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
47
48
49
50
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 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; version 2 of the License.
*
* 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.
*/
#include <arch/io.h> /*inb, outb*/
#include "pmio.h"
static void pmio_write_index(u16 port_base, u8 reg, u8 value)
{
outb(reg, port_base);
outb(value, port_base + 1);
}
static u8 pmio_read_index(u16 port_base, u8 reg)
{
outb(reg, port_base);
return inb(port_base + 1);
}
void pm_iowrite(u8 reg, u8 value)
{
pmio_write_index(PM_INDEX, reg, value);
}
u8 pm_ioread(u8 reg)
{
return pmio_read_index(PM_INDEX, reg);
}
void pm2_iowrite(u8 reg, u8 value)
{
pmio_write_index(PM2_INDEX, reg, value);
}
u8 pm2_ioread(u8 reg)
{
return pmio_read_index(PM2_INDEX, reg);
}
|
