| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2011 Chromium OS Authors |
| * |
| * 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 <arch/io.h> |
| #include <console/console.h> |
| #include <delay.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| |
| #include "chip.h" |
| #include "northbridge.h" |
| |
| |
| /* some vga option roms are used for several chipsets but they only have one |
| * PCI ID in their header. If we encounter such an option rom, we need to do |
| * the mapping ourselfes |
| */ |
| |
| u32 map_oprom_vendev(u32 vendev) |
| { |
| u32 new_vendev=vendev; |
| |
| switch (vendev) { |
| case 0x80860102: /* GT1 Desktop */ |
| case 0x8086010a: /* GT1 Server */ |
| case 0x80860112: /* GT2 Desktop */ |
| case 0x80860116: /* GT2 Mobile */ |
| case 0x80860122: /* GT2 Desktop >=1.3GHz */ |
| case 0x80860126: /* GT2 Mobile >=1.3GHz */ |
| case 0x80860166: /* IVB */ |
| new_vendev=0x80860106; /* GT1 Mobile */ |
| break; |
| } |
| |
| return new_vendev; |
| } |
| |
| 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 = pci_dev_init, |
| .scan_bus = 0, |
| .enable = 0, |
| .ops_pci = &gma_pci_ops, |
| }; |
| |
| static const unsigned short gma_ids[] = { |
| 0x0102, 0x0106, 0x010a, 0x0112, 0x0116, 0x0122, 0x0126, 0x166, |
| 0, |
| }; |
| static const struct pci_driver gma_gt1_desktop __pci_driver = { |
| .ops = &gma_func0_ops, |
| .vendor = PCI_VENDOR_ID_INTEL, |
| .devices= gma_ids, |
| }; |