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/*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#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_func1_init(struct device *dev)
{
u32 reg32;
/* IGD needs to be Bus Master, also enable IO accesss */
reg32 = pci_read_config32(dev, PCI_COMMAND);
pci_write_config32(dev, PCI_COMMAND, reg32 |
PCI_COMMAND_MASTER | PCI_COMMAND_IO);
}
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 struct device_operations gma_func1_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = gma_func1_init,
.scan_bus = 0,
.enable = 0,
.ops_pci = &gma_pci_ops,
};
static const struct pci_driver i945_gma_func0_driver __pci_driver = {
.ops = &gma_func0_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x27a2,
};
static const struct pci_driver i945_gma_func1_driver __pci_driver = {
.ops = &gma_func1_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x27a6,
};
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