blob: c355cff38f6cdf1e554f999407d51ece87f47fd3 (
plain)
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
42
43
44
45
46
|
/*
* 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) 1997 Ralf Baechle
*/
#include <linux/kernel.h>
#include <asm/cacheflush.h>
#include <asm/mipsregs.h>
void wrppmc_machine_restart(char *command)
{
/*
* Ouch, we're still alive ... This time we take the silver bullet ...
* ... and find that we leave the hardware in a state in which the
* kernel in the flush locks up somewhen during of after the PCI
* detection stuff.
*/
local_irq_disable();
set_c0_status(ST0_BEV | ST0_ERL);
change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
flush_cache_all();
write_c0_wired(0);
__asm__ __volatile__("jr\t%0"::"r"(0xbfc00000));
}
void wrppmc_machine_halt(void)
{
local_irq_disable();
printk(KERN_NOTICE "You can safely turn off the power\n");
while (1) {
__asm__(
".set\tmips3\n\t"
"wait\n\t"
".set\tmips0"
);
}
}
void wrppmc_machine_power_off(void)
{
wrppmc_machine_halt();
}
|
