2 * This file is part of the coreboot project.
4 * Copyright (C) 2008 Arastra, Inc.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include <console/console.h>
22 #include <device/device.h>
23 #include <device/pci.h>
24 #include <device/pci_ids.h>
25 #include <device/pci_ops.h>
28 static void ehci_init(struct device *dev)
32 static void ehci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
35 access_cntl = pci_read_config8(dev, 0x80);
36 /* Enable writes to protected registers */
37 pci_write_config8(dev, 0x80, access_cntl | 1);
38 /* Write the subsystem vendor and device id */
39 pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
40 ((device & 0xffff) << 16) | (vendor & 0xffff));
41 /* Restore protection */
42 pci_write_config8(dev, 0x80, access_cntl);
45 static struct pci_operations lops_pci = {
46 .set_subsystem = &ehci_set_subsystem,
48 static struct device_operations ehci_ops = {
49 .read_resources = pci_dev_read_resources,
50 .set_resources = pci_dev_set_resources,
51 .enable_resources = pci_dev_enable_resources,
54 .enable = i3100_enable,
58 static const struct pci_driver ehci_driver __pci_driver = {
60 .vendor = PCI_VENDOR_ID_INTEL,
61 .device = PCI_DEVICE_ID_INTEL_3100_EHCI,
64 static const struct pci_driver ehci_driver_ep80579 __pci_driver = {
66 .vendor = PCI_VENDOR_ID_INTEL,
67 .device = PCI_DEVICE_ID_INTEL_EP80579_EHCI,