Add generic SerialPortLib instance for 16550 UARTs configured through PCDs. Depends on new library class called PlatformHookLib to perform platform specific initialization of the UART.

Add PlatformHookLib.h that defines the PlatformHookLib class
Add PlatformHookLibNull instance that is a Null implementation of the PlatformHookLib class





git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11184 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Library/BaseSerialPortLib16550/BaseSerialPortLib16550.inf

@@ -0,0 +1,41 @@
+## @file
+#   SerialPortLib instance for 16550 UART
+#
+#  Copyright (c) 2006 - 2010, 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                      = BaseSerialPortLib16550
+  FILE_GUID                      = 9E7C00CF-355A-4d4e-BF60-0428CFF95540
+  MODULE_TYPE                    = BASE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = SerialPortLib
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+  PcdLib
+  IoLib
+  PlatformHookLib
+
+[Sources]
+  BaseSerialPortLib16550.c
+  
+[Pcd]
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialUseMmio
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialUseHardwareFlowControl
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialBaudRate
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialLineControl
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialFifoControl