| /** |
| * @file |
| * |
| * AMD CPU Reset API, and related functions. |
| * |
| * Contains code that initialized the CPU after early reset. |
| * |
| * @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 "Ids.h" |
| #include "cpuRegisters.h" |
| #include "cpuServices.h" |
| #include "GeneralServices.h" |
| #include "Table.h" |
| #include "cpuApicUtilities.h" |
| #include "cpuEarlyInit.h" |
| #include "Topology.h" |
| #include "cpuFamilyTranslation.h" |
| #include "cpuFeatures.h" |
| #include "Filecode.h" |
| #define FILECODE PROC_CPU_CPUEARLYINIT_FILECODE |
| |
| |
| /*---------------------------------------------------------------------------------------- |
| * D E F I N I T I O N S A N D M A C R O S |
| *---------------------------------------------------------------------------------------- |
| */ |
| extern BUILD_OPT_CFG UserOptions; |
| /*---------------------------------------------------------------------------------------- |
| * 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 |
| *---------------------------------------------------------------------------------------- |
| */ |
| VOID |
| McaInitializationAtEarly ( |
| IN CPU_SPECIFIC_SERVICES *FamilyServices, |
| IN AMD_CPU_EARLY_PARAMS *EarlyParams, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ); |
| |
| /*------------------------------------------------------------------------------------*/ |
| /** |
| * Initializer routine that will be invoked by AmdCpuEarly to initialize the input |
| * structure for the Cpu Init @ Early routine. |
| * |
| * @param[in] StdHeader Opaque handle to standard config header |
| * @param[in] PlatformConfig Config handle for platform specific information |
| * @param[in,out] CpuEarlyParamsPtr Service Interface structure to initialize. |
| * |
| * @retval AGESA_SUCCESS Always Succeeds |
| */ |
| STATIC VOID |
| AmdCpuEarlyInitializer ( |
| IN AMD_CONFIG_PARAMS *StdHeader, |
| IN PLATFORM_CONFIGURATION *PlatformConfig, |
| IN OUT AMD_CPU_EARLY_PARAMS *CpuEarlyParamsPtr |
| ) |
| { |
| ASSERT (CpuEarlyParamsPtr != NULL); |
| |
| CpuEarlyParamsPtr->MemInitPState = (UINT8) UserOptions.CfgMemInitPstate; |
| CpuEarlyParamsPtr->PlatformConfig = *PlatformConfig; |
| } |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Performs CPU related initialization at the early entry point |
| * |
| * This function performs a large list of initialization items. These items |
| * include: |
| * |
| * -1 local APIC initialization |
| * -2 MSR table initialization |
| * -3 PCI table initialization |
| * -4 HT Phy PCI table initialization |
| * -5 microcode patch loading |
| * -6 namestring determination/programming |
| * -7 AP initialization |
| * -8 power management initialization |
| * -9 core leveling |
| * |
| * This routine must be run by all cores in the system. Please note that |
| * all APs that enter will never exit. |
| * |
| * @param[in] StdHeader Config handle for library and services |
| * @param[in] PlatformConfig Config handle for platform specific information |
| * |
| * @retval AGESA_SUCCESS |
| * |
| */ |
| AGESA_STATUS |
| AmdCpuEarly ( |
| IN AMD_CONFIG_PARAMS *StdHeader, |
| IN PLATFORM_CONFIGURATION *PlatformConfig |
| ) |
| { |
| UINT8 WaitStatus; |
| UINT8 i; |
| UINT8 j; |
| UINT8 StartCore; |
| UINT8 EndCore; |
| UINT32 NodeNum; |
| UINT32 PrimaryCore; |
| UINT32 SocketNum; |
| UINT32 ModuleNum; |
| UINT32 HighCore; |
| UINT32 ApHeapIndex; |
| AP_WAIT_FOR_STATUS WaitForStatus; |
| AGESA_STATUS Status; |
| AGESA_STATUS CalledStatus; |
| CPU_SPECIFIC_SERVICES *FamilySpecificServices; |
