2 * This file is part of the coreboot project.
4 * Copyright (C) 2008-2009 coresystems GmbH
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>
25 static void gma_func0_init(struct device *dev)
29 /* IGD needs to be Bus Master */
30 reg32 = pci_read_config32(dev, PCI_COMMAND);
31 pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER);
36 static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device)
38 if (!vendor || !device) {
39 pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
40 pci_read_config32(dev, PCI_VENDOR_ID));
42 pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
43 ((device & 0xffff) << 16) | (vendor & 0xffff));
47 static struct pci_operations gma_pci_ops = {
48 .set_subsystem = gma_set_subsystem,
51 static struct device_operations gma_func0_ops = {
52 .read_resources = pci_dev_read_resources,
53 .set_resources = pci_dev_set_resources,
54 .enable_resources = pci_dev_enable_resources,
55 .init = gma_func0_init,
58 .ops_pci = &gma_pci_ops,
62 static const struct pci_driver sch_gma_func0_driver __pci_driver = {
63 .ops = &gma_func0_ops,
64 .vendor = PCI_VENDOR_ID_INTEL,