patch-2.2.18 linux/arch/arm/kernel/setup.c
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- Lines: 871
- Date:
Mon Oct 2 10:11:32 2000
- Orig file:
v2.2.17/arch/arm/kernel/setup.c
- Orig date:
Fri Apr 21 12:45:45 2000
diff -u --new-file --recursive --exclude-from /usr/src/exclude v2.2.17/arch/arm/kernel/setup.c linux/arch/arm/kernel/setup.c
@@ -1,68 +1,73 @@
/*
* linux/arch/arm/kernel/setup.c
*
- * Copyright (C) 1995-1998 Russell King
+ * Copyright (C) 1995-1999 Russell King
*/
-
-/*
- * This file obtains various parameters about the system that the kernel
- * is running on.
- */
-
#include <linux/config.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/stddef.h>
-#include <linux/unistd.h>
-#include <linux/ptrace.h>
-#include <linux/malloc.h>
-#include <linux/user.h>
-#include <linux/a.out.h>
#include <linux/tty.h>
#include <linux/ioport.h>
#include <linux/delay.h>
-#include <linux/major.h>
#include <linux/utsname.h>
#include <linux/blk.h>
-#include <linux/init.h>
#include <linux/console.h>
+#include <linux/init.h>
#include <asm/elf.h>
#include <asm/hardware.h>
#include <asm/io.h>
-#include <asm/pgtable.h>
#include <asm/procinfo.h>
-#include <asm/segment.h>
#include <asm/setup.h>
#include <asm/system.h>
-/* Work out which CPUs to support */
-#ifdef CONFIG_ARCH_ACORN
-#define SUPPORT_CPU_ARM6
-#define SUPPORT_CPU_ARM7
-#define SUPPORT_CPU_SA110
-#else
-#define SUPPORT_CPU_SA110
-#endif
-#ifdef CONFIG_CPU_ARM6
-#define SUPPORT_CPU_ARM6
-#endif
-#ifdef CONFIG_CPU_ARM7
-#define SUPPORT_CPU_ARM7
-#endif
-#ifdef CONFIG_CPU_SA110
-#define SUPPORT_CPU_SA110
+#ifndef MEM_SIZE
+#define MEM_SIZE (16*1024*1024)
#endif
#ifndef CONFIG_CMDLINE
-#define CONFIG_CMDLINE "root=/dev/nfs rw"
+#define CONFIG_CMDLINE ""
#endif
-#define MEM_SIZE (16*1024*1024)
-#define COMMAND_LINE_SIZE 256
+
+extern void reboot_setup(char *str, int *ints);
+extern void disable_hlt(void);
+extern int root_mountflags;
+extern int _stext, _text, _etext, _edata, _end;
+
+unsigned int processor_id;
+unsigned int __machine_arch_type;
+unsigned int vram_size;
+unsigned int system_rev;
+unsigned int system_serial_low;
+unsigned int system_serial_high;
+unsigned int elf_hwcap;
+
+#ifdef CONFIG_ARCH_ACORN
+unsigned int memc_ctrl_reg;
+unsigned int number_mfm_drives;
+#endif
+
+static unsigned long mem_end;
+
+struct machine_desc {
+ const char *name; /* architecture name */
+ unsigned int param_offset; /* parameter page */
+ unsigned int video_start; /* start of video RAM */
+ unsigned int video_end; /* end of video RAM */
+ unsigned int reserve_lp0 :1; /* never has lp0 */
+ unsigned int reserve_lp1 :1; /* never has lp1 */
+ unsigned int reserve_lp2 :1; /* never has lp2 */
+ unsigned int broken_hlt :1; /* hlt is broken */
+ unsigned int soft_reboot :1; /* soft reboot */
+ void (*fixup)(struct machine_desc *,
+ struct param_struct *, char **);
+};
+
+struct processor processor;
struct drive_info_struct { char dummy[32]; } drive_info;
+
struct screen_info screen_info = {
orig_video_lines: 30,
orig_video_cols: 80,
@@ -71,312 +76,429 @@
orig_video_isVGA: 1,
orig_video_points: 8
};
-struct processor processor;
+
unsigned char aux_device_present;
+char elf_platform[ELF_PLATFORM_SIZE];
