| /** |
| * @file |
| * |
| * mtsdi3.c |
| * |
| * Technology Software DRAM Init for DDR3 |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: (Mem/Tech/DDR3) |
| * @e \$Revision: 44323 $ @e \$Date: 2010-12-22 01:24:58 -0700 (Wed, 22 Dec 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 "Ids.h" |
| #include "mm.h" |
| #include "mn.h" |
| #include "mu.h" |
| #include "mt.h" |
| #include "mt3.h" |
| #include "mtsdi3.h" |
| #include "mtrci3.h" |
| #include "merrhdl.h" |
| #include "Filecode.h" |
| #define FILECODE PROC_MEM_TECH_DDR3_MTSDI3_FILECODE |
| /*---------------------------------------------------------------------------- |
| * DEFINITIONS AND MACROS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| * TYPEDEFS AND STRUCTURES |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| * PROTOTYPES OF LOCAL FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| VOID |
| STATIC |
| MemTEMRS33 ( |
| IN OUT MEM_TECH_BLOCK *TechPtr |
| ); |
| |
| VOID |
| STATIC |
| MemTMRS3 ( |
| IN OUT MEM_TECH_BLOCK *TechPtr |
| ); |
| |
| |
| /*---------------------------------------------------------------------------- |
| * EXPORTED FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function initiates software DRAM init for both DCTs |
| * at the same time. |
| * |
| * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK |
| * |
| */ |
| |
| BOOLEAN |
| MemTDramInitSw3 ( |
| IN OUT MEM_TECH_BLOCK *TechPtr |
| ) |
| { |
| UINT8 Dct; |
| UINT8 ChipSel; |
| UINT32 Dummy; |
| |
| MEM_DATA_STRUCT *MemPtr; |
| DIE_STRUCT *MCTPtr; |
| MEM_NB_BLOCK *NBPtr; |
| |
| NBPtr = TechPtr->NBPtr; |
| MemPtr = NBPtr->MemPtr; |
| MCTPtr = NBPtr->MCTPtr; |
| |
| IDS_HDT_CONSOLE ("!\nStart Dram Init\n"); |
| // 3.Program F2x[1,0]7C[EnDramInit]=1 |
| IDS_HDT_CONSOLE ("\tEnDramInit = 1 for both DCTs\n"); |
| NBPtr->BrdcstSet (NBPtr, BFEnDramInit, 1); |
| NBPtr->PollBitField (NBPtr, BFDctAccessDone, 1, PCI_ACCESS_TIMEOUT, TRUE); |
| |
| // 4.wait 200us |
| MemUWait10ns (20000, MemPtr); |
| |
| // 5.Program F2x[1, 0]7C[DeassertMemRstX] = 1. |
| NBPtr->BrdcstSet (NBPtr, BFDeassertMemRstX, 1); |
| |
| // 6.wait 500us |
| MemUWait10ns (50000, MemPtr); |
| |
| // Do Phy Fence training before sending MRS commands |
| if (!NBPtr->IsSupported[FenceTrnBeforeDramInit]) { |
| AGESA_TESTPOINT (TpProcMemPhyFenceTraining, &(NBPtr->MemPtr->StdHeader)); |
| for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { |
| NBPtr->SwitchDCT (NBPtr, Dct); |
| if (NBPtr->DCTPtr->Timings.DctMemSize != 0) { |
| IDS_HDT_CONSOLE ("!\tDct %d\n", Dct); |
| NBPtr->PhyFenceTraining (NBPtr); |
| } |
| } |
| } |
| |
| // 7.NOP or deselect & take CKE high |
| NBPtr->BrdcstSet (NBPtr, BFAssertCke, 1); |
| |
| // 8.wait 360ns |
| MemUWait10ns (36, MemPtr); |
| |
| // The following steps are performed once for each channel with unbuffered DIMMs |
