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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2014 Google Inc.
* Copyright (C) 2015-2017 Intel Corporation.
*
* 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.
*/
#include <arch/io.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <intelblocks/xdci.h>
#include <security/vboot/vboot_common.h>
__attribute__((weak)) void soc_xdci_init(struct device *dev) { /* no-op */ }
/* Only allow xDCI controller in developer mode if VBOOT is enabled */
int xdci_can_enable(void)
{
if (IS_ENABLED(CONFIG_VBOOT))
return vboot_developer_mode_enabled() ? 1 : 0;
else
return 1;
}
static struct device_operations usb_xdci_ops = {
.read_resources = &pci_dev_read_resources,
.set_resources = &pci_dev_set_resources,
.enable_resources = &pci_dev_enable_resources,
.init = soc_xdci_init,
.ops_pci = &pci_dev_ops_pci,
};
static const unsigned short pci_device_ids[] = {
PCI_DEVICE_ID_INTEL_APL_XDCI,
PCI_DEVICE_ID_INTEL_CNL_LP_XDCI,
PCI_DEVICE_ID_INTEL_GLK_XDCI,
PCI_DEVICE_ID_INTEL_SPT_LP_XDCI,
0
};
static const struct pci_driver pch_usb_xdci __pci_driver = {
.ops = &usb_xdci_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.devices = pci_device_ids,
};
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