Vlv2TbltDevicePkg/Library/SerialPortLib/PlatformSerialPortLib.h

   1 /** @file
   2   Header file of Serial port hardware definition.
   3
   4   Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
   5
   6   This program and the accompanying materials are licensed and made available under
   7   the terms and conditions of the BSD License that accompanies this distribution.
   8   The full text of the license may be found at
   9   http://opensource.org/licenses/bsd-license.php.
  10
  11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14   This software and associated documentation
  15   (if any) is furnished under a license and may only be used or
  16   copied in accordance with the terms of the license.  Except as
  17   permitted by such license, no part of this software or
  18   documentation may be reproduced, stored in a retrieval system, or
  19   transmitted in any form or by any means without the express written
  20   consent of Intel Corporation.
  21
  22   Module Name:  PlatformSerialPortLib.h
  23
  24 **/
  25
  26 #ifndef __PLATFORM_SERIAL_PORT_LIB_H_
  27 #define __PLATFORM_SERIAL_PORT_LIB_H_
  28
  29 #include <Base.h>
  30 #include <Library/BaseLib.h>
  31 #include <Library/IoLib.h>
  32 #include <Library/PcdLib.h>
  33 #include <Library/SerialPortLib.h>
  34
  35 //
  36 // UART Register Offsets
  37 //
  38 #define BAUD_LOW_OFFSET   0x00
  39 #define BAUD_HIGH_OFFSET  0x01
  40 #define IER_OFFSET        0x01
  41 #define LCR_SHADOW_OFFSET 0x01
  42 #define FCR_SHADOW_OFFSET 0x02
  43 #define IR_CONTROL_OFFSET 0x02
  44 #define FCR_OFFSET        0x02
  45 #define EIR_OFFSET        0x02
  46 #define BSR_OFFSET        0x03
  47 #define LCR_OFFSET        0x03
  48 #define MCR_OFFSET        0x04
  49 #define LSR_OFFSET        0x05
  50 #define MSR_OFFSET        0x06
  51
  52 //
  53 // UART Register Bit Defines
  54 //
  55 #define LSR_TXRDY 0x20
  56 #define LSR_RXDA  0x01
  57 #define DLAB      0x01
  58
  59 #define UART_DATA    8
  60 #define UART_STOP    1
  61 #define UART_PARITY  0
  62 #define UART_BREAK_SET  0
  63
  64 VOID
  65 InitializeSio (
  66   VOID
  67   );
  68
  69 #endif