mirror of https://github.com/acidanthera/audk.git
70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
/** @file
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Header file of Serial port hardware definition.
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Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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This software and associated documentation
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(if any) is furnished under a license and may only be used or
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copied in accordance with the terms of the license. Except as
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permitted by such license, no part of this software or
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documentation may be reproduced, stored in a retrieval system, or
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transmitted in any form or by any means without the express written
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consent of Intel Corporation.
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Module Name: PlatformSerialPortLib.h
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**/
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#ifndef __PLATFORM_SERIAL_PORT_LIB_H_
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#define __PLATFORM_SERIAL_PORT_LIB_H_
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#include <Base.h>
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#include <Library/BaseLib.h>
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#include <Library/IoLib.h>
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#include <Library/PcdLib.h>
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#include <Library/SerialPortLib.h>
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//
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// UART Register Offsets
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//
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#define BAUD_LOW_OFFSET 0x00
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#define BAUD_HIGH_OFFSET 0x01
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#define IER_OFFSET 0x01
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#define LCR_SHADOW_OFFSET 0x01
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#define FCR_SHADOW_OFFSET 0x02
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#define IR_CONTROL_OFFSET 0x02
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#define FCR_OFFSET 0x02
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#define EIR_OFFSET 0x02
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#define BSR_OFFSET 0x03
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#define LCR_OFFSET 0x03
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#define MCR_OFFSET 0x04
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#define LSR_OFFSET 0x05
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#define MSR_OFFSET 0x06
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//
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// UART Register Bit Defines
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//
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#define LSR_TXRDY 0x20
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#define LSR_RXDA 0x01
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#define DLAB 0x01
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#define UART_DATA 8
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#define UART_STOP 1
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#define UART_PARITY 0
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#define UART_BREAK_SET 0
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VOID
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InitializeSio (
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VOID
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);
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#endif
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