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Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/Mem/Tech/mtthrc.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/Mem/Tech/mtthrc.c | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Tech/mtthrc.c b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Tech/mtthrc.c new file mode 100644 index 0000000000..7a07ef4217 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Tech/mtthrc.c @@ -0,0 +1,337 @@ +/* $NoKeywords:$ */ +/** + * @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 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. +* +* AMD is granting you permission to use this software (the Materials) +* pursuant to the terms and conditions of your Software License Agreement +* with AMD. This header does *NOT* give you permission to use the Materials +* or any rights under AMD's intellectual property. Your use of any portion +* of these Materials shall constitute your acceptance of those terms and +* conditions. If you do not agree to the terms and conditions of the Software +* License Agreement, please do not use any portion of these Materials. +* +* CONFIDENTIALITY: The Materials and all other information, identified as +* confidential and provided to you by AMD shall be kept confidential in +* accordance with the terms and conditions of the Software License Agreement. +* +* LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION +* PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED +* WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF +* MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE, +* OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE. +* IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER +* (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS +* INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE, +* GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER +* RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF +* THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE +* EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, +* THE ABOVE LIMITATION MAY NOT APPLY TO YOU. +* +* AMD does not assume any responsibility for any errors which may appear in +* the Materials or any other related information provided to you by AMD, or +* result from use of the Materials or any related information. +* +* You agree that you will not reverse engineer or decompile the Materials. +* +* NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any +* further information, software, technical information, know-how, or show-how +* available to you. Additionally, AMD retains the right to modify the +* Materials at any time, without notice, and is not obligated to provide such +* modified Materials to you. +* +* U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with +* "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is +* subject to the restrictions as set forth in FAR 52.227-14 and +* DFAR252.227-7013, et seq., or its successor. Use of the Materials by the +* Government constitutes acknowledgement of AMD's proprietary rights in them. +* +* EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any +* direct product thereof will be exported directly or indirectly, into any +* country prohibited by the United States Export Administration Act and the +* regulations thereunder, without the required authorization from the U.S. +* government nor will be used for any purpose prohibited by the same. +* *************************************************************************** +* +*/ + +/* + *---------------------------------------------------------------------------- + * 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"); + ) +} |