diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/cpuCacheFlushOnHalt.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/cpuCacheFlushOnHalt.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/cpuCacheFlushOnHalt.c b/src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/cpuCacheFlushOnHalt.c new file mode 100644 index 0000000000..3187212fdd --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/cpuCacheFlushOnHalt.c @@ -0,0 +1,193 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD CPU Cache Flush On Halt Function. + * + * Contains code to Level the Feature in a multi-socket system + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU + * @e \$Revision: 35136 $ @e \$Date: 2010-07-16 11:29:48 +0800 (Fri, 16 Jul 2010) $ + * + */ +/* + ***************************************************************************** + * + * Copyright (c) 2011, 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. + * + * *************************************************************************** + * + */ + + +/* + *---------------------------------------------------------------------------- + * MODULES USED + * + *---------------------------------------------------------------------------- + */ +#include "AGESA.h" +#include "Ids.h" +#include "amdlib.h" +#include "cpuRegisters.h" +#include "GeneralServices.h" +#include "cpuServices.h" +#include "cpuFamilyTranslation.h" +#include "cpuFeatures.h" +#include "cpuApicUtilities.h" +#include "OptionMultiSocket.h" +#include "Filecode.h" +CODE_GROUP (G2_PEI) +RDATA_GROUP (G2_PEI) +#define FILECODE PROC_CPU_FEATURE_CPUCACHEFLUSHONHALT_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ +extern CPU_FAMILY_SUPPORT_TABLE CacheFlushOnHaltFamilyServiceTable; +extern OPTION_MULTISOCKET_CONFIGURATION OptionMultiSocketConfiguration; + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ +VOID +STATIC +EnableCacheFlushOnHaltOnSocket ( + IN VOID *EntryPoint, + IN AMD_CONFIG_PARAMS *StdHeader, + IN AMD_CPU_EARLY_PARAMS *CpuEarlyParams + ); +/*---------------------------------------------------------------------------------------- + * P U B L I C F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------*/ +/** + * Should cache flush on halt be enabled + * + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] StdHeader Config Handle for library, services. + * + * @retval TRUE core leveling is supported. + * @retval FALSE core leveling cannot be enabled. + * + */ +BOOLEAN +STATIC +IsCFOHEnabled ( + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + return (TRUE); +} +/* -----------------------------------------------------------------------------*/ +/** + * + * InitializeCacheFlushOnHaltFeature + * + * CPU feature leveling. Enable Cpu Cache Flush On Halt Function + * + * @param[in] EntryPoint Timepoint designator. + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in,out] StdHeader Pointer to AMD_CONFIG_PARAMS struct. + * + * @return The most severe status of any family specific service. + */ +AGESA_STATUS +InitializeCacheFlushOnHaltFeature ( + IN UINT64 EntryPoint, + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN OUT AMD_CONFIG_PARAMS *StdHeader + ) +{ + + AP_TASK TaskPtr; + AMD_CPU_EARLY_PARAMS CpuEarlyParams; + + CpuEarlyParams.PlatformConfig = *PlatformConfig; + + IDS_HDT_CONSOLE (CPU_TRACE, " Cache flush on hlt feature is enabled\n"); + TaskPtr.FuncAddress.PfApTaskIC = EnableCacheFlushOnHaltOnSocket; + TaskPtr.DataTransfer.DataSizeInDwords = 2; + TaskPtr.DataTransfer.DataPtr = &EntryPoint; + TaskPtr.DataTransfer.DataTransferFlags = 0; + TaskPtr.ExeFlags = PASS_EARLY_PARAMS; + OptionMultiSocketConfiguration.BscRunCodeOnAllSystemCore0s (&TaskPtr, StdHeader, &CpuEarlyParams); + + return AGESA_SUCCESS; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * 'Local' core 0 task to enable Cache Flush On Halt on it's socket. + * + * @param[in] EntryPoint Timepoint designator. + * @param[in] StdHeader Config Handle for library, services. + * @param[in] CpuEarlyParams Service parameters. + * + */ +VOID +STATIC +EnableCacheFlushOnHaltOnSocket ( + IN VOID *EntryPoint, + IN AMD_CONFIG_PARAMS *StdHeader, + IN AMD_CPU_EARLY_PARAMS *CpuEarlyParams + ) +{ + CPU_CFOH_FAMILY_SERVICES *FamilyServices; + + GetFeatureServicesOfCurrentCore (&CacheFlushOnHaltFamilyServiceTable, &FamilyServices, StdHeader); + if (FamilyServices != NULL) { + FamilyServices->SetCacheFlushOnHaltRegister (FamilyServices, *((UINT64 *) EntryPoint), &CpuEarlyParams->PlatformConfig, StdHeader); + } +} + +CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeatureCacheFlushOnHalt = +{ + CacheFlushOnHalt, + (CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_AFTER_RESUME_MTRR_SYNC), + IsCFOHEnabled, + InitializeCacheFlushOnHaltFeature +}; |