diff options
Diffstat (limited to 'arch/arm/kernel/arch.c')
| -rw-r--r-- | arch/arm/kernel/arch.c | 496 |
1 files changed, 267 insertions, 229 deletions
diff --git a/arch/arm/kernel/arch.c b/arch/arm/kernel/arch.c index e9cca7748..717ba4ca9 100644 --- a/arch/arm/kernel/arch.c +++ b/arch/arm/kernel/arch.c @@ -1,45 +1,39 @@ /* * linux/arch/arm/kernel/arch.c * - * Architecture specifics + * Architecture specific fixups. This is where any + * parameters in the params struct are fixed up, or + * any additional architecture specific information + * is pulled from the params struct. */ #include <linux/config.h> #include <linux/tty.h> #include <linux/init.h> +#include <asm/dec21285.h> #include <asm/elf.h> #include <asm/setup.h> #include <asm/system.h> #include "arch.h" -extern unsigned int system_rev; -extern unsigned int system_serial_low; -extern unsigned int system_serial_high; - unsigned int vram_size; -#ifdef CONFIG_ARCH_ACORN -unsigned int memc_ctrl_reg; -unsigned int number_mfm_drives; -#endif extern void setup_initrd(unsigned int start, unsigned int size); extern void setup_ramdisk(int doload, int prompt, int start, unsigned int rd_sz); -/* - * Architecture specific fixups. This is where any - * parameters in the params struct are fixed up, or - * any additional architecture specific information - * is pulled from the params struct. - */ +#ifdef CONFIG_ARCH_ACORN + +unsigned int memc_ctrl_reg; +unsigned int number_mfm_drives; + static void __init fixup_acorn(struct machine_desc *desc, struct param_struct *params, char **cmdline, struct meminfo *mi) { -#ifdef CONFIG_ARCH_ACORN - int i; - if (machine_is_riscpc()) { + int i; + /* * RiscPC can't handle half-word loads and stores */ @@ -69,9 +63,36 @@ fixup_acorn(struct machine_desc *desc, struct param_struct *params, } memc_ctrl_reg = params->u1.s.memc_control_reg; number_mfm_drives = (params->u1.s.adfsdrives >> 3) & 3; -#endif } +#ifdef CONFIG_ARCH_RPC +MACHINE_START(RISCPC, "Acorn-RiscPC") + MAINTAINER("Russell King") + BOOT_MEM(0x10000000, 0x03000000, 0xe0000000) + BOOT_PARAMS(0x10000100) + DISABLE_PARPORT(0) + DISABLE_PARPORT(1) + FIXUP(fixup_acorn) +MACHINE_END +#endif +#ifdef CONFIG_ARCH_ARC +MACHINE_START(ARCHIMEDES, "Acorn-Archimedes") + MAINTAINER("Dave Gilbert") + BOOT_PARAMS(0x0207c000) + FIXUP(fixup_acorn) +MACHINE_END +#endif +#ifdef CONFIG_ARCH_A5K +MACHINE_START(A5K, "Acorn-A5000") + MAINTAINER("Russell King") + BOOT_PARAMS(0x0207c000) + FIXUP(fixup_acorn) +MACHINE_END +#endif +#endif + +#ifdef CONFIG_ARCH_EBSA285 + static void __init fixup_ebsa285(struct machine_desc *desc, struct param_struct *params, char **cmdline, struct meminfo *mi) @@ -82,6 +103,16 @@ fixup_ebsa285(struct machine_desc *desc, struct param_struct *params, ORIG_VIDEO_LINES = params->u1.s.video_num_rows; } +MACHINE_START(EBSA285, "EBSA285") + MAINTAINER("Russell King") + BOOT_MEM(0x00000000, DC21285_ARMCSR_BASE, 0xfe000000) + BOOT_PARAMS(0x00000100) + VIDEO(0x000a0000, 