diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR2/mtspd2.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR2/mtspd2.c | 1117 |
1 files changed, 1117 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR2/mtspd2.c b/src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR2/mtspd2.c new file mode 100644 index 0000000000..f9aeeedb50 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR2/mtspd2.c @@ -0,0 +1,1117 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * mtspd2.c + * + * Technology SPD supporting functions for DDR2 + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/Tech/DDR2) + * @e \$Revision: 35136 $ @e \$Date: 2010-07-16 11:29:48 +0800 (Fri, 16 Jul 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 "amdlib.h" +#include "Ids.h" +#include "mport.h" +#include "mm.h" +#include "mn.h" +#include "mt.h" +#include "mu.h" +#include "mt2.h" +#include "mtspd2.h" +#include "mftds.h" +#include "GeneralServices.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_MEM_TECH_DDR2_MTSPD2_FILECODE + +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +UINT8 +STATIC +MemTSPDGetTCL2 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ); + +BOOLEAN +STATIC +MemTSysCapability2 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN UINT8 k, + IN UINT16 j + ); + +BOOLEAN +STATIC +MemTDimmSupports2 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN UINT8 k, + IN UINT8 j, + IN UINT8 i + ); + +UINT8 +STATIC +MemTGetTk2 ( + IN UINT8 k + ); + +UINT8 +STATIC +MemTGetBankAddr2 ( + IN UINT8 k + ); + +/*---------------------------------------------------------------------------- + * 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 DDR2 + */ + +BOOLEAN +MemTSetDramMode2 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + TechPtr->NBPtr->SetBitField (TechPtr->NBPtr, BFLegacyBiosMode, 0); + 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 +MemTDIMMPresence2 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + UINT8 *SpdBufferPtr; + MEM_PARAMETER_STRUCT *RefPtr; + DIE_STRUCT *MCTPtr; + DCT_STRUCT *DCTPtr; + CH_DEF_STRUCT *ChannelPtr; + MEM_NB_BLOCK *NBPtr; + UINT16 Checksum; + UINT16 Value16; + UINT8 Dct; + UINT8 Channel; + UINT8 i; + UINT8 ByteNum; + UINT8 Devwidth; + UINT8 Value8; + UINT8 MaxDimms; + UINT8 DimmSlots; + UINT16 DimmMask; + BOOLEAN SPDCtrl; + + 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 + DimmSlots = GetMaxDimmsPerChannel (RefPtr->PlatformMemoryConfiguration, + MCTPtr->SocketId, + NBPtr->GetSocketRelativeChannel (NBPtr, Dct, Channel) + ); + MaxDimms = MAX_DIMMS_PER_CHANNEL; + for (i = 0; i < MaxDimms; i++) { + // Bitmask representing dimm #i. + DimmMask = (UINT16)1 << i; + + if ((ChannelPtr->DimmQrPresent & DimmMask) || (i < DimmSlots)) { + if (MemTGetDimmSpdBuffer2 (TechPtr, &SpdBufferPtr, i)) { + MCTPtr->DimmPresent |= DimmMask; + + // Start by computing checksum for this SPD + Checksum = 0; + for (ByteNum = 0; ByteNum < SPD_CHECKSUM; ByteNum++) { + Checksum = Checksum + (UINT16) SpdBufferPtr[ByteNum]; + } + // Check for valid checksum value + AGESA_TESTPOINT (TpProcMemSPDChecking, &(NBPtr->MemPtr->StdHeader)); + + if (SpdBufferPtr[SPD_TYPE] == JED_DDR2_SDRAM) { + ChannelPtr->ChDimmValid |= DimmMask; + MCTPtr->DimmValid |= DimmMask; + } else { + // Current socket is set up to only support DDR2 dimms. + IDS_ERROR_TRAP; + } + if ((SpdBufferPtr[SPD_CHECKSUM] != (UINT8)Checksum) && !SPDCtrl) { + // + // if 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_REG_ADC_MSK) { + ChannelPtr->RegDimmPresent |= DimmMask; + MCTPtr->RegDimmPresent |= DimmMask; + } + + if (SpdBufferPtr[SPD_DIMM_TYPE] & JED_SODIMM) { + ChannelPtr->SODimmPresent |= DimmMask; + } + + // Check error correction type + if (SpdBufferPtr[SPD_EDC_TYPE] & JED_ECC) { + MCTPtr->DimmEccPresent |= DimmMask; // Dimm has ECC + } + if (SpdBufferPtr[SPD_EDC_TYPE] & JED_ADRC_PAR) { + MCTPtr->DimmParPresent |= DimmMask; // Dimm has parity + } + + // Get the Dimm width data + Devwidth = SpdBufferPtr[SPD_DEV_WIDTH] & 0xFE; + if (Devwidth == 4) { + ChannelPtr->Dimmx4Present |= DimmMask; // Dimm has parity + } else if (Devwidth == 8) { + ChannelPtr->Dimmx8Present |= DimmMask; // Dimm has parity + } else if (Devwidth == 16) { + ChannelPtr->Dimmx16Present |= DimmMask; // Dimm has parity + } + + // Determine the page size. + // page_size = 2^COLBITS * Devwidth/8 + // + Value16 = (((UINT16)1 << SpdBufferPtr[SPD_COL_SZ]) * Devwidth) / 8; + if (!(Value16 >> 11)) { + DCTPtr->Timings.DIMM1KPage |= DimmMask; + } + + // Check for 'analysis probe installed' + if (SpdBufferPtr[SPD_ATTRIB] & JED_PROBE_MSK) { + MCTPtr->Status[SbDiagClks] = TRUE; + } + + // Determine the geometry of the DIMM module + if (SpdBufferPtr[SPD_DM_BANKS] & SP_DPL_BIT) { + ChannelPtr->DimmPlPresent |= DimmMask; // Dimm is planar + } + + // specify the number of ranks + Value8 = (SpdBufferPtr[SPD_DM_BANKS] & 0x07) + 1; + if (Value8 > 2) { + if (ChannelPtr->DimmQrPresent == 0) { + // if any DIMMs are QR, + // we have to make two passes through DIMMs + // + MaxDimms = MaxDimms << 1; + } + + if (i < DimmSlots) { + ChannelPtr->DimmQrPresent |= DimmMask; + ChannelPtr->DimmQrPresent |= (DimmMask << 2); + } + Value8 = 2; + } else if (Value8 == 2) { + ChannelPtr->DimmDrPresent |= DimmMask; // Dual 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 + if (Value8 == 2) { + Devwidth = Devwidth << 1; + } + + ChannelPtr->Ranks = ChannelPtr->Ranks + Value8; + ChannelPtr->Loads = ChannelPtr->Loads + Devwidth; + ChannelPtr->Dimms++; + + // Now examine the dimm packaging dates + Value8 = SpdBufferPtr[SPD_MAN_DATE_YR]; + if (Value8 < M_YEAR_06) { + ChannelPtr->DimmYr06 |= DimmMask; // Built before end of 2006 + ChannelPtr->DimmWk2406 |= DimmMask; // Built before end of week 24,2006 + } else if (Value8 == M_YEAR_06) { + ChannelPtr->DimmYr06 |= DimmMask; // Built before end of 2006 + if (SpdBufferPtr[SPD_MAN_DATE_WK] <= M_WEEK_24) { + ChannelPtr->DimmWk2406 |= DimmMask; // Built before end of week 24,2006 + } + } + } // if DIMM present + } // Quadrank + } // Dimm loop + + if (Channel == 0) { + DCTPtr->Timings.DctDimmValid = ChannelPtr->ChDimmValid; + DCTPtr->Timings.DimmSpdCse = ChannelPtr->DimmSpdCse; + DCTPtr->Timings.DimmQrPresent = ChannelPtr->DimmQrPresent; + DCTPtr->Timings.DimmDrPresent = ChannelPtr->DimmDrPresent; + 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->DimmEccPresent <<= 8; + MCTPtr->DimmParPresent <<= 8; + } + } // Channel loop + } // DCT loop + + + // If we have DIMMs, some further general characteristics checking + if (MCTPtr->DimmValid) { + // If there are registered dimms, all the dimms must be registered + if (MCTPtr->RegDimmPresent == MCTPtr->DimmValid) { + // All dimms registered + MCTPtr->Status[SbRegistered] = TRUE; + } else if (MCTPtr->RegDimmPresent) { + // 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 + } + + // check the parity capability of the DIMMs + if (MCTPtr->DimmParPresent == MCTPtr->DimmValid) { + MCTPtr->Status[SbParDimms] = TRUE; // All dimms parity capable + } + } else { + } + + NBPtr->SwitchDCT (NBPtr, 0); + NBPtr->SwitchChannel (NBPtr, 0); + return (BOOLEAN) (MCTPtr->ErrCode < AGESA_FATAL); +} + + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function finds the best T and CL primary timing parameter pair, per Mfg.,for the given + * set of DIMMs, and store into DIE_STRUCT(.Speed and .Casl). + * See "Global relationship between index values and item values" for definition of + * CAS latency index (j) and Frequency index (k). + * + * @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 +MemTSPDGetTargetSpeed2 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + CONST UINT16 SpeedCvt[] = { + DDR400_FREQUENCY, + DDR533_FREQUENCY, + DDR667_FREQUENCY, + DDR800_FREQUENCY, + DDR1066_FREQUENCY + }; + INT8 i; + INT8 j; + INT8 k; + INT8 Dct; + INT8 Channel; + UINT8 T1min; + UINT8 CL1min; + BOOLEAN IsSupported; + MEM_NB_BLOCK *NBPtr; + DIE_STRUCT *MCTPtr; + DCT_STRUCT *DCTPtr; + CH_DEF_STRUCT *ChannelPtr; + + NBPtr = TechPtr->NBPtr; + MCTPtr = TechPtr->NBPtr->MCTPtr; + + CL1min = 0xFF; + T1min = 0xFF; + + // For DDR2, run SyncTargetSpeed first to get frequency limit into DCTPtr->Timings.Speed + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + NBPtr->SwitchDCT (NBPtr, Dct); + NBPtr->DCTPtr->Timings.TargetSpeed = 16; // initialized with big number + } + NBPtr->SyncTargetSpeed (NBPtr); + + // Find target frequency and Tcl + for (k = K_MAX; k >= K_MIN; k--) { + for (j = J_MIN; j <= J_MAX; j++) { + if (MemTSysCapability2 (TechPtr, k, j)) { + IsSupported = TRUE; + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + NBPtr->SwitchDCT (NBPtr, Dct); + for (Channel = 0; Channel < NBPtr->ChannelCount; Channel++) { + NBPtr->SwitchChannel (NBPtr, Channel); + ChannelPtr = NBPtr->ChannelPtr; + for (i = 0; i < MAX_DIMMS_PER_CHANNEL; i++) { + if (ChannelPtr->ChDimmValid & ((UINT8)1 << i)) { + if (!MemTDimmSupports2 (TechPtr, k, j, i)) { + IsSupported = FALSE; + Dct = NBPtr->DctCount; + Channel = NBPtr->ChannelCount; + break; + } + } + } + } + } + + if (IsSupported) { + T1min = k; + CL1min = j; + // Kill the loops... + k = K_MIN - 1; + j = J_MAX + 1; + } + } + } + } + + if (T1min == 0xFF) { + // Failsafe values, running in minimum mode + PutEventLog (AGESA_FATAL, MEM_ERROR_MISMATCH_DIMM_CLOCKS, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + PutEventLog (AGESA_FATAL, MEM_ERROR_MINIMUM_MODE, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + SetMemError (AGESA_ERROR, MCTPtr); + + T1min = T_DEF; + CL1min = CL_DEF; + } + + for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { + NBPtr->SwitchDCT (NBPtr, Dct); + DCTPtr = NBPtr->DCTPtr; + DCTPtr->Timings.TargetSpeed = SpeedCvt[T1min - 1]; + } + + // 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); + DCTPtr = NBPtr->DCTPtr; + DCTPtr->Timings.Speed = DCTPtr->Timings.TargetSpeed; + DCTPtr->Timings.CasL = CL1min + 2; // Convert to clocks + } + + return (BOOLEAN) (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 +MemTSPDCalcWidth2 ( + 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; + 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 (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) { + NBPtr->SwitchDCT (NBPtr, 0); + MemTGetDimmSpdBuffer2 (TechPtr, &SpdBufferAPtr, i); + NBPtr->SwitchDCT (NBPtr, 1); + MemTGetDimmSpdBuffer2 (TechPtr, &SpdBufferBPtr, i); + + if ((SpdBufferAPtr[SPD_ROW_SZ]&0x1F) != (SpdBufferBPtr[SPD_ROW_SZ]&0x1F)) { + break; + } + + if ((SpdBufferAPtr[SPD_COL_SZ]&0x1F) != (SpdBufferBPtr[SPD_COL_SZ]&0x1F)) { + break; + } + + if (SpdBufferAPtr[SPD_BANK_SZ] != SpdBufferBPtr[SPD_BANK_SZ]) { + break; + } + + if ((SpdBufferAPtr[SPD_DEV_WIDTH]&0x7F) != (SpdBufferBPtr[SPD_DEV_WIDTH]&0x7F)) { + break; + } + + if ((SpdBufferAPtr[SPD_DM_BANKS]&0x07) != (SpdBufferBPtr[SPD_DM_BANKS]&0x07)) { + 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 if (!UngangMode) { + 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 +MemTAutoCycTiming2 ( + 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 + }; + CONST UINT8 Multiples[] = {10, 10, 10, 40, 40, 10, 10, 10}; + + CONST UINT8 Tab1KTfawTK[] = {8, 10, 13, 14, 0, 20}; + CONST UINT8 Tab2KTfawTK[] = {10, 14, 17, 18, 0, 24}; + CONST UINT8 TabDefTrcK[] = {0x41, 0x3C, 0x3C, 0x3A, 0, 0x3A}; + + UINT8 MiniMaxTmg[GET_SIZE_OF (SpdIndexes)]; + UINT8 MiniMaxTrfc[4]; + + DIE_STRUCT *MCTPtr; + DCT_STRUCT *DCTPtr; + MEM_NB_BLOCK *NBPtr; + UINT16 DimmMask; + UINT16 Value16; + UINT16 Tk40; + UINT8 i; + UINT8 j; + UINT8 Value8; + UINT8 Temp8; + UINT8 *StatTmgPtr; + UINT16 *StatDimmTmgPtr; + BOOLEAN Is1066; + UINT8 *SpdBufferPtr; + + 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) { + MemTGetDimmSpdBuffer2 (TechPtr, &SpdBufferPtr, i); + for (j = 0; j < GET_SIZE_OF (SpdIndexes); j++) { + Value8 = SpdBufferPtr[SpdIndexes[j]]; + if (SpdIndexes[j] == SPD_TRC) { + if (Value8 == 0 || Value8 == 0xFF) { + PutEventLog (AGESA_WARNING, MEM_WARNING_NO_SPDTRC_FOUND, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, i, &NBPtr->MemPtr->StdHeader); + SetMemError (AGESA_WARNING, MCTPtr); + Value8 = TabDefTrcK[(DCTPtr->Timings.Speed / 66) - 3]; + } + } + if (MiniMaxTmg[j] < Value8) { + MiniMaxTmg[j] = Value8; + } + } + + // get Trfc0 - Trfc3 values + Value8 = SpdBufferPtr[SPD_BANK_SZ]; + Temp8 = (Value8 << 3) | (Value8 >> 5); + Value8 = SpdBufferPtr[SPD_DEV_WIDTH]; + ASSERT (LibAmdBitScanReverse ((UINT32)Value8) <= 4); + Temp8 >>= 4 - LibAmdBitScanReverse ((UINT32)Value8); + Value8 = LibAmdBitScanReverse ((UINT32)Temp8); + if (MiniMaxTrfc[i] < Value8) { + MiniMaxTrfc[i] = Value8; + } + } + DimmMask <<= 1; + } + + // ====================================================================== + // Convert DRAM CycleTiming values and store into DCT structure + // ====================================================================== + // + Tk40 = 40000 / DCTPtr->Timings.Speed; + if (DCTPtr->Timings.Speed == DDR1066_FREQUENCY) { + Is1066 = TRUE; + } else { + Is1066 = FALSE; + } + // Notes: + // 1. All secondary time values given in SPDs are in binary with UINTs of