src/southbridge/intel/i82371eb/usb.c

   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  */
  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 };