/* $NoKeywords:$ */ /** * @file * * mtthrc.c * * Phy assisted DQS receiver enable training * * @xrefitem bom "File Content Label" "Release Content" * @e project: AGESA * @e sub-project: (Mem/Tech) * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ * **/ /***************************************************************************** * * Copyright (c) 2008 - 2012, 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 "amdlib.h" #include "Ids.h" #include "mm.h" #include "mn.h" #include "mt.h" #include "Filecode.h" CODE_GROUP (G1_PEICC) RDATA_GROUP (G1_PEICC) #define FILECODE PROC_MEM_TECH_MTTHRC_FILECODE /*---------------------------------------------------------------------------- * DEFINITIONS AND MACROS * *---------------------------------------------------------------------------- */ #define TpProcMemRcvrSetSeed TpProcMemRcvrSetDelay #define TpProcMemRcvrInitPRE TpProcMemRcvrStartSweep #define TpProcMemRcvrBackToBackRead TpProcMemRcvrTestPattern /*---------------------------------------------------------------------------- * TYPEDEFS AND STRUCTURES * *---------------------------------------------------------------------------- */ /*---------------------------------------------------------------------------- * PROTOTYPES OF LOCAL FUNCTIONS * *---------------------------------------------------------------------------- */ VOID STATIC MemTProgramRcvrEnDly ( IN OUT MEM_TECH_BLOCK *TechPtr, IN UINT8 ChipSel, IN UINT8 Pass ); BOOLEAN STATIC MemTDqsTrainRcvrEnHw ( IN OUT MEM_TECH_BLOCK *TechPtr, IN UINT8 Pass ); /*---------------------------------------------------------------------------- * EXPORTED FUNCTIONS * *---------------------------------------------------------------------------- */ extern UINT16 T1minToFreq[]; /* -----------------------------------------------------------------------------*/ /** * * This function executes first pass of Phy assisted receiver enable training * for current node at DDR800 and below. * * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK * * @pre Auto refresh and ZQCL must be disabled * * @return TRUE - No fatal error occurs. * @return FALSE - Fatal error occurs. */ BOOLEAN MemTDqsTrainRcvrEnHwPass1 ( IN OUT MEM_TECH_BLOCK *TechPtr ) { return MemTDqsTrainRcvrEnHw (TechPtr, 1); } /* -----------------------------------------------------------------------------*/ /** * * This function executes second pass of Phy assisted receiver enable training * for current node at DDR1066 and above. * * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK * * @pre Auto refresh and ZQCL must be disabled * * @return TRUE - No fatal error occurs. * @return FALSE - Fatal error occurs. */ BOOLEAN MemTDqsTrainRcvrEnHwPass2 ( IN OUT MEM_TECH_BLOCK *TechPtr ) { // If current speed is higher than start-up speed, do second pass of WL if (TechPtr->NBPtr->DCTPtr->Timings.Speed > TechPtr->NBPtr->StartupSpeed) { return MemTDqsTrainRcvrEnHw (TechPtr, 2); } return TRUE; } /*---------------------------------------------------------------------------- * LOCAL FUNCTIONS * *---------------------------------------------------------------------------- */ /* -----------------------------------------------------------------------------*/ /** * * This function executes Phy assisted receiver enable training for current node. * * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK * @param[in] Pass - Pass of the receiver training * * @pre Auto refresh and ZQCL must be disabled * */ BOOLEAN STATIC MemTDqsTrainRcvrEnHw ( IN OUT MEM_TECH_BLOCK *TechPtr, IN UINT8 Pass ) { MEM_NB_BLOCK *NBPtr; UINT32 TestAddrRJ16; UINT8 Dct; UINT8 ChipSel; NBPtr = TechPtr->NBPtr; TechPtr->TrainingType = TRN_RCVR_ENABLE; AGESA_TESTPOINT (TpProcMemReceiverEnableTraining , &(NBPtr->MemPtr->StdHeader)); IDS_HDT_CONSOLE (MEM_STATUS, "\nStart HW RxEn training\n"); // Set environment settings before training MemTBeginTraining (TechPtr); // // Setup hardware training engine (if applicable) // NBPtr->FamilySpecificHook[SetupHwTrainingEngine] (NBPtr, &TechPtr->TrainingType); for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { IDS_HDT_CONSOLE (MEM_STATUS, "\tDct %d\n", Dct); NBPtr->SwitchDCT (NBPtr, Dct); //training for each rank for (ChipSel = 0; ChipSel < MAX_CS_PER_CHANNEL; (NBPtr->MCTPtr->Status[SbLrdimms])? ChipSel += 2: ChipSel++) { if (NBPtr->GetSysAddr (NBPtr, ChipSel, &TestAddrRJ16)) { if (!