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/**
* @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: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $
*/
/*****************************************************************************
* Copyright (c) 2008 - 2012, 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
};
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