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/*
* 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 "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 thatcher_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);
/*
* The mainboard is the first place that we get control in ramstage. Check
* for S3 resume and call the approriate AGESA/CIMx resume functions.
*/
#if CONFIG_HAVE_ACPI_RESUME
acpi_slp_type = acpi_get_sleep_type();
if (acpi_slp_type == 3)
agesawrapper_fchs3earlyrestore();
#endif
}
struct chip_operations mainboard_ops = {
.enable_dev = thatcher_enable,
};
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