/* * This file is part of the coreboot project. * * Copyright (C) 2007 AMD * Written by Yinghai Lu 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. * * 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. */ #include static unsigned get_sbdn(unsigned bus) { device_t dev; /* Find the device. */ dev = pci_locate_device_on_bus( PCI_ID(PCI_VENDOR_ID_SIS, PCI_DEVICE_ID_SIS_SIS761), bus); return (dev>>15) & 0x1f; } void hard_reset(void) { set_bios_reset(); /* full reset */ outb(0x0a, 0x0cf9); outb(0x0e, 0x0cf9); } static void enable_fid_change_on_sb(unsigned sbbusn, unsigned sbdn) { /* default value for sis966 is good */ /* set VFSMAF ( VID/FID System Management Action Field) to 2 */ } void soft_reset(void) { set_bios_reset(); /* link reset */ outb(0x02, 0x0cf9); outb(0x06, 0x0cf9); }