1 files changed, 23 insertions, 2 deletions
diff --git a/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable.h b/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable.h
index d57518d5db..47030a4428 100644
--- a/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable.h
+++ b/MdePkg/Include/IndustryStandard/SerialPortConsoleRedirectionTable.h
@@ -4,6 +4,7 @@
     
   Copyright (c) 2007 - 2015, Intel Corporation. All rights reserved.<BR>
   (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
+  Copyright (c) 2014 - 2016, ARM Limited. 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        
@@ -69,11 +70,31 @@ typedef struct {
 ///
 /// Full 16550 interface
 ///
-#define EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_16550   0
+#define EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_16550                     0
 ///
 /// Full 16450 interface
 ///
-#define EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_16450   1
+#define EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_16450                     1
+
+
+//
+// The Serial Port Subtypes for ARM are documented in Table 3 of the DBG2 Specification
+//
+
+///
+/// ARM PL011 UART
+///
+#define EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_ARM_PL011_UART            0x03
+
+///
+/// ARM SBSA Generic UART (2.x) supporting 32-bit only accesses [deprecated]
+///
+#define EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_ARM_SBSA_GENERIC_UART_2X  0x0d
+
+///
+/// ARM SBSA Generic UART
+///
+#define EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_ARM_SBSA_GENERIC_UART     0x0e
 
 //
 // Interrupt Type