0x000bffff) + FIXUP(fixup_ebsa285) +MACHINE_END +#endif + +#ifdef CONFIG_ARCH_NETWINDER /* * Older NeTTroms either do not provide a parameters * page, or they don't supply correct information in @@ -105,6 +136,18 @@ fixup_netwinder(struct machine_desc *desc, struct param_struct *params, } } +MACHINE_START(NETWINDER, "Rebel-NetWinder") + MAINTAINER("Russell King/Rebel.com") + BOOT_MEM(0x00000000, DC21285_ARMCSR_BASE, 0xfe000000) + BOOT_PARAMS(0x00000100) + VIDEO(0x000a0000, 0x000bffff) + DISABLE_PARPORT(0) + DISABLE_PARPORT(2) + FIXUP(fixup_netwinder) +MACHINE_END +#endif + +#ifdef CONFIG_ARCH_CATS /* * CATS uses soft-reboot by default, since * hard reboots fail on early boards. @@ -118,11 +161,20 @@ fixup_cats(struct machine_desc *desc, struct param_struct *params, ORIG_Y = 24; } +MACHINE_START(CATS, "Chalice-CATS") + MAINTAINER("Philip Blundell") + BOOT_MEM(0x00000000, DC21285_ARMCSR_BASE, 0xfe000000) + SOFT_REBOOT + FIXUP(fixup_cats) +MACHINE_END +#endif + +#ifdef CONFIG_ARCH_CO285 + static void __init fixup_coebsa285(struct machine_desc *desc, struct param_struct *params, char **cmdline, struct meminfo *mi) { -#if 0 extern unsigned long boot_memory_end; extern char boot_command_line[]; @@ -131,242 +183,228 @@ fixup_coebsa285(struct machine_desc *desc, struct param_struct *params, mi->bank[0].size = boot_memory_end; *cmdline = boot_command_line; -#endif } +MACHINE_START(CO285, "co-EBSA285") + MAINTAINER("Mark van Doesburg") + BOOT_MEM(0x00000000, DC21285_ARMCSR_BASE, 0x7cf00000) + FIXUP(fixup_coebsa285) +MACHINE_END +#endif + +#ifdef CONFIG_ARCH_SA1100 + +extern void select_sa1100_io_desc(void); +#define SET_BANK(__nr,__start,__size) \ + mi->bank[__nr].start = (__start), \ + mi->bank[__nr].size = (__size) static void __init fixup_sa1100(struct machine_desc *desc, struct param_struct *params, char **cmdline, struct meminfo *mi) { -#ifdef CONFIG_ARCH_SA1100 - int i; - extern struct mem_desc { - unsigned long phys_start; - unsigned long length; - } mem_desc[]; - extern unsigned int mem_desc_size; - - for( i = 0; i < mem_desc_size; i++ ) { - if( i >= NR_BANKS ) { - printk( __FUNCTION__ - ": mem_desc too large for meminfo structure\n"); - break; - } - mi->bank[i].start = mem_desc[i].phys_start; - mi->bank[i].size = mem_desc[i].length; + select_sa1100_io_desc(); + + if (machine_is_assabet()) { + SET_BANK( 0, 0xc0000000, 32*1024*1024 ); + mi->nr_banks = 1; + + ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); + setup_ramdisk( 1, 0, 0, 8192 ); + setup_initrd( 0xc0800000, 3*1024*1024 ); } - mi->nr_banks = i; - -#if defined(CONFIG_SA1100_BRUTUS) - ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); - setup_ramdisk( 1, 0, 0, 8192 ); - setup_initrd( __phys_to_virt(0xd8000000), 3*1024*1024 ); -#elif defined(CONFIG_SA1100_EMPEG) - ROOT_DEV = MKDEV( 3, 1 ); /* /dev/hda1 */ - setup_ramdisk( 1, 0, 0, 4096 ); - setup_initrd( 0xd0000000+((1024-320)*1024), (320*1024) ); -#elif