+char saved_command_line[COMMAND_LINE_SIZE];
-extern const struct processor arm2_processor_functions;
-extern const struct processor arm250_processor_functions;
-extern const struct processor arm3_processor_functions;
-extern const struct processor arm6_processor_functions;
-extern const struct processor arm7_processor_functions;
-extern const struct processor sa110_processor_functions;
+static struct proc_info_item proc_info;
+static const char *machine_name;
+static char command_line[COMMAND_LINE_SIZE] = { 0, };
-char elf_platform[ELF_PLATFORM_SIZE];
+static char default_command_line[COMMAND_LINE_SIZE] __initdata = CONFIG_CMDLINE;
+static union { char c[4]; unsigned long l; } endian_test __initdata = { { 'l', '?', '?', 'b' } };
+#define ENDIANNESS ((char)endian_test.l)
-const struct armversions armidlist[] = {
- /*-- Match -- --- Mask -- -- Manu -- Processor uname -m --- ELF STUFF ---
- --- processor asm funcs --- */
-#if defined(CONFIG_CPU_26)
- { 0x41560200, 0xfffffff0, "ARM/VLSI", "arm2" , "armv1" , "v1", 0,
- &arm2_processor_functions },
- { 0x41560250, 0xfffffff0, "ARM/VLSI", "arm250" , "armv2" , "v2", HWCAP_SWP,
- &arm250_processor_functions },
- { 0x41560300, 0xfffffff0, "ARM/VLSI", "arm3" , "armv2" , "v2", HWCAP_SWP,
- &arm3_processor_functions },
-#elif defined(CONFIG_CPU_32)
-#ifdef SUPPORT_CPU_ARM6
- { 0x41560600, 0xfffffff0, "ARM/VLSI", "arm6" , "armv3" , "v3", HWCAP_SWP,
- &arm6_processor_functions },
- { 0x41560610, 0xfffffff0, "ARM/VLSI", "arm610" , "armv3" , "v3", HWCAP_SWP,
- &arm6_processor_functions },
-#endif
-#ifdef SUPPORT_CPU_ARM7
- { 0x41007000, 0xffffff00, "ARM/VLSI", "arm7" , "armv3" , "v3", HWCAP_SWP,
- &arm7_processor_functions },
- /* ARM710 IDs are non-standard */
- { 0x41007100, 0xfff8ff00, "ARM/VLSI", "arm710" , "armv3" , "v3", HWCAP_SWP,
- &arm7_processor_functions },
-#endif
-#ifdef SUPPORT_CPU_SA110
- { 0x4401a100, 0xfffffff0, "DEC", "sa110" , "armv4" , "v3", HWCAP_SWP|HWCAP_HALF,
- &sa110_processor_functions },
-#endif
-#endif
- { 0x00000000, 0x00000000, "***", "unknown", "unknown", "**", 0, NULL }
-};
+static void __init setup_processor(void)
+{
+ extern struct proc_info_list __proc_info_begin, __proc_info_end;
+ struct proc_info_list *list;
-/*
- * From head-armv.S
- */
-unsigned int processor_id;
-unsigned int machine_type;
-int armidindex;
+ /*
+ * locate processor in the list of supported processor
+ * types. The linker builds this table for us from the
+ * entries in arch/arm/mm/proc-*.S
+ */
+ for (list = &__proc_info_begin; list < &__proc_info_end ; list++)
+ if ((processor_id & list->cpu_mask) == list->cpu_val)
+ break;
-extern int root_mountflags;
-extern int _etext, _edata, _end;
+ /*
+ * If processor type is unrecognised, then we
+ * can do nothing...
+ */
+ if (list >= &__proc_info_end) {
+ printk("CPU configuration botched (ID %08x), unable "
+ "to continue.\n", processor_id);
+ while (1);
+ }
-/*-------------------------------------------------------------------------
- * Early initialisation routines for various configurable items in the
- * kernel. Each one either supplies a setup_ function, or defines this
- * symbol to be empty if not configured.
