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Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/Recovery/Mem/Tech/DDR3/mrtsdi3.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/Recovery/Mem/Tech/DDR3/mrtsdi3.c | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Recovery/Mem/Tech/DDR3/mrtsdi3.c b/src/vendorcode/amd/agesa/f14/Proc/Recovery/Mem/Tech/DDR3/mrtsdi3.c new file mode 100644 index 0000000000..92a035fec7 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/Recovery/Mem/Tech/DDR3/mrtsdi3.c @@ -0,0 +1,360 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * mrtsdi3.c + * + * Technology Software DRAM Init for DDR3 Recovery + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Proc/Recovery/Mem) + * @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 "OptionMemory.h" +#include "mm.h" +#include "mn.h" +#include "mru.h" +#include "mt.h" +#include "mrt3.h" +#include "Filecode.h" +CODE_GROUP (G2_PEI) +RDATA_GROUP (G2_PEI) + +#define FILECODE PROC_RECOVERY_MEM_TECH_DDR3_MRTSDI3_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + + +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + + + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function initiates software DRAM init + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + */ + +VOID +MemRecTDramInitSw3 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + UINT8 ChipSel; + MEM_DATA_STRUCT *MemPtr; + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + MemPtr = NBPtr->MemPtr; + + // 3.Program F2x[1,0]7C[EnDramInit]=1 + NBPtr->SetBitField (NBPtr, BFEnDramInit, 1); + + // 4.wait 200us + MemRecUWait10ns (20000, MemPtr); + + NBPtr->SetBitField (NBPtr, BFDeassertMemRstX, 1); + + // 6.wait 500us + MemRecUWait10ns (50000, MemPtr); + + // 7.NOP or deselect & take CKE high + NBPtr->SetBitField (NBPtr, BFAssertCke, 1); + + // 8.wait 360ns + MemRecUWait10ns (36, MemPtr); + + // The following steps are performed with registered DIMMs only and + // must be done for each chip select pair: + // + if (NBPtr->ChannelPtr->RegDimmPresent != 0) { + MemRecTDramControlRegInit3 (TechPtr); + } + + // + // In recovery mode, we only need to initialize one chipsel for UDIMMs. + // + NBPtr->SetDramOdtRec (NBPtr, MISSION_MODE, 0, 0); + + for (ChipSel = 0; ChipSel < MAX_CS_PER_CHANNEL; ChipSel++) { + if ((NBPtr->DCTPtr->Timings.CsPresent & (UINT16) 1 << ChipSel) != 0) { + NBPtr->SetBitField (NBPtr, BFMrsChipSel, ChipSel); + // 13.Send EMRS(2) + MemRecTEMRS23 (TechPtr); + NBPtr->SendMrsCmd (NBPtr); + + // 14.Send EMRS(3). Ordinarily at this time, MrsAddress[2:0]=000b + MemRecTEMRS33 (TechPtr); + NBPtr->SendMrsCmd (NBPtr); + + // 15.Send EMRS(1). + MemRecTEMRS13 (TechPtr); + NBPtr->SendMrsCmd (NBPtr); + + // 16.Send MRS with MrsAddress[8]=1(reset the DLL) + MemRecTMRS3 (TechPtr); + NBPtr->SendMrsCmd (NBPtr); + + //wait 500us + MemRecUWait10ns (50000, MemPtr); + + if (NBPtr->ChannelPtr->RegDimmPresent == 0) { + break; + } + } + } + + // 17.Send two ZQCL commands (to even then odd chip select) + NBPtr->sendZQCmd (NBPtr); + NBPtr->sendZQCmd (NBPtr); + + // 18.Program F2x[1,0]7C[EnDramInit]=0 + NBPtr->SetBitField (NBPtr, BFEnDramInit, 0); + +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function calculates the EMRS1 value + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + */ + +VOID +MemRecTEMRS13 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + UINT16 MrsAddress; + UINT8 DramTerm; + + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + + // BA2=0,BA1=0,BA0=1 + NBPtr->SetBitField (NBPtr, BFMrsBank, 1); + + MrsAddress = 0; + + // program MrsAddress[5,1]=output driver impedance control (DIC): + // based on F2x[1,0]84[DrvImpCtrl], which is 2'b01 + MrsAddress |= ((UINT16) 1 << 1); + + // program MrsAddress[9,6,2]=nominal termination resistance of ODT (RTT): + // based on F2x[1,0]84[DramTerm], which is 3'b001 (60 Ohms) + if (!