* Copyright (C) 2003 PMC-Sierra Inc.
* Author: Manish Lachwani (lachwani@pmc-sierra.com)
*/
-
+#include <linux/init.h>
#include <linux/sched.h>
#include <linux/mm.h>
+#include <linux/delay.h>
+#include <linux/smp.h>
+
#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
#include <asm/reboot.h>
#include <asm/system.h>
-#include <linux/delay.h>
-#include <linux/smp.h>
#include <asm/bootinfo.h>
+#include <asm/pmon.h>
#include "setup.h"
-/* Call Vectors */
-struct callvectors {
- int (*open) (char*, int, int);
- int (*close) (int);
- int (*read) (int, void*, int);
- int (*write) (int, void*, int);
- off_t (*lseek) (int, off_t, int);
- int (*printf) (const char*, ...);
- void (*cacheflush) (void);
- char* (*gets) (char*);
-};
-
-struct callvectors* debug_vectors;
+struct callvectors *debug_vectors;
extern unsigned long yosemite_base;
extern unsigned long cpu_clock;
-unsigned char titan_ge_mac_addr_base[6];
const char *get_system_type(void)
{
- return "PMC-Sierra Yosemite";
+ return "PMC-Sierra Yosemite";
}
-static void prom_cpu0_exit(void)
+static void prom_cpu0_exit(void *arg)
{
- void *nvram = YOSEMITE_NVRAM_BASE_ADDR;
-
+ void *nvram = (void *) YOSEMITE_NVRAM_BASE_ADDR;
+
/* Ask the NVRAM/RTC/watchdog chip to assert reset in 1/16 second */
- writeb(0x84, nvram + 0xff7);
+ writeb(0x84, nvram + 0xff7);
- /* wait for the watchdog to go off */
- mdelay(100+(1000/16));
+ /* wait for the watchdog to go off */
+ mdelay(100 + (1000 / 16));
- /* if the watchdog fails for some reason, let people know */
- printk(KERN_NOTICE "Watchdog reset failed\n");
+ /* if the watchdog fails for some reason, let people know */
+ printk(KERN_NOTICE "Watchdog reset failed\n");
}
/*
/* CPU 1 */
smp_call_function(prom_cpu0_exit, NULL, 1, 1);
#endif
- prom_cpu0_exit;
-}
-
-/*
- * Get the MAC address from the EEPROM using the I2C protocol
- */
-void get_mac_address(char dest[6])
-{
- /* Use the I2C command code in the i2c-yosemite */
+ prom_cpu0_exit(NULL);
}
/*
- * Halt the system
+ * Halt the system
*/
static void prom_halt(void)
{
printk(KERN_NOTICE "\n** You can safely turn off the power\n");
while (1)
- __asm__(".set\tmips3\n\t"
- "wait\n\t"
- ".set\tmips0");
+ __asm__(".set\tmips3\n\t" "wait\n\t" ".set\tmips0");
}
/*
* Init routine which accepts the variables from PMON
*/
-__init prom_init(int argc, char **arg, char **env, struct callvectors *cv)
+void __init prom_init(void)
{
- int i = 0;
+ int argc = fw_arg0;
+ char **arg = (char **) fw_arg1;
+ char **env = (char **) fw_arg2;
+ struct callvectors *cv = (struct callvectors *) fw_arg3;
+ int i = 0;
/* Callbacks for halt, restart */
- _machine_restart = (void (*)(char *))prom_exit;
+ _machine_restart = (void (*)(char *)) prom_exit;
_machine_halt = prom_halt;
_machine_power_off = prom_halt;
-#ifdef CONFIG_MIPS64
-
- /* Do nothing for the 64-bit for now. Just implement for the 32-bit */
-
-#else /* CONFIG_MIPS64 */
+#ifdef CONFIG_MIPS32
debug_vectors = cv;
arcs_cmdline[0] = '\0';
/* Get the boot parameters */
for (i = 1; i < argc; i++) {
- if (strlen(arcs_cmdline) + strlen(arg[i] + 1) >= sizeof(arcs_cmdline))
- break;
+ if (strlen(arcs_cmdline) + strlen(arg[i] + 1) >=
+ sizeof(arcs_cmdline))
+ break;
strcat(arcs_cmdline, arg[i]);
strcat(arcs_cmdline, " ");
}
while (*env) {
- if (strncmp("ocd_base", *env, strlen("ocd_base")) == 0)
- yosemite_base = simple_strtol(*env + strlen("ocd_base="),
- NULL, 16);
-
- if (strncmp("cpuclock", *env, strlen("cpuclock")) == 0)
- cpu_clock = simple_strtol(*env + strlen("cpuclock="),
- NULL, 10);
-
+ if (strncmp("ocd_base", *env, strlen("ocd_base")) == 0)
+ yosemite_base =
+ simple_strtol(*env + strlen("ocd_base="), NULL,
+ 16);
+
+ if (strncmp("cpuclock", *env, strlen("cpuclock")) == 0)
+ cpu_clock =
+ simple_strtol(*env + strlen("cpuclock="), NULL,
+ 10);
+
env++;
}
+#endif /* CONFIG_MIPS32 */
+
+#ifdef CONFIG_MIPS64
+
+ /* Do nothing for the 64-bit for now. Just implement for the 32-bit */
+
#endif /* CONFIG_MIPS64 */
mips_machgroup = MACH_GROUP_TITAN;
mips_machtype = MACH_TITAN_YOSEMITE;
-
- get_mac_address(titan_ge_mac_addr_base);
-
- debug_vectors->printf("Booting Linux kernel...\n");
}
void __init prom_free_prom_memory(void)
void __init prom_fixup_mem_map(unsigned long start, unsigned long end)
{
}
-
-extern void asmlinkage smp_bootstrap(void);
-
-/*
- * SMP support
- */
-int prom_setup_smp(void)
-{
- int num_cpus = 2;
-
- /*
- * We know that the RM9000 on the Jaguar ATX board has 2 cores. Hence, this
- * can be hardcoded for now.
- */
- return num_cpus;
-}
-
-int prom_boot_secondary(int cpu, unsigned long sp, unsigned long gp)
-{
- /* Clear the semaphore */
- *(volatile uint32_t *)(0xbb000a68) = 0x80000000;
-
- return 1;
-}
-
-void prom_init_secondary(void)
-{
- clear_c0_config(CONF_CM_CMASK);
- set_c0_config(0x2);
-
- clear_c0_status(ST0_IM);
- set_c0_status(0x1ffff);
-}
-
-void prom_smp_finish(void)
-{
-}
-
git://git.onelab.eu / linux-2.6.git / blobdiff