- */
+ proc_info = *list->info;
-/*
- * Risc-PC specific initialisation
- */
-#ifdef CONFIG_ARCH_RPC
+ processor = *list->proc;
-#include <asm/arch/mmu.h>
+ printk("Processor: %s %s revision %d\n",
+ proc_info.manufacturer, proc_info.cpu_name,
+ (int)processor_id & 15);
-unsigned int vram_half_sam;
+ sprintf(system_utsname.machine, "%s%c", list->arch_name, ENDIANNESS);
+ sprintf(elf_platform, "%s%c", list->elf_name, ENDIANNESS);
+ elf_hwcap = list->elf_hwcap;
-static void
-setup_rpc(struct param_struct *params)
-{
- extern void init_dram_banks(const struct param_struct *params);
+ processor._proc_init();
+}
- init_dram_banks(params);
+static unsigned long __init memparse(char *ptr, char **retptr)
+{
+ unsigned long ret = simple_strtoul(ptr, retptr, 0);
- switch (params->u1.s.pages_in_vram) {
- case 256:
- vram_half_sam = 1024;
- break;
- case 512:
+ switch (**retptr) {
+ case 'M':
+ case 'm':
+ ret <<= 10;
+ case 'K':
+ case 'k':
+ ret <<= 10;
+ (*retptr)++;
default:
- vram_half_sam = 2048;
+ break;
}
+ return ret;
}
-#else
-#define setup_rpc(x)
-#endif
-
-#ifdef PARAMS_BASE
-
-#ifdef CONFIG_ARCH_ACORN
-int memc_ctrl_reg;
-int number_ide_drives;
-int number_mfm_drives;
-#endif
-static struct param_struct *params = (struct param_struct *)PARAMS_BASE;
-
-__initfunc(static char *
-setup_params(unsigned long *mem_end_p))
+/*
+ * Initial parsing of the command line. We need to pick out the
+ * memory size. We look for mem=size, where size is "size[KkMm]"
+ */
+static void __init
+parse_cmdline(char **cmdline_p, char *from)
{
- ROOT_DEV = to_kdev_t(params->u1.s.rootdev);
- ORIG_X = params->u1.s.video_x;
- ORIG_Y = params->u1.s.video_y;
- ORIG_VIDEO_COLS = params->u1.s.video_num_cols;
- ORIG_VIDEO_LINES = params->u1.s.video_num_rows;
+ char c = ' ', *to = command_line;
+ int usermem = 0, len = 0;
-#ifdef CONFIG_ARCH_ACORN
-#ifndef CONFIG_FB
- {
- extern int bytes_per_char_h;
- extern int bytes_per_char_v;
-
- bytes_per_char_h = params->u1.s.bytes_per_char_h;
- bytes_per_char_v = params->u1.s.bytes_per_char_v;
- }
-#endif
- memc_ctrl_reg = params->u1.s.memc_control_reg;
- number_ide_drives = (params->u1.s.adfsdrives >> 6) & 3;
- number_mfm_drives = (params->u1.s.adfsdrives >> 3) & 3;
+ for (;;) {
+ if (c == ' ' && !memcmp(from, "mem=", 4)) {
+ unsigned long size, start;
- setup_rpc(params);
+ if (to != command_line)
+ to -= 1;
- if (!(params->u1.s.flags & FLAG_READONLY))
- root_mountflags &= ~MS_RDONLY;
-#endif
-#ifdef CONFIG_BLK_DEV_RAM
- {
- extern int rd_doload;
- extern int rd_prompt;
- extern int rd_image_start;
-
- rd_image_start = params->u1.s.rd_start;
- rd_prompt = (params->u1.s.flags & FLAG_RDPROMPT) == 0;
- rd_doload = (params->u1.s.flags & FLAG_RDLOAD) == 0;
+ start = PAGE_OFFSET;
+ size = memparse(from + 4, &from);
+ if (*from == '@')
+ memparse(from + 1, &from);
+
+ if (usermem == 0) {
+ usermem = 1;
+ mem_end = start + size;
+ }
+ }
+ c = *from++;
+ if (!c)
+ break;
+ if (COMMAND_LINE_SIZE <= ++len)
+ break;
+ *to++ = c;
}
-#endif
-
-#ifdef CONFIG_ARCH_ACORN
- *mem_end_p = GET_MEMORY_END(params);
-#elif defined(CONFIG_ARCH_EBSA285)
- *mem_end_p = PAGE_OFFSET + params->u1.s.page_size * params->u1.s.nr_pages;
-#else
- *mem_end_p = PAGE_OFFSET + MEM_SIZE;
-#endif
