2 * This file is part of the coreboot project.
4 * Copyright (C) 2010 Advanced Micro Devices, Inc.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include <console/console.h>
21 #include <device/device.h>
22 #include <device/pci.h>
23 #include <device/pci_ids.h>
24 #include <device/pci_ops.h>
27 static void ide_init(struct device *dev)
29 struct southbridge_amd_sb700_config *conf;
30 /* Enable ide devices so the linux ide driver will work */
34 conf = dev->chip_info;
36 /* RPR9.1 disable MSI */
37 /* TODO: For A14, it should set as 1. I doubt it. */
38 dword = pci_read_config32(dev, 0x70);
40 pci_write_config32(dev, 0x70, dword);
42 /* Enable UDMA on all devices, it will become UDMA0 (default PIO is PIO0) */
43 byte = pci_read_config8(dev, 0x54);
45 pci_write_config8(dev, 0x54, byte);
47 /* Enable I/O Access&& Bus Master */
48 dword = pci_read_config16(dev, 0x4);
50 pci_write_config16(dev, 0x4, dword);
52 /* set ide as primary, if you want to boot from IDE, you'd better set it
53 * in $vendor/$mainboard/devicetree.cb */
56 if (conf->boot_switch_sata_ide == 1) {
57 struct device *sm_dev = dev_find_slot(0, PCI_DEVFN(0x14, 0));
58 byte = pci_read_config8(sm_dev, 0xAD);
60 pci_write_config8(sm_dev, 0xAD, byte);
63 #if CONFIG_PCI_ROM_RUN == 1
68 static struct pci_operations lops_pci = {
69 .set_subsystem = pci_dev_set_subsystem,
72 static struct device_operations ide_ops = {
73 .read_resources = pci_dev_read_resources,
74 .set_resources = pci_dev_set_resources,
75 .enable_resources = pci_dev_enable_resources,
81 static const struct pci_driver ide_driver __pci_driver = {
83 .vendor = PCI_VENDOR_ID_ATI,
84 .device = PCI_DEVICE_ID_ATI_SB700_IDE,