diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/Proc/Mem/Tech/mttml.c')
-rw-r--r-- | src/vendorcode/amd/agesa/Proc/Mem/Tech/mttml.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/Proc/Mem/Tech/mttml.c b/src/vendorcode/amd/agesa/Proc/Mem/Tech/mttml.c new file mode 100644 index 0000000000..06d583fb29 --- /dev/null +++ b/src/vendorcode/amd/agesa/Proc/Mem/Tech/mttml.c @@ -0,0 +1,255 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * mttml.c + * + * Technology Max Latency Training support + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/Tech) + * @e \$Revision: 38442 $ @e \$Date: 2010-09-24 06:39:57 +0800 (Fri, 24 Sep 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. + * + * *************************************************************************** + * + */ + +/* + *---------------------------------------------------------------------------- + * MODULES USED + * + *---------------------------------------------------------------------------- + */ + + + +#include "AGESA.h" +#include "Ids.h" +#include "mm.h" +#include "mn.h" +#include "mu.h" +#include "mt.h" +#include "merrhdl.h" +#include "GeneralServices.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_MEM_TECH_MTTML_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ +/* -----------------------------------------------------------------------------*/ +/** + * + * This function trains Max latency for all dies + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + * @return TRUE - No fatal error occurs. + * @return FALSE - Fatal error occurs. + */ + +BOOLEAN +MemTTrainMaxLatency ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + UINT32 TestAddrRJ16; + UINT8 Dct; + UINT8 ChipSel; + UINT8 *PatternBufPtr; + UINT8 *TestBufferPtr; + UINT16 CalcMaxLatDly; + UINT16 MaxLatDly; + UINT16 MaxLatLimit; + UINT16 Margin; + UINT16 CurTest; + UINT16 _CL_; + UINT8 TimesFail; + UINT8 TimesRetrain; + UINT16 i; + + MEM_DATA_STRUCT *MemPtr; + DIE_STRUCT *MCTPtr; + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + MCTPtr = NBPtr->MCTPtr; + MemPtr = NBPtr->MemPtr; + TechPtr->TrainingType = TRN_MAX_READ_LATENCY; + TimesRetrain = DEFAULT_TRAINING_TIMES; + IDS_OPTION_HOOK (IDS_MEM_RETRAIN_TIMES, &TimesRetrain, &MemPtr->StdHeader); + + IDS_HDT_CONSOLE (MEM_STATUS, "\nStart MaxRdLat training\n"); + // Set environment settings before training + AGESA_TESTPOINT (TpProcMemMaxRdLatencyTraining, &(MemPtr->StdHeader)); + MemTBeginTraining (TechPtr); + // + // Initialize the Training Pattern + // + if (AGESA_SUCCESS != NBPtr->TrainingPatternInit (NBPtr)) { + return (BOOLEAN) (MCTPtr->ErrCode < AGESA_FATAL); + } + TechPtr->PatternLength = (MCTPtr->Status[Sb128bitmode]) ? 6 : 3; + // + // Setup hardware training engine (if applicable) + // + NBPtr->FamilySpecificHook[SetupHwTrainingEngine] (NBPtr, &TechPtr->TrainingType); + + MaxLatDly = 0; + _CL_ = TechPtr->PatternLength; + PatternBufPtr = TechPtr->PatternBufPtr; + TestBufferPtr = TechPtr->TestBufPtr; + // + // Begin max latency training + // + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + if (MCTPtr->Status[Sb128bitmode] && (Dct != 0)) { + break; + } + + IDS_HDT_CONSOLE (MEM_STATUS, "\tDct %d\n", Dct); + NBPtr->SwitchDCT (NBPtr, Dct); + + if (NBPtr->DCTPtr->Timings.DctMemSize != 0) { + if (TechPtr->FindMaxDlyForMaxRdLat (TechPtr, &ChipSel)) { + + if (NBPtr->GetSysAddr (NBPtr, ChipSel, &TestAddrRJ16)) { + IDS_HDT_CONSOLE (MEM_STATUS, "\t\tCS %d\n", ChipSel); + IDS_HDT_CONSOLE (MEM_FLOW, "\t\t\tWrite to address: %04x0000\n", TestAddrRJ16); + + // Write the test patterns + AGESA_TESTPOINT (TpProcMemMaxRdLatWritePattern, &(MemPtr->StdHeader)); + NBPtr->WritePattern (NBPtr, TestAddrRJ16, PatternBufPtr, _CL_); + + // Sweep max latency delays + NBPtr->getMaxLatParams (NBPtr, TechPtr->MaxDlyForMaxRdLat, &CalcMaxLatDly, &MaxLatLimit, &Margin); + AGESA_TESTPOINT (TpProcMemMaxRdLatStartSweep, &(MemPtr->StdHeader)); + + TimesFail = 0; + ERROR_HANDLE_RETRAIN_BEGIN (TimesFail, TimesRetrain) + { + MaxLatDly = CalcMaxLatDly; + for (i = 0; i < (MaxLatLimit - CalcMaxLatDly); i++) { + NBPtr->SetBitField (NBPtr, BFMaxLatency, MaxLatDly); + IDS_HDT_CONSOLE (MEM_FLOW, "\t\t\tDly %3x", MaxLatDly); + TechPtr->ResetDCTWrPtr (TechPtr, 6); + + AGESA_TESTPOINT (TpProcMemMaxRdLatReadPattern, &(MemPtr->StdHeader)); + NBPtr->ReadPattern (NBPtr, TestBufferPtr, TestAddrRJ16, _CL_); + AGESA_TESTPOINT (TpProcMemMaxRdLatTestPattern, &(MemPtr->StdHeader)); + CurTest = NBPtr->CompareTestPattern (NBPtr, TestBufferPtr, PatternBufPtr, _CL_ * 64); + NBPtr->FlushPattern (NBPtr, TestAddrRJ16, _CL_); + + if (NBPtr->IsSupported[ReverseMaxRdLatTrain]) { + // Reverse training decrements MaxLatDly whenever the test passes + // and uses the last passing MaxLatDly as left edge + if (CurTest == 0xFFFF) { + IDS_HDT_CONSOLE (MEM_FLOW, " P"); + if (MaxLatDly == 0) { + break; + } else { + MaxLatDly--; + } + } + } else { + // Traditional training increments MaxLatDly until the test passes + // and uses it as left edge + if (CurTest == 0xFFFF) { + IDS_HDT_CONSOLE (MEM_FLOW, " P"); + break; + } else { + MaxLatDly++; + } + } + IDS_HDT_CONSOLE (MEM_FLOW, "\n"); + }// End of delay sweep + ERROR_HANDLE_RETRAIN_END ((MaxLatDly >= MaxLatLimit), TimesFail) + } + + AGESA_TESTPOINT (TpProcMemMaxRdLatSetDelay, &(MemPtr->StdHeader)); + + if (MaxLatDly >= MaxLatLimit) { + PutEventLog (AGESA_ERROR, MEM_ERROR_MAX_LAT_NO_WINDOW, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + SetMemError (AGESA_ERROR, MCTPtr); + NBPtr->DCTPtr->Timings.CsTrainFail |= NBPtr->DCTPtr->Timings.CsPresent; + MCTPtr->ChannelTrainFail |= (UINT32)1 << Dct; + if (!NBPtr->MemPtr->ErrorHandling (MCTPtr, NBPtr->Dct, EXCLUDE_ALL_CHIPSEL, &NBPtr->MemPtr->StdHeader)) { + return FALSE; + } + } else { + NBPtr->FamilySpecificHook[AddlMaxRdLatTrain] (NBPtr, &TestAddrRJ16); + + MaxLatDly = MaxLatDly + Margin; + if (NBPtr->IsSupported[ReverseMaxRdLatTrain]) { + MaxLatDly++; // Add 1 to get back to the last passing value + } + // Set final delays + NBPtr->SetBitField (NBPtr, BFMaxLatency, MaxLatDly); + IDS_HDT_CONSOLE (MEM_FLOW, "\t\tFinal MaxRdLat: %03x\n", MaxLatDly); + } + } + } + } + } + + // Restore environment settings after training + MemTEndTraining (TechPtr); + IDS_HDT_CONSOLE (MEM_FLOW, "End MaxRdLat training\n\n"); + // + // Finalize the Pattern + // + NBPtr->TrainingPatternFinalize (NBPtr); + return (BOOLEAN) (MCTPtr->ErrCode < AGESA_FATAL); +} |