src/southbridge/broadcom/bcm5780/bcm5780_pcie.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
  12 static void pcie_init(struct device *dev)
  13 {
  14
  15         /* Enable pci error detecting */
  16         uint32_t dword;
  17
  18         /* System error enable */
  19         dword = pci_read_config32(dev, 0x04);
  20         dword |= (1<<8); /* System error enable */
  21         dword |= (1<<30); /* Clear possible errors */
  22         pci_write_config32(dev, 0x04, dword);
  23
  24 }
  25
  26 static struct pci_operations lops_pci = {
  27         .set_subsystem = 0,
  28 };
  29
  30 static struct device_operations pcie_ops  = {
  31         .read_resources   = pci_bus_read_resources,
  32         .set_resources    = pci_dev_set_resources,
  33         .enable_resources = pci_bus_enable_resources,
  34         .init             = pcie_init,
  35         .scan_bus         = pci_scan_bridge,
  36         .reset_bus        = pci_bus_reset,
  37         .ops_pci          = &lops_pci,
  38
  39 };
  40
  41 static const struct pci_driver pcie_driver __pci_driver = {
  42         .ops    = &pcie_ops,
  43         .vendor = PCI_VENDOR_ID_SERVERWORKS,
  44         .device = PCI_DEVICE_ID_SERVERWORKS_BCM5780_PCIE,
  45 };
  46