1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
// SPDX-License-Identifier: GPL-2.0
/*
* ip30-power.c: Software powerdown and reset handling for IP30 architecture.
*
* Copyright (C) 2004-2007 Stanislaw Skowronek <skylark@unaligned.org>
* 2014 Joshua Kinard <kumba@gentoo.org>
* 2009 Johannes Dickgreber <tanzy@gmx.de>
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/notifier.h>
#include <linux/delay.h>
#include <linux/rtc/ds1685.h>
#include <linux/interrupt.h>
#include <linux/pm.h>
#include <asm/reboot.h>
#include <asm/sgi/heart.h>
static void __noreturn ip30_machine_restart(char *cmd)
{
/*
* Execute HEART cold reset
* Yes, it's cold-HEARTed!
*/
heart_write((heart_read(&heart_regs->mode) | HM_COLD_RST),
&heart_regs->mode);
unreachable();
}
static int __init ip30_reboot_setup(void)
{
_machine_restart = ip30_machine_restart;
return 0;
}
subsys_initcall(ip30_reboot_setup);
|
