reset.c
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1997 Ralf Baechle
- */
- #include <linux/sched.h>
- #include <linux/mm.h>
- #include <asm/io.h>
- #include <asm/pgtable.h>
- #include <asm/processor.h>
- #include <asm/reboot.h>
- #include <asm/system.h>
- void galileo_machine_restart(char *command)
- {
- *(volatile char *) 0xbc000000 = 0x0f;
- /*
- * Ouch, we're still alive ... This time we take the silver bullet ...
- * ... and find that we leave the hardware in a state in which the
- * kernel in the flush locks up somewhen during of after the PCI
- * detection stuff.
- */
- set_cp0_status(ST0_BEV | ST0_ERL);
- change_cp0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
- flush_cache_all();
- write_32bit_cp0_register(CP0_WIRED, 0);
- __asm__ __volatile__("jrt%0"::"r"(0xbfc00000));
- }
- void galileo_machine_halt(void)
- {
- printk(KERN_NOTICE "You can safely turn off the powern");
- while (1)
- __asm__(".settmips3nt"
- "waitnt"
- ".settmips0");
- }
- void galileo_machine_power_off(void)
- {
- galileo_machine_halt();
- }