *sysdev,
- struct sysdev_attribute *attr, const char *buf, size_t size)
+static ssize_t ppe_store_throttle_end(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
{
- return store_throttle(cbe_get_cpu_pmd_regs(sysdev->id), buf, size, 32);
+ return store_throttle(cbe_get_cpu_pmd_regs(dev->id), buf, size, 32);
}
-static ssize_t ppe_store_throttle_begin(struct sys_device *sysdev,
- struct sysdev_attribute *attr, const char *buf, size_t size)
+static ssize_t ppe_store_throttle_begin(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
{
- return store_throttle(cbe_get_cpu_pmd_regs(sysdev->id), buf, size, 40);
+ return store_throttle(cbe_get_cpu_pmd_regs(dev->id), buf, size, 40);
}
-static ssize_t ppe_store_throttle_full_stop(struct sys_device *sysdev,
- struct sysdev_attribute *attr, const char *buf, size_t size)
+static ssize_t ppe_store_throttle_full_stop(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
{
- return store_throttle(cbe_get_cpu_pmd_regs(sysdev->id), buf, size, 48);
+ return store_throttle(cbe_get_cpu_pmd_regs(dev->id), buf, size, 48);
}
-static struct sysdev_attribute attr_spu_temperature = {
+static struct device_attribute attr_spu_temperature = {
.attr = {.name = "temperature", .mode = 0400 },
.show = spu_show_temp,
};
-static SYSDEV_PREFIX_ATTR(spu, throttle_end, 0600);
-static SYSDEV_PREFIX_ATTR(spu, throttle_begin, 0600);
-static SYSDEV_PREFIX_ATTR(spu, throttle_full_stop, 0600);
+static DEVICE_PREFIX_ATTR(spu, throttle_end, 0600);
+static DEVICE_PREFIX_ATTR(spu, throttle_begin, 0600);
+static DEVICE_PREFIX_ATTR(spu, throttle_full_stop, 0600);
static struct attribute *spu_attributes[] = {
@@ -272,19 +272,19 @@ static struct attribute_group spu_attribute_group = {
.attrs = spu_attributes,
};
-static struct sysdev_attribute attr_ppe_temperature0 = {
+static struct device_attribute attr_ppe_temperature0 = {
.attr = {.name = "temperature0", .mode = 0400 },
.show = ppe_show_temp0,
};
-static struct sysdev_attribute attr_ppe_temperature1 = {
+static struct device_attribute attr_ppe_temperature1 = {
.attr = {.name = "temperature1", .mode = 0400 },
.show = ppe_show_temp1,
};
-static SYSDEV_PREFIX_ATTR(ppe, throttle_end, 0600);
-static SYSDEV_PREFIX_ATTR(ppe, throttle_begin, 0600);
-static SYSDEV_PREFIX_ATTR(ppe, throttle_full_stop, 0600);
+static DEVICE_PREFIX_ATTR(ppe, throttle_end, 0600);
+static DEVICE_PREFIX_ATTR(ppe, throttle_begin, 0600);
+static DEVICE_PREFIX_ATTR(ppe, throttle_full_stop, 0600);
static struct attribute *ppe_attributes[] = {
&attr_ppe_temperature0.attr,
@@ -307,7 +307,7 @@ static int __init init_default_values(void)
{
int cpu;
struct cbe_pmd_regs __iomem *pmd_regs;
- struct sys_device *sysdev;
+ struct device *dev;
union ppe_spe_reg tpr;
union spe_reg str1;
u64 str2;
@@ -349,14 +349,14 @@ static int __init init_default_values(void)
for_each_possible_cpu (cpu) {
pr_debug("processing cpu %d\n", cpu);
- sysdev = get_cpu_sysdev(cpu);
+ dev = get_cpu_device(cpu);
- if (!sysdev) {
- pr_info("invalid sysdev pointer for cbe_thermal\n");
+ if (!dev) {
+ pr_info("invalid dev pointer for cbe_thermal\n");
return -EINVAL;
}
- pmd_regs = cbe_get_cpu_pmd_regs(sysdev->id);
+ pmd_regs = cbe_get_cpu_pmd_regs(dev->id);
if (!pmd_regs) {
pr_info("invalid CBE regs pointer for cbe_thermal\n");
@@ -379,8 +379,8 @@ static int __init thermal_init(void)
int rc = init_default_values();
if (rc == 0) {
- spu_add_sysdev_attr_group(&spu_attribute_group);
- cpu_add_sysdev_attr_group(&ppe_attribute_group);
+ spu_add_dev_attr_group(&spu_attribute_group);
+ cpu_add_dev_attr_group(&ppe_attribute_group);
}
return rc;
@@ -389,8 +389,8 @@ module_init(thermal_init);
static void __exit thermal_exit(void)
{
- spu_remove_sysdev_attr_group(&spu_attribute_group);
- cpu_remove_sysdev_attr_group(&ppe_attribute_group);
+ spu_remove_dev_attr_group(&spu_attribute_group);
+ cpu_remove_dev_attr_group(&ppe_attribute_group);
}
module_exit(thermal_exit);
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index 592c3d51b817..ae9fc7bc17d6 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -1037,6 +1037,8 @@ static int __init cell_iommu_fixed_mapping_init(void)
/* The fixed mapping is only supported on axon machines */
np = of_find_node_by_name(NULL, "axon");
+ of_node_put(np);
+
if (!np) {
pr_debug("iommu: fixed mapping disabled, no axons found\n");
return -1;
diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index 0fc9b7256126..62002a7edfed 100644
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -184,24 +184,10 @@ static int __init cell_publish_devices(void)
}
machine_subsys_initcall(cell, cell_publish_devices);
-static void cell_mpic_cascade(unsigned int irq, struct irq_desc *desc)
-{
- struct irq_chip *chip = irq_desc_get_chip(desc);
- struct mpic *mpic = irq_desc_get_handler_data(desc);
- unsigned int virq;
-
- virq = mpic_get_one_irq(mpic);
- if (virq != NO_IRQ)
- generic_handle_irq(virq);
-
- chip->irq_eoi(&desc->irq_data);
-}
-
static void __init mpic_init_IRQ(void)
{
struct device_node *dn;
struct mpic *mpic;
- unsigned int virq;
for (dn = NULL;
(dn = of_find_node_by_name(dn, "interrupt-controller"));) {
@@ -211,19 +197,10 @@ static void __init mpic_init_IRQ(void)
/* The MPIC driver will get everything it needs from the
* device-tree, just pass 0 to all arguments
*/
- mpic = mpic_alloc(dn, 0, 0, 0, 0, " MPIC ");
+ mpic = mpic_alloc(dn, 0, MPIC_SECONDARY, 0, 0, " MPIC ");
if (mpic == NULL)
continue;
mpic_init(mpic);
-
- virq = irq_of_parse_and_map(dn, 0);
- if (virq == NO_IRQ)
- continue;
-
- printk(KERN_INFO "%s : hooking up to IRQ %d\n",
- dn->full_name, virq);
- irq_set_handler_data(virq, mpic);
- irq_set_chained_handler(virq, cell_mpic_cascade);
}
}
diff --git a/arch/powerpc/platforms/cell/smp.c b/arch/powerpc/platforms/cell/smp.c
index f5c5c762d5a3..4a255cf8cd17 100644
--- a/arch/powerpc/platforms/cell/smp.c
+++ b/arch/powerpc/platforms/cell/smp.c
@@ -23,7 +23,7 @@
#include <linux/spinlock.h>
#include <linux/cache.h>
#include <linux/err.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
#include <linux/cpu.h>
#include <asm/ptrace.h>
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index e94d3ecdd8bb..8b1213993b10 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -519,31 +519,32 @@ void spu_init_channels(struct spu *spu)
}
EXPORT_SYMBOL_GPL(spu_init_channels);
-static struct sysdev_class spu_sysdev_class = {
+static struct bus_type spu_subsys = {
.name = "spu",
+ .dev_name = "spu",
};
-int spu_add_sysdev_attr(struct sysdev_attribute *attr)
+int spu_add_dev_attr(struct device_attribute *attr)
{
struct spu *spu;
mutex_lock(&spu_full_list_mutex);
list_for_each_entry(spu, &spu_full_list, full_list)
- sysdev_create_file(&spu->sysdev, attr);
+ device_create_file(&spu->dev, attr);
mutex_unlock(&spu_full_list_mutex);
return 0;
}
-EXPORT_SYMBOL_GPL(spu_add_sysdev_attr);
+EXPORT_SYMBOL_GPL(spu_add_dev_attr);
-int spu_add_sysdev_attr_group(struct attribute_group *attrs)
+int spu_add_dev_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) {
- rc = sysfs_create_group(&spu->sysdev.kobj, attrs);
+ rc = sysfs_create_group(&spu->dev.kobj, attrs);
/* we're in trouble here, but try unwinding anyway */
if (rc) {
@@ -552,7 +553,7 @@ int spu_add_sysdev_attr_group(struct attribute_group *attrs)
list_for_each_entry_continue_reverse(spu,
&spu_full_list, full_list)
- sysfs_remove_group(&spu->sysdev.kobj, attrs);
+ sysfs_remove_group(&spu->dev.kobj, attrs);
break;
}
}
@@ -561,45 +562,45 @@ int spu_add_sysdev_attr_group(struct attribute_group *attrs)
return rc;
}
-EXPORT_SYMBOL_GPL(spu_add_sysdev_attr_group);
+EXPORT_SYMBOL_GPL(spu_add_dev_attr_group);
-void spu_remove_sysdev_attr(struct sysdev_attribute *attr)
+void spu_remove_dev_attr(struct device_attribute *attr)
{
struct spu *spu;
mutex_lock(&spu_full_list_mutex);
list_for_each_entry(spu, &spu_full_list, full_list)
- sysdev_remove_file(&spu->sysdev, attr);
+ device_remove_file(&spu->dev, attr);
mutex_unlock(&spu_full_list_mutex);
}
-EXPORT_SYMBOL_GPL(spu_remove_sysdev_attr);
+EXPORT_SYMBOL_GPL(spu_remove_dev_attr);
-void spu_remove_sysdev_attr_group(struct attribute_group *attrs)
+void spu_remove_dev_attr_group(struct attribute_group *attrs)
{
struct spu *spu;
mutex_lock(&spu_full_list_mutex);
list_for_each_entry(spu, &spu_full_list, full_list)
- sysfs_remove_group(&spu->sysdev.kobj, attrs);
+ sysfs_remove_group(&spu->dev.kobj, attrs);
mutex_unlock(&spu_full_list_mutex);
}
-EXPORT_SYMBOL_GPL(spu_remove_sysdev_attr_group);
+EXPORT_SYMBOL_GPL(spu_remove_dev_attr_group);
-static int spu_create_sysdev(struct spu *spu)
+static int spu_create_dev(struct spu *spu)
{
int ret;
- spu->sysdev.id = spu->number;
- spu->sysdev.cls = &spu_sysdev_class;
- ret = sysdev_register(&spu->sysdev);
+ spu->dev.id = spu->number;
+ spu->dev.bus = &spu_subsys;
+ ret = device_register(&spu->dev);
if (ret) {
printk(KERN_ERR "Can't register SPU %d with sysfs\n",
spu->number);
return ret;
}
- sysfs_add_device_to_node(&spu->sysdev, spu->node);
+ sysfs_add_device_to_node(&spu->dev, spu->node);
return 0;
}
@@ -635,7 +636,7 @@ static int __init create_spu(void *data)
if (ret)
goto out_destroy;
- ret = spu_create_sysdev(spu);
+ ret = spu_create_dev(spu);
if (ret)
goto out_free_irqs;
@@ -692,10 +693,10 @@ static unsigned long long spu_acct_time(struct spu *spu,
}
-static ssize_t spu_stat_show(struct sys_device *sysdev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t spu_stat_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- struct spu *spu = container_of(sysdev, struct spu, sysdev);
+ struct spu *spu = container_of(dev, struct spu, dev);
return sprintf(buf, "%s %llu %llu %llu %llu "
"%llu %llu %llu %llu %llu %llu %llu %llu\n",
@@ -714,7 +715,7 @@ static ssize_t spu_stat_show(struct sys_device *sysdev,
spu->stats.libassist);
}
-static SYSDEV_ATTR(stat, 0644, spu_stat_show, NULL);
+static DEVICE_ATTR(stat, 0644, spu_stat_show, NULL);
#ifdef CONFIG_KEXEC
@@ -813,8 +814,8 @@ static int __init init_spu_base(void)
if (!spu_management_ops)
goto out;
- /* create sysdev class for spus */
- ret = sysdev_class_register(&spu_sysdev_class);
+ /* create system subsystem for spus */
+ ret = subsys_system_register(&spu_subsys, NULL);
if (ret)
goto out;
@@ -823,7 +824,7 @@ static int __init init_spu_base(void)
if (ret < 0) {
printk(KERN_WARNING "%s: Error initializing spus\n",
__func__);
- goto out_unregister_sysdev_class;
+ goto out_unregister_subsys;
}
if (ret > 0)
@@ -833,15 +834,15 @@ static int __init init_spu_base(void)
xmon_register_spus(&spu_full_list);
crash_register_spus(&spu_full_list);
mutex_unlock(&spu_full_list_mutex);
- spu_add_sysdev_attr(&attr_stat);
+ spu_add_dev_attr(&dev_attr_stat);
register_syscore_ops(&spu_syscore_ops);
spu_init_affinity();
return 0;
- out_unregister_sysdev_class:
- sysdev_class_unregister(&spu_sysdev_class);
+ out_unregister_subsys:
+ bus_unregister(&spu_subsys);
out:
return ret;
}
diff --git a/arch/powerpc/platforms/cell/spu_syscalls.c b/arch/powerpc/platforms/cell/spu_syscalls.c
index 75530d99eda6..714bbfc3162c 100644
--- a/arch/powerpc/platforms/cell/spu_syscalls.c
+++ b/arch/powerpc/platforms/cell/spu_syscalls.c
@@ -65,8 +65,8 @@ static inline void spufs_calls_put(struct spufs_calls *calls) { }
#endif /* CONFIG_SPU_FS_MODULE */
-asmlinkage long sys_spu_create(const char __user *name,
- unsigned int flags, mode_t mode, int neighbor_fd)
+SYSCALL_DEFINE4(spu_create, const char __user *, name, unsigned int, flags,
+ umode_t, mode, int, neighbor_fd)
{
long ret;
struct file *neighbor;
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index e481f6b9a789..d4a094ca96f3 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -74,7 +74,6 @@ spufs_alloc_inode(struct super_block *sb)
static void spufs_i_callback(struct rcu_head *head)
{
struct inode *inode = container_of(head, struct inode, i_rcu);
- INIT_LIST_HEAD(&inode->i_dentry);
kmem_cache_free(spufs_inode_cache, SPUFS_I(inode));
}
@@ -92,7 +91,7 @@ spufs_init_once(void *p)
}
static struct inode *
-spufs_new_inode(struct super_block *sb, int mode)
+spufs_new_inode(struct super_block *sb, umode_t mode)
{
struct inode *inode;
@@ -124,7 +123,7 @@ spufs_setattr(struct dentry *dentry, struct iattr *attr)
static int
spufs_new_file(struct super_block *sb, struct dentry *dentry,
- const struct file_operations *fops, int mode,
+ const struct file_operations *fops, umode_t mode,
size_t size, struct spu_context *ctx)
{
static const struct inode_operations spufs_file_iops = {
@@ -194,7 +193,7 @@ static int spufs_rmdir(struct inode *parent, struct dentry *dir)
}
static int spufs_fill_dir(struct dentry *dir,
- const struct spufs_tree_descr *files, int mode,
+ const struct spufs_tree_descr *files, umode_t mode,
struct spu_context *ctx)
{
struct dentry *dentry, *tmp;
@@ -264,7 +263,7 @@ EXPORT_SYMBOL_GPL(spufs_context_fops);
static int
spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags,
- int mode)
+ umode_t mode)
{
int ret;
struct inode *inode;
@@ -447,7 +446,7 @@ spufs_set_affinity(unsigned int flags, struct spu_context *ctx,
static int
spufs_create_context(struct inode *inode, struct dentry *dentry,
- struct vfsmount *mnt, int flags, int mode,
+ struct vfsmount *mnt, int flags, umode_t mode,
struct file *aff_filp)
{
int ret;
@@ -521,7 +520,7 @@ out:
}
static int
-spufs_mkgang(struct inode *dir, struct dentry *dentry, int mode)
+spufs_mkgang(struct inode *dir, struct dentry *dentry, umode_t mode)
{
int ret;
struct inode *inode;
@@ -584,7 +583,7 @@ out:
static int spufs_create_gang(struct inode *inode,
struct dentry *dentry,
- struct vfsmount *mnt, int mode)
+ struct vfsmount *mnt, umode_t mode)
{
int ret;
@@ -612,7 +611,7 @@ out:
static struct file_system_type spufs_type;
long spufs_create(struct path *path, struct dentry *dentry,
- unsigned int flags, mode_t mode, struct file *filp)
+ unsigned int flags, umode_t mode, struct file *filp)
{
int ret;
diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index 099245f230b2..67852ade4c01 100644
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -237,7 +237,7 @@ struct spufs_inode_info {
struct spufs_tree_descr {
const char *name;
const struct file_operations *ops;
- int mode;
+ umode_t mode;
size_t size;
};
@@ -249,7 +249,7 @@ extern const struct spufs_tree_descr spufs_dir_debug_contents[];
extern struct spufs_calls spufs_calls;
long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *status);
long spufs_create(struct path *nd, struct dentry *dentry, unsigned int flags,
- mode_t mode, struct file *filp);
+ umode_t mode, struct file *filp);
/* ELF coredump callbacks for writing SPU ELF notes */
extern int spufs_coredump_extra_notes_size(void);
extern int spufs_coredump_extra_notes_write(struct file *file, loff_t *foffset);
diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c
index 71a5b5207266..8591bb62d7fc 100644
--- a/arch/powerpc/platforms/cell/spufs/syscalls.c
+++ b/arch/powerpc/platforms/cell/spufs/syscalls.c
@@ -60,7 +60,7 @@ out:
}
static long do_spu_create(const char __user *pathname, unsigned int flags,
- mode_t mode, struct file *neighbor)
+ umode_t mode, struct file *neighbor)
{
struct path path;
struct dentry *dentry;
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index 122786498419..f1f17bb2c33c 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -435,8 +435,7 @@ static void __init chrp_find_openpic(void)
if (len > 1)
isu_size = iranges[3];
- chrp_mpic = mpic_alloc(np, opaddr, MPIC_PRIMARY,
- isu_size, 0, " MPIC ");
+ chrp_mpic = mpic_alloc(np, opaddr, 0, isu_size, 0, " MPIC ");
if (chrp_mpic == NULL) {
printk(KERN_ERR "Failed to allocate MPIC structure\n");
goto bail;
diff --git a/arch/powerpc/platforms/embedded6xx/holly.c b/arch/powerpc/platforms/embedded6xx/holly.c
index 2e9bcf6444c8..9cfcf20c0560 100644
--- a/arch/powerpc/platforms/embedded6xx/holly.c
+++ b/arch/powerpc/platforms/embedded6xx/holly.c
@@ -148,30 +148,14 @@ static void __init holly_setup_arch(void)
static void __init holly_init_IRQ(void)
{
struct mpic *mpic;
- phys_addr_t mpic_paddr = 0;
- struct device_node *tsi_pic;
#ifdef CONFIG_PCI
unsigned int cascade_pci_irq;
struct device_node *tsi_pci;
struct device_node *cascade_node = NULL;
#endif
- tsi_pic = of_find_node_by_type(NULL, "open-pic");
- if (tsi_pic) {
- unsigned int size;
- const void *prop = of_get_property(tsi_pic, "reg", &size);
- mpic_paddr = of_translate_address(tsi_pic, prop);
- }
-
- if (mpic_paddr == 0) {
- printk(KERN_ERR "%s: No tsi108 PIC found !\n", __func__);
- return;
- }
-
- pr_debug("%s: tsi108 pic phys_addr = 0x%x\n", __func__, (u32) mpic_paddr);
-
- mpic = mpic_alloc(tsi_pic, mpic_paddr,
- MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
+ mpic = mpic_alloc(NULL, 0,
+ MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
MPIC_SPV_EOI | MPIC_NO_PTHROU_DIS | MPIC_REGSET_TSI108,
24,
NR_IRQS-4, /* num_sources used */
@@ -179,7 +163,7 @@ static void __init holly_init_IRQ(void)
BUG_ON(mpic == NULL);
- mpic_assign_isu(mpic, 0, mpic_paddr + 0x100);
+ mpic_assign_isu(mpic, 0, mpic->paddr + 0x100);
mpic_init(mpic);
@@ -204,7 +188,6 @@ static void __init holly_init_IRQ(void)
#endif
/* Configure MPIC outputs to CPU0 */
tsi108_write_reg(TSI108_MPIC_OFFSET + 0x30c, 0);
- of_node_put(tsi_pic);
}
void holly_show_cpuinfo(struct seq_file *m)
diff --git a/arch/powerpc/platforms/embedded6xx/linkstation.c b/arch/powerpc/platforms/embedded6xx/linkstation.c
index 244f997de791..bcfad92c9cec 100644
--- a/arch/powerpc/platforms/embedded6xx/linkstation.c
+++ b/arch/powerpc/platforms/embedded6xx/linkstation.c
@@ -81,29 +81,19 @@ static void __init linkstation_setup_arch(void)
static void __init linkstation_init_IRQ(void)
{
struct mpic *mpic;
- struct device_node *dnp;
- const u32 *prop;
- int size;
- phys_addr_t paddr;
- dnp = of_find_node_by_type(NULL, "open-pic");
- if (dnp == NULL)
- return;
-
- prop = of_get_property(dnp, "reg", &size);
- paddr = (phys_addr_t)of_translate_address(dnp, prop);
-
- mpic = mpic_alloc(dnp, paddr, MPIC_PRIMARY | MPIC_WANTS_RESET, 4, 32, " EPIC ");
+ mpic = mpic_alloc(NULL, 0, MPIC_WANTS_RESET,
+ 4, 32, " EPIC ");
BUG_ON(mpic == NULL);
/* PCI IRQs */
- mpic_assign_isu(mpic, 0, paddr + 0x10200);
+ mpic_assign_isu(mpic, 0, mpic->paddr + 0x10200);
/* I2C */
- mpic_assign_isu(mpic, 1, paddr + 0x11000);
+ mpic_assign_isu(mpic, 1, mpic->paddr + 0x11000);
/* ttyS0, ttyS1 */
- mpic_assign_isu(mpic, 2, paddr + 0x11100);
+ mpic_assign_isu(mpic, 2, mpic->paddr + 0x11100);
mpic_init(mpic);
}
diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
index f8f33e16c6b6..f3350d786f5b 100644
--- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
+++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
@@ -102,31 +102,14 @@ static void __init mpc7448_hpc2_setup_arch(void)
static void __init mpc7448_hpc2_init_IRQ(void)
{
struct mpic *mpic;
- phys_addr_t mpic_paddr = 0;
- struct device_node *tsi_pic;
#ifdef CONFIG_PCI
unsigned int cascade_pci_irq;
struct device_node *tsi_pci;
struct device_node *cascade_node = NULL;
#endif
- tsi_pic = of_find_node_by_type(NULL, "open-pic");
- if (tsi_pic) {
- unsigned int size;
- const void *prop = of_get_property(tsi_pic, "reg", &size);
- mpic_paddr = of_translate_address(tsi_pic, prop);
- }
-
- if (mpic_paddr == 0) {
- printk("%s: No tsi108 PIC found !\n", __func__);
- return;
- }
-
- DBG("%s: tsi108 pic phys_addr = 0x%x\n", __func__,
- (u32) mpic_paddr);
-
- mpic = mpic_alloc(tsi_pic, mpic_paddr,
- MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
+ mpic = mpic_alloc(NULL, 0,
+ MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
MPIC_SPV_EOI | MPIC_NO_PTHROU_DIS | MPIC_REGSET_TSI108,
24,
NR_IRQS-4, /* num_sources used */
@@ -134,7 +117,7 @@ static void __init mpc7448_hpc2_init_IRQ(void)
BUG_ON(mpic == NULL);
- mpic_assign_isu(mpic, 0, mpic_paddr + 0x100);
+ mpic_assign_isu(mpic, 0, mpic->paddr + 0x100);
mpic_init(mpic);
@@ -159,7 +142,6 @@ static void __init mpc7448_hpc2_init_IRQ(void)
#endif
/* Configure MPIC outputs to CPU0 */
tsi108_write_reg(TSI108_MPIC_OFFSET + 0x30c, 0);
- of_node_put(tsi_pic);
}
void mpc7448_hpc2_show_cpuinfo(struct seq_file *m)
diff --git a/arch/powerpc/platforms/embedded6xx/storcenter.c b/arch/powerpc/platforms/embedded6xx/storcenter.c
index f1eebcae9bf0..afa638834965 100644
--- a/arch/powerpc/platforms/embedded6xx/storcenter.c
+++ b/arch/powerpc/platforms/embedded6xx/storcenter.c
@@ -83,35 +83,17 @@ static void __init storcenter_setup_arch(void)
static void __init storcenter_init_IRQ(void)
{
struct mpic *mpic;
- struct device_node *dnp;
- const void *prop;
- int size;
- phys_addr_t paddr;
-
- dnp = of_find_node_by_type(NULL, "open-pic");
- if (dnp == NULL)
- return;
-
- prop = of_get_property(dnp, "reg", &size);
- if (prop == NULL) {
- of_node_put(dnp);
- return;
- }
-
- paddr = (phys_addr_t)of_translate_address(dnp, prop);
- mpic = mpic_alloc(dnp, paddr, MPIC_PRIMARY | MPIC_WANTS_RESET,
- 16, 32, " OpenPIC ");
-
- of_node_put(dnp);
+ mpic = mpic_alloc(NULL, 0, MPIC_WANTS_RESET,
+ 16, 32, " OpenPIC ");
BUG_ON(mpic == NULL);
/*
* 16 Serial Interrupts followed by 16 Internal Interrupts.
* I2C is the second internal, so it is at 17, 0x11020.
