/* $NoKeywords:$ */ /** * @file * * AMD AGESA CPU Application Power Management (APM) feature support code. * * Contains code that declares the AGESA CPU APM related APIs * * @xrefitem bom "File Content Label" "Release Content" * @e project: AGESA * @e sub-project: CPU/Feature * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ * */ /* ****************************************************************************** * * Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. * * AMD is granting you permission to use this software (the Materials) * pursuant to the terms and conditions of your Software License Agreement * with AMD. This header does *NOT* give you permission to use the Materials * or any rights under AMD's intellectual property. Your use of any portion * of these Materials shall constitute your acceptance of those terms and * conditions. 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Use of the Materials by the * Government constitutes acknowledgement of AMD's proprietary rights in them. * * EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any * direct product thereof will be exported directly or indirectly, into any * country prohibited by the United States Export Administration Act and the * regulations thereunder, without the required authorization from the U.S. * government nor will be used for any purpose prohibited by the same. ****************************************************************************** */ /*---------------------------------------------------------------------------------------- * M O D U L E S U S E D *---------------------------------------------------------------------------------------- */ #include "AGESA.h" #include "GeneralServices.h" #include "cpuFamilyTranslation.h" #include "cpuApicUtilities.h" #include "cpuFeatures.h" #include "cpuApm.h" #include "Filecode.h" CODE_GROUP (G1_PEICC) RDATA_GROUP (G1_PEICC) #define FILECODE PROC_CPU_FEATURE_CPUAPM_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 EnableApmOnSocket ( 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 ApmFamilyServiceTable; /*---------------------------------------------------------------------------------------*/ /** * Should Application Power Management (APM) be enabled * * @param[in] PlatformConfig Contains the runtime modifiable feature input data. * @param[in] StdHeader Config Handle for library, services. * * @retval TRUE APM is supported. * @retval FALSE APM cannot be enabled. * */ BOOLEAN STATIC IsApmFeatureEnabled ( IN PLATFORM_CONFIGURATION *PlatformConfig, IN AMD_CONFIG_PARAMS *StdHeader ) { UINT32 Socket; BOOLEAN IsEnabled; APM_FAMILY_SERVICES *FamilyServices; IsEnabled = FALSE; for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { if (IsProcessorPresent (Socket, StdHeader)) { GetFeatureServicesOfSocket (&ApmFamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader); if (FamilyServices != NULL) { if (FamilyServices->IsApmSupported (FamilyServices, PlatformConfig, Socket, StdHeader)) { IsEnabled = TRUE; break; } } } } return IsEnabled; } /*---------------------------------------------------------------------------------------*/ /** * Enable Application Power Management (APM) * * @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 InitializeApmFeature ( IN UINT64 EntryPoint, IN PLATFORM_CONFIGURATION *PlatformConfig, IN AMD_CONFIG_PARAMS *StdHeader ) { UINT32 BscSocket; UINT32 Ignored; UINT32 Socket; UINT32 NumberOfSockets; AP_TASK TaskPtr; AGESA_STATUS IgnoredSts; IDS_HDT_CONSOLE (CPU_TRACE, " APM mode is enabled\n"); IdentifyCore (StdHeader, &BscSocket, &Ignored, &Ignored, &IgnoredSts); NumberOfSockets = GetPlatformNumberOfSockets (); TaskPtr.FuncAddress.PfApTaskI = EnableApmOnSocket; TaskPtr.DataTransfer.DataSizeInDwords = 2; TaskPtr.DataTransfer.DataPtr = PlatformConfig; TaskPtr.DataTransfer.DataTransferFlags = 0; TaskPtr.ExeFlags = WAIT_FOR_CORE; for (Socket = 0; Socket < NumberOfSockets; Socket++) { if (IsProcessorPresent (Socket, StdHeader)) { if (Socket != BscSocket) { ApUtilRunCodeOnSocketCore ((UINT8) Socket, 0, &TaskPtr, StdHeader); } } } EnableApmOnSocket (PlatformConfig, StdHeader); return AGESA_SUCCESS; } /*---------------------------------------------------------------------------------------*/ /** * AP task to enable APM * * @param[in] PlatformConfig Contains the runtime modifiable feature input data. * @param[in] StdHeader Config Handle for library, services. * */ VOID STATIC EnableApmOnSocket ( IN VOID *PlatformConfig, IN AMD_CONFIG_PARAMS *StdHeader ) { APM_FAMILY_SERVICES *FamilyServices; GetFeatureServicesOfCurrentCore (&ApmFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader); FamilyServices->EnableApmOnSocket (FamilyServices, PlatformConfig, StdHeader); } CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeatureApm = { CpuApm, CPU_FEAT_BEFORE_RELINQUISH_AP, IsApmFeatureEnabled, InitializeApmFeature };