2 * This file is part of the coreboot project.
4 * Copyright (C) 2005 Tyan Computer
5 * (Written by Yinghai Lu <yinghailu@gmail.com> for Tyan Computer)
6 * Copyright (C) 2005 Digital Design Corporation
7 * (Written by Steven J. Magnani <steve@digidescorp.com> for Digital Design)
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
24 #include <console/console.h>
25 #include <device/device.h>
26 #include <device/pci.h>
27 #include <device/pci_ids.h>
30 typedef struct southbridge_intel_i82801bx_config config_t;
32 static void ide_init(struct device *dev)
35 config_t *conf = dev->chip_info;
37 reg16 = pci_read_config16(dev, IDE_TIM_PRI);
38 reg16 &= ~IDE_DECODE_ENABLE;
39 if (!conf || conf->ide0_enable)
40 reg16 |= IDE_DECODE_ENABLE;
41 printk(BIOS_DEBUG, "IDE: %s IDE interface: %s\n", "Primary",
42 conf->ide0_enable ? "on" : "off");
43 pci_write_config16(dev, IDE_TIM_PRI, reg16);
45 reg16 = pci_read_config16(dev, IDE_TIM_SEC);
46 reg16 &= ~IDE_DECODE_ENABLE;
47 if (!conf || conf->ide1_enable)
48 reg16 |= IDE_DECODE_ENABLE;
49 printk(BIOS_DEBUG, "IDE: %s IDE interface: %s\n", "Secondary",
50 conf->ide0_enable ? "on" : "off");
51 pci_write_config16(dev, IDE_TIM_SEC, reg16);
54 static struct device_operations ide_ops = {
55 .read_resources = pci_dev_read_resources,
56 .set_resources = pci_dev_set_resources,
57 .enable_resources = pci_dev_enable_resources,
60 .enable = i82801bx_enable,
63 /* 82801BA/BAM (ICH2/ICH2-M) */
64 static const struct pci_driver i82801ba_ide __pci_driver = {
66 .vendor = PCI_VENDOR_ID_INTEL,