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Commit c06e836a authored by John Crispin's avatar John Crispin
Browse files

MIPS: ralink: adds reset code 



Resetting these SoCs requires no real magic. The code is straight forward.

Signed-off-by: default avatarJohn Crispin <blogic@openwrt.org>
Signed-off-by: default avatarGabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4891/
parent 19d3814e

arch/mips/ralink/reset.c

0 → 100644
+44 −0
Original line number Original line Diff line number Diff line 
/*

 * 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);