| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * AMD SLIT, ACPI table related API functions. |
| * |
| * Contains code that generates the SLIT table |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: CPU |
| * @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) |
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| ****************************************************************************** |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| * This file provides functions, that will generate SLIT tables |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------------------- |
| * M O D U L E S U S E D |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| #include "AGESA.h" |
| #include "amdlib.h" |
| #include "OptionSlit.h" |
| #include "heapManager.h" |
| #include "cpuLateInit.h" |
| #include "cpuRegisters.h" |
| #include "Ids.h" |
| #include "cpuFeatures.h" |
| #include "cpuFamilyTranslation.h" |
| #include "cpuL3Features.h" |
| #include "Filecode.h" |
| CODE_GROUP (G3_DXE) |
| RDATA_GROUP (G3_DXE) |
| |
| #define FILECODE PROC_CPU_FEATURE_CPUSLIT_FILECODE |
| /*---------------------------------------------------------------------------------------- |
| * D E F I N I T I O N S A N D M A C R O S |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| extern OPTION_SLIT_CONFIGURATION OptionSlitConfiguration; // global user config record |
| |
| STATIC ACPI_TABLE_HEADER ROMDATA CpuSlitHdrStruct = |
| { |
| {'S','L','I','T'}, |
| 0, |
| 1, |
| 0, |
| {'A','M','D',' ',' ',' '}, |
| {'A','G','E','S','A',' ',' ',' '}, |
| 1, |
| {'A','M','D',' '}, |
| 1 |
| }; |
| |
| /*---------------------------------------------------------------------------------------- |
| * 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 |
| AcpiSlitHBufferFind ( |
| IN OUT AMD_CONFIG_PARAMS *StdHeader, |
| IN UINT8 **SocketTopologyPtr |
| ); |
| |
| /*---------------------------------------------------------------------------------------- |
| * P R O T O T Y P E S O F E X P O R T E D F U N C T I O N S |
| *---------------------------------------------------------------------------------------- |
| */ |
| AGESA_STATUS |
| GetAcpiSlitStub ( |
| IN OUT AMD_CONFIG_PARAMS *StdHeader, |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN OUT VOID **SlitPtr |
| ); |
| |
| AGESA_STATUS |
| GetAcpiSlitMain ( |
| IN OUT AMD_CONFIG_PARAMS *StdHeader, |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN OUT VOID **SlitPtr |
| ); |
| |
| AGESA_STATUS |
| ReleaseSlitBufferStub ( |
| IN OUT AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| AGESA_STATUS |
| ReleaseSlitBuffer ( |
| IN OUT 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 L3FeatureFamilyServiceTable; |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function generates a complete SLIT table into a memory buffer. |
| * After completion, this table must be set by the system BIOS into its |
| * internal ACPI namespace, and linked into the RSDT/XSDT |
| * |
| * @param[in, out] StdHeader Standard Head Pointer |
| * @param[in] PlatformConfig Config handle for platform specific information |
| * @param[in, out] SlitPtr Point to Slit Struct including buffer address and length |
| * |
| * @retval UINT32 AGESA_STATUS |
| */ |
| AGESA_STATUS |
| CreateAcpiSlit ( |
| IN OUT AMD_CONFIG_PARAMS *StdHeader, |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN OUT VOID **SlitPtr |
| ) |
| { |
| AGESA_TESTPOINT (TpProcCpuEntrySlit, StdHeader); |
