aboutsummaryrefslogtreecommitdiff
path: root/src/vendorcode/amd/agesa/f15/Proc/Mem/Tech/DDR3/mttwl3.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/vendorcode/amd/agesa/f15/Proc/Mem/Tech/DDR3/mttwl3.c')
-rw-r--r--src/vendorcode/amd/agesa/f15/Proc/Mem/Tech/DDR3/mttwl3.c719
1 files changed, 0 insertions, 719 deletions
diff --git a/src/vendorcode/amd/agesa/f15/Proc/Mem/Tech/DDR3/mttwl3.c b/src/vendorcode/amd/agesa/f15/Proc/Mem/Tech/DDR3/mttwl3.c
deleted file mode 100644
index f98956f04e..0000000000
--- a/src/vendorcode/amd/agesa/f15/Proc/Mem/Tech/DDR3/mttwl3.c
+++ /dev/null
@@ -1,719 +0,0 @@
-/* $NoKeywords:$ */
-/**
- * @file
- *
- * mttwl3.c
- *
- * Technology Phy assisted write levelization for DDR3
- *
- * @xrefitem bom "File Content Label" "Release Content"
- * @e project: AGESA
- * @e sub-project: (Mem/Tech/DDR3)
- * @e \$Revision: 57883 $ @e \$Date: 2011-08-15 10:41:06 -0600 (Mon, 15 Aug 2011) $
- *
- **/
-/*****************************************************************************
-*
-* Copyright (C) 2012 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 "mp.h"
-#include "mtsdi3.h"
-#include "mtlrdimm3.h"
-#include "merrhdl.h"
-#include "OptionMemory.h"
-#include "PlatformMemoryConfiguration.h"
-#include "GeneralServices.h"
-#include "Filecode.h"
-CODE_GROUP (G1_PEICC)
-RDATA_GROUP (G2_PEI)
-
-#define FILECODE PROC_MEM_TECH_DDR3_MTTWL3_FILECODE
-/*----------------------------------------------------------------------------
- * DEFINITIONS AND MACROS
- *
- *----------------------------------------------------------------------------
- */
-extern MEM_PSC_FLOW_BLOCK* memPlatSpecFlowArray[];
-
-/*----------------------------------------------------------------------------
- * TYPEDEFS AND STRUCTURES
- *
- *----------------------------------------------------------------------------
- */
-
-/*----------------------------------------------------------------------------
- * PROTOTYPES OF LOCAL FUNCTIONS
- *
- *----------------------------------------------------------------------------
- */
-
-BOOLEAN
-STATIC
-MemTWriteLevelizationHw3 (
- IN OUT MEM_TECH_BLOCK *TechPtr,
- IN UINT8 Pass
- );
-
-VOID
-STATIC
-MemTWLPerDimmHw3 (
- IN OUT MEM_TECH_BLOCK *TechPtr,
- IN UINT8 Dimm,
- IN UINT8 Pass
- );
-
-VOID
-STATIC
-MemTPrepareDIMMs3 (
- IN OUT MEM_TECH_BLOCK *TechPtr,
- IN UINT8 TargetDIMM,
- IN BOOLEAN Wl
- );
-
-VOID
-STATIC
-MemTProcConfig3 (
- IN OUT MEM_TECH_BLOCK *TechPtr,
- IN UINT8 Dimm,
- IN UINT8 Pass
- );
-
-VOID
-STATIC
-MemTBeginWLTrain3 (
- IN OUT MEM_TECH_BLOCK *TechPtr,
- IN UINT8 Dimm
- );
-
-/*----------------------------------------------------------------------------
- * EXPORTED FUNCTIONS
- *
- *----------------------------------------------------------------------------
- */
-
-
-/* -----------------------------------------------------------------------------*/
-/**
- *
- * This function executes first pass of Phy assisted write levelization
- * for a specific node (DDR800).
- *
- * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
- *
- * @return TRUE - No fatal error occurs.
- * @return FALSE - Fatal error occurs.
- */
-
-BOOLEAN
-MemTWriteLevelizationHw3Pass1 (
- IN OUT MEM_TECH_BLOCK *TechPtr
- )
-{
- return MemTWriteLevelizationHw3 (TechPtr, 1);
-}
-
-/* -----------------------------------------------------------------------------*/
-/**
- *
- * This function executes second pass of Phy assisted write levelization
- * for a specific node (DDR1066 and above).
