src/southbridge/broadcom/bcm5785/bcm5785_usb.c

   1 /*
   2  * Copyright  2005 AMD
   3  *  by yinghai.lu@amd.com
   4  */
   5
   6 #include <console/console.h>
   7 #include <device/device.h>
   8 #include <device/pci.h>
   9 #include <device/pci_ids.h>
  10 #include <device/pci_ops.h>
  11 #include "bcm5785.h"
  12
  13 static void usb_init(struct device *dev)
  14 {
  15         uint32_t dword;
  16
  17         dword = pci_read_config32(dev, 0x04);
  18         dword |= (1<<2)|(1<<1)|(1<<0);
  19         pci_write_config32(dev, 0x04, dword);
  20
  21         pci_write_config8(dev, 0x41, 0x00); // Serversworks said
  22
  23 }
  24
  25 static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
  26 {
  27         pci_write_config32(dev, 0x40,
  28                 ((device & 0xffff) << 16) | (vendor & 0xffff));
  29 }
  30 static struct pci_operations lops_pci = {
  31         .set_subsystem = lpci_set_subsystem,
  32 };
  33
  34 static struct device_operations usb_ops  = {
  35         .read_resources   = pci_dev_read_resources,
  36         .set_resources    = pci_dev_set_resources,
  37         .enable_resources = pci_dev_enable_resources,
  38         .init             = usb_init,
  39 //      .enable           = bcm5785_enable,
  40         .scan_bus         = 0,
  41         .ops_pci          = &lops_pci,
  42 };
  43
  44 static const struct pci_driver usb_driver __pci_driver = {
  45         .ops    = &usb_ops,
  46         .vendor = PCI_VENDOR_ID_SERVERWORKS,
  47         .device = PCI_DEVICE_ID_SERVERWORKS_BCM5785_USB,
  48 };
  49