diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb-RTSM-A8.dsc b/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb-RTSM-A8.dsc
index 1ab0479dbc..7d13dbf088 100644
--- a/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb-RTSM-A8.dsc
+++ b/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb-RTSM-A8.dsc
@@ -350,6 +350,7 @@
   # Size of the region used by UEFI in permanent memory (Reserved 64MB)
   gArmPlatformTokenSpaceGuid.PcdSystemMemoryUefiRegionSize|0x04000000
   
+  gEmbeddedTokenSpaceGuid.PcdEmbeddedPerformanceCounterFrequencyInHz|1000000
   gEmbeddedTokenSpaceGuid.PcdTimerPeriod|100000        # expressed in 100ns units, 100,000 x 100 ns = 10,000,000 ns = 10 ms
   
   #
@@ -362,6 +363,11 @@
   #
   gArmRealViewEbPkgTokenSpaceGuid.PcdGdbUartBase|0x1000a000
   
+  #
+  # ARM PL011 - Serial Terminal
+  #
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase|0x10009000
+  
   #
   # ARM PL390 General Interrupt Controller
   #
diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb-RTSM-A9x2.dsc b/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb-RTSM-A9x2.dsc
index f1043421f4..1e9c82f2d4 100644
--- a/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb-RTSM-A9x2.dsc
+++ b/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb-RTSM-A9x2.dsc
@@ -354,6 +354,7 @@
   # Size of the region used by UEFI in permanent memory (Reserved 64MB)
   gArmPlatformTokenSpaceGuid.PcdSystemMemoryUefiRegionSize|0x04000000
   
+  gEmbeddedTokenSpaceGuid.PcdEmbeddedPerformanceCounterFrequencyInHz|1000000
   gEmbeddedTokenSpaceGuid.PcdTimerPeriod|100000        # expressed in 100ns units, 100,000 x 100 ns = 10,000,000 ns = 10 ms
   
   #
@@ -366,6 +367,11 @@
   #
   gArmRealViewEbPkgTokenSpaceGuid.PcdGdbUartBase|0x1000a000
   
+  #
+  # ARM PL011 - Serial Terminal
+  #
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase|0x10009000
+  
   #
   # ARM PL390 General Interrupt Controller
   #