diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/Proc/CPU/cpuPowerMgmtSingleSocket.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/Proc/CPU/cpuPowerMgmtSingleSocket.c | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/Proc/CPU/cpuPowerMgmtSingleSocket.c b/src/vendorcode/amd/agesa/Proc/CPU/cpuPowerMgmtSingleSocket.c new file mode 100644 index 0000000000..4e9a47fde3 --- /dev/null +++ b/src/vendorcode/amd/agesa/Proc/CPU/cpuPowerMgmtSingleSocket.c @@ -0,0 +1,246 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD CPU Power Management Single Socket Functions. + * + * Contains code for doing power management for single socket CPU + * + * @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. + * + * *************************************************************************** + * + */ + +/*---------------------------------------------------------------------------------------- + * M O D U L E S U S E D + *---------------------------------------------------------------------------------------- + */ + +#include "AGESA.h" +#include "amdlib.h" +#include "GeneralServices.h" +#include "cpuRegisters.h" +#include "cpuApicUtilities.h" +#include "cpuFamilyTranslation.h" +#include "cpuPowerMgmtSystemTables.h" +#include "cpuPowerMgmtSingleSocket.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_CPU_CPUPOWERMGMTSINGLESOCKET_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 + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------*/ +/** + * Single socket BSC call to start all system core 0s to perform a standard AP_TASK. + * + * This function will simply invoke the task on the executing core. This must be + * run by the system BSC only. + * + * @param[in] TaskPtr Function descriptor + * @param[in] StdHeader Config handle for library and services + * @param[in] ConfigParams AMD entry point's CPU parameter structure + * + */ +VOID +RunCodeOnAllSystemCore0sSingle ( + IN AP_TASK *TaskPtr, + IN AMD_CONFIG_PARAMS *StdHeader, + IN VOID *ConfigParams + ) +{ + ApUtilTaskOnExecutingCore (TaskPtr, StdHeader, ConfigParams); +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Single socket BSC call to determine the maximum number of steps that any single + * processor needs to execute. + * + * This function simply returns the number of steps that the BSC needs. + * + * @param[out] NumSystemSteps Maximum number of system steps required + * @param[in] StdHeader Config handle for library and services + * + */ +VOID +GetNumberOfSystemPmStepsPtrSingle ( + OUT UINT8 *NumSystemSteps, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + SYS_PM_TBL_STEP *Ignored; + CPU_SPECIFIC_SERVICES *FamilySpecificServices; + + GetCpuServicesOfCurrentCore (&FamilySpecificServices, StdHeader); + FamilySpecificServices->GetSysPmTableStruct (FamilySpecificServices, &Ignored, NumSystemSteps, StdHeader); +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Single socket call to determine the frequency that the northbridges must run. + * + * This function simply returns the executing core's NB frequency, and that all + * NB frequencies are equivalent. + * + * @param[in] NbPstate NB P-state number to check (0 = fastest) + * @param[in] PlatformConfig Platform profile/build option config structure. + * @param[out] SystemNbCofNumerator NB frequency numerator for the system in MHz + * @param[out] SystemNbCofDenominator NB frequency denominator for the system + * @param[out] SystemNbCofsMatch Whether or not all NB frequencies are equivalent + * @param[out] NbPstateIsEnabledOnAllCPUs Whether or not NbPstate is valid on all CPUs + * @param[in] StdHeader Config handle for library and services + * + * @retval TRUE At least one processor has NbPstate enabled. + * @retval FALSE NbPstate is disabled on all CPUs + * + */ +BOOLEAN +GetSystemNbCofSingle ( + IN UINT32 NbPstate, + IN PLATFORM_CONFIGURATION *PlatformConfig, + OUT UINT32 *SystemNbCofNumerator, + OUT UINT32 *SystemNbCofDenominator, + OUT BOOLEAN *SystemNbCofsMatch, + OUT BOOLEAN *NbPstateIsEnabledOnAllCPUs, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 Ignored; + PCI_ADDR PciAddress; + CPU_SPECIFIC_SERVICES *FamilySpecificServices; + + PciAddress.AddressValue = MAKE_SBDFO (0, 0, 24, 0, 0); + *SystemNbCofsMatch = TRUE; + GetCpuServicesOfCurrentCore (&FamilySpecificServices, StdHeader); + *NbPstateIsEnabledOnAllCPUs = FamilySpecificServices->GetNbPstateInfo (FamilySpecificServices, + PlatformConfig, + &PciAddress, + NbPstate, + SystemNbCofNumerator, + SystemNbCofDenominator, + &Ignored, + StdHeader); + return *NbPstateIsEnabledOnAllCPUs; +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Single socket call to determine if the BIOS is responsible for updating the + * northbridge operating frequency and voltage. + * + * This function simply returns whether or not the executing core needs NB COF + * VID programming. + * + * @param[in] StdHeader Config handle for library and services + * + * @retval TRUE BIOS needs to set up NB frequency and voltage + * @retval FALSE BIOS does not need to set up NB frequency and voltage + * + */ +BOOLEAN +GetSystemNbCofVidUpdateSingle ( + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + BOOLEAN Ignored; + PCI_ADDR PciAddress; + CPU_SPECIFIC_SERVICES *FamilySpecificServices; + + PciAddress.AddressValue = MAKE_SBDFO (0, 0, 24, 0, 0); + GetCpuServicesOfCurrentCore (&FamilySpecificServices, StdHeader); + return (FamilySpecificServices->IsNbCofInitNeeded (FamilySpecificServices, &PciAddress, &Ignored, StdHeader)); +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Single socket call to determine the most severe AGESA_STATUS return value after + * processing the power management initialization tables. + * + * This function searches the event log for the most severe error and returns + * the status code. This function must be called by the BSC only. + * + * @param[in] StdHeader Config handle for library and services + * + * @return The most severe error code from power management init + * + */ +AGESA_STATUS +GetEarlyPmErrorsSingle ( + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT16 i; + AGESA_EVENT EventLogEntry; + AGESA_STATUS ReturnCode; + + ASSERT (IsBsp (StdHeader, &ReturnCode)); + + ReturnCode = AGESA_SUCCESS; + for (i = 0; PeekEventLog (&EventLogEntry, i, StdHeader); i++) { + if ((EventLogEntry.EventInfo & CPU_EVENT_PM_EVENT_MASK) == CPU_EVENT_PM_EVENT_CLASS) { + if (EventLogEntry.EventClass > ReturnCode) { + ReturnCode = EventLogEntry.EventClass; + } + } + } + + return (ReturnCode); +} + |