2 * This file is part of the coreboot project.
4 * Copyright (C) 2004 Tyan Computer
5 * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer.
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; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include <console/console.h>
22 #include <device/device.h>
23 #include <device/pci.h>
24 #include <device/pci_ids.h>
25 #include <device/pci_ops.h>
28 static void ide_init(struct device *dev)
30 struct southbridge_nvidia_ck804_config *conf;
35 conf = dev->chip_info;
37 word = pci_read_config16(dev, 0x50);
38 /* Ensure prefetch is disabled. */
39 word &= ~((1 << 15) | (1 << 13));
40 if (conf->ide1_enable) {
41 /* Enable secondary IDE interface. */
43 printk(BIOS_DEBUG, "IDE1 \t");
45 if (conf->ide0_enable) {
46 /* Enable primary IDE interface. */
48 printk(BIOS_DEBUG, "IDE0\n");
54 pci_write_config16(dev, 0x50, word);
56 byte = 0x20; /* Latency: 64 --> 32 */
57 pci_write_config8(dev, 0xd, byte);
59 dword = pci_read_config32(dev, 0xf8);
61 pci_write_config32(dev, 0xf8, dword);
63 #if CONFIG_PCI_ROM_RUN == 1
68 static struct device_operations ide_ops = {
69 .read_resources = pci_dev_read_resources,
70 .set_resources = pci_dev_set_resources,
71 .enable_resources = pci_dev_enable_resources,
74 // .enable = ck804_enable,
75 .ops_pci = &ck804_pci_ops,
78 static const struct pci_driver ide_driver __pci_driver = {
80 .vendor = PCI_VENDOR_ID_NVIDIA,
81 .device = PCI_DEVICE_ID_NVIDIA_CK804_IDE,