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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016-2017 Intel Corp.
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*/
#include <arch/acpi.h>
#include <arch/acpigen.h>
#include <console/console.h>
#include <fsp/util.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <soc/pci_devs.h>
#include <drivers/intel/gma/opregion.h>
uintptr_t fsp_soc_get_igd_bar(void)
{
device_t dev = SA_DEV_IGD;
/* Check if IGD PCI device is disabled */
if (!dev->enabled)
return 0;
return find_resource(dev, PCI_BASE_ADDRESS_2)->base;
}
static unsigned long igd_write_opregion(device_t dev, unsigned long current,
struct acpi_rsdp *rsdp)
{
igd_opregion_t *opregion;
printk(BIOS_DEBUG, "ACPI: * IGD OpRegion\n");
opregion = (igd_opregion_t *)current;
if (intel_gma_init_igd_opregion(opregion) != CB_SUCCESS)
return current;
current += sizeof(igd_opregion_t);
return acpi_align_current(current);
}
static const struct device_operations igd_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = pci_dev_init,
.write_acpi_tables = igd_write_opregion,
.enable = DEVICE_NOOP
};
static const unsigned short pci_device_ids[] = {
PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_1,
PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_2,
PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_3,
PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_4,
PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_1,
PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_2,
PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_3,
PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_4,
0,
};
static const struct pci_driver integrated_graphics_driver __pci_driver = {
.ops = &igd_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.devices = pci_device_ids,
};
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