diff options
Diffstat (limited to 'src/mainboard/msi/ms7721/mainboard.c')
-rw-r--r-- | src/mainboard/msi/ms7721/mainboard.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/mainboard/msi/ms7721/mainboard.c b/src/mainboard/msi/ms7721/mainboard.c new file mode 100644 index 0000000000..2566037159 --- /dev/null +++ b/src/mainboard/msi/ms7721/mainboard.c @@ -0,0 +1,56 @@ +/* + * 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 <northbridge/amd/agesa/agesawrapper.h> +#include <northbridge/amd/agesa/BiosCallOuts.h> + +#include <arch/acpi.h> +#include <arch/io.h> +#include <console/console.h> +#include <cpu/amd/agesa/s3_resume.h> +#include <cpu/x86/msr.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_def.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, +}; |