+ *to = '\0';
+ *cmdline_p = command_line;
- return params->commandline;
+ /* remove trailing spaces */
+ while (*--to == ' ' && to != command_line)
+ *to = '\0';
}
-#else
-
-static char default_command_line[] __initdata = CONFIG_CMDLINE;
-
-__initfunc(static char *
-setup_params(unsigned long *mem_end_p))
+static void __init
+setup_ramdisk(int doload, int prompt, int image_start, unsigned int rd_sz)
{
- ROOT_DEV = 0x00ff;
-
#ifdef CONFIG_BLK_DEV_RAM
- {
- extern int rd_doload;
- extern int rd_prompt;
- extern int rd_image_start;
-
- rd_image_start = 0;
- rd_prompt = 1;
- rd_doload = 1;
- }
-#endif
+ extern int rd_doload, rd_prompt, rd_image_start, rd_size;
- *mem_end_p = PAGE_OFFSET + MEM_SIZE;
+ rd_image_start = image_start;
+ rd_prompt = prompt;
+ rd_doload = doload;
- return default_command_line;
-}
+ if (rd_sz)
+ rd_size = rd_sz;
#endif
+}
/*
* initial ram disk
*/
-#ifdef CONFIG_BLK_DEV_INITRD
-__initfunc(static void
-setup_initrd(const struct param_struct *params))
+static void __init setup_initrd(unsigned int start, unsigned int size)
{
- if (params->u1.s.initrd_start) {
- initrd_start = params->u1.s.initrd_start;
- initrd_end = initrd_start + params->u1.s.initrd_size;
- } else {
- initrd_start = 0;
- initrd_end = 0;
- }
+#ifdef CONFIG_BLK_DEV_INITRD
+ if (start == 0)
+ size = 0;
+ initrd_start = start;
+ initrd_end = start + size;
+#endif
}
-__initfunc(static void
-check_initrd(unsigned long mem_start, unsigned long mem_end))
+/*
+ * Initialise memory.
+ */
+static void __init setup_bootmem(void)
{
+ unsigned long mem_start;
+
+ mem_start = (unsigned long)&_end;
+
+#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_end > mem_end) {
printk ("initrd extends beyond end of memory "
"(0x%08lx > 0x%08lx) - disabling initrd\n",
initrd_end, mem_end);
initrd_start = 0;
}
+#endif
}
-#else
-#define setup_initrd(p)
-#define check_initrd(ms,me)
+/*
+ * 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.
+ */
+static void __init
+fixup_acorn(struct machine_desc *desc, struct param_struct *params,
+ char **cmdline)
+{
+#ifdef CONFIG_ARCH_ACORN
+ if (machine_is_riscpc()) {
+ /*
+ * RiscPC can't handle half-word loads and stores
+ */
+ elf_hwcap &= ~HWCAP_HALF;
+
+ switch (params->u1.s.pages_in_vram) {
+ case 512:
+ vram_size += PAGE_SIZE * 256;
+ case 256:
+ vram_size += PAGE_SIZE * 256;
+ default:
+ break;
+ }
+ }
+ memc_ctrl_reg = params->u1.s.memc_control_reg;
+ number_mfm_drives = (params->u1.s.adfsdrives >> 3) & 3;
#endif
+}
-__initfunc(void
-setup_processor(void))
+static void __init
+fixup_ebsa285(struct machine_desc *desc, struct param_struct *params,
+ char **cmdline)
{
- armidindex = 0;
-
- while ((armidlist[armidindex].id ^ processor_id) &
- armidlist[armidindex].mask)
- armidindex += 1;
-
- if (armidlist[armidindex].id == 0) {
-#ifdef CONFIG_ARCH_ACORN
- int i;
+ ORIG_X = params->u1.s.video_x;
+ ORIG_Y = params->u1.s.video_y;
+ ORIG_VIDEO_COLS = params->u1.s.video_num_cols;
+ ORIG_VIDEO_LINES = params->u1.s.video_num_rows;
+}
- for (i = 0; i < 3200; i++)
- ((unsigned long *)SCREEN2_BASE)[i] = 0x77113322;
-#endif
- while (1);
+/*
+ * Older NeTTroms either do not provide a parameters
+ * page, or they don't supply correct information in
+ * the parameter page.
