mirror of https://gitee.com/openkylin/linux.git
47 lines
1.0 KiB
C
47 lines
1.0 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1997 Ralf Baechle
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*/
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#include <linux/kernel.h>
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#include <asm/cacheflush.h>
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#include <asm/mipsregs.h>
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void wrppmc_machine_restart(char *command)
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{
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/*
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* Ouch, we're still alive ... This time we take the silver bullet ...
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* ... and find that we leave the hardware in a state in which the
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* kernel in the flush locks up somewhen during of after the PCI
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* detection stuff.
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*/
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local_irq_disable();
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set_c0_status(ST0_BEV | ST0_ERL);
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change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
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flush_cache_all();
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write_c0_wired(0);
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__asm__ __volatile__("jr\t%0"::"r"(0xbfc00000));
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}
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void wrppmc_machine_halt(void)
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{
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local_irq_disable();
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printk(KERN_NOTICE "You can safely turn off the power\n");
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while (1) {
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__asm__(
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".set\tmips3\n\t"
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"wait\n\t"
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".set\tmips0"
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);
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}
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}
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void wrppmc_machine_power_off(void)
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{
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wrppmc_machine_halt();
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}
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