| return ((*(OptionSlitConfiguration.SlitFeature)) (StdHeader, PlatformConfig, SlitPtr)); |
| } |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * |
| * This is the default routine for use when the SLIT option is NOT requested. |
| * |
| * The option install process will create and fill the transfer vector with |
| * the address of the proper routine (Main or Stub). The link optimizer will |
| * strip out of the .DLL the routine that is not used. |
| * |
| * @param[in, out] StdHeader Standard Head Pointer |
| * @param[in] PlatformConfig Config handle for platform specific information |
| * @param[in, out] SlitPtr Point to Slit Struct including buffer address and length |
| * |
| * @retval AGESA_STATUS |
| */ |
| |
| AGESA_STATUS |
| GetAcpiSlitStub ( |
| IN OUT AMD_CONFIG_PARAMS *StdHeader, |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN OUT VOID **SlitPtr |
| ) |
| { |
| return AGESA_UNSUPPORTED; |
| } |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function generates a complete SLIT table into a memory buffer. |
| * After completion, this table must be set by the system BIOS into its |
| * internal ACPI namespace, and linked into the RSDT/XSDT |
| * |
| * @param[in, out] StdHeader Standard Head Pointer |
| * @param[in] PlatformConfig Config handle for platform specific information |
| * @param[in, out] SlitPtr Point to Slit Struct including buffer address and length |
| * |
| * @retval UINT32 AGESA_STATUS |
| */ |
| AGESA_STATUS |
| GetAcpiSlitMain ( |
| IN OUT AMD_CONFIG_PARAMS *StdHeader, |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN OUT VOID **SlitPtr |
| ) |
| { |
| UINT8 MaxHops; |
| UINT8 SocketNum; |
| UINT8 i; |
| UINT8 j; |
| UINT8 *BufferPtr; |
| UINT8 *SocketTopologyDataPtr; |
| UINT8 *SocketTopologyPtr; |
| UINT32 Socket; |
| BOOLEAN IsProbeFilterEnabled; |
| ACPI_TABLE_HEADER *CpuSlitHeaderStructPtr; |
| AGESA_STATUS Flag; |
| ALLOCATE_HEAP_PARAMS AllocStruct; |
| L3_FEATURE_FAMILY_SERVICES *FamilyServices; |
| |
| MaxHops = 0; |
| SocketTopologyPtr = NULL; |
| Flag = AGESA_ERROR; |
| IsProbeFilterEnabled = FALSE; |
| |
| // find out the pointer to the BufferHandle which contains |
| // Node Topology information |
| AcpiSlitHBufferFind (StdHeader, &SocketTopologyPtr); |
| if (SocketTopologyPtr == NULL) { |
| return (Flag); |
| } |
| |
| SocketNum = *SocketTopologyPtr; |
| |
| IDS_HDT_CONSOLE (CPU_TRACE, " SLIT is created\n"); |
| |
| // create a buffer by calling IBV callout routine |
| AllocStruct.RequestedBufferSize = (SocketNum * SocketNum) + AMD_ACPI_SLIT_SOCKET_NUM_LENGTH + sizeof (ACPI_TABLE_HEADER); |
| AllocStruct.BufferHandle = AMD_ACPI_SLIT_BUFFER_HANDLE; |
| AllocStruct.Persist = HEAP_SYSTEM_MEM; |
| if (HeapAllocateBuffer (&AllocStruct, StdHeader) != AGESA_SUCCESS) { |
| return (Flag); |
| } |
| *SlitPtr = AllocStruct.BufferPtr; |
| |
| //SLIT header |
| LibAmdMemCopy (*SlitPtr, (VOID *) &CpuSlitHdrStruct, (UINTN) (sizeof (ACPI_TABLE_HEADER)), StdHeader); |
| CpuSlitHeaderStructPtr = (ACPI_TABLE_HEADER *) *SlitPtr; |
| CpuSlitHeaderStructPtr->TableLength = (UINT32) AllocStruct.RequestedBufferSize; |
| BufferPtr = *SlitPtr; |
| |
| Flag = AGESA_SUCCESS; |
| // SLIT body |
| // Check if Probe Filter is enabled |
| if (IsFeatureEnabled (L3Features, PlatformConfig, StdHeader)) { |
| IsProbeFilterEnabled = TRUE; |
| for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { |
| if (IsProcessorPresent (Socket, StdHeader)) { |
| GetFeatureServicesOfSocket (&L3FeatureFamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader); |
