/* Write RTC through its registers using MMIO access. */
STATIC VOID MmioRtcWrite(IN UINTN Address, IN UINT8 Data)
/* Write RTC through its registers using MMIO access. */
STATIC VOID MmioRtcWrite(IN UINTN Address, IN UINT8 Data)
{
  MmioWrite8 (
    mRtcIndexRegister,
    (UINT8)(Address | (UINT8)(MmioRead8 (mRtcIndexRegister) & 0x80))
    );
  MmioWrite8 (mRtcTargetRegister, Data);
}