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Diffstat (limited to 'src/vendorcode/amd/agesa/f10/Proc/CPU/cpuPowerMgmtMultiSocket.c')
| -rwxr-xr-x | src/vendorcode/amd/agesa/f10/Proc/CPU/cpuPowerMgmtMultiSocket.c | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f10/Proc/CPU/cpuPowerMgmtMultiSocket.c b/src/vendorcode/amd/agesa/f10/Proc/CPU/cpuPowerMgmtMultiSocket.c new file mode 100755 index 0000000000..795d148dd7 --- /dev/null +++ b/src/vendorcode/amd/agesa/f10/Proc/CPU/cpuPowerMgmtMultiSocket.c @@ -0,0 +1,394 @@ +/** + * @file + * + * AMD CPU Power Management Multisocket Functions. + * + * Contains code for doing power management for multisocket CPUs + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU + * @e \$Revision: 44323 $ @e \$Date: 2010-12-22 01:24:58 -0700 (Wed, 22 Dec 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 "cpuRegisters.h" +#include "GeneralServices.h" +#include "cpuServices.h" +#include "cpuApicUtilities.h" +#include "cpuFamilyTranslation.h" +#include "cpuPowerMgmtSystemTables.h" +#include "cpuPowerMgmtMultiSocket.h" +#include "GeneralServices.h" +#include "Filecode.h" +#define FILECODE PROC_CPU_CPUPOWERMGMTMULTISOCKET_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 +GetNextEvent ( + IN OUT VOID *EventLogEntryPtr, + IN AMD_CONFIG_PARAMS *StdHeader + ); + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------*/ +/** + * Multisocket BSC call to start all system core 0s to perform a standard AP_TASK. + * + * This function loops through all possible socket locations, starting core 0 of + * each populated socket to perform the passed in AP_TASK. After starting all + * other core 0s, the BSC will perform the AP_TASK as well. 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 +RunCodeOnAllSystemCore0sMulti ( + IN AP_TASK *TaskPtr, + IN AMD_CONFIG_PARAMS *StdHeader, + IN VOID *ConfigParams + ) +{ + UINT32 BscSocket; + UINT32 BscModule; + UINT32 BscCore; + UINT8 Socket; + UINT32 NumberOfSockets; + AGESA_STATUS DummyStatus; + + ASSERT (IsBsp (StdHeader, &DummyStatus)); + + NumberOfSockets = GetPlatformNumberOfSockets (); + + IdentifyCore (StdHeader, &BscSocket, &BscModule, &BscCore, &DummyStatus); + + for (Socket = 0; Socket < NumberOfSockets; Socket++) { + if (Socket != BscSocket) { + if (IsProcessorPresent (Socket, StdHeader)) { + ApUtilRunCodeOnSocketCore (Socket, 0, TaskPtr, StdHeader); + } + } + } + ApUtilTaskOnExecutingCore (TaskPtr, StdHeader, ConfigParams); +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Multisocket BSC call to determine the maximum number of steps that any single + * processor needs to execute. + * + * This function loops through all possible socket locations, gathering the number + * of power management steps each populated socket requires, and returns the + * highest number. + * + * @param[out] NumSystemSteps Maximum number of system steps required + * @param[in] StdHeader Config handle for library and services + * + */ +VOID +GetNumberOfSystemPmStepsPtrMulti ( + OUT UINT8 *NumSystemSteps, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT8 NumberOfSteps; + UINT32 NumberOfSockets; + UINT32 Socket; + SYS_PM_TBL_STEP *Ignored; + CPU_SPECIFIC_SERVICES *FamilySpecificServices; + + NumberOfSockets = GetPlatformNumberOfSockets (); + *NumSystemSteps = 0; + + for (Socket = 0; Socket < NumberOfSockets; Socket++) { + if (IsProcessorPresent (Socket, StdHeader)) { + GetCpuServicesOfSocket (Socket, &FamilySpecificServices, StdHeader); + FamilySpecificServices->GetSysPmTableStruct (FamilySpecificServices, (CONST VOID **)&Ignored, &NumberOfSteps, StdHeader); + if (NumberOfSteps > *NumSystemSteps) { + *NumSystemSteps = NumberOfSteps; + } + } + } +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Multisocket call to determine the frequency that the northbridges must run. + * + * This function loops through all possible socket locations, comparing the + * maximum NB frequencies to determine the slowest. This function also + * determines if all coherent NB frequencies are equivalent. + * + * @param[out] SystemNbCof NB frequency for the system in MHz + * @param[out] SystemNbCofsMatch Whether or not all NB frequencies are equivalent + * @param[in] StdHeader Config handle for library and services + * + * @retval AGESA_SUCCESS Always succeeds. + * + */ +AGESA_STATUS +GetSystemNbCofMulti ( + OUT UINT32 *SystemNbCof, + OUT BOOLEAN *SystemNbCofsMatch, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 Socket; + UINT8 Module; + UINT32 NumberOfSockets; + UINT32 CurrentNbCof; + UINT32 Ignored32; + BOOLEAN FirstCofNotFound; + PCI_ADDR PciAddress; + AGESA_STATUS ReturnCode; + AGESA_STATUS Ignored; + CPU_SPECIFIC_SERVICES *FamilySpecificServices; + + ReturnCode = AGESA_SUCCESS; + + NumberOfSockets = GetPlatformNumberOfSockets (); + + // Find the slowest NB COF in the system & whether or not all are equivalent + *SystemNbCofsMatch = TRUE; + FirstCofNotFound = TRUE; + for (Socket = 0; Socket < NumberOfSockets; Socket++) { + if (IsProcessorPresent (Socket, StdHeader)) { + GetCpuServicesOfSocket (Socket, &FamilySpecificServices, StdHeader); + for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) { + if (GetPciAddress (StdHeader, Socket, Module, &PciAddress, &Ignored)) { + break; + } + } + if ((FamilySpecificServices->GetNbFrequency (FamilySpecificServices, &PciAddress, &CurrentNbCof, &Ignored32, StdHeader)) == AGESA_SUCCESS) { + if (FirstCofNotFound) { + *SystemNbCof = CurrentNbCof; + FirstCofNotFound = FALSE; + } else { + if (CurrentNbCof != *SystemNbCof) { + *SystemNbCofsMatch = FALSE; + if (CurrentNbCof < *SystemNbCof) { + *SystemNbCof = CurrentNbCof; + } + } + } + } + } + } + return (ReturnCode); +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Multisocket call to determine if the BIOS is responsible for updating the + * northbridge operating frequency and voltage. + * + * This function loops through all possible socket locations, checking whether + * any populated sockets require 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 +GetSystemNbCofVidUpdateMulti ( + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT8 Module; + UINT32 Socket; + UINT32 NumberOfSockets; + BOOLEAN IgnoredBool; + BOOLEAN AtLeast1RequiresUpdate; + PCI_ADDR PciAddress; + AGESA_STATUS Ignored; + CPU_SPECIFIC_SERVICES *FamilySpecificServices; + + NumberOfSockets = GetPlatformNumberOfSockets (); + + AtLeast1RequiresUpdate = FALSE; + for (Socket = 0; Socket < NumberOfSockets; Socket++) { + if (IsProcessorPresent (Socket, StdHeader)) { + GetCpuServicesOfSocket (Socket, &FamilySpecificServices, StdHeader); + for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) { + if (GetPciAddress (StdHeader, (UINT8) Socket, Module, &PciAddress, &Ignored)) { + break; + } + } + if (FamilySpecificServices->IsNbCofInitNeeded (FamilySpecificServices, &PciAddress, &IgnoredBool, StdHeader)) { + AtLeast1RequiresUpdate = TRUE; + break; + } + } + } + return AtLeast1RequiresUpdate; +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Multisocket call to determine the most severe AGESA_STATUS return value after + * processing the power management initialization tables. + * + * This function loops through all possible socket locations, collecting any + * power management initialization errors that may have occurred. These errors + * are transferred from the core 0s of the socket in which the errors occurred + * to the BSC's heap. The BSC's heap is then searched for the most severe error + * that occurred, and returns it. 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 +GetEarlyPmErrorsMulti ( + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT16 i; + UINT32 BscSocket; + UINT32 BscModule; + UINT32 BscCore; + UINT32 Socket; + UINT32 NumberOfSockets; + AP_TASK TaskPtr; + AGESA_EVENT EventLogEntry; + AGESA_STATUS ReturnCode; + AGESA_STATUS DummyStatus; + + ASSERT (IsBsp (StdHeader, &ReturnCode)); + + ReturnCode = AGESA_SUCCESS; + EventLogEntry.EventClass = AGESA_SUCCESS; + EventLogEntry.EventInfo = 0; + EventLogEntry.DataParam1 = 0; + EventLogEntry.DataParam2 = 0; + EventLogEntry.DataParam3 = 0; + EventLogEntry.DataParam4 = 0; + + NumberOfSockets = GetPlatformNumberOfSockets (); + IdentifyCore (StdHeader, &BscSocket, &BscModule, &BscCore, &DummyStatus); + + TaskPtr.FuncAddress.PfApTaskI = GetNextEvent; + TaskPtr.DataTransfer.DataSizeInDwords = SIZE_IN_DWORDS (AGESA_EVENT); + TaskPtr.DataTransfer.DataPtr = &EventLogEntry; + TaskPtr.DataTransfer.DataTransferFlags = 0; + TaskPtr.ExeFlags = WAIT_FOR_CORE | RETURN_PARAMS; + for (Socket = 0; Socket < NumberOfSockets; Socket++) { + if (Socket != BscSocket) { + if (IsProcessorPresent (Socket, StdHeader)) { + do { + ApUtilRunCodeOnSocketCore ((UINT8)Socket, (UINT8) 0, &TaskPtr, StdHeader); + if ((EventLogEntry.EventInfo & CPU_EVENT_PM_EVENT_MASK) == CPU_EVENT_PM_EVENT_CLASS) { + PutEventLog ( + EventLogEntry.EventClass, + EventLogEntry.EventInfo, + EventLogEntry.DataParam1, + EventLogEntry.DataParam2, + EventLogEntry.DataParam3, + EventLogEntry.DataParam4, + StdHeader + ); + } + } while (EventLogEntry.EventInfo != 0); + } + } + } + + 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); +} + +/*--------------------------------------------------------------------------------------- + * L O C A L F U N C T I O N S + *--------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------*/ +/** + * AP task to return the next event log entry to the BSC. + * + * This function calls to the event log manager to retrieve the next error out + * of the heap. + * + * @param[out] EventLogEntryPtr The AP's next event log entry + * @param[in] StdHeader Config handle for library and services + * + */ +VOID +STATIC +GetNextEvent ( + IN OUT VOID *EventLogEntryPtr, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + GetEventLog ((AGESA_EVENT *) EventLogEntryPtr, StdHeader); +} |