zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 1 | /** |
| 2 | * @file |
| 3 | * |
| 4 | * AMD Integrated Debug Debug_library Routines |
| 5 | * |
| 6 | * Contains all functions related to HDTOUT |
| 7 | * |
| 8 | * @xrefitem bom "File Content Label" "Release Content" |
| 9 | * @e project: AGESA |
| 10 | * @e sub-project: IDS |
| 11 | * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ |
| 12 | */ |
| 13 | /***************************************************************************** |
Siyuan Wang | 641f00c | 2013-06-08 11:50:55 +0800 | [diff] [blame] | 14 | * Copyright (c) 2008 - 2012, Advanced Micro Devices, Inc. |
| 15 | * All rights reserved. |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 16 | * |
Siyuan Wang | 641f00c | 2013-06-08 11:50:55 +0800 | [diff] [blame] | 17 | * Redistribution and use in source and binary forms, with or without |
| 18 | * modification, are permitted provided that the following conditions are met: |
| 19 | * * Redistributions of source code must retain the above copyright |
| 20 | * notice, this list of conditions and the following disclaimer. |
| 21 | * * Redistributions in binary form must reproduce the above copyright |
| 22 | * notice, this list of conditions and the following disclaimer in the |
| 23 | * documentation and/or other materials provided with the distribution. |
| 24 | * * Neither the name of Advanced Micro Devices, Inc. nor the names of |
| 25 | * its contributors may be used to endorse or promote products derived |
| 26 | * from this software without specific prior written permission. |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 27 | * |
Siyuan Wang | 641f00c | 2013-06-08 11:50:55 +0800 | [diff] [blame] | 28 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 29 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 30 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 31 | * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY |
| 32 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 33 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 34 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 35 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 36 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 37 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
zbao | 7d94cf9 | 2012-07-02 14:19:14 +0800 | [diff] [blame] | 38 | ****************************************************************************** |
| 39 | */ |
| 40 | |
| 41 | /*---------------------------------------------------------------------------------------- |
| 42 | * M O D U L E S U S E D |
| 43 | *---------------------------------------------------------------------------------------- |
| 44 | */ |
| 45 | #include "AGESA.h" |
| 46 | #include "Ids.h" |
| 47 | #include "IdsLib.h" |
| 48 | #include "amdlib.h" |
| 49 | #include "AMD.h" |
| 50 | #include "IdsDebugPrint.h" |
| 51 | #include "Filecode.h" |
| 52 | CODE_GROUP (G1_PEICC) |
| 53 | RDATA_GROUP (G1_PEICC) |
| 54 | |
| 55 | #define FILECODE PROC_IDS_DEBUG_IDSDPSERIAL_FILECODE |
| 56 | |
| 57 | /** |
| 58 | * Determine whether IDS console is enabled. |
| 59 | * |
| 60 | * |
| 61 | * @retval TRUE Alway return true |
| 62 | * |
| 63 | **/ |
| 64 | STATIC BOOLEAN |
| 65 | AmdIdsSerialSupport ( |
| 66 | VOID |
| 67 | ) |
| 68 | { |
| 69 | |
| 70 | return TRUE; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Get Serial customize Filter |
| 75 | * |
| 76 | * @param[in,out] Filter Filter do be filled |
| 77 | * |
| 78 | * @retval FALSE Alway return FALSE |
| 79 | * |
| 80 | **/ |
| 81 | STATIC BOOLEAN |
| 82 | AmdIdsSerialGetFilter ( |
| 83 | IN OUT UINT64 *Filter |
| 84 | ) |
| 85 | { |
| 86 | return FALSE; |
| 87 | } |
| 88 | |
| 89 | |
| 90 | #define IDS_SERIAL_PORT_LSR (IDS_SERIAL_PORT + 5) |
| 91 | #define IDS_LSR_TRANSMIT_HOLDING_REGISTER_EMPTY_MASK BIT5 |
| 92 | /** |
| 93 | * Send byte to Serial Port |
| 94 | * |
| 95 | * Before use this routine, please make sure Serial Communications Chip have been initialed |
| 96 | * |
| 97 | * @param[in] ByteSended Byte to be sended |
| 98 | * |
| 99 | * @retval TRUE Byte sended successfully |
| 100 | * @retval FALSE Byte sended failed |
| 101 | * |
| 102 | **/ |
| 103 | STATIC BOOLEAN |
| 104 | AmdIdsSerialSendByte ( |
| 105 | IN CHAR8 ByteSended |
| 106 | ) |
| 107 | { |
| 108 | UINT32 RetryCount; |
| 109 | UINT8 Value; |
| 110 | |
| 111 | //Wait until LSR.Bit5 (Transmitter holding register Empty) |
| 112 | RetryCount = 200; |
| 113 | do { |
| 114 | LibAmdIoRead (AccessWidth8, IDS_SERIAL_PORT_LSR, &Value, NULL); |
| 115 | RetryCount--; |
| 116 | } while (((Value & IDS_LSR_TRANSMIT_HOLDING_REGISTER_EMPTY_MASK) == 0) && |
| 117 | (RetryCount > 0)); |
| 118 | |
| 119 | if (RetryCount == 0) { |
| 120 | //Time expired |
| 121 | return FALSE; |
| 122 | } else { |
| 123 | LibAmdIoWrite (AccessWidth8, IDS_SERIAL_PORT, &ByteSended, NULL); |
| 124 | return TRUE; |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | |
| 129 | /** |
| 130 | * Print formated string |
| 131 | * |
| 132 | * @param[in] Buffer - Point to input buffer |
| 133 | * @param[in] BufferSize - Buffer size |
| 134 | * @param[in] debugPrintPrivate - Option |
| 135 | * |
| 136 | **/ |
| 137 | STATIC VOID |
| 138 | AmdIdsSerialPrint ( |
| 139 | IN CHAR8 *Buffer, |
| 140 | IN UINTN BufferSize, |
| 141 | IN IDS_DEBUG_PRINT_PRIVATE_DATA *debugPrintPrivate |
| 142 | ) |
| 143 | { |
| 144 | BOOLEAN SendStatus; |
| 145 | UINT32 RetryCount; |
| 146 | RetryCount = 200; |
| 147 | while (BufferSize--) { |
| 148 | do { |
| 149 | if (*Buffer == '\n') { |
| 150 | SendStatus = AmdIdsSerialSendByte ('\r'); |
| 151 | } |
| 152 | SendStatus = AmdIdsSerialSendByte (*Buffer); |
| 153 | RetryCount--; |
| 154 | } while ((SendStatus == FALSE) && (RetryCount > 0)); |
| 155 | Buffer ++; |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * Init local private data |
| 161 | * |
| 162 | * @param[in] Flag - filter flag |
| 163 | * @param[in] debugPrintPrivate - Point to debugPrintPrivate |
| 164 | * |
| 165 | **/ |
| 166 | STATIC VOID |
| 167 | AmdIdsSerialInitPrivateData ( |
| 168 | IN UINT64 Flag, |
| 169 | IN IDS_DEBUG_PRINT_PRIVATE_DATA *debugPrintPrivate |
| 170 | ) |
| 171 | { |
| 172 | |
| 173 | } |
| 174 | |
| 175 | CONST IDS_DEBUG_PRINT ROMDATA IdsDebugPrintSerialInstance = |
| 176 | { |
| 177 | AmdIdsSerialSupport, |
| 178 | AmdIdsSerialGetFilter, |
| 179 | AmdIdsSerialInitPrivateData, |
| 180 | AmdIdsSerialPrint |
| 181 | }; |
| 182 | |
| 183 | |
| 184 | |