diff options
Diffstat (limited to 'arch/sh/kernel/setup.c')
| -rw-r--r-- | arch/sh/kernel/setup.c | 749 |
1 files changed, 218 insertions, 531 deletions
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 036050b377c..de19cfa768f 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -1,637 +1,324 @@ -/* $Id: setup.c,v 1.30 2003/10/13 07:21:19 lethal Exp $ +/* + * arch/sh/kernel/setup.c * - * linux/arch/sh/kernel/setup.c + * This file handles the architecture-dependent parts of initialization * * Copyright (C) 1999 Niibe Yutaka - * Copyright (C) 2002, 2003 Paul Mundt - */ - -/* - * This file handles the architecture-dependent parts of initialization + * Copyright (C) 2002 - 2010 Paul Mundt */ - -#include <linux/tty.h> +#include <linux/screen_info.h> #include <linux/ioport.h> #include <linux/init.h> #include <linux/initrd.h> #include <linux/bootmem.h> #include <linux/console.h> -#include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/utsname.h> +#include <linux/nodemask.h> #include <linux/cpu.h> +#include <linux/pfn.h> +#include <linux/fs.h> +#include <linux/mm.h> +#include <linux/kexec.h> +#include <linux/module.h> +#include <linux/smp.h> +#include <linux/err.h> +#include <linux/crash_dump.h> +#include <linux/mmzone.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/memblock.h> #include <asm/uaccess.h> #include <asm/io.h> -#include <asm/io_generic.h> +#include <asm/page.h> +#include <asm/elf.h> #include <asm/sections.h> #include <asm/irq.h> #include <asm/setup.h> - -#ifdef CONFIG_SH_KGDB -#include <asm/kgdb.h> -static int kgdb_parse_options(char *options); -#endif -extern void * __rd_start, * __rd_end; -/* - * Machine setup.. - */ +#include <asm/clock.h> +#include <asm/smp.h> +#include <asm/mmu_context.h> +#include <asm/mmzone.h> +#include <asm/sparsemem.h> /* * Initialize loops_per_jiffy as 10000000 (1000MIPS). * This value will be used at the very early stage of serial setup. * The bigger value means no problem. */ -struct sh_cpuinfo boot_cpu_data = { CPU_SH_NONE, 0, 10000000, }; -struct screen_info screen_info; - -#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 */ +struct sh_cpuinfo cpu_data[NR_CPUS] __read_mostly = { + [0] = { + .type = CPU_SH_NONE, + .family = CPU_FAMILY_UNKNOWN, + .loops_per_jiffy = 10000000, + .phys_bits = MAX_PHYSMEM_BITS, + }, }; - -extern void platform_setup(void); -extern char *get_system_type(void); -extern int root_mountflags; - -#define MV_NAME_SIZE 32 - -static struct sh_machine_vector* __init get_mv_byname(const char* name); +EXPORT_SYMBOL(cpu_data); /* - * This is set up by the setup-routine at boot-time + * The machine vector. First entry in .machvec.init, or clobbered by + * sh_mv= on the command line, prior to .machvec.init teardown. */ -#define PARAM ((unsigned char *)empty_zero_page) +struct sh_machine_vector sh_mv = { .mv_name = "generic", }; +EXPORT_SYMBOL(sh_mv); + +#ifdef CONFIG_VT +struct screen_info screen_info; +#endif -#define MOUNT_ROOT_RDONLY (*(unsigned long *) (PARAM+0x000)) -#define RAMDISK_FLAGS (*(unsigned long *) (PARAM+0x004)) -#define ORIG_ROOT_DEV (*(unsigned long *) (PARAM+0x008)) -#define LOADER_TYPE (*(unsigned long *) (PARAM+0x00c)) -#define INITRD_START (*(unsigned long *) (PARAM+0x010)) -#define INITRD_SIZE (*(unsigned long *) (PARAM+0x014)) -/* ... */ -#define COMMAND_LINE ((char *) (PARAM+0x100)) +extern int root_mountflags; #define RAMDISK_IMAGE_START_MASK 0x07FF #define RAMDISK_PROMPT_FLAG 0x8000 #define RAMDISK_LOAD_FLAG 0x4000 -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 } -}; +static char __initdata command_line[COMMAND_LINE_SIZE] = { 