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 1a5f24efbf3e18eff57df3e1ff861bc73de73734..136eec95a3f8ab8397801ff79176a9efe30f0181 100644 (file)
--- a/MdeModulePkg/MdeModulePkg.uni
+++ b/MdeModulePkg/MdeModulePkg.uni
@@ -997,3 +997,12 @@
 #string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdMaxRepairCount_PROMPT  #language en-US "MAX repair count"\r
 \r
 #string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdMaxRepairCount_HELP  #language en-US "This PCD defines the MAX repair count. The default value is 0 that means infinite.<BR>"\r
+\r
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdPciDegradeResourceForOptionRom_PROMPT  #language en-US "Degrade 64-bit PCI MMIO BARs for legacy BIOS option ROMs"\r
+\r
+#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>"\r
+                                                                                                   "On X64 platforms, Option ROMs may contain code that executes in the context of a legacy BIOS (CSM),"\r
+                                                                                                   "which requires that all PCI MMIO BARs are located below 4 GB.<BR>"\r
+                                                                                                   "TRUE  - All PCI MMIO BARs of a device will be located below 4 GB if it has an option ROM.<BR>"\r
+                                                                                                   "FALSE - PCI MMIO BARs of a device may be located above 4 GB even if it has an option ROM.<BR>"\r
+\r