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/pm.h> 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 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{ 42 unsigned int __iomem *softres_reg = ioremap(SOFTRES_REG, sizeof(unsigned int)); 43 44 writew(GORESET, softres_reg); 45} 46 47static void mips_machine_halt(void) 48{ 49 unsigned int __iomem *softres_reg = ioremap(SOFTRES_REG, sizeof(unsigned int)); 50 51 writew(GORESET, softres_reg); 52} 53 54#if defined(CONFIG_MIPS_ATLAS) 55static void atlas_machine_power_off(void) 56{ 57 unsigned int __iomem *psustby_reg = ioremap(ATLAS_PSUSTBY_REG, sizeof(unsigned int)); 58 59 writew(ATLAS_GOSTBY, psustby_reg); 60} 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) 68 pm_power_off = atlas_machine_power_off; 69#endif 70#if defined(CONFIG_MIPS_MALTA) || defined(CONFIG_MIPS_SEAD) 71 pm_power_off = mips_machine_halt; 72#endif 73} 74