+ */
+static void __init
+fixup_netwinder(struct machine_desc *desc, struct param_struct *params,
+ char **cmdline)
+{
+ if (params->u1.s.nr_pages != 0x02000 &&
+ params->u1.s.nr_pages != 0x04000 &&
+ params->u1.s.nr_pages != 0x08000 &&
+ params->u1.s.nr_pages != 0x10000) {
+ printk(KERN_WARNING "Warning: bad NeTTrom parameters "
+ "detected, using defaults\n");
+
+ params->u1.s.nr_pages = 0x2000; /* 32MB */
+ params->u1.s.ramdisk_size = 0;
+ params->u1.s.flags = FLAG_READONLY;
+ params->u1.s.initrd_start = 0;
+ params->u1.s.initrd_size = 0;
+ params->u1.s.rd_start = 0;
}
+}
- processor = *armidlist[armidindex].proc;
- processor._proc_init();
+/*
+ * CATS uses soft-reboot by default, since
+ * hard reboots fail on early boards.
+ */
+static void __init
+fixup_cats(struct machine_desc *desc, struct param_struct *params,
+ char **cmdline)
+{
+ ORIG_VIDEO_LINES = 25;
+ ORIG_VIDEO_POINTS = 16;
+ ORIG_Y = 24;
}
-static char command_line[COMMAND_LINE_SIZE] = { 0, };
- char saved_command_line[COMMAND_LINE_SIZE];
+#define NO_PARAMS 0
+#define NO_VIDEO 0, 0
-__initfunc(static void
-setup_mem(char *cmd_line, unsigned long *mem_start, unsigned long *mem_end))
+/*
+ * 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[] __initdata = {
+ { "EBSA110", /* RMK */
+ 0x00000400,
+ NO_VIDEO,
+ 1, 0, 1, 1, 1,
+ NULL
+ }, { "Acorn-RiscPC", /* RMK */
+ 0x10000100,
+ NO_VIDEO,
+ 1, 1, 0, 0, 0,
+ fixup_acorn
+ }, { "unknown",
+ NO_PARAMS,
+ NO_VIDEO,
+ 0, 0, 0, 0, 0,
+ NULL
+ }, { "FTV/PCI", /* Philip Blundell */
+ NO_PARAMS,
+ NO_VIDEO,
+ 0, 0, 0, 0, 0,
+ NULL
+ }, { "EBSA285", /* RMK */
+ 0x00000100,
+ 0x000a0000, 0x000bffff,
+ 0, 0, 0, 0, 0,
+ fixup_ebsa285
+ }, { "Rebel-NetWinder", /* RMK */
+ 0x00000100,
+ 0x000a0000, 0x000bffff,
+ 1, 0, 1, 0, 0,
+ fixup_netwinder
+ }, { "Chalice-CATS", /* Philip Blundell */
+ NO_PARAMS,
+ 0x000a0000, 0x000bffff,
+ 0, 0, 0, 0, 1,
+ fixup_cats
+ }, { "unknown-TBOX", /* Philip Blundell */
+ NO_PARAMS,
+ NO_VIDEO,
+ 0, 0, 0, 0, 0,
+ NULL
+ }, { "co-EBSA285", /* Mark van Doesburg */
+ NO_PARAMS,
+ NO_VIDEO,
+ 0, 0, 0, 0, 0,
+ NULL
+ }, { "CL-PS7110", /* Werner Almesberger */
+ NO_PARAMS,
+ NO_VIDEO,
+ 0, 0, 0, 0, 0,
+ NULL
+ }, { "Acorn-Archimedes",/* RMK/DAG */
+ 0x0207c000,
+ NO_VIDEO,
+ 0, 0, 0, 0, 0,
+ fixup_acorn
+ }, { "Acorn-A5000", /* RMK/PB */
+ 0x0207c000,
+ NO_VIDEO,
+ 0, 0, 0, 0, 0,
+ fixup_acorn
+ }, { "Etoile", /* Alex de Vries */
+ NO_PARAMS,
+ NO_VIDEO,
+ 0, 0, 0, 0, 0,
+ NULL
+ }, { "LaCie_NAS", /* Benjamin Herrenschmidt */
+ NO_PARAMS,
+ NO_VIDEO,
+ 0, 0, 0, 0, 0,
+ NULL
+ }, { "CL-PS7500", /* Philip Blundell */
+ NO_PARAMS,
+ NO_VIDEO,
+ 0, 0, 0, 0, 0,
+ NULL
+ }, { "Shark", /* Alexander Schulz */
+ NO_PARAMS,
+ /* do you really mean 0x200000? */
+ 0x06000000, 0x06000000+0x00200000,
+ 0, 0, 0, 0, 0,
+ NULL
+ }, { "SA1100-based", /* Nicolas Pitre */
+ NO_PARAMS,
+ NO_VIDEO,
+ 0, 0, 0, 0, 0,
+ NULL
+ }
+};
+
+void __init
