6 files changed, 104 insertions, 0 deletions
diff --git a/MdeModulePkg/Include/Ppi/SerialPortPei.h b/MdeModulePkg/Include/Ppi/SerialPortPei.h
new file mode 100644
index 0000000000..88fcbf6e80
--- /dev/null
+++ b/MdeModulePkg/Include/Ppi/SerialPortPei.h
@@ -0,0 +1,26 @@
+/** @file
+  PPI that is installed after the initialization of a serial stream device 
+  is complete.  
+
+  Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _PEI_SERIAL_PORT_PPI_H
+#define _PEI_SERIAL_PORT_PPI_H
+
+#define PEI_SERIAL_PORT_PPI \
+  { \
+    0x490e9d85, 0x8aef, 0x4193, { 0x8e, 0x56, 0xf7, 0x34, 0xa9, 0xff, 0xac, 0x8b } \
+  }
+
+extern EFI_GUID gPeiSerialPortPpiGuid;
+
+#endif
diff --git a/MdeModulePkg/Library/PlatformHookLibSerialPortPpi/PlatformHookLibSerialPortPpi.c b/MdeModulePkg/Library/PlatformHookLibSerialPortPpi/PlatformHookLibSerialPortPpi.c
new file mode 100644
index 0000000000..00b70c79e6
--- /dev/null
+++ b/MdeModulePkg/Library/PlatformHookLibSerialPortPpi/PlatformHookLibSerialPortPpi.c
@@ -0,0 +1,36 @@
+/** @file
+  Null Platform Hook Library instance with dependency on gPeiSerialPortPpiGuid
+
+  Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Base.h>
+#include <Library/PlatformHookLib.h>
+
+/**
+  Performs platform specific initialization required for the CPU to access
+  the hardware associated with a SerialPortLib instance.  This function does
+  not initialize the serial port hardware itself.  Instead, it initializes
+  hardware devices that are required for the CPU to access the serial port
+  hardware.  This function may be called more than once.
+
+  @retval RETURN_SUCCESS       The platform specific initialization succeeded.
+  @retval RETURN_DEVICE_ERROR  The platform specific initialization could not be completed.
+
+**/
+RETURN_STATUS
+EFIAPI
+PlatformHookSerialPortInitialize (
+  VOID
+  )
+{
+  return RETURN_SUCCESS;
+}
diff --git a/MdeModulePkg/Library/PlatformHookLibSerialPortPpi/PlatformHookLibSerialPortPpi.inf b/MdeModulePkg/Library/PlatformHookLibSerialPortPpi/PlatformHookLibSerialPortPpi.inf
new file mode 100644
index 0000000000..54aa894fdc
--- /dev/null
+++ b/MdeModulePkg/Library/PlatformHookLibSerialPortPpi/PlatformHookLibSerialPortPpi.inf
@@ -0,0 +1,38 @@
+## @file
+#  Null Platform Hook Library instance with dependency on gPeiSerialPortPpiGuid
+#
+#  Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
+#
+#  This program and the accompanying materials
+#  are licensed and made available under the terms and conditions of the BSD License
+#  which accompanies this distribution. The full text of the license may be found at
+#  http://opensource.org/licenses/bsd-license.php
+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = PlatformHookLibSerialPortPpi
+  FILE_GUID                      = 621734D8-8B5E-4c01-B330-9F89A1081710
+  MODULE_TYPE                    = BASE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = PlatformHookLibSerialPortPpi
+  MODULE_UNI_FILE                = PlatformHookLibSerialPortPpi.uni
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 IPF EBC
+#
+
+[Sources]
+  PlatformHookLibSerialPortPpi.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+
+[Depex.common.PEIM]
+  gPeiSerialPortPpiGuid
diff --git a/MdeModulePkg/Library/PlatformHookLibSerialPortPpi/PlatformHookLibSerialPortPpi.uni b/MdeModulePkg/Library/PlatformHookLibSerialPortPpi/PlatformHookLibSerialPortPpi.uni
new file mode 100644
index 0000000000..fa5a1a830b
--- /dev/null
+++ b/MdeModulePkg/Library/PlatformHookLibSerialPortPpi/PlatformHookLibSerialPortPpi.uni
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index d1190b9602..87121a8d83 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -307,6 +307,9 @@
   ## Include/Ppi/PostBootScriptTable.h
   gPeiPostScriptTablePpiGuid    =  { 0x88c9d306, 0x900, 0x4eb5, { 0x82, 0x60, 0x3e, 0x2d, 0xbe, 0xda, 0x1f, 0x89}}
 
+  ## Include/Ppi/SerialPortPei.h
+  gPeiSerialPortPpiGuid         =  { 0x490e9d85, 0x8aef, 0x4193, { 0x8e, 0x56, 0xf7, 0x34, 0xa9, 0xff, 0xac, 0x8b}}
+
 [Protocols]
   ## Load File protocol provides capability to load and unload EFI image into memory and execute it.
   #  Include/Protocol/LoadPe32Image.h
diff --git a/MdeModulePkg/MdeModulePkg.dsc b/MdeModulePkg/MdeModulePkg.dsc
index 1abff59075..fd32551d77 100644
--- a/MdeModulePkg/MdeModulePkg.dsc
+++ b/MdeModulePkg/MdeModulePkg.dsc
@@ -253,6 +253,7 @@
   MdeModulePkg/Library/PiDxeS3BootScriptLib/DxeS3BootScriptLib.inf
   MdeModulePkg/Library/PeiDebugPrintHobLib/PeiDebugPrintHobLib.inf
   MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.inf
+  MdeModulePkg/Library/PlatformHookLibSerialPortPpi/PlatformHookLibSerialPortPpi.inf
 
   MdeModulePkg/Universal/CapsulePei/CapsulePei.inf
   MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf