blob: 34fb37e1cb0c0eb1a7f10fdb25511dc86ae44051 (
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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2006 Indrek Kruusa <indrek.kruusa@artecdesign.ee>
* Copyright (C) 2006 Ronald G. Minnich <rminnich@gmail.com>
* Copyright (C) 2007 Advanced Micro Devices, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.
*/
/**
* StartTimer1
*
* Entry: none
* Exit: Starts Timer 1 for port 61 use
* Destroys: Al,
*/
static void StartTimer1(void)
{
outb(0x56, 0x43);
outb(0x12, 0x41);
}
void SystemPreInit(void)
{
/* they want a jump ... */
#if !CONFIG_CACHE_AS_RAM
__asm__ __volatile__("jmp .+2\ninvd\njmp .+2\n");
#endif
StartTimer1();
}
|
