diff options
Diffstat (limited to 'arch/mips/pmc-sierra/yosemite/prom.c')
| -rw-r--r-- | arch/mips/pmc-sierra/yosemite/prom.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/arch/mips/pmc-sierra/yosemite/prom.c b/arch/mips/pmc-sierra/yosemite/prom.c deleted file mode 100644 index 6a2754c4f106..000000000000 --- a/arch/mips/pmc-sierra/yosemite/prom.c +++ /dev/null | |||
| @@ -1,142 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * This program is free software; you can redistribute it and/or modify it | ||
| 3 | * under the terms of the GNU General Public License as published by the | ||
| 4 | * Free Software Foundation; either version 2 of the License, or (at your | ||
| 5 | * option) any later version. | ||
| 6 | * | ||
| 7 | * Copyright (C) 2003, 2004 PMC-Sierra Inc. | ||
| 8 | * Author: Manish Lachwani (lachwani@pmc-sierra.com) | ||
| 9 | * Copyright (C) 2004 Ralf Baechle | ||
| 10 | */ | ||
| 11 | #include <linux/init.h> | ||
| 12 | #include <linux/sched.h> | ||
| 13 | #include <linux/mm.h> | ||
| 14 | #include <linux/delay.h> | ||
| 15 | #include <linux/pm.h> | ||
| 16 | #include <linux/smp.h> | ||
| 17 | |||
| 18 | #include <asm/io.h> | ||
| 19 | #include <asm/pgtable.h> | ||
| 20 | #include <asm/processor.h> | ||
| 21 | #include <asm/reboot.h> | ||
| 22 | #include <asm/smp-ops.h> | ||
| 23 | #include <asm/bootinfo.h> | ||
| 24 | #include <asm/pmon.h> | ||
| 25 | |||
| 26 | #ifdef CONFIG_SMP | ||
| 27 | extern void prom_grab_secondary(void); | ||
| 28 | #else | ||
| 29 | #define prom_grab_secondary() do { } while (0) | ||
| 30 | #endif | ||
| 31 | |||
| 32 | #include "setup.h" | ||
| 33 | |||
| 34 | struct callvectors *debug_vectors; | ||
| 35 | |||
| 36 | extern unsigned long yosemite_base; | ||
| 37 | extern unsigned long cpu_clock_freq; | ||
| 38 | |||
| 39 | const char *get_system_type(void) | ||
| 40 | { | ||
| 41 | return "PMC-Sierra Yosemite"; | ||
| 42 | } | ||
| 43 | |||
| 44 | static void prom_cpu0_exit(void *arg) | ||
| 45 | { | ||
| 46 | void *nvram = (void *) YOSEMITE_RTC_BASE; | ||
| 47 | |||
| 48 | /* Ask the NVRAM/RTC/watchdog chip to assert reset in 1/16 second */ | ||
| 49 | writeb(0x84, nvram + 0xff7); | ||
| 50 | |||
| 51 | /* wait for the watchdog to go off */ | ||
| 52 | mdelay(100 + (1000 / 16)); | ||
| 53 | |||
| 54 | /* if the watchdog fails for some reason, let people know */ | ||
| 55 | printk(KERN_NOTICE "Watchdog reset failed\n"); | ||
| 56 | } | ||
| 57 | |||
| 58 | /* | ||
| 59 | * Reset the NVRAM over the local bus | ||
| 60 | */ | ||
| 61 | static void prom_exit(void) | ||
| 62 | { | ||
| 63 | #ifdef CONFIG_SMP | ||
| 64 | if (smp_processor_id()) | ||
| 65 | /* CPU 1 */ | ||
| 66 | smp_call_function(prom_cpu0_exit, NULL, 1); | ||
| 67 | #endif | ||
| 68 | prom_cpu0_exit(NULL); | ||
| 69 | } | ||
| 70 | |||
| 71 | /* | ||
| 72 | * Halt the system | ||
| 73 | */ | ||
| 74 | static void prom_halt(void) | ||
| 75 | { | ||
| 76 | printk(KERN_NOTICE "\n** You can safely turn off the power\n"); | ||
| 77 | while (1) | ||
| 78 | __asm__(".set\tmips3\n\t" "wait\n\t" ".set\tmips0"); | ||
| 79 | } | ||
| 80 | |||
| 81 | extern struct plat_smp_ops yos_smp_ops; | ||
| 82 | |||
| 83 | /* | ||
| 84 | * Init routine which accepts the variables from PMON | ||
| 85 | */ | ||
| 86 | void __init prom_init(void) | ||
| 87 | { | ||
| 88 | int argc = fw_arg0; | ||
| 89 | char **arg = (char **) fw_arg1; | ||
| 90 | char **env = (char **) fw_arg2; | ||
| 91 | struct callvectors *cv = (struct callvectors *) fw_arg3; | ||
| 92 | int i = 0; | ||
| 93 | |||
| 94 | /* Callbacks for halt, restart */ | ||
| 95 | _machine_restart = (void (*)(char *)) prom_exit; | ||
| 96 | _machine_halt = prom_halt; | ||
| 97 | pm_power_off = prom_halt; | ||
| 98 | |||
| 99 | debug_vectors = cv; | ||
| 100 | arcs_cmdline[0] = '\0'; | ||
| 101 | |||
| 102 | /* Get the boot parameters */ | ||
| 103 | for (i = 1; i < argc; i++) { | ||
| 104 | if (strlen(arcs_cmdline) + strlen(arg[i]) + 1 >= | ||
| 105 | sizeof(arcs_cmdline)) | ||
| 106 | break; | ||
| 107 | |||
| 108 | strcat(arcs_cmdline, arg[i]); | ||
| 109 | strcat(arcs_cmdline, " "); | ||
| 110 | } | ||
| 111 | |||
| 112 | #ifdef CONFIG_SERIAL_8250_CONSOLE | ||
| 113 | if ((strstr(arcs_cmdline, "console=ttyS")) == NULL) | ||
| 114 | strcat(arcs_cmdline, "console=ttyS0,115200"); | ||
| 115 | #endif | ||
| 116 | |||
| 117 | while (*env) { | ||
| 118 | if (strncmp("ocd_base", *env, strlen("ocd_base")) == 0) | ||
| 119 | yosemite_base = | ||
| 120 | simple_strtol(*env + strlen("ocd_base="), NULL, | ||
| 121 | 16); | ||
| 122 | |||
| 123 | if (strncmp("cpuclock", *env, strlen("cpuclock")) == 0) | ||
| 124 | cpu_clock_freq = | ||
| 125 | simple_strtol(*env + strlen("cpuclock="), NULL, | ||
| 126 | 10); | ||
| 127 | |||
| 128 | env++; | ||
| 129 | } | ||
| 130 | |||
| 131 | prom_grab_secondary(); | ||
| 132 | |||
| 133 | register_smp_ops(&yos_smp_ops); | ||
| 134 | } | ||
| 135 | |||
| 136 | void __init prom_free_prom_memory(void) | ||
| 137 | { | ||
| 138 | } | ||
| 139 | |||
| 140 | void __init prom_fixup_mem_map(unsigned long start, unsigned long end) | ||
| 141 | { | ||
| 142 | } | ||
