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Diffstat (limited to 'src/vendorcode/amd/agesa/Proc/Mem/Tech/DDR3/mtspd3.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/Proc/Mem/Tech/DDR3/mtspd3.c | 1153 |
1 files changed, 1153 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/Proc/Mem/Tech/DDR3/mtspd3.c b/src/vendorcode/amd/agesa/Proc/Mem/Tech/DDR3/mtspd3.c new file mode 100644 index 0000000000..c2f93724f8 --- /dev/null +++ b/src/vendorcode/amd/agesa/Proc/Mem/Tech/DDR3/mtspd3.c @@ -0,0 +1,1153 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * mtspd3.c + * + * Technology SPD supporting functions for DDR3 + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/Tech/DDR3) + * @e \$Revision: 36054 $ @e \$Date: 2010-08-10 05:26:12 +0800 (Tue, 10 Aug 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 "AdvancedApi.h" +#include "Ids.h" +#include "mport.h" +#include "mm.h" +#include "mn.h" +#include "mt.h" +#include "mt3.h" +#include "mu.h" +#include "mtspd3.h" +#include "mftds.h" +#include "GeneralServices.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_MEM_TECH_DDR3_MTSPD3_FILECODE + +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ +BOOLEAN +STATIC +MemTCRCCheck3 ( + IN OUT UINT8 *SPDPtr + ); + +UINT8 +STATIC +MemTSPDGetTCL3 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ); + +BOOLEAN +STATIC +MemTCheckBankAddr3 ( + IN UINT8 Encode, + OUT UINT8 *Index + ); + +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +extern BUILD_OPT_CFG UserOptions; + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function sets the DRAM mode + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + * @return TRUE - indicates that the DRAM mode is set to DDR3 + */ + +BOOLEAN +MemTSetDramMode3 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + TechPtr->NBPtr->SetBitField (TechPtr->NBPtr, BFLegacyBiosMode, 0); + TechPtr->NBPtr->SetBitField (TechPtr->NBPtr, BFDdr3Mode, 1); + return TRUE; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function determines if DIMMs are present. It checks checksum and interrogates the SPDs + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + * @return TRUE - indicates that a FATAL error has not occurred + * @return FALSE - indicates that a FATAL error has occurred + */ + +BOOLEAN +MemTDIMMPresence3 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + UINT8 Dct; + UINT8 Channel; + UINT8 i; + MEM_PARAMETER_STRUCT *RefPtr; + UINT8 *SpdBufferPtr; + DIE_STRUCT *MCTPtr; + DCT_STRUCT *DCTPtr; + CH_DEF_STRUCT *ChannelPtr; + MEM_NB_BLOCK *NBPtr; + BOOLEAN SPDCtrl; + UINT8 Devwidth; + UINT8 MaxDimms; + UINT8 Value8; + UINT16 DimmMask; + + NBPtr = TechPtr->NBPtr; + RefPtr = NBPtr->RefPtr; + MCTPtr = NBPtr->MCTPtr; + + SPDCtrl = UserOptions.CfgIgnoreSpdChecksum; + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + NBPtr->SwitchDCT (NBPtr, Dct); + DCTPtr = NBPtr->DCTPtr; + for (Channel = 0; Channel < NBPtr->ChannelCount; Channel++) { + NBPtr->SwitchChannel (NBPtr, Channel); + ChannelPtr = NBPtr->ChannelPtr; + ChannelPtr->DimmQrPresent = 0; + // + // Get the maximum number of DIMMs + // + MaxDimms = MAX_DIMMS_PER_CHANNEL; + for (i = 0; i < MaxDimms; i++) { + // Bitmask representing dimm #i. + DimmMask = (UINT16)1 << i; + // + if (MemTGetDimmSpdBuffer3 (TechPtr, &SpdBufferPtr, i)) { + MCTPtr->DimmPresent |= DimmMask; + // + // Check for valid checksum value + // + AGESA_TESTPOINT (TpProcMemSPDChecking, &(NBPtr->MemPtr->StdHeader)); + if (SpdBufferPtr[SPD_TYPE] == JED_DDR3SDRAM) { + ChannelPtr->ChDimmValid |= DimmMask; + MCTPtr->DimmValid |= DimmMask; + } else { + // Current socket is set up to only support DDR3 dimms. + IDS_ERROR_TRAP; + } + if (!MemTCRCCheck3 (SpdBufferPtr) && !SPDCtrl) { + // + // NV_SPDCHK_RESTRT is set to 0, + // cannot ignore faulty SPD checksum + // + // Indicate checksum error + ChannelPtr->DimmSpdCse |= DimmMask; + PutEventLog (AGESA_ERROR, MEM_ERROR_CHECKSUM_NV_SPDCHK_RESTRT_ERROR, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + SetMemError (AGESA_ERROR, MCTPtr); + } + // + // Check module type information. + // + if (SpdBufferPtr[SPD_DIMM_TYPE] == JED_LRDIMM) { + // + // LRDIMMS + // + ChannelPtr->LrDimmPresent |= DimmMask; + MCTPtr->LrDimmPresent |= DimmMask; + if (!UserOptions.CfgMemoryLRDimmCapable) { + PutEventLog (AGESA_WARNING, MEM_WARNING_UNSUPPORTED_LRDIMM, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + IDS_ERROR_TRAP; + } + } + if (SpdBufferPtr[SPD_DIMM_TYPE] == JED_RDIMM || SpdBufferPtr[SPD_DIMM_TYPE] == JED_MINIRDIMM) { + // + // RDIMMS + // + ChannelPtr->RegDimmPresent |= DimmMask; + MCTPtr->RegDimmPresent |= DimmMask; + if (!UserOptions.CfgMemoryRDimmCapable) { + PutEventLog (AGESA_WARNING, MEM_WARNING_UNSUPPORTED_RDIMM, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + IDS_ERROR_TRAP; + } + } + if ((SpdBufferPtr[SPD_DIMM_TYPE] == JED_UDIMM) && !UserOptions.CfgMemoryUDimmCapable) { + PutEventLog (AGESA_WARNING, MEM_WARNING_UNSUPPORTED_UDIMM, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + IDS_ERROR_TRAP; + } + if (SpdBufferPtr[SPD_DIMM_TYPE] == JED_SODIMM) { + ChannelPtr->SODimmPresent |= DimmMask; + if (!UserOptions.CfgMemorySODimmCapable) { + PutEventLog (AGESA_WARNING, MEM_WARNING_UNSUPPORTED_SODIMM, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + IDS_ERROR_TRAP; + } + } + // + // Check error correction type + // + if ((SpdBufferPtr[SPD_ECCBITS] & JED_ECC) != 0) { + MCTPtr->DimmEccPresent |= DimmMask; // Dimm has ECC + } + // + // Get the Dimm width data + // + Devwidth = SpdBufferPtr[SPD_DEV_WIDTH] & 0x7; + switch (Devwidth) { + case 0: + ChannelPtr->Dimmx4Present |= DimmMask; + Devwidth = 4; + break; + case 1: + ChannelPtr->Dimmx8Present |= DimmMask; + Devwidth = 8; + break; + case 2: + ChannelPtr->Dimmx16Present |= DimmMask; + Devwidth = 16; + break; + default: + IDS_ERROR_TRAP; + } + // + // Check for 'analysis probe installed' + // if (SpdBufferPtr[SPD_ATTRIB] & JED_PROBE_MSK) + // + // Determine the geometry of the DIMM module + // if (SpdBufferPtr[SPD_DM_BANKS] & SP_DPL_BIT) + // + // specify the number of ranks + // + Value8 = ((SpdBufferPtr[SPD_RANKS] >> 3) & 0x07) + 1; + if (Value8 == 5) { + // Octal Rank + Value8 = 8; + } + // + // For LRDIMMS we will assume that if there are at least 4 Physical ranks, then it Could be used + // as a QR RDIMM with a rank Mux of x1 and therefore all four CS will be used. So an 8R LRDIMM will + // be marked as a QR even if Rank multiplication allows it to use only 2 logical ranks. + // + if (ChannelPtr->LrDimmPresent |= DimmMask) { + // + // LRDIMM Physical Ranks + // + ChannelPtr->LrdimmPhysicalRanks[i] = Value8; + } + if (Value8 > 2) { + if (!UserOptions.CfgMemoryQuadRankCapable) { + PutEventLog (AGESA_WARNING, MEM_WARNING_UNSUPPORTED_QRDIMM, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + } + // + // Mark this Dimm as Quad Rank + // + ChannelPtr->DimmQrPresent |= DimmMask; + Value8 = 2; + } else if (Value8 == 2) { + ChannelPtr->DimmDrPresent |= DimmMask; // Dual rank dimms + } else { + ChannelPtr->DimmSRPresent |= DimmMask; // Single rank dimms + } + // + // Calculate bus loading per Channel + if (Devwidth == 16) { + Devwidth = 4; + } else if (Devwidth == 4) { + Devwidth = 16; + } + // + // Double Addr bus load value for dual rank DIMMs (Unless LRDIMM) + // + if ( ((ChannelPtr->LrDimmPresent |= DimmMask) == 0) && (Value8 == 2) ) { + Devwidth = Devwidth << 1; + } + // + ChannelPtr->Ranks = ChannelPtr->Ranks + Value8; + ChannelPtr->Loads = ChannelPtr->Loads + Devwidth; + if ((i < 2) || ((ChannelPtr->DimmQrPresent & DimmMask) == 0)) { + ChannelPtr->Dimms++; + } + // + // Check address mirror support for Unbuffered Dimms or LRDimms + // + if ((ChannelPtr->RegDimmPresent & DimmMask) == 0) { + if ((SpdBufferPtr[SPD_ADDRMAP] & 1) != 0) { + ChannelPtr->DimmMirrorPresent |= DimmMask; + } + } + // + // Get byte62: Reference Raw Card information + // + ChannelPtr->RefRawCard[i] = SpdBufferPtr[SPD_RAWCARD] & 0x1F; + // + // Get control word values for RC3, RC4 and RC5 + // + ChannelPtr->CtrlWrd03[i] = SpdBufferPtr[SPD_CTLWRD03] >> 4; + ChannelPtr->CtrlWrd04[i] = SpdBufferPtr[SPD_CTLWRD04] & 0x0F; + ChannelPtr->CtrlWrd05[i] = SpdBufferPtr[SPD_CTLWRD05] >> 4; + // + // Temporarily store info. of SPD byte 63 into CtrlWrd02(s), + // and they will be used late to calculate real RC2 and RC8 value + // + ChannelPtr->CtrlWrd02[i] = SpdBufferPtr[SPD_ADDRMAP] & 0x03; + // + // Copy the number of registers to the Ps Block to persist across frequency changes + // + NBPtr->PsPtr->NumOfReg[i] = SpdBufferPtr[SPD_ADDRMAP] & 0x03; + // + } // if DIMM present + } // Dimm loop + + if (Channel == 0) { + DCTPtr->Timings.DctDimmValid = ChannelPtr->ChDimmValid; + DCTPtr->Timings.DimmMirrorPresent = ChannelPtr->DimmMirrorPresent; + DCTPtr->Timings.DimmSpdCse = ChannelPtr->DimmSpdCse; + DCTPtr->Timings.DimmQrPresent = ChannelPtr->DimmQrPresent; + DCTPtr->Timings.DimmDrPresent = ChannelPtr->DimmDrPresent; + DCTPtr->Timings.DimmSRPresent = ChannelPtr->DimmSRPresent; + DCTPtr->Timings.Dimmx4Present = ChannelPtr->Dimmx4Present; + DCTPtr->Timings.Dimmx8Present = ChannelPtr->Dimmx8Present; + DCTPtr->Timings.Dimmx16Present = ChannelPtr->Dimmx16Present; + } + if ((Channel != 1) || (Dct != 1)) { + MCTPtr->DimmPresent <<= 8; + MCTPtr->DimmValid <<= 8; + MCTPtr->RegDimmPresent <<= 8; + MCTPtr->LrDimmPresent <<= 8; + MCTPtr->DimmEccPresent <<= 8; + MCTPtr->DimmParPresent <<= 8; + } + } // Channel loop + } // DCT loop + + // If we have DIMMs, some further general characteristics checking + if (MCTPtr->DimmValid != 0) { + // If there are registered dimms, all the dimms must be registered + if (MCTPtr->RegDimmPresent == MCTPtr->DimmValid) { + // All dimms registered + MCTPtr->Status[SbRegistered] = TRUE; + MCTPtr->Status[SbParDimms] = TRUE; // All DDR3 RDIMMs are parity capable + TechPtr->SetDqsEccTmgs = MemTSetDQSEccTmgsRDdr3; // Change the function pointer for DQS ECC timing + } else if (MCTPtr->RegDimmPresent != 0) { + // We have an illegal DIMM mismatch + PutEventLog (AGESA_FATAL, MEM_ERROR_MODULE_TYPE_MISMATCH_DIMM, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + SetMemError (AGESA_FATAL, MCTPtr); + } + // If there are LrDimms, all the dimms must be LrDimms + if (MCTPtr->LrDimmPresent == MCTPtr->DimmValid) { + // All dimms LRDIMMs + MCTPtr->Status[SbLrdimms] = TRUE; + } else if (MCTPtr->LrDimmPresent != 0) { + // We have an illegal DIMM mismatch + PutEventLog (AGESA_FATAL, MEM_ERROR_MODULE_TYPE_MISMATCH_DIMM, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + SetMemError (AGESA_FATAL, MCTPtr); + } + + // check the ECC capability of the DIMMs + if (MCTPtr->DimmEccPresent == MCTPtr->DimmValid) { + MCTPtr->Status[SbEccDimms] = TRUE; // All dimms ECC capable + } + } else { + } + + NBPtr->SwitchDCT (NBPtr, 0); + NBPtr->SwitchChannel (NBPtr, 0); + return (BOOLEAN) (MCTPtr->ErrCode < AGESA_FATAL); +} + + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function finds the maximum frequency that each channel is capable to run at. + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + * @return TRUE - indicates that a FATAL error has not occurred + * @return FALSE - indicates that a FATAL error has occurred + */ + +BOOLEAN +MemTSPDGetTargetSpeed3 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + UINT8 *SpdBufferPtr; + UINT8 Dimm; + UINT8 Dct; + UINT8 Channel; + INT32 MTB_ps; + INT32 FTB_ps; + INT32 TCKmin_ps; + INT32 Value32; + MEM_NB_BLOCK *NBPtr; + DCT_STRUCT *DCTPtr; + CH_DEF_STRUCT *ChannelPtr; + + NBPtr = TechPtr->NBPtr; + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + NBPtr->SwitchDCT (NBPtr, Dct); + DCTPtr = NBPtr->DCTPtr; + TCKmin_ps = 0; + for (Channel = 0; Channel < NBPtr->ChannelCount; Channel++) { + NBPtr->SwitchChannel (NBPtr, Channel); + ChannelPtr = NBPtr->ChannelPtr; + for (Dimm = 0; Dimm < MAX_DIMMS_PER_CHANNEL; Dimm++) { + if ((ChannelPtr->ChDimmValid & ((UINT8)1 << Dimm)) != 0) { + MemTGetDimmSpdBuffer3 (TechPtr, &SpdBufferPtr, Dimm); + + // Determine tCKmin(all) which is the largest tCKmin + // value