diff options
Diffstat (limited to 'arch/sh/kernel/setup.c')
-rw-r--r-- | arch/sh/kernel/setup.c | 117 |
1 files changed, 49 insertions, 68 deletions
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index e75189cb1db..5f587332234 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -43,27 +43,14 @@ extern void * __rd_start, * __rd_end; * The bigger value means no problem. */ struct sh_cpuinfo boot_cpu_data = { CPU_SH_NONE, 10000000, }; +#ifdef CONFIG_VT struct screen_info screen_info; +#endif #if defined(CONFIG_SH_UNKNOWN) struct sh_machine_vector sh_mv; #endif -/* We need this to satisfy some external references. */ -struct screen_info screen_info = { - 0, 25, /* orig-x, orig-y */ - 0, /* unused */ - 0, /* orig-video-page */ - 0, /* orig-video-mode */ - 80, /* orig-video-cols */ - 0,0,0, /* ega_ax, ega_bx, ega_cx */ - 25, /* orig-video-lines */ - 0, /* orig-video-isVGA */ - 16 /* orig-video-points */ -}; - -extern void platform_setup(void); -extern char *get_system_type(void); extern int root_mountflags; #define MV_NAME_SIZE 32 @@ -90,29 +77,8 @@ static struct sh_machine_vector* __init get_mv_byname(const char* name); static char command_line[COMMAND_LINE_SIZE] = { 0, }; -struct resource standard_io_resources[] = { - { "dma1", 0x00, 0x1f }, - { "pic1", 0x20, 0x3f }, - { "timer", 0x40, 0x5f }, - { "keyboard", 0x60, 0x6f }, - { "dma page reg", 0x80, 0x8f }, - { "pic2", 0xa0, 0xbf }, - { "dma2", 0xc0, 0xdf }, - { "fpu", 0xf0, 0xff } -}; - -#define STANDARD_IO_RESOURCES (sizeof(standard_io_resources)/sizeof(struct resource)) - -/* System RAM - interrupted by the 640kB-1M hole */ -#define code_resource (ram_resources[3]) -#define data_resource (ram_resources[4]) -static struct resource ram_resources[] = { - { "System RAM", 0x000000, 0x09ffff, IORESOURCE_BUSY }, - { "System RAM", 0x100000, 0x100000, IORESOURCE_BUSY }, - { "Video RAM area", 0x0a0000, 0x0bffff }, - { "Kernel code", 0x100000, 0 }, - { "Kernel data", 0, 0 } -}; +static struct resource code_resource = { .name = "Kernel code", }; +static struct resource data_resource = { .name = "Kernel data", }; unsigned long memory_start, memory_end; @@ -145,6 +111,24 @@ static inline void parse_cmdline (char ** cmdline_p, char mv_name[MV_NAME_SIZE], memory_end = memory_start + mem_size; } } + +#ifdef CONFIG_EARLY_PRINTK + if (c == ' ' && !memcmp(from, "earlyprintk=", 12)) { + char *ep_end; + + if (to != command_line) + to--; + + from += 12; + ep_end = strchr(from, ' '); + + setup_early_printk(from); + printk("early console enabled\n"); + + from = ep_end; + } +#endif + if (c == ' ' && !memcmp(from, "sh_mv=", 6)) { char* mv_end; char* mv_comma; @@ -237,6 +221,9 @@ static int __init sh_mv_setup(char **cmdline_p) __set_io_port_base(mv_io_base); #endif + if (!sh_mv.mv_nr_irqs) + sh_mv.mv_nr_irqs = NR_IRQS; + return 0; } @@ -245,11 +232,6 @@ void __init setup_arch(char **cmdline_p) unsigned long bootmap_size; unsigned long start_pfn, max_pfn, max_low_pfn; -#ifdef CONFIG_EARLY_PRINTK - extern void enable_early_printk(void); - - enable_early_printk(); -#endif #ifdef CONFIG_CMDLINE_BOOL strcpy(COMMAND_LINE, CONFIG_CMDLINE); #endif @@ -368,14 +350,14 @@ void __init setup_arch(char **cmdline_p) #endif /* Perform the machine specific initialisation */ - platform_setup(); + if (likely(sh_mv.mv_setup)) + sh_mv.mv_setup(cmdline_p); paging_init(); } struct sh_machine_vector* __init get_mv_byname(const char* name) { - extern int strcasecmp(const char *, const char *); extern long __machvec_start, __machvec_end; struct sh_machine_vector *all_vecs = (struct sh_machine_vector *)&__machvec_start; @@ -410,25 +392,18 @@ static int __init topology_init(void) subsys_initcall(topology_init); static const char *cpu_name[] = { - [CPU_SH7604] = "SH7604", - [CPU_SH7705] = "SH7705", - [CPU_SH7708] = "SH7708", - [CPU_SH7729] = "SH7729", - [CPU_SH7300] = "SH7300", - [CPU_SH7750] = "SH7750", - [CPU_SH7750S] = "SH7750S", - [CPU_SH7750R] = "SH7750R", - [CPU_SH7751] = "SH7751", - [CPU_SH7751R] = "SH7751R", - [CPU_SH7760] = "SH7760", - [CPU_SH73180] = "SH73180", - [CPU_ST40RA] = "ST40RA", - [CPU_ST40GX1] = "ST40GX1", - [CPU_SH4_202] = "SH4-202", - [CPU_SH4_501] = "SH4-501", - [CPU_SH7770] = "SH7770", - [CPU_SH7780] = "SH7780", - [CPU_SH7781] = "SH7781", + [CPU_SH7604] = "SH7604", [CPU_SH7300] = "SH7300", + [CPU_SH7705] = "SH7705", [CPU_SH7706] = "SH7706", + [CPU_SH7707] = "SH7707", [CPU_SH7708] = "SH7708", + [CPU_SH7709] = "SH7709", [CPU_SH7710] = "SH7710", + [CPU_SH7729] = "SH7729", [CPU_SH7750] = "SH7750", + [CPU_SH7750S] = "SH7750S", [CPU_SH7750R] = "SH7750R", + [CPU_SH7751] = "SH7751", [CPU_SH7751R] = "SH7751R", + [CPU_SH7760] = "SH7760", [CPU_SH73180] = "SH73180", + [CPU_ST40RA] = "ST40RA", [CPU_ST40GX1] = "ST40GX1", + [CPU_SH4_202] = "SH4-202", [CPU_SH4_501] = "SH4-501", + [CPU_SH7770] = "SH7770", [CPU_SH7780] = "SH7780", + [CPU_SH7781] = "SH7781", [CPU_SH7343] = "SH7343", [CPU_SH_NONE] = "Unknown" }; @@ -438,8 +413,10 @@ const char *get_cpu_subtype(void) } #ifdef CONFIG_PROC_FS +/* Symbolic CPU flags, keep in sync with asm/cpu-features.h */ static const char *cpu_flags[] = { - "none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr", "ptea", NULL + "none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr", + "ptea", "llsc", "l2", NULL }; static void show_cpuflags(struct seq_file *m) @@ -460,7 +437,8 @@ static void show_cpuflags(struct seq_file *m) seq_printf(m, "\n"); } -static void show_cacheinfo(struct seq_file *m, const char *type, struct cache_info info) +static void show_cacheinfo(struct seq_file *m, const char *type, + struct cache_info info) { unsigned int cache_size; @@ -493,7 +471,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) * unified cache on the SH-2 and SH-3, as well as the harvard * style cache on the SH-4. */ - if (test_bit(SH_CACHE_COMBINED, &(boot_cpu_data.icache.flags))) { + if (boot_cpu_data.icache.flags & SH_CACHE_COMBINED) { seq_printf(m, "unified\n"); show_cacheinfo(m, "cache", boot_cpu_data.icache); } else { @@ -502,6 +480,10 @@ static int show_cpuinfo(struct seq_file *m, void *v) show_cacheinfo(m, "dcache", boot_cpu_data.dcache); } + /* Optional secondary cache */ + if (boot_cpu_data.flags & CPU_HAS_L2_CACHE) + show_cacheinfo(m, "scache", boot_cpu_data.scache); + seq_printf(m, "bogomips\t: %lu.%02lu\n", boot_cpu_data.loops_per_jiffy/(500000/HZ), (boot_cpu_data.loops_per_jiffy/(5000/HZ)) % 100); @@ -617,4 +599,3 @@ static int __init kgdb_parse_options(char *options) } __setup("kgdb=", kgdb_parse_options); #endif /* CONFIG_SH_KGDB */ - |