blob: 06ae4d81ba6a6d3421e7a95ca23e1c34dce4668c (
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
|
/*
* arch/i386/mach-generic/mach_reboot.h
*
* Machine specific reboot functions for generic.
* Split out from reboot.c by Osamu Tomita <tomita@cinet.co.jp>
*/
#ifndef _MACH_REBOOT_H
#define _MACH_REBOOT_H
static inline void kb_wait(void)
{
int i;
for (i = 0; i < 0x10000; i++)
if ((inb_p(0x64) & 0x02) == 0)
break;
}
static inline void mach_reboot(void)
{
int i;
for (i = 0; i < 100; i++) {
kb_wait();
udelay(50);
outb(0x60, 0x64); /* write Controller Command Byte */
udelay(50);
kb_wait();
udelay(50);
outb(0x14, 0x60); /* set "System flag" */
udelay(50);
kb_wait();
udelay(50);
outb(0xfe, 0x64); /* pulse reset low */
udelay(50);
}
}
#endif /* !_MACH_REBOOT_H */
|
