| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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) 1997, 2001 Ralf Baechle |
| 8 | * Copyright 2001 MontaVista Software Inc. |
| 9 | * Author: jsun@mvista.com or jsun@junsun.net |
| 10 | */ |
| 11 | #include <linux/sched.h> |
| 12 | #include <linux/mm.h> |
| 13 | #include <asm/io.h> |
| 14 | #include <asm/cacheflush.h> |
| 15 | #include <asm/processor.h> |
| 16 | #include <asm/reboot.h> |
| 17 | #include <asm/system.h> |
| 18 | |
| 19 | void nec_osprey_restart(char *command) |
| 20 | { |
| 21 | set_c0_status(ST0_ERL); |
| 22 | change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED); |
| 23 | flush_cache_all(); |
| 24 | write_c0_wired(0); |
| 25 | __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000)); |
| 26 | } |
| 27 | |
| 28 | void nec_osprey_halt(void) |
| 29 | { |
| 30 | printk(KERN_NOTICE "\n** You can safely turn off the power\n"); |
| 31 | while (1) |
| 32 | __asm__(".set\tmips3\n\t" |
| 33 | "wait\n\t" |
| 34 | ".set\tmips0"); |
| 35 | } |
| 36 | |
| 37 | void nec_osprey_power_off(void) |
| 38 | { |
| 39 | nec_osprey_halt(); |
| 40 | } |