diff --git a/Platform/Socionext/DeveloperBox/DeveloperBox.dsc b/Platform/Socionext/DeveloperBox/DeveloperBox.dsc
index ed11aed798b7..da450a132798 100644
--- a/Platform/Socionext/DeveloperBox/DeveloperBox.dsc
+++ b/Platform/Socionext/DeveloperBox/DeveloperBox.dsc
@@ -28,6 +28,8 @@
   FLASH_DEFINITION               = Platform/Socionext/DeveloperBox/DeveloperBox.fdf
   BUILD_NUMBER                   = 1
 
+  DEFINE DEBUG_ON_UART1          = FALSE
+
 [BuildOptions]
   RELEASE_*_*_CC_FLAGS  = -DMDEPKG_NDEBUG -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
 
@@ -120,9 +122,17 @@
   DebugAgentLib|MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf
   DebugAgentTimerLib|EmbeddedPkg/Library/DebugAgentTimerLibNull/DebugAgentTimerLibNull.inf
   PL011UartClockLib|ArmPlatformPkg/Library/PL011UartClockLib/PL011UartClockLib.inf
-  SerialPortLib|ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf
   PL011UartLib|ArmPlatformPkg/Library/PL011UartLib/PL011UartLib.inf
 
+!if $(DEBUG_ON_UART1) == FALSE
+  SerialPortLib|ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf
+!else
+  SerialPortLib|MdeModulePkg/Library/BaseSerialPortLib16550/BaseSerialPortLib16550.inf
+  PlatformHookLib|MdeModulePkg/Library/BasePlatformHookLibNull/BasePlatformHookLibNull.inf
+  PciLib|MdePkg/Library/BasePciLibPciExpress/BasePciLibPciExpress.inf
+  PciExpressLib|MdePkg/Library/BasePciExpressLib/BasePciExpressLib.inf
+!endif
+
   HttpLib|MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.inf
   TcpIoLib|MdeModulePkg/Library/DxeTcpIoLib/DxeTcpIoLib.inf
 
@@ -253,13 +263,26 @@
 !endif
 
   ## PL011 - Serial Terminal
-  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase|0x2a400000
-  gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate|115200
-  gEfiMdePkgTokenSpaceGuid.PcdUartDefaultReceiveFifoDepth|0
   gArmPlatformTokenSpaceGuid.PL011UartInteger|0
   gArmPlatformTokenSpaceGuid.PL011UartFractional|0
   gArmPlatformTokenSpaceGuid.PL011UartClkInHz|62500000
 
+  ## DesignWare FUART
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialUseMmio|TRUE
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialUseHardwareFlowControl|FALSE
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialClockRate|62500000
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterStride|4
+
+  ## Shared UART settings
+  gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate|115200
+  gEfiMdePkgTokenSpaceGuid.PcdUartDefaultReceiveFifoDepth|0
+
+!if $(DEBUG_ON_UART1) == FALSE
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase|0x2a400000
+!else
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase|0x51040000
+!endif
+
   #
   # ARM Generic Interrupt Controller
   #
@@ -505,7 +528,16 @@
   }
 
   MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabaseDxe.inf
-  MdeModulePkg/Universal/SerialDxe/SerialDxe.inf
+  MdeModulePkg/Universal/SerialDxe/SerialDxe.inf {
+!if $(DEBUG_ON_UART1) == TRUE
+    <PcdsFixedAtBuild>
+      gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase|0x2a400000
+    <LibraryClasses>
+      SerialPortLib|ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf
+      # suppress debug output from SerialDxe itself which would go to the PL011
+      DebugLib|MdePkg/Library/BaseDebugLibNull/BaseDebugLibNull.inf
+!endif
+  }
   MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.inf
   MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf
   MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf
diff --git a/Silicon/Socionext/SynQuacer/Library/SynQuacerMemoryInitPeiLib/SynQuacerMemoryInitPeiLib.c b/Silicon/Socionext/SynQuacer/Library/SynQuacerMemoryInitPeiLib/SynQuacerMemoryInitPeiLib.c
index 1402ecafce4a..e68997e05573 100644
--- a/Silicon/Socionext/SynQuacer/Library/SynQuacerMemoryInitPeiLib/SynQuacerMemoryInitPeiLib.c
+++ b/Silicon/Socionext/SynQuacer/Library/SynQuacerMemoryInitPeiLib/SynQuacerMemoryInitPeiLib.c
@@ -118,6 +118,9 @@ STATIC CONST ARM_MEMORY_REGION_DESCRIPTOR mVirtualMemoryTable[] = {
 
   // NETSEC/eMMC SMMU
   ARM_DEVICE_REGION (SYNQUACER_SCB_SMMU_BASE, SYNQUACER_SCB_SMMU_SIZE),
+
+  // DesignWare FUART
+  ARM_DEVICE_REGION (SYNQUACER_UART1_BASE, SYNQUACER_UART1_SIZE),
 };
 
 STATIC
