diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbCommonLib/GnbLibStall.c')
-rwxr-xr-x | src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbCommonLib/GnbLibStall.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbCommonLib/GnbLibStall.c b/src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbCommonLib/GnbLibStall.c new file mode 100755 index 0000000000..74220a1c35 --- /dev/null +++ b/src/vendorcode/amd/agesa/f12/Proc/GNB/Modules/GnbCommonLib/GnbLibStall.c @@ -0,0 +1,152 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * Various PCI service routines. + * + * + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: GNB + * @e \$Revision: 44324 $ @e \$Date: 2010-12-22 01:16:51 -0800 (Wed, 22 Dec 2010) $ + * + */ +/* +***************************************************************************** +* +* Copyright (c) 2011, 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 "GnbLibStall.h" +#include "Filecode.h" +#define FILECODE PROC_GNB_MODULES_GNBCOMMONLIB_GNBLIBSTALL_FILECODE + + + + +/*----------------------------------------------------------------------------------------*/ +/* + * 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 scrept + * + * + * + * @param[in] StdHeader Standard configuration header + * @param[in] ContextLength Context Length (not used) + * @param[in] Context Context pointer (not used) + */ +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; +} + |