*/
- mpic_assign_isu(mpic, 0, paddr + 0x10200);
- mpic_assign_isu(mpic, 1, paddr + 0x11000);
+ mpic_assign_isu(mpic, 0, mpic->paddr + 0x10200);
+ mpic_assign_isu(mpic, 1, mpic->paddr + 0x11000);
mpic_init(mpic);
}
diff --git a/arch/powerpc/platforms/embedded6xx/wii.c b/arch/powerpc/platforms/embedded6xx/wii.c
index 1b5dc1a2e145..6d8dadf19f0b 100644
--- a/arch/powerpc/platforms/embedded6xx/wii.c
+++ b/arch/powerpc/platforms/embedded6xx/wii.c
@@ -79,24 +79,19 @@ void __init wii_memory_fixups(void)
BUG_ON(memblock.memory.cnt != 2);
BUG_ON(!page_aligned(p[0].base) || !page_aligned(p[1].base));
- p[0].size = _ALIGN_DOWN(p[0].size, PAGE_SIZE);
- p[1].size = _ALIGN_DOWN(p[1].size, PAGE_SIZE);
+ /* trim unaligned tail */
+ memblock_remove(ALIGN(p[1].base + p[1].size, PAGE_SIZE),
+ (phys_addr_t)ULLONG_MAX);
- wii_hole_start = p[0].base + p[0].size;
+ /* determine hole, add & reserve them */
+ wii_hole_start = ALIGN(p[0].base + p[0].size, PAGE_SIZE);
wii_hole_size = p[1].base - wii_hole_start;
-
- pr_info("MEM1: <%08llx %08llx>\n", p[0].base, p[0].size);
- pr_info("HOLE: <%08lx %08lx>\n", wii_hole_start, wii_hole_size);
- pr_info("MEM2: <%08llx %08llx>\n", p[1].base, p[1].size);
-
- p[0].size += wii_hole_size + p[1].size;
-
- memblock.memory.cnt = 1;
- memblock_analyze();
-
- /* reserve the hole */
+ memblock_add(wii_hole_start, wii_hole_size);
memblock_reserve(wii_hole_start, wii_hole_size);
+ BUG_ON(memblock.memory.cnt != 1);
+ __memblock_dump_all();
+
/* allow ioremapping the address space in the hole */
__allow_ioremap_reserved = 1;
}
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index ea0acbd8966d..8fc62586a973 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -563,7 +563,8 @@ static void yield_shared_processor(void)
static void iseries_shared_idle(void)
{
while (1) {
- tick_nohz_stop_sched_tick(1);
+ tick_nohz_idle_enter();
+ rcu_idle_enter();
while (!need_resched() && !hvlpevent_is_pending()) {
local_irq_disable();
ppc64_runlatch_off();
@@ -577,7 +578,8 @@ static void iseries_shared_idle(void)
}
ppc64_runlatch_on();
- tick_nohz_restart_sched_tick();
+ rcu_idle_exit();
+ tick_nohz_idle_exit();
if (hvlpevent_is_pending())
process_iSeries_events();
@@ -593,7 +595,8 @@ static void iseries_dedicated_idle(void)
set_thread_flag(TIF_POLLING_NRFLAG);
while (1) {
- tick_nohz_stop_sched_tick(1);
+ tick_nohz_idle_enter();
+ rcu_idle_enter();
if (!need_resched()) {
while (!need_resched()) {
ppc64_runlatch_off();
@@ -610,7 +613,8 @@ static void iseries_dedicated_idle(void)
}
ppc64_runlatch_on();
- tick_nohz_restart_sched_tick();
+ rcu_idle_exit();
+ tick_nohz_idle_exit();
preempt_enable_no_resched();
schedule();
preempt_disable();
diff --git a/arch/powerpc/platforms/iseries/smp.c b/arch/powerpc/platforms/iseries/smp.c
index 7e2a5515ed76..02df49fb59f0 100644
--- a/arch/powerpc/platforms/iseries/smp.c
+++ b/arch/powerpc/platforms/iseries/smp.c
@@ -24,7 +24,7 @@
#include <linux/spinlock.h>
#include <linux/cache.h>
#include <linux/err.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
#include <linux/cpu.h>
#include <asm/ptrace.h>
diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c
index dd2e48b28508..401e3f3f74c8 100644
--- a/arch/powerpc/platforms/maple/pci.c
+++ b/arch/powerpc/platforms/maple/pci.c
@@ -207,6 +207,54 @@ static volatile void __iomem *u3_ht_cfg_access(struct pci_controller* hose,
return hose->cfg_data + u3_ht_cfa1(bus, devfn, offset);
}
+static int u3_ht_root_read_config(struct pci_controller *hose, u8 offset,
+ int len, u32 *val)
+{
+ volatile void __iomem *addr;
+
+ addr = hose->cfg_addr;
+ addr += ((offset & ~3) << 2) + (4 - len - (offset & 3));
+
+ switch (len) {
+ case 1:
+ *val = in_8(addr);
+ break;
+ case 2:
+ *val = in_be16(addr);
+ break;
+ default:
+ *val = in_be32(addr);
+ break;
+ }
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static int u3_ht_root_write_config(struct pci_controller *hose, u8 offset,
+ int len, u32 val)
+{
+ volatile void __iomem *addr;
+
+ addr = hose->cfg_addr + ((offset & ~3) << 2) + (4 - len - (offset & 3));
+
+ if (offset >= PCI_BASE_ADDRESS_0 && offset < PCI_CAPABILITY_LIST)
+ return PCIBIOS_SUCCESSFUL;
+
+ switch (len) {
+ case 1:
+ out_8(addr, val);
+ break;
+ case 2:
+ out_be16(addr, val);
+ break;
+ default:
+ out_be32(addr, val);
+ break;
+ }
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
static int u3_ht_read_config(struct pci_bus *bus, unsigned int devfn,
int offset, int len, u32 *val)
{
@@ -217,6 +265,9 @@ static int u3_ht_read_config(struct pci_bus *bus, unsigned int devfn,
if (hose == NULL)
return PCIBIOS_DEVICE_NOT_FOUND;
+ if (bus->number == hose->first_busno && devfn == PCI_DEVFN(0, 0))
+ return u3_ht_root_read_config(hose, offset, len, val);
+
if (offset > 0xff)
return PCIBIOS_BAD_REGISTER_NUMBER;
@@ -252,6 +303,9 @@ static int u3_ht_write_config(struct pci_bus *bus, unsigned int devfn,
if (hose == NULL)
return PCIBIOS_DEVICE_NOT_FOUND;
+ if (bus->number == hose->first_busno && devfn == PCI_DEVFN(0, 0))
+ return u3_ht_root_write_config(hose, offset, len, val);
+
if (offset > 0xff)
return PCIBIOS_BAD_REGISTER_NUMBER;
@@ -428,6 +482,7 @@ static void __init setup_u3_ht(struct pci_controller* hose)
* reg_property and using some accessor functions instead
*/
hose->cfg_data = ioremap(0xf2000000, 0x02000000);
+ hose->cfg_addr = ioremap(0xf8070000, 0x1000);
hose->first_busno = 0;
hose->last_busno = 0xef;
diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index 4c372047c94e..0bcbfe7b2c55 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -221,7 +221,7 @@ static void __init maple_init_IRQ(void)
unsigned long openpic_addr = 0;
int naddr, n, i, opplen, has_isus = 0;
struct mpic *mpic;
- unsigned int flags = MPIC_PRIMARY;
+ unsigned int flags = 0;
/* Locate MPIC in the device-tree. Note that there is a bug
* in Maple device-tree where the type of the controller is
diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c
index 6f3558210554..98b7a7c13176 100644
--- a/arch/powerpc/platforms/pasemi/setup.c
+++ b/arch/powerpc/platforms/pasemi/setup.c
@@ -224,7 +224,7 @@ static __init void pas_init_IRQ(void)
openpic_addr = of_read_number(opprop, naddr);
printk(KERN_DEBUG "OpenPIC addr: %lx\n", openpic_addr);
- mpic_flags = MPIC_PRIMARY | MPIC_LARGE_VECTORS | MPIC_NO_BIAS;
+ mpic_flags = MPIC_LARGE_VECTORS | MPIC_NO_BIAS;
nmiprop = of_get_property(mpic_node, "nmi-source", NULL);
if (nmiprop)
@@ -234,7 +234,7 @@ static __init void pas_init_IRQ(void)
mpic_flags, 0, 0, "PASEMI-OPIC");
BUG_ON(!mpic);
- mpic_assign_isu(mpic, 0, openpic_addr + 0x10000);
+ mpic_assign_isu(mpic, 0, mpic->paddr + 0x10000);
mpic_init(mpic);
/* The NMI/MCK source needs to be prio 15 */
if (nmiprop) {
diff --git a/arch/powerpc/platforms/powermac/cpufreq_32.c b/arch/powerpc/platforms/powermac/cpufreq_32.c
index 04af5f48b4eb..1fc386a23f18 100644
--- a/arch/powerpc/platforms/powermac/cpufreq_32.c
+++ b/arch/powerpc/platforms/powermac/cpufreq_32.c
@@ -23,7 +23,7 @@
#include <linux/pmu.h>
#include <linux/cpufreq.h>
#include <linux/init.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
#include <linux/hardirq.h>
#include <asm/prom.h>
#include <asm/machdep.h>
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 901bfbddc3dd..7761aabfc293 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -52,13 +52,8 @@ struct device_node *of_irq_dflt_pic;
/* Default addresses */
static volatile struct pmac_irq_hw __iomem *pmac_irq_hw[4];
-#define GC_LEVEL_MASK 0x3ff00000
-#define OHARE_LEVEL_MASK 0x1ff00000
-#define HEATHROW_LEVEL_MASK 0x1ff00000
-
static int max_irqs;
static int max_real_irqs;
-static u32 level_mask[4];
static DEFINE_RAW_SPINLOCK(pmac_pic_lock);
@@ -217,8 +212,7 @@ static irqreturn_t gatwick_action(int cpl, void *dev_id)
for (irq = max_irqs; (irq -= 32) >= max_real_irqs; ) {
int i = irq >> 5;
bits = in_le32(&pmac_irq_hw[i]->event) | ppc_lost_interrupts[i];
- /* We must read level interrupts from the level register */
- bits |= (in_le32(&pmac_irq_hw[i]->level) & level_mask[i]);
+ bits |= in_le32(&pmac_irq_hw[i]->level);
bits &= ppc_cached_irq_mask[i];
if (bits == 0)
continue;
@@ -248,8 +242,7 @@ static unsigned int pmac_pic_get_irq(void)
for (irq = max_real_irqs; (irq -= 32) >= 0; ) {
int i = irq >> 5;
bits = in_le32(&pmac_irq_hw[i]->event) | ppc_lost_interrupts[i];
- /* We must read level interrupts from the level register */
- bits |= (in_le32(&pmac_irq_hw[i]->level) & level_mask[i]);
+ bits |= in_le32(&pmac_irq_hw[i]->level);
bits &= ppc_cached_irq_mask[i];
if (bits == 0)
continue;
@@ -284,19 +277,14 @@ static int pmac_pic_host_match(struct irq_host *h, struct device_node *node)
static int pmac_pic_host_map(struct irq_host *h, unsigned int virq,
irq_hw_number_t hw)
{
- int level;
-
if (hw >= max_irqs)
return -EINVAL;
/* Mark level interrupts, set delayed disable for edge ones and set
* handlers
*/
- level = !!(level_mask[hw >> 5] & (1UL << (hw & 0x1f)));
- if (level)
- irq_set_status_flags(virq, IRQ_LEVEL);
- irq_set_chip_and_handler(virq, &pmac_pic,
- level ? handle_level_irq : handle_edge_irq);
+ irq_set_status_flags(virq, IRQ_LEVEL);
+ irq_set_chip_and_handler(virq, &pmac_pic, handle_level_irq);
return 0;
}
@@ -334,21 +322,14 @@ static void __init pmac_pic_probe_oldstyle(void)
if ((master = of_find_node_by_name(NULL, "gc")) != NULL) {
max_irqs = max_real_irqs = 32;
- level_mask[0] = GC_LEVEL_MASK;
} else if ((master = of_find_node_by_name(NULL, "ohare")) != NULL) {
max_irqs = max_real_irqs = 32;
- level_mask[0] = OHARE_LEVEL_MASK;
-
/* We might have a second cascaded ohare */
slave = of_find_node_by_name(NULL, "pci106b,7");
- if (slave) {
+ if (slave)
max_irqs = 64;
- level_mask[1] = OHARE_LEVEL_MASK;
- }
} else if ((master = of_find_node_by_name(NULL, "mac-io")) != NULL) {
max_irqs = max_real_irqs = 64;
- level_mask[0] = HEATHROW_LEVEL_MASK;
- level_mask[1] = 0;
/* We might have a second cascaded heathrow */
slave = of_find_node_by_name(master, "mac-io");
@@ -363,11 +344,8 @@ static void __init pmac_pic_probe_oldstyle(void)
}
/* We found a slave */
- if (slave) {
+ if (slave)
max_irqs = 128;
- level_mask[2] = HEATHROW_LEVEL_MASK;
- level_mask[3] = 0;
- }
}
BUG_ON(master == NULL);
@@ -464,18 +442,6 @@ int of_irq_map_oldworld(struct device_node *device, int index,
}
#endif /* CONFIG_PPC32 */
-static void pmac_u3_cascade(unsigned int irq, struct irq_desc *desc)
-{
- struct irq_chip *chip = irq_desc_get_chip(desc);
- struct mpic *mpic = irq_desc_get_handler_data(desc);
- unsigned int cascade_irq = mpic_get_one_irq(mpic);
-
- if (cascade_irq != NO_IRQ)
- generic_handle_irq(cascade_irq);
-
- chip->irq_eoi(&desc->irq_data);
-}
-
static void __init pmac_pic_setup_mpic_nmi(struct mpic *mpic)
{
#if defined(CONFIG_XMON) && defined(CONFIG_PPC32)
@@ -498,14 +464,8 @@ static struct mpic * __init pmac_setup_one_mpic(struct device_node *np,
int master)
{
const char *name = master ? " MPIC 1 " : " MPIC 2 ";
- struct resource r;
struct mpic *mpic;
- unsigned int flags = master ? MPIC_PRIMARY : 0;
- int rc;
-
- rc = of_address_to_resource(np, 0, &r);
- if (rc)
- return NULL;
+ unsigned int flags = master ? 0 : MPIC_SECONDARY;
pmac_call_feature(PMAC_FTR_ENABLE_MPIC, np, 0, 0);
@@ -519,7 +479,7 @@ static struct mpic * __init pmac_setup_one_mpic(struct device_node *np,
if (master && (flags & MPIC_BIG_ENDIAN))
flags |= MPIC_U3_HT_IRQS;
- mpic = mpic_alloc(np, r.start, flags, 0, 0, name);
+ mpic = mpic_alloc(np, 0, flags, 0, 0, name);
if (mpic == NULL)
return NULL;
@@ -532,7 +492,6 @@ static int __init pmac_pic_probe_mpic(void)
{
struct mpic *mpic1, *mpic2;
struct device_node *np, *master = NULL, *slave = NULL;
- unsigned int cascade;
/* We can have up to 2 MPICs cascaded */
for (np = NULL; (np = of_find_node_by_type(np, "open-pic"))
@@ -568,27 +527,14 @@ static int __init pmac_pic_probe_mpic(void)
of_node_put(master);
- /* No slave, let's go out */
- if (slave == NULL)
- return 0;
-
- /* Get/Map slave interrupt */
- cascade = irq_of_parse_and_map(slave, 0);
- if (cascade == NO_IRQ) {
- printk(KERN_ERR "Failed to map cascade IRQ\n");
- return 0;
- }
-
- mpic2 = pmac_setup_one_mpic(slave, 0);
- if (mpic2 == NULL) {
- printk(KERN_ERR "Failed to setup slave MPIC\n");
+ /* Set up a cascaded controller, if present */
+ if (slave) {
+ mpic2 = pmac_setup_one_mpic(slave, 0);
+ if (mpic2 == NULL)
+ printk(KERN_ERR "Failed to setup slave MPIC\n");
of_node_put(slave);
- return 0;
}
- irq_set_handler_data(cascade, mpic2);
- irq_set_chained_handler(cascade, pmac_u3_cascade);
- of_node_put(slave);
return 0;
}
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 96580b189ec2..970ea1de4298 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -494,11 +494,15 @@ static int __init pmac_declare_of_platform_devices(void)
return -1;
np = of_find_node_by_name(NULL, "valkyrie");
- if (np)
+ if (np) {
of_platform_device_create(np, "valkyrie", NULL);
+ of_node_put(np);
+ }
np = of_find_node_by_name(NULL, "platinum");
- if (np)
+ if (np) {
of_platform_device_create(np, "platinum", NULL);
+ of_node_put(np);
+ }
np = of_find_node_by_type(NULL, "smu");
if (np) {
of_platform_device_create(np, "smu", NULL);
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 9b6a820bdd7d..44d769258ebf 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -200,7 +200,7 @@ static int psurge_secondary_ipi_init(void)
if (psurge_secondary_virq)
rc = request_irq(psurge_secondary_virq, psurge_ipi_intr,
- IRQF_PERCPU, "IPI", NULL);
+ IRQF_PERCPU | IRQF_NO_THREAD, "IPI", NULL);
if (rc)
pr_err("Failed to setup secondary cpu IPI\n");
@@ -408,13 +408,13 @@ static int __init smp_psurge_kick_cpu(int nr)
static struct irqaction psurge_irqaction = {
.handler = psurge_ipi_intr,
- .flags = IRQF_PERCPU,
+ .flags = IRQF_PERCPU | IRQF_NO_THREAD,
.name = "primary IPI",
};
static void __init smp_psurge_setup_cpu(int cpu_nr)
{
- if (cpu_nr != 0)
+ if (cpu_nr != 0 || !psurge_start)
return;
/* reset the entry point so if we get another intr we won't
diff --git a/arch/powerpc/platforms/powernv/Makefile b/arch/powerpc/platforms/powernv/Makefile
index 31853008b418..bcc3cb48a44e 100644
--- a/arch/powerpc/platforms/powernv/Makefile
+++ b/arch/powerpc/platforms/powernv/Makefile
@@ -2,4 +2,4 @@ obj-y += setup.o opal-takeover.o opal-wrappers.o opal.o
obj-y += opal-rtc.o opal-nvram.o
obj-$(CONFIG_SMP) += smp.o
-obj-$(CONFIG_PCI) += pci.o pci-p5ioc2.o
+obj-$(CONFIG_PCI) += pci.o pci-p5ioc2.o pci-ioda.o
diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S
index 4a3f46d8533e..3bb07e5e43cd 100644
--- a/arch/powerpc/platforms/powernv/opal-wrappers.S
+++ b/arch/powerpc/platforms/powernv/opal-wrappers.S
@@ -99,3 +99,11 @@ OPAL_CALL(opal_write_oppanel, OPAL_WRITE_OPPANEL);
OPAL_CALL(opal_pci_map_pe_dma_window, OPAL_PCI_MAP_PE_DMA_WINDOW);
OPAL_CALL(opal_pci_map_pe_dma_window_real, OPAL_PCI_MAP_PE_DMA_WINDOW_REAL);
OPAL_CALL(opal_pci_reset, OPAL_PCI_RESET);
+OPAL_CALL(opal_pci_get_hub_diag_data, OPAL_PCI_GET_HUB_DIAG_DATA);
+OPAL_CALL(opal_pci_get_phb_diag_data, OPAL_PCI_GET_PHB_DIAG_DATA);
+OPAL_CALL(opal_pci_fence_phb, OPAL_PCI_FENCE_PHB);
+OPAL_CALL(opal_pci_reinit, OPAL_PCI_REINIT);
+OPAL_CALL(opal_pci_mask_pe_error, OPAL_PCI_MASK_PE_ERROR);
+OPAL_CALL(opal_set_slot_led_status, OPAL_SET_SLOT_LED_STATUS);
+OPAL_CALL(opal_get_epow_status, OPAL_GET_EPOW_STATUS);
+OPAL_CALL(opal_set_system_attention_led, OPAL_SET_SYSTEM_ATTENTION_LED);
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
new file mode 100644
index 000000000000..5e155dfc4320
--- /dev/null
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -0,0 +1,1341 @@
+/*
+ * Support PCI/PCIe on PowerNV platforms
+ *
+ * Copyright 2011 Benjamin Herrenschmidt, 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.
+ */
+
+#undef DEBUG
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/msi.h>
+
+#include <asm/sections.h>
+#include <asm/io.h>
+#include <asm/prom.h>
+#include <asm/pci-bridge.h>
+#include <asm/machdep.h>
+#include <asm/ppc-pci.h>
+#include <asm/opal.h>
+#include <asm/iommu.h>
+#include <asm/tce.h>
+#include <asm/abs_addr.h>
+
+#include "powernv.h"
+#include "pci.h"
+
+struct resource_wrap {
+ struct list_head link;
+ resource_size_t size;
+ resource_size_t align;
+ struct pci_dev *dev; /* Set if it's a device */
+ struct pci_bus *bus; /* Set if it's a bridge */
+};
+
+static int __pe_printk(const char *level, const struct pnv_ioda_pe *pe,
+ struct va_format *vaf)
+{
+ char pfix[32];
+
+ if (pe->pdev)
+ strlcpy(pfix, dev_name(&pe->pdev->dev), sizeof(pfix));
+ else
+ sprintf(pfix, "%04x:%02x ",
+ pci_domain_nr(pe->pbus), pe->pbus->number);
+ return printk("pci %s%s: [PE# %.3d] %pV", level, pfix, pe->pe_number, vaf);
+}
+
+#define define_pe_printk_level(func, kern_level) \
+static int func(const struct pnv_ioda_pe *pe, const char *fmt, ...) \
+{ \
+ struct va_format vaf; \
+ va_list args; \
+ int r; \
+ \
+ va_start(args, fmt); \
+ \
+ vaf.fmt = fmt; \
+ vaf.va = &args; \
+ \
+ r = __pe_printk(kern_level, pe, &vaf); \
+ va_end(args); \
+ \
+ return r; \
+} \
+
+define_pe_printk_level(pe_err, KERN_ERR);
+define_pe_printk_level(pe_warn, KERN_WARNING);
+define_pe_printk_level(pe_info, KERN_INFO);
+
+
+/* Calculate resource usage & alignment requirement of a single
+ * device. This will also assign all resources within the device
+ * for a given type starting at 0 for the biggest one and then
+ * assigning in decreasing order of size.
+ */
+static void __devinit pnv_ioda_calc_dev(struct pci_dev *dev, unsigned int flags,
+ resource_size_t *size,
+ resource_size_t *align)
+{
+ resource_size_t start;
+ struct resource *r;
+ int i;
+
+ pr_devel(" -> CDR %s\n", pci_name(dev));
+
+ *size = *align = 0;
+
+ /* Clear the resources out and mark them all unset */
+ for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
+ r = &dev->resource[i];
+ if (!(r->flags & flags))
+ continue;
+ if (r->start) {
+ r->end -= r->start;
+ r->start = 0;
+ }
+ r->flags |= IORESOURCE_UNSET;
+ }
+
+ /* We currently keep all memory resources together, we
+ * will handle prefetch & 64-bit separately in the future
+ * but for now we stick everybody in M32
+ */
+ start = 0;
+ for (;;) {
+ resource_size_t max_size = 0;
+ int max_no = -1;
+
+ /* Find next biggest resource */
+ for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
+ r = &dev->resource[i];
+ if (!(r->flags & IORESOURCE_UNSET) ||
+ !(r->flags & flags))
+ continue;
+ if (resource_size(r) > max_size) {
+ max_size = resource_size(r);
+ max_no = i;
+ }
+ }
+ if (max_no < 0)
+ break;
+ r = &dev->resource[max_no];
+ if (max_size > *align)
+ *align = max_size;
+ *size += max_size;
+ r->start = start;
+ start += max_size;
+ r->end = r->start + max_size - 1;
+ r->flags &= ~IORESOURCE_UNSET;
+ pr_devel(" -> R%d %016llx..%016llx\n",
+ max_no, r->start, r->end);
+ }
+ pr_devel(" <- CDR %s size=%llx align=%llx\n",
+ pci_name(dev), *size, *align);
+}
+
+/* Allocate a resource "wrap" for a given device or bridge and
+ * insert it at the right position in the sorted list
+ */
+static void __devinit pnv_ioda_add_wrap(struct list_head *list,
+ struct pci_bus *bus,
+ struct pci_dev *dev,
+ resource_size_t size,
+ resource_size_t align)
+{
+ struct resource_wrap *w1, *w = kzalloc(sizeof(*w), GFP_KERNEL);
+
+ w->size = size;
+ w->align = align;
+ w->dev = dev;
+ w->bus = bus;
+
+ list_for_each_entry(w1, list, link) {
+ if (w1->align < align) {
+ list_add_tail(&w->link, &w1->link);
+ return;
+ }
+ }
+ list_add_tail(&w->link, list);
+}
+
+/* Offset device resources of a given type */
+static void __devinit pnv_ioda_offset_dev(struct pci_dev *dev,
+ unsigned int flags,
+ resource_size_t offset)
+{
+ struct resource *r;
+ int i;
+
+ pr_devel(" -> ODR %s [%x] +%016llx\n", pci_name(dev), flags, offset);
+
+ for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
+ r = &dev->resource[i];
+ if (r->flags & flags) {
+ dev->resource[i].start += offset;
+ dev->resource[i].end += offset;
+ }
+ }
+
+ pr_devel(" <- ODR %s [%x] +%016llx\n", pci_name(dev), flags, offset);
+}
+
+/* Offset bus resources (& all children) of a given type */
+static void __devinit pnv_ioda_offset_bus(struct pci_bus *bus,
+ unsigned int flags,
+ resource_size_t offset)
+{
+ struct resource *r;
+ struct pci_dev *dev;
+ struct pci_bus *cbus;
+ int i;
+
+ pr_devel(" -> OBR %s [%x] +%016llx\n",
+ bus->self ? pci_name(bus->self) : "root", flags, offset);
+
+ pci_bus_for_each_resource(bus, r, i) {
+ if (r && (r->flags & flags)) {
+ r->start += offset;
+ r->end += offset;
+ }
+ }
+ list_for_each_entry(dev, &bus->devices, bus_list)
+ pnv_ioda_offset_dev(dev, flags, offset);
+ list_for_each_entry(cbus, &bus->children, node)
+ pnv_ioda_offset_bus(cbus, flags, offset);
+
+ pr_devel(" <- OBR %s [%x]\n",
+ bus->self ? pci_name(bus->self) : "root", flags);
+}
+
+/* This is the guts of our IODA resource allocation. This is called
+ * recursively for each bus in the system. It calculates all the
+ * necessary size and requirements for children and assign them
+ * resources such that:
+ *
+ * - Each function fits in it's own contiguous set of IO/M32
+ * segment
+ *
+ * - All segments behind a P2P bridge are contiguous and obey
+ * alignment constraints of those bridges
+ */
+static void __devinit pnv_ioda_calc_bus(struct pci_bus *bus, unsigned int flags,
+ resource_size_t *size,
+ resource_size_t *align)
+{
+ struct pci_controller *hose = pci_bus_to_host(bus);
+ struct pnv_phb *phb = hose->private_data;
+ resource_size_t dev_size, dev_align, start;
+ resource_size_t min_align, min_balign;
+ struct pci_dev *cdev;
+ struct pci_bus *cbus;
+ struct list_head head;
+ struct resource_wrap *w;
+ unsigned int bres;
+
+ *size = *align = 0;
+
+ pr_devel("-> CBR %s [%x]\n",
+ bus->self ? pci_name(bus->self) : "root", flags);
+
+ /* Calculate alignment requirements based on the type
+ * of resource we are working on
+ */
+ if (flags & IORESOURCE_IO) {
+ bres = 0;
+ min_align = phb->ioda.io_segsize;
+ min_balign = 0x1000;
+ } else {
+ bres = 1;
+ min_align = phb->ioda.m32_segsize;
+ min_balign = 0x100000;
+ }
+
+ /* Gather all our children resources ordered by alignment */
+ INIT_LIST_HEAD(&head);
+
+ /* - Busses */
+ list_for_each_entry(cbus, &bus->children, node) {
+ pnv_ioda_calc_bus(cbus, flags, &dev_size, &dev_align);
+ pnv_ioda_add_wrap(&head, cbus, NULL, dev_size, dev_align);
+ }
+
+ /* - Devices */
+ list_for_each_entry(cdev, &bus->devices, bus_list) {
+ pnv_ioda_calc_dev(cdev, flags, &dev_size, &dev_align);
+ /* Align them to segment size */
+ if (dev_align < min_align)
+ dev_align = min_align;
+ pnv_ioda_add_wrap(&head, NULL, cdev, dev_size, dev_align);
+ }
+ if (list_empty(&head))
+ goto empty;
+
+ /* Now we can do two things: assign offsets to them within that
+ * level and get our total alignment & size requirements. The
+ * assignment algorithm is going to be uber-trivial for now, we
+ * can try to be smarter later at filling out holes.
