blob: d41aa8686e83319498e67ba872cf3db623504a30 (
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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/*
* This file is part of the coreboot project.
*
* Copyright 2013 Google 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.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <device/pci_def.h>
#ifdef __PRE_RAM__
#include <arch/io.h>
#include <arch/romcc_io.h>
#else
#include <device/device.h>
#include <device/pci.h>
#endif
#include "pch.h"
void pch_config_rcba(const struct rcba_config_instruction *rcba_config)
{
const struct rcba_config_instruction *rc;
u32 value;
rc = rcba_config;
while (rc->command != RCBA_COMMAND_END)
{
if ((rc->command & RCBA_REG_SIZE_MASK) == RCBA_REG_SIZE_16) {
switch (rc->command & RCBA_COMMAND_MASK) {
case RCBA_COMMAND_SET:
RCBA16(rc->reg) = (u16)rc->or_value;
break;
case RCBA_COMMAND_READ:
(void)RCBA16(rc->reg);
break;
case RCBA_COMMAND_RMW:
value = RCBA16(rc->reg);
value &= rc->mask;
value |= rc->or_value;
RCBA16(rc->reg) = (u16)value;
break;
}
} else {
switch (rc->command & RCBA_COMMAND_MASK) {
case RCBA_COMMAND_SET:
RCBA32(rc->reg) = rc->or_value;
break;
case RCBA_COMMAND_READ:
(void)RCBA32(rc->reg);
break;
case RCBA_COMMAND_RMW:
value = RCBA32(rc->reg);
value &= rc->mask;
value |= rc->or_value;
RCBA32(rc->reg) = value;
break;
}
}
rc++;
}
}
|
