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Diffstat (limited to 'src/vendorcode/amd/agesa/Proc/Mem/Tech/DDR3/mtlrdimm3.c')
-rw-r--r-- | src/vendorcode/amd/agesa/Proc/Mem/Tech/DDR3/mtlrdimm3.c | 1102 |
1 files changed, 1102 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/Proc/Mem/Tech/DDR3/mtlrdimm3.c b/src/vendorcode/amd/agesa/Proc/Mem/Tech/DDR3/mtlrdimm3.c new file mode 100644 index 0000000000..4775def8a2 --- /dev/null +++ b/src/vendorcode/amd/agesa/Proc/Mem/Tech/DDR3/mtlrdimm3.c @@ -0,0 +1,1102 @@ +/** + * @file + * + * mtlrdimm3.c + * + * Technology initialization and control workd support for DDR3 LRDIMMS + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/Tech/DDR3) + * @e \$Revision: 23714 $ @e \$Date: 2009-12-09 17:28:37 -0600 (Wed, 09 Dec 2009) $ + * + **/ +/* + ***************************************************************************** + * + * 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 "amdlib.h" +#include "Ids.h" +#include "mm.h" +#include "mn.h" +#include "mu.h" +#include "mt.h" +#include "mt3.h" +#include "mtspd3.h" +#include "mtrci3.h" +#include "mtsdi3.h" +#include "mtlrdimm3.h" +#include "merrhdl.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) +#define FILECODE PROC_MEM_TECH_DDR3_MTLRDIMM3_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +VOID +STATIC +MemTSendMBCtlWord3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN UINT8 Fn, + IN UINT8 Rcw, + IN UINT8 Value + ); + +UINT8 +STATIC +MemTGetSpecialMBCtlWord3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN UINT8 Dimm, + IN UINT8 Fn, + IN UINT8 Rc + ); + +BOOLEAN +STATIC +MemTLrDimmControlRegInit3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN OUT VOID *OptParam + ); + +BOOLEAN +STATIC +MemTLrDimmFreqChgCtrlWrd3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN OUT VOID *OptParam + ); + +BOOLEAN +STATIC +MemTWLPrepareLrdimm3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN OUT VOID *Wl + ); + +BOOLEAN +STATIC +MemTSendAllMRCmdsLR3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN OUT VOID *CsPtr + ); + +VOID +STATIC +MemTEMRS1Lr3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN UINT8 ChipSel, + IN UINT8 PhyRank + ); + +VOID +STATIC +MemTEMRS2Lr3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN UINT8 ChipSel + ); + + +BOOLEAN +STATIC +MemTLrdimmRankMultiplication ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN OUT VOID *DimmID + ); + +BOOLEAN +STATIC +MemTLrdimmBuf2DramTrain3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN OUT VOID *OptParam + ); + +BOOLEAN +STATIC +MemTLrdimmSyncTrainedDlys ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN OUT VOID *OptParam + ); + +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function initializes LRDIMM functions. + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + */ + +BOOLEAN +MemTLrdimmConstructor3 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + TechPtr->TechnologySpecificHook[LrdimmSendAllMRCmds] = MemTSendAllMRCmdsLR3; + TechPtr->TechnologySpecificHook[LrdimmControlRegInit] = MemTLrDimmControlRegInit3; + TechPtr->TechnologySpecificHook[LrdimmFreqChgCtrlWrd] = MemTLrDimmFreqChgCtrlWrd3; + TechPtr->TechnologySpecificHook[WlTrainingPrepareLrdimm] = MemTWLPrepareLrdimm3; + TechPtr->TechnologySpecificHook[LrdimmRankMultiplication] = MemTLrdimmRankMultiplication; + TechPtr->TechnologySpecificHook[LrdimmBuf2DramTrain] = MemTLrdimmBuf2DramTrain3; + TechPtr->TechnologySpecificHook[LrdimmSyncTrainedDlys] = MemTLrdimmSyncTrainedDlys; + return