ns. + // 2. Some time values are scaled by four, in order to have least count of 0.25 ns + // (more accuracy). JEDEC SPD spec. shows which ones are x1 and x4. + // 3. Internally to this SW, cycle time, Tk, is scaled by 10 to affect a + // least count of 0.1 ns (more accuracy). + // 4. SPD values not scaled are multiplied by 10 and then divided by 10T to find + // equivalent minimum number of bus clocks (a remainder causes round-up of clocks). + // 5. SPD values that are prescaled by 4 are multiplied by 10 and then divided by 40T to find + // equivalent minimum number of bus clocks (a remainder causes round-up of clocks). + // + StatDimmTmgPtr = &DCTPtr->Timings.DIMMTrcd; + StatTmgPtr = &DCTPtr->Timings.Trcd; + for (j = 0; j < GET_SIZE_OF (SpdIndexes); j++) { + Value16 = (UINT16)MiniMaxTmg[j] * Multiples[j]; + StatDimmTmgPtr[j] = Value16; + + MiniMaxTmg[j] = (UINT8) ((Value16 + Tk40 - 1) / Tk40); + if (SpdIndexes[j] == SPD_TRTP) { + MiniMaxTmg[j] = (DCTPtr->Timings.Speed <= DDR533_FREQUENCY) ? 2 : 3; // based on BL of 32 bytes + } + + StatTmgPtr[j] = 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 = MemTSPDGetTCL2 (TechPtr); + + if (DCTPtr->Timings.DIMM1KPage) { + DCTPtr->Timings.Tfaw = Tab1KTfawTK[(DCTPtr->Timings.Speed / 66) - 3]; + } else { + DCTPtr->Timings.Tfaw = Tab2KTfawTK[(DCTPtr->Timings.Speed / 66) - 3]; + } + if (Is1066) { + DCTPtr->Timings.Tfaw >>= 1; + } + + //====================================================================== + // 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 +MemTSPDSetBanks2 ( + 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) { + 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)) { + MemTGetDimmSpdBuffer2 (TechPtr, &SpdBufferPtr, DimmID); + + // Get the basic data + Rows = SpdBufferPtr[SPD_ROW_SZ] & 0x1F; + Cols = SpdBufferPtr[SPD_COL_SZ] & 0x1F; + Banks = SpdBufferPtr[SPD_L_BANKS]; + Ranks = (SpdBufferPtr[SPD_DM_BANKS] & 0x07) + 1; + + // Configure the bank encoding + Value8 = (Cols - 9) << 3; + Value8 |= (Banks == 8) ? 4 : 0; + Value8 |= (Rows - 13); + + for (i = 0; i < 12; i++) { + if (Value8 == MemTGetBankAddr2 (i)) { + break; + } + } + + if (i < 12) { + BankAddrReg |= ((UINT32)i << (ChipSel << 1)); + + // Mask value=(2pow(rows+cols+banks+3)-1)>>8, + // or 2pow(rows+cols+banks-5)-1 + // + Value8 = Rows + Cols; + Value8 -= (Banks == 8) ? 2:3; + if (MCTPtr->Status[Sb128bitmode]) { + Value8++; + } + CsMask = ((UINT32)1 << Value8) - 1; + DCTPtr->Timings.CsPresent |= (UINT16)1 << ChipSel; + + if (Ranks >= 2) { + DCTPtr->Timings.CsPresent |= (UINT16)1 << (ChipSel + 1); + } + + // Update the DRAM CS Mask for this chipselect + NBPtr->SetBitField (NBPtr, BFCSMask0Reg + (ChipSel >> 1), (CsMask & 0x1FF83FE0)); + } + } + } + // 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 +MemTGetCSIntLvAddr2 ( + IN UINT8 BankEnc, + OUT UINT8 *LowBit, + OUT UINT8 *HiBit + ) +{ + CONST UINT8 ArrCodesLo[] = {6, 7, 7, 8, 8, 8, 8, 8, 9, 9, 8, 9}; + CONST UINT8 ArrCodesHi[] = {19, 20, 21, 21, 21, 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 returns the CAS latency of the current frequency. + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + * @return CAS Latency + */ +UINT8 +STATIC +MemTSPDGetTCL2 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + return TechPtr->NBPtr->DCTPtr->Timings.CasL; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * Get max frequency from OEM platform definition, from + * any user override (limiting) of max frequency, and + * from any Si Revision Specific information. Return + * the least of these three in DIE_STRUCT.PresetmaxFreq. + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * @param[in] k - Frequency index + * @param[in] j - CAS Latency index + * + * @return TRUE - (k << 8) | j + * @return FALSE - 0 + */ + +BOOLEAN +STATIC +MemTSysCapability2 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN UINT8 k, + IN UINT16 j + ) +{ + if ((k > TechPtr->NBPtr->DCTPtr->Timings.TargetSpeed) || (j > J_MAX)) { + return FALSE; + } + + return TRUE; //(k << 8) | j; +} + + +/* -----------------------------------------------------------------------------*/ +/** + * + * Determine whether dimm(b,i) supports CL(j) and F(k) + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * @param[in] k - Frequency index + * @param[in] j - CAS Latency index + * @param[in] i - DIMM number + * + * @return TRUE - DIMM supports + * @return FALSE - DIMM does not support + */ + +BOOLEAN +STATIC +MemTDimmSupports2 ( + IN OUT MEM_TECH_BLOCK *TechPtr, + IN UINT8 k, + IN UINT8 j, + IN UINT8 i + ) +{ + CONST UINT8 SpdBytesForCL[3] = { 9, 23, 25}; // SPD bytes for CL X, CL X-.5, and CL X-1 + UINT8 CLj; + UINT8 CLi; + UINT8 T1; + UINT8 T2; + UINT8 Tk; + UINT8 *SpdBufferPtr; + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + + MemTGetDimmSpdBuffer2 (TechPtr, &SpdBufferPtr, i); + CLj = (UINT8) 1 << (j + 2); + CLi = SpdBufferPtr[SPD_CAS_LAT]; + + if (CLj & CLi) { + // If this dimm supports the desired CAS latency... + // Determine the SPD location of the dimm speed UINT8 appropriate + // to the CAS latency indicated by Table_CL2_j. + // + T1 = LibAmdBitScanReverse ((UINT32)CLj); + T2 = LibAmdBitScanReverse ((UINT32)CLi); + ASSERT ((T2 - T1) < 3); + CLi = SpdBufferPtr[SpdBytesForCL[(T2 - T1)]]; + Tk = MemTGetTk2 (k); + if (CLi == 0) { + PutEventLog (AGESA_FATAL, MEM_ERROR_NO_CYC_TIME, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader); + SetMemError (AGESA_WARNING, NBPtr->MCTPtr); + } else if (Tk >= CLi) { + return TRUE; + } + } + return FALSE; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function returns the cycle time + * + * @param[in] k - CAS Latency index + * + * @return Tk as specified by JEDEC SPD byte 9. + */ + +UINT8 +STATIC +MemTGetTk2 ( + IN UINT8 k + ) +{ + CONST UINT8 TableTK[] = {0x00, 0x50, 0x3D, 0x30, 0x25, 0x18}; + ASSERT (k < GET_SIZE_OF (TableTK)); + return TableTK[k]; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function returns the encoded value of bank address. + * + * @param[in] k value + * + * @return 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. + */ + +UINT8 +STATIC +MemTGetBankAddr2 ( + IN UINT8 k + ) +{ + CONST UINT8 TabBankAddr[] = { + 0x00, 0x08, 0x09, 0x10, 0x0C, 0x0D, + 0x11, 0x0E, 0x15, 0x16, 0x0F, 0x17 + }; + ASSERT (k < GET_SIZE_OF (TabBankAddr)); + return TabBankAddr[k]; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * 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 +MemTGetDimmSpdBuffer2 ( + 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; +} |