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1/*
2 * Carsten Langgaard, carstenl@mips.com
3 * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
4 *
5 * ########################################################################
6 *
7 * This program is free software; you can distribute it and/or modify it
8 * under the terms of the GNU General Public License (Version 2) as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
19 *
20 * ########################################################################
21 *
22 * Reset the MIPS boards.
23 *
24 */
25#include <linux/init.h>
26#include <linux/pm.h>
27
28#include <asm/io.h>
29#include <asm/reboot.h>
30#include <asm/mips-boards/generic.h>
31
32static void mips_machine_restart(char *command)
33{
34 unsigned int __iomem *softres_reg =
35 ioremap(SOFTRES_REG, sizeof(unsigned int));
36
37 __raw_writel(GORESET, softres_reg);
38}
39
40static void mips_machine_halt(void)
41{
42 unsigned int __iomem *softres_reg =
43 ioremap(SOFTRES_REG, sizeof(unsigned int));
44
45 __raw_writel(GORESET, softres_reg);
46}
47
48
49static int __init mips_reboot_setup(void)
50{
51 _machine_restart = mips_machine_restart;
52 _machine_halt = mips_machine_halt;
53 pm_power_off = mips_machine_halt;
54
55 return 0;
56}
57
58arch_initcall(mips_reboot_setup);
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);