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| File: [Development] / linux-2.6-xfs / arch / mips / cobalt / reset.c (download)
Revision 1.6, Tue Feb 26 16:44:40 2008 UTC (9 years, 7 months ago) by lachlan.longdrop.melbourne.sgi.com
Merge up to 2.6.25-rc3 Merge of 2.6.x-xfs-melb:linux:30555a by kenmcd. |
/*
* Cobalt Reset operations
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1995, 1996, 1997 by Ralf Baechle
* Copyright (C) 2001 by Liam Davies (ldavies@agile.tv)
*/
#include <linux/init.h>
#include <linux/io.h>
#include <linux/leds.h>
#include <asm/processor.h>
#include <cobalt.h>
#define RESET_PORT ((void __iomem *)CKSEG1ADDR(0x1c000000))
#define RESET 0x0f
DEFINE_LED_TRIGGER(power_off_led_trigger);
static int __init ledtrig_power_off_init(void)
{
led_trigger_register_simple("power-off", &power_off_led_trigger);
return 0;
}
device_initcall(ledtrig_power_off_init);
void cobalt_machine_halt(void)
{
/*
* turn on power off LED on RaQ
*/
led_trigger_event(power_off_led_trigger, LED_FULL);
local_irq_disable();
while (1) {
if (cpu_wait)
cpu_wait();
}
}
void cobalt_machine_restart(char *command)
{
writeb(RESET, RESET_PORT);
/* we should never get here */
cobalt_machine_halt();
}