defined(CONFIG_SA1100_THINCLIENT) - ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); - setup_ramdisk( 1, 0, 0, 8192 ); - setup_initrd( __phys_to_virt(0xc0800000), 4*1024*1024 ); -#elif defined(CONFIG_SA1100_TIFON) - ROOT_DEV = MKDEV(UNNAMED_MAJOR, 0); - setup_ramdisk(1, 0, 0, 4096); - setup_initrd( 0xd0000000 + 0x1100004, 0x140000 ); -#elif defined(CONFIG_SA1100_VICTOR) - ROOT_DEV = MKDEV( 60, 2 ); - - /* Get command line parameters passed from the loader (if any) */ - if( *((char*)0xc0000000) ) - strcpy( default_command_line, ((char *)0xc0000000) ); - - /* power off if any problem */ - strcat( default_command_line, " panic=1" ); -#elif defined(CONFIG_SA1100_LART) - ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); - setup_ramdisk(1, 0, 0, 8192); - setup_initrd(0xc0400000, 0x00400000); -#endif -#endif -} -#define NO_PARAMS 0 -#define NO_VIDEO 0, 0 + else if (machine_is_brutus()) { + SET_BANK( 0, 0xc0000000, 4*1024*1024 ); + SET_BANK( 1, 0xc8000000, 4*1024*1024 ); + SET_BANK( 2, 0xd0000000, 4*1024*1024 ); + SET_BANK( 3, 0xd8000000, 4*1024*1024 ); + mi->nr_banks = 4; -/* - * This is the list of all architectures supported by - * this kernel. This should be integrated with the list - * in head-armv.S. - */ -static struct machine_desc machine_desc[] __attribute__ ((__section__ (".arch.info"))) = { -#ifdef CONFIG_ARCH_EBSA110 - { - MACH_TYPE_EBSA110, - "EBSA110", /* RMK */ - 0x00000400, - NO_VIDEO, - 1, 0, 1, 0, 1, - NULL - }, + ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); + setup_ramdisk( 1, 0, 0, 8192 ); + setup_initrd( __phys_to_virt(0xd8000000), 3*1024*1024 ); + } + + else if (machine_is_empeg()) { + SET_BANK( 0, 0xc0000000, 4*1024*1024 ); + SET_BANK( 1, 0xc8000000, 4*1024*1024 ); + mi->nr_banks = 2; + + ROOT_DEV = MKDEV( 3, 1 ); /* /dev/hda1 */ + setup_ramdisk( 1, 0, 0, 4096 ); + setup_initrd( 0xd0000000+((1024-320)*1024), (320*1024) ); + } + + else if (machine_is_lart()) { + /* + * Note that LART is a special case - it doesn't use physical + * address line A23 on the DRAM, so we effectively have 4 * 8MB + * in two SA1100 banks. + */ + SET_BANK( 0, 0xc0000000, 8*1024*1024 ); + SET_BANK( 1, 0xc1000000, 8*1024*1024 ); + SET_BANK( 2, 0xc8000000, 8*1024*1024 ); + SET_BANK( 3, 0xc9000000, 8*1024*1024 ); + mi->nr_banks = 4; + + ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); + setup_ramdisk(1, 0, 0, 8192); + setup_initrd(0xc0400000, 4*1024*1024); + } + + else if (machine_is_thinclient()) { + SET_BANK( 0, 0xc0000000, 16*1024*1024 ); + mi->nr_banks = 1; + + ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); + setup_ramdisk( 1, 0, 0, 8192 ); + setup_initrd( __phys_to_virt(0xc0800000), 4*1024*1024 ); + } + + else if (machine_is_tifon()) { + SET_BANK( 0, 0xc0000000, 16*1024*1024 ); + SET_BANK( 1, 0xc8000000, 16*1024*1024 ); + mi->nr_banks = 2; + + ROOT_DEV = MKDEV(UNNAMED_MAJOR, 0); + setup_ramdisk(1, 0, 0, 4096); + setup_initrd( 0xd0000000 + 0x1100004, 0x140000 ); + } + + else if (machine_is_victor()) { + SET_BANK( 0, 0xc0000000, 4*1024*1024 ); + mi->nr_banks = 1; + + ROOT_DEV = MKDEV( 60, 2 ); + + /* Get command line parameters passed from the loader (if any) */ + if( *((char*)0xc0000000) ) + strcpy( *cmdline, ((char *)0xc0000000) ); + + /* power off if any problem */ + strcat( *cmdline, " panic=1" ); + } + +} + +#ifdef CONFIG_SA1100_ASSABET +MACHINE_START(ASSABET, "Intel-Assabet") + BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) + FIXUP(fixup_sa1100) +MACHINE_END #endif -#ifdef CONFIG_ARCH_RPC - { - MACH_TYPE_RISCPC, - "Acorn-RiscPC", /* RMK */ - 0x10000100, - NO_VIDEO, - 1, 1, 0, 0, 0, - fixup_acorn - }, +#ifdef CONFIG_SA1100_BITSY +MACHINE_START(BITSY, "Compaq Bitsy") + BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) + BOOT_PARAMS(0xc0000100) + FIXUP(fixup_sa1100) +MACHINE_END #endif -#ifdef CONFIG_ARCH_NEXUSPCI - { - MACH_TYPE_NEXUSPCI, - "FTV/PCI", /* Philip Blundell */ - NO_PARAMS, - NO_VIDEO, - 0, 0, 0, 0, 0, - NULL - }, +#ifdef CONFIG_SA1100_BRUTUS +MACHINE_START(BRUTUS, "Intel Brutus (SA1100 eval board)") + BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) + FIXUP(fixup_sa1100) +MACHINE_END #endif -#ifdef CONFIG_ARCH_EBSA285 - { - MACH_TYPE_EBSA285, - "EBSA285", /* RMK */ - 0x00000100, - 0x000a0000, 0x000bffff, - 0, 0, 0, 0, 0, - fixup_ebsa285 - }, +#ifdef CONFIG_SA1100_EMPEG +MACHINE_START(EMPEG, "empeg MP3 Car Audio Player") + BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) + FIXUP(fixup_sa1100) +MACHINE_END #endif -#ifdef CONFIG_ARCH_NETWINDER - { - MACH_TYPE_NETWINDER, - "Rebel-NetWinder", /* RMK */ - 0x00000100, - 0x000a0000, 0x000bffff, - 1, 0, 1, 0, 0, - fixup_netwinder - }, +#ifdef CONFIG_SA1100_ITSY +MACHINE_START(ITSY, "Compaq Itsy") + BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) + BOOT_PARAMS(0xc0000100 + FIXUP(fixup_sa1100) +MACHINE_END #endif -#ifdef CONFIG_ARCH_CATS - { - MACH_TYPE_CATS, - "Chalice-CATS", /* Philip Blundell */ - NO_PARAMS, - 0x000a0000, 0x000bffff, - 0, 0, 0, 0, 1, - fixup_cats - }, +#ifdef CONFIG_SA1100_LART +MACHINE_START(LART, "LART") + BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) + FIXUP(fixup_sa1100) +MACHINE_END #endif -#ifdef CONFIG_ARCH_TBOX - { - MACH_TYPE_TBOX, - "unknown-TBOX", /* Philip Blundell */ - NO_PARAMS, - NO_VIDEO, - 0, 0, 0, 0, 0, - NULL - }, +#ifdef CONFIG_SA1100_PLEB +MACHINE_START(PLEB, "PLEB") + BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) + FIXUP(fixup_sa1100) +MACHINE_END #endif -#ifdef CONFIG_ARCH_CO285 - { - MACH_TYPE_CO285, - "co-EBSA285", /* Mark van Doesburg */ - NO_PARAMS, - NO_VIDEO, - 0, 0, 0, 0, 0, - fixup_coebsa285 - }, +#ifdef CONFIG_SA1100_THINCLIENT +MACHINE_START(THINCLIENT, "ADS ThinClient") + BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) + FIXUP(fixup_sa1100) +MACHINE_END #endif -#ifdef CONFIG_ARCH_CLPS7110 - { - MACH_TYPE_CLPS7110, - "CL-PS7110", /* Werner Almesberger */ - NO_PARAMS, - NO_VIDEO, - 