/* * This file is part of the coreboot project. * * Copyright (C) 2004 Tyan Computer * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer. * Copyright (C) 2006,2007 AMD * Written by Yinghai Lu <yinghai.lu@amd.com> for AMD. * * 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; either version 2 of the License, or * (at your option) any later version. * * 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. */ #define __SIMPLE_DEVICE__ #include <arch/io.h> #include <reset.h> #include "../../../northbridge/amd/amdk8/reset_test.c" void 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); }