1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License.  See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Carsten Langgaard, carstenl@mips.com
7 * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
8 */
9#include <linux/io.h>
10#include <linux/pm.h>
11
12#include <asm/reboot.h>
13#include <asm/mach-malta/malta-pm.h>
14
15#define SOFTRES_REG	0x1f000500
16#define GORESET		0x42
17
18static void mips_machine_restart(char *command)
19{
20	unsigned int __iomem *softres_reg =
21		ioremap(SOFTRES_REG, sizeof(unsigned int));
22
23	__raw_writel(GORESET, softres_reg);
24}
25
26static void mips_machine_halt(void)
27{
28	while (true);
29}
30
31static void mips_machine_power_off(void)
32{
33	mips_pm_suspend(PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_SOFF);
34
35	pr_info("Failed to power down, resetting\n");
36	mips_machine_restart(NULL);
37}
38
39static int __init mips_reboot_setup(void)
40{
41	_machine_restart = mips_machine_restart;
42	_machine_halt = mips_machine_halt;
43	pm_power_off = mips_machine_power_off;
44
45	return 0;
46}
47arch_initcall(mips_reboot_setup);
48