+setup_arch(char **cmdline_p, unsigned long * memory_start_p, unsigned long * memory_end_p)
{
- char c, *to = command_line;
- int len = 0;
+ struct param_struct *params = NULL;
+ struct machine_desc *mdesc;
+ char *from = default_command_line;
- *mem_start = (unsigned long)&_end;
+#if defined(CONFIG_ARCH_ARC)
+ __machine_arch_type = MACH_TYPE_ARCHIMEDES;
+#elif defined(CONFIG_ARCH_A5K)
+ __machine_arch_type = MACH_TYPE_A5K;
+#endif
- for (;;) {
- if (cmd_line[0] == ' ' &&
- cmd_line[1] == 'm' &&
- cmd_line[2] == 'e' &&
- cmd_line[3] == 'm' &&
- cmd_line[4] == '=') {
- *mem_end = simple_strtoul(cmd_line+5, &cmd_line, 0);
- switch(*cmd_line) {
- case 'M':
- case 'm':
- *mem_end <<= 10;
- case 'K':
- case 'k':
- *mem_end <<= 10;
- cmd_line++;
- }
- *mem_end = *mem_end + PAGE_OFFSET;
- }
- c = *cmd_line++;
- if (!c)
- break;
- if (COMMAND_LINE_SIZE <= ++len)
- break;
- *to++ = c;
+ setup_processor();
+
+ ROOT_DEV = MKDEV(0, 255);
+
+ mdesc = machine_desc + machine_arch_type;
+ machine_name = mdesc->name;
+
+ if (mdesc->broken_hlt)
+ disable_hlt();
+
+ if (mdesc->soft_reboot)
+ reboot_setup("s", NULL);
+
+ if (mdesc->param_offset)
+ params = phys_to_virt(mdesc->param_offset);
+
+ if (mdesc->fixup)
+ mdesc->fixup(mdesc, params, &from);
+
+ if (params && params->u1.s.page_size != PAGE_SIZE) {
+ printk(KERN_WARNING "Warning: bad configuration page, "
+ "trying to continue\n");
+ params = NULL;
}
- *to = '\0';
-}
+ if (params) {
+ mem_end = params->u1.s.page_size *
+ params->u1.s.nr_pages;
+
+ ROOT_DEV = to_kdev_t(params->u1.s.rootdev);
+ system_rev = params->u1.s.system_rev;
+ system_serial_low = params->u1.s.system_serial_low;
+ system_serial_high = params->u1.s.system_serial_high;
+
+ setup_ramdisk((params->u1.s.flags & FLAG_RDLOAD) == 0,
+ (params->u1.s.flags & FLAG_RDPROMPT) == 0,
+ params->u1.s.rd_start,
+ params->u1.s.ramdisk_size);
-__initfunc(void
-setup_arch(char **cmdline_p, unsigned long * memory_start_p, unsigned long * memory_end_p))
-{
- static unsigned char smptrap;
- unsigned long memory_end;
- char endian = 'l';
- char *from;
-
- if (smptrap == 1)
- return;
- smptrap = 1;
+ setup_initrd(params->u1.s.initrd_start,
+ params->u1.s.initrd_size);
- setup_processor();
+ if (!(params->u1.s.flags & FLAG_READONLY))
+ root_mountflags &= ~MS_RDONLY;
+
+#ifdef CONFIG_ARCH_RPC
+ {
+ extern void init_dram_banks(struct param_struct *);
+ init_dram_banks(params);
+ }
+#endif
+ mem_end -= vram_size;
- from = setup_params(&memory_end);
- setup_initrd(params);
+ from = params->commandline;
+ }
- /* Save unparsed command line copy for /proc/cmdline */
- memcpy(saved_command_line, from, COMMAND_LINE_SIZE);
- saved_command_line[COMMAND_LINE_SIZE-1] = '\0';
+ if (!mem_end)
+ mem_end = MEM_SIZE;
- setup_mem(from, memory_start_p, &memory_end);
- check_initrd(*memory_start_p, memory_end);
+ mem_end += PAGE_OFFSET;
- init_task.mm->start_code = TASK_SIZE;
- init_task.mm->end_code = TASK_SIZE + (unsigned long) &_etext;
