diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f15/Proc/CPU/Feature/cpuPstateHpcMode.c')
-rw-r--r-- | src/vendorcode/amd/agesa/f15/Proc/CPU/Feature/cpuPstateHpcMode.c | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15/Proc/CPU/Feature/cpuPstateHpcMode.c b/src/vendorcode/amd/agesa/f15/Proc/CPU/Feature/cpuPstateHpcMode.c new file mode 100644 index 0000000000..beab9905e1 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15/Proc/CPU/Feature/cpuPstateHpcMode.c @@ -0,0 +1,221 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD AGESA CPU create Pstate HPC mode support code. + * + * Contains code that declares the AGESA CPU Pstate HPC mode related APIs + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU/Feature + * @e \$Revision: 56279 $ @e \$Date: 2011-07-11 13:11:28 -0600 (Mon, 11 Jul 2011) $ + * + */ +/* + ****************************************************************************** + * + * Copyright (C) 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 "GeneralServices.h" +#include "cpuFamilyTranslation.h" +#include "cpuApicUtilities.h" +#include "OptionMultiSocket.h" +#include "cpuRegisters.h" +#include "cpuApicUtilities.h" +#include "cpuFeatures.h" +#include "cpuPstateHpcMode.h" +#include "Filecode.h" +CODE_GROUP (G2_PEI) +RDATA_GROUP (G2_PEI) + +#define FILECODE PROC_CPU_FEATURE_CPUPSTATEHPCMODE_FILECODE + +/*---------------------------------------------------------------------------------------- + * D E F I N I T I O N S A N D M A C R O S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------- + * T Y P E D E F S A N D S T R U C T U R E S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------- + * P R O T O T Y P E S O F L O C A L F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ +VOID +STATIC +EnablePstateHpcModeOnAps ( + IN VOID *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ +extern CPU_FAMILY_SUPPORT_TABLE PstateHpcModeFamilyServiceTable; + +/*---------------------------------------------------------------------------------------*/ +/** + * Should P-state HPC mode be enabled + * If PlatformConfig->PStatesInHpcMode is TRUE, return TRUE, otherwise reture FALSE + * + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] StdHeader Config Handle for library, services. + * + * @retval TRUE P-state HPC mode is supported. + * @retval FALSE P-state HPC mode cannot be enabled. + * + */ +BOOLEAN +STATIC +IsPstateHpcModeFeatureSupported ( + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + BOOLEAN IsEnabled; + UINT32 Socket; + PSTATE_HPC_MODE_FAMILY_SERVICES *FamilyServices; + + IsEnabled = TRUE; + + if (PlatformConfig->PStatesInHpcMode) { + for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { + if (IsProcessorPresent (Socket, StdHeader)) { + GetFeatureServicesOfSocket (&PstateHpcModeFamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader); + if (FamilyServices == NULL) { + IsEnabled = FALSE; + break; + } + } + } + } else { + IsEnabled = FALSE; + } + return IsEnabled; +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Enable high performance computing (HPC mode) + * + * @param[in] EntryPoint Timepoint designator. + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] StdHeader Config Handle for library, services. + * + * @retval AGESA_SUCCESS Always succeeds. + * + */ +AGESA_STATUS +STATIC +InitializePstateHpcModeFeature ( + IN UINT64 EntryPoint, + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 BscSocket; + UINT32 Ignored; + UINT32 BscCoreNum; + UINT32 Core; + UINT32 Socket; + UINT32 NumberOfSockets; + UINT32 NumberOfCores; + AP_TASK TaskPtr; + AGESA_STATUS IgnoredSts; + + if (!IsWarmReset (StdHeader)) { + IDS_HDT_CONSOLE (CPU_TRACE, " P-state HPC mode is enabled\n"); + + IdentifyCore (StdHeader, &BscSocket, &Ignored, &BscCoreNum, &IgnoredSts); + NumberOfSockets = GetPlatformNumberOfSockets (); + + TaskPtr.FuncAddress.PfApTaskI = EnablePstateHpcModeOnAps; + TaskPtr.DataTransfer.DataSizeInDwords = 2; + TaskPtr.DataTransfer.DataPtr = PlatformConfig; + TaskPtr.DataTransfer.DataTransferFlags = 0; + TaskPtr.ExeFlags = WAIT_FOR_CORE; + + for (Socket = 0; Socket < NumberOfSockets; Socket++) { + if (GetActiveCoresInGivenSocket (Socket, &NumberOfCores, StdHeader)) { + for (Core = 0; Core < NumberOfCores; Core++) { + if ((Socket != BscSocket) || (Core != BscCoreNum)) { + ApUtilRunCodeOnSocketCore ((UINT8) Socket, (UINT8) Core, &TaskPtr, StdHeader); + } + } + } + } + + EnablePstateHpcModeOnAps (PlatformConfig, StdHeader); + } + return AGESA_SUCCESS; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * AP task to enable Pstate HPC mode + * + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] StdHeader Config Handle for library, services. + * + */ +VOID +STATIC +EnablePstateHpcModeOnAps ( + IN VOID *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + PSTATE_HPC_MODE_FAMILY_SERVICES *FamilyServices; + + GetFeatureServicesOfCurrentCore (&PstateHpcModeFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader); + FamilyServices->EnablePstateHpcMode (FamilyServices, + PlatformConfig, + StdHeader); + +} + + +CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeaturePstateHpcMode = +{ + PstateHpcMode, + (CPU_FEAT_BEFORE_RELINQUISH_AP | CPU_FEAT_AFTER_RESUME_MTRR_SYNC), + IsPstateHpcModeFeatureSupported, + InitializePstateHpcModeFeature +}; |