diff options
Diffstat (limited to 'arch/mips/tx4927')
-rw-r--r-- | arch/mips/tx4927/common/Makefile | 6 | ||||
-rw-r--r-- | arch/mips/tx4927/common/tx4927_setup.c | 186 | ||||
-rw-r--r-- | arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c | 96 |
3 files changed, 60 insertions, 228 deletions
diff --git a/arch/mips/tx4927/common/Makefile b/arch/mips/tx4927/common/Makefile index 18375787e094..a7fe76a64964 100644 --- a/arch/mips/tx4927/common/Makefile +++ b/arch/mips/tx4927/common/Makefile @@ -1,12 +1,8 @@ # # Makefile for common code for Toshiba TX4927 based systems # -# Note! Dependencies are done automagically by 'make dep', which also -# removes any old dependencies. DON'T put your own dependencies here -# unless it's something special (ie not a .c file). -# -obj-y += tx4927_prom.o tx4927_setup.o tx4927_irq.o +obj-y += tx4927_prom.o tx4927_irq.o obj-$(CONFIG_TOSHIBA_FPCIB0) += smsc_fdc37m81x.o obj-$(CONFIG_KGDB) += tx4927_dbgio.o diff --git a/arch/mips/tx4927/common/tx4927_setup.c b/arch/mips/tx4927/common/tx4927_setup.c deleted file mode 100644 index 36c5f200eb3d..000000000000 --- a/arch/mips/tx4927/common/tx4927_setup.c +++ /dev/null @@ -1,186 +0,0 @@ -/* - * Author: MontaVista Software, Inc. - * source@mvista.com - * - * Copyright 2001-2002 MontaVista Software Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/kernel_stat.h> -#include <linux/module.h> -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/timex.h> -#include <linux/slab.h> -#include <linux/random.h> -#include <linux/irq.h> -#include <linux/bitops.h> -#include <asm/bootinfo.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/mipsregs.h> -#include <asm/system.h> -#include <asm/time.h> -#include <asm/tx4927/tx4927.h> - - -#undef DEBUG - -void dump_cp0(char *key); - - -void __init plat_mem_setup(void) -{ -#ifdef CONFIG_TOSHIBA_RBTX4927 - { - extern void toshiba_rbtx4927_setup(void); - toshiba_rbtx4927_setup(); - } -#endif -} - -void __init plat_time_init(void) -{ -#ifdef CONFIG_TOSHIBA_RBTX4927 - { - extern void toshiba_rbtx4927_time_init(void); - toshiba_rbtx4927_time_init(); - } -#endif -} - -#ifdef DEBUG -void print_cp0(char *key, int num, char *name, u32 val) -{ - printk("%s cp0:%02d:%s=0x%08x\n", key, num, name, val); - return; -} - -void -dump_cp0(char *key) -{ - if (key == NULL) - key = ""; - - print_cp0(key, 0, "INDEX ", read_c0_index()); - print_cp0(key, 2, "ENTRYLO1", read_c0_entrylo0()); - print_cp0(key, 3, "ENTRYLO2", read_c0_entrylo1()); - print_cp0(key, 4, "CONTEXT ", read_c0_context()); - print_cp0(key, 5, "PAGEMASK", read_c0_pagemask()); - print_cp0(key, 6, "WIRED ", read_c0_wired()); - //print_cp0(key, 8, "BADVADDR", read_c0_badvaddr()); - print_cp0(key, 9, "COUNT ", read_c0_count()); - print_cp0(key, 10, "ENTRYHI ", read_c0_entryhi()); - print_cp0(key, 11, "COMPARE ", read_c0_compare()); - print_cp0(key, 12, "STATUS ", read_c0_status()); - print_cp0(key, 13, "CAUSE ", read_c0_cause() & 0xffff87ff); - print_cp0(key, 16, "CONFIG ", read_c0_config()); - return; -} - -void print_pic(char *key, unsigned long reg, char *name) -{ - printk(KERN_INFO "%s pic:0x%08lx:%s=0x%08x\n", key, reg, name, - __raw_readl((void __iomem *)reg)); - return; -} - - -void dump_pic(char *key) -{ - if (key == NULL) - key = ""; - - print_pic(key, 0xff1ff600, "IRDEN "); - print_pic(key, 0xff1ff604, "IRDM0 "); - print_pic(key, 0xff1ff608, "IRDM1 "); - - print_pic(key, 0xff1ff610, "IRLVL0 "); - print_pic(key, 0xff1ff614, "IRLVL1 "); - print_pic(key, 0xff1ff618, "IRLVL2 "); - print_pic(key, 0xff1ff61c, "IRLVL3 "); - print_pic(key, 0xff1ff620, "IRLVL4 "); - print_pic(key, 0xff1ff624, "IRLVL5 "); - print_pic(key, 0xff1ff628, "IRLVL6 "); - print_pic(key, 0xff1ff62c, "IRLVL7 "); - - print_pic(key, 0xff1ff640, "IRMSK "); - print_pic(key, 0xff1ff660, "IREDC "); - print_pic(key, 0xff1ff680, "IRPND "); - print_pic(key, 0xff1ff6a0, "IRCS "); - - print_pic(key, 0xff1ff514, "IRFLAG1 "); /* don't read IRLAG0 -- it hangs system */ - - print_pic(key, 0xff1ff518, "IRPOL "); - print_pic(key, 0xff1ff51c, "IRRCNT "); - print_pic(key, 0xff1ff520, "IRMASKINT"); - print_pic(key, 0xff1ff524, "IRMASKEXT"); - - return; -} - - -void print_addr(char *hdr, char *key, unsigned long addr) -{ - printk(KERN_INFO "%s %s:0x%08lx=0x%08x\n", hdr, key, addr, - __raw_readl((void __iomem *)addr)); - return; -} - - -void dump_180(char *key) -{ - u32 i; - - for (i = 0x80000180; i < 0x80000180 + 0x80; i += 4) { - print_addr("180", key, i); - } - return; -} - - -void dump_eh0(char *key) -{ - int i; - extern unsigned long exception_handlers[]; - - for (i = (int) exception_handlers; - i < (int) (exception_handlers + 20); i += 4) { - print_addr("eh0", key, i); - } - - return; -} - -void pk0(void) -{ - volatile u32 val; - - __asm__ __volatile__("ori %0, $26, 0":"=r"(val) - ); - printk("k0=[0x%08x]\n", val); -} -#endif diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c index 0299595ce1c4..e466e5e711d8 100644 --- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c +++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c @@ -45,27 +45,19 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/types.h> -#include <linux/mm.h> -#include <linux/swap.h> #include <linux/ioport.h> -#include <linux/sched.h> #include <linux/interrupt.h> #include <linux/pci.h> -#include <linux/timex.h> #include <linux/pm.h> #include <linux/platform_device.h> +#include <linux/clk.h> #include <asm/bootinfo.h> -#include <asm/page.h> #include <asm/io.h> -#include <asm/irq.h> -#include <asm/irq_regs.h> #include <asm/processor.h> #include <asm/reboot.h> #include <asm/time.h> #include <asm/txx9tmr.h> -#include <linux/bootmem.h> -#include <linux/blkdev.h> #ifdef CONFIG_TOSHIBA_FPCIB0 #include <asm/tx4927/smsc_fdc37m81x.h> #endif @@ -73,42 +65,26 @@ #ifdef CONFIG_PCI #include <asm/tx4927/tx4927_pci.h> #endif -#ifdef CONFIG_BLK_DEV_IDEPCI -#include <linux/hdreg.h> -#include <linux/ide.h> -#endif #ifdef CONFIG_SERIAL_TXX9 -#include <linux/tty.h> -#include <linux/serial.h> #include <linux/serial_core.h> #endif #undef TOSHIBA_RBTX4927_SETUP_DEBUG #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG -#define TOSHIBA_RBTX4927_SETUP_NONE 0x00000000 - -#define TOSHIBA_RBTX4927_SETUP_INFO ( 1 << 0 ) -#define TOSHIBA_RBTX4927_SETUP_WARN ( 1 << 1 ) -#define TOSHIBA_RBTX4927_SETUP_EROR ( 1 << 2 ) - -#define TOSHIBA_RBTX4927_SETUP_EFWFU ( 1 << 3 ) #define TOSHIBA_RBTX4927_SETUP_SETUP ( 1 << 4 ) #define TOSHIBA_RBTX4927_SETUP_PCIBIOS ( 1 << 7 ) #define TOSHIBA_RBTX4927_SETUP_PCI1 ( 1 << 8 ) #define TOSHIBA_RBTX4927_SETUP_PCI2 ( 1 << 9 ) -#define TOSHIBA_RBTX4927_SETUP_PCI66 ( 1 << 10 ) #define TOSHIBA_RBTX4927_SETUP_ALL 0xffffffff #endif #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG static const u32 toshiba_rbtx4927_setup_debug_flag = - (TOSHIBA_RBTX4927_SETUP_NONE | TOSHIBA_RBTX4927_SETUP_INFO | - TOSHIBA_RBTX4927_SETUP_WARN | TOSHIBA_RBTX4927_SETUP_EROR | - TOSHIBA_RBTX4927_SETUP_EFWFU | TOSHIBA_RBTX4927_SETUP_SETUP | + (TOSHIBA_RBTX4927_SETUP_SETUP | | TOSHIBA_RBTX4927_SETUP_PCIBIOS | TOSHIBA_RBTX4927_SETUP_PCI1 | - TOSHIBA_RBTX4927_SETUP_PCI2 | TOSHIBA_RBTX4927_SETUP_PCI66); + TOSHIBA_RBTX4927_SETUP_PCI2); #endif #ifdef TOSHIBA_RBTX4927_SETUP_DEBUG @@ -718,7 +694,7 @@ void toshiba_rbtx4927_power_off(void) /* no return */ } -void __init toshiba_rbtx4927_setup(void) +void __init plat_mem_setup(void) { int i; u32 cp0_config; @@ -741,13 +717,6 @@ void __init toshiba_rbtx4927_setup(void) cp0_config = cp0_config & ~(TX49_CONF_IC | TX49_CONF_DC); write_c0_config(cp0_config); -#ifdef TOSHIBA_RBTX4927_SETUP_DEBUG - { - extern void dump_cp0(char *); - dump_cp0("toshiba_rbtx4927_early_fw_fixup"); - } -#endif - set_io_port_base(KSEG1 + TBTX4927_ISA_IO_OFFSET); TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP, ":mips_io_port_base=0x%08lx\n", @@ -835,6 +804,8 @@ void __init toshiba_rbtx4927_setup(void) } /* CCFG */ + /* do reset on watchdog */ + tx4927_ccfgptr->ccfg |= TX4927_CCFG_WR; /* enable Timeout BusError */ if (tx4927_ccfg_toeon) tx4927_ccfgptr->ccfg |= TX4927_CCFG_TOE; @@ -936,8 +907,7 @@ void __init toshiba_rbtx4927_setup(void) "+\n"); } -void __init -toshiba_rbtx4927_time_init(void) +void __init plat_time_init(void) { mips_hpt_frequency = tx4927_cpu_clock / 2; if (tx4927_ccfgptr->ccfg & TX4927_CCFG_TINTDIS) @@ -977,3 +947,55 @@ static int __init rbtx4927_ne_init(void) return IS_ERR(dev) ? PTR_ERR(dev) : 0; } device_initcall(rbtx4927_ne_init); + +/* Watchdog support */ + +static int __init txx9_wdt_init(unsigned long base) +{ + struct resource res = { + .start = base, + .end = base + 0x100 - 1, + .flags = IORESOURCE_MEM, + }; + struct platform_device *dev = + platform_device_register_simple("txx9wdt", -1, &res, 1); + return IS_ERR(dev) ? PTR_ERR(dev) : 0; +} + +static int __init rbtx4927_wdt_init(void) +{ + return txx9_wdt_init(TX4927_TMR_REG(2) & 0xfffffffffULL); +} +device_initcall(rbtx4927_wdt_init); + +/* Minimum CLK support */ + +struct clk *clk_get(struct device *dev, const char *id) +{ + if (!strcmp(id, "imbus_clk")) + return (struct clk *)50000000; + return ERR_PTR(-ENOENT); +} +EXPORT_SYMBOL(clk_get); + +int clk_enable(struct clk *clk) +{ + return 0; +} +EXPORT_SYMBOL(clk_enable); + +void clk_disable(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_disable); + +unsigned long clk_get_rate(struct clk *clk) +{ + return (unsigned long)clk; +} +EXPORT_SYMBOL(clk_get_rate); + +void clk_put(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_put); |