| /* |
| * 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 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); |
| |
| /* |
| * 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 = mainboard_enable, |
| }; |