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Diffstat (limited to 'src/vendorcode/amd/agesa/f16kb/Proc/IDS/Debug/IdsDpSerial.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f16kb/Proc/IDS/Debug/IdsDpSerial.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/IDS/Debug/IdsDpSerial.c b/src/vendorcode/amd/agesa/f16kb/Proc/IDS/Debug/IdsDpSerial.c new file mode 100644 index 0000000000..43d6bf647f --- /dev/null +++ b/src/vendorcode/amd/agesa/f16kb/Proc/IDS/Debug/IdsDpSerial.c @@ -0,0 +1,185 @@ +/** + * @file + * + * AMD Integrated Debug Debug_library Routines + * + * Contains all functions related to HDTOUT + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: IDS + * @e \$Revision: 84150 $ @e \$Date: 2012-12-12 15:46:25 -0600 (Wed, 12 Dec 2012) $ + */ +/***************************************************************************** + * Copyright (c) 2008 - 2013, Advanced Micro Devices, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Advanced Micro Devices, Inc. nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ****************************************************************************** + */ + + /*---------------------------------------------------------------------------------------- + * M O D U L E S U S E D + *---------------------------------------------------------------------------------------- + */ +#include "AGESA.h" +#include "Ids.h" +#include "IdsLib.h" +#include "amdlib.h" +#include "AMD.h" +#include "IdsDebugPrint.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_IDS_DEBUG_IDSDPSERIAL_FILECODE + + +/** + * Determine whether IDS console is enabled. + * + * + * @retval TRUE Alway return true + * + **/ +STATIC BOOLEAN +AmdIdsSerialSupport ( + VOID + ) +{ + + return TRUE; +} + +/** + * Get Serial customize Filter + * + * @param[in,out] Filter Filter do be filled + * + * @retval FALSE Alway return FALSE + * + **/ +STATIC BOOLEAN +AmdIdsSerialGetFilter ( + IN OUT UINT64 *Filter + ) +{ + return FALSE; +} + + +#define IDS_SERIAL_PORT_LSR (IDS_SERIAL_PORT + 5) +#define IDS_LSR_TRANSMIT_HOLDING_REGISTER_EMPTY_MASK BIT5 +/** + * Send byte to Serial Port + * + * Before use this routine, please make sure Serial Communications Chip have been initialed + * + * @param[in] ByteSended Byte to be sended + * + * @retval TRUE Byte sended successfully + * @retval FALSE Byte sended failed + * + **/ +STATIC BOOLEAN +AmdIdsSerialSendByte ( + IN CHAR8 ByteSended + ) +{ + UINT32 RetryCount; + UINT8 Value; + + //Wait until LSR.Bit5 (Transmitter holding register Empty) + RetryCount = 200; + do { + LibAmdIoRead (AccessWidth8, IDS_SERIAL_PORT_LSR, &Value, NULL); + RetryCount--; + } while (((Value & IDS_LSR_TRANSMIT_HOLDING_REGISTER_EMPTY_MASK) == 0) && + (RetryCount > 0)); + + if (RetryCount == 0) { + //Time expired + return FALSE; + } else { + LibAmdIoWrite (AccessWidth8, IDS_SERIAL_PORT, &ByteSended, NULL); + return TRUE; + } +} + + +/** + * Print formated string + * + * @param[in] Buffer - Point to input buffer + * @param[in] BufferSize - Buffer size + * @param[in] debugPrintPrivate - Option + * +**/ +STATIC VOID +AmdIdsSerialPrint ( + IN CHAR8 *Buffer, + IN UINTN BufferSize, + IN IDS_DEBUG_PRINT_PRIVATE_DATA *debugPrintPrivate + ) +{ + BOOLEAN SendStatus; + UINT32 RetryCount; + RetryCount = 200; + while (BufferSize--) { + do { + if (*Buffer == '\n') { + SendStatus = AmdIdsSerialSendByte ('\r'); + } + SendStatus = AmdIdsSerialSendByte (*Buffer); + RetryCount--; + } while ((SendStatus == FALSE) && (RetryCount > 0)); + Buffer ++; + } +} + +/** + * Init local private data + * + * @param[in] Flag - filter flag + * @param[in] debugPrintPrivate - Point to debugPrintPrivate + * +**/ +STATIC VOID +AmdIdsSerialInitPrivateData ( + IN UINT64 Flag, + IN IDS_DEBUG_PRINT_PRIVATE_DATA *debugPrintPrivate + ) +{ + +} + +CONST IDS_DEBUG_PRINT ROMDATA IdsDebugPrintSerialInstance = +{ + AmdIdsSerialSupport, + AmdIdsSerialGetFilter, + AmdIdsSerialInitPrivateData, + AmdIdsSerialPrint +}; + + + |