MdeModulePkg: Add PcdPciDegradeResourceForOptionRom prompt&help to UNI
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Dandan Bi <dandan.bi@intel.com>
diff --git a/MdeModulePkg/MdeModulePkg.uni b/MdeModulePkg/MdeModulePkg.uni
index 1a5f24e..136eec9 100644
--- a/MdeModulePkg/MdeModulePkg.uni
+++ b/MdeModulePkg/MdeModulePkg.uni
@@ -997,3 +997,12 @@
#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdMaxRepairCount_PROMPT #language en-US "MAX repair count"
#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdMaxRepairCount_HELP #language en-US "This PCD defines the MAX repair count. The default value is 0 that means infinite.<BR>"
+
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdPciDegradeResourceForOptionRom_PROMPT #language en-US "Degrade 64-bit PCI MMIO BARs for legacy BIOS option ROMs"
+
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdPciDegradeResourceForOptionRom_HELP #language en-US "Indicates whether 64-bit PCI MMIO BARs should degrade to 32-bit in the presence of an option ROM.<BR>"
+ "On X64 platforms, Option ROMs may contain code that executes in the context of a legacy BIOS (CSM),"
+ "which requires that all PCI MMIO BARs are located below 4 GB.<BR>"
+ "TRUE - All PCI MMIO BARs of a device will be located below 4 GB if it has an option ROM.<BR>"
+ "FALSE - PCI MMIO BARs of a device may be located above 4 GB even if it has an option ROM.<BR>"
+
