1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License.  See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2001, 06 by Ralf Baechle (ralf@linux-mips.org)
7 * Copyright (C) 2001 MIPS Technologies, Inc.
8 */
9#include <linux/kernel.h>
10#include <linux/export.h>
11#include <linux/pm.h>
12#include <linux/types.h>
13#include <linux/reboot.h>
14#include <linux/delay.h>
15
16#include <asm/reboot.h>
17
18/*
19 * Urgs ...  Too many MIPS machines to handle this in a generic way.
20 * So handle all using function pointers to machine specific
21 * functions.
22 */
23void (*_machine_restart)(char *command);
24void (*_machine_halt)(void);
25void (*pm_power_off)(void);
26
27EXPORT_SYMBOL(pm_power_off);
28
29void machine_restart(char *command)
30{
31	if (_machine_restart)
32		_machine_restart(command);
33
34#ifdef CONFIG_SMP
35	preempt_disable();
36	smp_send_stop();
37#endif
38	do_kernel_restart(command);
39	mdelay(1000);
40	pr_emerg("Reboot failed -- System halted\n");
41	local_irq_disable();
42	while (1);
43}
44
45void machine_halt(void)
46{
47	if (_machine_halt)
48		_machine_halt();
49
50#ifdef CONFIG_SMP
51	preempt_disable();
52	smp_send_stop();
53#endif
54	local_irq_disable();
55	while (1);
56}
57
58void machine_power_off(void)
59{
60	if (pm_power_off)
61		pm_power_off();
62
63#ifdef CONFIG_SMP
64	preempt_disable();
65	smp_send_stop();
66#endif
67	local_irq_disable();
68	while (1);
69}
70