/* * 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. */ #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 <northbridge/amd/agesa/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, };