1/* 2 * This file is part of the coreboot project. 3 * 4 * Copyright (C) 2005 Tyan Computer 5 * (Written by Yinghai Lu <yinghailu@gmail.com> for Tyan Computer) 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22#include <console/console.h> 23#include <device/device.h> 24#include <device/pci.h> 25#include <device/pci_ids.h> 26 27static void pci_init(struct device *dev) 28{ 29 u16 reg16; 30 31 /* Clear possible errors. */ 32 reg16 = pci_read_config16(dev, PCI_STATUS); 33 reg16 |= 0xf900; 34 pci_write_config16(dev, PCI_STATUS, reg16); 35} 36 37static struct device_operations pci_ops = { 38 .read_resources = pci_bus_read_resources, 39 .set_resources = pci_dev_set_resources, 40 .enable_resources = pci_bus_enable_resources, 41 .init = pci_init, 42 .scan_bus = pci_scan_bridge, 43}; 44 45/* 82801AA (ICH) */ 46static const struct pci_driver i82801aa_pci __pci_driver = { 47 .ops = &pci_ops, 48 .vendor = PCI_VENDOR_ID_INTEL, 49 .device = 0x2418, 50}; 51 52/* 82801AB (ICH0) */ 53static const struct pci_driver i82801ab_pci __pci_driver = { 54 .ops = &pci_ops, 55 .vendor = PCI_VENDOR_ID_INTEL, 56 .device = 0x2428, 57}; 58