1 /*++ 2 3 Copyright (c) 2004, Intel Corporation. All rights reserved.<BR> 4 This program and the accompanying materials 5 are licensed and made available under the terms and conditions of the BSD License 6 which accompanies this distribution. The full text of the license may be found at 7 http://opensource.org/licenses/bsd-license.php 8 9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 12 Module Name: 13 14 BsSerialStatusCode.h 15 16 Abstract: 17 18 Lib to provide Serial I/O status code routines. This uses the PEI library 19 print functions. 20 21 --*/ 22 23 #ifndef _EFI_BS_SERIAL_STATUS_CODE_H_ 24 #define _EFI_BS_SERIAL_STATUS_CODE_H_ 25 26 // 27 // Statements that include other files 28 // 29 #include "Tiano.h" 30 #include "Pei.h" 31 #include "PeiLib.h" 32 #include "EfiRuntimeLib.h" 33 #include "BsSerialStatusCodeLib.h" 34 35 // 36 // GUID consumed 37 // 38 #include EFI_GUID_DEFINITION (StatusCodeDataTypeId) 39 40 // 41 // --------------------------------------------- 42 // UART Register Offsets 43 // --------------------------------------------- 44 // 45 #define BAUD_LOW_OFFSET 0x00 46 #define BAUD_HIGH_OFFSET 0x01 47 #define IER_OFFSET 0x01 48 #define LCR_SHADOW_OFFSET 0x01 49 #define FCR_SHADOW_OFFSET 0x02 50 #define IR_CONTROL_OFFSET 0x02 51 #define FCR_OFFSET 0x02 52 #define EIR_OFFSET 0x02 53 #define BSR_OFFSET 0x03 54 #define LCR_OFFSET 0x03 55 #define MCR_OFFSET 0x04 56 #define LSR_OFFSET 0x05 57 #define MSR_OFFSET 0x06 58 59 // 60 // --------------------------------------------- 61 // UART Register Bit Defines 62 // --------------------------------------------- 63 // 64 #define LSR_TXRDY 0x20 65 #define LSR_RXDA 0x01 66 #define DLAB 0x01 67 68 // 69 // Globals for Serial Port settings 70 // 71 extern UINT16 gComBase; 72 extern UINTN gBps; 73 extern UINT8 gData; 74 extern UINT8 gStop; 75 extern UINT8 gParity; 76 extern UINT8 gBreakSet; 77 78 VOID 79 DebugSerialPrint ( 80 IN UINT8 *OutputString 81 ); 82 83 VOID 84 DebugSerialWrite ( 85 IN UINT8 Character 86 ); 87 88 #endif 89