TRUE; +} + +/*---------------------------------------------------------------------------- + * LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function sends a Control word command to an LRDIMM Memory Buffer + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * @param[in] Fn - control word function + * @param[in] Rcw - control word number + * @param[in] Value - value to send + * + */ + +VOID +STATIC +MemTSendMBCtlWord3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN UINT8 Fn, + IN UINT8 Rcw, + IN UINT8 Value + ) +{ + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + + ASSERT (Rcw != RCW_FN_SELECT); // RC7 can only be used for function select + IDS_HDT_CONSOLE (MEM_FLOW, "\t\tF%dRC%d = %x\n", Fn, Rcw, Value); + // + // Select the MB Function by sending the Fn number + // to the Function Select Control Word + // + MemUWait10ns (800, NBPtr->MemPtr); + MemTSendCtlWord3 (TechPtr, RCW_FN_SELECT, Fn); + // + // Send the value to the control word + // + MemUWait10ns (800, NBPtr->MemPtr); + MemTSendCtlWord3 (TechPtr, Rcw, Value); + + +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function gets the value of special RCW + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * @param[in] Dimm - Physical LR DIMM number + * @param[in] Fn - control word function + * @param[in] Rc - control word number + * + * @return Special RCW value + * + */ + +UINT8 +STATIC +MemTGetSpecialMBCtlWord3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN UINT8 Dimm, + IN UINT8 Fn, + IN UINT8 Rc + ) +{ + CONST UINT8 F0RC13PhyRankTab[] = {3, 2, 0, 1, 0}; + UINT8 PhyRanks; + UINT8 LogRanks; + UINT8 DramCap; + UINT8 Value8; + UINT8 *SpdBufferPtr; + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + + MemTGetDimmSpdBuffer3 (TechPtr, &SpdBufferPtr, Dimm); + + Value8 = 0; + switch (Fn) { + case 0: + switch (Rc) { + case 8: + // F0RC8 + Value8 = NBPtr->PsPtr->F0RC8; + break; + case 10: + // F0RC10 + // 2:0 OperatingSpeed: operating speed. BIOS: Table 88. + if (NBPtr->DCTPtr->Timings.Speed == DDR667_FREQUENCY) { + Value8 = 0; + } else { + Value8 = (UINT8) (NBPtr->DCTPtr->Timings.Speed / 133) - 3; + } + break; + case 11: + // F0RC11 + // 3:2 ParityCalculation: partiy calculation. BIOS: Table. + // 1:0 OperatingVoltage: operating voltage. BIOS: IF(VDDIO == 1.5) THEN 00b ELSEIF (VDDIO == + // 1.35) THEN 01b ELSE 10b ENDIF. + DramCap = SpdBufferPtr[SPD_DENSITY] & 0xF; + if ((NBPtr->ChannelPtr->LrDimmRankMult[Dimm] + DramCap * 2) > 8) { + Value8 = 8; + } else { + Value8 = 4; + } + Value8 |= NBPtr->RefPtr->DDR3Voltage; + break; + case 13: + // F0RC13 + // 3:2 NumLogicalRanks: partiy calculation. BIOS: Table 90. + // 1:0 NumPhysicalRanks: operating voltage. BIOS: Table 89. + LogRanks = NBPtr->ChannelPtr->LrDimmLogicalRanks[Dimm] >> 1; + PhyRanks = F0RC13PhyRankTab[(SpdBufferPtr[SPD_RANKS] >> 3) & 7]; + Value8 = (LogRanks << 2) | PhyRanks; + break; + case 14: + // F0RC14 + // 3 DramBusWidth: DRAM bus width. BIOS: IF (DeviceWidth==0) THEN 0 ELSE 1 ENDIF. + // 2 MRSCommandControl: MRS command control. BIOS: IF (F0RC15[RankMultiplicationControl] + // > 0) THEN 1 ELSE 0 ENDIF. + // 1 RefreshPrechargeCommandControl: refresh and precharge command control. BIOS: IF + // (F0RC15[RankMultiplicationControl] > 0) THEN