| /* $NoKeywords:$ */ |
| /** |
| * @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. |
| * |
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| ****************************************************************************** |
| */ |
| |
| /*---------------------------------------------------------------------------------------- |
| * 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 |
| }; |
