diff options
Diffstat (limited to 'arch/mips/loongson1/common/reset.c')
| -rw-r--r-- | arch/mips/loongson1/common/reset.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/mips/loongson1/common/reset.c b/arch/mips/loongson1/common/reset.c new file mode 100644 index 000000000000..fb979a784eca --- /dev/null +++ b/arch/mips/loongson1/common/reset.c @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/io.h> +#include <linux/pm.h> +#include <asm/reboot.h> + +#include <loongson1.h> + +static void ls1x_restart(char *command) +{ + __raw_writel(0x1, LS1X_WDT_EN); + __raw_writel(0x5000000, LS1X_WDT_TIMER); + __raw_writel(0x1, LS1X_WDT_SET); +} + +static void ls1x_halt(void) +{ + while (1) { + if (cpu_wait) + cpu_wait(); + } +} + +static void ls1x_power_off(void) +{ + ls1x_halt(); +} + +static int __init ls1x_reboot_setup(void) +{ + _machine_restart = ls1x_restart; + _machine_halt = ls1x_halt; + pm_power_off = ls1x_power_off; + + return 0; +} + +arch_initcall(ls1x_reboot_setup); |