- *
- * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
- *
- * @return TRUE - No fatal error occurs.
- * @return FALSE - Fatal error occurs.
- */
-
-BOOLEAN
-MemTWriteLevelizationHw3Pass2 (
- IN OUT MEM_TECH_BLOCK *TechPtr
- )
-{
- // If current speed is higher than start-up speed, do second pass of WL
- if (TechPtr->NBPtr->DCTPtr->Timings.Speed > TechPtr->NBPtr->StartupSpeed) {
- return MemTWriteLevelizationHw3 (TechPtr, 2);
- }
- return TRUE;
-}
-
-/* -----------------------------------------------------------------------------*/
-/**
- *
- * This function prepares for Phy assisted training.
- *
- * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
- *
- * @return TRUE - No fatal error occurs.
- * @return FALSE - Fatal error occurs.
- */
-
-BOOLEAN
-MemTPreparePhyAssistedTraining (
- IN OUT MEM_TECH_BLOCK *TechPtr
- )
-{
- // Disable auto refresh by configuring F2x[1, 0]8C[DisAutoRefresh] = 1.
- TechPtr->NBPtr->BrdcstSet (TechPtr->NBPtr, BFDisAutoRefresh, 1);
- // Disable ZQ calibration short command by configuring F2x[1, 0]94[ZqcsInterval] = 00b.
- TechPtr->NBPtr->BrdcstSet (TechPtr->NBPtr, BFZqcsInterval, 0);
- // Attempt to get the seeds value from PSC tables for WL and RxEn pass1 training if applicable.
- if (!TechPtr->NBPtr->PsPtr->MemPGetPass1Seeds (TechPtr->NBPtr)) {
- ASSERT (FALSE);
- }
-
- return (BOOLEAN) (TechPtr->NBPtr->MCTPtr->ErrCode < AGESA_FATAL);
-}
-
-/* -----------------------------------------------------------------------------*/
-/**
- *
- * This function revert to normal settings when exiting from Phy assisted training.
- *
- * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
- *
- * @return TRUE - No fatal error occurs.
- * @return FALSE - Fatal error occurs.
- */
-
-BOOLEAN
-MemTExitPhyAssistedTraining (
- IN OUT MEM_TECH_BLOCK *TechPtr
- )
-{
- MEM_NB_BLOCK *NBPtr;
- NBPtr = TechPtr->NBPtr;
-
- // 13.Program F2x[1, 0]8C[DisAutoRefresh] = 0.
- NBPtr->BrdcstSet (NBPtr, BFDisAutoRefresh, 0);
- // 14.Program F2x[1, 0]94[ZqcsInterval] to the proper interval for the current memory configuration.
- NBPtr->BrdcstSet (NBPtr, BFZqcsInterval, 2);
- NBPtr->FamilySpecificHook[ExitPhyAssistedTraining] (NBPtr, NBPtr);
-
- return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL);
-}
-
-/*----------------------------------------------------------------------------
- * LOCAL FUNCTIONS
- *
- *----------------------------------------------------------------------------
- */
-
-/* -----------------------------------------------------------------------------*/
-/**
- *
- * This function executed hardware based write levelization for a specific die
- *
- * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
- * @param[in] Pass - Pass number (1 (400Mhz) or 2 (>400Mhz))
- *
- * @pre Auto refresh and ZQCL must be disabled
- *
- * @return TRUE - No fatal error occurs.
- * @return FALSE - Fatal error occurs.
- */
-
-BOOLEAN
-STATIC
-MemTWriteLevelizationHw3 (
- IN OUT MEM_TECH_BLOCK *TechPtr,
- IN UINT8 Pass
- )
-{
- MEM_NB_BLOCK *NBPtr;
- DCT_STRUCT *DCTPtr;
- UINT8 Dct;
- UINT8 Dimm;
-
- NBPtr = TechPtr->NBPtr;
-
- IDS_HDT_CONSOLE (MEM_STATUS, "\nStart write leveling\n");
- AGESA_TESTPOINT (TpProcMemWriteLevelizationTraining, &(NBPtr->MemPtr->StdHeader));
- // Begin DQS Write timing training
- for (Dct = 0; Dct < NBPtr->DctCount; Dct++) {
- NBPtr->SwitchDCT (NBPtr, Dct);
- IDS_HDT_CONSOLE (MEM_STATUS, "\tDct %d\n", Dct);
- DCTPtr = NBPtr->DCTPtr;
-
- TechPtr->WLCriticalDelay = 0x00;
-
- //training for each Dimm
- for (Dimm = 0; Dimm < MAX_DIMMS_PER_CHANNEL; Dimm++) {
- if ((DCTPtr->Timings.CsEnabled & ((UINT16)3 << (Dimm << 1))) != 0) {
- if (!(NBPtr->MCTPtr->Status[SbLrdimms]) || ((NBPtr->ChannelPtr->LrDimmPresent & ((UINT8) 1 << Dimm)) != 0)) {
- IDS_HDT_CONSOLE (MEM_STATUS, "\t\tCS %d\n", Dimm << 1);
- MemTWLPerDimmHw3 (TechPtr, Dimm, Pass);
- }
- }
- }
-
- NBPtr->FamilySpecificHook[CalcWrDqDqsEarly] (NBPtr, NULL);
- }
- IDS_HDT_CONSOLE (MEM_FLOW, "End write leveling\n\n");
- return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL);
-}
-
-/* -----------------------------------------------------------------------------*/
-/**
- *
- * This function initializes per DIMM write levelization
- *
- * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
- * @param[in] Dimm - DIMM to be trained
- * @param[in] Pass - Pass number (1 (400Mhz) or 2 (>400Mhz))
- *
- */
-
-VOID
-STATIC
-MemTWLPerDimmHw3 (
- IN OUT MEM_TECH_BLOCK *TechPtr,
- IN UINT8 Dimm,
- IN UINT8 Pass
- )
-{
- MEM_DATA_STRUCT *MemPtr;
- MEM_NB_BLOCK *NBPtr;
-
- NBPtr = TechPtr->NBPtr;
- MemPtr = NBPtr->MemPtr;
-
- ASSERT (Dimm < MAX_DIMMS_PER_CHANNEL);
-
- // 1. A. Specify the target Dimm that is to be trained by programming
- // F2x[1, 0]9C_x08[TrDimmSel].
- NBPtr->SetBitField (NBPtr, BFTrDimmSel, Dimm);
-
- TechPtr->TargetDIMM = Dimm;
- NBPtr->FamilySpecificHook[InitPerNibbleTrn] (NBPtr, NULL);
- for (TechPtr->TrnNibble = NIBBLE_0; TechPtr->TrnNibble <= (NBPtr->FamilySpecificHook[TrainWlPerNibble] (NBPtr, &Dimm)? NIBBLE_0 : NIBBLE_1); TechPtr->TrnNibble++) {
- // 2. Prepare the DIMMs for write levelization using DDR3-defined
- // MR commands.
- MemTPrepareDIMMs3 (TechPtr, Dimm, TRUE);
-
- // 3. After the DIMMs are configured, BIOS waits 40 MEMCLKs to
- // satisfy DDR3-defined internal DRAM timing.
- NBPtr->WaitXMemClks (NBPtr, 40);
-
- // 4. Configure the processor's DDR phy for write levelization training:
- MemTProcConfig3 (TechPtr, Dimm, Pass);
-
- // 5. Begin write levelization training
- MemTBeginWLTrain3 (TechPtr, Dimm);
- }
- // 7. Program the target Dimm back to normal operation
- MemTPrepareDIMMs3 (TechPtr, Dimm, FALSE);
-}
-
-/* -----------------------------------------------------------------------------*/
-/**
- *
- * This function prepares the DIMMS for Write Levelization
- *
- * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
- * @param[in] TargetDIMM - DIMM to be trained
- * @param[in] Wl - Indicates if WL mode should be enabled
- *
- */
-
-VOID
-STATIC
-MemTPrepareDIMMs3 (
- IN OUT MEM_TECH_BLOCK *TechPtr,
- IN UINT8 TargetDIMM,
- IN BOOLEAN Wl
- )
-{
- MEM_NB_BLOCK *NBPtr;
- UINT8 ChipSel;
-
- NBPtr = TechPtr->NBPtr;
-
- AGESA_TESTPOINT (TpProcMemWlPrepDimms, &(NBPtr->MemPtr->StdHeader));
- ASSERT (TargetDIMM < MAX_DIMMS_PER_CHANNEL);
- TechPtr->TargetDIMM = TargetDIMM;
- if (!(TechPtr->TechnologySpecificHook[WlTrainingPrepareLrdimm] (TechPtr, &Wl))) {
- for (ChipSel = 0; ChipSel < MAX_CS_PER_CHANNEL; ChipSel++) {
- if ((NBPtr->DCTPtr->Timings.CsPresent & ((UINT16)1 << ChipSel)) != 0) {
- NBPtr->SetBitField (NBPtr, BFMrsChipSel, ChipSel);
- // Set MR1 to F2x7C[MrsAddress], F2x7C[MrsBank]=1
- MemTEMRS13 (TechPtr, Wl, TargetDIMM);
- NBPtr->SendMrsCmd (NBPtr);
- // Set MR2 to F2x7C[MrsAddress], F2x7C[MrsBank]=1
- MemTEMRS23 (TechPtr);
- // Send command
- NBPtr->SendMrsCmd (NBPtr);
- }
- }
- if (Wl) {
- // Program WrLvOdt for the Target DIMM (or CS)
- NBPtr->SetBitField (NBPtr, BFWrLvOdt, NBPtr->ChannelPtr->PhyWLODT[TargetDIMM]);
- }
- }
-}
-
-/* -----------------------------------------------------------------------------*/
-/**
- *
- * This function programs seed values for Write Levelization
- *
- * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
- * @param[in] Dimm - DIMM to be trained
- * @param[in] Pass - Pass for WL training (1 - 400Mhz or 2 - >400Mhz)
- *
- */
-
-VOID
-STATIC
-MemTProcConfig3 (
- IN OUT MEM_TECH_BLOCK *TechPtr,
- IN UINT8 Dimm,
- IN UINT8 Pass
- )
-{
- DIE_STRUCT *MCTPtr;
- CH_DEF_STRUCT *ChannelPtr;
- MEM_NB_BLOCK *NBPtr;
- UINT16 WrDqsDly;
- // Memclk Delay incurred by register.
- UINT8 MemClkRegDly;
- UINT8 ByteLane;
- UINT8 DefaultSeed;
- UINT8 CurrentSeed;
- UINT8 *Seed;
- UINT8 RCW2;
- UINT16 Speed;
- INT16 WrDqsBias;
-
- NBPtr = TechPtr->NBPtr;
- MCTPtr = NBPtr->MCTPtr;
- ChannelPtr = TechPtr->NBPtr->ChannelPtr;
-
- AGESA_TESTPOINT (TpProcMemWlConfigDimms, &(NBPtr->MemPtr->StdHeader));
- RCW2 = ChannelPtr->CtrlWrd02[Dimm];
- Speed = TechPtr->NBPtr->DCTPtr->Timings.Speed;
-
- IDS_HDT_CONSOLE (MEM_FLOW, "\n\t\t\t Byte: 00 01 02 03 04 05 06 07 ECC\n");
- IDS_HDT_CONSOLE (MEM_FLOW, "\t\t\tSeeds: ");
- // Program an initialization Value to registers F2x[1, 0]9C_x[51:50] and F2x[1, 0]9C_x52 to set
- // the gross and fine delay for all the byte lane fields. If the target frequency is different than 400MHz,
- // BIOS must execute two training passes for each Dimm. For pass 1 at a 400MHz MEMCLK frequency,
- // use an initial total delay value.
- if (Pass == 1) {
- //
- // Get the default value of seed
- //
- if (MCTPtr->Status[SbRegistered]) {
- //
- // RDIMM
- //
- if (Speed == DDR667_FREQUENCY) {
- DefaultSeed = ((RCW2 & BIT0) == 0) ? 0x3B : 0x4B;
- } else {
- DefaultSeed = ((RCW2 & BIT0) == 0) ? 0x41 : 0x51;
- }
- } else if (ChannelPtr->SODimmPresent != 0) {
- //
- // SODIMMM
- //
- DefaultSeed = 0x12;
- } else if (MCTPtr->Status[SbLrdimms]) {
- //
- // LRDIMM
- //
- DefaultSeed = 0xF7;
- } else {
- //
- // UDIMMM
- //
- DefaultSeed = 0x1A;
- }
-
- NBPtr->FamilySpecificHook[OverrideWLSeed] (NBPtr, &DefaultSeed);
- ASSERT (Speed >= DDR667_FREQUENCY);
-
- // Get platform override seed
- Seed = (UINT8 *) FindPSOverrideEntry (NBPtr->RefPtr->PlatformMemoryConfiguration, PSO_WL_SEED, MCTPtr->SocketId, ChannelPtr->ChannelID, Dimm,
- &(NBPtr->MCTPtr->LogicalCpuid), &(NBPtr->MemPtr->StdHeader));
- for (ByteLane = 0; ByteLane < TechPtr->DlyTableWidth (); ByteLane++) {
- // This includes ECC as byte 8
- CurrentSeed = ((Seed != NULL) ? Seed[ByteLane] : DefaultSeed);
- ChannelPtr->WrDqsDlys[Dimm * TechPtr->DlyTableWidth () + ByteLane] = CurrentSeed;
-
- if (NBPtr->IsSupported[WLSeedAdjust]) {
- if ((CurrentSeed & 0x20) != 0) {
- // If (SeedGross is odd) then SeedPreGross = 1
- CurrentSeed = (CurrentSeed & 0x1F) | 0x20;
- } else {
- // If (SeedGross is even) then SeedPreGross = 2
- CurrentSeed = (CurrentSeed & 0x1F) | 0x40;
- }
- }
-
- NBPtr->SetTrainDly (NBPtr, AccessPhRecDly, DIMM_BYTE_ACCESS (Dimm, ByteLane), CurrentSeed);
- IDS_HDT_CONSOLE (MEM_FLOW, "%02x ", CurrentSeed);
- }
- } else {
- //10.Multiply the previously saved delay values in Pass 1, step #5 by (target frequency)/400 to find
- //the gross and fine delay initialization values at the target frequency. Use these values as the initial
- //seed values when executing Pass 2, step #4.
- for (ByteLane = 0; ByteLane < TechPtr->DlyTableWidth (); ByteLane++) {
- // This includes ECC as byte 8
- WrDqsDly = ChannelPtr->WrDqsDlys[Dimm * TechPtr->DlyTableWidth () + ByteLane];
- TechPtr->Bytelane = ByteLane;
- NBPtr->FamilySpecificHook[TrainWlPerNibbleSeed] (NBPtr, &WrDqsDly);
-
- if (MCTPtr->Status[SbRegistered]) {
- //
- // For Registered Dimms
- //
- MemClkRegDly = ((RCW2 & BIT0) == 0) ? 0x20 : 0x30;
- } else {
- //
- // Unbuffered Dimms and LRDIMMs
- //
- MemClkRegDly = 0;
- }
- //
- // Recover any adjustmen to delay for WrDqDqsEarly
- //
- WrDqsBias = 0;
- NBPtr->FamilySpecificHook[AdjustWrDqsBeforeSeedScaling] (NBPtr, &WrDqsBias);
-
- // Scale WrDqsDly to the next speed
- WrDqsDly = (UINT16) (MemClkRegDly + ((((INT32) WrDqsDly - MemClkRegDly - WrDqsBias) * Speed) / TechPtr->PrevSpeed));
-
- ChannelPtr->WrDqsDlys[Dimm * TechPtr->DlyTableWidth () + ByteLane] = (UINT8) WrDqsDly;
-
- if (NBPtr->IsSupported[WLSeedAdjust]) {
- if ((WrDqsDly & 0x20) != 0) {
- // If (SeedGross is odd) then SeedPreGross = 1
- WrDqsDly = (WrDqsDly & 0x1F) | 0x20;
- } else {
- // If (SeedGross is even) then SeedPreGross = 2
- WrDqsDly = (WrDqsDly & 0x1F) | 0x40;
- }
- }
- NBPtr->SetTrainDly (NBPtr, AccessPhRecDly, DIMM_BYTE_ACCESS (Dimm, ByteLane), WrDqsDly);
- IDS_HDT_CONSOLE (MEM_FLOW, "%02x ", WrDqsDly);
- }
- }
- IDS_HDT_CONSOLE (MEM_FLOW, "\n");
-}
-
-/* -----------------------------------------------------------------------------*/
-/**
- *
- * This function begins WL training for a specific DIMM
- *
- * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
- * @param[in] Dimm - DIMM to be trained
- *
- */
-
-VOID
-STATIC
-MemTBeginWLTrain3 (
- IN OUT MEM_TECH_BLOCK *TechPtr,
- IN UINT8 Dimm
- )
-{
- MEM_DATA_STRUCT *MemPtr;
- DIE_STRUCT *MCTPtr;
- MEM_NB_BLOCK *NBPtr;
- UINT8 ByteLane;
- UINT8 Seed;
- UINT8 Delay;
- INT16 Delay16;
-
- NBPtr = TechPtr->NBPtr;
- MemPtr = NBPtr->MemPtr;
- MCTPtr = NBPtr->MCTPtr;
-
- AGESA_TESTPOINT (TpProcMemWlTrainTargetDimm, &(MemPtr->StdHeader));
- // Assert ODT pins for write leveling
- NBPtr->SetBitField (NBPtr, BFWrLvOdtEn, 1);
-
- // Wait 10 MEMCLKs to allow for ODT signal settling.
- NBPtr->WaitXMemClks (NBPtr, 10);
-
- IDS_HDT_CONSOLE (MEM_FLOW, "\t\t\tWrtLvTrEn = 1\n");
- // Program F2x[1, 0]9C_x08[WrtLlTrEn]=1.
- NBPtr->SetBitField (NBPtr, BFWrtLvTrEn, 1);
-
- // Wait 200 MEMCLKs.
- NBPtr->WaitXMemClks (NBPtr, 200);
-
- // Program F2x[1, 0]9C_x08[WrtLlTrEn]=0.
- NBPtr->SetBitField (NBPtr, BFWrtLvTrEn, 0);
-
- // Read from registers F2x[1, 0]9C_x[51:50] and F2x[1, 0]9C_x52 to get the gross and fine Delay settings
- // for the target Dimm and save these values.
- IDS_HDT_CONSOLE (MEM_FLOW, "\t\t\t PRE: ");
- for (ByteLane = 0; ByteLane < (MCTPtr->Status[SbEccDimms] ? 9 : 8); ByteLane++) {
- // This includes ECC as byte 8
- Seed = NBPtr->ChannelPtr->WrDqsDlys[(Dimm * TechPtr->DlyTableWidth ()) + ByteLane];
- Delay = (UINT8)NBPtr->GetTrainDly (NBPtr, AccessPhRecDly, DIMM_BYTE_ACCESS (Dimm, ByteLane));
- IDS_HDT_CONSOLE (MEM_FLOW, "%02x ", Delay);
-
- TechPtr->Bytelane = ByteLane;
- TechPtr->TargetDIMM = Dimm;
- NBPtr->FamilySpecificHook[TrainWlPerNibbleAdjustWLDly] (NBPtr, &Delay);
-
- if (NBPtr->IsSupported[WLSeedAdjust]) {
- // Recover WrDqsGrossDly:
- // WrDqsGrossDly = SeedGross + PhRecGrossDlyByte - SeedPreGross
- if ((Seed & 0x20) != 0) {
- // If (SeedGross is odd) then SeedPreGross = 1
- if ((NBPtr->IsSupported[WLNegativeDelay]) && ((Seed & 0x80) != 0)) {
- // If the seed was negative, save the most negative delay in WLCriticalDelay
- TechPtr->WLCriticalDelay = MIN (TechPtr->WLCriticalDelay, (INT16)Delay - 0x40);
- Delay -= 0x40;
- } else {
- Delay += (Seed & 0xE0) - 0x20;
- }
- } else {
- // If (SeedGross is even) then SeedPreGross = 2
- if (((Seed & 0xE0) == 0) && (Delay < 0x40)) {
- // If SeedGross is 0 and PhRecGrossDlyByte is less than SeedPreGross,
- // we have a negative result and need to program the delay to 0
- if (NBPtr->IsSupported[WLNegativeDelay]) {
- //
- // Save the lowest negative delay value across all Dimms and Bytelanes
- //
- TechPtr->WLCriticalDelay = MIN (TechPtr->WLCriticalDelay, (INT16)Delay - 0x40);
- Delay -= 0x40;
- } else {
- Delay = 0;
- }
- } else {
- if (NBPtr->GetBitField (NBPtr, BFWrDqDqsEarly) != 0) {
- Delay = Delay + (Seed & 0xE0);
- Delay16 = Delay - 0x40;
- Delay = (UINT8)Delay16;
- TechPtr->WLCriticalDelay = MIN (TechPtr->WLCriticalDelay, Delay16);
- } else {
- Delay += (Seed & 0xE0) - 0x40;
- }
- }
- }
- } else if (((Seed >> 5) == 0) && ((Delay >> 5) == 3)) {
- IDS_OPTION_HOOK (IDS_CHECK_NEGATIVE_WL, &Delay, &(TechPtr->NBPtr->MemPtr->StdHeader));
- // If seed has gross delay of 0 and PRE has gross delay of 3,
- // then round the total delay of TxDqs to 0.
- Delay = 0;
- }
-
- if ((!NBPtr->IsSupported[WLNegativeDelay]) && ((Delay > (Seed + 0x20)) || (Seed > (Delay + 0x20)))) {
- //
- // If PRE comes back with more than Seed +/- 0x20, then this is an
- // unexpected condition. Log the condition.
- //
- PutEventLog (AGESA_ERROR, MEM_ERROR_WL_PRE_OUT_OF_RANGE, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, ((Seed << 8) + Delay), &NBPtr->MemPtr->StdHeader);
- }
- NBPtr->SetTrainDly (NBPtr, AccessWrDqsDly, DIMM_BYTE_ACCESS (Dimm, ByteLane), Delay);
- NBPtr->ChannelPtr->WrDqsDlys[(Dimm * TechPtr->DlyTableWidth ()) + ByteLane] = Delay;
- }
-
- IDS_HDT_CONSOLE_DEBUG_CODE (
- IDS_HDT_CONSOLE (MEM_FLOW, "\n\t\t\tWrDqs: ");
- for (ByteLane = 0; ByteLane < (MCTPtr->Status[SbEccDimms] ? 9 : 8); ByteLane++) {
- IDS_HDT_CONSOLE (MEM_FLOW, "%02x ", NBPtr->ChannelPtr->WrDqsDlys[(Dimm * TechPtr->DlyTableWidth ()) + ByteLane]);
- }
- IDS_HDT_CONSOLE (MEM_FLOW, "\n\n");
- );
-
- // Disable write leveling ODT pins
- NBPtr->SetBitField (NBPtr, BFWrLvOdtEn, 0);
-
- // Wait 10 MEMCLKs to allow for ODT signal settling.
- NBPtr->WaitXMemClks (NBPtr, 10);
-
-}
-
-/* -----------------------------------------------------------------------------*/
-/**
- *
- * This function programs register after Phy assisted training is finish.
- *
- * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
- *
- * @return TRUE - No fatal error occurs.
- * @return FALSE - Fatal error occurs.
- */
-
-BOOLEAN
-MemTExitPhyAssistedTrainingClient3 (
- IN OUT MEM_TECH_BLOCK *TechPtr
- )
-{
- MEM_NB_BLOCK *NBPtr;
- UINT8 Dct;
- UINT8 ChipSel;
- NBPtr = TechPtr->NBPtr;
-
- NBPtr->FamilySpecificHook[ReEnablePhyComp] (NBPtr, NBPtr);
- NBPtr->BrdcstSet (NBPtr, BFRxPtrInitReq, 1);
- NBPtr->PollBitField (NBPtr, BFRxPtrInitReq, 0, PCI_ACCESS_TIMEOUT, TRUE);
- NBPtr->BrdcstSet (NBPtr, BFDisDllShutdownSR, 1);
- NBPtr->BrdcstSet (NBPtr, BFEnterSelfRef, 1);
- NBPtr->PollBitField (NBPtr, BFEnterSelfRef, 0, PCI_ACCESS_TIMEOUT, TRUE);
- IDS_HDT_CONSOLE (MEM_FLOW, "\tMemClkAlign = 2\n");
- NBPtr->BrdcstSet (NBPtr, BFDbeGskMemClkAlignMode, 2);
- NBPtr->BrdcstSet (NBPtr, BFExitSelfRef, 1);
- NBPtr->PollBitField (NBPtr, BFExitSelfRef, 0, PCI_ACCESS_TIMEOUT, TRUE);
- if (NBPtr->IsSupported[SetDllShutDown]) {
- NBPtr->BrdcstSet (NBPtr, BFDisDllShutdownSR, 0);
- }
-
- // Calculate Max Latency for both channels to prepare for position training
- for (Dct = 0; Dct < NBPtr->DctCount; Dct++) {
- IDS_HDT_CONSOLE (MEM_STATUS, "\tDct %d\n", Dct);
- NBPtr->SwitchDCT (NBPtr, Dct);
- if (TechPtr->FindMaxDlyForMaxRdLat (TechPtr, &ChipSel)) {
- NBPtr->SetMaxLatency (NBPtr, TechPtr->MaxDlyForMaxRdLat);
- }
- }
- return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL);
-}