0, }; -#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", + .flags = IORESOURCE_BUSY | IORESOURCE_MEM, }; -unsigned long memory_start, memory_end; - -static inline void parse_cmdline (char ** cmdline_p, char mv_name[MV_NAME_SIZE], - struct sh_machine_vector** mvp, - unsigned long *mv_io_base, - int *mv_mmio_enable) -{ - char c = ' ', *to = command_line, *from = COMMAND_LINE; - int len = 0; - - /* Save unparsed command line copy for /proc/cmdline */ - memcpy(saved_command_line, COMMAND_LINE, COMMAND_LINE_SIZE); - saved_command_line[COMMAND_LINE_SIZE-1] = '\0'; - - memory_start = (unsigned long)PAGE_OFFSET+__MEMORY_START; - memory_end = memory_start + __MEMORY_SIZE; - - for (;;) { - /* - * "mem=XXX[kKmM]" defines a size of memory. - */ - if (c == ' ' && !memcmp(from, "mem=", 4)) { - if (to != command_line) - to--; - { - unsigned long mem_size; - - mem_size = memparse(from+4, &from); - memory_end = memory_start + mem_size; - } - } - if (c == ' ' && !memcmp(from, "sh_mv=", 6)) { - char* mv_end; - char* mv_comma; - int mv_len; - if (to != command_line) - to--; - from += 6; - mv_end = strchr(from, ' '); - if (mv_end == NULL) - mv_end = from + strlen(from); - - mv_comma = strchr(from, ','); - if ((mv_comma != NULL) && (mv_comma < mv_end)) { - int ints[3]; - get_options(mv_comma+1, ARRAY_SIZE(ints), ints); - *mv_io_base = ints[1]; - *mv_mmio_enable = ints[2]; - mv_len = mv_comma - from; - } else { - mv_len = mv_end - from; - } - if (mv_len > (MV_NAME_SIZE-1)) - mv_len = MV_NAME_SIZE-1; - memcpy(mv_name, from, mv_len); - mv_name[mv_len] = '\0'; - from = mv_end; - - *mvp = get_mv_byname(mv_name); - } - c = *(from++); - if (!c) - break; - if (COMMAND_LINE_SIZE <= ++len) - break; - *(to++) = c; - } - *to = '\0'; - *cmdline_p = command_line; -} - -static int __init sh_mv_setup(char **cmdline_p) -{ -#if defined(CONFIG_SH_UNKNOWN) - extern struct sh_machine_vector mv_unknown; -#endif - struct sh_machine_vector *mv = NULL; - char mv_name[MV_NAME_SIZE] = ""; - unsigned long mv_io_base = 0; - int mv_mmio_enable = 0; - - parse_cmdline(cmdline_p, mv_name, &mv, &mv_io_base, &mv_mmio_enable); - -#ifdef CONFIG_SH_GENERIC - if (mv == NULL) { - mv = &mv_unknown; - if (*mv_name != '\0') { - printk("Warning: Unsupported machine %s, using unknown\n", - mv_name); - } - } - sh_mv = *mv; -#endif -#ifdef CONFIG_SH_UNKNOWN - sh_mv = mv_unknown; -#endif - - /* - * Manually walk the vec, fill in anything that the board hasn't yet - * by hand, wrapping to the generic implementation. - */ -#define mv_set(elem) do { \ - if (!sh_mv.mv_##elem) \ - sh_mv.mv_##elem = generic_##elem; \ -} while (0) +static struct resource data_resource = { + .name = "Kernel data", + .flags = IORESOURCE_BUSY | IORESOURCE_MEM, +}; - mv_set(inb); mv_set(inw); mv_set(inl); - mv_set(outb); mv_set(outw); mv_set(outl); +static struct resource bss_resource = { + .name = "Kernel bss", + .flags = IORESOURCE_BUSY | IORESOURCE_MEM, +}; - mv_set(inb_p); mv_set(inw_p); mv_set(inl_p); - mv_set(outb_p); mv_set(outw_p); mv_set(outl_p); +unsigned long memory_start; +EXPORT_SYMBOL(memory_start); +unsigned long memory_end = 0; +EXPORT_SYMBOL(memory_end); +unsigned long memory_limit = 0; - mv_set(insb); mv_set(insw); mv_set(insl); - mv_set(outsb); mv_set(outsw); mv_set(outsl); +static struct resource mem_resources[MAX_NUMNODES]; - mv_set(readb); mv_set(readw); mv_set(readl); - mv_set(writeb); mv_set(writew); mv_set(writel); +int l1i_cache_shape, l1d_cache_shape, l2_cache_shape; - mv_set(ioremap); - mv_set(iounmap); +static int __init early_parse_mem(char *p) +{ + if (!p) + return 