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Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/CPU/cpuPowerMgmt.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/CPU/cpuPowerMgmt.c | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/CPU/cpuPowerMgmt.c b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/cpuPowerMgmt.c new file mode 100644 index 0000000000..52e8e1e363 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/cpuPowerMgmt.c @@ -0,0 +1,302 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD CPU Power Management functions. + * + * Contains code for doing early power management + * + * @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. + ****************************************************************************** + */ + +/*---------------------------------------------------------------------------------------- + * M O D U L E S U S E D + *---------------------------------------------------------------------------------------- + */ + +#include "AGESA.h" +#include "amdlib.h" +#include "cpuRegisters.h" +#include "cpuFamilyTranslation.h" +#include "OptionMultiSocket.h" +#include "cpuApicUtilities.h" +#include "cpuEarlyInit.h" +#include "cpuPowerMgmtSystemTables.h" +#include "cpuServices.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_CPU_CPUPOWERMGMT_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 +PerformThisPmStep ( + IN VOID *Step, + IN AMD_CONFIG_PARAMS *StdHeader, + IN AMD_CPU_EARLY_PARAMS *CpuEarlyParamsPtr + ); + +VOID +STATIC +GoToMemInitPstateCore0 ( + IN AMD_CONFIG_PARAMS *StdHeader, + IN AMD_CPU_EARLY_PARAMS *CpuEarlyParamsPtr + ); + +VOID +STATIC +GoToMemInitPstateCore ( + IN AMD_CONFIG_PARAMS *StdHeader, + IN AMD_CPU_EARLY_PARAMS *CpuEarlyParamsPtr + ); + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ +extern OPTION_MULTISOCKET_CONFIGURATION OptionMultiSocketConfiguration; + +/*---------------------------------------------------------------------------------------*/ +/** + * Perform the "BIOS Requirements for P-State Initialization and Transitions." + * + * This is the generic arbiter code to be executed by the BSC. The system power + * management init tables will be traversed. This must be run by the system BSC + * only. + * + * @param[in] CpuEarlyParams Required input parameters for early CPU initialization + * @param[in] StdHeader Config handle for library and services + * + * @return Most severe AGESA_STATUS level that any system processor encountered + * + */ +AGESA_STATUS +PmInitializationAtEarly ( + IN AMD_CPU_EARLY_PARAMS *CpuEarlyParams, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT8 i; + UINT8 NumberOfSystemWideSteps; + AP_TASK TaskPtr; + AGESA_STATUS ReturnCode; + WARM_RESET_REQUEST Request; + + // Determine the number of steps to perform + OptionMultiSocketConfiguration.GetNumberOfSystemPmSteps (&NumberOfSystemWideSteps, StdHeader); + + // Traverse the PM init table + TaskPtr.FuncAddress.PfApTaskIC = PerformThisPmStep; + TaskPtr.DataTransfer.DataSizeInDwords = 1; + TaskPtr.DataTransfer.DataPtr = &i; + TaskPtr.DataTransfer.DataTransferFlags = 0; + TaskPtr.ExeFlags = PASS_EARLY_PARAMS; + for (i = 0; i < NumberOfSystemWideSteps; ++i) { + IDS_HDT_CONSOLE (CPU_TRACE, " Perform PM init step %d\n", i); + OptionMultiSocketConfiguration.BscRunCodeOnAllSystemCore0s (&TaskPtr, StdHeader, CpuEarlyParams); + } + + // GoToMemInitPstateCore0 only if there is no pending warm reset. + GetWarmResetFlag (StdHeader, &Request); + if (Request.RequestBit == FALSE) { + TaskPtr.FuncAddress.PfApTaskC = GoToMemInitPstateCore0; + TaskPtr.DataTransfer.DataSizeInDwords = 0; + TaskPtr.ExeFlags = PASS_EARLY_PARAMS; + IDS_HDT_CONSOLE (CPU_TRACE, " Transition all cores to POST P-state\n"); + OptionMultiSocketConfiguration.BscRunCodeOnAllSystemCore0s (&TaskPtr, StdHeader, CpuEarlyParams); + } + + // Retrieve/Process any errors + ReturnCode = OptionMultiSocketConfiguration.BscRetrievePmEarlyInitErrors (StdHeader); + + return (ReturnCode); +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Performs the next