/* $NoKeywords:$ */ /** * @file * * AMD Family_15 Trinity IO C-state feature support functions. * * Provides the functions necessary to initialize the IO C-state feature. * * @xrefitem bom "File Content Label" "Release Content" * @e project: AGESA * @e sub-project: CPU/Family/0x15/TN * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ * */ /* ****************************************************************************** * * Copyright (c) 2008 - 2012, Advanced Micro Devices, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Advanced Micro Devices, Inc. nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ****************************************************************************** */ /*---------------------------------------------------------------------------------------- * M O D U L E S U S E D *---------------------------------------------------------------------------------------- */ #include "AGESA.h" #include "amdlib.h" #include "Ids.h" #include "cpuFeatures.h" #include "cpuIoCstate.h" #include "cpuF15PowerMgmt.h" #include "cpuF15TnPowerMgmt.h" #include "cpuLateInit.h" #include "cpuRegisters.h" #include "cpuServices.h" #include "cpuApicUtilities.h" #include "cpuFamilyTranslation.h" #include "CommonReturns.h" #include "Filecode.h" CODE_GROUP (G3_DXE) RDATA_GROUP (G3_DXE) #define FILECODE PROC_CPU_FAMILY_0X15_TN_F15TNIOCSTATE_FILECODE /*---------------------------------------------------------------------------------------- * 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 F15TnInitializeIoCstateOnCore ( IN VOID *CstateBaseMsr, IN AMD_CONFIG_PARAMS *StdHeader ); BOOLEAN F15TnIsCsdObjGenerated ( IN IO_CSTATE_FAMILY_SERVICES *IoCstateServices, IN AMD_CONFIG_PARAMS *StdHeader ); /*---------------------------------------------------------------------------------------- * D E F I N I T I O N S A N D M A C R O S *---------------------------------------------------------------------------------------- */ extern CPU_FAMILY_SUPPORT_TABLE IoCstateFamilyServiceTable; /*---------------------------------------------------------------------------------------- * E X P O R T E D F U N C T I O N S *---------------------------------------------------------------------------------------- */ /*---------------------------------------------------------------------------------------*/ /** * Enable IO Cstate on a family 15h Trinity CPU. * Implement BIOS Requirements for Initialization of C-states * * @param[in] IoCstateServices Pointer to this CPU's IO Cstate family services. * @param[in] EntryPoint Timepoint designator. * @param[in] PlatformConfig Contains the runtime modifiable feature input data. * @param[in] StdHeader Config Handle for library, services. * * @return AGESA_SUCCESS Always succeeds. * */ AGESA_STATUS STATIC F15TnInitializeIoCstate ( IN IO_CSTATE_FAMILY_SERVICES *IoCstateServices, IN UINT64 EntryPoint, IN PLATFORM_CONFIGURATION *PlatformConfig, IN AMD_CONFIG_PARAMS *StdHeader ) { UINT64 LocalMsrRegister; AP_TASK TaskPtr; PCI_ADDR PciAddress; CSTATE_POLICY_CTRL1_REGISTER CstatePolicyCtrl1; if ((EntryPoint & CPU_FEAT_AFTER_PM_INIT) != 0) { // Initialize F4x128 // bit[1] CoreCstatePolicy = 0 // bit[4:2] HaltCstateIndex = 0 // bit[31] CstateMsgDis = 1 PciAddress.AddressValue = CSTATE_POLICY_CTRL1_PCI_ADDR; LibAmdPciRead (AccessWidth32, PciAddress, &CstatePolicyCtrl1, StdHeader); CstatePolicyCtrl1.CoreCstatePolicy = 0; CstatePolicyCtrl1.HaltCstateIndex = 0; CstatePolicyCtrl1.CstateMsgDis = 1; LibAmdPciWrite (AccessWidth32, PciAddress, &CstatePolicyCtrl1, StdHeader); // Initialize MSRC001_0073[CstateAddr] on each core to a region of // the IO address map with 8 consecutive available addresses. LocalMsrRegister = 