+ */
+ if (bus->self) {
+ /* No offset for downstream bridges */
+ start = 0;
+ } else {
+ /* Offset from the root */
+ if (flags & IORESOURCE_IO)
+ /* Don't hand out IO 0 */
+ start = hose->io_resource.start + 0x1000;
+ else
+ start = hose->mem_resources[0].start;
+ }
+ while(!list_empty(&head)) {
+ w = list_first_entry(&head, struct resource_wrap, link);
+ list_del(&w->link);
+ if (w->size) {
+ if (start) {
+ start = ALIGN(start, w->align);
+ if (w->dev)
+ pnv_ioda_offset_dev(w->dev,flags,start);
+ else if (w->bus)
+ pnv_ioda_offset_bus(w->bus,flags,start);
+ }
+ if (w->align > *align)
+ *align = w->align;
+ }
+ start += w->size;
+ kfree(w);
+ }
+ *size = start;
+
+ /* Align and setup bridge resources */
+ *align = max_t(resource_size_t, *align,
+ max_t(resource_size_t, min_align, min_balign));
+ *size = ALIGN(*size,
+ max_t(resource_size_t, min_align, min_balign));
+ empty:
+ /* Only setup P2P's, not the PHB itself */
+ if (bus->self) {
+ struct resource *res = bus->resource[bres];
+
+ if (WARN_ON(res == NULL))
+ return;
+
+ /*
+ * FIXME: We should probably export and call
+ * pci_bridge_check_ranges() to properly re-initialize
+ * the PCI portion of the flags here, and to detect
+ * what the bridge actually supports.
+ */
+ res->start = 0;
+ res->flags = (*size) ? flags : 0;
+ res->end = (*size) ? (*size - 1) : 0;
+ }
+
+ pr_devel("<- CBR %s [%x] *size=%016llx *align=%016llx\n",
+ bus->self ? pci_name(bus->self) : "root", flags,*size,*align);
+}
+
+static struct pci_dn *pnv_ioda_get_pdn(struct pci_dev *dev)
+{
+ struct device_node *np;
+
+ np = pci_device_to_OF_node(dev);
+ if (!np)
+ return NULL;
+ return PCI_DN(np);
+}
+
+static void __devinit pnv_ioda_setup_pe_segments(struct pci_dev *dev)
+{
+ struct pci_controller *hose = pci_bus_to_host(dev->bus);
+ struct pnv_phb *phb = hose->private_data;
+ struct pci_dn *pdn = pnv_ioda_get_pdn(dev);
+ unsigned int pe, i;
+ resource_size_t pos;
+ struct resource io_res;
+ struct resource m32_res;
+ struct pci_bus_region region;
+ int rc;
+
+ /* Anything not referenced in the device-tree gets PE#0 */
+ pe = pdn ? pdn->pe_number : 0;
+
+ /* Calculate the device min/max */
+ io_res.start = m32_res.start = (resource_size_t)-1;
+ io_res.end = m32_res.end = 0;
+ io_res.flags = IORESOURCE_IO;
+ m32_res.flags = IORESOURCE_MEM;
+
+ for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
+ struct resource *r = NULL;
+ if (dev->resource[i].flags & IORESOURCE_IO)
+ r = &io_res;
+ if (dev->resource[i].flags & IORESOURCE_MEM)
+ r = &m32_res;
+ if (!r)
+ continue;
+ if (dev->resource[i].start < r->start)
+ r->start = dev->resource[i].start;
+ if (dev->resource[i].end > r->end)
+ r->end = dev->resource[i].end;
+ }
+
+ /* Setup IO segments */
+ if (io_res.start < io_res.end) {
+ pcibios_resource_to_bus(dev, &region, &io_res);
+ pos = region.start;
+ i = pos / phb->ioda.io_segsize;
+ while(i < phb->ioda.total_pe && pos <= region.end) {
+ if (phb->ioda.io_segmap[i]) {
+ pr_err("%s: Trying to use IO seg #%d which is"
+ " already used by PE# %d\n",
+ pci_name(dev), i,
+ phb->ioda.io_segmap[i]);
+ /* XXX DO SOMETHING TO DISABLE DEVICE ? */
+ break;
+ }
+ phb->ioda.io_segmap[i] = pe;
+ rc = opal_pci_map_pe_mmio_window(phb->opal_id, pe,
+ OPAL_IO_WINDOW_TYPE,
+ 0, i);
+ if (rc != OPAL_SUCCESS) {
+ pr_err("%s: OPAL error %d setting up mapping"
+ " for IO seg# %d\n",
+ pci_name(dev), rc, i);
+ /* XXX DO SOMETHING TO DISABLE DEVICE ? */
+ break;
+ }
+ pos += phb->ioda.io_segsize;
+ i++;
+ };
+ }
+
+ /* Setup M32 segments */
+ if (m32_res.start < m32_res.end) {
+ pcibios_resource_to_bus(dev, &region, &m32_res);
+ pos = region.start;
+ i = pos / phb->ioda.m32_segsize;
+ while(i < phb->ioda.total_pe && pos <= region.end) {
+ if (phb->ioda.m32_segmap[i]) {
+ pr_err("%s: Trying to use M32 seg #%d which is"
+ " already used by PE# %d\n",
+ pci_name(dev), i,
+ phb->ioda.m32_segmap[i]);
+ /* XXX DO SOMETHING TO DISABLE DEVICE ? */
+ break;
+ }
+ phb->ioda.m32_segmap[i] = pe;
+ rc = opal_pci_map_pe_mmio_window(phb->opal_id, pe,
+ OPAL_M32_WINDOW_TYPE,
+ 0, i);
+ if (rc != OPAL_SUCCESS) {
+ pr_err("%s: OPAL error %d setting up mapping"
+ " for M32 seg# %d\n",
+ pci_name(dev), rc, i);
+ /* XXX DO SOMETHING TO DISABLE DEVICE ? */
+ break;
+ }
+ pos += phb->ioda.m32_segsize;
+ i++;
+ }
+ }
+}
+
+/* Check if a resource still fits in the total IO or M32 range
+ * for a given PHB
+ */
+static int __devinit pnv_ioda_resource_fit(struct pci_controller *hose,
+ struct resource *r)
+{
+ struct resource *bounds;
+
+ if (r->flags & IORESOURCE_IO)
+ bounds = &hose->io_resource;
+ else if (r->flags & IORESOURCE_MEM)
+ bounds = &hose->mem_resources[0];
+ else
+ return 1;
+
+ if (r->start >= bounds->start && r->end <= bounds->end)
+ return 1;
+ r->flags = 0;
+ return 0;
+}
+
+static void __devinit pnv_ioda_update_resources(struct pci_bus *bus)
+{
+ struct pci_controller *hose = pci_bus_to_host(bus);
+ struct pci_bus *cbus;
+ struct pci_dev *cdev;
+ unsigned int i;
+
+ /* We used to clear all device enables here. However it looks like
+ * clearing MEM enable causes Obsidian (IPR SCS) to go bonkers,
+ * and shoot fatal errors to the PHB which in turns fences itself
+ * and we can't recover from that ... yet. So for now, let's leave
+ * the enables as-is and hope for the best.
+ */
+
+ /* Check if bus resources fit in our IO or M32 range */
+ for (i = 0; bus->self && (i < 2); i++) {
+ struct resource *r = bus->resource[i];
+ if (r && !pnv_ioda_resource_fit(hose, r))
+ pr_err("%s: Bus %d resource %d disabled, no room\n",
+ pci_name(bus->self), bus->number, i);
+ }
+
+ /* Update self if it's not a PHB */
+ if (bus->self)
+ pci_setup_bridge(bus);
+
+ /* Update child devices */
+ list_for_each_entry(cdev, &bus->devices, bus_list) {
+ /* Check if resource fits, if not, disabled it */
+ for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
+ struct resource *r = &cdev->resource[i];
+ if (!pnv_ioda_resource_fit(hose, r))
+ pr_err("%s: Resource %d disabled, no room\n",
+ pci_name(cdev), i);
+ }
+
+ /* Assign segments */
+ pnv_ioda_setup_pe_segments(cdev);
+
+ /* Update HW BARs */
+ for (i = 0; i <= PCI_ROM_RESOURCE; i++)
+ pci_update_resource(cdev, i);
+ }
+
+ /* Update child busses */
+ list_for_each_entry(cbus, &bus->children, node)
+ pnv_ioda_update_resources(cbus);
+}
+
+static int __devinit pnv_ioda_alloc_pe(struct pnv_phb *phb)
+{
+ unsigned long pe;
+
+ do {
+ pe = find_next_zero_bit(phb->ioda.pe_alloc,
+ phb->ioda.total_pe, 0);
+ if (pe >= phb->ioda.total_pe)
+ return IODA_INVALID_PE;
+ } while(test_and_set_bit(pe, phb->ioda.pe_alloc));
+
+ phb->ioda.pe_array[pe].pe_number = pe;
+ return pe;
+}
+
+static void __devinit pnv_ioda_free_pe(struct pnv_phb *phb, int pe)
+{
+ WARN_ON(phb->ioda.pe_array[pe].pdev);
+
+ memset(&phb->ioda.pe_array[pe], 0, sizeof(struct pnv_ioda_pe));
+ clear_bit(pe, phb->ioda.pe_alloc);
+}
+
+/* Currently those 2 are only used when MSIs are enabled, this will change
+ * but in the meantime, we need to protect them to avoid warnings
+ */
+#ifdef CONFIG_PCI_MSI
+static struct pnv_ioda_pe * __devinit __pnv_ioda_get_one_pe(struct pci_dev *dev)
+{
+ struct pci_controller *hose = pci_bus_to_host(dev->bus);
+ struct pnv_phb *phb = hose->private_data;
+ struct pci_dn *pdn = pnv_ioda_get_pdn(dev);
+
+ if (!pdn)
+ return NULL;
+ if (pdn->pe_number == IODA_INVALID_PE)
+ return NULL;
+ return &phb->ioda.pe_array[pdn->pe_number];
+}
+
+static struct pnv_ioda_pe * __devinit pnv_ioda_get_pe(struct pci_dev *dev)
+{
+ struct pnv_ioda_pe *pe = __pnv_ioda_get_one_pe(dev);
+
+ while (!pe && dev->bus->self) {
+ dev = dev->bus->self;
+ pe = __pnv_ioda_get_one_pe(dev);
+ if (pe)
+ pe = pe->bus_pe;
+ }
+ return pe;
+}
+#endif /* CONFIG_PCI_MSI */
+
+static int __devinit pnv_ioda_configure_pe(struct pnv_phb *phb,
+ struct pnv_ioda_pe *pe)
+{
+ struct pci_dev *parent;
+ uint8_t bcomp, dcomp, fcomp;
+ long rc, rid_end, rid;
+
+ /* Bus validation ? */
+ if (pe->pbus) {
+ int count;
+
+ dcomp = OPAL_IGNORE_RID_DEVICE_NUMBER;
+ fcomp = OPAL_IGNORE_RID_FUNCTION_NUMBER;
+ parent = pe->pbus->self;
+ count = pe->pbus->subordinate - pe->pbus->secondary + 1;
+ switch(count) {
+ case 1: bcomp = OpalPciBusAll; break;
+ case 2: bcomp = OpalPciBus7Bits; break;
+ case 4: bcomp = OpalPciBus6Bits; break;
+ case 8: bcomp = OpalPciBus5Bits; break;
+ case 16: bcomp = OpalPciBus4Bits; break;
+ case 32: bcomp = OpalPciBus3Bits; break;
+ default:
+ pr_err("%s: Number of subordinate busses %d"
+ " unsupported\n",
+ pci_name(pe->pbus->self), count);
+ /* Do an exact match only */
+ bcomp = OpalPciBusAll;
+ }
+ rid_end = pe->rid + (count << 8);
+ } else {
+ parent = pe->pdev->bus->self;
+ bcomp = OpalPciBusAll;
+ dcomp = OPAL_COMPARE_RID_DEVICE_NUMBER;
+ fcomp = OPAL_COMPARE_RID_FUNCTION_NUMBER;
+ rid_end = pe->rid + 1;
+ }
+
+ /* Associate PE in PELT */
+ rc = opal_pci_set_pe(phb->opal_id, pe->pe_number, pe->rid,
+ bcomp, dcomp, fcomp, OPAL_MAP_PE);
+ if (rc) {
+ pe_err(pe, "OPAL error %ld trying to setup PELT table\n", rc);
+ return -ENXIO;
+ }
+ opal_pci_eeh_freeze_clear(phb->opal_id, pe->pe_number,
+ OPAL_EEH_ACTION_CLEAR_FREEZE_ALL);
+
+ /* Add to all parents PELT-V */
+ while (parent) {
+ struct pci_dn *pdn = pnv_ioda_get_pdn(parent);
+ if (pdn && pdn->pe_number != IODA_INVALID_PE) {
+ rc = opal_pci_set_peltv(phb->opal_id, pdn->pe_number,
+ pe->pe_number, OPAL_ADD_PE_TO_DOMAIN);
+ /* XXX What to do in case of error ? */
+ }
+ parent = parent->bus->self;
+ }
+ /* Setup reverse map */
+ for (rid = pe->rid; rid < rid_end; rid++)
+ phb->ioda.pe_rmap[rid] = pe->pe_number;
+
+ /* Setup one MVTs on IODA1 */
+ if (phb->type == PNV_PHB_IODA1) {
+ pe->mve_number = pe->pe_number;
+ rc = opal_pci_set_mve(phb->opal_id, pe->mve_number,
+ pe->pe_number);
+ if (rc) {
+ pe_err(pe, "OPAL error %ld setting up MVE %d\n",
+ rc, pe->mve_number);
+ pe->mve_number = -1;
+ } else {
+ rc = opal_pci_set_mve_enable(phb->opal_id,
+ pe->mve_number, OPAL_ENABLE_MVE);
+ if (rc) {
+ pe_err(pe, "OPAL error %ld enabling MVE %d\n",
+ rc, pe->mve_number);
+ pe->mve_number = -1;
+ }
+ }
+ } else if (phb->type == PNV_PHB_IODA2)
+ pe->mve_number = 0;
+
+ return 0;
+}
+
+static void __devinit pnv_ioda_link_pe_by_weight(struct pnv_phb *phb,
+ struct pnv_ioda_pe *pe)
+{
+ struct pnv_ioda_pe *lpe;
+
+ list_for_each_entry(lpe, &phb->ioda.pe_list, link) {
+ if (lpe->dma_weight < pe->dma_weight) {
+ list_add_tail(&pe->link, &lpe->link);
+ return;
+ }
+ }
+ list_add_tail(&pe->link, &phb->ioda.pe_list);
+}
+
+static unsigned int pnv_ioda_dma_weight(struct pci_dev *dev)
+{
+ /* This is quite simplistic. The "base" weight of a device
+ * is 10. 0 means no DMA is to be accounted for it.
+ */
+
+ /* If it's a bridge, no DMA */
+ if (dev->hdr_type != PCI_HEADER_TYPE_NORMAL)
+ return 0;
+
+ /* Reduce the weight of slow USB controllers */
+ if (dev->class == PCI_CLASS_SERIAL_USB_UHCI ||
+ dev->class == PCI_CLASS_SERIAL_USB_OHCI ||
+ dev->class == PCI_CLASS_SERIAL_USB_EHCI)
+ return 3;
+
+ /* Increase the weight of RAID (includes Obsidian) */
+ if ((dev->class >> 8) == PCI_CLASS_STORAGE_RAID)
+ return 15;
+
+ /* Default */
+ return 10;
+}
+
+static struct pnv_ioda_pe * __devinit pnv_ioda_setup_dev_PE(struct pci_dev *dev)
+{
+ struct pci_controller *hose = pci_bus_to_host(dev->bus);
+ struct pnv_phb *phb = hose->private_data;
+ struct pci_dn *pdn = pnv_ioda_get_pdn(dev);
+ struct pnv_ioda_pe *pe;
+ int pe_num;
+
+ if (!pdn) {
+ pr_err("%s: Device tree node not associated properly\n",
+ pci_name(dev));
+ return NULL;
+ }
+ if (pdn->pe_number != IODA_INVALID_PE)
+ return NULL;
+
+ /* PE#0 has been pre-set */
+ if (dev->bus->number == 0)
+ pe_num = 0;
+ else
+ pe_num = pnv_ioda_alloc_pe(phb);
+ if (pe_num == IODA_INVALID_PE) {
+ pr_warning("%s: Not enough PE# available, disabling device\n",
+ pci_name(dev));
+ return NULL;
+ }
+
+ /* NOTE: We get only one ref to the pci_dev for the pdn, not for the
+ * pointer in the PE data structure, both should be destroyed at the
+ * same time. However, this needs to be looked at more closely again
+ * once we actually start removing things (Hotplug, SR-IOV, ...)
+ *
+ * At some point we want to remove the PDN completely anyways
+ */
+ pe = &phb->ioda.pe_array[pe_num];
+ pci_dev_get(dev);
+ pdn->pcidev = dev;
+ pdn->pe_number = pe_num;
+ pe->pdev = dev;
+ pe->pbus = NULL;
+ pe->tce32_seg = -1;
+ pe->mve_number = -1;
+ pe->rid = dev->bus->number << 8 | pdn->devfn;
+
+ pe_info(pe, "Associated device to PE\n");
+
+ if (pnv_ioda_configure_pe(phb, pe)) {
+ /* XXX What do we do here ? */
+ if (pe_num)
+ pnv_ioda_free_pe(phb, pe_num);
+ pdn->pe_number = IODA_INVALID_PE;
+ pe->pdev = NULL;
+ pci_dev_put(dev);
+ return NULL;
+ }
+
+ /* Assign a DMA weight to the device */
+ pe->dma_weight = pnv_ioda_dma_weight(dev);
+ if (pe->dma_weight != 0) {
+ phb->ioda.dma_weight += pe->dma_weight;
+ phb->ioda.dma_pe_count++;
+ }
+
+ /* Link the PE */
+ pnv_ioda_link_pe_by_weight(phb, pe);
+
+ return pe;
+}
+
+static void pnv_ioda_setup_same_PE(struct pci_bus *bus, struct pnv_ioda_pe *pe)
+{
+ struct pci_dev *dev;
+
+ list_for_each_entry(dev, &bus->devices, bus_list) {
+ struct pci_dn *pdn = pnv_ioda_get_pdn(dev);
+
+ if (pdn == NULL) {
+ pr_warn("%s: No device node associated with device !\n",
+ pci_name(dev));
+ continue;
+ }
+ pci_dev_get(dev);
+ pdn->pcidev = dev;
+ pdn->pe_number = pe->pe_number;
+ pe->dma_weight += pnv_ioda_dma_weight(dev);
+ if (dev->subordinate)
+ pnv_ioda_setup_same_PE(dev->subordinate, pe);
+ }
+}
+
+static void __devinit pnv_ioda_setup_bus_PE(struct pci_dev *dev,
+ struct pnv_ioda_pe *ppe)
+{
+ struct pci_controller *hose = pci_bus_to_host(dev->bus);
+ struct pnv_phb *phb = hose->private_data;
+ struct pci_bus *bus = dev->subordinate;
+ struct pnv_ioda_pe *pe;
+ int pe_num;
+
+ if (!bus) {
+ pr_warning("%s: Bridge without a subordinate bus !\n",
+ pci_name(dev));
+ return;
+ }
+ pe_num = pnv_ioda_alloc_pe(phb);
+ if (pe_num == IODA_INVALID_PE) {
+ pr_warning("%s: Not enough PE# available, disabling bus\n",
+ pci_name(dev));
+ return;
+ }
+
+ pe = &phb->ioda.pe_array[pe_num];
+ ppe->bus_pe = pe;
+ pe->pbus = bus;
+ pe->pdev = NULL;
+ pe->tce32_seg = -1;
+ pe->mve_number = -1;
+ pe->rid = bus->secondary << 8;
+ pe->dma_weight = 0;
+
+ pe_info(pe, "Secondary busses %d..%d associated with PE\n",
+ bus->secondary, bus->subordinate);
+
+ if (pnv_ioda_configure_pe(phb, pe)) {
+ /* XXX What do we do here ? */
+ if (pe_num)
+ pnv_ioda_free_pe(phb, pe_num);
+ pe->pbus = NULL;
+ return;
+ }
+
+ /* Associate it with all child devices */
+ pnv_ioda_setup_same_PE(bus, pe);
+
+ /* Account for one DMA PE if at least one DMA capable device exist
+ * below the bridge
+ */
+ if (pe->dma_weight != 0) {
+ phb->ioda.dma_weight += pe->dma_weight;
+ phb->ioda.dma_pe_count++;
+ }
+
+ /* Link the PE */
+ pnv_ioda_link_pe_by_weight(phb, pe);
+}
+
+static void __devinit pnv_ioda_setup_PEs(struct pci_bus *bus)
+{
+ struct pci_dev *dev;
+ struct pnv_ioda_pe *pe;
+
+ list_for_each_entry(dev, &bus->devices, bus_list) {
+ pe = pnv_ioda_setup_dev_PE(dev);
+ if (pe == NULL)
+ continue;
+ /* Leaving the PCIe domain ... single PE# */
+ if (dev->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE)
+ pnv_ioda_setup_bus_PE(dev, pe);
+ else if (dev->subordinate)
+ pnv_ioda_setup_PEs(dev->subordinate);
+ }
+}
+
+static void __devinit pnv_pci_ioda_dma_dev_setup(struct pnv_phb *phb,
+ struct pci_dev *dev)
+{
+ /* We delay DMA setup after we have assigned all PE# */
+}
+
+static void __devinit pnv_ioda_setup_bus_dma(struct pnv_ioda_pe *pe,
+ struct pci_bus *bus)
+{
+ struct pci_dev *dev;
+
+ list_for_each_entry(dev, &bus->devices, bus_list) {
+ set_iommu_table_base(&dev->dev, &pe->tce32_table);
+ if (dev->subordinate)
+ pnv_ioda_setup_bus_dma(pe, dev->subordinate);
+ }
+}
+
+static void __devinit pnv_pci_ioda_setup_dma_pe(struct pnv_phb *phb,
+ struct pnv_ioda_pe *pe,
+ unsigned int base,
+ unsigned int segs)
+{
+
+ struct page *tce_mem = NULL;
+ const __be64 *swinvp;
+ struct iommu_table *tbl;
+ unsigned int i;
+ int64_t rc;
+ void *addr;
+
+ /* 256M DMA window, 4K TCE pages, 8 bytes TCE */
+#define TCE32_TABLE_SIZE ((0x10000000 / 0x1000) * 8)
+
+ /* XXX FIXME: Handle 64-bit only DMA devices */
+ /* XXX FIXME: Provide 64-bit DMA facilities & non-4K TCE tables etc.. */
+ /* XXX FIXME: Allocate multi-level tables on PHB3 */
+
+ /* We shouldn't already have a 32-bit DMA associated */
+ if (WARN_ON(pe->tce32_seg >= 0))
+ return;
+
+ /* Grab a 32-bit TCE table */
+ pe->tce32_seg = base;
+ pe_info(pe, " Setting up 32-bit TCE table at %08x..%08x\n",
+ (base << 28), ((base + segs) << 28) - 1);
+
+ /* XXX Currently, we allocate one big contiguous table for the
+ * TCEs. We only really need one chunk per 256M of TCE space
+ * (ie per segment) but that's an optimization for later, it
+ * requires some added smarts with our get/put_tce implementation
+ */
+ tce_mem = alloc_pages_node(phb->hose->node, GFP_KERNEL,
+ get_order(TCE32_TABLE_SIZE * segs));
+ if (!tce_mem) {
+ pe_err(pe, " Failed to allocate a 32-bit TCE memory\n");
+ goto fail;
+ }
+ addr = page_address(tce_mem);
+ memset(addr, 0, TCE32_TABLE_SIZE * segs);
+
+ /* Configure HW */
+ for (i = 0; i < segs; i++) {
+ rc = opal_pci_map_pe_dma_window(phb->opal_id,
+ pe->pe_number,
+ base + i, 1,
+ __pa(addr) + TCE32_TABLE_SIZE * i,
+ TCE32_TABLE_SIZE, 0x1000);
+ if (rc) {
+ pe_err(pe, " Failed to configure 32-bit TCE table,"
+ " err %ld\n", rc);
+ goto fail;
+ }
+ }
+
+ /* Setup linux iommu table */
+ tbl = &pe->tce32_table;
+ pnv_pci_setup_iommu_table(tbl, addr, TCE32_TABLE_SIZE * segs,
+ base << 28);
+
+ /* OPAL variant of P7IOC SW invalidated TCEs */
+ swinvp = of_get_property(phb->hose->dn, "ibm,opal-tce-kill", NULL);
+ if (swinvp) {
+ /* We need a couple more fields -- an address and a data
+ * to or. Since the bus is only printed out on table free
+ * errors, and on the first pass the data will be a relative
+ * bus number, print that out instead.
