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   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #ifndef __PLATFORM_SERIAL_PORT_LIB_H_
  11 #define __PLATFORM_SERIAL_PORT_LIB_H_
  12
  13 #include <Base.h>
  14 #include <Library/BaseLib.h>
  15 #include <Library/IoLib.h>
  16 #include <Library/PcdLib.h>
  17 #include <Library/SerialPortLib.h>
  18
  19 //
  20 // UART Register Offsets
  21 //
  22 #define BAUD_LOW_OFFSET   0x00
  23 #define BAUD_HIGH_OFFSET  0x01
  24 #define IER_OFFSET        0x01
  25 #define LCR_SHADOW_OFFSET 0x01
  26 #define FCR_SHADOW_OFFSET 0x02
  27 #define IR_CONTROL_OFFSET 0x02
  28 #define FCR_OFFSET        0x02
  29 #define EIR_OFFSET        0x02
  30 #define BSR_OFFSET        0x03
  31 #define LCR_OFFSET        0x03
  32 #define MCR_OFFSET        0x04
  33 #define LSR_OFFSET        0x05
  34 #define MSR_OFFSET        0x06
  35
  36 //
  37 // UART Register Bit Defines
  38 //
  39 #define LSR_TXRDY 0x20
  40 #define LSR_RXDA  0x01
  41 #define DLAB      0x01
  42
  43 #define UART_DATA    8
  44 #define UART_STOP    1
  45 #define UART_PARITY  0
  46 #define UART_BREAK_SET  0
  47
  48 VOID
  49 InitializeSio (
  50   VOID
  51   );
  52
  53 #endif