0; IDS_HDT_CONSOLE (CPU_TRACE, " Init IO C-state Base at 0x%x\n", PlatformConfig->CStateIoBaseAddress); ((CSTATE_ADDRESS_MSR *) &LocalMsrRegister)->CstateAddr = PlatformConfig->CStateIoBaseAddress; TaskPtr.FuncAddress.PfApTaskI = F15TnInitializeIoCstateOnCore; TaskPtr.DataTransfer.DataSizeInDwords = 2; TaskPtr.DataTransfer.DataPtr = &LocalMsrRegister; TaskPtr.DataTransfer.DataTransferFlags = 0; TaskPtr.ExeFlags = WAIT_FOR_CORE; ApUtilRunCodeOnAllLocalCoresAtEarly (&TaskPtr, StdHeader, NULL); } return AGESA_SUCCESS; } /*---------------------------------------------------------------------------------------*/ /** * Enable CState on a family 15h Trinity core. * * @param[in] CstateBaseMsr MSR value to write to C001_0073 as determined by core 0. * @param[in] StdHeader Config Handle for library, services. * */ VOID STATIC F15TnInitializeIoCstateOnCore ( IN VOID *CstateBaseMsr, IN AMD_CONFIG_PARAMS *StdHeader ) { // Initialize MSRC001_0073[CstateAddr] on each core LibAmdMsrWrite (MSR_CSTATE_ADDRESS, (UINT64 *) CstateBaseMsr, StdHeader); } /*---------------------------------------------------------------------------------------*/ /** * Returns the size of CST object * * @param[in] IoCstateServices IO Cstate services. * @param[in] PlatformConfig Contains the runtime modifiable feature input data * @param[in] StdHeader Config Handle for library, services. * * @retval CstObjSize Size of CST Object * */ UINT32 STATIC F15TnGetAcpiCstObj ( IN IO_CSTATE_FAMILY_SERVICES *IoCstateServices, IN PLATFORM_CONFIGURATION *PlatformConfig, IN AMD_CONFIG_PARAMS *StdHeader ) { BOOLEAN GenerateCsdObj; UINT32 CStateAcpiObjSize; IO_CSTATE_FAMILY_SERVICES *FamilyServices; ACPI_CST_GET_INPUT CstGetInput; CstGetInput.IoCstateServices = IoCstateServices; CstGetInput.PlatformConfig = PlatformConfig; CstGetInput.CStateAcpiObjSizePtr = &CStateAcpiObjSize; IDS_SKIP_HOOK (IDS_CST_SIZE, &CstGetInput, StdHeader) { CStateAcpiObjSize = CST_HEADER_SIZE + CST_BODY_SIZE; // If CSD Object is generated, add the size of CSD Object to the total size of // CState ACPI Object size GetFeatureServicesOfCurrentCore (&IoCstateFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader); ASSERT (FamilyServices != NULL); GenerateCsdObj = FamilyServices->IsCsdObjGenerated (FamilyServices, StdHeader); if (GenerateCsdObj) { CStateAcpiObjSize += CSD_HEADER_SIZE + CSD_BODY_SIZE; } } return CStateAcpiObjSize; } /*---------------------------------------------------------------------------------------*/ /** * Routine to generate the C-State ACPI objects * * @param[in] IoCstateServices IO Cstate services. * @param[in] LocalApicId Local Apic Id for each core. * @param[in, out] **PstateAcpiBufferPtr Pointer to the Acpi Buffer Pointer. * @param[in] StdHeader Config Handle for library, services. * */ VOID STATIC F15TnCreateAcpiCstObj ( IN IO_CSTATE_FAMILY_SERVICES *IoCstateServices, IN UINT8 LocalApicId, IN OUT VOID **PstateAcpiBufferPtr, IN AMD_CONFIG_PARAMS *StdHeader ) { UINT64 MsrData; BOOLEAN GenerateCsdObj; CST_HEADER_STRUCT *CstHeaderPtr; CST_BODY_STRUCT *CstBodyPtr; CSD_HEADER_STRUCT *CsdHeaderPtr; CSD_BODY_STRUCT *CsdBodyPtr; IO_CSTATE_FAMILY_SERVICES *FamilyServices; ACPI_CST_CREATE_INPUT CstInput; CstInput.IoCstateServices = IoCstateServices; CstInput.LocalApicId = LocalApicId; CstInput.PstateAcpiBufferPtr = PstateAcpiBufferPtr; IDS_SKIP_HOOK (IDS_CST_CREATE, &CstInput, StdHeader) { // Read from MSR C0010073 to obtain CstateAddr LibAmdMsrRead (MSR_CSTATE_ADDRESS, &MsrData, StdHeader); // Typecast the pointer CstHeaderPtr = (CST_HEADER_STRUCT *) *PstateAcpiBufferPtr; // Set CST Header CstHeaderPtr->NameOpcode = NAME_OPCODE; CstHeaderPtr->CstName_a__ = CST_NAME__; CstHeaderPtr->CstName_a_C = CST_NAME_C; CstHeaderPtr->CstName_a_S = CST_NAME_S; CstHeaderPtr->CstName_a_T = CST_NAME_T; // Typecast the pointer CstHeaderPtr++; CstBodyPtr = (CST_BODY_STRUCT *) CstHeaderPtr; // Set CST Body CstBodyPtr->PkgOpcode = PACKAGE_OPCODE; CstBodyPtr->PkgLength = CST_LENGTH; CstBodyPtr->PkgElements = CST_NUM_OF_ELEMENTS; CstBodyPtr->BytePrefix = BYTE_PREFIX_OPCODE; CstBodyPtr->Count = CST_COUNT; CstBodyPtr->PkgOpcode2 = PACKAGE_OPCODE; CstBodyPtr->PkgLength2 = CST_PKG_LENGTH; CstBodyPtr->PkgElements2 = CST_PKG_ELEMENTS; CstBodyPtr->BufferOpcode = BUFFER_OPCODE; CstBodyPtr->BufferLength = CST_SUBPKG_LENGTH; CstBodyPtr->BufferElements = CST_SUBPKG_ELEMENTS; CstBodyPtr->BufferOpcode2 = BUFFER_OPCODE; CstBodyPtr->GdrOpcode = GENERIC_REG_DESCRIPTION; CstBodyPtr->GdrLength = CST_GDR_LENGTH; CstBodyPtr->AddrSpaceId = GDR_ASI_SYSTEM_IO; CstBodyPtr->RegBitWidth = 0x08; CstBodyPtr->RegBitOffset = 0x00; CstBodyPtr->AddressSize = GDR_ASZ_BYTE_ACCESS; CstBodyPtr->RegisterAddr = ((CSTATE_ADDRESS_MSR *) &MsrData)->CstateAddr + 1; CstBodyPtr->EndTag = 0x0079; CstBodyPtr->BytePrefix2 = BYTE_PREFIX_OPCODE; CstBodyPtr->Type = CST_C2_TYPE; CstBodyPtr->WordPrefix = WORD_PREFIX_OPCODE; CstBodyPtr->Latency = 100; CstBodyPtr->DWordPrefix = DWORD_PREFIX_OPCODE; CstBodyPtr->Power = 0; CstBodyPtr++; //Update the pointer *PstateAcpiBufferPtr = CstBodyPtr; // Check whether CSD object should be generated GetFeatureServicesOfCurrentCore (&IoCstateFamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader); ASSERT (FamilyServices != NULL); GenerateCsdObj = FamilyServices->IsCsdObjGenerated (FamilyServices, StdHeader); if (GenerateCsdObj) { CsdHeaderPtr = (CSD_HEADER_STRUCT *) *PstateAcpiBufferPtr; // Set CSD Header CsdHeaderPtr->NameOpcode = NAME_OPCODE; CsdHeaderPtr->CsdName_a__ = CST_NAME__; CsdHeaderPtr->CsdName_a_C = CST_NAME_C; CsdHeaderPtr->CsdName_a_S = CST_NAME_S; CsdHeaderPtr->CsdName_a_D = CSD_NAME_D; CsdHeaderPtr++; CsdBodyPtr = (CSD_BODY_STRUCT *) CsdHeaderPtr; // Set CSD Body CsdBodyPtr->PkgOpcode = PACKAGE_OPCODE; CsdBodyPtr->PkgLength = CSD_BODY_SIZE - 1; CsdBodyPtr->PkgElements = 1; CsdBodyPtr->PkgOpcode2 = PACKAGE_OPCODE; CsdBodyPtr->PkgLength2 = CSD_BODY_SIZE - 4; // CSD_BODY_SIZE - Package() - Package Opcode CsdBodyPtr->PkgElements2 = 6; CsdBodyPtr->BytePrefix = BYTE_PREFIX_OPCODE; CsdBodyPtr->NumEntries = 6; CsdBodyPtr->BytePrefix2 = BYTE_PREFIX_OPCODE; CsdBodyPtr->Revision = 0; CsdBodyPtr->DWordPrefix = DWORD_PREFIX_OPCODE; CsdBodyPtr->Domain = (LocalApicId & 0xFE) >> 1; CsdBodyPtr->DWordPrefix2 = DWORD_PREFIX_OPCODE; CsdBodyPtr->CoordType = CSD_COORD_TYPE_HW_ALL; CsdBodyPtr->DWordPrefix3 = DWORD_PREFIX_OPCODE; CsdBodyPtr->NumProcessors = 0x2; CsdBodyPtr->DWordPrefix4 = DWORD_PREFIX_OPCODE; CsdBodyPtr->Index = 0x0; CsdBodyPtr++; // Update the pointer *PstateAcpiBufferPtr = CsdBodyPtr; } } } /*---------------------------------------------------------------------------------------*/ /** * Routine to check whether CSD object should be created. * * @param[in] IoCstateServices IO Cstate services. * @param[in] StdHeader Config Handle for library, services. * * @retval TRUE CSD Object should be created. * @retval FALSE CSD Object should not be created. * */ BOOLEAN F15TnIsCsdObjGenerated ( IN IO_CSTATE_FAMILY_SERVICES *IoCstateServices, IN AMD_CONFIG_PARAMS *StdHeader ) { // CSD Object should only be created when there are two cores per compute unit if (GetComputeUnitMapping (StdHeader) == EvenCoresMapping) { return TRUE; } return FALSE; } CONST IO_CSTATE_FAMILY_SERVICES ROMDATA F15TnIoCstateSupport = { 0, (PF_IO_CSTATE_IS_SUPPORTED) CommonReturnTrue, F15TnInitializeIoCstate, F15TnGetAcpiCstObj, F15TnCreateAcpiCstObj, F15TnIsCsdObjGenerated };