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Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/cpuL3Features.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/cpuL3Features.c | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/cpuL3Features.c b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/cpuL3Features.c new file mode 100644 index 0000000000..7f680ae0b9 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/cpuL3Features.c @@ -0,0 +1,376 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD CPU L3 Features Initialization functions. + * + * Contains code for initializing L3 features. + * + * @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) + * 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. + ****************************************************************************** + */ + + +/* + *---------------------------------------------------------------------------- + * MODULES USED + * + *---------------------------------------------------------------------------- + */ + +#include "AGESA.h" +#include "amdlib.h" +#include "Ids.h" +#include "cpuRegisters.h" +#include "cpuLateInit.h" +#include "cpuFamilyTranslation.h" +#include "cpuServices.h" +#include "GeneralServices.h" +#include "cpuFeatures.h" +#include "cpuL3Features.h" +#include "Filecode.h" +CODE_GROUP (G2_PEI) +RDATA_GROUP (G2_PEI) + +#define FILECODE PROC_CPU_FEATURE_CPUL3FEATURES_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ +extern CPU_FAMILY_SUPPORT_TABLE L3FeatureFamilyServiceTable; + +/*---------------------------------------------------------------------------------------*/ +/** + * Should L3 features be enabled + * + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] StdHeader Config Handle for library, services. + * + * @retval TRUE L3 Features are supported + * @retval FALSE L3 Features are not supported + * + */ +BOOLEAN +STATIC +IsL3FeatureEnabled ( + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + BOOLEAN IsEnabled; + UINT32 Socket; + L3_FEATURE_FAMILY_SERVICES *FamilyServices; + + IsEnabled = FALSE; + if (PlatformConfig->PlatformProfile.UseHtAssist || + PlatformConfig->PlatformProfile.UseAtmMode) { + IsEnabled = TRUE; + for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { + if (IsProcessorPresent (Socket, StdHeader)) { + GetFeatureServicesOfSocket (&L3FeatureFamilyServiceTable, Socket, (CONST VOID **)&FamilyServices, StdHeader); + if ((FamilyServices == NULL) || !FamilyServices->IsL3FeatureSupported (FamilyServices, Socket, StdHeader)) { + IsEnabled = FALSE; + break; + } + } + } + } + return IsEnabled; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Enable L3 dependent features. + * + * L3 features initialization requires the following series of steps. + * 1. Disable L3 and DRAM scrubbers on all nodes + * 2. Wait 40us for outstanding scrub results to complete + * 3. Disable all cache activity in the system + * 4. Issue WBINVD on all active cores + * 5. Initialize Probe Filter, if supported + * 6. Initialize ATM Mode, if supported + * 7. Enable all cache activity in the system + * 8. Restore L3 and DRAM scrubber register values + * + * @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 +InitializeL3Feature ( + IN UINT64 EntryPoint, + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 CpuCount; + UINT32 Socket; + BOOLEAN HtAssistEnabled; + BOOLEAN AtmModeEnabled; + AGESA_STATUS AgesaStatus; + AP_MAILBOXES ApMailboxes; + AP_EXE_PARAMS ApParams; + UINT32 Scrubbers[MAX_SOCKETS_SUPPORTED][L3_SCRUBBER_CONTEXT_ARRAY_SIZE]; + L3_FEATURE_FAMILY_SERVICES *FamilyServices[MAX_SOCKETS_SUPPORTED]; + + AgesaStatus = AGESA_SUCCESS; + HtAssistEnabled = TRUE; + AtmModeEnabled = TRUE; + + IDS_HDT_CONSOLE (CPU_TRACE, " Enabling L3 dependent features\n"); + + // There are many family service call outs. Initialize the family service array while + // cache is still enabled. + for (Socket = 0; Socket < MAX_SOCKETS_SUPPORTED; Socket++) { + if (IsProcessorPresent (Socket, StdHeader)) { + GetFeatureServicesOfSocket (&L3FeatureFamilyServiceTable, Socket, (CONST VOID **)&FamilyServices[Socket], StdHeader); + } else { + FamilyServices[Socket] = NULL; + } + } + + if (EntryPoint == CPU_FEAT_AFTER_POST_MTRR_SYNC) { + // Check for optimal settings + GetApMailbox (&ApMailboxes.ApMailInfo.Info, StdHeader); + CpuCount = GetNumberOfProcessors (StdHeader); + if (((CpuCount == 1) && (ApMailboxes.ApMailInfo.Fields.ModuleType == 1)) || + ((CpuCount == 2) && (ApMailboxes.ApMailInfo.Fields.ModuleType == 0))) { + for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { + // Only check for non-optimal HT Assist setting is if's supported. + if ((FamilyServices[Socket] != NULL) && + (FamilyServices[Socket]->IsHtAssistSupported (FamilyServices[Socket], PlatformConfig, StdHeader))) { + if (FamilyServices[Socket]->IsNonOptimalConfig (FamilyServices[Socket], Socket, StdHeader)) { + // Non-optimal settings. Log an event. + AgesaStatus = AGESA_WARNING; + PutEventLog (AgesaStatus, CPU_WARNING_NONOPTIMAL_HT_ASSIST_CFG, 0, 0, 0, 0, StdHeader); + break; + } + } + } + } + } else { + // Disable the scrubbers. + for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { + if (FamilyServices[Socket] != NULL) { + FamilyServices[Socket]->GetL3ScrubCtrl (FamilyServices[Socket], Socket, &Scrubbers[Socket][0], StdHeader); + + // If any node in the system does not support Probe Filter, disable it on the system + if (!FamilyServices[Socket]->IsHtAssistSupported (FamilyServices[Socket], PlatformConfig, StdHeader)) { + HtAssistEnabled = FALSE; + } + // If any node in the system does not support ATM mode, disable it on the system + if (!FamilyServices[Socket]->IsAtmModeSupported (FamilyServices[Socket], PlatformConfig, StdHeader)) { + AtmModeEnabled = FALSE; + } + } + } + + // Wait for 40us + WaitMicroseconds ((UINT32) 40, StdHeader); + + // Run DisableAllCaches on AP cores. + ApParams.StdHeader = *StdHeader; + ApParams.FunctionNumber = AP_LATE_TASK_DISABLE_CACHE; + ApParams.RelatedDataBlock = (VOID *) &HtAssistEnabled; + ApParams.RelatedBlockLength = sizeof (BOOLEAN); + RunLateApTaskOnAllAPs (&ApParams, StdHeader); + + // Run DisableAllCaches on core 0. + DisableAllCaches (&ApParams); + + // Family hook before initialization. + for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { + if (FamilyServices[Socket] != NULL) { + FamilyServices[Socket]->HookBeforeInit (FamilyServices[Socket], Socket, StdHeader); + } + } + + // Activate Probe Filter & ATM mode. + for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { + if (FamilyServices[Socket] != NULL) { + if (HtAssistEnabled) { + FamilyServices[Socket]->HtAssistInit (FamilyServices[Socket], Socket, StdHeader); + } + if (AtmModeEnabled) { + FamilyServices[Socket]->AtmModeInit (FamilyServices[Socket], Socket, StdHeader); + } + } + } + + // Family hook after initialization. + for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { + if (FamilyServices[Socket] != NULL) { + FamilyServices[Socket]->HookAfterInit (FamilyServices[Socket], Socket, StdHeader); + } + } + + // Run EnableAllCaches on core 0. + EnableAllCaches (&ApParams); + + // Run EnableAllCaches on every core. + ApParams.FunctionNumber = AP_LATE_TASK_ENABLE_CACHE; + RunLateApTaskOnAllAPs (&ApParams, StdHeader); + + // Restore the scrubbers. + for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { + if (FamilyServices[Socket] != NULL) { + FamilyServices[Socket]->SetL3ScrubCtrl (FamilyServices[Socket], Socket, &Scrubbers[Socket][0], StdHeader); + } + } + } + + return AgesaStatus; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * + * Disable all the caches on current core. + * + * @param[in] ApExeParams Handle to config for library and services. + * + * @retval AGESA_SUCCESS Always succeeds. + * + */ +AGESA_STATUS +DisableAllCaches ( + IN AP_EXE_PARAMS *ApExeParams + ) +{ + UINT32 CR0Data; + L3_FEATURE_FAMILY_SERVICES *FamilyServices; + + // Disable cache through CR0. + LibAmdReadCpuReg (0, &CR0Data); + CR0Data |= (0x60000000); + LibAmdWriteCpuReg (0, CR0Data); + + // Execute wbinvd + LibAmdWriteBackInvalidateCache (); + + GetFeatureServicesOfCurrentCore (&L3FeatureFamilyServiceTable, (CONST VOID **)&FamilyServices, &ApExeParams->StdHeader); + + FamilyServices->HookDisableCache (FamilyServices, *(BOOLEAN *) ApExeParams->RelatedDataBlock, &ApExeParams->StdHeader); + + return AGESA_SUCCESS; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * + * Enable all the caches on current core. + * + * @param[in] ApExeParams Handle to config for library and services. + * + * @retval AGESA_SUCCESS Always succeeds. + * + */ +AGESA_STATUS +EnableAllCaches ( + IN AP_EXE_PARAMS *ApExeParams + ) +{ + UINT32 CR0Data; + L3_FEATURE_FAMILY_SERVICES *FamilyServices; + + // Enable cache through CR0. + LibAmdReadCpuReg (0, &CR0Data); + CR0Data &= ~(0x60000000); + LibAmdWriteCpuReg (0, CR0Data); + + GetFeatureServicesOfCurrentCore (&L3FeatureFamilyServiceTable, (CONST VOID **)&FamilyServices, &ApExeParams->StdHeader); + + FamilyServices->HookEnableCache (FamilyServices, &ApExeParams->StdHeader); + + return AGESA_SUCCESS; +} + +CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuL3Features = +{ + L3Features, + (CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_INIT_MID_END | CPU_FEAT_S3_LATE_RESTORE_END), + IsL3FeatureEnabled, + InitializeL3Feature +}; |