diff options
| author | John Crispin <blogic@openwrt.org> | 2013-01-20 22:00:57 +0100 |
|---|---|---|
| committer | John Crispin <blogic@openwrt.org> | 2013-02-17 01:25:29 +0100 |
| commit | c06e836ada59fbc6d1109277e693e5b3e056ac12 (patch) | |
| tree | 2dba753c01872704c8dc13487cf603df7513d94d /arch/mips/ralink | |
| parent | 19d3814e7b325f8965fd71f329b3467a97f8d217 (diff) | |
MIPS: ralink: adds reset code
Resetting these SoCs requires no real magic. The code is straight forward.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4891/
Diffstat (limited to 'arch/mips/ralink')
| -rw-r--r-- | arch/mips/ralink/reset.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/mips/ralink/reset.c b/arch/mips/ralink/reset.c new file mode 100644 index 000000000000..22120e512e7e --- /dev/null +++ b/arch/mips/ralink/reset.c @@ -0,0 +1,44 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * Copyright (C) 2013 John Crispin <blogic@openwrt.org> + */ + +#include <linux/pm.h> +#include <linux/io.h> + +#include <asm/reboot.h> + +#include <asm/mach-ralink/ralink_regs.h> + +/* Reset Control */ +#define SYSC_REG_RESET_CTRL 0x034 +#define RSTCTL_RESET_SYSTEM BIT(0) + +static void ralink_restart(char *command) +{ + local_irq_disable(); + rt_sysc_w32(RSTCTL_RESET_SYSTEM, SYSC_REG_RESET_CTRL); + unreachable(); +} + +static void ralink_halt(void) +{ + local_irq_disable(); + unreachable(); +} + +static int __init mips_reboot_setup(void) +{ + _machine_restart = ralink_restart; + _machine_halt = ralink_halt; + pm_power_off = ralink_halt; + + return 0; +} + +arch_initcall(mips_reboot_setup); |