(NBPtr->MCTPtr->Status[SbLrdimms]) || ((NBPtr->ChannelPtr->LrDimmPresent & ((UINT8) 1 << (ChipSel >> 1))) != 0)) { // 1.Prepare the DIMMs for training NBPtr->SetBitField (NBPtr, BFTrDimmSel, ChipSel / NBPtr->CsPerDelay); TechPtr->ChipSel = ChipSel; TechPtr->Pass = Pass; NBPtr->FamilySpecificHook[InitPerNibbleTrn] (NBPtr, NULL); for (TechPtr->TrnNibble = NIBBLE_0; TechPtr->TrnNibble <= (NBPtr->FamilySpecificHook[TrainRxEnPerNibble] (NBPtr, &ChipSel)? NIBBLE_0 : NIBBLE_1); TechPtr->TrnNibble++) { // 2.Prepare the phy for DQS receiver enable training. IDS_HDT_CONSOLE (MEM_STATUS, "\t\tCS %d\n", ChipSel); IDS_HDT_CONSOLE (MEM_FLOW, "\t\tTestAddr %x0000\n", TestAddrRJ16); IDS_HDT_CONSOLE (MEM_FLOW, "\t\t\t Byte: 00 01 02 03 04 05 06 07 ECC\n"); AGESA_TESTPOINT (TpProcMemRcvrSetSeed, &(NBPtr->MemPtr->StdHeader)); NBPtr->MemNPrepareRcvrEnDlySeed (NBPtr); AGESA_TESTPOINT (TpProcMemRcvrInitPRE, &(NBPtr->MemPtr->StdHeader)); // 3.BIOS initiates the phy assisted receiver enable training NBPtr->SetBitField (NBPtr, BFDqsRcvTrEn, 1); // 4.BIOS begins sending out of back-to-back reads to create // a continuous stream of DQS edges on the DDR interface AGESA_TESTPOINT (TpProcMemRcvrBackToBackRead, &(NBPtr->MemPtr->StdHeader)); NBPtr->GenHwRcvEnReads (NBPtr, TestAddrRJ16); // 7.Program [DqsRcvTrEn]=0 to stop the DQS receive enable training. NBPtr->SetBitField (NBPtr, BFDqsRcvTrEn, 0); // 8.Get the gross and fine delay values. // 9.Calculate the corresponding final delay values MemTProgramRcvrEnDly (TechPtr, ChipSel, Pass); } } } } } // Restore environment settings after training MemTEndTraining (TechPtr); IDS_HDT_CONSOLE (MEM_FLOW, "End HW RxEn training\n\n"); return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL); } /* -----------------------------------------------------------------------------*/ /** * * This function calculates final RcvrEnDly for each rank * * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK * @param[in] ChipSel - Rank to be trained * @param[in] Pass - Pass of the receiver training * */ VOID STATIC MemTProgramRcvrEnDly ( IN OUT MEM_TECH_BLOCK *TechPtr, IN UINT8 ChipSel, IN UINT8 Pass ) { MEM_NB_BLOCK *NBPtr; CH_DEF_STRUCT *ChannelPtr; UINT8 ByteLane; UINT16 RcvEnDly; UINT16 CsPairRcvEnDly; UINT16 RankRcvEnDly[9]; NBPtr = TechPtr->NBPtr; ChannelPtr = TechPtr->NBPtr->ChannelPtr; IDS_HDT_CONSOLE (MEM_FLOW, "\t\t\t PRE: "); for (ByteLane = 0; ByteLane < (NBPtr->MCTPtr->Status[SbEccDimms] ? 9 : 8) ; ByteLane++) { RcvEnDly = (UINT8) NBPtr->GetTrainDly (NBPtr, AccessPhRecDly, DIMM_BYTE_ACCESS (ChipSel / NBPtr->CsPerDelay, ByteLane)); IDS_HDT_CONSOLE (MEM_FLOW, "%03x ", RcvEnDly); RcvEnDly = RcvEnDly + TechPtr->DiffSeedGrossSeedPreGross[ByteLane]; // Add 1 UI to get to the midpoint of preamble RcvEnDly += 0x20; TechPtr->Bytelane = ByteLane; RankRcvEnDly[ByteLane] = RcvEnDly; if (NBPtr->FamilySpecificHook[TrainRxEnAdjustDlyPerNibble] (NBPtr, &RcvEnDly)) { if (((ChipSel & 1) == 1) && (NBPtr->CsPerDelay == 2)) { // For each rank pair on a dual-rank DIMM, compute the average value of the total delays saved during the // training of each rank and program the result in D18F2x[1,0]9C_x0000_00[24:10][DqsRcvEnGrossDelay, // DqsRcvEnFineDelay]. CsPairRcvEnDly = ChannelPtr->RcvEnDlys[(ChipSel >> 1) * TechPtr->DlyTableWidth () + ByteLane]; RcvEnDly = (CsPairRcvEnDly + RcvEnDly + 1) / 2; } } ChannelPtr->RcvEnDlys[(ChipSel / NBPtr->CsPerDelay) * TechPtr->DlyTableWidth () + ByteLane] = RcvEnDly; NBPtr->SetTrainDly (NBPtr, AccessRcvEnDly, DIMM_BYTE_ACCESS ((ChipSel / NBPtr->CsPerDelay), ByteLane), RcvEnDly); } IDS_HDT_CONSOLE_DEBUG_CODE ( IDS_HDT_CONSOLE (MEM_FLOW, "\n\t\t\t RxEn: "); for (ByteLane = 0; ByteLane < (NBPtr->MCTPtr->Status[SbEccDimms] ? 9 : 8); ByteLane++) { IDS_HDT_CONSOLE (MEM_FLOW, "%03x ", RankRcvEnDly[ByteLane]); } if (NBPtr->FamilySpecificHook[TrainRxEnGetAvgDlyPerNibble] (NBPtr, NULL)) { if (((ChipSel & 1) == 1) && (NBPtr->CsPerDelay == 2)) { IDS_HDT_CONSOLE (MEM_FLOW, "\n\t\t\t Avg: "); for (ByteLane = 0; ByteLane < (NBPtr->MCTPtr->Status[SbEccDimms] ? 9 : 8); ByteLane++) { IDS_HDT_CONSOLE (MEM_FLOW, "%03x ", ChannelPtr->RcvEnDlys[(ChipSel / NBPtr->CsPerDelay) * TechPtr->DlyTableWidth () + ByteLane]); } } } IDS_HDT_CONSOLE (MEM_FLOW, "\n\n"); ) }