diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/F15TnIoCstate.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/F15TnIoCstate.c | 402 |
1 files changed, 402 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/F15TnIoCstate.c b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/F15TnIoCstate.c new file mode 100644 index 0000000000..acbf23edb1 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/F15TnIoCstate.c @@ -0,0 +1,402 @@ +/* $NoKeywords:$ */ +/** + * @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 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. + * + * AMD is granting you permission to use this software (the Materials) + * pursuant to the terms and conditions of your Software License Agreement + * with AMD. This header does *NOT* give you permission to use the Materials + * or any rights under AMD's intellectual property. Your use of any portion + * of these Materials shall constitute your acceptance of those terms and + * conditions. If you do not agree to the terms and conditions of the Software + * License Agreement, please do not use any portion of these Materials. + * + * CONFIDENTIALITY: The Materials and all other information, identified as + * confidential and provided to you by AMD shall be kept confidential in + * accordance with the terms and conditions of the Software License Agreement. + * + * LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION + * PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF + * MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE, + * OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE. + * IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER + * (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS + * INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE, + * GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER + * RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE + * EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, + * THE ABOVE LIMITATION MAY NOT APPLY TO YOU. + * + * AMD does not assume any responsibility for any errors which may appear in + * the Materials or any other related information provided to you by AMD, or + * result from use of the Materials or any related information. + * + * You agree that you will not reverse engineer or decompile the Materials. + * + * NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any + * further information, software, technical information, know-how, or show-how + * available to you. Additionally, AMD retains the right to modify the + * Materials at any time, without notice, and is not obligated to provide such + * modified Materials to you. + * + * U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with + * "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is + * subject to the restrictions as set forth in FAR 52.227-14 and + * DFAR252.227-7013, et seq., or its successor. Use of the Materials by the + * Government constitutes acknowledgement of AMD's proprietary rights in them. + * + * EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any + * direct product thereof will be exported directly or indirectly, into any + * country prohibited by the United States Export Administration Act and the + * regulations thereunder, without the required authorization from the U.S. + * government nor will be used for any purpose prohibited by the same. + ****************************************************************************** + */ +/*---------------------------------------------------------------------------------------- + * 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 +}; |