| /* |
| * 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, |
| }; |