C++ (Cpp) GnbLibIoRMW示例

示例#1

文件： GnbSbPcie.c 项目： Godkey/coreboot

AGESA_STATUS
SbPcieInitAspm (
  IN      PCIE_ASPM_TYPE       Aspm,
  IN      AMD_CONFIG_PARAMS   *StdHeader
  )
{
  UINT16        AlinkPort;

  AlinkPort = SbGetAlinkIoAddress (StdHeader);
  ASSERT (AlinkPort != 0);
  if (AlinkPort == 0) {
    return AGESA_UNSUPPORTED;
  }
  GnbLibIoRMW (AlinkPort, AccessS3SaveWidth32, 0x0, 0x40000038, StdHeader);
  GnbLibIoRMW (AlinkPort + 4, AccessS3SaveWidth32, 0x0, 0xA0, StdHeader);
  GnbLibIoRMW (AlinkPort, AccessS3SaveWidth32, 0x0, 0x4000003c, StdHeader);
  GnbLibIoRMW (AlinkPort + 4, AccessS3SaveWidth32, 0xffff00ff, 0x6900, StdHeader);
  GnbLibIoRMW (AlinkPort, AccessS3SaveWidth32, 0x0, 0x80000068, StdHeader);
  GnbLibIoRMW (AlinkPort + 4, AccessS3SaveWidth32, 0xfffffffc, Aspm, StdHeader);
  return AGESA_SUCCESS;
}

示例#2

文件： PcieSbLink.c 项目： AdriDlu/coreboot

AGESA_STATUS
PcieSbInitAspm (
  IN      PCIE_ASPM_TYPE       Aspm,
  IN      AMD_CONFIG_PARAMS   *StdHeader
  )
{
  AGESA_STATUS  Status;
  UINT16        AlinkPort;

  Status = PcieSbAgetAlinkIoAddress (&AlinkPort, StdHeader);
  if (Status != AGESA_SUCCESS) {
    return Status;
  }
  GnbLibIoRMW (AlinkPort, AccessS3SaveWidth32, 0x0, 0x40000038, StdHeader);
  GnbLibIoRMW (AlinkPort + 4, AccessS3SaveWidth32, 0x0, 0xA0, StdHeader);
  GnbLibIoRMW (AlinkPort, AccessS3SaveWidth32, 0x0, 0x4000003c, StdHeader);
  GnbLibIoRMW (AlinkPort + 4, AccessS3SaveWidth32, 0xffff00ff, 0x6900, StdHeader);
  GnbLibIoRMW (AlinkPort, AccessS3SaveWidth32, 0x0, 0x80000068, StdHeader);
  GnbLibIoRMW (AlinkPort + 4, AccessS3SaveWidth32, 0xfffffffc, Aspm, StdHeader);
  return AGESA_SUCCESS;
}