for all modules on the memory Channel (SPD byte 12). + // + MTB_ps = ((INT32) SpdBufferPtr[SPD_DIVIDENT] * 1000) / SpdBufferPtr[SPD_DIVISOR]; + FTB_ps = (SpdBufferPtr[SPD_FTB] >> 4) / (SpdBufferPtr[SPD_FTB] & 0xF); + Value32 = (MTB_ps * SpdBufferPtr[SPD_TCK]) + (FTB_ps * (INT8) SpdBufferPtr[SPD_TCK_FTB]) ; + if (TCKmin_ps < Value32) { + TCKmin_ps = Value32; + } + } + } + } + if (TCKmin_ps <= 1071) { + DCTPtr->Timings.TargetSpeed = DDR1866_FREQUENCY; + } else if (TCKmin_ps <= 1250) { + DCTPtr->Timings.TargetSpeed = DDR1600_FREQUENCY; + } else if (TCKmin_ps <= 1500) { + DCTPtr->Timings.TargetSpeed = DDR1333_FREQUENCY; + } else if (TCKmin_ps <= 1875) { + DCTPtr->Timings.TargetSpeed = DDR1066_FREQUENCY; + } else if (TCKmin_ps <= 2500) { + DCTPtr->Timings.TargetSpeed = DDR800_FREQUENCY; + } else { + DCTPtr->Timings.TargetSpeed = DDR667_FREQUENCY; + } + } + + // Ensure the target speed can be applied to all channels of the current node + NBPtr->SyncTargetSpeed (NBPtr); + + // Set the start-up frequency + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + NBPtr->SwitchDCT (NBPtr, Dct); + NBPtr->DCTPtr->Timings.Speed = TechPtr->NBPtr->StartupSpeed; + } + return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL); +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function check the symmetry of DIMM pairs (DIMM on Channel A matching with + * DIMM on Channel B), the overall DIMM population, and determine the width mode: + * 64-bit, 64-bit muxed, 128-bit. + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + * @return TRUE - indicates that a FATAL error has not occurred + * @return FALSE - indicates that a FATAL error has occurred + */ + +BOOLEAN +MemTSPDCalcWidth3 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + UINT8 *SpdBufferAPtr; + UINT8 *SpdBufferBPtr; + MEM_NB_BLOCK *NBPtr; + DIE_STRUCT *MCTPtr; + DCT_STRUCT *DCTPtr; + UINT8 i; + UINT16 DimmMask; + UINT8 UngangMode; + + NBPtr = TechPtr->NBPtr; + MCTPtr = NBPtr->MCTPtr; + DCTPtr = NBPtr->DCTPtr; + UngangMode = UserOptions.CfgMemoryModeUnganged; + // Does not support ganged mode for DDR3 dimms + ASSERT (UngangMode); + IDS_OPTION_HOOK (IDS_GANGING_MODE, &UngangMode, &(NBPtr->MemPtr->StdHeader)); + + // Check symmetry of channel A and channel B dimms for 128-bit mode + // capability. + // + AGESA_TESTPOINT (TpProcMemModeChecking, &(NBPtr->MemPtr->StdHeader)); + i = 0; + if (!UngangMode) { + if (MCTPtr->DctData[0].Timings.DctDimmValid == MCTPtr->DctData[1].Timings.DctDimmValid) { + for (; i < MAX_DIMMS_PER_CHANNEL; i++) { + DimmMask = (UINT16)1 << i; + if ((DCTPtr->Timings.DctDimmValid & DimmMask) != 0) { + NBPtr->SwitchDCT (NBPtr, 0); + MemTGetDimmSpdBuffer3 (TechPtr, &SpdBufferAPtr, i); + NBPtr->SwitchDCT (NBPtr, 1); + MemTGetDimmSpdBuffer3 (TechPtr, &SpdBufferBPtr, i); + // compare rows and columns + if ((SpdBufferAPtr[SPD_ROW_SZ]&0x3F) != (SpdBufferBPtr[SPD_ROW_SZ]&0x3F)) { + break; + } + if ((SpdBufferAPtr[SPD_DENSITY]&0x0F) != (SpdBufferBPtr[SPD_DENSITY]&0x0F)) { + break; + } + // compare ranks and devwidth + if ((SpdBufferAPtr[SPD_DEV_WIDTH]&0x7F) != (SpdBufferBPtr[SPD_DEV_WIDTH]&0x7F)) { + break; + } + } + } + } + if (i < MAX_DIMMS_PER_CHANNEL) { + PutEventLog (AGESA_ALERT, MEM_ALERT_ORG_MISMATCH_DIMM, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + SetMemError (AGESA_ALERT, MCTPtr); + } else { + NBPtr->Ganged = TRUE; + MCTPtr->GangedMode = TRUE; + MCTPtr->Status[Sb128bitmode] = TRUE; + NBPtr->SetBitField (NBPtr, BFDctGangEn, 1); + } + } + + return (BOOLEAN) (MCTPtr->ErrCode < AGESA_FATAL); +} + + +/* -----------------------------------------------------------------------------*/ +/** + * + * Initialize DCT Timing registers as per DIMM SPD. + * For primary timing (T, CL) use best case T value. + * For secondary timing params., use most aggressive settings + * of slowest DIMM. + * + * Note: + * There are three components to determining "maximum frequency": SPD component, + * Bus load component, and "Preset" max frequency component. + * The SPD component