1; - mv_set(isa_port2addr); - mv_set(irq_demux); + memory_limit = PAGE_ALIGN(memparse(p, &p)); -#ifdef CONFIG_SH_UNKNOWN - __set_io_port_base(mv_io_base); -#endif + pr_notice("Memory limited to %ldMB\n", memory_limit >> 20); return 0; } +early_param("mem", early_parse_mem); -void __init setup_arch(char **cmdline_p) +void __init check_for_initrd(void) { - 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 - - ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV); - -#ifdef CONFIG_BLK_DEV_RAM - rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK; - rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0); - rd_doload = ((RAMDISK_FLAGS & RAMDISK_LOAD_FLAG) != 0); -#endif - - if (!MOUNT_ROOT_RDONLY) - root_mountflags &= ~MS_RDONLY; - init_mm.start_code = (unsigned long) _text; - init_mm.end_code = (unsigned long) _etext; - init_mm.end_data = (unsigned long) _edata; - init_mm.brk = (unsigned long) _end; - - code_resource.start = virt_to_bus(_text); - code_resource.end = virt_to_bus(_etext)-1; - data_resource.start = virt_to_bus(_etext); - data_resource.end = virt_to_bus(_edata)-1; - - sh_mv_setup(cmdline_p); - -#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) -#define PFN_DOWN(x) ((x) >> PAGE_SHIFT) -#define PFN_PHYS(x) ((x) << PAGE_SHIFT) +#ifdef CONFIG_BLK_DEV_INITRD + unsigned long start, end; /* - * Find the highest page frame number we have available + * Check for the rare cases where boot loaders adhere to the boot + * ABI. */ - max_pfn = PFN_DOWN(__pa(memory_end)); + if (!LOADER_TYPE || !INITRD_START || !INITRD_SIZE) + goto disable; - /* - * Determine low and high memory ranges: - */ - max_low_pfn = max_pfn; + start = INITRD_START + __MEMORY_START; + end = start + INITRD_SIZE; - /* - * Partially used pages are not usable - thus - * we are rounding upwards: - */ - start_pfn = PFN_UP(__pa(_end)); + if (unlikely(end <= start)) + goto disable; + if (unlikely(start & ~PAGE_MASK)) { + pr_err("initrd must be page aligned\n"); + goto disable; + } - /* - * Find a proper area for the bootmem bitmap. After this - * bootstrap step all allocations (until the page allocator - * is intact) must be done via bootmem_alloc(). - */ - bootmap_size = init_bootmem_node(NODE_DATA(0), start_pfn, - __MEMORY_START>>PAGE_SHIFT, - max_low_pfn); - /* - * Register fully available low RAM pages with the bootmem allocator. - */ - { - unsigned long curr_pfn, last_pfn, pages; - - /* - * We are rounding up the start address of usable memory: - */ - curr_pfn = PFN_UP(__MEMORY_START); - /* - * ... and at the end of the usable range downwards: - */ - last_pfn = PFN_DOWN(__pa(memory_end)); - - if (last_pfn > max_low_pfn) - last_pfn = max_low_pfn; - - pages = last_pfn - curr_pfn; - free_bootmem_node(NODE_DATA(0), PFN_PHYS(curr_pfn), - PFN_PHYS(pages)); + if (unlikely(start < __MEMORY_START)) { + pr_err("initrd start (%08lx) < __MEMORY_START(%x)\n", + start, __MEMORY_START); + goto disable; + } + + if (unlikely(end > memblock_end_of_DRAM())) { + pr_err("initrd extends beyond end of memory " + "(0x%08lx > 0x%08lx)\ndisabling initrd\n", + end, (unsigned long)memblock_end_of_DRAM()); + goto disable; } /* - * Reserve the kernel text and - * Reserve the bootmem bitmap. We do this in two steps (first step - * was init_bootmem()), because this catches the (definitely buggy) - * case of us accidentally initializing the bootmem allocator with - * an invalid RAM area. + * If we got this far in spite of the boot loader's best efforts + * to the contrary, assume we actually have a valid initrd and + * fix up the root dev. */ - reserve_bootmem_node(NODE_DATA(0), __MEMORY_START+PAGE_SIZE, - (PFN_PHYS(start_pfn)+bootmap_size+PAGE_SIZE-1)-__MEMORY_START); + ROOT_DEV = Root_RAM0; /* - * reserve physical page 0 - it's a special BIOS page on many boxes, - * enabling clean reboots, SMP operation, laptop functions. + * Address sanitization */ - reserve_bootmem_node(NODE_DATA(0), __MEMORY_START, PAGE_SIZE); + initrd_start = (unsigned long)__va(start); + initrd_end = initrd_start + INITRD_SIZE; -#ifdef CONFIG_BLK_DEV_INITRD - ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0); - if (&__rd_start != &__rd_end) { - LOADER_TYPE = 1; - INITRD_START = PHYSADDR((unsigned long)&__rd_start) - __MEMORY_START; - INITRD_SIZE = (unsigned long)&__rd_end - (unsigned long)&__rd_start; - } + memblock_reserve(__pa(initrd_start), INITRD_SIZE); - if (LOADER_TYPE && INITRD_START) { - if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) { - reserve_bootmem_node(NODE_DATA(0), INITRD_START+__MEMORY_START, INITRD_SIZE); - initrd_start = - INITRD_START ? INITRD_START + PAGE_OFFSET + __MEMORY_START : 0; - initrd_end = initrd_start + INITRD_SIZE; - } else { - printk("initrd extends beyond end of memory " - "(0x%08lx > 0x%08lx)\ndisabling initrd\n", - INITRD_START + INITRD_SIZE, - max_low_pfn << PAGE_SHIFT); - initrd_start = 0; - } - } -#endif + return; -#ifdef CONFIG_DUMMY_CONSOLE - conswitchp = &dummy_con; +disable: + pr_info("initrd disabled\n"); + initrd_start = initrd_end = 0; #endif - - /* Perform the machine specific initialisation */ - platform_setup(); - - paging_init(); } -struct sh_machine_vector* __init get_mv_byname(const char* name) +void calibrate_delay(void) { - 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; - - int i, n = ((unsigned long)&__machvec_end - - (unsigned long)&__machvec_start)/ - sizeof(struct sh_machine_vector); - - for (i = 0; i < n; ++i) { - struct sh_machine_vector *mv = &all_vecs[i]; - if (mv == NULL) - continue; - if (strcasecmp(name, get_system_type()) == 0) { - return mv; - } - } - return NULL; -} + struct clk *clk = clk_get(NULL, "cpu_clk"); -static struct cpu cpu[NR_CPUS]; + if (IS_ERR(clk)) + panic("Need a sane CPU clock definition!"); -static int __init topology_init(void) -{ - int cpu_id; + loops_per_jiffy = (clk_get_rate(clk) >> 1) / HZ; - for (cpu_id = 0; cpu_id < NR_CPUS; cpu_id++) - if (cpu_possible(cpu_id)) - register_cpu(&cpu[cpu_id], cpu_id, NULL); - - return 0; + printk(KERN_INFO "Calibrating delay loop (skipped)... " + "%lu.%02lu BogoMIPS PRESET (lpj=%lu)\n", + loops_per_jiffy/(500000/HZ), + (loops_per_jiffy/(5000/HZ)) % 100, + loops_per_jiffy); } -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_SH_NONE] = "Unknown" -}; - -const char *get_cpu_subtype(void) +void __init __add_active_range(unsigned int nid, unsigned long start_pfn, + unsigned long end_pfn) { - return cpu_name[boot_cpu_data.type]; -} + struct resource *res = &mem_resources[nid]; + unsigned long start, end; -#ifdef CONFIG_PROC_FS -static const char *cpu_flags[] = { - "none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr", -}; + WARN_ON(res->name); /* max one active range per node for now */ -static void show_cpuflags(struct seq_file *m) -{ - unsigned long i; + start = start_pfn << PAGE_SHIFT; + end = end_pfn << PAGE_SHIFT; - seq_printf(m, "cpu flags\t:"); + res->name = "System RAM"; + res->start = start; + res->end = end - 1; + res->flags = IORESOURCE_MEM | IORESOURCE_BUSY; - if (!cpu_data->flags) { - seq_printf(m, " %s\n", cpu_flags[0]); + if (request_resource(&iomem_resource, res)) { + pr_err("unable to request memory_resource 0x%lx 0x%lx\n", + start_pfn, end_pfn); return; } - for (i = 0; i < cpu_data->flags; i++) - if ((cpu_data->flags & (1 << i))) - seq_printf(m, " %s", cpu_flags[i+1]); + /* + * We don't know which RAM region contains kernel data or + * the reserved crashkernel region, so try it repeatedly + * and let the resource manager test it. + */ + request_resource(res, &code_resource); + request_resource(res, &data_resource); + request_resource(res, &bss_resource); +#ifdef CONFIG_KEXEC + request_resource(res, &crashk_res); +#endif + + /* + * Also make sure that there is a PMB mapping that covers this + * range before we attempt to activate it, to avoid reset by MMU. + * We can hit this path with NUMA or memory hot-add. + */ + pmb_bolt_mapping((unsigned long)__va(start), start, end - start, + PAGE_KERNEL); - seq_printf(m, "\n"); + memblock_set_node(PFN_PHYS(start_pfn), PFN_PHYS(end_pfn - start_pfn), + &memblock.memory, nid); } -static void show_cacheinfo(struct seq_file *m, const char *type, struct cache_info info) +void __init __weak plat_early_device_setup(void) { - unsigned int cache_size; - - cache_size = info.ways * info.sets * info.linesz; - - seq_printf(m, "%s size\t: %dKiB\n", type, cache_size >> 10); } -/* - * Get CPU information for use by the procfs. - */ -static int show_cpuinfo(struct seq_file *m, void *v) +void __init setup_arch(char **cmdline_p) { - unsigned int cpu = smp_processor_id(); - - if (!cpu && cpu_online(cpu)) - seq_printf(m, "machine\t\t: %s\n", get_system_type()); + enable_mmu(); - seq_printf(m, "processor\t: %d\n", cpu); - seq_printf(m, "cpu family\t: %s\n", system_utsname.machine); - seq_printf(m, "cpu type\t: %s\n", get_cpu_subtype()); + ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV); - show_cpuflags(m); + printk(KERN_NOTICE "Boot params:\n" + "... MOUNT_ROOT_RDONLY - %08lx\n" + "... RAMDISK_FLAGS - %08lx\n" + "... ORIG_ROOT_DEV - %08lx\n" + "... LOADER_TYPE - %08lx\n" + "... INITRD_START - %08lx\n" + "... INITRD_SIZE - %08lx\n", + MOUNT_ROOT_RDONLY, RAMDISK_FLAGS, + ORIG_ROOT_DEV, LOADER_TYPE, + INITRD_START, INITRD_SIZE); - seq_printf(m, "cache type\t: "); +#ifdef CONFIG_BLK_DEV_RAM + rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK; + rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0); + rd_doload = ((RAMDISK_FLAGS & RAMDISK_LOAD_FLAG) != 0); +#endif - /* - * Check for what type of cache we have, we support both the - * 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))) { - seq_printf(m, "unified\n"); - show_cacheinfo(m, "cache", boot_cpu_data.icache); - } else { - seq_printf(m, "split (harvard)\n"); - show_cacheinfo(m, "icache", boot_cpu_data.icache); - show_cacheinfo(m, "dcache", boot_cpu_data.dcache); - } + if (!MOUNT_ROOT_RDONLY) + root_mountflags &= ~MS_RDONLY; + init_mm.start_code = (unsigned long) _text; + init_mm.end_code = (unsigned long) _etext; + init_mm.end_data = (unsigned long) _edata; + init_mm.brk = (unsigned long) _end; - 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); - -#define PRINT_CLOCK(name, value) \ - seq_printf(m, name " clock\t: %d.%02dMHz\n", \ - ((value) / 1000000), ((value) % 1000000)/10000) - - PRINT_CLOCK("cpu", boot_cpu_data.cpu_clock); - PRINT_CLOCK("bus", boot_cpu_data.bus_clock); -#ifdef CONFIG_CPU_SUBTYPE_ST40STB1 - PRINT_CLOCK("memory", boot_cpu_data.memory_clock); + code_resource.start = virt_to_phys(_text); + code_resource.end = virt_to_phys(_etext)-1; + data_resource.start = virt_to_phys(_etext); + data_resource.end = virt_to_phys(_edata)-1; + bss_resource.start = virt_to_phys(__bss_start); + bss_resource.end = virt_to_phys(__bss_stop)-1; + +#ifdef CONFIG_CMDLINE_OVERWRITE + strlcpy(command_line, CONFIG_CMDLINE, sizeof(command_line)); +#else + strlcpy(command_line, COMMAND_LINE, sizeof(command_line)); +#ifdef CONFIG_CMDLINE_EXTEND + strlcat(command_line, " ", sizeof(command_line)); + strlcat(command_line, CONFIG_CMDLINE, sizeof(command_line)); +#endif #endif - PRINT_CLOCK("module", boot_cpu_data.module_clock); - return 0; -} + /* Save unparsed command line copy for /proc/cmdline */ + memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); + *cmdline_p = command_line; + parse_early_param(); -static void *c_start(struct seq_file *m, loff_t *pos) -{ - return *pos < NR_CPUS ? cpu_data + *pos : NULL; -} -static void *c_next(struct seq_file *m, void *v, loff_t *pos) -{ - ++*pos; - return c_start(m, pos); -} -static void c_stop(struct seq_file *m, void *v) -{ -} -struct seq_operations cpuinfo_op = { - .start = c_start, - .next = c_next, - .stop = c_stop, - .show = show_cpuinfo, -}; -#endif /* CONFIG_PROC_FS */ + plat_early_device_setup(); -#ifdef CONFIG_SH_KGDB -/* - * Parse command-line kgdb options. By default KGDB is enabled, - * entered on error (or other action) using default serial info. - * The command-line option can include a serial port specification - * and an action to override default or configured behavior. - */ -struct kgdb_sermap kgdb_sci_sermap = -{ "ttySC", 5, kgdb_sci_setup, NULL }; + sh_mv_setup(); -struct kgdb_sermap *kgdb_serlist = &kgdb_sci_sermap; -struct kgdb_sermap *kgdb_porttype = &kgdb_sci_sermap; + /* Let earlyprintk output early console messages */ + early_platform_driver_probe("earlyprintk", 1, 1); -void kgdb_register_sermap(struct kgdb_sermap *map) -{ - struct kgdb_sermap *last; + paging_init(); - for (last = kgdb_serlist; last->next; last = last->next) - ; - last->next = map; - if (!map->namelen) { - map->namelen = strlen(map->name); - } -} +#ifdef CONFIG_DUMMY_CONSOLE + conswitchp = &dummy_con; +#endif -static int __init kgdb_parse_options(char *options) -{ - char c; - int baud; - - /* Check for port spec (or use default) */ - - /* Determine port type and instance */ - if (!memcmp(options, "tty", 3)) { - struct kgdb_sermap *map = kgdb_serlist; - - while (map && memcmp(options, map->name, map->namelen)) - map = map->next; - - if (!map) { - KGDB_PRINTK("unknown port spec in %s\n", options); - return -1; - } - - kgdb_porttype = map; - kgdb_serial_setup = map->setup_fn; - kgdb_portnum = options[map->namelen] - '0'; - options += map->namelen + 1; - - options = (*options == ',') ? options+1 : options; - - /* Read optional parameters (baud/parity/bits) */ - baud = simple_strtoul(options, &options, 10); - if (baud != 0) { - kgdb_baud = baud; - - c = toupper(*options); - if (c == 'E' || c == 'O' || c == 'N') { - kgdb_parity = c; - options++; - } - - c = *options; - if (c == '7' || c == '8') { - kgdb_bits = c; - options++; - } - options = (*options == ',') ? options+1 : options; - } - } + /* Perform the machine specific initialisation */ + if (likely(sh_mv.mv_setup)) + sh_mv.mv_setup(cmdline_p); - /* Check for action specification */ - if (!memcmp(options, "halt", 4)) { - kgdb_halt = 1; - options += 4; - } else if (!memcmp(options, "disabled", 8)) { - kgdb_enabled = 0; - options += 8; - } + plat_smp_setup(); +} - if (*options) { - KGDB_PRINTK("ignored unknown options: %s\n", options); - return 0; - } - return 1; +/* processor boot mode configuration */ +int generic_mode_pins(void) +{ + pr_warning("generic_mode_pins(): missing mode pin configuration\n"); + return 0; } -__setup("kgdb=", kgdb_parse_options); -#endif /* CONFIG_SH_KGDB */ +int test_mode_pin(int pin) +{ + return sh_mv.mv_mode_pins() & pin; +} |