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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
*
* 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.
*/
#include <arch/io.h>
#include <stdlib.h>
#include "sandybridge.h"
#define PCI_DEV_SNB PCI_DEV(0, 0, 0)
void intel_sandybridge_finalize_smm(void)
{
pci_or_config16(PCI_DEV_SNB, 0x50, 1 << 0); /* GGC */
pci_or_config32(PCI_DEV_SNB, 0x5c, 1 << 0); /* DPR */
pci_or_config32(PCI_DEV_SNB, 0x78, 1 << 10); /* ME */
pci_or_config32(PCI_DEV_SNB, 0x90, 1 << 0); /* REMAPBASE */
pci_or_config32(PCI_DEV_SNB, 0x98, 1 << 0); /* REMAPLIMIT */
pci_or_config32(PCI_DEV_SNB, 0xa0, 1 << 0); /* TOM */
pci_or_config32(PCI_DEV_SNB, 0xa8, 1 << 0); /* TOUUD */
pci_or_config32(PCI_DEV_SNB, 0xb0, 1 << 0); /* BDSM */
pci_or_config32(PCI_DEV_SNB, 0xb4, 1 << 0); /* BGSM */
pci_or_config32(PCI_DEV_SNB, 0xb8, 1 << 0); /* TSEGMB */
pci_or_config32(PCI_DEV_SNB, 0xbc, 1 << 0); /* TOLUD */
MCHBAR32_OR(0x5500, 1 << 0); /* PAVP */
MCHBAR32_OR(0x5f00, 1 << 31); /* SA PM */
MCHBAR32_OR(0x6020, 1 << 0); /* UMA GFX */
MCHBAR32_OR(0x63fc, 1 << 0); /* VTDTRK */
MCHBAR32_OR(0x6800, 1 << 31);
MCHBAR32_OR(0x7000, 1 << 31);
MCHBAR32_OR(0x77fc, 1 << 0);
/* Memory Controller Lockdown */
MCHBAR8(0x50fc) = 0x8f;
/* Read+write the following */
MCHBAR32(0x6030) = MCHBAR32(0x6030);
MCHBAR32(0x6034) = MCHBAR32(0x6034);
MCHBAR32(0x6008) = MCHBAR32(0x6008);
}
|