D18F2xA8_dct[1:0][LrDimmEnhRefEn] ELSE 0 ENDIF. + // 0 AddressMirror: address mirror. BIOS: RankMap. See D18F2x[5C:40]_dct[1:0][OnDimmMirror]. + if ((SpdBufferPtr[SPD_DEV_WIDTH] & 7) != 0) { + Value8 |= 8; + } + if (NBPtr->ChannelPtr->LrDimmRankMult[Dimm] > 1) { + Value8 |= 4; + if (NBPtr->GetBitField (NBPtr, BFLrDimmEnhRefEn) == 1) { + Value8 |= 2; + } + } + if ((SpdBufferPtr[SPD_ADDRMAP] & 1) != 0) { + Value8 |= 1; + } + break; + case 15: + // F0RC15 + // 3:0 RankMultiplicationControl: rank multiplication control. BIOS: Table 91. + DramCap = SpdBufferPtr[SPD_DENSITY] & 0xF; + ASSERT ((DramCap >= 2) && (DramCap <= 4)); // BKDG only lists 1Gb, 2Gb, and 4Gb + switch (NBPtr->ChannelPtr->LrDimmRankMult[Dimm]) { + case 1: + Value8 = 0; + break; + case 2: + Value8 = DramCap - 1; + break; + case 4: + Value8 = DramCap + 3; + break; + default: + ASSERT (FALSE); + } + break; + default: + ASSERT (FALSE); + } + break; + case 1: + switch (Rc) { + case 0: + // F1RC0 + Value8 = NBPtr->PsPtr->F1RC0; + Value8 |= (UINT8) NBPtr->GetBitField (NBPtr, BFCSTimingMux67) << 3; + break; + case 1: + // F1RC1 + Value8 = NBPtr->PsPtr->F1RC1; + break; + case 2: + // F1RC2 + Value8 = NBPtr->PsPtr->F1RC2; + break; + case 9: + // F1RC9 + if (NBPtr->GetBitField (NBPtr, BFLrDimmEnhRefEn) == 0) { + Value8 = 1; + } + break; + default: + ASSERT (FALSE); + } + break; + case 3: + switch (Rc) { + case 0: + // F3RC0 + // 3 TDQSControl: TDQS control. BIOS: 0. + // 2:0 RttNom: RttNom. BIOS: Table 57, Table 60 + Value8 = NBPtr->PsPtr->RttNom[Dimm << 1]; + break; + case 1: + // F3RC1 + // 3 Vref: Vref. BIOS: 0. + // 2:0 RttWr: RttWr. BIOS: Table 57, Table 60. + Value8 = NBPtr->PsPtr->RttWr[Dimm << 1]; + break; + default: + ASSERT (FALSE); + } + break; + default: + ASSERT (FALSE); + } + + return Value8; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function sends LRDIMM Control Words to all LRDIMMS + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * @param[in,out] OptParam - Optional parameter + * + * @return TRUE + */ + +BOOLEAN +STATIC +MemTLrDimmControlRegInit3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN OUT VOID *OptParam + ) +{ + CONST UINT8 RCWInitTable[] = { + // RCW, Mask, SPD + F0, RC0, 0x00, SPD_NONE, + F0, RC1, 0x00, SPD_NONE, + F0, RC2, 0x03, SPD_67, + F0, RC10, 0x00, SPECIAL_CASE, + F0, RC11, 0x00, SPECIAL_CASE, + + F1, RC8, 0x0F, SPD_69, + F1, RC11, 0xF0, SPD_69, + F1, RC12, 0x0F, SPD_70, + F1, RC13, 0xF0, SPD_70, + F1, RC14, 0x0F, SPD_71, + F1, RC15, 0xF0, SPD_71, + + WAIT_6US, 0, 0, 0, + + F0, RC3, 0xF0, SPD_67, + F0, RC4, 0x0F, SPD_68, + F0, RC5, 0xF0, SPD_68, + + F0, RC6, 0x00, SPD_NONE, + F0, RC8, 0x00, SPECIAL_CASE, + F0, RC9, 0x0C, SPD_NONE, + F0, RC13, 0x00, SPECIAL_CASE, + F0, RC14, 0x00, SPECIAL_CASE, + F0, RC15, 0x00, SPECIAL_CASE, + + F1, RC0, 0x00, SPECIAL_CASE, + F1, RC1, 0x00, SPECIAL_CASE, + F1, RC2, 0x00, SPECIAL_CASE, + F1, RC3, 0x00, SPD_NONE, + F1, RC9, 0x00, SPECIAL_CASE, + F1, RC10, 0x00, SPD_NONE, + + F2, RC0, 0x00, SPD_NONE, + F2, RC1, 0x00, SPD_NONE, + F2, RC2, 0x0F, SPD_NONE, + F2, RC3, 0x00, SPD_NONE, + + F3, RC0, 0x00, SPECIAL_CASE, + F3, RC1, 0x00, SPECIAL_CASE, + F3, RC2, 0x01, SPD_NONE, + F3, RC6, 0x08, SPD_NONE + + // F3 RC[8,9] are programmed in MDQ RC loop + + // F[10:3] RC[11,10] are programmed in QxODT RC loop + + // F[15,14] RC[15:0] are programmed in personality RC loop + }; + + UINT8 Dimm; + UINT16 