X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fpmc-sierra%2Fyosemite%2Fprom.c;h=5b4ef33acf223750e3031f8e46086a1a2d60d74b;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=70f68b7c0552903559d138d9cd8f58331e54cc61;hpb=db216c3d5e4c040e557a50f8f5d35d5c415e8c1c;p=linux-2.6.git diff --git a/arch/mips/pmc-sierra/yosemite/prom.c b/arch/mips/pmc-sierra/yosemite/prom.c index 70f68b7c0..5b4ef33ac 100644 --- a/arch/mips/pmc-sierra/yosemite/prom.c +++ b/arch/mips/pmc-sierra/yosemite/prom.c @@ -7,55 +7,44 @@ * Copyright (C) 2003 PMC-Sierra Inc. * Author: Manish Lachwani (lachwani@pmc-sierra.com) */ - +#include #include #include +#include +#include + #include #include #include #include #include -#include -#include #include +#include #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"); } /* @@ -68,78 +57,73 @@ static void prom_exit(void) /* 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) @@ -149,41 +133,3 @@ 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) -{ -} -