2 * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation; either version 2 of the License, or (at your
7 * option) any later version.
13 #include <asm/reboot.h>
15 #include <loongson1.h>
17 static void __iomem *wdt_base;
19 static void ls1x_halt(void)
27 static void ls1x_restart(char *command)
29 __raw_writel(0x1, wdt_base + WDT_EN);
30 __raw_writel(0x1, wdt_base + WDT_TIMER);
31 __raw_writel(0x1, wdt_base + WDT_SET);
36 static void ls1x_power_off(void)
41 static int __init ls1x_reboot_setup(void)
43 wdt_base = ioremap_nocache(LS1X_WDT_BASE, 0x0f);
45 panic("Failed to remap watchdog registers");
47 _machine_restart = ls1x_restart;
48 _machine_halt = ls1x_halt;
49 pm_power_off = ls1x_power_off;
54 arch_initcall(ls1x_reboot_setup);