i; + UINT16 DimmMask; + UINT8 Fn; + UINT8 Rc; + UINT8 Mask; + UINT8 Spd; + UINT8 *SpdBufferPtr; + UINT8 FreqDiffOffset; + UINT8 Value8; + MEM_DATA_STRUCT *MemPtr; + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + MemPtr = NBPtr->MemPtr; + + if (NBPtr->MCTPtr->Status[SbLrdimms]) { + for (Dimm = 0; Dimm < MAX_DIMMS_PER_CHANNEL; Dimm++) { + DimmMask = (UINT16)1 << Dimm; + if ((NBPtr->ChannelPtr->LrDimmPresent & DimmMask) != 0) { + IDS_HDT_CONSOLE (MEM_FLOW, "\t\tSending LRDIMM Control Words: Dimm %02x\n", Dimm); + // + // Select the Target Chipselects + // + NBPtr->SetBitField (NBPtr, BFMrsChipSel, (Dimm << 1)); + NBPtr->SetBitField (NBPtr, BFCtrlWordCS, 3 << (Dimm << 1)); + + MemTGetDimmSpdBuffer3 (TechPtr, &SpdBufferPtr, Dimm); + for (i = 0; i < sizeof (RCWInitTable) ; i += 4) { + Fn = RCWInitTable[i]; + Rc = RCWInitTable[i + 1]; + Mask = RCWInitTable[i + 2]; + Spd = RCWInitTable[i + 3]; + + if (Fn == WAIT_6US) { + MemUWait10ns (600, MemPtr); // wait 6us for TSTAB + } else { + if (Spd == SPD_NONE) { + Value8 = Mask; + } else if (Spd == SPECIAL_CASE) { + Value8 = MemTGetSpecialMBCtlWord3 (TechPtr, Dimm, Fn, Rc); + } else { + Value8 = (Mask > 0x0F) ? ((SpdBufferPtr[Spd] & Mask) >> 4) : (SpdBufferPtr[Spd] & Mask); + } + MemTSendMBCtlWord3 (TechPtr, Fn, Rc, Value8); + } + } + + FreqDiffOffset = (UINT8) (SPD_FREQ_DIFF_OFFSET * (((NBPtr->DCTPtr->Timings.Speed / 133) - 3) / 2)); + // + // Send RCW to program MDQ termination and drive strength + // + for (Rc = 8; Rc <= 9; Rc++) { + Value8 = SpdBufferPtr[SPD_MDQ_800_1066 + FreqDiffOffset]; + Value8 = (Rc == 9) ? (Value8 >> 4) : Value8; + MemTSendMBCtlWord3 (TechPtr, 3, Rc, Value8 & 0x07); + } + + // + // Send RCW to program QxODT + // + for (Fn = 3; Fn <= 10; Fn ++) { + for (Rc = 10; Rc <= 11; Rc++) { + Value8 = SpdBufferPtr[SPD_QXODT_800_1066 + FreqDiffOffset + ((Fn - 3) >> 1)]; + Value8 = (Rc == 11) ? (Value8 >> 4) : (Value8 & 0x0F); + Value8 = ((Fn & 1) == 0) ? (Value8 >> 2) : (Value8 & 0x03); + MemTSendMBCtlWord3 (TechPtr, Fn, Rc, Value8); + } + } + + // + // Send Personality bytes from SPD + // + for (Fn = 14; Fn < 16; Fn ++) { + for (Rc = 0; Rc < 16 ; Rc++) { + Value8 = SpdBufferPtr[SPD_PERSONALITY_BYTE + ((Fn - 14) << 3) + (Rc >> 1)]; + if ((Fn == 14) && (Rc == 0)) { + Value8 |= 0x01; // Write global enable + } + if (Rc != 0x07) { + MemTSendMBCtlWord3 (TechPtr, Fn, Rc, ((Rc & 1) != 0) ? (Value8 >> 4) : (Value8 & 0x0F)); + } + } + } + } + } + } + return TRUE; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function sends LRDIMM Control Words to all LRDIMMS + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * @param[in,out] OptParam - Optional parameter + * + * @return FALSE - The current channel does not have LRDIMM populated + * TRUE - The current channel has LRDIMM populated + */ + +BOOLEAN +STATIC +MemTLrDimmFreqChgCtrlWrd3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN OUT VOID *OptParam + ) +{ + UINT8 Dct; + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + + if (NBPtr->MCTPtr->Status[SbLrdimms]) { + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + MemNSwitchDCTNb (NBPtr, Dct); + if (NBPtr->DCTPtr->Timings.DctMemSize != 0) { + MemTLrDimmControlRegInit3 (TechPtr, NULL); + } + } + return TRUE; + } + return FALSE; +} + +/*----------------------------------------------------------------------------- + * + * + * This function prepares LRDIMMs for WL training. + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * @param[in,out] *Wl - Indicates if WL mode should be enabled + * + * @return TRUE - LRDIMMs present + * ---------------------------------------------------------------------------- + */ +BOOLEAN +STATIC +MemTWLPrepareLrdimm3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN OUT VOID *Wl + ) +{ + UINT8 Dimm; + UINT8 Value8; + UINT16 MrsAddress; + MEM_NB_BLOCK *NBPtr; + NBPtr = TechPtr->NBPtr; + MrsAddress = 0; + if (NBPtr->MCTPtr->Status[SbLrdimms]) { + for (Dimm = 0; Dimm < MAX_DIMMS_PER_CHANNEL; Dimm++) { + if (*(BOOLEAN *) Wl == TRUE) { + // Program WrLvOdt + NBPtr->SetBitField (NBPtr, BFWrLvOdt, NBPtr->ChannelPtr->PhyWLODT[Dimm]); + } + if ((NBPtr->ChannelPtr->LrDimmPresent & ((UINT8) 1 << Dimm)) != 0) { + if (Dimm == TechPtr->TargetDIMM) { + if (*(BOOLEAN *) Wl == TRUE) { + // + // Select the Target Chipselects + // + NBPtr->SetBitField (NBPtr, BFMrsChipSel, (Dimm << 1)); + NBPtr->SetBitField (NBPtr, BFCtrlWordCS, 3 << (Dimm << 1)); + + // Program F0RC12 to 1h + MemTSendMBCtlWord3 (TechPtr, F0, RC12, 0x01); + if (NBPtr->ChannelPtr->Dimms >= 2) { + // For two or more LRDIMMs per channel program the buffer RttNom to the + // corresponding specifed RttWr termination + Value8 = NBPtr->MemNGetDynDramTerm (NBPtr, Dimm << 2); + } else { + // Program RttNom as normal + Value8 = NBPtr->MemNGetDramTerm (NBPtr, Dimm << 2); + } + if ((Value8 & ((UINT8) 1 << 2)) != 0) { + MrsAddress |= ((UINT16) 1 << 9); + } + if ((Value8 & ((UINT8) 1 << 1)) != 0) { + MrsAddress |= ((UINT16) 1 << 6); + } + if ((Value8 & ((UINT8) 1 << 0)) != 0) { + MrsAddress |= ((UINT16) 1 << 2); + } + NBPtr->SetBitField (NBPtr, BFMrsAddress, MrsAddress); + } else { + // Program F0RC12 to 0h + MemTSendMBCtlWord3 (TechPtr, F0, RC12, 0x00); + } + } + } + } + return TRUE; + } else { + return FALSE; + } +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This send all MR commands to all physical ranks of an LRDIMM + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * @param[in] *CsPtr - Target Chip Select + * + * @return FALSE - The current channel does not have LRDIMM populated + * TRUE - The current channel has LRDIMM populated + */ + +BOOLEAN +STATIC +MemTSendAllMRCmdsLR3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN OUT VOID *CsPtr + ) +{ + UINT8 *SpdBufferPtr; + BOOLEAN Skip; + UINT8 Rank; + UINT8 PhyRank; + UINT8 ChipSel; + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + ChipSel = *((UINT8 *) CsPtr); + + if (NBPtr->MCTPtr->Status[SbLrdimms]) { + // + // LRDIMM: MR0, MR2, and MR3 can be broadcasted. + // MR1[Rtt_Nom] needs to be programmed differently per physical ranks. + // + // CS 0 1 2 3 4 5 6 7 + // MR[0,2,3] x x ? + // MR1 x x x x x x x x + // + // ? If 3 DIMMs/ch, need to send to CS4 since it is on the 3rd physical DIMM. + // + Skip = TRUE; + switch (ChipSel) { + case 0: + case 2: + Skip = FALSE; + break; + case 4: + if (GetMaxDimmsPerChannel (NBPtr->RefPtr->PlatformMemoryConfiguration, + NBPtr->MCTPtr->SocketId, + NBPtr->ChannelPtr->ChannelID) == 3) { + Skip = FALSE; + } + break; + } + + // Select target chip select + NBPtr->SetBitField (NBPtr, BFMrsChipSel, ChipSel); + + if (!Skip) { + // 13.Send EMRS(2) + MemTEMRS2Lr3 (TechPtr, ChipSel); + NBPtr->SetBitField (NBPtr, BFMrsAddressHi, 1); // Set Address bit 13 to broadcast + NBPtr->SendMrsCmd (NBPtr); + + // 14.Send EMRS(3). Ordinarily