MdeModulePkg PCD: Add DynamicEx PcdVpdBaseAddress64 for non SPI platform

[mirror_edk2.git] / MdeModulePkg / MdeModulePkg.dec

diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 0abacc1a901f348600328645d479753f68a53b82..41d2b043519741f4decc75d55c7242dea5b87ea0 100644 (file)
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -2022,5 +2022,13 @@
   # @Prompt NV Storage Default Value Buffer\r
   gEfiMdeModulePkgTokenSpaceGuid.PcdNvStoreDefaultValueBuffer|{0x0}|VOID*|0x00030005\r
 \r
+  ## VPD type PCD allows a developer to point to an absolute physical address PcdVpdBaseAddress64\r
+  #  to store PCD value. It will be DynamicExDefault only.\r
+  #  It is used to set VPD region base address. So, it can't be DynamicExVpd PCD. Its value is\r
+  #  required to be accessed in PcdDxe driver entry point. So, its value must be set in PEI phase.\r
+  #  It can't depend on EFI variable service, and can't be DynamicExHii PCD.\r
+  # @Prompt 64bit VPD base address.\r
+  gEfiMdeModulePkgTokenSpaceGuid.PcdVpdBaseAddress64|0x0|UINT64|0x00030006\r
+\r
 [UserExtensions.TianoCore."ExtraFiles"]\r
   MdeModulePkgExtra.uni\r