is a function of the min cycle time specified by each DIMM, + * and the interaction of cycle times from all DIMMs in conjunction with CAS + * latency. The SPD component only applies when user timing mode is 'Auto'. + * + * The Bus load component is a limiting factor determined by electrical + * characteristics on the bus as a result of varying number of device loads. The + * Bus load component is specific to each platform but may also be a function of + * other factors. The bus load component only applies when user timing mode is + * ' Auto'. + * + * The Preset component is subdivided into three items and is the minimum of + * the set: Silicon revision, user limit setting when user timing mode is 'Auto' and + * memclock mode is 'Limit', OEM build specification of the maximum frequency. + * The Preset component only applies when user timing mode is 'Auto'. + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + * @return TRUE - indicates that a FATAL error has not occurred + * @return FALSE - indicates that a FATAL error has occurred + */ + +BOOLEAN +MemTAutoCycTiming3 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + CONST UINT8 SpdIndexes[] = { + SPD_TRCD, + SPD_TRP, + SPD_TRTP, + SPD_TRAS, + SPD_TRC, + SPD_TWR, + SPD_TRRD, + SPD_TWTR, + SPD_TFAW + }; + + CONST UINT8 SpdFTBIndexes[] = { + SPD_TRCD_FTB, + SPD_TRP_FTB, + 0, + 0, + SPD_TRC_FTB, + 0, + 0, + 0, + 0 + }; + + UINT8 *SpdBufferPtr; + INT32 MiniMaxTmg[GET_SIZE_OF (SpdIndexes)]; + UINT8 MiniMaxTrfc[4]; + + DIE_STRUCT *MCTPtr; + DCT_STRUCT *DCTPtr; + MEM_NB_BLOCK *NBPtr; + UINT16 DimmMask; + INT32 Value32; + INT32 MTB_ps; + INT32 FTB_ps; + INT32 TCK_ps; + UINT8 i; + UINT8 j; + UINT8 Value8; + UINT8 *StatTmgPtr; + UINT16 *StatDimmTmgPtr; + + NBPtr = TechPtr->NBPtr; + MCTPtr = NBPtr->MCTPtr; + DCTPtr = NBPtr->DCTPtr; + // initialize mini-max arrays + for (j = 0; j < GET_SIZE_OF (MiniMaxTmg); j++) { + MiniMaxTmg[j] = 0; + } + for (j = 0; j < GET_SIZE_OF (MiniMaxTrfc); j++) { + MiniMaxTrfc[j] = 0; + } + + // ====================================================================== + // Get primary timing (CAS Latency and Cycle Time) + // ====================================================================== + // Get OEM specific load variant max + // + + //====================================================================== + // Gather all DIMM mini-max values for cycle timing data + //====================================================================== + // + DimmMask = 1; + for (i = 0; i < (MAX_CS_PER_CHANNEL / 2); i++) { + if ((DCTPtr->Timings.DctDimmValid & DimmMask) != 0) { + MemTGetDimmSpdBuffer3 (TechPtr, &SpdBufferPtr, i); + MTB_ps = ((INT32) SpdBufferPtr[SPD_DIVIDENT] * 1000) / SpdBufferPtr[SPD_DIVISOR]; + FTB_ps = (SpdBufferPtr[SPD_FTB] >> 4) / (SpdBufferPtr[SPD_FTB] & 0xF); + + for (j = 0; j < GET_SIZE_OF (SpdIndexes); j++) { + Value32 = (UINT16)SpdBufferPtr[SpdIndexes[j]]; + if (SpdIndexes[j] == SPD_TRC) { + Value32 |= ((UINT16)SpdBufferPtr[SPD_UPPER_TRC] & 0xF0) << 4; + } else if (SpdIndexes[j] == SPD_TRAS) { + Value32 |= ((UINT16)SpdBufferPtr[SPD_UPPER_TRAS] & 0x0F) << 8; + } else if (SpdIndexes[j] == SPD_TFAW) { + Value32 |= ((UINT16)SpdBufferPtr[SPD_UPPER_TFAW] & 0x0F) << 8; + } + + Value32 *= MTB_ps; + if (SpdFTBIndexes[j] != 0) { + Value32 += (FTB_ps * (INT8) SpdBufferPtr[SpdFTBIndexes[j]]) ; + } + if (MiniMaxTmg[j] < Value32) { + MiniMaxTmg[j] = Value32; + } + } + + // get Trfc0 - Trfc3 values + Value8 = SpdBufferPtr[SPD_DENSITY] & 0x0F; + if (MiniMaxTrfc[i] < Value8) { + MiniMaxTrfc[i] = Value8; + } + } + DimmMask <<= 1; + } + + // ====================================================================== + // Convert DRAM CycleTiming values and store into DCT structure + // ====================================================================== + // + TCK_ps = 1000500 / DCTPtr->Timings.Speed; + + StatDimmTmgPtr = &DCTPtr->Timings.DIMMTrcd; + StatTmgPtr = &DCTPtr->Timings.Trcd; + for (j = 0; j < GET_SIZE_OF (SpdIndexes); j++) { + Value32 = MiniMaxTmg[j]; + + MiniMaxTmg[j] = (MiniMaxTmg[j] + TCK_ps - 1) / TCK_ps; + + StatDimmTmgPtr[j] = (UINT16) (Value32 / (1000 / 40)); + StatTmgPtr[j] = (UINT8) MiniMaxTmg[j]; + } + DCTPtr->Timings.Trfc0 = MiniMaxTrfc[0]; + DCTPtr->Timings.Trfc1 = MiniMaxTrfc[1]; + DCTPtr->Timings.Trfc2 = MiniMaxTrfc[2]; + DCTPtr->Timings.Trfc3 = MiniMaxTrfc[3]; + + DCTPtr->Timings.CasL = MemTSPDGetTCL3 (TechPtr); + + //====================================================================== + // Program DRAM Timing values + //====================================================================== + // + NBPtr->ProgramCycTimings (NBPtr); + + MemFInitTableDrive (NBPtr, MTAfterAutoCycTiming); + + return (BOOLEAN) (MCTPtr->ErrCode < AGESA_FATAL); +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function sets the bank addressing, program Mask values and build a chip-select population map. + * This routine programs PCI 0:24N:2x80 config register. + * This routine programs PCI 0:24N:2x60,64,68,6C config registers (CS Mask 0-3) + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + * @return TRUE - indicates that a FATAL error has not occurred + * @return FALSE - indicates that a FATAL error has occurred + */ + +BOOLEAN +MemTSPDSetBanks3 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + UINT8 *SpdBufferPtr; + UINT8 i; + UINT8 ChipSel; + UINT8 DimmID; + UINT8 Value8; + UINT8 Rows; + UINT8 Cols; + UINT8 Ranks; + UINT8 Banks; + UINT32 BankAddrReg; + UINT32 CsMask; + UINT16 CSSpdCSE; + UINT16 CSExclude; + UINT16 DimmQRDR; + DIE_STRUCT *MCTPtr; + DCT_STRUCT *DCTPtr; + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + MCTPtr = NBPtr->MCTPtr; + DCTPtr = NBPtr->DCTPtr; + BankAddrReg = 0; + CSSpdCSE = 0; + CSExclude = 0; + + for (ChipSel = 0; ChipSel < MAX_CS_PER_CHANNEL; ChipSel += 2) { + DimmID = ChipSel >> 1; + + DimmQRDR = (DCTPtr->Timings.DimmQrPresent) | (DCTPtr->Timings.DimmDrPresent); + if ((DCTPtr->Timings.DimmSpdCse & ((UINT16) 1 << DimmID)) != 0) { + CSSpdCSE |= (UINT16) ((DimmQRDR & (UINT16) 1 << DimmID) ? 3 : 1) << ChipSel; + } + if ((DCTPtr->Timings.DimmExclude & ((UINT16) 1 << DimmID)) != 0) { + CSExclude |= (UINT16) ((DimmQRDR & (UINT16) 1 << DimmID) ? 3: 1) << ChipSel; + } + + if ((DCTPtr->Timings.DctDimmValid & ((UINT16)1 << DimmID)) != 0) { + MemTGetDimmSpdBuffer3 (TechPtr, &SpdBufferPtr, DimmID); + + // Get the basic data + Rows = (SpdBufferPtr[SPD_ROW_SZ] >> 3) & 0x7; + Cols = SpdBufferPtr[SPD_COL_SZ] & 0x7; + Banks = (SpdBufferPtr[SPD_L_BANKS] >> 4) & 0x7; + Ranks = ((SpdBufferPtr[SPD_RANKS] >> 3) & 0x07) + 1; + if (Ranks == 5) { + Ranks = 8; + } + + // + // Configure the bank encoding + // Use a 6-bit key into a lookup table. + // Key (index) = RRRBCC, where CC is the number of Columns minus 9, + // RRR is the number of Rows minus 12, and B is the number of banks + // minus 3. + // + Value8 = Cols; + Value8 |= (Banks == 1) ? 4 : 0; + Value8 |= Rows << 3; + + if (MemTCheckBankAddr3 (Value8, &i)) { + BankAddrReg |= ((UINT32)i << (ChipSel << 1)); + + // Mask value=(2pow(rows+cols+banks+3)-1)>>8, + // or 2pow(rows+cols+banks-5)-1 + // + Value8 = (Rows + 12) + (Cols + 9) + (Banks + 3) + 3 - 8; + if (MCTPtr->Status[Sb128bitmode]) { + Value8++; + } + + DCTPtr->Timings.CsPresent |= (UINT16)1 << ChipSel; + + if (Ranks >= 2) { + DCTPtr->Timings.CsPresent |= (UINT16)1 << (ChipSel + 1); + } + // + // Determine LRDIMM Rank Multiplication + // + if (TechPtr->TechnologySpecificHook[LrdimmRankMultiplication] (TechPtr, &DimmID)) { + // + // Increase the CS Size by the rank multiplication factor + // + Value8 += ((NBPtr->ChannelPtr->LrDimmRankMult[DimmID]) >> 1); + } + + CsMask = ((UINT32)1 << Value8) - 1; + // Update the DRAM CS Mask for this chipselect + NBPtr->SetBitField (NBPtr, BFCSMask0Reg + (ChipSel >> 1), (CsMask & 0x1FF83FE0)); + } else { + // Dimm is not supported, as no address mapping is found. + DCTPtr->Timings.CsPresent |= (UINT16)1 << ChipSel; + DCTPtr->Timings.CsTestFail |= (UINT16)1 << ChipSel; + if (Ranks >= 2) { + DCTPtr->Timings.CsPresent |= (UINT16)1 << (ChipSel + 1); + DCTPtr->Timings.CsTestFail |= (UINT16)1 << (ChipSel + 1); + } + PutEventLog (AGESA_ERROR, MEM_ERROR_NO_ADDRESS_MAPPING, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, DimmID, &NBPtr->MemPtr->StdHeader); + SetMemError (AGESA_ERROR, MCTPtr); + } + } + } + // For ranks that need to be excluded, the loading of this rank should be considered + // in timing, so need to set CsPresent before setting CsTestFail + if ((CSSpdCSE != 0) || (CSExclude != 0)) { + NBPtr->MemPtr->ErrorHandling (MCTPtr, NBPtr->Dct, (CSSpdCSE | CSExclude), &NBPtr->MemPtr->StdHeader); + } + + // If there are no chip selects, we have an error situation. + if (DCTPtr->Timings.CsPresent == 0) { + PutEventLog (AGESA_ERROR, MEM_ERROR_NO_CHIPSELECT, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + SetMemError (AGESA_ERROR, MCTPtr); + } + + NBPtr->SetBitField (NBPtr, BFDramBankAddrReg, BankAddrReg); + + return (BOOLEAN) (MCTPtr->ErrCode < AGESA_FATAL); +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function returns the low bit that will be swapped to enable CS interleaving + * + * @param[in] BankEnc - AddrMap Bank encoding from F2x80 + * @param[in] *LowBit - pointer to low bit + * @param[in] *HiBit - pointer hight bit + * + */ + +VOID +MemTGetCSIntLvAddr3 ( + IN UINT8 BankEnc, + OUT UINT8 *LowBit, + OUT UINT8 *HiBit + ) +{ + CONST UINT8 ArrCodesLo[] = {0, 8, 8, 0, 0, 8, 9, 8, 9, 9, 8, 9}; + CONST UINT8 ArrCodesHi[] = {0, 20, 21, 0, 0, 22, 22, 23, 23, 24, 24, 25}; + ASSERT (BankEnc < GET_SIZE_OF (ArrCodesLo)); + ASSERT (BankEnc < GET_SIZE_OF (ArrCodesHi)); + // return ArrCodes[BankEnc]; + *LowBit = ArrCodesLo[BankEnc]; + *HiBit = ArrCodesHi[BankEnc]; +} + +/*---------------------------------------------------------------------------- + * LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function determines if the checksum is correct + * + * @param[in] *SPDPtr - Pointer to SPD data + * + * @return TRUE - CRC check passes + * @return FALSE - CRC check fails + */ + +BOOLEAN +STATIC +MemTCRCCheck3 ( + IN OUT UINT8 *SPDPtr + ) +{ + UINT16 Crc; + INT16 i; + INT16 j; + INT16 Count; + + if (SPDPtr[SPD_TYPE] == JED_DDR3SDRAM) { + Count = (SPDPtr[SPD_BYTE_USED] & 0x80) ? 117 : 126; + Crc = 0; + for (j = 0; j < Count; j++) { + Crc = Crc ^ ((UINT16)SPDPtr[j] << 8); + for (i = 0; i < 8; i++) { + if (Crc & 0x8000) { + Crc = (Crc << 1) ^ 0x1021; + } else { + Crc = (Crc << 1); + } + } + } + if (*(UINT16 *) (SPDPtr + 126) == Crc) { + return TRUE; + } + } + + return FALSE; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function returns the CAS latency of the current frequency (DCTPtr->Timings.Speed). + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + * @return CAS Latency + */ + +UINT8 +STATIC +MemTSPDGetTCL3 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + UINT8 *SpdBufferPtr; + UINT8 CLdesired; + UINT8 CLactual; + UINT8 Dimm; + UINT8 Channel; + UINT16 CASLat; + UINT16 Mask16; + INT32 MTB_ps; + INT32 FTB_ps; + INT32 TAAmin_ps; + INT32 TCKproposed_ps; + INT32 Value32; + BOOLEAN CltFail; + MEM_NB_BLOCK *NBPtr; + DCT_STRUCT *DCTPtr; + CH_DEF_STRUCT *ChannelPtr; + + NBPtr = TechPtr->NBPtr; + DCTPtr = NBPtr->DCTPtr; + + CASLat = 0xFFFF; + TAAmin_ps = 0; + CltFail = FALSE; + + for (Channel = 0; Channel < NBPtr->ChannelCount; Channel++) { + NBPtr->SwitchChannel (NBPtr, Channel); + ChannelPtr = NBPtr->ChannelPtr; + for (Dimm = 0; Dimm < MAX_DIMMS_PER_CHANNEL; Dimm++) { + if ((ChannelPtr->ChDimmValid & ((UINT8)1 << Dimm)) != 0) { + MemTGetDimmSpdBuffer3 (TechPtr, &SpdBufferPtr, Dimm); + + // Step 1: Determine the common set of supported CAS Latency + // values for all modules on the memory Channel using the CAS + // Latencies Supported in SPD bytes 14 and 15. + // + CASLat &= ((UINT16)SpdBufferPtr[SPD_CASHI] << 8) | SpdBufferPtr[SPD_CASLO]; + + // Step 2: Determine tAAmin(all) which is the largest tAAmin + // value for all modules on the memory Channel (SPD byte 16). + // + MTB_ps = ((INT32) SpdBufferPtr[SPD_DIVIDENT] * 