+ */
+ tbl->it_busno = 0;
+ tbl->it_index = (unsigned long)ioremap(be64_to_cpup(swinvp), 8);
+ tbl->it_type = TCE_PCI_SWINV_CREATE | TCE_PCI_SWINV_FREE
+ | TCE_PCI_SWINV_PAIR;
+ }
+ iommu_init_table(tbl, phb->hose->node);
+
+ if (pe->pdev)
+ set_iommu_table_base(&pe->pdev->dev, tbl);
+ else
+ pnv_ioda_setup_bus_dma(pe, pe->pbus);
+
+ return;
+ fail:
+ /* XXX Failure: Try to fallback to 64-bit only ? */
+ if (pe->tce32_seg >= 0)
+ pe->tce32_seg = -1;
+ if (tce_mem)
+ __free_pages(tce_mem, get_order(TCE32_TABLE_SIZE * segs));
+}
+
+static void __devinit pnv_ioda_setup_dma(struct pnv_phb *phb)
+{
+ struct pci_controller *hose = phb->hose;
+ unsigned int residual, remaining, segs, tw, base;
+ struct pnv_ioda_pe *pe;
+
+ /* If we have more PE# than segments available, hand out one
+ * per PE until we run out and let the rest fail. If not,
+ * then we assign at least one segment per PE, plus more based
+ * on the amount of devices under that PE
+ */
+ if (phb->ioda.dma_pe_count > phb->ioda.tce32_count)
+ residual = 0;
+ else
+ residual = phb->ioda.tce32_count -
+ phb->ioda.dma_pe_count;
+
+ pr_info("PCI: Domain %04x has %ld available 32-bit DMA segments\n",
+ hose->global_number, phb->ioda.tce32_count);
+ pr_info("PCI: %d PE# for a total weight of %d\n",
+ phb->ioda.dma_pe_count, phb->ioda.dma_weight);
+
+ /* Walk our PE list and configure their DMA segments, hand them
+ * out one base segment plus any residual segments based on
+ * weight
+ */
+ remaining = phb->ioda.tce32_count;
+ tw = phb->ioda.dma_weight;
+ base = 0;
+ list_for_each_entry(pe, &phb->ioda.pe_list, link) {
+ if (!pe->dma_weight)
+ continue;
+ if (!remaining) {
+ pe_warn(pe, "No DMA32 resources available\n");
+ continue;
+ }
+ segs = 1;
+ if (residual) {
+ segs += ((pe->dma_weight * residual) + (tw / 2)) / tw;
+ if (segs > remaining)
+ segs = remaining;
+ }
+ pe_info(pe, "DMA weight %d, assigned %d DMA32 segments\n",
+ pe->dma_weight, segs);
+ pnv_pci_ioda_setup_dma_pe(phb, pe, base, segs);
+ remaining -= segs;
+ base += segs;
+ }
+}
+
+#ifdef CONFIG_PCI_MSI
+static int pnv_pci_ioda_msi_setup(struct pnv_phb *phb, struct pci_dev *dev,
+ unsigned int hwirq, unsigned int is_64,
+ struct msi_msg *msg)
+{
+ struct pnv_ioda_pe *pe = pnv_ioda_get_pe(dev);
+ unsigned int xive_num = hwirq - phb->msi_base;
+ uint64_t addr64;
+ uint32_t addr32, data;
+ int rc;
+
+ /* No PE assigned ? bail out ... no MSI for you ! */
+ if (pe == NULL)
+ return -ENXIO;
+
+ /* Check if we have an MVE */
+ if (pe->mve_number < 0)
+ return -ENXIO;
+
+ /* Assign XIVE to PE */
+ rc = opal_pci_set_xive_pe(phb->opal_id, pe->pe_number, xive_num);
+ if (rc) {
+ pr_warn("%s: OPAL error %d setting XIVE %d PE\n",
+ pci_name(dev), rc, xive_num);
+ return -EIO;
+ }
+
+ if (is_64) {
+ rc = opal_get_msi_64(phb->opal_id, pe->mve_number, xive_num, 1,
+ &addr64, &data);
+ if (rc) {
+ pr_warn("%s: OPAL error %d getting 64-bit MSI data\n",
+ pci_name(dev), rc);
+ return -EIO;
+ }
+ msg->address_hi = addr64 >> 32;
+ msg->address_lo = addr64 & 0xfffffffful;
+ } else {
+ rc = opal_get_msi_32(phb->opal_id, pe->mve_number, xive_num, 1,
+ &addr32, &data);
+ if (rc) {
+ pr_warn("%s: OPAL error %d getting 32-bit MSI data\n",
+ pci_name(dev), rc);
+ return -EIO;
+ }
+ msg->address_hi = 0;
+ msg->address_lo = addr32;
+ }
+ msg->data = data;
+
+ pr_devel("%s: %s-bit MSI on hwirq %x (xive #%d),"
+ " address=%x_%08x data=%x PE# %d\n",
+ pci_name(dev), is_64 ? "64" : "32", hwirq, xive_num,
+ msg->address_hi, msg->address_lo, data, pe->pe_number);
+
+ return 0;
+}
+
+static void pnv_pci_init_ioda_msis(struct pnv_phb *phb)
+{
+ unsigned int bmap_size;
+ const __be32 *prop = of_get_property(phb->hose->dn,
+ "ibm,opal-msi-ranges", NULL);
+ if (!prop) {
+ /* BML Fallback */
+ prop = of_get_property(phb->hose->dn, "msi-ranges", NULL);
+ }
+ if (!prop)
+ return;
+
+ phb->msi_base = be32_to_cpup(prop);
+ phb->msi_count = be32_to_cpup(prop + 1);
+ bmap_size = BITS_TO_LONGS(phb->msi_count) * sizeof(unsigned long);
+ phb->msi_map = zalloc_maybe_bootmem(bmap_size, GFP_KERNEL);
+ if (!phb->msi_map) {
+ pr_err("PCI %d: Failed to allocate MSI bitmap !\n",
+ phb->hose->global_number);
+ return;
+ }
+ phb->msi_setup = pnv_pci_ioda_msi_setup;
+ phb->msi32_support = 1;
+ pr_info(" Allocated bitmap for %d MSIs (base IRQ 0x%x)\n",
+ phb->msi_count, phb->msi_base);
+}
+#else
+static void pnv_pci_init_ioda_msis(struct pnv_phb *phb) { }
+#endif /* CONFIG_PCI_MSI */
+
+/* This is the starting point of our IODA specific resource
+ * allocation process
+ */
+static void __devinit pnv_pci_ioda_fixup_phb(struct pci_controller *hose)
+{
+ resource_size_t size, align;
+ struct pci_bus *child;
+
+ /* Associate PEs per functions */
+ pnv_ioda_setup_PEs(hose->bus);
+
+ /* Calculate all resources */
+ pnv_ioda_calc_bus(hose->bus, IORESOURCE_IO, &size, &align);
+ pnv_ioda_calc_bus(hose->bus, IORESOURCE_MEM, &size, &align);
+
+ /* Apply then to HW */
+ pnv_ioda_update_resources(hose->bus);
+
+ /* Setup DMA */
+ pnv_ioda_setup_dma(hose->private_data);
+
+ /* Configure PCI Express settings */
+ list_for_each_entry(child, &hose->bus->children, node) {
+ struct pci_dev *self = child->self;
+ if (!self)
+ continue;
+ pcie_bus_configure_settings(child, self->pcie_mpss);
+ }
+}
+
+/* Prevent enabling devices for which we couldn't properly
+ * assign a PE
+ */
+static int __devinit pnv_pci_enable_device_hook(struct pci_dev *dev)
+{
+ struct pci_dn *pdn = pnv_ioda_get_pdn(dev);
+
+ if (!pdn || pdn->pe_number == IODA_INVALID_PE)
+ return -EINVAL;
+ return 0;
+}
+
+static u32 pnv_ioda_bdfn_to_pe(struct pnv_phb *phb, struct pci_bus *bus,
+ u32 devfn)
+{
+ return phb->ioda.pe_rmap[(bus->number << 8) | devfn];
+}
+
+void __init pnv_pci_init_ioda1_phb(struct device_node *np)
+{
+ struct pci_controller *hose;
+ static int primary = 1;
+ struct pnv_phb *phb;
+ unsigned long size, m32map_off, iomap_off, pemap_off;
+ const u64 *prop64;
+ u64 phb_id;
+ void *aux;
+ long rc;
+
+ pr_info(" Initializing IODA OPAL PHB %s\n", np->full_name);
+
+ prop64 = of_get_property(np, "ibm,opal-phbid", NULL);
+ if (!prop64) {
+ pr_err(" Missing \"ibm,opal-phbid\" property !\n");
+ return;
+ }
+ phb_id = be64_to_cpup(prop64);
+ pr_debug(" PHB-ID : 0x%016llx\n", phb_id);
+
+ phb = alloc_bootmem(sizeof(struct pnv_phb));
+ if (phb) {
+ memset(phb, 0, sizeof(struct pnv_phb));
+ phb->hose = hose = pcibios_alloc_controller(np);
+ }
+ if (!phb || !phb->hose) {
+ pr_err("PCI: Failed to allocate PCI controller for %s\n",
+ np->full_name);
+ return;
+ }
+
+ spin_lock_init(&phb->lock);
+ /* XXX Use device-tree */
+ hose->first_busno = 0;
+ hose->last_busno = 0xff;
+ hose->private_data = phb;
+ phb->opal_id = phb_id;
+ phb->type = PNV_PHB_IODA1;
+
+ /* Detect specific models for error handling */
+ if (of_device_is_compatible(np, "ibm,p7ioc-pciex"))
+ phb->model = PNV_PHB_MODEL_P7IOC;
+ else
+ phb->model = PNV_PHB_MODEL_UNKNOWN;
+
+ /* We parse "ranges" now since we need to deduce the register base
+ * from the IO base
+ */
+ pci_process_bridge_OF_ranges(phb->hose, np, primary);
+ primary = 0;
+
+ /* Magic formula from Milton */
+ phb->regs = of_iomap(np, 0);
+ if (phb->regs == NULL)
+ pr_err(" Failed to map registers !\n");
+
+
+ /* XXX This is hack-a-thon. This needs to be changed so that:
+ * - we obtain stuff like PE# etc... from device-tree
+ * - we properly re-allocate M32 ourselves
+ * (the OFW one isn't very good)
+ */
+
+ /* Initialize more IODA stuff */
+ phb->ioda.total_pe = 128;
+
+ phb->ioda.m32_size = resource_size(&hose->mem_resources[0]);
+ /* OFW Has already off top 64k of M32 space (MSI space) */
+ phb->ioda.m32_size += 0x10000;
+
+ phb->ioda.m32_segsize = phb->ioda.m32_size / phb->ioda.total_pe;
+ phb->ioda.m32_pci_base = hose->mem_resources[0].start -
+ hose->pci_mem_offset;
+ phb->ioda.io_size = hose->pci_io_size;
+ phb->ioda.io_segsize = phb->ioda.io_size / phb->ioda.total_pe;
+ phb->ioda.io_pci_base = 0; /* XXX calculate this ? */
+
+ /* Allocate aux data & arrays */
+ size = _ALIGN_UP(phb->ioda.total_pe / 8, sizeof(unsigned long));
+ m32map_off = size;
+ size += phb->ioda.total_pe;
+ iomap_off = size;
+ size += phb->ioda.total_pe;
+ pemap_off = size;
+ size += phb->ioda.total_pe * sizeof(struct pnv_ioda_pe);
+ aux = alloc_bootmem(size);
+ memset(aux, 0, size);
+ phb->ioda.pe_alloc = aux;
+ phb->ioda.m32_segmap = aux + m32map_off;
+ phb->ioda.io_segmap = aux + iomap_off;
+ phb->ioda.pe_array = aux + pemap_off;
+ set_bit(0, phb->ioda.pe_alloc);
+
+ INIT_LIST_HEAD(&phb->ioda.pe_list);
+
+ /* Calculate how many 32-bit TCE segments we have */
+ phb->ioda.tce32_count = phb->ioda.m32_pci_base >> 28;
+
+ /* Clear unusable m64 */
+ hose->mem_resources[1].flags = 0;
+ hose->mem_resources[1].start = 0;
+ hose->mem_resources[1].end = 0;
+ hose->mem_resources[2].flags = 0;
+ hose->mem_resources[2].start = 0;
+ hose->mem_resources[2].end = 0;
+
+#if 0
+ rc = opal_pci_set_phb_mem_window(opal->phb_id,
+ window_type,
+ window_num,
+ starting_real_address,
+ starting_pci_address,
+ segment_size);
+#endif
+
+ pr_info(" %d PE's M32: 0x%x [segment=0x%x] IO: 0x%x [segment=0x%x]\n",
+ phb->ioda.total_pe,
+ phb->ioda.m32_size, phb->ioda.m32_segsize,
+ phb->ioda.io_size, phb->ioda.io_segsize);
+
+ if (phb->regs) {
+ pr_devel(" BUID = 0x%016llx\n", in_be64(phb->regs + 0x100));
+ pr_devel(" PHB2_CR = 0x%016llx\n", in_be64(phb->regs + 0x160));
+ pr_devel(" IO_BAR = 0x%016llx\n", in_be64(phb->regs + 0x170));
+ pr_devel(" IO_BAMR = 0x%016llx\n", in_be64(phb->regs + 0x178));
+ pr_devel(" IO_SAR = 0x%016llx\n", in_be64(phb->regs + 0x180));
+ pr_devel(" M32_BAR = 0x%016llx\n", in_be64(phb->regs + 0x190));
+ pr_devel(" M32_BAMR = 0x%016llx\n", in_be64(phb->regs + 0x198));
+ pr_devel(" M32_SAR = 0x%016llx\n", in_be64(phb->regs + 0x1a0));
+ }
+ phb->hose->ops = &pnv_pci_ops;
+
+ /* Setup RID -> PE mapping function */
+ phb->bdfn_to_pe = pnv_ioda_bdfn_to_pe;
+
+ /* Setup TCEs */
+ phb->dma_dev_setup = pnv_pci_ioda_dma_dev_setup;
+
+ /* Setup MSI support */
+ pnv_pci_init_ioda_msis(phb);
+
+ /* We set both probe_only and PCI_REASSIGN_ALL_RSRC. This is an
+ * odd combination which essentially means that we skip all resource
+ * fixups and assignments in the generic code, and do it all
+ * ourselves here
+ */
+ pci_probe_only = 1;
+ ppc_md.pcibios_fixup_phb = pnv_pci_ioda_fixup_phb;
+ ppc_md.pcibios_enable_device_hook = pnv_pci_enable_device_hook;
+ pci_add_flags(PCI_REASSIGN_ALL_RSRC);
+
+ /* Reset IODA tables to a clean state */
+ rc = opal_pci_reset(phb_id, OPAL_PCI_IODA_TABLE_RESET, OPAL_ASSERT_RESET);
+ if (rc)
+ pr_warning(" OPAL Error %ld performing IODA table reset !\n", rc);
+ opal_pci_set_pe(phb_id, 0, 0, 7, 1, 1 , OPAL_MAP_PE);
+}
+
+void __init pnv_pci_init_ioda_hub(struct device_node *np)
+{
+ struct device_node *phbn;
+ const u64 *prop64;
+ u64 hub_id;
+
+ pr_info("Probing IODA IO-Hub %s\n", np->full_name);
+
+ prop64 = of_get_property(np, "ibm,opal-hubid", NULL);
+ if (!prop64) {
+ pr_err(" Missing \"ibm,opal-hubid\" property !\n");
+ return;
+ }
+ hub_id = be64_to_cpup(prop64);
+ pr_devel(" HUB-ID : 0x%016llx\n", hub_id);
+
+ /* Count child PHBs */
+ for_each_child_of_node(np, phbn) {
+ /* Look for IODA1 PHBs */
+ if (of_device_is_compatible(phbn, "ibm,ioda-phb"))
+ pnv_pci_init_ioda1_phb(phbn);
+ }
+}
diff --git a/arch/powerpc/platforms/powernv/pci-p5ioc2.c b/arch/powerpc/platforms/powernv/pci-p5ioc2.c
index 4c80f7c77d56..264967770c3a 100644
--- a/arch/powerpc/platforms/powernv/pci-p5ioc2.c
+++ b/arch/powerpc/platforms/powernv/pci-p5ioc2.c
@@ -137,6 +137,7 @@ static void __init pnv_pci_init_p5ioc2_phb(struct device_node *np,
phb->hose->private_data = phb;
phb->opal_id = phb_id;
phb->type = PNV_PHB_P5IOC2;
+ phb->model = PNV_PHB_MODEL_P5IOC2;
phb->regs = of_iomap(np, 0);
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index 85bb66d7f933..a70bc1e385eb 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -144,6 +144,112 @@ static void pnv_teardown_msi_irqs(struct pci_dev *pdev)
}
#endif /* CONFIG_PCI_MSI */
+static void pnv_pci_dump_p7ioc_diag_data(struct pnv_phb *phb)
+{
+ struct OpalIoP7IOCPhbErrorData *data = &phb->diag.p7ioc;
+ int i;
+
+ pr_info("PHB %d diagnostic data:\n", phb->hose->global_number);
+
+ pr_info(" brdgCtl = 0x%08x\n", data->brdgCtl);
+
+ pr_info(" portStatusReg = 0x%08x\n", data->portStatusReg);
+ pr_info(" rootCmplxStatus = 0x%08x\n", data->rootCmplxStatus);
+ pr_info(" busAgentStatus = 0x%08x\n", data->busAgentStatus);
+
+ pr_info(" deviceStatus = 0x%08x\n", data->deviceStatus);
+ pr_info(" slotStatus = 0x%08x\n", data->slotStatus);
+ pr_info(" linkStatus = 0x%08x\n", data->linkStatus);
+ pr_info(" devCmdStatus = 0x%08x\n", data->devCmdStatus);
+ pr_info(" devSecStatus = 0x%08x\n", data->devSecStatus);
+
+ pr_info(" rootErrorStatus = 0x%08x\n", data->rootErrorStatus);
+ pr_info(" uncorrErrorStatus = 0x%08x\n", data->uncorrErrorStatus);
+ pr_info(" corrErrorStatus = 0x%08x\n", data->corrErrorStatus);
+ pr_info(" tlpHdr1 = 0x%08x\n", data->tlpHdr1);
+ pr_info(" tlpHdr2 = 0x%08x\n", data->tlpHdr2);
+ pr_info(" tlpHdr3 = 0x%08x\n", data->tlpHdr3);
+ pr_info(" tlpHdr4 = 0x%08x\n", data->tlpHdr4);
+ pr_info(" sourceId = 0x%08x\n", data->sourceId);
+
+ pr_info(" errorClass = 0x%016llx\n", data->errorClass);
+ pr_info(" correlator = 0x%016llx\n", data->correlator);
+
+ pr_info(" p7iocPlssr = 0x%016llx\n", data->p7iocPlssr);
+ pr_info(" p7iocCsr = 0x%016llx\n", data->p7iocCsr);
+ pr_info(" lemFir = 0x%016llx\n", data->lemFir);
+ pr_info(" lemErrorMask = 0x%016llx\n", data->lemErrorMask);
+ pr_info(" lemWOF = 0x%016llx\n", data->lemWOF);
+ pr_info(" phbErrorStatus = 0x%016llx\n", data->phbErrorStatus);
+ pr_info(" phbFirstErrorStatus = 0x%016llx\n", data->phbFirstErrorStatus);
+ pr_info(" phbErrorLog0 = 0x%016llx\n", data->phbErrorLog0);
+ pr_info(" phbErrorLog1 = 0x%016llx\n", data->phbErrorLog1);
+ pr_info(" mmioErrorStatus = 0x%016llx\n", data->mmioErrorStatus);
+ pr_info(" mmioFirstErrorStatus = 0x%016llx\n", data->mmioFirstErrorStatus);
+ pr_info(" mmioErrorLog0 = 0x%016llx\n", data->mmioErrorLog0);
+ pr_info(" mmioErrorLog1 = 0x%016llx\n", data->mmioErrorLog1);
+ pr_info(" dma0ErrorStatus = 0x%016llx\n", data->dma0ErrorStatus);
+ pr_info(" dma0FirstErrorStatus = 0x%016llx\n", data->dma0FirstErrorStatus);
+ pr_info(" dma0ErrorLog0 = 0x%016llx\n", data->dma0ErrorLog0);
+ pr_info(" dma0ErrorLog1 = 0x%016llx\n", data->dma0ErrorLog1);
+ pr_info(" dma1ErrorStatus = 0x%016llx\n", data->dma1ErrorStatus);
+ pr_info(" dma1FirstErrorStatus = 0x%016llx\n", data->dma1FirstErrorStatus);
+ pr_info(" dma1ErrorLog0 = 0x%016llx\n", data->dma1ErrorLog0);
+ pr_info(" dma1ErrorLog1 = 0x%016llx\n", data->dma1ErrorLog1);
+
+ for (i = 0; i < OPAL_P7IOC_NUM_PEST_REGS; i++) {
+ if ((data->pestA[i] >> 63) == 0 &&
+ (data->pestB[i] >> 63) == 0)
+ continue;
+ pr_info(" PE[%3d] PESTA = 0x%016llx\n", i, data->pestA[i]);
+ pr_info(" PESTB = 0x%016llx\n", data->pestB[i]);
+ }
+}
+
+static void pnv_pci_dump_phb_diag_data(struct pnv_phb *phb)
+{
+ switch(phb->model) {
+ case PNV_PHB_MODEL_P7IOC:
+ pnv_pci_dump_p7ioc_diag_data(phb);
+ break;
+ default:
+ pr_warning("PCI %d: Can't decode this PHB diag data\n",
+ phb->hose->global_number);
+ }
+}
+
+static void pnv_pci_handle_eeh_config(struct pnv_phb *phb, u32 pe_no)
+{
+ unsigned long flags, rc;
+ int has_diag;
+
+ spin_lock_irqsave(&phb->lock, flags);
+
+ rc = opal_pci_get_phb_diag_data(phb->opal_id, phb->diag.blob, PNV_PCI_DIAG_BUF_SIZE);
+ has_diag = (rc == OPAL_SUCCESS);
+
+ rc = opal_pci_eeh_freeze_clear(phb->opal_id, pe_no,
+ OPAL_EEH_ACTION_CLEAR_FREEZE_ALL);
+ if (rc) {
+ pr_warning("PCI %d: Failed to clear EEH freeze state"
+ " for PE#%d, err %ld\n",
+ phb->hose->global_number, pe_no, rc);
+
+ /* For now, let's only display the diag buffer when we fail to clear
+ * the EEH status. We'll do more sensible things later when we have
+ * proper EEH support. We need to make sure we don't pollute ourselves
+ * with the normal errors generated when probing empty slots
+ */
+ if (has_diag)
+ pnv_pci_dump_phb_diag_data(phb);
+ else
+ pr_warning("PCI %d: No diag data available\n",
+ phb->hose->global_number);
+ }
+
+ spin_unlock_irqrestore(&phb->lock, flags);
+}
+
static void pnv_pci_config_check_eeh(struct pnv_phb *phb, struct pci_bus *bus,
u32 bdfn)
{
@@ -165,15 +271,8 @@ static void pnv_pci_config_check_eeh(struct pnv_phb *phb, struct pci_bus *bus,
}
cfg_dbg(" -> EEH check, bdfn=%04x PE%d fstate=%x\n",
bdfn, pe_no, fstate);
- if (fstate != 0) {
- rc = opal_pci_eeh_freeze_clear(phb->opal_id, pe_no,
- OPAL_EEH_ACTION_CLEAR_FREEZE_ALL);
- if (rc) {
- pr_warning("PCI %d: Failed to clear EEH freeze state"
- " for PE#%d, err %lld\n",
- phb->hose->global_number, pe_no, rc);
- }
- }
+ if (fstate != 0)
+ pnv_pci_handle_eeh_config(phb, pe_no);
}
static int pnv_pci_read_config(struct pci_bus *bus,
@@ -257,12 +356,54 @@ struct pci_ops pnv_pci_ops = {
.write = pnv_pci_write_config,
};
+
+static void pnv_tce_invalidate(struct iommu_table *tbl,
+ u64 *startp, u64 *endp)
+{
+ u64 __iomem *invalidate = (u64 __iomem *)tbl->it_index;
+ unsigned long start, end, inc;
+
+ start = __pa(startp);
+ end = __pa(endp);
+
+
+ /* BML uses this case for p6/p7/galaxy2: Shift addr and put in node */
+ if (tbl->it_busno) {
+ start <<= 12;
+ end <<= 12;
+ inc = 128 << 12;
+ start |= tbl->it_busno;
+ end |= tbl->it_busno;
+ }
+ /* p7ioc-style invalidation, 2 TCEs per write */
+ else if (tbl->it_type & TCE_PCI_SWINV_PAIR) {
+ start |= (1ull << 63);
+ end |= (1ull << 63);
+ inc = 16;
+ }
+ /* Default (older HW) */
+ else
+ inc = 128;
+
+ end |= inc - 1; /* round up end to be different than start */
+
+ mb(); /* Ensure above stores are visible */
+ while (start <= end) {
+ __raw_writeq(start, invalidate);
+ start += inc;
+ }
+ /* The iommu layer will do another mb() for us on build() and
+ * we don't care on free()
+ */
+}
+
+
static int pnv_tce_build(struct iommu_table *tbl, long index, long npages,
unsigned long uaddr, enum dma_data_direction direction,
struct dma_attrs *attrs)
{
u64 proto_tce;
- u64 *tcep;
+ u64 *tcep, *tces;
u64 rpn;
proto_tce = TCE_PCI_READ; // Read allowed
@@ -270,25 +411,33 @@ static int pnv_tce_build(struct iommu_table *tbl, long index, long npages,
if (direction != DMA_TO_DEVICE)
proto_tce |= TCE_PCI_WRITE;
- tcep = ((u64 *)tbl->it_base) + index;
+ tces = tcep = ((u64 *)tbl->it_base) + index - tbl->it_offset;
+ rpn = __pa(uaddr) >> TCE_SHIFT;
- while (npages--) {
- /* can't move this out since we might cross LMB boundary */
- rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT;
- *tcep = proto_tce | (rpn & TCE_RPN_MASK) << TCE_RPN_SHIFT;
+ while (npages--)
+ *(tcep++) = proto_tce | (rpn++ << TCE_RPN_SHIFT);
+
+ /* Some implementations won't cache invalid TCEs and thus may not
+ * need that flush. We'll probably turn it_type into a bit mask
+ * of flags if that becomes the case
+ */
+ if (tbl->it_type & TCE_PCI_SWINV_CREATE)
+ pnv_tce_invalidate(tbl, tces, tcep - 1);
- uaddr += TCE_PAGE_SIZE;
- tcep++;
- }
return 0;
}
static void pnv_tce_free(struct iommu_table *tbl, long index, long npages)
{
- u64 *tcep = ((u64 *)tbl->it_base) + index;
+ u64 *tcep, *tces;
+
+ tces = tcep = ((u64 *)tbl->it_base) + index - tbl->it_offset;
while (npages--)
*(tcep++) = 0;
+
+ if (tbl->it_type & TCE_PCI_SWINV_FREE)
+ pnv_tce_invalidate(tbl, tces, tcep - 1);
}
void pnv_pci_setup_iommu_table(struct iommu_table *tbl,
@@ -308,13 +457,14 @@ static struct iommu_table * __devinit
pnv_pci_setup_bml_iommu(struct pci_controller *hose)
{
struct iommu_table *tbl;
- const __be64 *basep;
+ const __be64 *basep, *swinvp;
const __be32 *sizep;
basep = of_get_property(hose->dn, "linux,tce-base", NULL);
sizep = of_get_property(hose->dn, "linux,tce-size", NULL);
if (basep == NULL || sizep == NULL) {
- pr_err("PCI: %s has missing tce entries !\n", hose->dn->full_name);
+ pr_err("PCI: %s has missing tce entries !\n",
+ hose->dn->full_name);
return NULL;
}
tbl = kzalloc_node(sizeof(struct iommu_table), GFP_KERNEL, hose->node);
@@ -323,6 +473,15 @@ pnv_pci_setup_bml_iommu(struct pci_controller *hose)
pnv_pci_setup_iommu_table(tbl, __va(be64_to_cpup(basep)),
be32_to_cpup(sizep), 0);
iommu_init_table(tbl, hose->node);
+
+ /* Deal with SW invalidated TCEs when needed (BML way) */
+ swinvp = of_get_property(hose->dn, "linux,tce-sw-invalidate-info",
+ NULL);
+ if (swinvp) {
+ tbl->it_busno = swinvp[1];
+ tbl->it_index = (unsigned long)ioremap(swinvp[0], 8);
+ tbl->it_type = TCE_PCI_SWINV_CREATE | TCE_PCI_SWINV_FREE;
+ }
return tbl;
}
@@ -356,6 +515,13 @@ static void __devinit pnv_pci_dma_dev_setup(struct pci_dev *pdev)
pnv_pci_dma_fallback_setup(hose, pdev);
}
+/* Fixup wrong class code in p7ioc root complex */
+static void __devinit pnv_p7ioc_rc_quirk(struct pci_dev *dev)
+{
+ dev->class = PCI_CLASS_BRIDGE_PCI << 8;
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_IBM, 0x3b9, pnv_p7ioc_rc_quirk);
+
static int pnv_pci_probe_mode(struct pci_bus *bus)
{
struct pci_controller *hose = pci_bus_to_host(bus);
@@ -400,12 +566,24 @@ void __init pnv_pci_init(void)
init_pci_config_tokens();
find_and_init_phbs();
#endif /* CONFIG_PPC_POWERNV_RTAS */
- } else {
- /* OPAL is here, do our normal stuff */
+ }
+ /* OPAL is here, do our normal stuff */
+ else {
+ int found_ioda = 0;
+
+ /* Look for IODA IO-Hubs. We don't support mixing IODA
+ * and p5ioc2 due to the need to change some global
+ * probing flags
+ */
+ for_each_compatible_node(np, NULL, "ibm,ioda-hub") {
+ pnv_pci_init_ioda_hub(np);
+ found_ioda = 1;
+ }
/* Look for p5ioc2 IO-Hubs */
- for_each_compatible_node(np, NULL, "ibm,p5ioc2")
- pnv_pci_init_p5ioc2_hub(np);
+ if (!found_ioda)
+ for_each_compatible_node(np, NULL, "ibm,p5ioc2")
+ pnv_pci_init_p5ioc2_hub(np);
}
/* Setup the linkage between OF nodes and PHBs */
diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h
index d4dbc4950936..8bc479634643 100644
--- a/arch/powerpc/platforms/powernv/pci.h
+++ b/arch/powerpc/platforms/powernv/pci.h
@@ -9,9 +9,63 @@ enum pnv_phb_type {
PNV_PHB_IODA2,
};
+/* Precise PHB model for error management */
+enum pnv_phb_model {
+ PNV_PHB_MODEL_UNKNOWN,
+ PNV_PHB_MODEL_P5IOC2,
+ PNV_PHB_MODEL_P7IOC,
+};
+
+#define PNV_PCI_DIAG_BUF_SIZE 4096
+
+/* Data associated with a PE, including IOMMU tracking etc.. */
+struct pnv_ioda_pe {
+ /* A PE can be associated with a single device or an
+ * entire bus (& children). In the former case, pdev
+ * is populated, in the later case, pbus is.
