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/* $NoKeywords:$ */
/**
* @file
*
* Various Timer services.
*
*
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: GNB
* @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.
* ***************************************************************************
*
*/
#include "AGESA.h"
#include "amdlib.h"
#include "S3SaveState.h"
#include "Gnb.h"
#include "GnbLib.h"
#include "GnbTimerLib.h"
#include "Filecode.h"
#define FILECODE PROC_GNB_LIBRARY_GNBTIMERLIBWRAP0_GNBTIMERLIBWRAP0_FILECODE
VOID
GnbLibStallS3Script (
IN AMD_CONFIG_PARAMS *StdHeader,
IN UINT16 ContextLength,
IN VOID* Context
);
/*----------------------------------------------------------------------------------------*/
/*
* Stall and save to script table
*
*
*
* @param[in] Microsecond Stall time
* @param[in] StdHeader Standard configuration header
*/
VOID
GnbLibStallS3Save (
IN UINT32 Microsecond,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
S3_SAVE_DISPATCH (StdHeader, GnbLibStallS3Script_ID, sizeof (Microsecond), &Microsecond);
GnbLibStall (Microsecond, StdHeader);
}
/*----------------------------------------------------------------------------------------*/
/*
* Stall
*
*
*
* @param[in] Microsecond Stall time
* @param[in] StdHeader Standard configuration header
*/
VOID
GnbLibStall (
IN UINT32 Microsecond,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 TimeStampStart;
UINT32 TimeStampDelta;
UINT32 TimeStampCurrent;
TimeStampStart = GnbLibTimeStamp (StdHeader);
do {
TimeStampCurrent = GnbLibTimeStamp (StdHeader);
TimeStampDelta = ((TimeStampCurrent > TimeStampStart) ? (TimeStampCurrent - TimeStampStart) : (0xffffffffull - TimeStampStart + TimeStampCurrent));
} while (TimeStampDelta < Microsecond);
}
/*----------------------------------------------------------------------------------------*/
/**
* Stall S3 script
*
*
*
* @param[in] StdHeader Standard configuration header
* @param[in] ContextLength Context Length (not used)
* @param[in] Context pointer to UINT32 number of us
*/
VOID
GnbLibStallS3Script (
IN AMD_CONFIG_PARAMS *StdHeader,
IN UINT16 ContextLength,
IN VOID* Context
)
{
GnbLibStall (* ((UINT32*) Context), StdHeader);
}
/*----------------------------------------------------------------------------------------*/
/*
* Time stamp in us
*
*
*
* @param[in] StdHeader Standard configuration header
* @retval TRUE Device is a bridge
* @retval FALSE Device is not a bridge
*/
UINT32
GnbLibTimeStamp (
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT32 TimeStamp;
GnbLibPciIndirectRead (
MAKE_SBDFO (0, 0, 0, 0, 0xE0),
0x13080F0,
AccessWidth32,
&TimeStamp,
StdHeader
);
return TimeStamp;
}
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