src/southbridge/nvidia/ck804/ck804_usb2.c

   1 /*
   2  * Copyright 2004 Tyan Computer
   3  *  by yhlu@tyan.com
   4  */
   5 #include <console/console.h>
   6 #include <device/device.h>
   7 #include <device/pci.h>
   8 #include <device/pci_ids.h>
   9 #include <device/pci_ops.h>
  10 #include "ck804.h"
  11
  12 static void usb2_init(struct device *dev)
  13 {
  14
  15         uint32_t dword;
  16         dword = pci_read_config32(dev, 0xf8);
  17         dword |= 40;
  18         pci_write_config32(dev, 0xf8, dword);
  19 }
  20
  21 static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
  22 {
  23         pci_write_config32(dev, 0x40,
  24                 ((device & 0xffff) << 16) | (vendor & 0xffff));
  25 }
  26 static struct pci_operations lops_pci = {
  27         .set_subsystem = lpci_set_subsystem,
  28 };
  29
  30 static struct device_operations usb2_ops  = {
  31         .read_resources   = pci_dev_read_resources,
  32         .set_resources    = pci_dev_set_resources,
  33         .enable_resources = pci_dev_enable_resources,
  34         .init             = usb2_init,
  35 //      .enable           = ck804_enable,
  36         .scan_bus         = 0,
  37         .ops_pci          = &lops_pci,
  38 };
  39
  40 static const struct pci_driver usb2_driver __pci_driver = {
  41         .ops    = &usb2_ops,
  42         .vendor = PCI_VENDOR_ID_NVIDIA,
  43         .device = PCI_DEVICE_ID_NVIDIA_CK804_USB2,
  44 };