PcAtChipsetPkg: Add MMIO Support to RTC driver

[mirror_edk2.git] / PcAtChipsetPkg / PcAtChipsetPkg.dec

diff --git a/PcAtChipsetPkg/PcAtChipsetPkg.dec b/PcAtChipsetPkg/PcAtChipsetPkg.dec
index 88de5cceea593176c3a2425a5963b66b789f2b9e..ed2d95550b8d153995b30cdc290cf3bb905e211b 100644 (file)
--- a/PcAtChipsetPkg/PcAtChipsetPkg.dec
+++ b/PcAtChipsetPkg/PcAtChipsetPkg.dec
@@ -6,6 +6,7 @@
 #\r
 # Copyright (c) 2009 - 2019, Intel Corporation. All rights reserved.<BR>\r
 # Copyright (c) 2017, AMD Inc. All rights reserved.<BR>\r
+# Copyright (c) 2018 - 2020, ARM Limited. All rights reserved.<BR>\r
 #\r
 # SPDX-License-Identifier: BSD-2-Clause-Patent\r
 #\r
@@ -41,6 +42,13 @@
   # @Prompt Configure HPET to use MSI.\r
   gPcAtChipsetPkgTokenSpaceGuid.PcdHpetMsiEnable|TRUE|BOOLEAN|0x00001000\r
 \r
+  ## Indicates the RTC port registers are in MMIO space, or in I/O space.\r
+  #  Default is I/O space.<BR><BR>\r
+  #   TRUE  - RTC port registers are in MMIO space.<BR>\r
+  #   FALSE - RTC port registers are in I/O space.<BR>\r
+  # @Prompt RTC port registers use MMIO.\r
+  gPcAtChipsetPkgTokenSpaceGuid.PcdRtcUseMmio|FALSE|BOOLEAN|0x00000021\r
+\r
 [PcdsFixedAtBuild, PcdsDynamic, PcdsDynamicEx, PcdsPatchableInModule]\r
   ## This PCD specifies the base address of the HPET timer.\r
   # @Prompt HPET base address.\r
@@ -68,6 +76,14 @@
   # @Expression 0x80000001 | gPcAtChipsetPkgTokenSpaceGuid.PcdMaximalValidYear < gPcAtChipsetPkgTokenSpaceGuid.PcdMinimalValidYear + 100\r
   gPcAtChipsetPkgTokenSpaceGuid.PcdMaximalValidYear|2097|UINT16|0x0000000E\r
 \r
+  ## Specifies RTC Index Register address in MMIO space.\r
+  # @Prompt RTC Index Register address\r
+  gPcAtChipsetPkgTokenSpaceGuid.PcdRtcIndexRegister64|0x0|UINT64|0x00000022\r
+\r
+  ## Specifies RTC Target Register address in MMIO space.\r
+  # @Prompt RTC Target Register address\r
+  gPcAtChipsetPkgTokenSpaceGuid.PcdRtcTargetRegister64|0x0|UINT64|0x00000023\r
+\r
 [PcdsFixedAtBuild, PcdsPatchableInModule]\r
   ## Defines the ACPI register set base address.\r
   #  The invalid 0xFFFF is as its default value. It must be configured to the real value.\r