| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * AMD AGESA CPU SW C1e feature support code. |
| * |
| * Contains code that declares the AGESA CPU C1e 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 "amdlib.h" |
| #include "Ids.h" |
| #include "cpuRegisters.h" |
| #include "cpuApicUtilities.h" |
| #include "cpuServices.h" |
| #include "GeneralServices.h" |
| #include "cpuFamilyTranslation.h" |
| #include "Topology.h" |
| #include "cpuFeatures.h" |
| #include "cpuSwC1e.h" |
| #include "Filecode.h" |
| CODE_GROUP (G1_PEICC) |
| RDATA_GROUP (G1_PEICC) |
| |
| #define FILECODE PROC_CPU_FEATURE_CPUSWC1E_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 |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------------------- |
| * E X P O R T E D F U N C T I O N S |
| *---------------------------------------------------------------------------------------- |
| */ |
| extern CPU_FAMILY_SUPPORT_TABLE SwC1eFamilyServiceTable; |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Should software C1e be enabled |
| * |
| * @param[in] PlatformConfig Contains the runtime modifiable feature input data. |
| * @param[in] StdHeader Config Handle for library, services. |
| * |
| * @retval TRUE SW C1e is supported. |
| * @retval FALSE SW C1e not supported. |
| * |
| */ |
| BOOLEAN |
| STATIC |
| IsSwC1eFeatureEnabled ( |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| BOOLEAN IsEnabled; |
| BOOLEAN IsOtherC1eEnabled; |
| AP_MAILBOXES ApMailboxes; |
| SW_C1E_FAMILY_SERVICES *SwFamilyServices; |
| |
| ASSERT (PlatformConfig->C1eMode < MaxC1eMode); |
| IsEnabled = FALSE; |
| |
| // Check whether software C1e is enabled only if other C1e methods is/are not supported |
| // or if the platform specifically uses C1eModeSoftwareDeprecated. |
| IsOtherC1eEnabled = (IsFeatureEnabled (HardwareC1e, PlatformConfig, StdHeader) || |
| IsFeatureEnabled (MsgBasedC1e, PlatformConfig, StdHeader)); |
| if ((PlatformConfig->C1eMode == C1eModeSoftwareDeprecated) || |
| ((!IsOtherC1eEnabled) && ((PlatformConfig->C1eMode == C1eModeHardwareSoftwareDeprecated) || (PlatformConfig->C1eMode == C1eModeAuto)))) { |
| ASSERT ((PlatformConfig->C1ePlatformData1 < 0x10000) && (PlatformConfig->C1ePlatformData1 != 0)); |
| ASSERT (PlatformConfig->C1ePlatformData2 < 0x100); |
| if ((PlatformConfig->C1ePlatformData1 != 0) && (PlatformConfig->C1ePlatformData1 < 0xFFFE) && (PlatformConfig->C1ePlatformData2 < 0xFF)) { |
| if (!IsNonCoherentHt1 (StdHeader)) { |
| if (GetNumberOfProcessors (StdHeader) == 1) { |
| GetApMailbox (&ApMailboxes.ApMailInfo.Info, StdHeader); |
| if (ApMailboxes.ApMailInfo.Fields.ModuleType == 0) { |
| GetFeatureServicesOfCurrentCore (&SwC1eFamilyServiceTable, (CONST VOID **)&SwFamilyServices, StdHeader); |
| if (SwFamilyServices != NULL) { |
| IsEnabled = SwFamilyServices->IsSwC1eSupported (SwFamilyServices, StdHeader); |
| } |
| } |
| } |
| } |
| } |
| } |
| return IsEnabled; |
| } |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Enable Software C1e |
| * |
| * @param[in] EntryPoint Timepoint designator. |
| * @param[in] PlatformConfig Contains the runtime modifiable feature input data. |
| * @param[in] StdHeader Config Handle for library, services. |
| * |
| * @return The most severe status of any family specific service. |
| * |
| */ |
| AGESA_STATUS |
| STATIC |
| InitializeSwC1eFeature ( |
| IN UINT64 EntryPoint, |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| AGESA_STATUS AgesaStatus; |
| SW_C1E_FAMILY_SERVICES *FamilyServices; |
| |
| AgesaStatus = AGESA_SUCCESS; |
| |
| IDS_HDT_CONSOLE (CPU_TRACE, " SW C1e is enabled\n"); |
| |
| if (IsWarmReset (StdHeader)) { |
| GetFeatureServicesOfCurrentCore (&SwC1eFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader); |
| AgesaStatus = FamilyServices->InitializeSwC1e (FamilyServices, EntryPoint, PlatformConfig, StdHeader); |
| } |
| |
| return AgesaStatus; |
| } |
| |
| CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeatureSwC1e = |
| { |
| SoftwareC1e, |
| CPU_FEAT_AFTER_PM_INIT, |
| IsSwC1eFeatureEnabled, |
| InitializeSwC1eFeature |
| }; |