| // and once for each chip select on registered DIMMs: |
| for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { |
| NBPtr->SwitchDCT (NBPtr, Dct); |
| if (NBPtr->DCTPtr->Timings.DctMemSize != 0) { |
| IDS_HDT_CONSOLE ("!\tDct %d\n", Dct); |
| // The following steps are performed with registered DIMMs only and |
| // must be done for each chip select pair: |
| if (MCTPtr->Status[SbRegistered]) { |
| MemTDramControlRegInit3 (TechPtr); |
| } |
| |
| for (ChipSel = 0; ChipSel < MAX_CS_PER_CHANNEL; ChipSel++) { |
| if (NBPtr->GetSysAddr (NBPtr, ChipSel, &Dummy)) { |
| IDS_HDT_CONSOLE ("!\t\tCS %d\n", ChipSel); |
| // if chip select present |
| MemTSendAllMRCmds3 (TechPtr, ChipSel); |
| // NOTE: wait 512 clocks for DLL-relock |
| MemUWait10ns (50000, NBPtr->MemPtr); // wait 500us |
| if (!MCTPtr->Status[SbRegistered]) { |
| 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->BrdcstSet (NBPtr, BFEnDramInit, 0); |
| NBPtr->PollBitField (NBPtr, BFDctAccessDone, 1, PCI_ACCESS_TIMEOUT, TRUE); |
| // |
| // For Unbuffered Dimms, Issue MRS for remaining CS without EnDramInit |
| // |
| if (!MCTPtr->Status[SbRegistered]) { |
| for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { |
| NBPtr->SwitchDCT (NBPtr, Dct); |
| if (NBPtr->DCTPtr->Timings.DctMemSize != 0) { |
| IDS_HDT_CONSOLE ("!\tDct %d\n", Dct); |
| for (ChipSel = 0; ChipSel < MAX_CS_PER_CHANNEL; ChipSel++) { |
| if (NBPtr->GetSysAddr (NBPtr, ChipSel, &Dummy)) { |
| IDS_HDT_CONSOLE ("!\t\tCS %d\n", ChipSel); |
| // if chip select present |
| MemTSendAllMRCmds3 (TechPtr, ChipSel); |
| // NOTE: wait 512 clocks for DLL-relock |
| MemUWait10ns (50000, NBPtr->MemPtr); // wait 500us |
| } |
| } |
| } |
| } |
| } |
| |
| |
| IDS_HDT_CONSOLE ("End Dram Init\n\n"); |
| return (BOOLEAN) (MCTPtr->ErrCode < AGESA_FATAL); |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function calculates the EMRS1 value |
| * |
| * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK |
| * @param[in] Wl - Indicates if WL mode should be enabled |
| * @param[in] TargetDIMM - DIMM target for WL |
| */ |
| |
| VOID |
| MemTEMRS13 ( |
| IN OUT MEM_TECH_BLOCK *TechPtr, |
| IN BOOLEAN Wl, |
| IN UINT8 TargetDIMM |
| ) |
| { |
| UINT16 MrsAddress; |
| UINT8 MaxDimmPerCH; |
| UINT8 ChipSel; |
| UINT8 Value8; |
| |
| MEM_NB_BLOCK *NBPtr; |
| |
| NBPtr = TechPtr->NBPtr; |
| MaxDimmPerCH = GetMaxDimmsPerChannel (NBPtr->RefPtr->PlatformMemoryConfiguration, |
| NBPtr->MCTPtr->SocketId, |
| NBPtr->ChannelPtr->ChannelID); |
| ChipSel = (UINT8) (0x0FF & NBPtr->GetBitField (NBPtr, BFMrsChipSel)); |
| |
| // 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] |
| Value8 = (UINT8)NBPtr->GetBitField (NBPtr, BFDrvImpCtrl); |
| 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): |
| // Different CS may have different RTT. |
| // |