| AMD_CPU_EARLY_PARAMS CpuEarlyParams; |
| PF_PERFORM_EARLY_INIT_ON_CORE *EarlyTableOnCore; |
| |
| Status = AGESA_SUCCESS; |
| CalledStatus = AGESA_SUCCESS; |
| |
| AmdCpuEarlyInitializer (StdHeader, PlatformConfig, &CpuEarlyParams); |
| ASSERT (CpuEarlyParams.PlatformConfig.VrmProperties.CurrentLimit >= CpuEarlyParams.PlatformConfig.VrmProperties.LowPowerThreshold); |
| |
| IDS_OPTION_HOOK (IDS_CPU_Early_Override, &CpuEarlyParams, StdHeader); |
| |
| GetCpuServicesOfCurrentCore (&FamilySpecificServices, StdHeader); |
| EarlyTableOnCore = NULL; |
| FamilySpecificServices->GetEarlyInitOnCoreTable (FamilySpecificServices, (CONST PF_PERFORM_EARLY_INIT_ON_CORE **)&EarlyTableOnCore, &CpuEarlyParams, StdHeader); |
| if (EarlyTableOnCore != NULL) { |
| for (i = 0; EarlyTableOnCore[i] != NULL; i++) { |
| EarlyTableOnCore[i] (FamilySpecificServices, &CpuEarlyParams, StdHeader); |
| } |
| } |
| |
| // B S P C O D E T O I N I T I A L I Z E A Ps |
| // ------------------------------------------------------- |
| // ------------------------------------------------------- |
| // IMPORTANT: Here we determine if we are BSP or AP |
| if (IsBsp (StdHeader, &CalledStatus)) { |
| |
| // Even though the bsc does not need to send itself a heap index, this sequence performs other important initialization. |
| // Use '0' as a dummy heap index value. |
| GetSocketModuleOfNode (0, &SocketNum, &ModuleNum, StdHeader); |
| GetCpuServicesOfSocket (SocketNum, &FamilySpecificServices, StdHeader); |
| FamilySpecificServices->SetApCoreNumber (FamilySpecificServices, SocketNum, ModuleNum, 0, StdHeader); |
| FamilySpecificServices->TransferApCoreNumber (FamilySpecificServices, StdHeader); |
| |
| // Clear BSP's Status Byte |
| ApUtilWriteControlByte (CORE_ACTIVE, StdHeader); |
| |
| NodeNum = 1; |
| ApHeapIndex = 1; |
| for (i = 0; i < 2; i++) { |
| while (NodeNum < MAX_NODES && |
| GetSocketModuleOfNode (NodeNum, &SocketNum, &ModuleNum, StdHeader)) { |
| GetCpuServicesOfSocket (SocketNum, &FamilySpecificServices, StdHeader); |
| GetGivenModuleCoreRange (SocketNum, ModuleNum, &PrimaryCore, &HighCore, StdHeader); |
| if (i == 0) { |
| StartCore = (UINT8) PrimaryCore; |
| EndCore = (UINT8) PrimaryCore; |
| } else { |
| StartCore = (UINT8) PrimaryCore + 1; |
| EndCore = (UINT8) HighCore; |
| } |
| for (j = StartCore; j <= EndCore; j++) { |
| FamilySpecificServices->SetApCoreNumber (FamilySpecificServices, SocketNum, ModuleNum, ApHeapIndex, StdHeader); |
| if (FamilySpecificServices->LaunchApCore (FamilySpecificServices, SocketNum, ModuleNum, j, PrimaryCore, StdHeader)) { |
| WaitStatus = CORE_IDLE; |
| WaitForStatus.Status = &WaitStatus; |
| WaitForStatus.NumberOfElements = 1; |
| WaitForStatus.RetryCount = WAIT_INFINITELY; |
| WaitForStatus.WaitForStatusFlags = WAIT_STATUS_EQUALITY; |
| ApUtilWaitForCoreStatus ( |
| (UINT8) SocketNum, |
| j, |
| &WaitForStatus, |
| StdHeader |
| ); |
| ApHeapIndex++; |
| } |
| } |
| NodeNum++; |
| } |
| NodeNum = 0; |
| } |
| |
| // B S P P h a s e - 1 E N D |
| AGESA_TESTPOINT (TpProcCpuPowerMgmtInit, StdHeader); |
| CalledStatus = PmInitializationAtEarly (&CpuEarlyParams, StdHeader); |
| if (CalledStatus > Status) { |
| Status = CalledStatus; |
| } |
| |
| AGESA_TESTPOINT (TpProcCpuEarlyFeatureInit, StdHeader); |
| CalledStatus = DispatchCpuFeatures (CPU_FEAT_AFTER_PM_INIT, PlatformConfig, StdHeader); |
| |
| // Sleep all APs |
| ApUtilWriteControlByte (CORE_IDLE_HLT, StdHeader); |
| } // if (amdIsBsp()) - END |
| else { |
| ApEntry (StdHeader, &CpuEarlyParams); |
