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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 - 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; 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 <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <arch/io.h>
#include <soc/pci_devs.h>
#include <soc/ramstage.h>
static void usb_xhci_init(struct device *dev)
{
/* USB XHCI configuration is handled by the FSP */
printk(BIOS_NOTICE, "pch: %s\n", __func__);
/* Set the value for PCI command register. */
pci_write_config16(dev, PCI_COMMAND,
PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
}
static struct device_operations usb_xhci_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = usb_xhci_init,
.enable = pci_dev_enable_resources,
.scan_bus = 0,
.ops_pci = &soc_pci_ops,
};
static const struct pci_driver pch_usb_xhci __pci_driver = {
.ops = &usb_xhci_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = XHCI_DEVID,
};
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