| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2008-2009 coresystems GmbH |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc. |
| */ |
| |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| |
| static void gma_func0_init(struct device *dev) |
| { |
| u32 reg32; |
| |
| /* IGD needs to be bus master. */ |
| reg32 = pci_read_config32(dev, PCI_COMMAND); |
| pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER); |
| |
| pci_dev_init(dev); |
| } |
| |
| static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device) |
| { |
| if (!vendor || !device) { |
| pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, |
| pci_read_config32(dev, PCI_VENDOR_ID)); |
| } else { |
| pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, |
| ((device & 0xffff) << 16) | (vendor & 0xffff)); |
| } |
| } |
| |
| static struct pci_operations gma_pci_ops = { |
| .set_subsystem = gma_set_subsystem, |
| }; |
| |
| static struct device_operations gma_func0_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = gma_func0_init, |
| .scan_bus = 0, |
| .enable = 0, |
| .ops_pci = &gma_pci_ops, |
| }; |
| |
| static const struct pci_driver sch_gma_func0_driver __pci_driver = { |
| .ops = &gma_func0_ops, |
| .vendor = PCI_VENDOR_ID_INTEL, |
| .device = 0x8108, |
| }; |