diff options
Diffstat (limited to 'arch/mips/loongson1/common/reset.c')
| -rw-r--r-- | arch/mips/loongson1/common/reset.c | 46 | 
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/mips/loongson1/common/reset.c b/arch/mips/loongson1/common/reset.c new file mode 100644 index 00000000000..547f34b69e4 --- /dev/null +++ b/arch/mips/loongson1/common/reset.c @@ -0,0 +1,46 @@ +/* + * 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/idle.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);  | 
