Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | */ |
Ralf Baechle | fcdb27a | 2006-01-18 17:37:07 +0000 | [diff] [blame] | 25 | #include <linux/pm.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | |
| 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 | |
| 34 | static void mips_machine_restart(char *command); |
| 35 | static void mips_machine_halt(void); |
| 36 | #if defined(CONFIG_MIPS_ATLAS) |
| 37 | static void atlas_machine_power_off(void); |
| 38 | #endif |
| 39 | |
| 40 | static void mips_machine_restart(char *command) |
| 41 | { |
Dmitri Vorobiev | 84c21e2 | 2008-01-08 06:44:00 +0300 | [diff] [blame^] | 42 | unsigned int __iomem *softres_reg = |
| 43 | ioremap(SOFTRES_REG, sizeof(unsigned int)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
Dmitri Vorobiev | 84c21e2 | 2008-01-08 06:44:00 +0300 | [diff] [blame^] | 45 | __raw_writel(GORESET, softres_reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | } |
| 47 | |
| 48 | static void mips_machine_halt(void) |
| 49 | { |
Dmitri Vorobiev | 84c21e2 | 2008-01-08 06:44:00 +0300 | [diff] [blame^] | 50 | unsigned int __iomem *softres_reg = |
| 51 | ioremap(SOFTRES_REG, sizeof(unsigned int)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | |
Dmitri Vorobiev | 84c21e2 | 2008-01-08 06:44:00 +0300 | [diff] [blame^] | 53 | __raw_writel(GORESET, softres_reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | } |
| 55 | |
| 56 | #if defined(CONFIG_MIPS_ATLAS) |
| 57 | static void atlas_machine_power_off(void) |
| 58 | { |
Ralf Baechle | f197465 | 2007-04-26 15:46:24 +0100 | [diff] [blame] | 59 | unsigned int __iomem *psustby_reg = ioremap(ATLAS_PSUSTBY_REG, sizeof(unsigned int)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | |
Ralf Baechle | f197465 | 2007-04-26 15:46:24 +0100 | [diff] [blame] | 61 | writew(ATLAS_GOSTBY, psustby_reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | } |
| 63 | #endif |
| 64 | |
| 65 | void mips_reboot_setup(void) |
| 66 | { |
| 67 | _machine_restart = mips_machine_restart; |
| 68 | _machine_halt = mips_machine_halt; |
| 69 | #if defined(CONFIG_MIPS_ATLAS) |
Ralf Baechle | fcdb27a | 2006-01-18 17:37:07 +0000 | [diff] [blame] | 70 | pm_power_off = atlas_machine_power_off; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | #endif |
| 72 | #if defined(CONFIG_MIPS_MALTA) || defined(CONFIG_MIPS_SEAD) |
Ralf Baechle | fcdb27a | 2006-01-18 17:37:07 +0000 | [diff] [blame] | 73 | pm_power_off = mips_machine_halt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | #endif |
| 75 | } |