+ */
+ struct pci_dev *pdev;
+ struct pci_bus *pbus;
+
+ /* Effective RID (device RID for a device PE and base bus
+ * RID with devfn 0 for a bus PE)
+ */
+ unsigned int rid;
+
+ /* PE number */
+ unsigned int pe_number;
+
+ /* "Weight" assigned to the PE for the sake of DMA resource
+ * allocations
+ */
+ unsigned int dma_weight;
+
+ /* This is a PCI-E -> PCI-X bridge, this points to the
+ * corresponding bus PE
+ */
+ struct pnv_ioda_pe *bus_pe;
+
+ /* "Base" iommu table, ie, 4K TCEs, 32-bit DMA */
+ int tce32_seg;
+ int tce32_segcount;
+ struct iommu_table tce32_table;
+
+ /* XXX TODO: Add support for additional 64-bit iommus */
+
+ /* MSIs. MVE index is identical for for 32 and 64 bit MSI
+ * and -1 if not supported. (It's actually identical to the
+ * PE number)
+ */
+ int mve_number;
+
+ /* Link in list of PE#s */
+ struct list_head link;
+};
+
struct pnv_phb {
struct pci_controller *hose;
enum pnv_phb_type type;
+ enum pnv_phb_model model;
u64 opal_id;
void __iomem *regs;
spinlock_t lock;
@@ -34,7 +88,52 @@ struct pnv_phb {
struct {
struct iommu_table iommu_table;
} p5ioc2;
+
+ struct {
+ /* Global bridge info */
+ unsigned int total_pe;
+ unsigned int m32_size;
+ unsigned int m32_segsize;
+ unsigned int m32_pci_base;
+ unsigned int io_size;
+ unsigned int io_segsize;
+ unsigned int io_pci_base;
+
+ /* PE allocation bitmap */
+ unsigned long *pe_alloc;
+
+ /* M32 & IO segment maps */
+ unsigned int *m32_segmap;
+ unsigned int *io_segmap;
+ struct pnv_ioda_pe *pe_array;
+
+ /* Reverse map of PEs, will have to extend if
+ * we are to support more than 256 PEs, indexed
+ * bus { bus, devfn }
+ */
+ unsigned char pe_rmap[0x10000];
+
+ /* 32-bit TCE tables allocation */
+ unsigned long tce32_count;
+
+ /* Total "weight" for the sake of DMA resources
+ * allocation
+ */
+ unsigned int dma_weight;
+ unsigned int dma_pe_count;
+
+ /* Sorted list of used PE's, sorted at
+ * boot for resource allocation purposes
+ */
+ struct list_head pe_list;
+ } ioda;
};
+
+ /* PHB status structure */
+ union {
+ unsigned char blob[PNV_PCI_DIAG_BUF_SIZE];
+ struct OpalIoP7IOCPhbErrorData p7ioc;
+ } diag;
};
extern struct pci_ops pnv_pci_ops;
@@ -43,6 +142,7 @@ extern void pnv_pci_setup_iommu_table(struct iommu_table *tbl,
void *tce_mem, u64 tce_size,
u64 dma_offset);
extern void pnv_pci_init_p5ioc2_hub(struct device_node *np);
+extern void pnv_pci_init_ioda_hub(struct device_node *np);
#endif /* __POWERNV_PCI_H */
diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c
index e87736685243..17210c526c52 100644
--- a/arch/powerpc/platforms/powernv/smp.c
+++ b/arch/powerpc/platforms/powernv/smp.c
@@ -75,7 +75,7 @@ int __devinit pnv_smp_kick_cpu(int nr)
/* On OPAL v2 the CPU are still spinning inside OPAL itself,
* get them back now
*/
- if (firmware_has_feature(FW_FEATURE_OPALv2)) {
+ if (!paca[nr].cpu_start && firmware_has_feature(FW_FEATURE_OPALv2)) {
pr_devel("OPAL: Starting CPU %d (HW 0x%x)...\n", nr, pcpu);
rc = opal_start_cpu(pcpu, start_here);
if (rc != OPAL_SUCCESS)
diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c
index 1d6f4f478fe2..617efa12a3a5 100644
--- a/arch/powerpc/platforms/ps3/interrupt.c
+++ b/arch/powerpc/platforms/ps3/interrupt.c
@@ -31,18 +31,18 @@
#if defined(DEBUG)
#define DBG udbg_printf
+#define FAIL udbg_printf
#else
-#define DBG pr_debug
+#define DBG pr_devel
+#define FAIL pr_debug
#endif
/**
* struct ps3_bmp - a per cpu irq status and mask bitmap structure
* @status: 256 bit status bitmap indexed by plug
- * @unused_1:
+ * @unused_1: Alignment
* @mask: 256 bit mask bitmap indexed by plug
- * @unused_2:
- * @lock:
- * @ipi_debug_brk_mask:
+ * @unused_2: Alignment
*
* The HV maintains per SMT thread mappings of HV outlet to HV plug on
* behalf of the guest. These mappings are implemented as 256 bit guest
@@ -73,21 +73,24 @@ struct ps3_bmp {
unsigned long mask;
u64 unused_2[3];
};
- u64 ipi_debug_brk_mask;
- spinlock_t lock;
};
/**
* struct ps3_private - a per cpu data structure
* @bmp: ps3_bmp structure
+ * @bmp_lock: Syncronize access to bmp.
+ * @ipi_debug_brk_mask: Mask for debug break IPIs
* @ppe_id: HV logical_ppe_id
* @thread_id: HV thread_id
+ * @ipi_mask: Mask of IPI virqs
*/
struct ps3_private {
struct ps3_bmp bmp __attribute__ ((aligned (PS3_BMP_MINALIGN)));
+ spinlock_t bmp_lock;
u64 ppe_id;
u64 thread_id;
+ unsigned long ipi_debug_brk_mask;
unsigned long ipi_mask;
};
@@ -105,7 +108,7 @@ static void ps3_chip_mask(struct irq_data *d)
struct ps3_private *pd = irq_data_get_irq_chip_data(d);
unsigned long flags;
- pr_debug("%s:%d: thread_id %llu, virq %d\n", __func__, __LINE__,
+ DBG("%s:%d: thread_id %llu, virq %d\n", __func__, __LINE__,
pd->thread_id, d->irq);
local_irq_save(flags);
@@ -126,7 +129,7 @@ static void ps3_chip_unmask(struct irq_data *d)
struct ps3_private *pd = irq_data_get_irq_chip_data(d);
unsigned long flags;
- pr_debug("%s:%d: thread_id %llu, virq %d\n", __func__, __LINE__,
+ DBG("%s:%d: thread_id %llu, virq %d\n", __func__, __LINE__,
pd->thread_id, d->irq);
local_irq_save(flags);
@@ -190,19 +193,19 @@ static int ps3_virq_setup(enum ps3_cpu_binding cpu, unsigned long outlet,
*virq = irq_create_mapping(NULL, outlet);
if (*virq == NO_IRQ) {
- pr_debug("%s:%d: irq_create_mapping failed: outlet %lu\n",
+ FAIL("%s:%d: irq_create_mapping failed: outlet %lu\n",
__func__, __LINE__, outlet);
result = -ENOMEM;
goto fail_create;
}
- pr_debug("%s:%d: outlet %lu => cpu %u, virq %u\n", __func__, __LINE__,
+ DBG("%s:%d: outlet %lu => cpu %u, virq %u\n", __func__, __LINE__,
outlet, cpu, *virq);
result = irq_set_chip_data(*virq, pd);
if (result) {
- pr_debug("%s:%d: irq_set_chip_data failed\n",
+ FAIL("%s:%d: irq_set_chip_data failed\n",
__func__, __LINE__);
goto fail_set;
}
@@ -228,13 +231,13 @@ static int ps3_virq_destroy(unsigned int virq)
{
const struct ps3_private *pd = irq_get_chip_data(virq);
- pr_debug("%s:%d: ppe_id %llu, thread_id %llu, virq %u\n", __func__,
+ DBG("%s:%d: ppe_id %llu, thread_id %llu, virq %u\n", __func__,
__LINE__, pd->ppe_id, pd->thread_id, virq);
irq_set_chip_data(virq, NULL);
irq_dispose_mapping(virq);
- pr_debug("%s:%d <-\n", __func__, __LINE__);
+ DBG("%s:%d <-\n", __func__, __LINE__);
return 0;
}
@@ -257,7 +260,7 @@ int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet,
result = ps3_virq_setup(cpu, outlet, virq);
if (result) {
- pr_debug("%s:%d: ps3_virq_setup failed\n", __func__, __LINE__);
+ FAIL("%s:%d: ps3_virq_setup failed\n", __func__, __LINE__);
goto fail_setup;
}
@@ -269,7 +272,7 @@ int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet,
outlet, 0);
if (result) {
- pr_info("%s:%d: lv1_connect_irq_plug_ext failed: %s\n",
+ FAIL("%s:%d: lv1_connect_irq_plug_ext failed: %s\n",
__func__, __LINE__, ps3_result(result));
result = -EPERM;
goto fail_connect;
@@ -298,7 +301,7 @@ int ps3_irq_plug_destroy(unsigned int virq)
int result;
const struct ps3_private *pd = irq_get_chip_data(virq);
- pr_debug("%s:%d: ppe_id %llu, thread_id %llu, virq %u\n", __func__,
+ DBG("%s:%d: ppe_id %llu, thread_id %llu, virq %u\n", __func__,
__LINE__, pd->ppe_id, pd->thread_id, virq);
ps3_chip_mask(irq_get_irq_data(virq));
@@ -306,7 +309,7 @@ int ps3_irq_plug_destroy(unsigned int virq)
result = lv1_disconnect_irq_plug_ext(pd->ppe_id, pd->thread_id, virq);
if (result)
- pr_info("%s:%d: lv1_disconnect_irq_plug_ext failed: %s\n",
+ FAIL("%s:%d: lv1_disconnect_irq_plug_ext failed: %s\n",
__func__, __LINE__, ps3_result(result));
ps3_virq_destroy(virq);
@@ -334,7 +337,7 @@ int ps3_event_receive_port_setup(enum ps3_cpu_binding cpu, unsigned int *virq)
result = lv1_construct_event_receive_port(&outlet);
if (result) {
- pr_debug("%s:%d: lv1_construct_event_receive_port failed: %s\n",
+ FAIL("%s:%d: lv1_construct_event_receive_port failed: %s\n",
__func__, __LINE__, ps3_result(result));
*virq = NO_IRQ;
return result;
@@ -360,14 +363,14 @@ int ps3_event_receive_port_destroy(unsigned int virq)
{
int result;
- pr_debug(" -> %s:%d virq %u\n", __func__, __LINE__, virq);
+ DBG(" -> %s:%d virq %u\n", __func__, __LINE__, virq);
ps3_chip_mask(irq_get_irq_data(virq));
result = lv1_destruct_event_receive_port(virq_to_hw(virq));
if (result)
- pr_debug("%s:%d: lv1_destruct_event_receive_port failed: %s\n",
+ FAIL("%s:%d: lv1_destruct_event_receive_port failed: %s\n",
__func__, __LINE__, ps3_result(result));
/*
@@ -375,7 +378,7 @@ int ps3_event_receive_port_destroy(unsigned int virq)
* calls from interrupt context (smp_call_function) when kexecing.
*/
- pr_debug(" <- %s:%d\n", __func__, __LINE__);
+ DBG(" <- %s:%d\n", __func__, __LINE__);
return result;
}
@@ -411,7 +414,7 @@ int ps3_sb_event_receive_port_setup(struct ps3_system_bus_device *dev,
dev->dev_id, virq_to_hw(*virq), dev->interrupt_id);
if (result) {
- pr_debug("%s:%d: lv1_connect_interrupt_event_receive_port"
+ FAIL("%s:%d: lv1_connect_interrupt_event_receive_port"
" failed: %s\n", __func__, __LINE__,
ps3_result(result));
ps3_event_receive_port_destroy(*virq);
@@ -419,7 +422,7 @@ int ps3_sb_event_receive_port_setup(struct ps3_system_bus_device *dev,
return result;
}
- pr_debug("%s:%d: interrupt_id %u, virq %u\n", __func__, __LINE__,
+ DBG("%s:%d: interrupt_id %u, virq %u\n", __func__, __LINE__,
dev->interrupt_id, *virq);
return 0;
@@ -433,14 +436,14 @@ int ps3_sb_event_receive_port_destroy(struct ps3_system_bus_device *dev,
int result;
- pr_debug(" -> %s:%d: interrupt_id %u, virq %u\n", __func__, __LINE__,
+ DBG(" -> %s:%d: interrupt_id %u, virq %u\n", __func__, __LINE__,
dev->interrupt_id, virq);
result = lv1_disconnect_interrupt_event_receive_port(dev->bus_id,
dev->dev_id, virq_to_hw(virq), dev->interrupt_id);
if (result)
- pr_debug("%s:%d: lv1_disconnect_interrupt_event_receive_port"
+ FAIL("%s:%d: lv1_disconnect_interrupt_event_receive_port"
" failed: %s\n", __func__, __LINE__,
ps3_result(result));
@@ -455,7 +458,7 @@ int ps3_sb_event_receive_port_destroy(struct ps3_system_bus_device *dev,
result = ps3_virq_destroy(virq);
BUG_ON(result);
- pr_debug(" <- %s:%d\n", __func__, __LINE__);
+ DBG(" <- %s:%d\n", __func__, __LINE__);
return result;
}
EXPORT_SYMBOL(ps3_sb_event_receive_port_destroy);
@@ -480,7 +483,7 @@ int ps3_io_irq_setup(enum ps3_cpu_binding cpu, unsigned int interrupt_id,
result = lv1_construct_io_irq_outlet(interrupt_id, &outlet);
if (result) {
- pr_debug("%s:%d: lv1_construct_io_irq_outlet failed: %s\n",
+ FAIL("%s:%d: lv1_construct_io_irq_outlet failed: %s\n",
__func__, __LINE__, ps3_result(result));
return result;
}
@@ -510,7 +513,7 @@ int ps3_io_irq_destroy(unsigned int virq)
result = lv1_destruct_io_irq_outlet(outlet);
if (result)
- pr_debug("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n",
+ FAIL("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n",
__func__, __LINE__, ps3_result(result));
return result;
@@ -542,7 +545,7 @@ int ps3_vuart_irq_setup(enum ps3_cpu_binding cpu, void* virt_addr_bmp,
result = lv1_configure_virtual_uart_irq(lpar_addr, &outlet);
if (result) {
- pr_debug("%s:%d: lv1_configure_virtual_uart_irq failed: %s\n",
+ FAIL("%s:%d: lv1_configure_virtual_uart_irq failed: %s\n",
__func__, __LINE__, ps3_result(result));
return result;
}
@@ -562,7 +565,7 @@ int ps3_vuart_irq_destroy(unsigned int virq)
result = lv1_deconfigure_virtual_uart_irq();
if (result) {
- pr_debug("%s:%d: lv1_configure_virtual_uart_irq failed: %s\n",
+ FAIL("%s:%d: lv1_configure_virtual_uart_irq failed: %s\n",
__func__, __LINE__, ps3_result(result));
return result;
}
@@ -595,7 +598,7 @@ int ps3_spe_irq_setup(enum ps3_cpu_binding cpu, unsigned long spe_id,
result = lv1_get_spe_irq_outlet(spe_id, class, &outlet);
if (result) {
- pr_debug("%s:%d: lv1_get_spe_irq_outlet failed: %s\n",
+ FAIL("%s:%d: lv1_get_spe_irq_outlet failed: %s\n",
__func__, __LINE__, ps3_result(result));
return result;
}
@@ -626,7 +629,7 @@ int ps3_spe_irq_destroy(unsigned int virq)
static void _dump_64_bmp(const char *header, const u64 *p, unsigned cpu,
const char* func, int line)
{
- pr_debug("%s:%d: %s %u {%04lx_%04lx_%04lx_%04lx}\n",
+ pr_debug("%s:%d: %s %u {%04llx_%04llx_%04llx_%04llx}\n",
func, line, header, cpu,
*p >> 48, (*p >> 32) & 0xffff, (*p >> 16) & 0xffff,
*p & 0xffff);
@@ -635,7 +638,7 @@ static void _dump_64_bmp(const char *header, const u64 *p, unsigned cpu,
static void __maybe_unused _dump_256_bmp(const char *header,
const u64 *p, unsigned cpu, const char* func, int line)
{
- pr_debug("%s:%d: %s %u {%016lx:%016lx:%016lx:%016lx}\n",
+ pr_debug("%s:%d: %s %u {%016llx:%016llx:%016llx:%016llx}\n",
func, line, header, cpu, p[0], p[1], p[2], p[3]);
}
@@ -644,10 +647,10 @@ static void _dump_bmp(struct ps3_private* pd, const char* func, int line)
{
unsigned long flags;
- spin_lock_irqsave(&pd->bmp.lock, flags);
+ spin_lock_irqsave(&pd->bmp_lock, flags);
_dump_64_bmp("stat", &pd->bmp.status, pd->thread_id, func, line);
- _dump_64_bmp("mask", &pd->bmp.mask, pd->thread_id, func, line);
- spin_unlock_irqrestore(&pd->bmp.lock, flags);
+ _dump_64_bmp("mask", (u64*)&pd->bmp.mask, pd->thread_id, func, line);
+ spin_unlock_irqrestore(&pd->bmp_lock, flags);
}
#define dump_mask(_x) _dump_mask(_x, __func__, __LINE__)
@@ -656,9 +659,9 @@ static void __maybe_unused _dump_mask(struct ps3_private *pd,
{
unsigned long flags;
- spin_lock_irqsave(&pd->bmp.lock, flags);
- _dump_64_bmp("mask", &pd->bmp.mask, pd->thread_id, func, line);
- spin_unlock_irqrestore(&pd->bmp.lock, flags);
+ spin_lock_irqsave(&pd->bmp_lock, flags);
+ _dump_64_bmp("mask", (u64*)&pd->bmp.mask, pd->thread_id, func, line);
+ spin_unlock_irqrestore(&pd->bmp_lock, flags);
}
#else
static void dump_bmp(struct ps3_private* pd) {};
@@ -667,7 +670,7 @@ static void dump_bmp(struct ps3_private* pd) {};
static int ps3_host_map(struct irq_host *h, unsigned int virq,
irq_hw_number_t hwirq)
{
- pr_debug("%s:%d: hwirq %lu, virq %u\n", __func__, __LINE__, hwirq,
+ DBG("%s:%d: hwirq %lu, virq %u\n", __func__, __LINE__, hwirq,
virq);
irq_set_chip_and_handler(virq, &ps3_irq_chip, handle_fasteoi_irq);
@@ -690,10 +693,10 @@ void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq)
{
struct ps3_private *pd = &per_cpu(ps3_private, cpu);
- pd->bmp.ipi_debug_brk_mask = 0x8000000000000000UL >> virq;
+ set_bit(63 - virq, &pd->ipi_debug_brk_mask);
- pr_debug("%s:%d: cpu %u, virq %u, mask %llxh\n", __func__, __LINE__,
- cpu, virq, pd->bmp.ipi_debug_brk_mask);
+ DBG("%s:%d: cpu %u, virq %u, mask %lxh\n", __func__, __LINE__,
+ cpu, virq, pd->ipi_debug_brk_mask);
}
void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq)
@@ -714,14 +717,14 @@ static unsigned int ps3_get_irq(void)
/* check for ipi break first to stop this cpu ASAP */
- if (x & pd->bmp.ipi_debug_brk_mask)
- x &= pd->bmp.ipi_debug_brk_mask;
+ if (x & pd->ipi_debug_brk_mask)
+ x &= pd->ipi_debug_brk_mask;
asm volatile("cntlzd %0,%1" : "=r" (plug) : "r" (x));
plug &= 0x3f;
if (unlikely(plug == NO_IRQ)) {
- pr_debug("%s:%d: no plug found: thread_id %llu\n", __func__,
+ DBG("%s:%d: no plug found: thread_id %llu\n", __func__,
__LINE__, pd->thread_id);
dump_bmp(&per_cpu(ps3_private, 0));
dump_bmp(&per_cpu(ps3_private, 1));
@@ -760,9 +763,9 @@ void __init ps3_init_IRQ(void)
lv1_get_logical_ppe_id(&pd->ppe_id);
pd->thread_id = get_hard_smp_processor_id(cpu);
- spin_lock_init(&pd->bmp.lock);
+ spin_lock_init(&pd->bmp_lock);
- pr_debug("%s:%d: ppe_id %llu, thread_id %llu, bmp %lxh\n",
+ DBG("%s:%d: ppe_id %llu, thread_id %llu, bmp %lxh\n",
__func__, __LINE__, pd->ppe_id, pd->thread_id,
ps3_mm_phys_to_lpar(__pa(&pd->bmp)));
@@ -770,7 +773,7 @@ void __init ps3_init_IRQ(void)
pd->thread_id, ps3_mm_phys_to_lpar(__pa(&pd->bmp)));
if (result)
- pr_debug("%s:%d: lv1_configure_irq_state_bitmap failed:"
+ FAIL("%s:%d: lv1_configure_irq_state_bitmap failed:"
" %s\n", __func__, __LINE__,
ps3_result(result));
}
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index 72714ad27842..8bd6ba542691 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -319,7 +319,6 @@ static int __init ps3_mm_add_memory(void)
}
memblock_add(start_addr, map.r1.size);
- memblock_analyze();
result = online_pages(start_pfn, nr_pages);
diff --git a/arch/powerpc/platforms/ps3/repository.c b/arch/powerpc/platforms/ps3/repository.c
index ca40f6afd35d..7bdfea336f5e 100644
--- a/arch/powerpc/platforms/ps3/repository.c
+++ b/arch/powerpc/platforms/ps3/repository.c
@@ -44,7 +44,7 @@ static void _dump_field(const char *hdr, u64 n, const char *func, int line)
s[i] = (in[i] <= 126 && in[i] >= 32) ? in[i] : '.';
s[i] = 0;
- pr_debug("%s:%d: %s%016llx : %s\n", func, line, hdr, n, s);
+ pr_devel("%s:%d: %s%016llx : %s\n", func, line, hdr, n, s);
#endif
}
@@ -53,7 +53,7 @@ static void _dump_field(const char *hdr, u64 n, const char *func, int line)
static void _dump_node_name(unsigned int lpar_id, u64 n1, u64 n2, u64 n3,
u64 n4, const char *func, int line)
{
- pr_debug("%s:%d: lpar: %u\n", func, line, lpar_id);
+ pr_devel("%s:%d: lpar: %u\n", func, line, lpar_id);
_dump_field("n1: ", n1, func, line);
_dump_field("n2: ", n2, func, line);
_dump_field("n3: ", n3, func, line);