| if (NBPtr->MCTPtr->Status[SbRegistered]) { |
| // |
| // Registered Dimms |
| // |
| if ((NBPtr->ChannelPtr->DimmQrPresent & ((UINT16) (1 << (ChipSel >> 1)))) != 0) { |
| Value8 = NBPtr->PsPtr->QR_DramTerm; |
| } else { |
| Value8 = NBPtr->PsPtr->DramTerm; |
| } |
| } else { |
| // |
| // Unbuffered Dimms |
| // |
| Value8 = NBPtr->PsPtr->DramTerm; |
| } |
| // |
| // If Write Leveling this DIMM |
| // |
| if (Wl) { |
| if ((ChipSel >> 1) == TargetDIMM) { |
| // Program MrsAddress[7] = 1 for Write leveling enable |
| MrsAddress |= ((UINT16) 1 << 7); |
| if (ChipSel & 1) { |
| // Output buffer disabled, MrsAddress[7] (Qoff = 1) |
| MrsAddress |= ((UINT16) 1 << 12); |
| } |
| // Set Rtt_Nom = Rtt_Wr if there are 2 or more dimms |
| if ((NBPtr->ChannelPtr->DimmQrPresent != 0) || (NBPtr->ChannelPtr->Dimms >= 2)) { |
| Value8 = NBPtr->PsPtr->DynamicDramTerm; |
| } |
| } |
| } |
| // |
| // Turn off Rtt_Nom (DramTerm=0) for certain CS in certain configs. |
| // |
| // All odd CS for 4 Dimm Systems |
| if (MaxDimmPerCH == 4) { |
| if (ChipSel & 0x01) { |
| Value8 = 0; |
| } |
| // CS 1 and 5 for 3 Dimm configs |
| } else if (MaxDimmPerCH == 3) { |
| if ((ChipSel == 1) || (ChipSel == 5)) { |
| Value8 = 0; |
| } |
| } |
| // All odd CS of any QR Dimms |
| if ((NBPtr->ChannelPtr->DimmQrPresent & ((UINT8) (1 << (ChipSel >> 1)))) != 0) { |
| if (ChipSel & 0x01) { |
| Value8 = 0; |
| } |
| } |
| 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); |
| } |
| |
| // program MrsAddress[12]=output disable (QOFF): |
| // based on F2x[1,0]84[Qoff] |
| if (NBPtr->GetBitField (NBPtr, BFQoff) != 0) { |
| MrsAddress |= ((UINT16) 1 << 12); |
| } |
| |
| // program MrsAddress[11]=TDQS: |
| // based on F2x[1,0]94[RDqsEn] |
| if (NBPtr->GetBitField (NBPtr, BFRDqsEn) != 0) { |
| MrsAddress |= ((UINT16) 1 << 11); |
| } |
| |
| NBPtr->SetBitField (NBPtr, BFMrsAddress, MrsAddress); |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function calculates the EMRS2 value |
| * |
| * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK |
| * |
| */ |
| |
| VOID |
| MemTEMRS23 ( |
| IN OUT MEM_TECH_BLOCK *TechPtr |
| ) |
| { |
| UINT32 MrsAddress; |
| UINT8 DramTermDyn; |
| UINT8 MaxDimmPerCH; |
| UINT8 ChipSel; |
| MEM_NB_BLOCK *NBPtr; |
| |
| NBPtr = TechPtr->NBPtr; |
| |
| MaxDimmPerCH = GetMaxDimmsPerChannel (NBPtr->RefPtr->PlatformMemoryConfiguration, NBPtr->MCTPtr->SocketId, NBPtr->ChannelPtr->ChannelID ); |
| ChipSel = (UINT8) (0x0FF & NBPtr->GetBitField (NBPtr, BFMrsChipSel)); |
| |
| // 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] |
| MrsAddress = NBPtr->GetBitField (NBPtr, BFTcwl) << 3; |
| |
| // program MrsAddress[6]=auto self refresh method (ASR): |
| // based on F2x[1,0]84[ASR] |
| // program MrsAddress[7]=self refresh temperature range (SRT): |
| // based on F2x[1,0]84[ASR and SRT] |
