1 From c06e836ada59fbc6d1109277e693e5b3e056ac12 Mon Sep 17 00:00:00 2001
2 From: John Crispin <blogic@openwrt.org>
3 Date: Sun, 20 Jan 2013 22:00:57 +0100
4 Subject: [PATCH 03/14] MIPS: ralink: adds reset code
6 Resetting these SoCs requires no real magic. The code is straight forward.
8 Signed-off-by: John Crispin <blogic@openwrt.org>
9 Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
10 Patchwork: http://patchwork.linux-mips.org/patch/4891/
12 arch/mips/ralink/reset.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
13 1 file changed, 44 insertions(+)
14 create mode 100644 arch/mips/ralink/reset.c
17 +++ b/arch/mips/ralink/reset.c
20 + * This program is free software; you can redistribute it and/or modify it
21 + * under the terms of the GNU General Public License version 2 as published
22 + * by the Free Software Foundation.
24 + * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
25 + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
26 + * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
29 +#include <linux/pm.h>
30 +#include <linux/io.h>
32 +#include <asm/reboot.h>
34 +#include <asm/mach-ralink/ralink_regs.h>
37 +#define SYSC_REG_RESET_CTRL 0x034
38 +#define RSTCTL_RESET_SYSTEM BIT(0)
40 +static void ralink_restart(char *command)
42 + local_irq_disable();
43 + rt_sysc_w32(RSTCTL_RESET_SYSTEM, SYSC_REG_RESET_CTRL);
47 +static void ralink_halt(void)
49 + local_irq_disable();
53 +static int __init mips_reboot_setup(void)
55 + _machine_restart = ralink_restart;
56 + _machine_halt = ralink_halt;
57 + pm_power_off = ralink_halt;
62 +arch_initcall(mips_reboot_setup);