0, 0, 0, 0, 0, - NULL - }, +#ifdef CONFIG_SA1100_TIFON +MACHINE_START(TIFON, "Tifon") + BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) + FIXUP(fixup_sa1100) +MACHINE_END #endif -#ifdef CONFIG_ARCH_ARC - { - MACH_TYPE_ARCHIMEDES, - "Acorn-Archimedes",/* RMK/DAG */ - 0x0207c000, - NO_VIDEO, - 0, 0, 0, 0, 0, - fixup_acorn - }, +#ifdef CONFIG_SA1100_VICTOR +MACHINE_START(VICTOR, "VisuAide Victor") + BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) + FIXUP(fixup_sa1100) +MACHINE_END #endif -#ifdef CONFIG_ARCH_A5K - { - MACH_TYPE_A5K, - "Acorn-A5000", /* RMK/PB */ - 0x0207c000, - NO_VIDEO, - 0, 0, 0, 0, 0, - fixup_acorn - }, +#endif + +#ifdef CONFIG_ARCH_EBSA110 +MACHINE_START(EBSA110, "EBSA110") + MAINTAINER("Russell King") + BOOT_MEM(0x00000000, 0xe0000000, 0xe0000000) + BOOT_PARAMS(0x00000400) + DISABLE_PARPORT(0) + DISABLE_PARPORT(2) + SOFT_REBOOT +MACHINE_END +#endif +#ifdef CONFIG_ARCH_NEXUSPCI +MACHINE_START(NEXUSPCI, "FTV/PCI") + MAINTAINER("Philip Blundell") + BOOT_MEM(0x40000000, 0x10000000, 0xe0000000) +MACHINE_END +#endif +#ifdef CONFIG_ARCH_TBOX +MACHINE_START(TBOX, "unknown-TBOX") + MAINTAINER("Philip Blundell") + BOOT_MEM(0x80000000, 0x00400000, 0xe0000000) +MACHINE_END +#endif +#ifdef CONFIG_ARCH_CLPS7110 +MACHINE_START(CLPS7110, "CL-PS7110") + MAINTAINER("Werner Almesberger") +MACHINE_END #endif #ifdef CONFIG_ARCH_ETOILE - { - MACH_TYPE_ETOILE, - "Etoile", /* Alex de Vries */ - NO_PARAMS, - NO_VIDEO, - 0, 0, 0, 0, 0, - NULL - }, +MACHINE_START(ETOILE, "Etoile") + MAINTAINER("Alex de Vries") +MACHINE_END #endif #ifdef CONFIG_ARCH_LACIE_NAS - { - MACH_TYPE_LACIE_NAS, - "LaCie_NAS", /* Benjamin Herrenschmidt */ - NO_PARAMS, - NO_VIDEO, - 0, 0, 0, 0, 0, - NULL - }, +MACHINE_START(LACIE_NAS, "LaCie_NAS") + MAINTAINER("Benjamin Herrenschmidt") +MACHINE_END #endif #ifdef CONFIG_ARCH_CLPS7500 - { - MACH_TYPE_CLPS7500, - "CL-PS7500", /* Philip Blundell */ - NO_PARAMS, - NO_VIDEO, - 0, 0, 0, 0, 0, - NULL - }, +MACHINE_START(CLPS7500, "CL-PS7500") + MAINTAINER("Philip Blundell") + BOOT_MEM(0x10000000, 0x03000000, 0xe0000000) +MACHINE_END #endif #ifdef CONFIG_ARCH_SHARK - { - MACH_TYPE_SHARK, - "Shark", /* Alexander Schulz */ - NO_PARAMS, - 0x06000000, 0x06000000+0x001fffff, - 0, 0, 0, 0, 0, - NULL - }, -#endif -#ifdef CONFIG_ARCH_SA1100 - { - MACH_TYPE_SA1100, - "SA1100-based", /* Nicolas Pitre */ - NO_PARAMS, - NO_VIDEO, - 0, 0, 0, 0, 0, - fixup_sa1100 - }, +MACHINE_START(SHARK, "Shark") + MAINTAINER("Alexander Schulz") + BOOT_MEM(0x08000000, 0x40000000, 0xe0000000) + VIDEO(0x06000000, 0x061fffff) +MACHINE_END #endif #ifdef CONFIG_ARCH_PERSONAL_SERVER - { - MACH_TYPE_PERSONAL_SERVER, - "Compaq Personal Server", - NO_PARAMS, - NO_VIDEO, - 0, 0, 0, 0, 0, - NULL - } +MACHINE_START(PERSONAL_SERVER, "Compaq Personal Server") + MAINTAINER("Jamey Hicks / George France") + BOOT_MEM(0x00000000, DC21285_ARMCSR_BASE, 0xfe000000) + BOOT_PARAMS(0x00000100) +MACHINE_END #endif -}; |