| if ((FamilyServices == NULL) || (!FamilyServices->IsHtAssistSupported (FamilyServices, PlatformConfig, StdHeader))) { |
| IsProbeFilterEnabled = FALSE; |
| break; |
| } |
| } |
| } |
| } |
| |
| |
| if (!IsProbeFilterEnabled) { |
| // probe filter is disabled |
| // get MaxHops |
| SocketTopologyDataPtr = SocketTopologyPtr + sizeof (SocketNum); |
| for (i = 0; i < SocketNum; i++) { |
| for (j = 0; j < SocketNum; j++) { |
| if (*SocketTopologyDataPtr > MaxHops) { |
| MaxHops = *SocketTopologyDataPtr; |
| } |
| SocketTopologyDataPtr++; |
| } |
| } |
| |
| // the Max hop entries have a value of 13 |
| // and all other entries have 10. |
| SocketTopologyDataPtr = SocketTopologyPtr + sizeof (SocketNum); |
| for (i = 0; i < SocketNum; i++) { |
| for (j = 0; j < SocketNum; j++) { |
| if (*SocketTopologyDataPtr++ == MaxHops) { |
| *(BufferPtr + sizeof (ACPI_TABLE_HEADER) + |
| AMD_ACPI_SLIT_SOCKET_NUM_LENGTH + (i * SocketNum) + j) = 13; |
| } else { |
| *(BufferPtr + sizeof (ACPI_TABLE_HEADER) + |
| AMD_ACPI_SLIT_SOCKET_NUM_LENGTH + (i * SocketNum) + j) = 10; |
| } |
| } |
| } |
| } else { |
| // probe filter is enabled |
| // formula : num_hops * 6 + 10 |
| SocketTopologyDataPtr = SocketTopologyPtr + sizeof (SocketNum); |
| for (i = 0; i < SocketNum; i++) { |
| for (j = 0; j < SocketNum; j++) { |
| *(BufferPtr + sizeof (ACPI_TABLE_HEADER) + |
| AMD_ACPI_SLIT_SOCKET_NUM_LENGTH + (i * SocketNum) + j) = |
| ((*SocketTopologyDataPtr++) * 6) + 10; |
| } |
| } |
| } |
| |
| BufferPtr += sizeof (ACPI_TABLE_HEADER); |
| *((UINT64 *) BufferPtr) = (UINT64) SocketNum; |
| |
| //Update SLIT header Checksum |
| ChecksumAcpiTable ((ACPI_TABLE_HEADER *) *SlitPtr, StdHeader); |
| |
| return (Flag); |
| } |
| |
| /*--------------------------------------------------------------------------------------- |
| * L O C A L F U N C T I O N S |
| *--------------------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * |
| * Find out the pointer to the BufferHandle which contains |
| * Node Topology information |
| * |
| * @param[in, out] StdHeader Standard Head Pointer |
| * @param[in] SocketTopologyPtr Point to the address of Socket Topology |
| * |
| */ |
| VOID |
| STATIC |
| AcpiSlitHBufferFind ( |
| IN OUT AMD_CONFIG_PARAMS *StdHeader, |
| IN UINT8 **SocketTopologyPtr |
| ) |
| { |
| LOCATE_HEAP_PTR LocateBuffer; |
| |
| LocateBuffer.BufferHandle = HOP_COUNT_TABLE_HANDLE; |
| if (HeapLocateBuffer (&LocateBuffer, StdHeader) == AGESA_SUCCESS) { |
| *SocketTopologyPtr = (UINT8 *) LocateBuffer.BufferPtr; |
| } |
| |
| return; |
| } |
| |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * ReleaseSlitBufferStub |
| * |
| * Description: |
| * This is the default routine for use when the SLIT option is NOT requested. |
| * |
| * Parameters: |
| * @param[in, out] *StdHeader |
| * |
| * @retval AGESA_STATUS |
| * |
| */ |
| AGESA_STATUS |
| ReleaseSlitBufferStub ( |
| IN OUT AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| return AGESA_UNSUPPORTED; |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * ReleaseSlitBuffer |
| * |
| * Description: |
| * Deallocate SLIT buffer |
| * |
| * Parameters: |
| * @param[in, out] *StdHeader |
| * |
| * @retval AGESA_STATUS |
| * |
| */ |
| AGESA_STATUS |
| ReleaseSlitBuffer ( |
| IN OUT AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| HeapDeallocateBuffer ((UINT32) HOP_COUNT_TABLE_HANDLE, StdHeader); |
| |
| return AGESA_SUCCESS; |
| } |
