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-rw-r--r--ArmPlatformPkg/Include/Drivers/PL011Uart.h63
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diff --git a/ArmPlatformPkg/Include/Drivers/PL011Uart.h b/ArmPlatformPkg/Include/Drivers/PL011Uart.h
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+/** @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