src/southbridge/intel/esb6300/pci.c

   1 #include <console/console.h>
   2 #include <device/device.h>
   3 #include <device/pci.h>
   4 #include <device/pci_ids.h>
   5 #include <device/pci_ops.h>
   6 #include "esb6300.h"
   7
   8 static void pci_init(struct device *dev)
   9 {
  10
  11         uint16_t word;
  12
  13         /* Clear system errors */
  14         word = pci_read_config16(dev, 0x06);
  15         word |= 0xf900; /* Clear possible errors */
  16         pci_write_config16(dev, 0x06, word);
  17
  18         word = pci_read_config16(dev, 0x1e);
  19         word |= 0xf800; /* Clear possible errors */
  20         pci_write_config16(dev, 0x1e, word);
  21 }
  22
  23 static struct device_operations pci_ops  = {
  24         .read_resources   = pci_bus_read_resources,
  25         .set_resources    = pci_dev_set_resources,
  26         .enable_resources = pci_bus_enable_resources,
  27         .init             = pci_init,
  28         .scan_bus         = pci_scan_bridge,
  29         .ops_pci          = 0,
  30 };
  31
  32 static const struct pci_driver pci_driver __pci_driver = {
  33         .ops    = &pci_ops,
  34         .vendor = PCI_VENDOR_ID_INTEL,
  35         .device = PCI_DEVICE_ID_INTEL_6300ESB_PCI,
  36 };
  37