diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/cpuC6State.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/cpuC6State.c | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/cpuC6State.c b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/cpuC6State.c new file mode 100644 index 0000000000..0e55e48a19 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/cpuC6State.c @@ -0,0 +1,287 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD AGESA CPU C6 feature support code. + * + * Contains code that declares the AGESA CPU C6 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. + * + * 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 "cpuRegisters.h" +#include "cpuEarlyInit.h" +#include "GeneralServices.h" +#include "cpuFamilyTranslation.h" +#include "OptionMultiSocket.h" +#include "cpuApicUtilities.h" +#include "cpuServices.h" +#include "cpuFeatures.h" +#include "cpuC6State.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_CPU_FEATURE_CPUC6STATE_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 + *---------------------------------------------------------------------------------------- + */ +VOID +STATIC +EnableC6OnSocket ( + IN VOID *EntryPoint, + IN AMD_CONFIG_PARAMS *StdHeader, + IN AMD_CPU_EARLY_PARAMS *CpuEarlyParams + ); + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ +extern CPU_FAMILY_SUPPORT_TABLE C6FamilyServiceTable; +extern OPTION_MULTISOCKET_CONFIGURATION OptionMultiSocketConfiguration; + +/*---------------------------------------------------------------------------------------*/ +/** + * Should C6 be enabled + * + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] StdHeader Config Handle for library, services. + * + * @retval TRUE C6 is supported. + * @retval FALSE C6 cannot be enabled. + * + */ +BOOLEAN +STATIC +IsC6FeatureEnabled ( + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 Socket; + BOOLEAN IsEnabled; + C6_FAMILY_SERVICES *FamilyServices; + + IsEnabled = FALSE; + if (PlatformConfig->CStateMode == CStateModeC6) { + IsEnabled = TRUE; + for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { + if (IsProcessorPresent (Socket, StdHeader)) { + GetFeatureServicesOfSocket (&C6FamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader); + if ((FamilyServices == NULL) || !FamilyServices->IsC6Supported (FamilyServices, Socket, PlatformConfig, StdHeader)) { + IsEnabled = FALSE; + break; + } + } + } + } + return IsEnabled; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Enable the C6 C-state + * + * @param[in] EntryPoint Timepoint designator. + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] StdHeader Config Handle for library, services. + * + * @retval AGESA_SUCCESS Always succeeds. + * + */ +AGESA_STATUS +STATIC +InitializeC6Feature ( + IN UINT64 EntryPoint, + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 BscSocket; + UINT32 Ignored; + UINT32 BscCoreNum; + UINT32 Core; + UINT32 Socket; + UINT32 NumberOfSockets; + UINT32 NumberOfCores; + AP_TASK TaskPtr; + AMD_CPU_EARLY_PARAMS CpuEarlyParams; + C6_FAMILY_SERVICES *C6FamilyServices; + AGESA_STATUS IgnoredSts; + + CpuEarlyParams.PlatformConfig = *PlatformConfig; + + TaskPtr.FuncAddress.PfApTaskIC = EnableC6OnSocket; + TaskPtr.DataTransfer.DataSizeInDwords = 2; + TaskPtr.DataTransfer.DataPtr = &EntryPoint; + TaskPtr.DataTransfer.DataTransferFlags = 0; + TaskPtr.ExeFlags = PASS_EARLY_PARAMS; + OptionMultiSocketConfiguration.BscRunCodeOnAllSystemCore0s (&TaskPtr, StdHeader, &CpuEarlyParams); + + if ((EntryPoint & (CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_AFTER_RESUME_MTRR_SYNC)) != 0) { + // Load any required microcode patches on both normal boot and resume from S3. + IdentifyCore (StdHeader, &BscSocket, &Ignored, &BscCoreNum, &IgnoredSts); + GetFeatureServicesOfSocket (&C6FamilyServiceTable, BscSocket, (CONST VOID **)&C6FamilyServices, StdHeader); + if (C6FamilyServices != NULL) { + C6FamilyServices->ReloadMicrocodePatchAfterMemInit (StdHeader); + } + + // run code on all APs + TaskPtr.DataTransfer.DataSizeInDwords = 0; + TaskPtr.ExeFlags = 0; + + NumberOfSockets = GetPlatformNumberOfSockets (); + + for (Socket = 0; Socket < NumberOfSockets; Socket++) { + if (IsProcessorPresent (Socket, StdHeader)) { + GetFeatureServicesOfSocket (&C6FamilyServiceTable, Socket, (CONST VOID **)&C6FamilyServices, StdHeader); + if (C6FamilyServices != NULL) { + // run code on all APs + TaskPtr.FuncAddress.PfApTask = C6FamilyServices->ReloadMicrocodePatchAfterMemInit; + if (GetActiveCoresInGivenSocket (Socket, &NumberOfCores, StdHeader)) { + for (Core = 0; Core < NumberOfCores; Core++) { + if ((Socket != BscSocket) || (Core != BscCoreNum)) { + ApUtilRunCodeOnSocketCore ((UINT8) Socket, (UINT8) Core, &TaskPtr, StdHeader); + } + } + } + } + } + } + } + return AGESA_SUCCESS; +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * 'Local' core 0 task to enable C6 on it's socket. + * + * @param[in] EntryPoint Timepoint designator. + * @param[in] StdHeader Config Handle for library, services. + * @param[in] CpuEarlyParams Service parameters. + * + */ +VOID +STATIC +EnableC6OnSocket ( + IN VOID *EntryPoint, + IN AMD_CONFIG_PARAMS *StdHeader, + IN AMD_CPU_EARLY_PARAMS *CpuEarlyParams + ) +{ + + C6_FAMILY_SERVICES *FamilyServices; + + IDS_HDT_CONSOLE (CPU_TRACE, " C6 is enabled\n"); + + GetFeatureServicesOfCurrentCore (&C6FamilyServiceTable, (CONST VOID **)&FamilyServices, StdHeader); + FamilyServices->InitializeC6 (FamilyServices, + *((UINT64 *) EntryPoint), + &CpuEarlyParams->PlatformConfig, + StdHeader); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Reload microcode patch after memory is initialized. + * + * @param[in] StdHeader Config Handle for library, services. + * + */ +VOID +ReloadMicrocodePatchAfterMemInit ( + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + LoadMicrocodePatch (StdHeader); +} + + +CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeatureC6State = +{ + C6Cstate, + (CPU_FEAT_AFTER_PM_INIT | CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_AFTER_RESUME_MTRR_SYNC), + IsC6FeatureEnabled, + InitializeC6Feature +}; |