src/soc/amd/picasso/usb.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; version 2 of the License.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #include <console/console.h>
  16 #include <device/device.h>
  17 #include <device/pci.h>
  18 #include <device/pci_ids.h>
  19 #include <device/pci_ops.h>
  20 #include <device/pci_ehci.h>
  21 #include <soc/acpi.h>
  22 #include <soc/pci_devs.h>
  23 #include <soc/southbridge.h>
  24 #include <amdblocks/acpimmio.h>
  25
  26 static void picasso_usb_init(struct device *dev)
  27 {
  28         /* USB overcurrent configuration is programmed inside the FSP */
  29
  30         printk(BIOS_DEBUG, "%s\n", __func__);
  31 }
  32
  33 static struct pci_operations lops_pci = {
  34         .set_subsystem = pci_dev_set_subsystem,
  35 };
  36
  37 static struct device_operations usb_ops = {
  38         .read_resources = pci_dev_read_resources,
  39         .set_resources = pci_dev_set_resources,
  40         .enable_resources = pci_dev_enable_resources,
  41         .init = picasso_usb_init,
  42         .scan_bus = scan_static_bus,
  43         .acpi_name = soc_acpi_name,
  44         .ops_pci = &lops_pci,
  45 };
  46
  47 static const unsigned short pci_device_ids[] = {
  48         PCI_DEVICE_ID_AMD_PCO_XHCI0,
  49         PCI_DEVICE_ID_AMD_PCO_XHCI1,
  50         PCI_DEVICE_ID_AMD_DALI_XHCI,
  51         0
  52 };
  53
  54 static const struct pci_driver usb_0_driver __pci_driver = {
  55         .ops = &usb_ops,
  56         .vendor = PCI_VENDOR_ID_AMD,
  57         .devices = pci_device_ids,
  58 };