1000) / SpdBufferPtr[SPD_DIVISOR]; + FTB_ps = (SpdBufferPtr[SPD_FTB] >> 4) / (SpdBufferPtr[SPD_FTB] & 0xF); + Value32 = (MTB_ps * SpdBufferPtr[SPD_TAA]) + (FTB_ps * (INT8) SpdBufferPtr[SPD_TAA_FTB]) ; + if (TAAmin_ps < Value32) { + TAAmin_ps = Value32; + } + + // Step 3: Determine tCKmin(all) which is the largest tCKmin + // value for all modules on the memory Channel (SPD byte 12). + // * This step has been done in SPDGetTargetSpeed + } + } + } + + TCKproposed_ps = 1000500 / DCTPtr->Timings.Speed; + + // Step 4: For a proposed tCK value (tCKproposed) between tCKmin(all) and tCKmax, + // determine the desired CAS Latency. If tCKproposed is not a standard JEDEC + // value (2.5, 1.875, 1.5, or 1.25 ns) then tCKproposed must be adjusted to the + // next lower standard tCK value for calculating CLdesired. + // CLdesired = ceiling ( tAAmin(all) / tCKproposed ) + // where tAAmin is defined in Byte 16. The ceiling function requires that the + // quotient be rounded up always. + // + CLdesired = (UINT8) ((TAAmin_ps + TCKproposed_ps - 1) / TCKproposed_ps); + + // Step 5: Choose an actual CAS Latency (CLactual) that is greater than or equal + // to CLdesired and is supported by all modules on the memory Channel as + // determined in step 1. If no such value exists, choose a higher tCKproposed + // value and repeat steps 4 and 5 until a solution is found. + // + CLactual = 4; + for (Mask16 = 1; Mask16 < 0x8000; Mask16 <<= 1) { + if (CASLat & Mask16) { + if (CLdesired <= CLactual) { + break; + } + } + CLactual++; + } + if (Mask16 == 0x8000) { + CltFail = TRUE; + } + + // Step 6: Once the calculation of CLactual is completed, the BIOS must also + // verify that this CAS Latency value does not exceed tAAmax, which is 20 ns + // for all DDR3 speed grades, by multiplying CLactual times tCKproposed. If + // not, choose a lower CL value and repeat steps 5 and 6 until a solution is found. + // + if ((TCKproposed_ps * CLactual) > 20000) { + CltFail = TRUE; + } + + if (!CltFail) { + DCTPtr->Timings.CasL = CLactual; + } else { + // Fail to find supported Tcl, use 6 clocks since it is required for all DDR3 speed bin. + DCTPtr->Timings.CasL = 6; + } + + return DCTPtr->Timings.CasL; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function returns the encoded value of bank address. + * + * @param[in] Encode - RRRBCC, where CC is the number of Columns minus 9, + * RRR is the number of Rows minus 12, and B is the number of banks + * minus 3. + * @param[out] *Index - index in bank address table + * @return TRUE - encoded value is found. + * FALSE - encoded value is not found. + */ + +BOOLEAN +STATIC +MemTCheckBankAddr3 ( + IN UINT8 Encode, + OUT UINT8 *Index + ) +{ + UINT8 i; + CONST UINT8 TabBankAddr[] = { + 0x3F, 0x01, 0x09, 0x3F, 0x3F, 0x11, + 0x0A, 0x19, 0x12, 0x1A, 0x21, 0x22 + }; + + for (i = 0; i < GET_SIZE_OF (TabBankAddr); i++) { + if (Encode == TabBankAddr[i]) { + *Index = i; + return TRUE; + } + } + return FALSE; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function returns a pointer to the SPD Buffer of a specific dimm on + * the current channel. + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * @param[in,out] **SpdBuffer - Pointer to a pointer to a UINT8 Buffer + * @param[in] Dimm - Dimm number + * + * + * @return BOOLEAN - Value of DimmPresent + * TRUE = Dimm is present, pointer is valid + * FALSE = Dimm is not present, pointer has not been modified. + */ + +BOOLEAN +MemTGetDimmSpdBuffer3 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN OUT UINT8 **SpdBuffer, + IN UINT8 Dimm + ) +{ + CH_DEF_STRUCT *ChannelPtr; + SPD_DEF_STRUCT *SPDPtr; + BOOLEAN DimmPresent; + + DimmPresent = FALSE; + ChannelPtr = TechPtr->NBPtr->ChannelPtr; + ASSERT (Dimm < (sizeof (ChannelPtr->DimmSpdPtr) / sizeof (ChannelPtr->DimmSpdPtr[0]))) + SPDPtr = ChannelPtr->DimmSpdPtr[Dimm]; + + + if (SPDPtr != NULL) { + DimmPresent = SPDPtr->DimmPresent; + if (DimmPresent) { + *SpdBuffer = SPDPtr->Data; + } + } + return DimmPresent; +} + |