PcAtChipsetPkg/PcRtc: Add two new PCD for RTC Index/Target registers

[mirror_edk2.git] / PcAtChipsetPkg / PcatRealTimeClockRuntimeDxe / PcRtc.h

diff --git a/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.h b/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.h
index 7fc19f90434efb71e6f72822c602d663cdb1c2cb..3b68f8cc9ed9c240ebfb46a2dc4db18b6807e015 100644 (file)
--- a/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.h
+++ b/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.h
@@ -1,7 +1,9 @@
 /** @file\r
   Header file for real time clock driver.\r
 \r
-Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2017, AMD Inc. All rights reserved.<BR>\r
+\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -45,9 +47,6 @@ typedef struct {
 \r
 extern PC_RTC_MODULE_GLOBALS  mModuleGlobal;\r
 \r
-#define PCAT_RTC_ADDRESS_REGISTER 0x70\r
-#define PCAT_RTC_DATA_REGISTER    0x71\r
-\r
 //\r
 // Dallas DS12C887 Real Time Clock\r
 //\r
@@ -75,13 +74,6 @@ extern PC_RTC_MODULE_GLOBALS  mModuleGlobal;
 #define RTC_INIT_DAY    1\r
 #define RTC_INIT_MONTH  1\r
 \r
-//\r
-// Register initial values\r
-//\r
-#define RTC_INIT_REGISTER_A 0x26\r
-#define RTC_INIT_REGISTER_B 0x02\r
-#define RTC_INIT_REGISTER_D 0x0\r
-\r
 #pragma pack(1)\r
 //\r
 // Register A\r
@@ -359,6 +351,16 @@ IsLeapYear (
   IN EFI_TIME   *Time\r
   );\r
 \r
+/**\r
+  Get the century RTC address from the ACPI FADT table.\r
+\r
+  @return  The century RTC address or 0 if not found.\r
+**/\r
+UINT8\r
+GetCenturyRtcAddress (\r
+  VOID\r
+  );\r
+\r
 /**\r
   Notification function of ACPI Table change.\r
 \r