-/* $Id: setup.c,v 1.126 2001/11/13 00:49:27 davem Exp $
+/*
* linux/arch/sparc/kernel/setup.c
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
#include <linux/initrd.h>
#include <asm/smp.h>
#include <linux/user.h>
-#include <linux/a.out.h>
-#include <linux/tty.h>
+#include <linux/screen_info.h>
#include <linux/delay.h>
-#include <linux/config.h>
#include <linux/fs.h>
#include <linux/seq_file.h>
#include <linux/syscalls.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/pgtable.h>
#include <asm/traps.h>
#include <asm/vaddrs.h>
-#include <asm/kdebug.h>
#include <asm/mbus.h>
#include <asm/idprom.h>
#include <asm/machines.h>
*/
extern unsigned long trapbase;
-void (*prom_palette)(int);
/* Pretty sick eh? */
-void prom_sync_me(void)
+static void prom_sync_me(void)
{
unsigned long prom_tbr, flags;
"nop\n\t"
"nop\n\t" : : "r" (&trapbase));
- if (prom_palette)
- prom_palette(1);
prom_printf("PROM SYNC COMMAND...\n");
show_free_areas();
if(current->pid != 0) {
return;
}
-unsigned int boot_flags __initdata = 0;
+static unsigned int boot_flags __initdata = 0;
#define BOOTME_DEBUG 0x1
-#define BOOTME_SINGLE 0x2
/* Exported for mm/init.c:paging_init. */
unsigned long cmdline_memory_size __initdata = 0;
.index = -1,
};
-int obp_system_intr(void)
-{
- if (boot_flags & BOOTME_DEBUG) {
- printk("OBP: system interrupted\n");
- prom_halt();
- return 1;
- }
- return 0;
-}
-
/*
* Process kernel command line switches that are specific to the
* SPARC or that require special low-level processing.
boot_flags |= BOOTME_DEBUG;
break;
case 's':
- boot_flags |= BOOTME_SINGLE;
break;
case 'h':
prom_printf("boot_flags_init: Halt!\n");
}
}
-static void __init process_console(char *commands)
-{
- serial_console = 0;
- commands += 8;
- /* Linux-style serial */
- if (!strncmp(commands, "ttyS", 4))
- serial_console = simple_strtoul(commands + 4, NULL, 10) + 1;
- else if (!strncmp(commands, "tty", 3)) {
- char c = *(commands + 3);
- /* Solaris-style serial */
- if (c == 'a' || c == 'b')
- serial_console = c - 'a' + 1;
- /* else Linux-style fbcon, not serial */
- }
-#if defined(CONFIG_PROM_CONSOLE)
- if (!strncmp(commands, "prom", 4)) {
- char *p;
-
- for (p = commands - 8; *p && *p != ' '; p++)
- *p = ' ';
- conswitchp = &prom_con;
- }
-#endif
-}
-
static void __init boot_flags_init(char *commands)
{
while (*commands) {
process_switch(*commands++);
continue;
}
- if (!strncmp(commands, "console=", 8)) {
- process_console(commands);
- } else if (!strncmp(commands, "mem=", 4)) {
+ if (!strncmp(commands, "mem=", 4)) {
/*
* "mem=XXX[kKmM] overrides the PROM-reported
* memory size.
/* 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 plus the Sparc specific memory
- * physical memory probe as on the alpha.
+ * also be where SMP things happen.
*/
-extern int prom_probe_memory(void);
extern void sun4c_probe_vac(void);
extern char cputypval;
extern unsigned long start, end;
-extern void panic_setup(char *, int *);
extern unsigned short root_flags;
extern unsigned short root_dev;
/* Initialize PROM console and command line. */
*cmdline_p = prom_getbootargs();
- strcpy(saved_command_line, *cmdline_p);
+ strcpy(boot_command_line, *cmdline_p);
/* Set sparc_cpu_model */
sparc_cpu_model = sun_unknown;
if(!strcmp(&cputypval,"sun4e")) { sparc_cpu_model=sun4e; }
if(!strcmp(&cputypval,"sun4u")) { sparc_cpu_model=sun4u; }
-#ifdef CONFIG_SUN4
- if (sparc_cpu_model != sun4) {
- prom_printf("This kernel is for Sun4 architecture only.\n");
- prom_halt();
- }
-#endif
printk("ARCH: ");
switch(sparc_cpu_model) {
case sun4:
boot_flags_init(*cmdline_p);
idprom_init();
- if (ARCH_SUN4C_SUN4)
+ if (ARCH_SUN4C)
sun4c_probe_vac();
load_mmu();
- (void) prom_probe_memory();
phys_base = 0xffffffffUL;
highest_paddr = 0UL;
if (!root_flags)
root_mountflags &= ~MS_RDONLY;
ROOT_DEV = old_decode_dev(root_dev);
-#ifdef CONFIG_BLK_DEV_INITRD
+#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);
init_mm.context = (unsigned long) NO_CONTEXT;
init_task.thread.kregs = &fake_swapper_regs;
- smp_setup_cpu_possible_map();
-
paging_init();
-}
-
-static int __init set_preferred_console(void)
-{
- int idev, odev;
-
- /* The user has requested a console so this is already set up. */
- if (serial_console >= 0)
- return -EBUSY;
-
- idev = prom_query_input_device();
- odev = prom_query_output_device();
- if (idev == PROMDEV_IKBD && odev == PROMDEV_OSCREEN) {
- serial_console = 0;
- } else if (idev == PROMDEV_ITTYA && odev == PROMDEV_OTTYA) {
- serial_console = 1;
- } else if (idev == PROMDEV_ITTYB && odev == PROMDEV_OTTYB) {
- serial_console = 2;
- } else if (idev == PROMDEV_I_UNK && odev == PROMDEV_OTTYA) {
- prom_printf("MrCoffee ttya\n");
- serial_console = 1;
- } else if (idev == PROMDEV_I_UNK && odev == PROMDEV_OSCREEN) {
- serial_console = 0;
- prom_printf("MrCoffee keyboard\n");
- } else {
- prom_printf("Confusing console (idev %d, odev %d)\n",
- idev, odev);
- serial_console = 1;
- }
-
- if (serial_console)
- return add_preferred_console("ttyS", serial_console - 1, NULL);
- return -ENODEV;
+ smp_setup_cpu_possible_map();
}
-console_initcall(set_preferred_console);
extern char *sparc_cpu_type;
extern char *sparc_fpu_type;
{
}
-struct seq_operations cpuinfo_op = {
+const struct seq_operations cpuinfo_op = {
.start =c_start,
.next = c_next,
.stop = c_stop,
prom_cmdline();
}
-int serial_console = -1;
int stop_a_enabled = 1;
static int __init topology_init(void)
if (!p)
err = -ENOMEM;
else
- register_cpu(p, i, NULL);
+ register_cpu(p, i);
}
return err;