| MrsAddress |= NBPtr->GetBitField (NBPtr, BFASR) << 6; |
| MrsAddress |= NBPtr->GetBitField (NBPtr, BFSRT) << 7; |
| |
| // program MrsAddress[10:9]=dynamic termination during writes (RTT_WR): |
| // based on F2x[1,0]84[DramTermDyn] |
| DramTermDyn = (UINT8) NBPtr->GetBitField (NBPtr, BFDramTermDyn); |
| // Special Case for 1 DR Unbuffered Dimm in 3 Dimm/Ch |
| if (!(NBPtr->MCTPtr->Status[SbRegistered])) { |
| if (MaxDimmPerCH == 3) { |
| if (NBPtr->ChannelPtr->Dimms == 1) { |
| if ((NBPtr->ChannelPtr->DimmDrPresent & ((UINT8) (1 << (ChipSel >> 1)))) != 0) { |
| DramTermDyn = 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 |
| STATIC |
| MemTEMRS33 ( |
| 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] |
| // program MrsAddress[2]=multi purpose register |
| // (MPR):based on F2x[1,0]84[MprEn] |
| NBPtr->SetBitField (NBPtr, BFMrsAddress, (NBPtr->GetBitField (NBPtr, BFDramMRSReg) >> 24) & 0x0007); |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This sets MRS value |
| * |
| * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK |
| * |
| */ |
| |
| VOID |
| STATIC |
| MemTMRS3 ( |
| IN OUT MEM_TECH_BLOCK *TechPtr |
| ) |
| { |
| UINT32 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] |
| MrsAddress = NBPtr->GetBitField (NBPtr, BFBurstCtrl); |
| |
| // 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] |
| // -- F2x88[3:0] to MrsAddress[6:4,2]=xxx0b -- |
| MrsAddress |= NBPtr->GetBitField (NBPtr, BFTcl) << 4; |
| |
| // program MrsAddress[11:9]=write recovery for auto-precharge |
| // (WR):based on F2x[1,0]84[Twr] |
| MrsAddress |= NBPtr->GetBitField (NBPtr, BFTwrDDR3) << 9; |
| |
| // program MrsAddress[12] (PPD):based on F2x[1,0]84[PChgPDModeSel] |
| MrsAddress |= NBPtr->GetBitField (NBPtr, BFPchgPDModeSel) << 12; |
| |
| // program MrsAddress[8]=1 (DLL):DLL reset |
| MrsAddress |= (UINT32) 1 << 8; |
| |
| NBPtr->SetBitField (NBPtr, BFMrsAddress, MrsAddress); |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This send all MR commands to a rank in sequence 2-3-1-0 |
| * |
| * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK |
| * @param[in] ChipSel - Target Chip Select |
| */ |
| |
| VOID |
| MemTSendAllMRCmds3 ( |
| IN OUT MEM_TECH_BLOCK *TechPtr, |
| IN UINT8 ChipSel |
| ) |
| { |
| MEM_NB_BLOCK *NBPtr; |
| |
| NBPtr = TechPtr->NBPtr; |
| |
| NBPtr->SetBitField (NBPtr, BFMrsChipSel, ChipSel); |
| |
| // 13.Send EMRS(2) |
| MemTEMRS23 (TechPtr); |
| NBPtr->SendMrsCmd (NBPtr); |
| |
| // 14.Send EMRS(3). Ordinarily at this time, MrsAddress[2:0]=000b |
| MemTEMRS33 (TechPtr); |
| NBPtr->SendMrsCmd (NBPtr); |
| |
| // 15.Send EMRS(1). |
| MemTEMRS13 (TechPtr, FALSE, (ChipSel >> 1)); |
| NBPtr->SendMrsCmd (NBPtr); |
| |
| // 16.Send MRS with MrsAddress[8]=1(reset the DLL) |
| MemTMRS3 (TechPtr); |
| NBPtr->SendMrsCmd (NBPtr); |
| } |