| /* |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| * |
| * Carsten Langgaard, carstenl@mips.com |
| * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. |
| */ |
| #include <linux/io.h> |
| #include <linux/pm.h> |
| |
| #include <asm/reboot.h> |
| #include <asm/mach-malta/malta-pm.h> |
| |
| #define SOFTRES_REG 0x1f000500 |
| #define GORESET 0x42 |
| |
| static void mips_machine_restart(char *command) |
| { |
| unsigned int __iomem *softres_reg = |
| ioremap(SOFTRES_REG, sizeof(unsigned int)); |
| |
| __raw_writel(GORESET, softres_reg); |
| } |
| |
| static void mips_machine_halt(void) |
| { |
| while (true); |
| } |
| |
| static void mips_machine_power_off(void) |
| { |
| mips_pm_suspend(PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_SOFF); |
| |
| pr_info("Failed to power down, resetting\n"); |
| mips_machine_restart(NULL); |
| } |
| |
| static int __init mips_reboot_setup(void) |
| { |
| _machine_restart = mips_machine_restart; |
| _machine_halt = mips_machine_halt; |
| pm_power_off = mips_machine_power_off; |
| |
| return 0; |
| } |
| arch_initcall(mips_reboot_setup); |
