blob: 7a1bb51f81ee150e1b5ec38d6b645da8bc1605c3 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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 */
Ralf Baechlefcdb27a2006-01-18 17:37:07 +000025#include <linux/pm.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070026
27#include <asm/io.h>
28#include <asm/reboot.h>
29#include <asm/mips-boards/generic.h>
30#if defined(CONFIG_MIPS_ATLAS)
31#include <asm/mips-boards/atlas.h>
32#endif
33
34static void mips_machine_restart(char *command);
35static void mips_machine_halt(void);
36#if defined(CONFIG_MIPS_ATLAS)
37static void atlas_machine_power_off(void);
38#endif
39
40static void mips_machine_restart(char *command)
41{
Ralf Baechlef1974652007-04-26 15:46:24 +010042 unsigned int __iomem *softres_reg = ioremap(SOFTRES_REG, sizeof(unsigned int));
Linus Torvalds1da177e2005-04-16 15:20:36 -070043
Ralf Baechlef1974652007-04-26 15:46:24 +010044 writew(GORESET, softres_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -070045}
46
47static void mips_machine_halt(void)
48{
Ralf Baechlef1974652007-04-26 15:46:24 +010049 unsigned int __iomem *softres_reg = ioremap(SOFTRES_REG, sizeof(unsigned int));
Linus Torvalds1da177e2005-04-16 15:20:36 -070050
Ralf Baechlef1974652007-04-26 15:46:24 +010051 writew(GORESET, softres_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -070052}
53
54#if defined(CONFIG_MIPS_ATLAS)
55static void atlas_machine_power_off(void)
56{
Ralf Baechlef1974652007-04-26 15:46:24 +010057 unsigned int __iomem *psustby_reg = ioremap(ATLAS_PSUSTBY_REG, sizeof(unsigned int));
Linus Torvalds1da177e2005-04-16 15:20:36 -070058
Ralf Baechlef1974652007-04-26 15:46:24 +010059 writew(ATLAS_GOSTBY, psustby_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -070060}
61#endif
62
63void mips_reboot_setup(void)
64{
65 _machine_restart = mips_machine_restart;
66 _machine_halt = mips_machine_halt;
67#if defined(CONFIG_MIPS_ATLAS)
Ralf Baechlefcdb27a2006-01-18 17:37:07 +000068 pm_power_off = atlas_machine_power_off;
Linus Torvalds1da177e2005-04-16 15:20:36 -070069#endif
70#if defined(CONFIG_MIPS_MALTA) || defined(CONFIG_MIPS_SEAD)
Ralf Baechlefcdb27a2006-01-18 17:37:07 +000071 pm_power_off = mips_machine_halt;
Linus Torvalds1da177e2005-04-16 15:20:36 -070072#endif
73}