1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2
3 #include <device/device.h>
4 #include <device/pci.h>
5 #include <device/pci_ids.h>
6 #include "i82371eb.h"
7
8 /**
9 * Initialize the USB (UHCI) controller.
10 *
11 * Depending on the configuration variable 'usb_enable', enable or
12 * disable the USB (UHCI) controller.
13 *
14 * @param dev The device to use.
15 */
usb_init(struct device * dev)16 static void usb_init(struct device *dev)
17 {
18 /* TODO: No special init needed? */
19 }
20
21 static const struct device_operations usb_ops = {
22 .read_resources = pci_dev_read_resources,
23 .set_resources = pci_dev_set_resources,
24 .enable_resources = pci_dev_enable_resources,
25 .init = usb_init,
26 .ops_pci = 0, /* No subsystem IDs on 82371EB! */
27 };
28
29 /* Note: No USB on 82371FB/MX (PIIX/MPIIX) and 82437MX. */
30
31 /* Intel 82371SB (PIIX3) */
32 static const struct pci_driver usb_driver_sb __pci_driver = {
33 .ops = &usb_ops,
34 .vendor = PCI_VID_INTEL,
35 .device = PCI_DID_INTEL_82371SB_USB,
36 };
37
38 /* Intel 82371AB/EB/MB (PIIX4/PIIX4E/PIIX4M) */
39 /* The 440MX (82443MX) consists of 82443BX + 82371EB (uses same PCI IDs). */
40 static const struct pci_driver usb_driver_ab_eb_mb __pci_driver = {
41 .ops = &usb_ops,
42 .vendor = PCI_VID_INTEL,
43 .device = PCI_DID_INTEL_82371AB_USB,
44 };
45