diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f16kb/Proc/CPU/Feature/cpuPsi.c')
-rw-r--r-- | src/vendorcode/amd/agesa/f16kb/Proc/CPU/Feature/cpuPsi.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Feature/cpuPsi.c b/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Feature/cpuPsi.c new file mode 100644 index 0000000000..897723624c --- /dev/null +++ b/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Feature/cpuPsi.c @@ -0,0 +1,213 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD AGESA CPU Power Status Indicator (PSI) feature support code. + * + * Contains code that declares the AGESA CPU PSI related APIs + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU/Feature + * @e \$Revision: 84150 $ @e \$Date: 2012-12-12 15:46:25 -0600 (Wed, 12 Dec 2012) $ + * + */ +/* + ****************************************************************************** + * + * Copyright (c) 2008 - 2013, 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 "GeneralServices.h" +#include "cpuFamilyTranslation.h" +#include "cpuApicUtilities.h" +#include "cpuFeatures.h" +#include "cpuPsi.h" +#include "OptionMultiSocket.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_CPU_FEATURE_CPUPSI_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 + *---------------------------------------------------------------------------------------- + */ +UINT32 +STATIC +EnablePsiOnSocket ( + 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 PsiFamilyServiceTable; +extern OPTION_MULTISOCKET_CONFIGURATION OptionMultiSocketConfiguration; + +/*---------------------------------------------------------------------------------------*/ +/** + * Should Power Status Indicator (PSI) be enabled + * + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] StdHeader Config Handle for library, services. + * + * @retval TRUE PSI is supported. + * @retval FALSE PSI cannot be enabled. + * + */ +BOOLEAN +STATIC +IsPsiFeatureEnabled ( + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 Socket; + BOOLEAN IsEnabled; + PSI_FAMILY_SERVICES *PsiFamilyServices; + UINT32 VrmType; + + IsEnabled = FALSE; + + for (VrmType = 0; VrmType < MaxVrmType; VrmType++) { + if (PlatformConfig->VrmProperties[VrmType].LowPowerThreshold != 0) { + IsEnabled = TRUE; + break; + } + } + + if (!IsEnabled) { + return FALSE; + } + + for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { + if (IsProcessorPresent (Socket, StdHeader)) { + GetFeatureServicesOfSocket (&PsiFamilyServiceTable, Socket, (CONST VOID **)&PsiFamilyServices, StdHeader); + if ((PsiFamilyServices == NULL) || (!PsiFamilyServices->IsPsiSupported (PsiFamilyServices, Socket, PlatformConfig, StdHeader))) { + IsEnabled = FALSE; + break; + } + } + } + return IsEnabled; +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Enable Power Status Indicator (PSI) + * + * @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 +InitializePsiFeature ( + IN UINT64 EntryPoint, + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + AP_TASK TaskPtr; + AGESA_STATUS AgesaStatus; + AMD_CPU_EARLY_PARAMS CpuEarlyParams; + + IDS_HDT_CONSOLE (CPU_TRACE, " PSI mode is being initialized\n"); + + CpuEarlyParams.PlatformConfig = *PlatformConfig; + + TaskPtr.FuncAddress.PfApTaskIOC = EnablePsiOnSocket; + TaskPtr.DataTransfer.DataSizeInDwords = 2; + TaskPtr.DataTransfer.DataPtr = &EntryPoint; + TaskPtr.DataTransfer.DataTransferFlags = 0; + TaskPtr.ExeFlags = PASS_EARLY_PARAMS | TASK_HAS_OUTPUT; + AgesaStatus = OptionMultiSocketConfiguration.BscRunCodeOnAllSystemCore0s (&TaskPtr, StdHeader, &CpuEarlyParams); + + IDS_HDT_CONSOLE (CPU_TRACE, " PSI mode is enabled\n"); + + return AgesaStatus; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * AP task to enable PSI + * + * @param[in] EntryPoint Timepoint designator. + * @param[in] StdHeader Config Handle for library, services. + * @param[in] CpuEarlyParams Service parameters. + * + */ +UINT32 +STATIC +EnablePsiOnSocket ( + IN VOID *EntryPoint, + IN AMD_CONFIG_PARAMS *StdHeader, + IN AMD_CPU_EARLY_PARAMS *CpuEarlyParams + ) +{ + AGESA_STATUS CalledStatus; + PSI_FAMILY_SERVICES *PsiFamilyServices; + + CalledStatus = AGESA_UNSUPPORTED; + GetFeatureServicesOfCurrentCore (&PsiFamilyServiceTable, (CONST VOID **)&PsiFamilyServices, StdHeader); + if (PsiFamilyServices != NULL) { + CalledStatus = PsiFamilyServices->EnablePsiOnSocket (PsiFamilyServices, *((UINT64 *) EntryPoint), &CpuEarlyParams->PlatformConfig, StdHeader); + } + return (UINT32) CalledStatus; +} + +CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeaturePsi = +{ + CpuPsi, + (CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_AFTER_RESUME_MTRR_SYNC), + IsPsiFeatureEnabled, + InitializePsiFeature +}; |