(NBPtr->IsSupported[CheckDramTerm])) { + DramTerm = (UINT8) NBPtr->GetBitField (NBPtr, BFDramTerm); + } else { + DramTerm = NBPtr->ChannelPtr->Reserved[0]; + } + if ((DramTerm & 1) != 0) { + MrsAddress |= ((UINT16) 1 << 2); + } + if ((DramTerm & 2) != 0) { + MrsAddress |= ((UINT16) 1 << 6); + } + if ((DramTerm & 4) != 0) { + MrsAddress |= ((UINT16) 1 << 9); + } + + // program MrsAddress[12]=output disable (QOFF): + // based on F2x[1,0]84[Qoff], which is 1'b0 + + // program MrsAddress[11]=TDQS: + // based on F2x[1,0]94[RDqsEn], which is 1'b0 + + NBPtr->SetBitField (NBPtr, BFMrsAddress, MrsAddress); +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function calculates the EMRS2 value + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + */ + +VOID +MemRecTEMRS23 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + UINT16 MrsAddress; + UINT8 DramTermDyn; + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + + // BA2=0,BA1=1,BA0=0 + NBPtr->SetBitField (NBPtr, BFMrsBank, 2); + + // program MrsAddress[5:3]=CAS write latency (CWL): + // based on F2x[1,0]84[Tcwl], which is 3'b000 + // + MrsAddress = 0; + + // program MrsAddress[6]=auto self refresh method (ASR): + // based on F2x[1,0]84[ASR], which is 1'b1 + // program MrsAddress[7]=self refresh temperature range (SRT): + // based on F2x[1,0]84[SRT], which is also 1'b0 + // + MrsAddress |= (UINT16) 1 << 6; + + // program MrsAddress[10:9]=dynamic termination during writes (RTT_WR): + // based on F2x[1,0]84[DramTermDyn] + // + if (!(NBPtr->IsSupported[CheckDramTermDyn])) { + DramTermDyn = (UINT8) NBPtr->GetBitField (NBPtr, BFDramTermDyn); + } else { + DramTermDyn = NBPtr->ChannelPtr->Reserved[1]; + } + MrsAddress |= (UINT16) DramTermDyn << 9; + NBPtr->SetBitField (NBPtr, BFMrsAddress, MrsAddress); +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function calculates the EMRS3 value + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + */ + +VOID +MemRecTEMRS33 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + + // BA2=0,BA1=1,BA0=1 + NBPtr->SetBitField (NBPtr, BFMrsBank, 3); + + // program MrsAddress[1:0]=multi purpose register address location + // (MPR Location):based on F2x[1,0]84[MprLoc], which is 0 + // program MrsAddress[2]=multi purpose register + // (MPR):based on F2x[1,0]84[MprEn], which is also 0 + // + NBPtr->SetBitField (NBPtr, BFMrsAddress, 0); +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This sets MSS value + * + * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK + * + */ + +VOID +MemRecTMRS3 ( + IN OUT MEM_TECH_BLOCK *TechPtr + ) +{ + UINT16 MrsAddress; + MEM_NB_BLOCK *NBPtr; + + NBPtr = TechPtr->NBPtr; + + // BA2=0,BA1=0,BA0=0 + NBPtr->SetBitField (NBPtr, BFMrsBank, 0); + + // program MrsAddress[1:0]=burst length and control method + // (BL):based on F2x[1,0]84[BurstCtrl], which is 1'b0 + // + MrsAddress = 0; + + // program MrsAddress[3]=1 (BT):interleaved + MrsAddress |= (UINT16) 1 << 3; + + // program MrsAddress[6:4,2]=read CAS latency + // (CL):based on F2x[1,0]88[Tcl], which is 4'b0010 + MrsAddress |= (UINT16) 2 << 4; + + // program MrsAddress[11:9]=write recovery for auto-precharge + // (WR):based on F2x[1,0]84[Twr], which is 3'b010 + // + MrsAddress |= (UINT16) 2 << 9; + + // program MrsAddress[12]=0 (PPD):slow exit + + // program MrsAddress[8]=1 (DLL):DLL reset + MrsAddress |= (UINT16) 1 << 8; // just issue DLL reset at first time + + NBPtr->SetBitField (NBPtr, BFMrsAddress, MrsAddress); +} |