- init_task.mm->end_data = TASK_SIZE + (unsigned long) &_edata;
- init_task.mm->brk = TASK_SIZE + (unsigned long) &_end;
+ init_task.mm->start_code = (unsigned long) &_text;
+ init_task.mm->end_code = (unsigned long) &_etext;
+ init_task.mm->end_data = (unsigned long) &_edata;
+ init_task.mm->brk = (unsigned long) &_end;
- *cmdline_p = command_line;
- *memory_end_p = memory_end;
+ memcpy(saved_command_line, from, COMMAND_LINE_SIZE);
+ saved_command_line[COMMAND_LINE_SIZE-1] = '\0';
+ parse_cmdline(cmdline_p, from);
+ setup_bootmem();
- sprintf(system_utsname.machine, "%s%c", armidlist[armidindex].arch_vsn, endian);
- sprintf(elf_platform, "%s%c", armidlist[armidindex].elf_vsn, endian);
+#ifdef CONFIG_NWFPE
+ fpe_init();
+#endif
#ifdef CONFIG_VT
#if defined(CONFIG_VGA_CONSOLE)
@@ -385,69 +507,32 @@
conswitchp = &dummy_con;
#endif
#endif
+
+ *cmdline_p = command_line;
+ *memory_start_p = (unsigned long)&_end;
+ *memory_end_p = mem_end;
}
-static const struct {
- char *machine_name;
- char *bus_name;
-} machine_desc[] = {
- { "DEC-EBSA110", "DEC" },
- { "Acorn-RiscPC", "Acorn" },
- { "Nexus-NexusPCI", "PCI" },
- { "DEC-EBSA285", "PCI" },
- { "Corel-Netwinder", "PCI/ISA" },
- { "Chalice-CATS", "PCI" },
- { "unknown-TBOX", "PCI" }
-};
+int get_cpuinfo(char * buffer)
+{
+ char *p = buffer;
-#if defined(CONFIG_ARCH_ARC)
-#define HARDWARE "Acorn-Archimedes"
-#define IO_BUS "Acorn"
-#elif defined(CONFIG_ARCH_A5K)
-#define HARDWARE "Acorn-A5000"
-#define IO_BUS "Acorn"
-#endif
+ p += sprintf(p, "Processor\t: %s %s rev %d (%s)\n",
+ proc_info.manufacturer, proc_info.cpu_name,
+ (int)processor_id & 15, elf_platform);
-#if defined(CONFIG_CPU_ARM2)
-#define OPTIMISATION "ARM2"
-#elif defined(CONFIG_CPU_ARM3)
-#define OPTIMISATION "ARM3"
-#elif defined(CONFIG_CPU_ARM6)
-#define OPTIMISATION "ARM6"
-#elif defined(CONFIG_CPU_ARM7)
-#define OPTIMISATION "ARM7"
-#elif defined(CONFIG_CPU_SA110)
-#define OPTIMISATION "StrongARM"
-#else
-#define OPTIMISATION "unknown"
-#endif
+ p += sprintf(p, "BogoMIPS\t: %lu.%02lu\n",
+ (loops_per_jiffy+2500) / (500000/HZ),
+ ((loops_per_jiffy+2500) / (5000/HZ)) % 100);
-int get_cpuinfo(char * buffer)
-{
- int len;
+ p += sprintf(p, "Hardware\t: %s\n", machine_name);
- len = sprintf(buffer,
- "Processor\t: %s %s rev %d\n"
- "BogoMips\t: %lu.%02lu\n"
- "Hardware\t: %s\n"
- "Optimisation\t: %s\n"
- "IO Bus\t\t: %s\n",
- armidlist[armidindex].manu,
- armidlist[armidindex].name,
- (int)processor_id & 15,
- (loops_per_sec+2500) / 500000,
- ((loops_per_sec+2500) / 5000) % 100,
-#ifdef HARDWARE
- HARDWARE,
-#else
- machine_desc[machine_type].machine_name,
-#endif
- OPTIMISATION,
-#ifdef IO_BUS
- IO_BUS
-#else
- machine_desc[machine_type].bus_name
-#endif
- );
- return len;
+ p += sprintf(p, "Revision\t: %04x\n",
+ system_rev);
+
+ p += sprintf(p, "Serial\t\t: %08x%08x\n",
+ system_serial_high,
+ system_serial_low);
+
+ return p - buffer;
}
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)