/* * This file is part of the coreboot project. * * Copyright (C) 2010 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. */ // Use simple device model for this file even in ramstage #define __SIMPLE_DEVICE__ #include <arch/io.h> #include <reset.h> #include <northbridge/amd/amdk8/reset_test.c> void do_hard_reset(void) { set_bios_reset(); /* Try rebooting through port 0xcf9 */ /* Actually it is not a real hard_reset --- it only reset coherent link table, but not reset link freq and width */ outb((0 << 3) | (0 << 2) | (1 << 1), 0xcf9); outb((0 << 3) | (1 << 2) | (1 << 1), 0xcf9); }