summaryrefslogtreecommitdiff
path: root/src/mainboard/amd/thatcher/mainboard.c
blob: 834117efb3ae27d3de20da778ef69d5425ce784b (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
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2012 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.
 *
 * 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/device.h>
#include <device/pci.h>
#include <arch/io.h>
#include <cpu/x86/msr.h>
#include <northbridge/amd/agesa/BiosCallOuts.h>
#include <cpu/amd/mtrr.h>
#include <device/pci_def.h>
#include <arch/acpi.h>
#include <cpu/amd/agesa/s3_resume.h>
#include "agesawrapper.h"

/*************************************************
 * enable the dedicated function in thatcher board.
 *************************************************/
static void mainboard_enable(device_t dev)
{
	msr_t msr;

	printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n");

	msr = rdmsr(0xC0011020);
	msr.lo &= ~(1 << 28);
	wrmsr(0xC0011020, msr);

	msr = rdmsr(0xC0011022);
	msr.lo &= ~(1 << 4);
	msr.lo &= ~(1 << 13);
	wrmsr(0xC0011022, msr);

	msr = rdmsr(0xC0011023);
	msr.lo &= ~(1 << 23);
	wrmsr(0xC0011023, msr);

	if (acpi_is_wakeup_s3())
		agesawrapper_fchs3earlyrestore();
}

struct chip_operations mainboard_ops = {
	.enable_dev = mainboard_enable,
};