step in the executing core 0's family specific power + * management table. + * + * This function determines if the input step is valid, and invokes the power + * management step if appropriate. This must be run by processor core 0s only. + * + * @param[in] Step Zero based step number + * @param[in] StdHeader Config handle for library and services + * @param[in] CpuEarlyParamsPtr Required input parameters for early CPU initialization + * + */ +VOID +STATIC +PerformThisPmStep ( + IN VOID *Step, + IN AMD_CONFIG_PARAMS *StdHeader, + IN AMD_CPU_EARLY_PARAMS *CpuEarlyParamsPtr + ) +{ + UINT8 MyNumberOfSteps; + UINT32 ExeResetFlags; + SYS_PM_TBL_STEP *FamilyTablePtr; + CPU_SPECIFIC_SERVICES *FamilySpecificServices; + BOOLEAN ThisIsWarmReset; + BOOLEAN NoResetLimit; + BOOLEAN NotConflictResetLimit; + BOOLEAN WarmResetOnly; + BOOLEAN ColdResetOnly; + + GetCpuServicesOfCurrentCore ((CONST CPU_SPECIFIC_SERVICES **)&FamilySpecificServices, StdHeader); + FamilySpecificServices->GetSysPmTableStruct (FamilySpecificServices, (CONST VOID **) &FamilyTablePtr, &MyNumberOfSteps, StdHeader); + + if (*(UINT8 *)Step < MyNumberOfSteps) { + if (FamilyTablePtr[*(UINT8 *)Step].FuncPtr != NULL) { + ExeResetFlags = FamilyTablePtr[*(UINT8 *)Step].ExeFlags & (PM_EXEFLAGS_COLD_ONLY | PM_EXEFLAGS_WARM_ONLY); + ThisIsWarmReset = IsWarmReset (StdHeader); + NoResetLimit = (ExeResetFlags == 0) ? TRUE : FALSE; + NotConflictResetLimit = (BOOLEAN) (ExeResetFlags != (PM_EXEFLAGS_COLD_ONLY | PM_EXEFLAGS_WARM_ONLY)); + WarmResetOnly = (BOOLEAN) ((ExeResetFlags & PM_EXEFLAGS_WARM_ONLY) == PM_EXEFLAGS_WARM_ONLY); + ColdResetOnly = (BOOLEAN) ((ExeResetFlags & PM_EXEFLAGS_COLD_ONLY) == PM_EXEFLAGS_COLD_ONLY); + + IDS_HDT_CONSOLE (CPU_TRACE, " \tIsWarmReset = %d.\n", ThisIsWarmReset); + IDS_HDT_CONSOLE (CPU_TRACE, " \tNoResetLimit = %d\n", NoResetLimit); + IDS_HDT_CONSOLE (CPU_TRACE, " \tNotConflictResetLimit = %d\n", NotConflictResetLimit); + IDS_HDT_CONSOLE (CPU_TRACE, " \tWarmResetOnly = %d\n", WarmResetOnly); + IDS_HDT_CONSOLE (CPU_TRACE, " \tColdResetOnly = %d\n", ColdResetOnly); + + ASSERT (NotConflictResetLimit); + + if (NoResetLimit || + (NotConflictResetLimit && + ((WarmResetOnly && ThisIsWarmReset) || (ColdResetOnly && !ThisIsWarmReset)))) { + FamilyTablePtr[*(UINT8 *)Step].FuncPtr (FamilySpecificServices, CpuEarlyParamsPtr, StdHeader); + } else { + IDS_HDT_CONSOLE (CPU_TRACE, " \t\tThis PM init step was skipped!\n"); + } + } + } +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Transitions the executing processor to the desired P-state. + * + * This function implements the AMD_CPU_EARLY_PARAMS.MemInitPState parameter, and is + * run by all processor core 0s. + * + * @param[in] StdHeader Config handle for library and services + * @param[in] CpuEarlyParamsPtr Required input parameters for early CPU initialization + * + */ +VOID +STATIC +GoToMemInitPstateCore0 ( + IN AMD_CONFIG_PARAMS *StdHeader, + IN AMD_CPU_EARLY_PARAMS *CpuEarlyParamsPtr + ) +{ + AP_TASK TaskPtr; + + TaskPtr.FuncAddress.PfApTaskC = GoToMemInitPstateCore; + TaskPtr.DataTransfer.DataSizeInDwords = 0; + TaskPtr.ExeFlags = WAIT_FOR_CORE | PASS_EARLY_PARAMS; + ApUtilRunCodeOnAllLocalCoresAtEarly (&TaskPtr, StdHeader, CpuEarlyParamsPtr); +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Transitions the executing core to the desired P-state. + * + * This function implements the AMD_CPU_EARLY_PARAMS.MemInitPState parameter, and is + * run by all system cores. + * + * @param[in] StdHeader Config handle for library and services + * @param[in] CpuEarlyParamsPtr Required input parameters for early CPU initialization + * + */ +VOID +STATIC +GoToMemInitPstateCore ( + IN AMD_CONFIG_PARAMS *StdHeader, + IN AMD_CPU_EARLY_PARAMS *CpuEarlyParamsPtr + ) +{ + CPU_SPECIFIC_SERVICES *FamilySpecificServices; + + GetCpuServicesOfCurrentCore ((CONST CPU_SPECIFIC_SERVICES **)&FamilySpecificServices, StdHeader); + FamilySpecificServices->TransitionPstate (FamilySpecificServices, CpuEarlyParamsPtr->MemInitPState, (BOOLEAN) FALSE, StdHeader); +} |