48 lines
1.0 KiB
C
48 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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* Carsten Langgaard, carstenl@mips.com
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* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
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*/
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#include <linux/io.h>
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#include <linux/pm.h>
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#include <asm/reboot.h>
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#include <asm/mach-malta/malta-pm.h>
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#define SOFTRES_REG 0x1f000500
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#define GORESET 0x42
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static void mips_machine_restart(char *command)
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{
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unsigned int __iomem *softres_reg =
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ioremap(SOFTRES_REG, sizeof(unsigned int));
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__raw_writel(GORESET, softres_reg);
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}
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static void mips_machine_halt(void)
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{
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while (true);
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}
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static void mips_machine_power_off(void)
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{
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mips_pm_suspend(PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_SOFF);
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pr_info("Failed to power down, resetting\n");
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mips_machine_restart(NULL);
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}
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static int __init mips_reboot_setup(void)
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{
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_machine_restart = mips_machine_restart;
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_machine_halt = mips_machine_halt;
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pm_power_off = mips_machine_power_off;
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return 0;
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}
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arch_initcall(mips_reboot_setup);
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