| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * AMD AGESA CPU HW 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 "cpuHwC1e.h" |
| #include "Filecode.h" |
| CODE_GROUP (G1_PEICC) |
| RDATA_GROUP (G1_PEICC) |
| |
| #define FILECODE PROC_CPU_FEATURE_CPUHWC1E_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 HwC1eFamilyServiceTable; |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Should hardware C1e be enabled |
| * |
| * @param[in] PlatformConfig Contains the runtime modifiable feature input data. |
| * @param[in] StdHeader Config Handle for library, services. |
| * |
| * @retval TRUE HW C1e is supported. |
| * @retval FALSE HW C1e cannot be enabled. |
| * |
| */ |
| BOOLEAN |
| STATIC |
| IsHwC1eFeatureEnabled ( |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| UINT32 C1eData; |
| BOOLEAN IsEnabled; |
| AP_MAILBOXES ApMailboxes; |
| HW_C1E_FAMILY_SERVICES *FamilyServices; |
| |
| ASSERT (PlatformConfig->C1eMode < MaxC1eMode); |
| IsEnabled = FALSE; |
| C1eData = PlatformConfig->C1ePlatformData; |
| if ((PlatformConfig->C1eMode == C1eModeHardware) || (PlatformConfig->C1eMode == C1eModeHardwareSoftwareDeprecated) || |
| (PlatformConfig->C1eMode == C1eModeAuto)) { |
| // If C1eMode is Auto, C1ePlatformData3 specifies the P_LVL3 I/O port of the platform for HW C1e |
| if (PlatformConfig->C1eMode == C1eModeAuto) { |
| C1eData = PlatformConfig->C1ePlatformData3; |
| } |
| ASSERT (C1eData < 0x10000); |
| ASSERT (C1eData != 0); |
| if ((C1eData != 0) && (C1eData < 0xFFFE)) { |
| if (!IsNonCoherentHt1 (StdHeader)) { |
| if (GetNumberOfProcessors (StdHeader) == 1) { |
| GetApMailbox (&ApMailboxes.ApMailInfo.Info, StdHeader); |
| if (ApMailboxes.ApMailInfo.Fields.ModuleType == 0) { |
| GetFeatureServicesOfCurrentCore (&HwC1eFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader); |
| if (FamilyServices != NULL) { |
| IsEnabled = FamilyServices->IsHwC1eSupported (FamilyServices, StdHeader); |
| } |
| } |
| } |
| } |
| } |
| } |
| return IsEnabled; |
| } |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Enable Hardware 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 |
| InitializeHwC1eFeature ( |
| IN UINT64 EntryPoint, |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| AGESA_STATUS CalledStatus; |
| AGESA_STATUS AgesaStatus; |
| HW_C1E_FAMILY_SERVICES *FamilyServices; |
| |
| AgesaStatus = AGESA_SUCCESS; |
| |
| IDS_HDT_CONSOLE (CPU_TRACE, " HW C1e is enabled\n"); |
| |
| if (IsWarmReset (StdHeader)) { |
| GetFeatureServicesOfCurrentCore (&HwC1eFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader); |
| CalledStatus = FamilyServices->InitializeHwC1e (FamilyServices, EntryPoint, PlatformConfig, StdHeader); |
| if (CalledStatus > AgesaStatus) { |
| AgesaStatus = CalledStatus; |
| } |
| } |
| return AgesaStatus; |
| } |
| |
| CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeatureHwC1e = |
| { |
| HardwareC1e, |
| CPU_FEAT_AFTER_PM_INIT, |
| IsHwC1eFeatureEnabled, |
| InitializeHwC1eFeature |
| }; |