at this time, MrsAddress[2:0]=000b + MemTEMRS33 (TechPtr); + NBPtr->SetBitField (NBPtr, BFMrsAddressHi, 1); // Set Address bit 13 to broadcast + NBPtr->SendMrsCmd (NBPtr); + } + + // 15.Send EMRS(1). Send to each physical rank. + MemTGetDimmSpdBuffer3 (TechPtr, &SpdBufferPtr, ChipSel >> 1); + for (Rank = 0; Rank < NBPtr->ChannelPtr->LrDimmRankMult[ChipSel >> 1]; Rank++) { + PhyRank = (((ChipSel >> 1) & 2) | (ChipSel & 1)) + (Rank * NBPtr->ChannelPtr->LrDimmLogicalRanks[ChipSel >> 1]); + MemTEMRS1Lr3 (TechPtr, ChipSel, PhyRank); + // Set Address bit 14, 15, 16, or 17 to select physical rank according to the device size + NBPtr->SetBitField (NBPtr, BFMrsAddressHi, Rank << (SpdBufferPtr[SPD_DENSITY] & 0xF)); + NBPtr->SendMrsCmd (NBPtr); + } + + if (!Skip) { + // 16.Send MRS with MrsAddress[8]=1(reset the DLL) + MemTMRS3 (TechPtr); + NBPtr->SetBitField (NBPtr, BFMrsAddressHi, 1); // Set Address bit 13 to broadcast + NBPtr->SendMrsCmd (NBPtr); + } + + // If LRDIMM, return TRUE to skip sending regular MR commands. + return TRUE; + } + // If not LRDIMM, send regular MR commands. + return FALSE; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function calculates the EMRS1 value for an LRDIMM + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * @param[in] ChipSel - Chip select number + * @param[in] PhyRank - Physical rank number + */ + +VOID +STATIC +MemTEMRS1Lr3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN UINT8 ChipSel, + IN UINT8 PhyRank + ) +{ + UINT16 MrsAddress; + UINT8 Value8; + UINT8 *SpdBufferPtr; + UINT8 FreqDiffOffset; + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + + MemTGetDimmSpdBuffer3 (TechPtr, &SpdBufferPtr, ChipSel >> 1); + FreqDiffOffset = (UINT8) (SPD_FREQ_DIFF_OFFSET * (((NBPtr->DCTPtr->Timings.Speed / 133) - 3) / 2)); + + // BA2=0,BA1=0,BA0=1 + NBPtr->SetBitField (NBPtr, BFMrsBank, 1); + + MrsAddress = 0; + + // program MrsAddress[5,1]=output driver impedance control (DIC): 01b + MrsAddress |= ((UINT16) 1 << 1); + + // program MrsAddress[5,1]=output driver impedance control (DIC): + // DIC is read from SPD byte 77, 83, or 89 depending on DDR speed + Value8 = SpdBufferPtr[SPD_MR1_MR2_800_1066 + FreqDiffOffset] & 3; + if ((Value8 & ((UINT8) 1 << 1)) != 0) { + MrsAddress |= ((UINT16) 1 << 5); + } + if ((Value8 & ((UINT8) 1 << 0)) != 0) { + MrsAddress |= ((UINT16) 1 << 1); + } + + // program MrsAddress[9,6,2]=nominal termination resistance of ODT (RTT): + // RttNom is read from SPD byte 77, 83, or 89 depending on DDR speed + if (PhyRank <= 1) { + Value8 = (SpdBufferPtr[SPD_MR1_MR2_800_1066 + FreqDiffOffset] >> 2) & 7; + if ((Value8 & ((UINT8) 1 << 2)) != 0) { + MrsAddress |= ((UINT16) 1 << 9); + } + if ((Value8 & ((UINT8) 1 << 1)) != 0) { + MrsAddress |= ((UINT16) 1 << 6); + } + if ((Value8 & ((UINT8) 1 << 0)) != 0) { + MrsAddress |= ((UINT16) 1 << 2); + } + } + + NBPtr->SetBitField (NBPtr, BFMrsAddress, MrsAddress); +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function calculates the EMRS2 value for an LRDIMM + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * @param[in] ChipSel - Chip select number + */ + +VOID +STATIC +MemTEMRS2Lr3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN UINT8 ChipSel + ) +{ + UINT8 RttWr; + UINT8 *SpdBufferPtr; + UINT8 FreqDiffOffset; + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + + // Save default RttWr + RttWr = NBPtr->PsPtr->RttWr[ChipSel]; + + // Override RttWr with the value read from SPD byte 77, 83, or 89 depending on DDR speed + MemTGetDimmSpdBuffer3 (TechPtr, &SpdBufferPtr, ChipSel >> 1); + FreqDiffOffset = (UINT8) (SPD_FREQ_DIFF_OFFSET * (((NBPtr->DCTPtr->Timings.Speed / 133) - 3) / 2)); + NBPtr->PsPtr->RttWr[ChipSel] = SpdBufferPtr[SPD_MR1_MR2_800_1066 + FreqDiffOffset] >> 6; + + // Call EMRS2 calculation + MemTEMRS23 (TechPtr); + + // Restore RttWr + NBPtr->PsPtr->RttWr[ChipSel] = RttWr; +} + +/*----------------------------------------------------------------------------- + * + * + * This function to determine the Rank Multiplication to use for an LRDIMM + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * @param[in,out] *DimmID - Dimm ID + * + * @return TRUE - LRDIMM Support is installed and LRDIMMs are present + * ---------------------------------------------------------------------------- + */ +BOOLEAN +STATIC +MemTLrdimmRankMultiplication ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN OUT VOID *DimmID + ) +{ + BOOLEAN RetVal; + UINT8 *SpdBufferPtr; + UINT8 Dimm; + UINT8 NumDimmslots; + UINT8 DramCapacity; + UINT8 Ranks; + UINT8 Rows; + UINT8 RankMult; + MEM_NB_BLOCK *NBPtr; + CH_DEF_STRUCT *ChannelPtr; + + ASSERT (TechPtr != NULL); + ASSERT (DimmID != NULL); + + Dimm = *(UINT8*)DimmID; + ASSERT (Dimm < MAX_DIMMS_PER_CHANNEL); + + NBPtr = TechPtr->NBPtr; + ChannelPtr = NBPtr->ChannelPtr; + RetVal = FALSE; + RankMult = 0; + + if (!MemTGetDimmSpdBuffer3 (TechPtr, &SpdBufferPtr, Dimm)) { + ASSERT (FALSE); + } + + NumDimmslots = GetMaxDimmsPerChannel (NBPtr->RefPtr->PlatformMemoryConfiguration, + NBPtr->MCTPtr->SocketId, + ChannelPtr->ChannelID); + + if (NBPtr->MCTPtr->Status[SbLrdimms]) { + RetVal = TRUE; + // + // Determine LRDIMM Rank Multiplication + // + Ranks = ((SpdBufferPtr[SPD_RANKS] >> 3) & 0x07) + 1; + if (Ranks == 5) { + Ranks = 8; + } + DramCapacity = (SpdBufferPtr[SPD_DENSITY] & 0x0F); + Rows = 12 + (SpdBufferPtr[SPD_ROW_SZ] >> 3) & 0x7; + + if (Ranks < 4) { + RankMult = 1; + } else if (Ranks == 4) { + RankMult = (NumDimmslots < 3) ? 1 : 2; + } else if (Ranks == 8) { + RankMult = ((NumDimmslots < 3) && (DramCapacity < 4)) ? 2 : 4; + } + // + // Save Rank Information + // + ChannelPtr->LrDimmRankMult[Dimm] = RankMult; + ChannelPtr->LrDimmLogicalRanks[Dimm] = Ranks / RankMult; + NBPtr->PsPtr->LrdimmRowAddrBits[Dimm] = Rows + (RankMult >> 1); + // + // Program RankDef + // + NBPtr->SetBitField (NBPtr, BFRankDef0 + Dimm, (RankMult == 4) ? 3 : RankMult); + // + // If LrdimmRowAddressBits > 16, then we must be useing some CS signals for rank + // multiplication. If this is the case, then we want to clear the CSPresent bits + // that correspond to those chipselects. + // If there are 3 DIMMs per channel, then it will always be CS67, if there are + // 2DPCH, then DIMM0 will use CS45, adn DIMM1 will use CS67. + // + if (NBPtr->PsPtr->LrdimmRowAddrBits[Dimm] > 16) { + NBPtr->DCTPtr->Timings.CsPresent &= ~(0x30 << ((NumDimmslots > 2) ? 