/* $NoKeywords:$ */ /** * @file * * AMD AGESA CPU Core performance boost feature support code. * * Contains code that declares the AGESA CPU CPB related APIs * * @xrefitem bom "File Content Label" "Release Content" * @e project: AGESA * @e sub-project: CPU/Feature * @e \$Revision: 56279 $ @e \$Date: 2011-07-11 13:11:28 -0600 (Mon, 11 Jul 2011) $ * */ /* ****************************************************************************** * * Copyright (C) 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 "cpuFamilyTranslation.h" #include "cpuFeatures.h" #include "cpuCpb.h" #include "Filecode.h" CODE_GROUP (G1_PEICC) RDATA_GROUP (G2_PEI) #define FILECODE PROC_CPU_FEATURE_CPUCPB_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 CpbFamilyServiceTable; /*---------------------------------------------------------------------------------------*/ /** * Should CPB be enabled * * @param[in] PlatformConfig Contains the runtime modifiable feature input data. * @param[in] StdHeader Config Handle for library, services. * * @retval TRUE CPB is supported. * @retval FALSE CPB cannot be enabled. * */ BOOLEAN STATIC IsCpbFeatureEnabled ( IN PLATFORM_CONFIGURATION *PlatformConfig, IN AMD_CONFIG_PARAMS *StdHeader ) { UINT32 Socket; BOOLEAN IsEnabled; CPB_FAMILY_SERVICES *FamilyServices; IsEnabled = FALSE; ASSERT (PlatformConfig->CpbMode < MaxCpbMode); if (PlatformConfig->CpbMode == CpbModeAuto) { for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { if (IsProcessorPresent (Socket, StdHeader)) { GetFeatureServicesOfSocket (&CpbFamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader); if (FamilyServices != NULL) { if (FamilyServices->IsCpbSupported (FamilyServices, PlatformConfig, Socket, StdHeader)) { IsEnabled = TRUE; break; } } } } } return IsEnabled; } /*---------------------------------------------------------------------------------------*/ /** * Enable core performance boost * * @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 InitializeCpbFeature ( IN UINT64 EntryPoint, IN PLATFORM_CONFIGURATION *PlatformConfig, IN AMD_CONFIG_PARAMS *StdHeader ) { UINT32 Socket; AGESA_STATUS AgesaStatus; AGESA_STATUS CalledStatus; CPB_FAMILY_SERVICES *FamilyServices; AgesaStatus = AGESA_SUCCESS; CalledStatus = AGESA_SUCCESS; IDS_HDT_CONSOLE (CPU_TRACE, " Boost is enabled\n"); for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { if (IsProcessorPresent (Socket, StdHeader)) { GetFeatureServicesOfSocket (&CpbFamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader); if (FamilyServices != NULL) { if (FamilyServices->IsCpbSupported (FamilyServices, PlatformConfig, Socket, StdHeader)) { CalledStatus = FamilyServices->EnableCpbOnSocket (FamilyServices, PlatformConfig, EntryPoint, Socket, StdHeader); if (CalledStatus > AgesaStatus) { AgesaStatus = CalledStatus; } } } } } return AgesaStatus; } CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeatureCpb = { CoreBoost, (CPU_FEAT_BEFORE_PM_INIT | CPU_FEAT_AFTER_PM_INIT | CPU_FEAT_INIT_LATE_END | CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_S3_LATE_RESTORE_END | CPU_FEAT_AFTER_RESUME_MTRR_SYNC), IsCpbFeatureEnabled, InitializeCpbFeature };