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Diffstat (limited to 'src/mainboard/amd/thatcher/mainboard.c')
| -rw-r--r-- | src/mainboard/amd/thatcher/mainboard.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/mainboard/amd/thatcher/mainboard.c b/src/mainboard/amd/thatcher/mainboard.c new file mode 100644 index 0000000000..b2a01d4835 --- /dev/null +++ b/src/mainboard/amd/thatcher/mainboard.c @@ -0,0 +1,74 @@ +/* + * 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 <boot/tables.h> +#include <cpu/x86/msr.h> +#include <cpu/amd/mtrr.h> +#include <device/pci_def.h> +#include <arch/acpi.h> +#include "BiosCallOuts.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 == 1 + acpi_slp_type = acpi_get_sleep_type(); + if (acpi_slp_type == 3) + agesawrapper_fchs3earlyrestore(); + +#endif +} + +int add_mainboard_resources(struct lb_memory *mem) +{ + return 0; +} +struct chip_operations mainboard_ops = { + CHIP_NAME(CONFIG_MAINBOARD_VENDOR " " CONFIG_MAINBOARD_PART_NUMBER " Mainboard") + .enable_dev = thatcher_enable, +}; |