-/**\r
- See if century register of RTC is valid.\r
-\r
- @retval EFI_SUCCESS Century register is valid.\r
- @retval EFI_DEVICE_ERROR Century register is NOT valid.\r
-**/\r
-EFI_STATUS\r
-RtcTestCenturyRegister (\r
- VOID\r
- )\r
-{\r
- UINT8 Century;\r
- UINT8 Temp;\r
-\r
- Century = RtcRead (RTC_ADDRESS_CENTURY);\r
- Temp = (UINT8) (RtcRead (RTC_ADDRESS_CENTURY) & 0x7f);\r
- RtcWrite (RTC_ADDRESS_CENTURY, Century);\r
- if (Temp == 0x19 || Temp == 0x20) {\r
- return EFI_SUCCESS;\r
- }\r
-\r
- return EFI_DEVICE_ERROR;\r
-}\r