Add ArmPlatformPkg from ARM Ltd. patch.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11291 6f19259b-4bc3-4df7-8a09-765794883524

ArmPlatformPkg/Include/Drivers/PL011Uart.h

@@ -0,0 +1,63 @@
+/** @file
+*
+*  Copyright (c) 2011, ARM Limited. All rights reserved.
+*  
+*  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 __PL011_UART_H__
+#define __PL011_UART_H__
+
+#define SERIAL_PORT_MAX_TIMEOUT            100000000    // 100 seconds
+
+// PL011 Registers
+#define UARTDR          0x000
+#define UARTRSR         0x004
+#define UARTECR         0x004
+#define UARTFR          0x018
+#define UARTILPR        0x020
+#define UARTIBRD        0x024
+#define UARTFBRD        0x028
+#define UARTLCR_H       0x02C
+#define UARTCR          0x030
+#define UARTIFLS        0x034
+#define UARTIMSC        0x038
+#define UARTRIS         0x03C
+#define UARTMIS         0x040
+#define UARTICR         0x044
+#define UARTDMACR       0x048
+
+#define UART_115200_IDIV      13      // Integer Part
+#define UART_115200_FDIV      1       // Fractional Part
+#define UART_38400_IDIV       39
+#define UART_38400_FDIV       5
+#define UART_19200_IDIV       12
+#define UART_19200_FDIV       37
+
+// data status bits
+#define UART_DATA_ERROR_MASK      0x0F00
+
+// status reg bits
+#define UART_STATUS_ERROR_MASK    0x0F
+
+// flag reg bits
+#define UART_TX_EMPTY_FLAG_MASK   0x80
+#define UART_RX_FULL_FLAG_MASK    0x40
+#define UART_TX_FULL_FLAG_MASK    0x20
+#define UART_RX_EMPTY_FLAG_MASK   0x10
+#define UART_BUSY_FLAG_MASK       0x08
+
+// control reg bits
+#define UART_CTSEN_CONTROL_MASK   0x8000
+#define UART_RTSEN_CONTROL_MASK   0x4000
+#define UART_RTS_CONTROL_MASK     0x0800
+#define UART_DTR_CONTROL_MASK     0x0400
+
+#endif