@@ -65,13 +65,13 @@ static void _dump_node_name(unsigned int lpar_id, u64 n1, u64 n2, u64 n3,
static void _dump_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4,
u64 v1, u64 v2, const char *func, int line)
{
- pr_debug("%s:%d: lpar: %u\n", func, line, lpar_id);
+ pr_devel("%s:%d: lpar: %u\n", func, line, lpar_id);
_dump_field("n1: ", n1, func, line);
_dump_field("n2: ", n2, func, line);
_dump_field("n3: ", n3, func, line);
_dump_field("n4: ", n4, func, line);
- pr_debug("%s:%d: v1: %016llx\n", func, line, v1);
- pr_debug("%s:%d: v2: %016llx\n", func, line, v2);
+ pr_devel("%s:%d: v1: %016llx\n", func, line, v1);
+ pr_devel("%s:%d: v2: %016llx\n", func, line, v2);
}
/**
@@ -131,11 +131,11 @@ static int read_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4,
lpar_id = id;
}
- result = lv1_get_repository_node_value(lpar_id, n1, n2, n3, n4, &v1,
+ result = lv1_read_repository_node(lpar_id, n1, n2, n3, n4, &v1,
&v2);
if (result) {
- pr_debug("%s:%d: lv1_get_repository_node_value failed: %s\n",
+ pr_warn("%s:%d: lv1_read_repository_node failed: %s\n",
__func__, __LINE__, ps3_result(result));
dump_node_name(lpar_id, n1, n2, n3, n4);
return -ENOENT;
@@ -149,10 +149,10 @@ static int read_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4,
*_v2 = v2;
if (v1 && !_v1)
- pr_debug("%s:%d: warning: discarding non-zero v1: %016llx\n",
+ pr_devel("%s:%d: warning: discarding non-zero v1: %016llx\n",
__func__, __LINE__, v1);
if (v2 && !_v2)
- pr_debug("%s:%d: warning: discarding non-zero v2: %016llx\n",
+ pr_devel("%s:%d: warning: discarding non-zero v2: %016llx\n",
__func__, __LINE__, v2);
return 0;
@@ -323,16 +323,16 @@ int ps3_repository_find_device(struct ps3_repository_device *repo)
result = ps3_repository_read_bus_num_dev(tmp.bus_index, &num_dev);
if (result) {
- pr_debug("%s:%d read_bus_num_dev failed\n", __func__, __LINE__);
+ pr_devel("%s:%d read_bus_num_dev failed\n", __func__, __LINE__);
return result;
}
- pr_debug("%s:%d: bus_type %u, bus_index %u, bus_id %llu, num_dev %u\n",
+ pr_devel("%s:%d: bus_type %u, bus_index %u, bus_id %llu, num_dev %u\n",
__func__, __LINE__, tmp.bus_type, tmp.bus_index, tmp.bus_id,
num_dev);
if (tmp.dev_index >= num_dev) {
- pr_debug("%s:%d: no device found\n", __func__, __LINE__);
+ pr_devel("%s:%d: no device found\n", __func__, __LINE__);
return -ENODEV;
}
@@ -340,7 +340,7 @@ int ps3_repository_find_device(struct ps3_repository_device *repo)
&tmp.dev_type);
if (result) {
- pr_debug("%s:%d read_dev_type failed\n", __func__, __LINE__);
+ pr_devel("%s:%d read_dev_type failed\n", __func__, __LINE__);
return result;
}
@@ -348,12 +348,12 @@ int ps3_repository_find_device(struct ps3_repository_device *repo)
&tmp.dev_id);
if (result) {
- pr_debug("%s:%d ps3_repository_read_dev_id failed\n", __func__,
+ pr_devel("%s:%d ps3_repository_read_dev_id failed\n", __func__,
__LINE__);
return result;
}
- pr_debug("%s:%d: found: dev_type %u, dev_index %u, dev_id %llu\n",
+ pr_devel("%s:%d: found: dev_type %u, dev_index %u, dev_id %llu\n",
__func__, __LINE__, tmp.dev_type, tmp.dev_index, tmp.dev_id);
*repo = tmp;
@@ -367,14 +367,14 @@ int ps3_repository_find_device_by_id(struct ps3_repository_device *repo,
struct ps3_repository_device tmp;
unsigned int num_dev;
- pr_debug(" -> %s:%u: find device by id %llu:%llu\n", __func__, __LINE__,
+ pr_devel(" -> %s:%u: find device by id %llu:%llu\n", __func__, __LINE__,
bus_id, dev_id);
for (tmp.bus_index = 0; tmp.bus_index < 10; tmp.bus_index++) {
result = ps3_repository_read_bus_id(tmp.bus_index,
&tmp.bus_id);
if (result) {
- pr_debug("%s:%u read_bus_id(%u) failed\n", __func__,
+ pr_devel("%s:%u read_bus_id(%u) failed\n", __func__,
__LINE__, tmp.bus_index);
return result;
}
@@ -382,23 +382,23 @@ int ps3_repository_find_device_by_id(struct ps3_repository_device *repo,
if (tmp.bus_id == bus_id)
goto found_bus;
- pr_debug("%s:%u: skip, bus_id %llu\n", __func__, __LINE__,
+ pr_devel("%s:%u: skip, bus_id %llu\n", __func__, __LINE__,
tmp.bus_id);
}
- pr_debug(" <- %s:%u: bus not found\n", __func__, __LINE__);
+ pr_devel(" <- %s:%u: bus not found\n", __func__, __LINE__);
return result;
found_bus:
result = ps3_repository_read_bus_type(tmp.bus_index, &tmp.bus_type);
if (result) {
- pr_debug("%s:%u read_bus_type(%u) failed\n", __func__,
+ pr_devel("%s:%u read_bus_type(%u) failed\n", __func__,
__LINE__, tmp.bus_index);
return result;
}
result = ps3_repository_read_bus_num_dev(tmp.bus_index, &num_dev);
if (result) {
- pr_debug("%s:%u read_bus_num_dev failed\n", __func__,
+ pr_devel("%s:%u read_bus_num_dev failed\n", __func__,
__LINE__);
return result;
}
@@ -408,7 +408,7 @@ found_bus:
tmp.dev_index,
&tmp.dev_id);
if (result) {
- pr_debug("%s:%u read_dev_id(%u:%u) failed\n", __func__,
+ pr_devel("%s:%u read_dev_id(%u:%u) failed\n", __func__,
__LINE__, tmp.bus_index, tmp.dev_index);
return result;
}
@@ -416,21 +416,21 @@ found_bus:
if (tmp.dev_id == dev_id)
goto found_dev;
- pr_debug("%s:%u: skip, dev_id %llu\n", __func__, __LINE__,
+ pr_devel("%s:%u: skip, dev_id %llu\n", __func__, __LINE__,
tmp.dev_id);
}
- pr_debug(" <- %s:%u: dev not found\n", __func__, __LINE__);
+ pr_devel(" <- %s:%u: dev not found\n", __func__, __LINE__);
return result;
found_dev:
result = ps3_repository_read_dev_type(tmp.bus_index, tmp.dev_index,
&tmp.dev_type);
if (result) {
- pr_debug("%s:%u read_dev_type failed\n", __func__, __LINE__);
+ pr_devel("%s:%u read_dev_type failed\n", __func__, __LINE__);
return result;
}
- pr_debug(" <- %s:%u: found: type (%u:%u) index (%u:%u) id (%llu:%llu)\n",
+ pr_devel(" <- %s:%u: found: type (%u:%u) index (%u:%u) id (%llu:%llu)\n",
__func__, __LINE__, tmp.bus_type, tmp.dev_type, tmp.bus_index,
tmp.dev_index, tmp.bus_id, tmp.dev_id);
*repo = tmp;
@@ -443,18 +443,18 @@ int __devinit ps3_repository_find_devices(enum ps3_bus_type bus_type,
int result = 0;
struct ps3_repository_device repo;
- pr_debug(" -> %s:%d: find bus_type %u\n", __func__, __LINE__, bus_type);
+ pr_devel(" -> %s:%d: find bus_type %u\n", __func__, __LINE__, bus_type);
repo.bus_type = bus_type;
result = ps3_repository_find_bus(repo.bus_type, 0, &repo.bus_index);
if (result) {
- pr_debug(" <- %s:%u: bus not found\n", __func__, __LINE__);
+ pr_devel(" <- %s:%u: bus not found\n", __func__, __LINE__);
return result;
}
result = ps3_repository_read_bus_id(repo.bus_index, &repo.bus_id);
if (result) {
- pr_debug("%s:%d read_bus_id(%u) failed\n", __func__, __LINE__,
+ pr_devel("%s:%d read_bus_id(%u) failed\n", __func__, __LINE__,
repo.bus_index);
return result;
}
@@ -469,13 +469,13 @@ int __devinit ps3_repository_find_devices(enum ps3_bus_type bus_type,
result = callback(&repo);
if (result) {
- pr_debug("%s:%d: abort at callback\n", __func__,
+ pr_devel("%s:%d: abort at callback\n", __func__,
__LINE__);
break;
}
}
- pr_debug(" <- %s:%d\n", __func__, __LINE__);
+ pr_devel(" <- %s:%d\n", __func__, __LINE__);
return result;
}
@@ -489,7 +489,7 @@ int ps3_repository_find_bus(enum ps3_bus_type bus_type, unsigned int from,
for (i = from; i < 10; i++) {
error = ps3_repository_read_bus_type(i, &type);
if (error) {
- pr_debug("%s:%d read_bus_type failed\n",
+ pr_devel("%s:%d read_bus_type failed\n",
__func__, __LINE__);
*bus_index = UINT_MAX;
return error;
@@ -509,7 +509,7 @@ int ps3_repository_find_interrupt(const struct ps3_repository_device *repo,
int result = 0;
unsigned int res_index;
- pr_debug("%s:%d: find intr_type %u\n", __func__, __LINE__, intr_type);
+ pr_devel("%s:%d: find intr_type %u\n", __func__, __LINE__, intr_type);
*interrupt_id = UINT_MAX;
@@ -521,7 +521,7 @@ int ps3_repository_find_interrupt(const struct ps3_repository_device *repo,
repo->dev_index, res_index, &t, &id);
if (result) {
- pr_debug("%s:%d read_dev_intr failed\n",
+ pr_devel("%s:%d read_dev_intr failed\n",
__func__, __LINE__);
return result;
}
@@ -535,7 +535,7 @@ int ps3_repository_find_interrupt(const struct ps3_repository_device *repo,
if (res_index == 10)
return -ENODEV;
- pr_debug("%s:%d: found intr_type %u at res_index %u\n",
+ pr_devel("%s:%d: found intr_type %u at res_index %u\n",
__func__, __LINE__, intr_type, res_index);
return result;
@@ -547,7 +547,7 @@ int ps3_repository_find_reg(const struct ps3_repository_device *repo,
int result = 0;
unsigned int res_index;
- pr_debug("%s:%d: find reg_type %u\n", __func__, __LINE__, reg_type);
+ pr_devel("%s:%d: find reg_type %u\n", __func__, __LINE__, reg_type);
*bus_addr = *len = 0;
@@ -560,7 +560,7 @@ int ps3_repository_find_reg(const struct ps3_repository_device *repo,
repo->dev_index, res_index, &t, &a, &l);
if (result) {
- pr_debug("%s:%d read_dev_reg failed\n",
+ pr_devel("%s:%d read_dev_reg failed\n",
__func__, __LINE__);
return result;
}
@@ -575,7 +575,7 @@ int ps3_repository_find_reg(const struct ps3_repository_device *repo,
if (res_index == 10)
return -ENODEV;
- pr_debug("%s:%d: found reg_type %u at res_index %u\n",
+ pr_devel("%s:%d: found reg_type %u at res_index %u\n",
__func__, __LINE__, reg_type, res_index);
return result;
@@ -1009,7 +1009,7 @@ int ps3_repository_dump_resource_info(const struct ps3_repository_device *repo)
int result = 0;
unsigned int res_index;
- pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
+ pr_devel(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
repo->bus_index, repo->dev_index);
for (res_index = 0; res_index < 10; res_index++) {
@@ -1021,13 +1021,13 @@ int ps3_repository_dump_resource_info(const struct ps3_repository_device *repo)
if (result) {
if (result != LV1_NO_ENTRY)
- pr_debug("%s:%d ps3_repository_read_dev_intr"
+ pr_devel("%s:%d ps3_repository_read_dev_intr"
" (%u:%u) failed\n", __func__, __LINE__,
repo->bus_index, repo->dev_index);
break;
}
- pr_debug("%s:%d (%u:%u) intr_type %u, interrupt_id %u\n",
+ pr_devel("%s:%d (%u:%u) intr_type %u, interrupt_id %u\n",
__func__, __LINE__, repo->bus_index, repo->dev_index,
intr_type, interrupt_id);
}
@@ -1042,18 +1042,18 @@ int ps3_repository_dump_resource_info(const struct ps3_repository_device *repo)
if (result) {
if (result != LV1_NO_ENTRY)
- pr_debug("%s:%d ps3_repository_read_dev_reg"
+ pr_devel("%s:%d ps3_repository_read_dev_reg"
" (%u:%u) failed\n", __func__, __LINE__,
repo->bus_index, repo->dev_index);
break;
}
- pr_debug("%s:%d (%u:%u) reg_type %u, bus_addr %lxh, len %lxh\n",
+ pr_devel("%s:%d (%u:%u) reg_type %u, bus_addr %llxh, len %llxh\n",
__func__, __LINE__, repo->bus_index, repo->dev_index,
reg_type, bus_addr, len);
}
- pr_debug(" <- %s:%d\n", __func__, __LINE__);
+ pr_devel(" <- %s:%d\n", __func__, __LINE__);
return result;
}
@@ -1063,22 +1063,22 @@ static int dump_stor_dev_info(struct ps3_repository_device *repo)
unsigned int num_regions, region_index;
u64 port, blk_size, num_blocks;
- pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
+ pr_devel(" -> %s:%d: (%u:%u)\n", __func__, __LINE__,
repo->bus_index, repo->dev_index);
result = ps3_repository_read_stor_dev_info(repo->bus_index,
repo->dev_index, &port, &blk_size, &num_blocks, &num_regions);
if (result) {
- pr_debug("%s:%d ps3_repository_read_stor_dev_info"
+ pr_devel("%s:%d ps3_repository_read_stor_dev_info"
" (%u:%u) failed\n", __func__, __LINE__,
repo->bus_index, repo->dev_index);
goto out;
}
- pr_debug("%s:%d (%u:%u): port %lu, blk_size %lu, num_blocks "
- "%lu, num_regions %u\n",
- __func__, __LINE__, repo->bus_index, repo->dev_index, port,
- blk_size, num_blocks, num_regions);
+ pr_devel("%s:%d (%u:%u): port %llu, blk_size %llu, num_blocks "
+ "%llu, num_regions %u\n",
+ __func__, __LINE__, repo->bus_index, repo->dev_index,
+ port, blk_size, num_blocks, num_regions);
for (region_index = 0; region_index < num_regions; region_index++) {
unsigned int region_id;
@@ -1088,19 +1088,20 @@ static int dump_stor_dev_info(struct ps3_repository_device *repo)
repo->dev_index, region_index, &region_id,
&region_start, &region_size);
if (result) {
- pr_debug("%s:%d ps3_repository_read_stor_dev_region"
+ pr_devel("%s:%d ps3_repository_read_stor_dev_region"
" (%u:%u) failed\n", __func__, __LINE__,
repo->bus_index, repo->dev_index);
break;
}
- pr_debug("%s:%d (%u:%u) region_id %u, start %lxh, size %lxh\n",
+ pr_devel("%s:%d (%u:%u) region_id %u, start %lxh, size %lxh\n",
__func__, __LINE__, repo->bus_index, repo->dev_index,
- region_id, region_start, region_size);
+ region_id, (unsigned long)region_start,
+ (unsigned long)region_size);
}
out:
- pr_debug(" <- %s:%d\n", __func__, __LINE__);
+ pr_devel(" <- %s:%d\n", __func__, __LINE__);
return result;
}
@@ -1109,7 +1110,7 @@ static int dump_device_info(struct ps3_repository_device *repo,
{
int result = 0;
- pr_debug(" -> %s:%d: bus_%u\n", __func__, __LINE__, repo->bus_index);
+ pr_devel(" -> %s:%d: bus_%u\n", __func__, __LINE__, repo->bus_index);
for (repo->dev_index = 0; repo->dev_index < num_dev;
repo->dev_index++) {
@@ -1118,7 +1119,7 @@ static int dump_device_info(struct ps3_repository_device *repo,
repo->dev_index, &repo->dev_type);
if (result) {
- pr_debug("%s:%d ps3_repository_read_dev_type"
+ pr_devel("%s:%d ps3_repository_read_dev_type"
" (%u:%u) failed\n", __func__, __LINE__,
repo->bus_index, repo->dev_index);
break;
@@ -1128,15 +1129,15 @@ static int dump_device_info(struct ps3_repository_device *repo,
repo->dev_index, &repo->dev_id);
if (result) {
- pr_debug("%s:%d ps3_repository_read_dev_id"
+ pr_devel("%s:%d ps3_repository_read_dev_id"
" (%u:%u) failed\n", __func__, __LINE__,
repo->bus_index, repo->dev_index);
continue;
}
- pr_debug("%s:%d (%u:%u): dev_type %u, dev_id %lu\n", __func__,
+ pr_devel("%s:%d (%u:%u): dev_type %u, dev_id %lu\n", __func__,
__LINE__, repo->bus_index, repo->dev_index,
- repo->dev_type, repo->dev_id);
+ repo->dev_type, (unsigned long)repo->dev_id);
ps3_repository_dump_resource_info(repo);
@@ -1144,7 +1145,7 @@ static int dump_device_info(struct ps3_repository_device *repo,
dump_stor_dev_info(repo);
}
- pr_debug(" <- %s:%d\n", __func__, __LINE__);
+ pr_devel(" <- %s:%d\n", __func__, __LINE__);
return result;
}
@@ -1153,7 +1154,7 @@ int ps3_repository_dump_bus_info(void)
int result = 0;
struct ps3_repository_device repo;
- pr_debug(" -> %s:%d\n", __func__, __LINE__);
+ pr_devel(" -> %s:%d\n", __func__, __LINE__);
memset(&repo, 0, sizeof(repo));
@@ -1164,7 +1165,7 @@ int ps3_repository_dump_bus_info(void)
&repo.bus_type);
if (result) {
- pr_debug("%s:%d read_bus_type(%u) failed\n",
+ pr_devel("%s:%d read_bus_type(%u) failed\n",
__func__, __LINE__, repo.bus_index);
break;
}
@@ -1173,32 +1174,32 @@ int ps3_repository_dump_bus_info(void)
&repo.bus_id);
if (result) {
- pr_debug("%s:%d read_bus_id(%u) failed\n",
+ pr_devel("%s:%d read_bus_id(%u) failed\n",
__func__, __LINE__, repo.bus_index);
continue;
}
if (repo.bus_index != repo.bus_id)
- pr_debug("%s:%d bus_index != bus_id\n",
+ pr_devel("%s:%d bus_index != bus_id\n",
__func__, __LINE__);
result = ps3_repository_read_bus_num_dev(repo.bus_index,
&num_dev);
if (result) {
- pr_debug("%s:%d read_bus_num_dev(%u) failed\n",
+ pr_devel("%s:%d read_bus_num_dev(%u) failed\n",
__func__, __LINE__, repo.bus_index);
continue;
}
- pr_debug("%s:%d bus_%u: bus_type %u, bus_id %lu, num_dev %u\n",
+ pr_devel("%s:%d bus_%u: bus_type %u, bus_id %lu, num_dev %u\n",
__func__, __LINE__, repo.bus_index, repo.bus_type,
- repo.bus_id, num_dev);
+ (unsigned long)repo.bus_id, num_dev);
dump_device_info(&repo, num_dev);
}
- pr_debug(" <- %s:%d\n", __func__, __LINE__);
+ pr_devel(" <- %s:%d\n", __func__, __LINE__);
return result;
}
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
index e8ec1b2bfffd..2d664c5a83b0 100644
--- a/arch/powerpc/platforms/ps3/setup.c
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -193,10 +193,12 @@ static int ps3_set_dabr(unsigned long dabr)
static void __init ps3_setup_arch(void)
{
+ u64 tmp;
DBG(" -> %s:%d\n", __func__, __LINE__);
- lv1_get_version_info(&ps3_firmware_version.raw);
+ lv1_get_version_info(&ps3_firmware_version.raw, &tmp);
+
printk(KERN_INFO "PS3 firmware version %u.%u.%u\n",
ps3_firmware_version.major, ps3_firmware_version.minor,
ps3_firmware_version.rev);
diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c
index efc1cd8c034a..4b35166229fe 100644
--- a/arch/powerpc/platforms/ps3/smp.c
+++ b/arch/powerpc/platforms/ps3/smp.c
@@ -57,7 +57,7 @@ static void ps3_smp_message_pass(int cpu, int msg)
" (%d)\n", __func__, __LINE__, cpu, msg, result);
}
-static int ps3_smp_probe(void)
+static int __init ps3_smp_probe(void)
{
int cpu;
diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c
index 451fad1c92a8..e17fa1432d80 100644
--- a/arch/powerpc/platforms/ps3/spu.c
+++ b/arch/powerpc/platforms/ps3/spu.c
@@ -154,7 +154,7 @@ static unsigned long get_vas_id(void)
u64 id;
lv1_get_logical_ppe_id(&id);
- lv1_get_virtual_address_space_id_of_ppe(id, &id);
+ lv1_get_virtual_address_space_id_of_ppe(&id);
return id;
}
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig
index c81f6bb9c10f..31f22c1f657d 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -120,3 +120,12 @@ config DTL
which are accessible through a debugfs file.
Say N if you are unsure.
+
+config PSERIES_IDLE
+ bool "Cpuidle driver for pSeries platforms"
+ depends on CPU_IDLE
+ depends on PPC_PSERIES
+ default y
+ help
+ Select this option to enable processor idle state management
+ through cpuidle subsystem.
diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile
index 3556e402cbf5..236db46b4078 100644
--- a/arch/powerpc/platforms/pseries/Makefile
+++ b/arch/powerpc/platforms/pseries/Makefile
@@ -22,6 +22,7 @@ obj-$(CONFIG_PHYP_DUMP) += phyp_dump.o
obj-$(CONFIG_CMM) += cmm.o
obj-$(CONFIG_DTL) += dtl.o
obj-$(CONFIG_IO_EVENT_IRQ) += io_event_irq.o
+obj-$(CONFIG_PSERIES_IDLE) += processor_idle.o
ifeq ($(CONFIG_PPC_PSERIES),y)
obj-$(CONFIG_SUSPEND) += suspend.o
diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c
index 3cafc306b971..c638535753df 100644
--- a/arch/powerpc/platforms/pseries/cmm.c
+++ b/arch/powerpc/platforms/pseries/cmm.c
@@ -33,7 +33,7 @@
#include <linux/sched.h>
#include <linux/stringify.h>
#include <linux/swap.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
#include <asm/firmware.h>
#include <asm/hvcall.h>
#include <asm/mmu.h>
@@ -65,7 +65,7 @@ static unsigned int oom_kb = CMM_OOM_KB;
static unsigned int cmm_debug = CMM_DEBUG;
static unsigned int cmm_disabled = CMM_DISABLE;
static unsigned long min_mem_mb = CMM_MIN_MEM_MB;
-static struct sys_device cmm_sysdev;
+static struct device cmm_dev;
MODULE_AUTHOR("Brian King <brking@linux.vnet.ibm.com>");
MODULE_DESCRIPTION("IBM System p Collaborative Memory Manager");
@@ -347,25 +347,25 @@ static int cmm_thread(void *dummy)
}
#define CMM_SHOW(name, format, args...) \
- static ssize_t show_##name(struct sys_device *dev, \
- struct sysdev_attribute *attr, \
+ static ssize_t show_##name(struct device *dev, \
+ struct device_attribute *attr, \
char *buf) \
{ \
return sprintf(buf, format, ##args); \
} \
- static SYSDEV_ATTR(name, S_IRUGO, show_##name, NULL)
+ static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
CMM_SHOW(loaned_kb, "%lu\n", PAGES2KB(loaned_pages));
CMM_SHOW(loaned_target_kb, "%lu\n", PAGES2KB(loaned_pages_target));
-static ssize_t show_oom_pages(struct sys_device *dev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t show_oom_pages(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%lu\n", PAGES2KB(oom_freed_pages));
}
-static ssize_t store_oom_pages(struct sys_device *dev,
- struct sysdev_attribute *attr,
+static ssize_t store_oom_pages(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count)
{
unsigned long val = simple_strtoul (buf, NULL, 10);
@@ -379,17 +379,18 @@ static ssize_t store_oom_pages(struct sys_device *dev,
return count;
}
-static SYSDEV_ATTR(oom_freed_kb, S_IWUSR| S_IRUGO,
+static DEVICE_ATTR(oom_freed_kb, S_IWUSR | S_IRUGO,
show_oom_pages, store_oom_pages);
-static struct sysdev_attribute *cmm_attrs[] = {
- &attr_loaned_kb,
- &attr_loaned_target_kb,
- &attr_oom_freed_kb,
+static struct device_attribute *cmm_attrs[] = {
+ &dev_attr_loaned_kb,
+ &dev_attr_loaned_target_kb,
+ &dev_attr_oom_freed_kb,
};
-static struct sysdev_class cmm_sysdev_class = {
+static struct bus_type cmm_subsys = {
.name = "cmm",
+ .dev_name = "cmm",
};
/**
@@ -398,21 +399,21 @@ static struct sysdev_class cmm_sysdev_class = {
* Return value:
* 0 on success / other on failure
**/
-static int cmm_sysfs_register(struct sys_device *sysdev)
+static int cmm_sysfs_register(struct device *dev)
{
int i, rc;
- if ((rc = sysdev_class_register(&cmm_sysdev_class)))
+ if ((rc = subsys_system_register(&cmm_subsys, NULL)))
return rc;
- sysdev->id = 0;
- sysdev->cls = &cmm_sysdev_class;
+ dev->id = 0;
+ dev->bus = &cmm_subsys;
- if ((rc = sysdev_register(sysdev)))
- goto class_unregister;
+ if ((rc = device_register(dev)))
+ goto subsys_unregister;
for (i = 0; i < ARRAY_SIZE(cmm_attrs); i++) {
- if ((rc = sysdev_create_file(sysdev, cmm_attrs[i])))
+ if ((rc = device_create_file(dev, cmm_attrs[i])))
goto fail;
}
@@ -420,10 +421,10 @@ static int cmm_sysfs_register(struct sys_device *sysdev)
fail:
while (--i >= 0)
- sysdev_remove_file(sysdev, cmm_attrs[i]);
- sysdev_unregister(sysdev);
-class_unregister:
- sysdev_class_unregister(&cmm_sysdev_class);
+ device_remove_file(dev, cmm_attrs[i]);
+ device_unregister(dev);
+subsys_unregister:
+ bus_unregister(&cmm_subsys);
return rc;
}
@@ -431,14 +432,14 @@ class_unregister:
* cmm_unregister_sysfs - Unregister from sysfs
*
**/
-static void cmm_unregister_sysfs(struct sys_device *sysdev)
+static void cmm_unregister_sysfs(struct device *dev)
{
int i;
for (i = 0; i < ARRAY_SIZE(cmm_attrs); i++)
- sysdev_remove_file(sysdev, cmm_attrs[i]);
- sysdev_unregister(sysdev);
- sysdev_class_unregister(&cmm_sysdev_class);
+ device_remove_file(dev, cmm_attrs[i]);
+ device_unregister(dev);
+ bus_unregister(&cmm_subsys);
}
/**
@@ -657,7 +658,7 @@ static int cmm_init(void)
if ((rc = register_reboot_notifier(&cmm_reboot_nb)))
goto out_oom_notifier;
- if ((rc = cmm_sysfs_register(&cmm_sysdev)))
+ if ((rc = cmm_sysfs_register(&cmm_dev)))
goto out_reboot_notifier;
if (register_memory_notifier(&cmm_mem_nb) ||
@@ -678,7 +679,7 @@ static int cmm_init(void)
out_unregister_notifier:
unregister_memory_notifier(&cmm_mem_nb);
unregister_memory_isolate_notifier(&cmm_mem_isolate_nb);
- cmm_unregister_sysfs(&cmm_sysdev);
+ cmm_unregister_sysfs(&cmm_dev);
out_reboot_notifier:
unregister_reboot_notifier(&cmm_reboot_nb);
out_oom_notifier:
@@ -701,7 +702,7 @@ static void cmm_exit(void)
unregister_memory_notifier(&cmm_mem_nb);
unregister_memory_isolate_notifier(&cmm_mem_isolate_nb);
cmm_free_pages(loaned_pages);
- cmm_unregister_sysfs(&cmm_sysdev);
+ cmm_unregister_sysfs(&cmm_dev);
}
/**
diff --git a/arch/powerpc/platforms/pseries/hvCall.S b/arch/powerpc/platforms/pseries/hvCall.S
index fd05fdee576a..3ce73d0052b1 100644
--- a/arch/powerpc/platforms/pseries/hvCall.S
+++ b/arch/powerpc/platforms/pseries/hvCall.S
@@ -36,6 +36,7 @@ BEGIN_FTR_SECTION; \
b 1f; \
END_FTR_SECTION(0, 1); \
ld r12,hcall_tracepoint_refcount@toc(r2); \
+ std r12,32(r1); \
cmpdi r12,0; \
beq+ 1f; \
mflr r0; \
@@ -74,7 +75,7 @@ END_FTR_SECTION(0, 1); \
BEGIN_FTR_SECTION; \
b 1f; \
END_FTR_SECTION(0, 1); \
- ld r12,hcall_tracepoint_refcount@toc(r2); \
+ ld r12,32(r1); \
cmpdi r12,0; \
beq+ 1f; \
mflr r0; \
diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c
index f106662f4381..c9311cfdfcac 100644
--- a/arch/powerpc/platforms/pseries/hvCall_inst.c
+++ b/arch/powerpc/platforms/pseries/hvCall_inst.c
@@ -109,7 +109,7 @@ static void probe_hcall_entry(void *ignored, unsigned long opcode, unsigned long
if (opcode > MAX_HCALL_OPCODE)
return;
- h = &get_cpu_var(hcall_stats)[opcode / 4];
+ h = &__get_cpu_var(hcall_stats)[opcode / 4];
h->tb_start = mftb();
h->purr_start = mfspr(SPRN_PURR);
}
@@ -126,8 +126,6 @@ static void probe_hcall_exit(void *ignored, unsigned long opcode, unsigned long
h->num_calls++;
h->tb_total += mftb() - h->tb_start;
h->purr_total += mfspr(SPRN_PURR) - h->purr_start;
-
- put_cpu_var(hcall_stats);
}
static int __init hcall_inst_init(void)
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index b719d9709730..c442f2b1980f 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -52,13 +52,42 @@
#include "plpar_wrappers.h"
+static void tce_invalidate_pSeries_sw(struct iommu_table *tbl,
+ u64 *startp, u64 *endp)
+{
+ u64 __iomem *invalidate = (u64 __iomem *)tbl->it_index;
+ unsigned long start, end, inc;
+
+ start = __pa(startp);
+ end = __pa(endp);
+ inc = L1_CACHE_BYTES; /* invalidate a cacheline of TCEs at a time */
+
+ /* If this is non-zero, change the format. We shift the
+ * address and or in the magic from the device tree. */
+ if (tbl->it_busno) {
+ start <<= 12;
+ end <<= 12;
+ inc <<= 12;
+ start |= tbl->it_busno;
+ end |= tbl->it_busno;
+ }
+
+ end |= inc - 1; /* round up end to be different than start */
+
+ mb(); /* Make sure TCEs in memory are written */
+ while (start <= end) {
+ out_be64(invalidate, start);
+ start += inc;
+ }
+}
+
static int tce_build_pSeries(struct iommu_table *tbl, long index,
long npages, unsigned long uaddr,
enum dma_data_direction direction,
struct dma_attrs *attrs)
{
u64 proto_tce;
- u64 *tcep;
+ u64 *tcep, *tces;
u64 rpn;
proto_tce = TCE_PCI_READ; // Read allowed
@@ -66,7 +95,7 @@ static int tce_build_pSeries(struct iommu_table *tbl, long index,
if (direction != DMA_TO_DEVICE)
proto_tce |= TCE_PCI_WRITE;
- tcep = ((u64 *)tbl->it_base) + index;
+ tces = tcep = ((u64 *)tbl->it_base) + index;
while (npages--) {
/* can't move this out since we might cross MEMBLOCK boundary */
@@ -76,18 +105,24 @@ static int tce_build_pSeries(struct iommu_table *tbl, long index,
uaddr += TCE_PAGE_SIZE;
tcep++;
}
+
+ if (tbl->it_type == TCE_PCI_SWINV_CREATE)
+ tce_invalidate_pSeries_sw(tbl, tces, tcep - 1);
return 0;
}
static void tce_free_pSeries(struct iommu_table *tbl, long index, long npages)
{
- u64 *tcep;
+ u64 *tcep, *tces;
- tcep = ((u64 *)tbl->it_base) + index;
+ tces = tcep = ((u64 *)tbl->it_base) + index;
while (npages--)
*(tcep++) = 0;
+
+ if (tbl->it_type == TCE_PCI_SWINV_FREE)
+ tce_invalidate_pSeries_sw(tbl, tces, tcep - 1);
}
static unsigned long tce_get_pseries(struct iommu_table *tbl, long index)
@@ -425,7 +460,7 @@ static void iommu_table_setparms(struct pci_controller *phb,
struct iommu_table *tbl)
{
struct device_node *node;
- const unsigned long *basep;
+ const unsigned long *basep, *sw_inval;
const u32 *sizep;
node = phb->dn;
@@ -462,6 +497,22 @@ static void iommu_table_setparms(struct pci_controller *phb,
tbl->it_index = 0;
tbl->it_blocksize = 16;
tbl->it_type = TCE_PCI;
+
+ sw_inval = of_get_property(node, "linux,tce-sw-invalidate-info", NULL);
+ if (sw_inval) {
+ /*
+ * This property contains information on how to
+ * invalidate the TCE entry. The first property is
+ * the base MMIO address used to invalidate entries.
+ * The second property tells us the format of the TCE
+ * invalidate (whether it needs to be shifted) and
+ * some magic routing info to add to our invalidate
+ * command.
+ */
+ tbl->it_index = (unsigned long) ioremap(sw_inval[0], 8);
+ tbl->it_busno = sw_inval[1]; /* overload this with magic */
+ tbl->it_type = TCE_PCI_SWINV_CREATE | TCE_PCI_SWINV_FREE;
+ }
}
/*
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 27a49508b410..7bc73af6c7b9 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -546,6 +546,13 @@ void __trace_hcall_entry(unsigned long opcode, unsigned long *args)
unsigned long flags;
unsigned int *depth;
+ /*
+ * We cannot call tracepoints inside RCU idle regions which
+ * means we must not trace H_CEDE.
+ */
+ if (opcode == H_CEDE)
+ return;
+
local_irq_save(flags);
depth = &__get_cpu_var(hcall_trace_depth);
@@ -554,6 +561,7 @@ void __trace_hcall_entry(unsigned long opcode, unsigned long *args)
goto out;
(*depth)++;
+ preempt_disable();
trace_hcall_entry(opcode, args);
(*depth)--;
@@ -567,6 +575,9 @@ void __trace_hcall_exit(long opcode, unsigned long retval,
unsigned long flags;
unsigned int *depth;
+ if (opcode == H_CEDE)
+ return;
+
local_irq_save(flags);
depth = &__get_cpu_var(hcall_trace_depth);
@@ -576,6 +587,7 @@ void __trace_hcall_exit(long opcode, unsigned long retval,
(*depth)++;
trace_hcall_exit(opcode, retval, retbuf);
+ preempt_enable();
(*depth)--;
out:
diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index a76b22844d18..36f957f31842 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -625,6 +625,8 @@ static void oops_to_nvram(struct kmsg_dumper *dumper,
{
static unsigned int oops_count = 0;
static bool panicking = false;
+ static DEFINE_SPINLOCK(lock);
+ unsigned long flags;
size_t text_len;
unsigned int err_type = ERR_TYPE_KERNEL_PANIC_GZ;
int rc = -1;
@@ -636,7 +638,6 @@ static void oops_to_nvram(struct kmsg_dumper *dumper,
/* These are almost always orderly shutdowns. */
return;
case KMSG_DUMP_OOPS:
- case KMSG_DUMP_KEXEC:
break;
case KMSG_DUMP_PANIC:
panicking = true;
@@ -655,6 +656,9 @@ static void oops_to_nvram(struct kmsg_dumper *dumper,
if (clobbering_unread_rtas_event())
return;
+ if (!spin_trylock_irqsave(&lock, flags))
+ return;
+
if (big_oops_buf) {
text_len = capture_last_msgs(old_msgs, old_len,
new_msgs, new_len, big_oops_buf, big_oops_buf_sz);
@@ -670,4 +674,6 @@ static void oops_to_nvram(struct kmsg_dumper *dumper,
(void) nvram_write_os_partition(&oops_log_partition, oops_buf,
(int) (sizeof(*oops_len) + *oops_len), err_type, ++oops_count);
+
+ spin_unlock_irqrestore(&lock, flags);
}
diff --git a/arch/powerpc/platforms/pseries/processor_idle.c b/arch/powerpc/platforms/pseries/processor_idle.c
new file mode 100644
index 000000000000..085fd3f45ad2
--- /dev/null
+++ b/arch/powerpc/platforms/pseries/processor_idle.c
@@ -0,0 +1,329 @@
+/*
+ * processor_idle - idle state cpuidle driver.
+ * Adapted from drivers/idle/intel_idle.c and
+ * drivers/acpi/processor_idle.c
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/moduleparam.h>
+#include <linux/cpuidle.h>
+#include <linux/cpu.h>
+
+#include <asm/paca.h>
+#include <asm/reg.h>
+#include <asm/system.h>
+#include <asm/machdep.h>
+#include <asm/firmware.h>
+
+#include "plpar_wrappers.h"
+#include "pseries.h"
+
+struct cpuidle_driver pseries_idle_driver = {
+ .name = "pseries_idle",
+ .owner = THIS_MODULE,
+};
+
+#define MAX_IDLE_STATE_COUNT 2
+
+static int max_idle_state = MAX_IDLE_STATE_COUNT - 1;
+static struct cpuidle_device __percpu *pseries_cpuidle_devices;
+static struct cpuidle_state *cpuidle_state_table;
+
+void update_smt_snooze_delay(int snooze)
+{
+ struct cpuidle_driver *drv = cpuidle_get_driver();
+ if (drv)
+ drv->states[0].target_residency = snooze;
+}
+
+static inline void idle_loop_prolog(unsigned long *in_purr, ktime_t *kt_before)
+{
+
+ *kt_before = ktime_get_real();
+ *in_purr = mfspr(SPRN_PURR);
+ /*
+ * Indicate to the HV that we are idle. Now would be
+ * a good time to find other work to dispatch.
+ */
+ get_lppaca()->idle = 1;
+}
+
+static inline s64 idle_loop_epilog(unsigned long in_purr, ktime_t kt_before)
+{
+ get_lppaca()->wait_state_cycles += mfspr(SPRN_PURR) - in_purr;
+ get_lppaca()->idle = 0;
+
+ return ktime_to_us(ktime_sub(ktime_get_real(), kt_before));
+}
+
+static int snooze_loop(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv,
+ int index)
+{
+ unsigned long in_purr;
+ ktime_t kt_before;
+ unsigned long start_snooze;
+ long snooze = drv->states[0].target_residency;
+
+ idle_loop_prolog(&in_purr, &kt_before);
+
+ if (snooze) {
+ start_snooze = get_tb() + snooze * tb_ticks_per_usec;
+ local_irq_enable();
+ set_thread_flag(TIF_POLLING_NRFLAG);
+
+ while ((snooze < 0) || (get_tb() < start_snooze)) {
+ if (need_resched() || cpu_is_offline(dev->cpu))
+ goto out;
+ ppc64_runlatch_off();
+ HMT_low();
+ HMT_very_low();
+ }
+
+ HMT_medium();
+ clear_thread_flag(TIF_POLLING_NRFLAG);
+ smp_mb();
+ local_irq_disable();
+ }
+
+out:
+ HMT_medium();
+ dev->last_residency =
+ (int)idle_loop_epilog(in_purr, kt_before);
+ return index;
+}
+
+static int dedicated_cede_loop(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv,
+ int index)
+{
+ unsigned long in_purr;
+ ktime_t kt_before;
+
+ idle_loop_prolog(&in_purr, &kt_before);
+ get_lppaca()->donate_dedicated_cpu = 1;
+
+ ppc64_runlatch_off();
+ HMT_medium();
+ cede_processor();
+
+ get_lppaca()->donate_dedicated_cpu = 0;
+ dev->last_residency =
+ (int)idle_loop_epilog(in_purr, kt_before);
+ return index;
+}
+
+static int shared_cede_loop(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv,
+ int index)
+{
+ unsigned long in_purr;
+ ktime_t kt_before;
+
+ idle_loop_prolog(&in_purr, &kt_before);
+
+ /*
+ * Yield the processor to the hypervisor. We return if
+ * an external interrupt occurs (which are driven prior
+ * to returning here) or if a prod occurs from another
+ * processor. When returning here, external interrupts
+ * are enabled.
+ */
+ cede_processor();
+
+ dev->last_residency =
+ (int)idle_loop_epilog(in_purr, kt_before);
+ return index;
+}
+
+/*
+ * States for dedicated partition case.
+ */
+static struct cpuidle_state dedicated_states[MAX_IDLE_STATE_COUNT] = {
+ { /* Snooze */
+ .name = "snooze",
+ .desc = "snooze",
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .exit_latency = 0,
+ .target_residency = 0,
+ .enter = &snooze_loop },
+ { /* CEDE */
+ .name = "CEDE",
+ .desc = "CEDE",
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .exit_latency = 1,
+ .target_residency = 10,
+ .enter = &dedicated_cede_loop },
+};
+
+/*
+ * States for shared partition case.
+ */
+static struct cpuidle_state shared_states[MAX_IDLE_STATE_COUNT] = {
+ { /* Shared Cede */
+ .name = "Shared Cede",
+ .desc = "Shared Cede",
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .exit_latency = 0,
+ .target_residency = 0,
+ .enter = &shared_cede_loop },
+};
+
+int pseries_notify_cpuidle_add_cpu(int cpu)
+{
+ struct cpuidle_device *dev =
+ per_cpu_ptr(pseries_cpuidle_devices, cpu);
+ if (dev && cpuidle_get_driver()) {
+ cpuidle_disable_device(dev);
+ cpuidle_enable_device(dev);
+ }
+ return 0;
+}
+
+/*
+ * pseries_cpuidle_driver_init()
+ */
+static int pseries_cpuidle_driver_init(void)
+{
+ int idle_state;
+ struct cpuidle_driver *drv = &pseries_idle_driver;
+
+ drv->state_count = 0;
+
+ for (idle_state = 0; idle_state < MAX_IDLE_STATE_COUNT; ++idle_state) {
+
+ if (idle_state > max_idle_state)
+ break;
+
+ /* is the state not enabled? */
+ if (cpuidle_state_table[idle_state].enter == NULL)
+ continue;
+
+ drv->states[drv->state_count] = /* structure copy */
+ cpuidle_state_table[idle_state];
+
+ if (cpuidle_state_table == dedicated_states)
+ drv->states[drv->state_count].target_residency =
+ __get_cpu_var(smt_snooze_delay);
+
+ drv->state_count += 1;
+ }
+
+ return 0;
+}
+
+/* pseries_idle_devices_uninit(void)
+ * unregister cpuidle devices and de-allocate memory
+ */
+static void pseries_idle_devices_uninit(void)
+{
+ int i;
+ struct cpuidle_device *dev;
+
+ for_each_possible_cpu(i) {
+ dev = per_cpu_ptr(pseries_cpuidle_devices, i);
+ cpuidle_unregister_device(dev);
+ }
+
+ free_percpu(pseries_cpuidle_devices);
+ return;
+}
+
+/* pseries_idle_devices_init()
+ * allocate, initialize and register cpuidle device
+ */
+static int pseries_idle_devices_init(void)
+{
+ int i;
+ struct cpuidle_driver *drv = &pseries_idle_driver;
+ struct cpuidle_device *dev;
+
+ pseries_cpuidle_devices = alloc_percpu(struct cpuidle_device);
+ if (pseries_cpuidle_devices == NULL)
+ return -ENOMEM;
+
+ for_each_possible_cpu(i) {
+ dev = per_cpu_ptr(pseries_cpuidle_devices, i);
+ dev->state_count = drv->state_count;
+ dev->cpu = i;
+ if (cpuidle_register_device(dev)) {
+ printk(KERN_DEBUG \
+ "cpuidle_register_device %d failed!\n", i);
+ return -EIO;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * pseries_idle_probe()
+ * Choose state table for shared versus dedicated partition
+ */
+static int pseries_idle_probe(void)
+{
+
+ if (!firmware_has_feature(FW_FEATURE_SPLPAR))
+ return -ENODEV;
+
+ if (cpuidle_disable != IDLE_NO_OVERRIDE)
+ return -ENODEV;
+
+ if (max_idle_state == 0) {
+ printk(KERN_DEBUG "pseries processor idle disabled.\n");
+ return -EPERM;
+ }
+
+ if (get_lppaca()->shared_proc)
+ cpuidle_state_table = shared_states;
+ else
+ cpuidle_state_table = dedicated_states;
+
+ return 0;
+}
+
+static int __init pseries_processor_idle_init(void)
+{
+ int retval;
+
+ retval = pseries_idle_probe();
+ if (retval)
+ return retval;
+
+ pseries_cpuidle_driver_init();
+ retval = cpuidle_register_driver(&pseries_idle_driver);
+ if (retval) {
+ printk(KERN_DEBUG "Registration of pseries driver failed.\n");
+ return retval;
+ }
+
+ retval = pseries_idle_devices_init();
+ if (retval) {
+ pseries_idle_devices_uninit();
+ cpuidle_unregister_driver(&pseries_idle_driver);
+ return retval;
+ }
+
+ printk(KERN_DEBUG "pseries_idle_driver registered\n");
+
+ return 0;
+}
+
+static void __exit pseries_processor_idle_exit(void)
+{
+
+ pseries_idle_devices_uninit();
+ cpuidle_unregister_driver(&pseries_idle_driver);
+
+ return;
+}
+
+module_init(pseries_processor_idle_init);
+module_exit(pseries_processor_idle_exit);
+
+MODULE_AUTHOR("Deepthi Dharwar <deepthi@linux.vnet.ibm.com>");
+MODULE_DESCRIPTION("Cpuidle driver for POWER");
+MODULE_LICENSE("GPL");
diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h
index 24c7162f11d9..9a3dda07566f 100644
--- a/arch/powerpc/platforms/pseries/pseries.h
+++ b/arch/powerpc/platforms/pseries/pseries.h
@@ -57,4 +57,7 @@ extern struct device_node *dlpar_configure_connector(u32);
extern int dlpar_attach_node(struct device_node *);
extern int dlpar_detach_node(struct device_node *);
+/* Snooze Delay, pseries_idle */
+DECLARE_PER_CPU(long, smt_snooze_delay);
+
#endif /* _PSERIES_PSERIES_H */
diff --git a/arch/powerpc/platforms/pseries/pseries_energy.c b/arch/powerpc/platforms/pseries/pseries_energy.c
index c8b3c69fe891..af281dce510a 100644
--- a/arch/powerpc/platforms/pseries/pseries_energy.c
+++ b/arch/powerpc/platforms/pseries/pseries_energy.c
@@ -15,7 +15,7 @@
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/seq_file.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
#include <linux/cpu.h>
#include <linux/of.h>
#include <asm/cputhreads.h>
@@ -184,7 +184,7 @@ static ssize_t get_best_energy_list(char *page, int activate)
return s-page;
}
-static ssize_t get_best_energy_data(struct sys_device *dev,
+static ssize_t get_best_energy_data(struct device *dev,
char *page, int activate)
{
int rc;
@@ -207,26 +207,26 @@ static ssize_t get_best_energy_data(struct sys_device *dev,
/* Wrapper functions */
-static ssize_t cpu_activate_hint_list_show(struct sysdev_class *class,
- struct sysdev_class_attribute *attr, char *page)
+static ssize_t cpu_activate_hint_list_show(struct device *dev,
+ struct device_attribute *attr, char *page)
{
return get_best_energy_list(page, 1);
}
-static ssize_t cpu_deactivate_hint_list_show(struct sysdev_class *class,
- struct sysdev_class_attribute *attr, char *page)
+static ssize_t cpu_deactivate_hint_list_show(struct device *dev,
+ struct device_attribute *attr, char *page)
{
return get_best_energy_list(page, 0);
}
-static ssize_t percpu_activate_hint_show(struct sys_device *dev,
- struct sysdev_attribute *attr, char *page)
+static ssize_t percpu_activate_hint_show(struct device *dev,
+ struct device_attribute *attr, char *page)
{
return get_best_energy_data(dev, page, 1);
}
-static ssize_t percpu_deactivate_hint_show(struct sys_device *dev,
- struct sysdev_attribute *attr, char *page)
+static ssize_t percpu_deactivate_hint_show(struct device *dev,
+ struct device_attribute *attr, char *page)
{
return get_best_energy_data(dev, page, 0);
}
@@ -241,48 +241,48 @@ static ssize_t percpu_deactivate_hint_show(struct sys_device *dev,
* Per-cpu value of the hint
*/
-struct sysdev_class_attribute attr_cpu_activate_hint_list =
- _SYSDEV_CLASS_ATTR(pseries_activate_hint_list, 0444,
+struct device_attribute attr_cpu_activate_hint_list =
+ __ATTR(pseries_activate_hint_list, 0444,
cpu_activate_hint_list_show, NULL);
-struct sysdev_class_attribute attr_cpu_deactivate_hint_list =
- _SYSDEV_CLASS_ATTR(pseries_deactivate_hint_list, 0444,
+struct device_attribute attr_cpu_deactivate_hint_list =
+ __ATTR(pseries_deactivate_hint_list, 0444,
cpu_deactivate_hint_list_show, NULL);
-struct sysdev_attribute attr_percpu_activate_hint =
- _SYSDEV_ATTR(pseries_activate_hint, 0444,
+struct device_attribute attr_percpu_activate_hint =
+ __ATTR(pseries_activate_hint, 0444,
percpu_activate_hint_show, NULL);
-struct sysdev_attribute attr_percpu_deactivate_hint =
- _SYSDEV_ATTR(pseries_deactivate_hint, 0444,
+struct device_attribute attr_percpu_deactivate_hint =
+ __ATTR(pseries_deactivate_hint, 0444,
percpu_deactivate_hint_show, NULL);
static int __init pseries_energy_init(void)
{
int cpu, err;
- struct sys_device *cpu_sys_dev;
+ struct device *cpu_dev;
if (!check_for_h_best_energy()) {
printk(KERN_INFO "Hypercall H_BEST_ENERGY not supported\n");
return 0;
}
/* Create the sysfs files */
- err = sysfs_create_file(&cpu_sysdev_class.kset.kobj,
- &attr_cpu_activate_hint_list.attr);
+ err = device_create_file(cpu_subsys.dev_root,
+ &attr_cpu_activate_hint_list);
if (!err)
- err = sysfs_create_file(&cpu_sysdev_class.kset.kobj,
- &attr_cpu_deactivate_hint_list.attr);
+ err = device_create_file(cpu_subsys.dev_root,
+ &attr_cpu_deactivate_hint_list);
if (err)
return err;
for_each_possible_cpu(cpu) {
- cpu_sys_dev = get_cpu_sysdev(cpu);
- err = sysfs_create_file(&cpu_sys_dev->kobj,
- &attr_percpu_activate_hint.attr);
+ cpu_dev = get_cpu_device(cpu);
+ err = device_create_file(cpu_dev,
+ &attr_percpu_activate_hint);
if (err)
break;
- err = sysfs_create_file(&cpu_sys_dev->kobj,
- &attr_percpu_deactivate_hint.attr);
+ err = device_create_file(cpu_dev,
+ &attr_percpu_deactivate_hint);
if (err)
break;
}
@@ -298,23 +298,20 @@ static int __init pseries_energy_init(void)
static void __exit pseries_energy_cleanup(void)
{
int cpu;
- struct sys_device *cpu_sys_dev;
+ struct device *cpu_dev;
if (!sysfs_entries)
return;
/* Remove the sysfs files */
- sysfs_remove_file(&cpu_sysdev_class.kset.kobj,
- &attr_cpu_activate_hint_list.attr);
-
- sysfs_remove_file(&cpu_sysdev_class.kset.kobj,
- &attr_cpu_deactivate_hint_list.attr);
+ device_remove_file(cpu_subsys.dev_root, &attr_cpu_activate_hint_list);
+ device_remove_file(cpu_subsys.dev_root, &attr_cpu_deactivate_hint_list);
for_each_possible_cpu(cpu) {
- cpu_sys_dev = get_cpu_sysdev(cpu);
- sysfs_remove_file(&cpu_sys_dev->kobj,
+ cpu_dev = get_cpu_device(cpu);
+ sysfs_remove_file(&cpu_dev->kobj,
&attr_percpu_activate_hint.attr);
- sysfs_remove_file(&cpu_sys_dev->kobj,
+ sysfs_remove_file(&cpu_dev->kobj,
&attr_percpu_deactivate_hint.attr);
}
}
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index c3408ca8855e..f79f1278dfca 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -39,6 +39,7 @@
#include <linux/irq.h>
#include <linux/seq_file.h>
#include <linux/root_dev.h>
+#include <linux/cpuidle.h>
#include <asm/mmu.h>
#include <asm/processor.h>
@@ -74,9 +75,6 @@ EXPORT_SYMBOL(CMO_PageSize);
int fwnmi_active; /* TRUE if an FWNMI handler is present */
-static void pseries_shared_idle_sleep(void);
-static void pseries_dedicated_idle_sleep(void);
-
static struct device_node *pSeries_mpic_node;
static void pSeries_show_cpuinfo(struct seq_file *m)
@@ -192,8 +190,7 @@ static void __init pseries_mpic_init_IRQ(void)
BUG_ON(openpic_addr == 0);
/* Setup the openpic driver */
- mpic = mpic_alloc(pSeries_mpic_node, openpic_addr,
- MPIC_PRIMARY,
+ mpic = mpic_alloc(pSeries_mpic_node, openpic_addr, 0,
16, 250, /* isu size, irq count */
" MPIC ");
BUG_ON(mpic == NULL);
@@ -352,8 +349,25 @@ static int alloc_dispatch_log_kmem_cache(void)
}
early_initcall(alloc_dispatch_log_kmem_cache);
+static void pSeries_idle(void)
+{
+ /* This would call on the cpuidle framework, and the back-end pseries
+ * driver to go to idle states
+ */
+ if (cpuidle_idle_call()) {
+ /* On error, execute default handler
+ * to go into low thread priority and possibly
+ * low power mode.