| } |
| |
| if (CalledStatus > Status) { |
| Status = CalledStatus; |
| } |
| |
| return (Status); |
| } |
| |
| /*--------------------------------------------------------------------------------------- |
| * L O C A L F U N C T I O N S |
| *--------------------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Initialize Machine Check Architecture registers |
| * |
| * This function initializes the MCA MSRs. On cold reset, these registers |
| * have an invalid data that must be cleared on all cores. |
| * |
| * @param[in] StdHeader Config handle for library and services |
| * |
| *--------------------------------------------------------------------------------------- |
| */ |
| STATIC VOID |
| McaInitialization ( |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| UINT16 TempVar16_a; |
| UINT32 MsrAddress; |
| UINT64 MsrData; |
| CPUID_DATA CpuIdDataStruct; |
| |
| if (!(IsWarmReset (StdHeader))) { |
| // Run CPUID to verify that the processor supports MCE and MCA |
| // i.e. edx[7], and edx[14] |
| // CPUID_MODEL = 1 |
| LibAmdCpuidRead (1, &CpuIdDataStruct, StdHeader); |
| if ((CpuIdDataStruct.EDX_Reg & 0x4080) != 0) { |
| // Check to see if the MCG_CTL_P bit is set |
| // MCG = Global Machine Check Exception Reporting Control Register |
| LibAmdMsrRead (MSR_MCG_CAP, &MsrData, StdHeader); |
| if ((MsrData & MCG_CTL_P) != 0) { |
| TempVar16_a = (UINT16) ((MsrData & 0x000000FF) << 2); |
| TempVar16_a += MSR_MC0_CTL; |
| |
| // Initialize the data |
| MsrData = 0; |
| for (MsrAddress = MSR_MC0_CTL; MsrAddress < TempVar16_a; MsrAddress++) { |
| LibAmdMsrWrite (MsrAddress, &MsrData, StdHeader); |
| } |
| } |
| } |
| } |
| } |
| |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Initialize Machine Check Architecture registers |
| * |
| * This function acts as a wrapper for calling the McaInitialization |
| * routine at AmdInitEarly. |
| * |
| * @param[in] FamilyServices The current Family Specific Services. |
| * @param[in] EarlyParams Service parameters. |
| * @param[in] StdHeader Config handle for library and services. |
| * |
| */ |
| VOID |
| McaInitializationAtEarly ( |
| IN CPU_SPECIFIC_SERVICES *FamilyServices, |
| IN AMD_CPU_EARLY_PARAMS *EarlyParams, |
| IN AMD_CONFIG_PARAMS *StdHeader |
| ) |
| { |
| McaInitialization (StdHeader); |
| } |
| |
| /*---------------------------------------------------------------------------------------*/ |
| /** |
| * Runs the given task on all cores (including self) on the socket of the executing |
| * core 0. |
| * |
| * This function is used to invoke all APs on the socket of the executing core 0 to |
| * run a specified AGESA procedure. |
| * |
| * @param[in] TaskPtr Function descriptor |
| * @param[in] StdHeader Config handle for library and services |
| * @param[in] CpuEarlyParamsPtr Required input parameters for early CPU initialization |
| * |
| */ |
| VOID |
| ApUtilRunCodeOnAllLocalCoresAtEarly ( |
| IN AP_TASK *TaskPtr, |
| IN AMD_CONFIG_PARAMS *StdHeader, |
| IN AMD_CPU_EARLY_PARAMS *CpuEarlyParamsPtr |
| ) |
| { |
| UINT32 Core; |
| UINT32 Socket; |
| UINT32 IgnoredModule; |
| UINT32 IgnoredCore; |
| UINT32 ActiveCores; |
| AGESA_STATUS IgnoredSts; |
| |
| IdentifyCore (StdHeader, &Socket, &IgnoredModule, &IgnoredCore, &IgnoredSts); |
| GetActiveCoresInCurrentSocket (&ActiveCores, StdHeader); |
| |
| for (Core = 1; Core < (UINT8) ActiveCores; ++Core) { |
| ApUtilRunCodeOnSocketCore ((UINT8)Socket, (UINT8)Core, TaskPtr, StdHeader); |
| } |
| ApUtilTaskOnExecutingCore (TaskPtr, StdHeader, (VOID *) CpuEarlyParamsPtr); |
| } |
