1/*
 2 * Cobalt Reset operations
 3 *
 4 * This file is subject to the terms and conditions of the GNU General Public
 5 * License.  See the file "COPYING" in the main directory of this archive
 6 * for more details.
 7 *
 8 * Copyright (C) 1995, 1996, 1997 by Ralf Baechle
 9 * Copyright (C) 2001 by Liam Davies (ldavies@agile.tv)
10 */
11#include <linux/init.h>
12#include <linux/io.h>
13#include <linux/leds.h>
14
 
15#include <asm/processor.h>
16
17#include <cobalt.h>
18
19#define RESET_PORT	((void __iomem *)CKSEG1ADDR(0x1c000000))
20#define RESET		0x0f
21
22DEFINE_LED_TRIGGER(power_off_led_trigger);
23
24static int __init ledtrig_power_off_init(void)
25{
26	led_trigger_register_simple("power-off", &power_off_led_trigger);
27	return 0;
28}
29device_initcall(ledtrig_power_off_init);
30
31void cobalt_machine_halt(void)
32{
33	/*
34	 * turn on power off LED on RaQ
35	 */
36	led_trigger_event(power_off_led_trigger, LED_FULL);
37
38	local_irq_disable();
39	while (1) {
40		if (cpu_wait)
41			cpu_wait();
42	}
43}
44
45void cobalt_machine_restart(char *command)
46{
47	writeb(RESET, RESET_PORT);
48
49	/* we should never get here */
50	cobalt_machine_halt();
51}

 1/*
 2 * Cobalt Reset operations
 3 *
 4 * This file is subject to the terms and conditions of the GNU General Public
 5 * License.  See the file "COPYING" in the main directory of this archive
 6 * for more details.
 7 *
 8 * Copyright (C) 1995, 1996, 1997 by Ralf Baechle
 9 * Copyright (C) 2001 by Liam Davies (ldavies@agile.tv)
10 */
11#include <linux/init.h>
12#include <linux/io.h>
13#include <linux/leds.h>
14
15#include <asm/idle.h>
16#include <asm/processor.h>
17
18#include <cobalt.h>
19
20#define RESET_PORT	((void __iomem *)CKSEG1ADDR(0x1c000000))
21#define RESET		0x0f
22
23DEFINE_LED_TRIGGER(power_off_led_trigger);
24
25static int __init ledtrig_power_off_init(void)
26{
27	led_trigger_register_simple("power-off", &power_off_led_trigger);
28	return 0;
29}
30device_initcall(ledtrig_power_off_init);
31
32void cobalt_machine_halt(void)
33{
34	/*
35	 * turn on power off LED on RaQ
36	 */
37	led_trigger_event(power_off_led_trigger, LED_FULL);
38
39	local_irq_disable();
40	while (1) {
41		if (cpu_wait)
42			cpu_wait();
43	}
44}
45
46void cobalt_machine_restart(char *command)
47{
48	writeb(RESET, RESET_PORT);
49
50	/* we should never get here */
51	cobalt_machine_halt();
52}