1 : Dimm) ); + } + } + + return RetVal; + +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function performs buffer to DRAM training for LRDIMMs + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * @param[in,out] OptParam - Optional parameter + * + * @return TRUE + */ + +BOOLEAN +STATIC +MemTLrdimmBuf2DramTrain3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN OUT VOID *OptParam + ) +{ + UINT8 Dct; + UINT8 Dimm; + UINT8 ChipSel; + UINT16 DimmMask; + UINT8 i; + MEM_DATA_STRUCT *MemPtr; + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + MemPtr = NBPtr->MemPtr; + + if (NBPtr->MCTPtr->Status[SbLrdimms]) { + IDS_HDT_CONSOLE (MEM_FLOW, "\nStart Buffer to DRAM training\n"); + + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + IDS_HDT_CONSOLE (MEM_STATUS, "\tDct %d\n", Dct); + NBPtr->SwitchDCT (NBPtr, Dct); + + // + // ODM needs to be set after Dram Init + // + if (NBPtr->StartupSpeed == NBPtr->DCTPtr->Timings.Speed) { + for (ChipSel = 1; ChipSel < MAX_CS_PER_CHANNEL; ChipSel += 2) { + if ((NBPtr->DCTPtr->Timings.CsPresent & ((UINT16)1 << ChipSel)) != 0) { + if ((NBPtr->DCTPtr->Timings.DimmMirrorPresent & (1 << (ChipSel >> 1))) != 0) { + NBPtr->SetBitField (NBPtr, BFCSBaseAddr0Reg + ChipSel, ((NBPtr->GetBitField (NBPtr, BFCSBaseAddr0Reg + ChipSel)) | ((UINT32)1 << BFOnDimmMirror ))); + } + } + } + } + + // + // Buffer to DRAM training + // + for (Dimm = 0; Dimm < MAX_DIMMS_PER_CHANNEL; Dimm++) { + DimmMask = (UINT16)1 << Dimm; + if ((NBPtr->ChannelPtr->LrDimmPresent & DimmMask) != 0) { + IDS_HDT_CONSOLE (MEM_STATUS, "\t\nDimm %d\n", Dimm); + // Select the Target Chipselects + NBPtr->SetBitField (NBPtr, BFMrsChipSel, (Dimm << 1)); + NBPtr->SetBitField (NBPtr, BFCtrlWordCS, 3 << (Dimm << 1)); + + // Send F0RC12 with data = 0010b. + MemTSendMBCtlWord3 (TechPtr, F0, RC12, 2); + + // Wait until D18F2xA0_dct[1:0][RcvParErr]=0 or tCAL * the number of physical ranks expires. + IDS_HDT_CONSOLE (MEM_FLOW, "\t\tWaiting %d ms...\n", 10 * NBPtr->ChannelPtr->LrDimmRankMult[Dimm]); + for (i = 0; i < (NBPtr->ChannelPtr->LrdimmPhysicalRanks[Dimm] * 10); i++) { + MemUWait10ns (1000000, MemPtr); + } + + // Configure for normal operation: Send F0RC12 with data = 0000b. + MemTSendMBCtlWord3 (TechPtr, F0, RC12, 0); + } + } + } + IDS_HDT_CONSOLE (MEM_FLOW, "\nEnd Buffer to DRAM training\n"); + } + return TRUE; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function copies trained delays of the first rank of a QR LRDIMM to the third rank + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * @param[in,out] OptParam - Optional parameter + * + * @return TRUE + */ + +BOOLEAN +STATIC +MemTLrdimmSyncTrainedDlys ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN OUT VOID *OptParam + ) +{ + UINT8 i; + UINT8 Dimm; + MEM_NB_BLOCK *NBPtr; + CH_DEF_STRUCT *ChannelPtr; + + NBPtr = TechPtr->NBPtr; + ChannelPtr = NBPtr->ChannelPtr; + + if (NBPtr->MCTPtr->Status[SbLrdimms]) { + for (Dimm = 0; Dimm < MAX_DIMMS_PER_CHANNEL; Dimm++) { + for (i = 0; i < TechPtr->DlyTableWidth (); i++) { + if (ChannelPtr->LrDimmLogicalRanks[Dimm] > 2) { + // If logical QR LRDIMM, copy trained delays from first rank to third rank + NBPtr->SetTrainDly (NBPtr, AccessWrDqsDly, DIMM_BYTE_ACCESS (Dimm + 2, i), + ChannelPtr->WrDqsDlys[Dimm * TechPtr->DlyTableWidth () + i]); + NBPtr->SetTrainDly (NBPtr, AccessRcvEnDly, DIMM_BYTE_ACCESS (Dimm + 2, i), + ChannelPtr->RcvEnDlys[Dimm * TechPtr->DlyTableWidth () + i]); + NBPtr->SetTrainDly (NBPtr, AccessRdDqsDly, DIMM_BYTE_ACCESS (Dimm + 2, i), + ChannelPtr->RdDqsDlys[Dimm * TechPtr->DlyTableWidth () + i]); + NBPtr->SetTrainDly (NBPtr, AccessWrDqsDly, DIMM_BYTE_ACCESS (Dimm + 2, i), + ChannelPtr->WrDatDlys[Dimm * TechPtr->DlyTableWidth () + i]); + } + } + } + return TRUE; + } else { + return FALSE; + } +} + |