[Patch V5 1/3] MinPlatformPkg: Add PCDs for Serial Terminal feature

["Heng Luo" <heng.luo@intel.com>]

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3014

1. Add PcdSerialTerminalEnable to enable/disable Serial Terminal feature,
  this feature supports console redirect after the shell is loaded.
2. Add PCDs to configure serial port.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Heng Luo <heng.luo@intel.com>
---
 Platform/Intel/MinPlatformPkg/MinPlatformPkg.dec | 25 +++++++++++++++++++++++++
 Platform/Intel/MinPlatformPkg/MinPlatformPkg.dsc |  3 ++-
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dec b/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dec
index 7ef189dac8..36050aa1a8 100644
--- a/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dec
+++ b/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dec
@@ -205,6 +205,30 @@
 [PcdsDynamic, PcdsDynamicEx]
   gMinPlatformPkgTokenSpaceGuid.PcdPcIoApicEnable|0x0|UINT32|0x90000019
 
+  # The baud rate setting for the UART style device. A value of 0
+  # means that the device's default baud rate will be used.
+  gMinPlatformPkgTokenSpaceGuid.PcdSerialTerminalBaudRate|115200|UINT64|0x9000001A
+
+  # The number of data bits for the UART style device. A value
+  # of 0 means that the device's default number of data bits will be used.
+  gMinPlatformPkgTokenSpaceGuid.PcdSerialTerminalDataBits|0x8|UINT8|0x9000001B
+
+  # The parity setting for the UART style device.
+  # Parity 0x00 - Default Parity.
+  # Parity 0x01 - No Parity.
+  # Parity 0x02 - Even Parity.
+  # Parity 0x03 - Odd Parity.
+  # Parity 0x04 - Mark Parity.
+  # Parity 0x05 - Space Parity.
+  gMinPlatformPkgTokenSpaceGuid.PcdSerialTerminalParity|0x1|UINT8|0x9000001C
+
+  # The number of stop bits for the UART style device.
+  # Stop Bits 0x00 - Default Stop Bits.
+  # Stop Bits 0x01 - 1 Stop Bit.
+  # Stop Bits 0x02 - 1.5 Stop Bits.
+  # Stop Bits 0x03 - 2 Stop Bits.
+  gMinPlatformPkgTokenSpaceGuid.PcdSerialTerminalStopBits|0x1|UINT8|0x9000001D
+
 [PcdsFixedAtBuild, PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx]
 
   ##
@@ -318,3 +342,4 @@
   gMinPlatformPkgTokenSpaceGuid.PcdTpm2Enable             |FALSE|BOOLEAN|0xF00000A5
   gMinPlatformPkgTokenSpaceGuid.PcdSmiHandlerProfileEnable|FALSE|BOOLEAN|0xF00000A6
   gMinPlatformPkgTokenSpaceGuid.PcdPerformanceEnable      |FALSE|BOOLEAN|0xF00000A7
+  gMinPlatformPkgTokenSpaceGuid.PcdSerialTerminalEnable   |FALSE|BOOLEAN|0xF00000B0
diff --git a/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dsc b/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dsc
index 112ddff7d9..d0b5593817 100644
--- a/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dsc
+++ b/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dsc
@@ -1,7 +1,7 @@
 ## @file
 #  Platform description.
 #
-# Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2017 - 2020, Intel Corporation. All rights reserved.<BR>
 #
 # SPDX-License-Identifier: BSD-2-Clause-Patent
 #
@@ -44,6 +44,7 @@
     gMinPlatformPkgTokenSpaceGuid.PcdTpm2Enable|FALSE
     gMinPlatformPkgTokenSpaceGuid.PcdPerformanceEnable|FALSE
     gMinPlatformPkgTokenSpaceGuid.PcdSmiHandlerProfileEnable|FALSE
+    gMinPlatformPkgTokenSpaceGuid.PcdSerialTerminalEnable|FALSE
 
 ################################################################################
 #
-- 
2.24.0.windows.2