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-rw-r--r--arch/sparc/kernel/setup.c423
1 files changed, 0 insertions, 423 deletions
diff --git a/arch/sparc/kernel/setup.c b/arch/sparc/kernel/setup.c
deleted file mode 100644
index 24fe307..0000000
--- a/arch/sparc/kernel/setup.c
+++ /dev/null
@@ -1,423 +0,0 @@
-/*
- * linux/arch/sparc/kernel/setup.c
- *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
- * Copyright (C) 2000 Anton Blanchard (anton@samba.org)
- */
-
-#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/slab.h>
-#include <linux/initrd.h>
-#include <asm/smp.h>
-#include <linux/user.h>
-#include <linux/screen_info.h>
-#include <linux/delay.h>
-#include <linux/fs.h>
-#include <linux/seq_file.h>
-#include <linux/syscalls.h>
-#include <linux/kdev_t.h>
-#include <linux/major.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/console.h>
-#include <linux/spinlock.h>
-#include <linux/root_dev.h>
-#include <linux/cpu.h>
-#include <linux/kdebug.h>
-
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/processor.h>
-#include <asm/oplib.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/traps.h>
-#include <asm/vaddrs.h>
-#include <asm/mbus.h>
-#include <asm/idprom.h>
-#include <asm/machines.h>
-#include <asm/cpudata.h>
-#include <asm/setup.h>
-
-struct screen_info screen_info = {
- 0, 0, /* orig-x, orig-y */
- 0, /* unused */
- 0, /* orig-video-page */
- 0, /* orig-video-mode */
- 128, /* orig-video-cols */
- 0,0,0, /* ega_ax, ega_bx, ega_cx */
- 54, /* orig-video-lines */
- 0, /* orig-video-isVGA */
- 16 /* orig-video-points */
-};
-
-/* Typing sync at the prom prompt calls the function pointed to by
- * romvec->pv_synchook which I set to the following function.
- * This should sync all filesystems and return, for now it just
- * prints out pretty messages and returns.
- */
-
-extern unsigned long trapbase;
-
-/* Pretty sick eh? */
-static void prom_sync_me(void)
-{
- unsigned long prom_tbr, flags;
-
- /* XXX Badly broken. FIX! - Anton */
- local_irq_save(flags);
- __asm__ __volatile__("rd %%tbr, %0\n\t" : "=r" (prom_tbr));
- __asm__ __volatile__("wr %0, 0x0, %%tbr\n\t"
- "nop\n\t"
- "nop\n\t"
- "nop\n\t" : : "r" (&trapbase));
-
- prom_printf("PROM SYNC COMMAND...\n");
- show_free_areas();
- if(current->pid != 0) {
- local_irq_enable();
- sys_sync();
- local_irq_disable();
- }
- prom_printf("Returning to prom\n");
-
- __asm__ __volatile__("wr %0, 0x0, %%tbr\n\t"
- "nop\n\t"
- "nop\n\t"
- "nop\n\t" : : "r" (prom_tbr));
- local_irq_restore(flags);
-
- return;
-}
-
-static unsigned int boot_flags __initdata = 0;
-#define BOOTME_DEBUG 0x1
-
-/* Exported for mm/init.c:paging_init. */
-unsigned long cmdline_memory_size __initdata = 0;
-
-static void
-prom_console_write(struct console *con, const char *s, unsigned n)
-{
- prom_write(s, n);
-}
-
-static struct console prom_debug_console = {
- .name = "debug",
- .write = prom_console_write,
- .flags = CON_PRINTBUFFER,
- .index = -1,
-};
-
-/*
- * Process kernel command line switches that are specific to the
- * SPARC or that require special low-level processing.
- */
-static void __init process_switch(char c)
-{
- switch (c) {
- case 'd':
- boot_flags |= BOOTME_DEBUG;
- break;
- case 's':
- break;
- case 'h':
- prom_printf("boot_flags_init: Halt!\n");
- prom_halt();
- break;
- case 'p':
- /* Use PROM debug console. */
- register_console(&prom_debug_console);
- break;
- default:
- printk("Unknown boot switch (-%c)\n", c);
- break;
- }
-}
-
-static void __init boot_flags_init(char *commands)
-{
- while (*commands) {
- /* Move to the start of the next "argument". */
- while (*commands && *commands == ' ')
- commands++;
-
- /* Process any command switches, otherwise skip it. */
- if (*commands == '\0')
- break;
- if (*commands == '-') {
- commands++;
- while (*commands && *commands != ' ')
- process_switch(*commands++);
- continue;
- }
- if (!strncmp(commands, "mem=", 4)) {
- /*
- * "mem=XXX[kKmM] overrides the PROM-reported
- * memory size.
- */
- cmdline_memory_size = simple_strtoul(commands + 4,
- &commands, 0);
- if (*commands == 'K' || *commands == 'k') {
- cmdline_memory_size <<= 10;
- commands++;
- } else if (*commands=='M' || *commands=='m') {
- cmdline_memory_size <<= 20;
- commands++;
- }
- }
- while (*commands && *commands != ' ')
- commands++;
- }
-}
-
-/* This routine will in the future do all the nasty prom stuff
- * to probe for the mmu type and its parameters, etc. This will
- * also be where SMP things happen.
- */
-
-extern void sun4c_probe_vac(void);
-extern char cputypval;
-extern unsigned long start, end;
-
-extern unsigned short root_flags;
-extern unsigned short root_dev;
-extern unsigned short ram_flags;
-#define RAMDISK_IMAGE_START_MASK 0x07FF
-#define RAMDISK_PROMPT_FLAG 0x8000
-#define RAMDISK_LOAD_FLAG 0x4000
-
-extern int root_mountflags;
-
-char reboot_command[COMMAND_LINE_SIZE];
-enum sparc_cpu sparc_cpu_model;
-
-struct tt_entry *sparc_ttable;
-
-struct pt_regs fake_swapper_regs;
-
-void __init setup_arch(char **cmdline_p)
-{
- int i;
- unsigned long highest_paddr;
-
- sparc_ttable = (struct tt_entry *) &start;
-
- /* Initialize PROM console and command line. */
- *cmdline_p = prom_getbootargs();
- strcpy(boot_command_line, *cmdline_p);
- parse_early_param();
-
- /* Set sparc_cpu_model */
- sparc_cpu_model = sun_unknown;
- if (!strcmp(&cputypval,"sun4 "))
- sparc_cpu_model = sun4;
- if (!strcmp(&cputypval,"sun4c"))
- sparc_cpu_model = sun4c;
- if (!strcmp(&cputypval,"sun4m"))
- sparc_cpu_model = sun4m;
- if (!strcmp(&cputypval,"sun4s"))
- sparc_cpu_model = sun4m; /* CP-1200 with PROM 2.30 -E */
- if (!strcmp(&cputypval,"sun4d"))
- sparc_cpu_model = sun4d;
- if (!strcmp(&cputypval,"sun4e"))
- sparc_cpu_model = sun4e;
- if (!strcmp(&cputypval,"sun4u"))
- sparc_cpu_model = sun4u;
-
- printk("ARCH: ");
- switch(sparc_cpu_model) {
- case sun4:
- printk("SUN4\n");
- break;
- case sun4c:
- printk("SUN4C\n");
- break;
- case sun4m:
- printk("SUN4M\n");
- break;
- case sun4d:
- printk("SUN4D\n");
- break;
- case sun4e:
- printk("SUN4E\n");
- break;
- case sun4u:
- printk("SUN4U\n");
- break;
- default:
- printk("UNKNOWN!\n");
- break;
- };
-
-#ifdef CONFIG_DUMMY_CONSOLE
- conswitchp = &dummy_con;
-#elif defined(CONFIG_PROM_CONSOLE)
- conswitchp = &prom_con;
-#endif
- boot_flags_init(*cmdline_p);
-
- idprom_init();
- if (ARCH_SUN4C)
- sun4c_probe_vac();
- load_mmu();
-
- phys_base = 0xffffffffUL;
- highest_paddr = 0UL;
- for (i = 0; sp_banks[i].num_bytes != 0; i++) {
- unsigned long top;
-
- if (sp_banks[i].base_addr < phys_base)
- phys_base = sp_banks[i].base_addr;
- top = sp_banks[i].base_addr +
- sp_banks[i].num_bytes;
- if (highest_paddr < top)
- highest_paddr = top;
- }
- pfn_base = phys_base >> PAGE_SHIFT;
-
- if (!root_flags)
- root_mountflags &= ~MS_RDONLY;
- ROOT_DEV = old_decode_dev(root_dev);
-#ifdef CONFIG_BLK_DEV_RAM
- rd_image_start = ram_flags & RAMDISK_IMAGE_START_MASK;
- rd_prompt = ((ram_flags & RAMDISK_PROMPT_FLAG) != 0);
- rd_doload = ((ram_flags & RAMDISK_LOAD_FLAG) != 0);
-#endif
-
- prom_setsync(prom_sync_me);
-
- if((boot_flags&BOOTME_DEBUG) && (linux_dbvec!=0) &&
- ((*(short *)linux_dbvec) != -1)) {
- printk("Booted under KADB. Syncing trap table.\n");
- (*(linux_dbvec->teach_debugger))();
- }
-
- init_mm.context = (unsigned long) NO_CONTEXT;
- init_task.thread.kregs = &fake_swapper_regs;
-
- paging_init();
-
- smp_setup_cpu_possible_map();
-}
-
-extern char *sparc_cpu_type;
-extern char *sparc_fpu_type;
-
-static int ncpus_probed;
-
-static int show_cpuinfo(struct seq_file *m, void *__unused)
-{
- seq_printf(m,
- "cpu\t\t: %s\n"
- "fpu\t\t: %s\n"
- "promlib\t\t: Version %d Revision %d\n"
- "prom\t\t: %d.%d\n"
- "type\t\t: %s\n"
- "ncpus probed\t: %d\n"
- "ncpus active\t: %d\n"
-#ifndef CONFIG_SMP
- "CPU0Bogo\t: %lu.%02lu\n"
- "CPU0ClkTck\t: %ld\n"
-#endif
- ,
- sparc_cpu_type ? sparc_cpu_type : "undetermined",
- sparc_fpu_type ? sparc_fpu_type : "undetermined",
- romvec->pv_romvers,
- prom_rev,
- romvec->pv_printrev >> 16,
- romvec->pv_printrev & 0xffff,
- &cputypval,
- ncpus_probed,
- num_online_cpus()
-#ifndef CONFIG_SMP
- , cpu_data(0).udelay_val/(500000/HZ),
- (cpu_data(0).udelay_val/(5000/HZ)) % 100,
- cpu_data(0).clock_tick
-#endif
- );
-
-#ifdef CONFIG_SMP
- smp_bogo(m);
-#endif
- mmu_info(m);
-#ifdef CONFIG_SMP
- smp_info(m);
-#endif
- return 0;
-}
-
-static void *c_start(struct seq_file *m, loff_t *pos)
-{
- /* The pointer we are returning is arbitrary,
- * it just has to be non-NULL and not IS_ERR
- * in the success case.
- */
- return *pos == 0 ? &c_start : 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)
-{
-}
-
-const struct seq_operations cpuinfo_op = {
- .start =c_start,
- .next = c_next,
- .stop = c_stop,
- .show = show_cpuinfo,
-};
-
-extern int stop_a_enabled;
-
-void sun_do_break(void)
-{
- if (!stop_a_enabled)
- return;
-
- printk("\n");
- flush_user_windows();
-
- prom_cmdline();
-}
-
-int stop_a_enabled = 1;
-
-static int __init topology_init(void)
-{
- int i, ncpus, err;
-
- /* Count the number of physically present processors in
- * the machine, even on uniprocessor, so that /proc/cpuinfo
- * output is consistent with 2.4.x
- */
- ncpus = 0;
- while (!cpu_find_by_instance(ncpus, NULL, NULL))
- ncpus++;
- ncpus_probed = ncpus;
-
- err = 0;
- for_each_online_cpu(i) {
- struct cpu *p = kzalloc(sizeof(*p), GFP_KERNEL);
- if (!p)
- err = -ENOMEM;
- else
- register_cpu(p, i);
- }
-
- return err;
-}
-
-subsys_initcall(topology_init);
generated by cgit v0.10.2 at 2024-11-03 11:29:16 (GMT)