Vlv2TbltDevicePkg/Library/SerialPortLib/PlatformSerialPortLib.h

   1 /** @file
   2   Header file of Serial port hardware definition.
   3
   4   Copyright (c) 2006 - 2017, 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 **/
  15
  16 #ifndef __PLATFORM_SERIAL_PORT_LIB_H_
  17 #define __PLATFORM_SERIAL_PORT_LIB_H_
  18
  19 #include <Base.h>
  20 #include <Library/BaseLib.h>
  21 #include <Library/IoLib.h>
  22 #include <Library/PcdLib.h>
  23 #include <Library/SerialPortLib.h>
  24
  25 //
  26 // UART Register Offsets
  27 //
  28 #define BAUD_LOW_OFFSET   0x00
  29 #define BAUD_HIGH_OFFSET  0x01
  30 #define IER_OFFSET        0x01
  31 #define LCR_SHADOW_OFFSET 0x01
  32 #define FCR_SHADOW_OFFSET 0x02
  33 #define IR_CONTROL_OFFSET 0x02
  34 #define FCR_OFFSET        0x02
  35 #define EIR_OFFSET        0x02
  36 #define BSR_OFFSET        0x03
  37 #define LCR_OFFSET        0x03
  38 #define MCR_OFFSET        0x04
  39 #define LSR_OFFSET        0x05
  40 #define MSR_OFFSET        0x06
  41
  42 //
  43 // UART Register Bit Defines
  44 //
  45 #define LSR_TXRDY 0x20
  46 #define LSR_RXDA  0x01
  47 #define DLAB      0x01
  48
  49 #define UART_DATA    8
  50 #define UART_STOP    1
  51 #define UART_PARITY  0
  52 #define UART_BREAK_SET  0
  53
  54 VOID
  55 InitializeSio (
  56   VOID
  57   );
  58
  59 #endif