+ */
+ HMT_low();
+ HMT_very_low();
+ }
+}
+
static void __init pSeries_setup_arch(void)
{
+ panic_timeout = 10;
+
/* Discover PIC type and setup ppc_md accordingly */
pseries_discover_pic();
@@ -374,18 +388,9 @@ static void __init pSeries_setup_arch(void)
pSeries_nvram_init();
- /* Choose an idle loop */
if (firmware_has_feature(FW_FEATURE_SPLPAR)) {
vpa_init(boot_cpuid);
- if (get_lppaca()->shared_proc) {
- printk(KERN_DEBUG "Using shared processor idle loop\n");
- ppc_md.power_save = pseries_shared_idle_sleep;
- } else {
- printk(KERN_DEBUG "Using dedicated idle loop\n");
- ppc_md.power_save = pseries_dedicated_idle_sleep;
- }
- } else {
- printk(KERN_DEBUG "Using default idle loop\n");
+ ppc_md.power_save = pSeries_idle;
}
if (firmware_has_feature(FW_FEATURE_LPAR))
@@ -586,80 +591,6 @@ static int __init pSeries_probe(void)
return 1;
}
-
-DECLARE_PER_CPU(long, smt_snooze_delay);
-
-static void pseries_dedicated_idle_sleep(void)
-{
- unsigned int cpu = smp_processor_id();
- unsigned long start_snooze;
- unsigned long in_purr, out_purr;
- long snooze = __get_cpu_var(smt_snooze_delay);
-
- /*
- * Indicate to the HV that we are idle. Now would be
- * a good time to find other work to dispatch.
- */
- get_lppaca()->idle = 1;
- get_lppaca()->donate_dedicated_cpu = 1;
- in_purr = mfspr(SPRN_PURR);
-
- /*
- * We come in with interrupts disabled, and need_resched()
- * has been checked recently. If we should poll for a little
- * while, do so.
- */
- if (snooze) {
- start_snooze = get_tb() + snooze * tb_ticks_per_usec;
- local_irq_enable();
- set_thread_flag(TIF_POLLING_NRFLAG);
-
- while ((snooze < 0) || (get_tb() < start_snooze)) {
- if (need_resched() || cpu_is_offline(cpu))
- goto out;
- ppc64_runlatch_off();
- HMT_low();
- HMT_very_low();
- }
-
- HMT_medium();
- clear_thread_flag(TIF_POLLING_NRFLAG);
- smp_mb();
- local_irq_disable();
- if (need_resched() || cpu_is_offline(cpu))
- goto out;
- }
-
- cede_processor();
-
-out:
- HMT_medium();
- out_purr = mfspr(SPRN_PURR);
- get_lppaca()->wait_state_cycles += out_purr - in_purr;
- get_lppaca()->donate_dedicated_cpu = 0;
- get_lppaca()->idle = 0;
-}
-
-static void pseries_shared_idle_sleep(void)
-{
- /*
- * Indicate to the HV that we are idle. Now would be
- * a good time to find other work to dispatch.
- */
- get_lppaca()->idle = 1;
-
- /*
- * Yield the processor to the hypervisor. We return if
- * an external interrupt occurs (which are driven prior
- * to returning here) or if a prod occurs from another
- * processor. When returning here, external interrupts
- * are enabled.
- */
- cede_processor();
-
- get_lppaca()->idle = 0;
-}
-
static int pSeries_pci_probe_mode(struct pci_bus *bus)
{
if (firmware_has_feature(FW_FEATURE_LPAR))
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 26e93fd4c62b..eadba9521a35 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -22,7 +22,7 @@
#include <linux/spinlock.h>
#include <linux/cache.h>
#include <linux/err.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
#include <linux/cpu.h>
#include <asm/ptrace.h>
@@ -148,6 +148,7 @@ static void __devinit smp_xics_setup_cpu(int cpu)
set_cpu_current_state(cpu, CPU_STATE_ONLINE);
set_default_offline_state(cpu);
#endif
+ pseries_notify_cpuidle_add_cpu(cpu);
}
static int __devinit smp_pSeries_kick_cpu(int nr)
diff --git a/arch/powerpc/platforms/pseries/suspend.c b/arch/powerpc/platforms/pseries/suspend.c
index d3de0849f296..b84a8b2238dd 100644
--- a/arch/powerpc/platforms/pseries/suspend.c
+++ b/arch/powerpc/platforms/pseries/suspend.c
@@ -26,7 +26,7 @@
#include <asm/rtas.h>
static u64 stream_id;
-static struct sys_device suspend_sysdev;
+static struct device suspend_dev;
static DECLARE_COMPLETION(suspend_work);
static struct rtas_suspend_me_data suspend_data;
static atomic_t suspending;
@@ -110,8 +110,8 @@ static int pseries_prepare_late(void)
/**
* store_hibernate - Initiate partition hibernation
- * @classdev: sysdev class struct
- * @attr: class device attribute struct
+ * @dev: subsys root device
+ * @attr: device attribute struct
* @buf: buffer
* @count: buffer size
*
@@ -121,8 +121,8 @@ static int pseries_prepare_late(void)
* Return value:
* number of bytes printed to buffer / other on failure
**/
-static ssize_t store_hibernate(struct sysdev_class *classdev,
- struct sysdev_class_attribute *attr,
+static ssize_t store_hibernate(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count)
{
int rc;
@@ -148,10 +148,11 @@ static ssize_t store_hibernate(struct sysdev_class *classdev,
return rc;
}
-static SYSDEV_CLASS_ATTR(hibernate, S_IWUSR, NULL, store_hibernate);
+static DEVICE_ATTR(hibernate, S_IWUSR, NULL, store_hibernate);
-static struct sysdev_class suspend_sysdev_class = {
+static struct bus_type suspend_subsys = {
.name = "power",
+ .dev_name = "power",
};
static const struct platform_suspend_ops pseries_suspend_ops = {
@@ -167,23 +168,23 @@ static const struct platform_suspend_ops pseries_suspend_ops = {
* Return value:
* 0 on success / other on failure
**/
-static int pseries_suspend_sysfs_register(struct sys_device *sysdev)
+static int pseries_suspend_sysfs_register(struct device *dev)
{
int rc;
- if ((rc = sysdev_class_register(&suspend_sysdev_class)))
+ if ((rc = subsys_system_register(&suspend_subsys, NULL)))
return rc;
- sysdev->id = 0;
- sysdev->cls = &suspend_sysdev_class;
+ dev->id = 0;
+ dev->bus = &suspend_subsys;
- if ((rc = sysdev_class_create_file(&suspend_sysdev_class, &attr_hibernate)))
- goto class_unregister;
+ if ((rc = device_create_file(suspend_subsys.dev_root, &dev_attr_hibernate)))
+ goto subsys_unregister;
return 0;
-class_unregister:
- sysdev_class_unregister(&suspend_sysdev_class);
+subsys_unregister:
+ bus_unregister(&suspend_subsys);
return rc;
}
@@ -204,7 +205,7 @@ static int __init pseries_suspend_init(void)
if (suspend_data.token == RTAS_UNKNOWN_SERVICE)
return 0;
- if ((rc = pseries_suspend_sysfs_register(&suspend_sysdev)))
+ if ((rc = pseries_suspend_sysfs_register(&suspend_dev)))
return rc;
ppc_md.suspend_disable_cpu = pseries_suspend_cpu;
diff --git a/arch/powerpc/platforms/wsp/Kconfig b/arch/powerpc/platforms/wsp/Kconfig
index bd560c786ed6..57d22a2f4ba9 100644
--- a/arch/powerpc/platforms/wsp/Kconfig
+++ b/arch/powerpc/platforms/wsp/Kconfig
@@ -1,20 +1,28 @@
config PPC_WSP
bool
select PPC_A2
+ select GENERIC_TBSYNC
+ select PPC_ICSWX
select PPC_SCOM
select PPC_XICS
select PPC_ICP_NATIVE
select PCI
select PPC_IO_WORKAROUNDS if PCI
select PPC_INDIRECT_PIO if PCI
+ select PPC_WSP_COPRO
default n
menu "WSP platform selection"
depends on PPC_BOOK3E_64
config PPC_PSR2
- bool "PSR-2 platform"
- select GENERIC_TBSYNC
+ bool "PowerEN System Reference Platform 2"
+ select EPAPR_BOOT
+ select PPC_WSP
+ default y
+
+config PPC_CHROMA
+ bool "PowerEN PCIe Chroma Card"
select EPAPR_BOOT
select PPC_WSP
default y
diff --git a/arch/powerpc/platforms/wsp/Makefile b/arch/powerpc/platforms/wsp/Makefile
index a1486b436f02..56817ac98fc9 100644
--- a/arch/powerpc/platforms/wsp/Makefile
+++ b/arch/powerpc/platforms/wsp/Makefile
@@ -1,8 +1,10 @@
ccflags-y += -mno-minimal-toc
-obj-y += setup.o ics.o
-obj-$(CONFIG_PPC_PSR2) += psr2.o opb_pic.o
+obj-y += setup.o ics.o wsp.o
+obj-$(CONFIG_PPC_PSR2) += psr2.o
+obj-$(CONFIG_PPC_CHROMA) += chroma.o h8.o
+obj-$(CONFIG_PPC_WSP) += opb_pic.o
obj-$(CONFIG_PPC_WSP) += scom_wsp.o
obj-$(CONFIG_SMP) += smp.o scom_smp.o
obj-$(CONFIG_PCI) += wsp_pci.o
-obj-$(CONFIG_PCI_MSI) += msi.o \ No newline at end of file
+obj-$(CONFIG_PCI_MSI) += msi.o
diff --git a/arch/powerpc/platforms/wsp/chroma.c b/arch/powerpc/platforms/wsp/chroma.c
new file mode 100644
index 000000000000..ca6fa26f6e63
--- /dev/null
+++ b/arch/powerpc/platforms/wsp/chroma.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2008-2011, 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; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/of.h>
+#include <linux/smp.h>
+#include <linux/time.h>
+
+#include <asm/machdep.h>
+#include <asm/system.h>
+#include <asm/udbg.h>
+
+#include "ics.h"
+#include "wsp.h"
+
+void __init chroma_setup_arch(void)
+{
+ wsp_setup_arch();
+ wsp_setup_h8();
+
+}
+
+static int __init chroma_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ if (!of_flat_dt_is_compatible(root, "ibm,wsp-chroma"))
+ return 0;
+
+ return 1;
+}
+
+define_machine(chroma_md) {
+ .name = "Chroma PCIe",
+ .probe = chroma_probe,
+ .setup_arch = chroma_setup_arch,
+ .restart = wsp_h8_restart,
+ .power_off = wsp_h8_power_off,
+ .halt = wsp_halt,
+ .calibrate_decr = generic_calibrate_decr,
+ .init_IRQ = wsp_setup_irq,
+ .progress = udbg_progress,
+ .power_save = book3e_idle,
+};
+
+machine_arch_initcall(chroma_md, wsp_probe_devices);
diff --git a/arch/powerpc/platforms/wsp/h8.c b/arch/powerpc/platforms/wsp/h8.c
new file mode 100644
index 000000000000..d18e6cc19df3
--- /dev/null
+++ b/arch/powerpc/platforms/wsp/h8.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright 2008-2011, 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; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/io.h>
+
+#include "wsp.h"
+
+/*
+ * The UART connection to the H8 is over ttyS1 which is just a 16550.
+ * We assume that FW has it setup right and no one messes with it.
+ */
+
+
+static u8 __iomem *h8;
+
+#define RBR 0 /* Receiver Buffer Register */
+#define THR 0 /* Transmitter Holding Register */
+#define LSR 5 /* Line Status Register */
+#define LSR_DR 0x01 /* LSR value for Data-Ready */
+#define LSR_THRE 0x20 /* LSR value for Transmitter-Holding-Register-Empty */
+static void wsp_h8_putc(int c)
+{
+ u8 lsr;
+
+ do {
+ lsr = readb(h8 + LSR);
+ } while ((lsr & LSR_THRE) != LSR_THRE);
+ writeb(c, h8 + THR);
+}
+
+static int wsp_h8_getc(void)
+{
+ u8 lsr;
+
+ do {
+ lsr = readb(h8 + LSR);
+ } while ((lsr & LSR_DR) != LSR_DR);
+
+ return readb(h8 + RBR);
+}
+
+static void wsp_h8_puts(const char *s, int sz)
+{
+ int i;
+
+ for (i = 0; i < sz; i++) {
+ wsp_h8_putc(s[i]);
+
+ /* no flow control so wait for echo */
+ wsp_h8_getc();
+ }
+ wsp_h8_putc('\r');
+ wsp_h8_putc('\n');
+}
+
+static void wsp_h8_terminal_cmd(const char *cmd, int sz)
+{
+ hard_irq_disable();
+ wsp_h8_puts(cmd, sz);
+ /* should never return, but just in case */
+ for (;;)
+ continue;
+}
+
+
+void wsp_h8_restart(char *cmd)
+{
+ static const char restart[] = "warm-reset";
+
+ (void)cmd;
+ wsp_h8_terminal_cmd(restart, sizeof(restart) - 1);
+}
+
+void wsp_h8_power_off(void)
+{
+ static const char off[] = "power-off";
+
+ wsp_h8_terminal_cmd(off, sizeof(off) - 1);
+}
+
+static void __iomem *wsp_h8_getaddr(void)
+{
+ struct device_node *aliases;
+ struct device_node *uart;
+ struct property *path;
+ void __iomem *va = NULL;
+
+ /*
+ * there is nothing in the devtree to tell us which is mapped
+ * to the H8, but se know it is the second serial port.
+ */
+
+ aliases = of_find_node_by_path("/aliases");
+ if (aliases == NULL)
+ return NULL;
+
+ path = of_find_property(aliases, "serial1", NULL);
+ if (path == NULL)
+ goto out;
+
+ uart = of_find_node_by_path(path->value);
+ if (uart == NULL)
+ goto out;
+
+ va = of_iomap(uart, 0);
+
+ /* remove it so no one messes with it */
+ of_detach_node(uart);
+ of_node_put(uart);
+
+out:
+ of_node_put(aliases);
+
+ return va;
+}
+
+void __init wsp_setup_h8(void)
+{
+ h8 = wsp_h8_getaddr();
+
+ /* Devtree change? lets hard map it anyway */
+ if (h8 == NULL) {
+ pr_warn("UART to H8 could not be found");
+ h8 = ioremap(0xffc0008000ULL, 0x100);
+ }
+}
diff --git a/arch/powerpc/platforms/wsp/opb_pic.c b/arch/powerpc/platforms/wsp/opb_pic.c
index be05631a3c1c..19f353dfcd03 100644
--- a/arch/powerpc/platforms/wsp/opb_pic.c
+++ b/arch/powerpc/platforms/wsp/opb_pic.c
@@ -320,7 +320,8 @@ void __init opb_pic_init(void)
}
/* Attach opb interrupt handler to new virtual IRQ */
- rc = request_irq(virq, opb_irq_handler, 0, "OPB LS Cascade", opb);
+ rc = request_irq(virq, opb_irq_handler, IRQF_NO_THREAD,
+ "OPB LS Cascade", opb);
if (rc) {
printk("opb: request_irq failed: %d\n", rc);
continue;
diff --git a/arch/powerpc/platforms/wsp/psr2.c b/arch/powerpc/platforms/wsp/psr2.c
index 166f2e4b4bee..0c1ae06d0be1 100644
--- a/arch/powerpc/platforms/wsp/psr2.c
+++ b/arch/powerpc/platforms/wsp/psr2.c
@@ -14,10 +14,10 @@
#include <linux/mm.h>
#include <linux/of.h>
#include <linux/smp.h>
+#include <linux/time.h>
#include <asm/machdep.h>
#include <asm/system.h>
-#include <asm/time.h>
#include <asm/udbg.h>
#include "ics.h"
@@ -27,7 +27,8 @@
static void psr2_spin(void)
{
hard_irq_disable();
- for (;;) ;
+ for (;;)
+ continue;
}
static void psr2_restart(char *cmd)
@@ -35,65 +36,32 @@ static void psr2_restart(char *cmd)
psr2_spin();
}
-static int psr2_probe_devices(void)
-{
- struct device_node *np;
-
- /* Our RTC is a ds1500. It seems to be programatically compatible
- * with the ds1511 for which we have a driver so let's use that
- */
- np = of_find_compatible_node(NULL, NULL, "dallas,ds1500");
- if (np != NULL) {
- struct resource res;
- if (of_address_to_resource(np, 0, &res) == 0)
- platform_device_register_simple("ds1511", 0, &res, 1);
- }
- return 0;
-}
-machine_arch_initcall(psr2_md, psr2_probe_devices);
-
-static void __init psr2_setup_arch(void)
-{
- /* init to some ~sane value until calibrate_delay() runs */
- loops_per_jiffy = 50000000;
-
- scom_init_wsp();
-
- /* Setup SMP callback */
-#ifdef CONFIG_SMP
- a2_setup_smp();
-#endif
-#ifdef CONFIG_PCI
- wsp_setup_pci();
-#endif
-
-}
-
static int __init psr2_probe(void)
{
unsigned long root = of_get_flat_dt_root();
+ if (of_flat_dt_is_compatible(root, "ibm,wsp-chroma")) {
+ /* chroma systems also claim they are psr2s */
+ return 0;
+ }
+
if (!of_flat_dt_is_compatible(root, "ibm,psr2"))
return 0;
return 1;
}
-static void __init psr2_init_irq(void)
-{
- wsp_init_irq();
- opb_pic_init();
-}
-
define_machine(psr2_md) {
.name = "PSR2 A2",
.probe = psr2_probe,
- .setup_arch = psr2_setup_arch,
+ .setup_arch = wsp_setup_arch,
.restart = psr2_restart,
.power_off = psr2_spin,
.halt = psr2_spin,
.calibrate_decr = generic_calibrate_decr,
- .init_IRQ = psr2_init_irq,
+ .init_IRQ = wsp_setup_irq,
.progress = udbg_progress,
.power_save = book3e_idle,
};
+
+machine_arch_initcall(psr2_md, wsp_probe_devices);
diff --git a/arch/powerpc/platforms/wsp/wsp.c b/arch/powerpc/platforms/wsp/wsp.c
new file mode 100644
index 000000000000..d25cc96c21b8
--- /dev/null
+++ b/arch/powerpc/platforms/wsp/wsp.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright 2008-2011, 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; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/smp.h>
+#include <linux/delay.h>
+#include <linux/time.h>
+
+#include <asm/scom.h>
+
+#include "wsp.h"
+#include "ics.h"
+
+#define WSP_SOC_COMPATIBLE "ibm,wsp-soc"
+#define PBIC_COMPATIBLE "ibm,wsp-pbic"
+#define COPRO_COMPATIBLE "ibm,wsp-coprocessor"
+
+static int __init wsp_probe_buses(void)
+{
+ static __initdata struct of_device_id bus_ids[] = {
+ /*
+ * every node in between needs to be here or you won't
+ * find it
+ */
+ { .compatible = WSP_SOC_COMPATIBLE, },
+ { .compatible = PBIC_COMPATIBLE, },
+ { .compatible = COPRO_COMPATIBLE, },
+ {},
+ };
+ of_platform_bus_probe(NULL, bus_ids, NULL);
+
+ return 0;
+}
+
+void __init wsp_setup_arch(void)
+{
+ /* init to some ~sane value until calibrate_delay() runs */
+ loops_per_jiffy = 50000000;
+
+ scom_init_wsp();
+
+ /* Setup SMP callback */
+#ifdef CONFIG_SMP
+ a2_setup_smp();
+#endif
+#ifdef CONFIG_PCI
+ wsp_setup_pci();
+#endif
+}
+
+void __init wsp_setup_irq(void)
+{
+ wsp_init_irq();
+ opb_pic_init();
+}
+
+
+int __init wsp_probe_devices(void)
+{
+ struct device_node *np;
+
+ /* Our RTC is a ds1500. It seems to be programatically compatible
+ * with the ds1511 for which we have a driver so let's use that
+ */
+ np = of_find_compatible_node(NULL, NULL, "dallas,ds1500");
+ if (np != NULL) {
+ struct resource res;
+ if (of_address_to_resource(np, 0, &res) == 0)
+ platform_device_register_simple("ds1511", 0, &res, 1);
+ }
+
+ wsp_probe_buses();
+
+ return 0;
+}
+
+void wsp_halt(void)
+{
+ u64 val;
+ scom_map_t m;
+ struct device_node *dn;
+ struct device_node *mine;
+ struct device_node *me;
+
+ me = of_get_cpu_node(smp_processor_id(), NULL);
+ mine = scom_find_parent(me);
+
+ /* This will halt all the A2s but not power off the chip */
+ for_each_node_with_property(dn, "scom-controller") {
+ if (dn == mine)
+ continue;
+ m = scom_map(dn, 0, 1);
+
+ /* read-modify-write it so the HW probe does not get
+ * confused */
+ val = scom_read(m, 0);
+ val |= 1;
+ scom_write(m, 0, val);
+ scom_unmap(m);
+ }
+ m = scom_map(mine, 0, 1);
+ val = scom_read(m, 0);
+ val |= 1;
+ scom_write(m, 0, val);
+ /* should never return */
+ scom_unmap(m);
+}
diff --git a/arch/powerpc/platforms/wsp/wsp.h b/arch/powerpc/platforms/wsp/wsp.h
index 33479818f62a..10c1d1fff362 100644
--- a/arch/powerpc/platforms/wsp/wsp.h
+++ b/arch/powerpc/platforms/wsp/wsp.h
@@ -6,15 +6,25 @@
/* Devtree compatible strings for major devices */
#define PCIE_COMPATIBLE "ibm,wsp-pciex"
+extern void wsp_setup_arch(void);
+extern void wsp_setup_irq(void);
+extern int wsp_probe_devices(void);
+extern void wsp_halt(void);
+
extern void wsp_setup_pci(void);
extern void scom_init_wsp(void);
extern void a2_setup_smp(void);
extern int a2_scom_startup_cpu(unsigned int lcpu, int thr_idx,
struct device_node *np);
-int smp_a2_cpu_bootable(unsigned int nr);
-int __devinit smp_a2_kick_cpu(int nr);
+extern int smp_a2_cpu_bootable(unsigned int nr);
+extern int __devinit smp_a2_kick_cpu(int nr);
+
+extern void opb_pic_init(void);
-void opb_pic_init(void);
+/* chroma specific managment */
+extern void wsp_h8_restart(char *cmd);
+extern void wsp_h8_power_off(void);
+extern void __init wsp_setup_h8(void);
#endif /* __WSP_H */