VOID
MemNBeforeDQSTrainingHy (
IN OUT MEM_NB_BLOCK *NBPtr
)
{
UINT8 Dct;
UINT8 ChipSel;
UINT32 TestAddrRJ16;
UINT32 RealAddr;
MemTBeginTraining (NBPtr->TechPtr);
for (Dct = 0; Dct < NBPtr->DctCount; Dct++) {
MemNSwitchDCTNb (NBPtr, Dct);
if (NBPtr->DCTPtr->Timings.DctMemSize != 0) {
for (ChipSel = 0; ChipSel < MAX_CS_PER_CHANNEL; ChipSel += 2) {
if (MemNGetMCTSysAddrNb (NBPtr, ChipSel, &TestAddrRJ16)) {
RealAddr = MemUSetUpperFSbase (TestAddrRJ16, NBPtr->MemPtr);
MemUDummyCLRead (RealAddr);
MemNSetBitFieldNb (NBPtr, BFErr350, 0x8000);
MemUWait10ns (60, NBPtr->MemPtr); // Wait 300ns
MemNSetBitFieldNb (NBPtr, BFErr350, 0x0000);
MemUWait10ns (400, NBPtr->MemPtr); // Wait 2us
MemUProcIOClFlush (TestAddrRJ16, 1, NBPtr->MemPtr);
break;
}
}
}
if (NBPtr->IsSupported[CheckEccDLLPwrDnConfig]) {
if (!NBPtr->MCTPtr->Status[SbEccDimms]) {
MemNSetBitFieldNb (NBPtr, BFEccDLLPwrDnConf, 0x0010);
}
if (NBPtr->DCTPtr->Timings.Dimmx4Present == 0) {
MemNSetBitFieldNb (NBPtr, BFEccDLLConf, 0x0080);
}
}
}
MemTEndTraining (NBPtr->TechPtr);
MemNSetBitFieldNb (NBPtr, BFDisDatMsk, 1);
}
VOID
MemNBeforeDQSTrainingON (
IN OUT MEM_NB_BLOCK *NBPtr
)
{
MemTBeginTraining (NBPtr->TechPtr);
MemNSetBitFieldNb (NBPtr, BFDisAutoRefresh, 1);
MemNSetBitFieldNb (NBPtr, BFZqcsInterval, 0);
MemNSetBitFieldNb (NBPtr, BFRxMaxDurDllNoLock, 0);
MemNSetBitFieldNb (NBPtr, BFTxMaxDurDllNoLock, 0);
MemNSetBitFieldNb (NBPtr, BFEnRxPadStandby, 0);
MemNSetBitFieldNb (NBPtr, BFPrefCpuDis, 1);
MemNSetBitFieldNb (NBPtr, BFDctWrLimit, 0x1F);
MemNSetBitFieldNb (NBPtr, BFEnCpuSerRdBehindNpIoWr, 1);
MemNSetBitFieldNb (NBPtr, BFDbeGskMemClkAlignMode, 0);
MemNSetBitFieldNb (NBPtr, BFMaxLatency, 0x12);
MemNSetBitFieldNb (NBPtr, BFTraceModeEn, 0);
// Enable cut through mode for NB P0
MemNSetBitFieldNb (NBPtr, BFDisCutThroughMode, 0);
MemTEndTraining (NBPtr->TechPtr);
}
/**
*
* This function executes receiver enable training for a specific die
*
* @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
* @param[in] Pass - Pass of the receiver training
*
* @return TRUE - No fatal error occurs.
* @return FALSE - Fatal error occurs.
*/
BOOLEAN
STATIC
MemTDqsTrainOptRcvrEnSw (
IN OUT MEM_TECH_BLOCK *TechPtr,
IN UINT8 Pass
)
{
_16BYTE_ALIGN UINT8 PatternBuffer[6 * 64];
UINT8 TestBuffer[256];
UINT8 *PatternBufPtr[6];
UINT8 *TempPtr;
UINT32 TestAddrRJ16[4];
UINT32 TempAddrRJ16;
UINT32 RealAddr;
UINT16 CurTest[4];
UINT8 Dct;
UINT8 Receiver;
UINT8 i;
UINT8 TimesFail;
UINT8 TimesRetrain;
UINT16 RcvrEnDly;
UINT16 MaxRcvrEnDly;
UINT16 RcvrEnDlyLimit;
UINT16 MaxDelayCha;
BOOLEAN IsDualRank;
BOOLEAN S0En;
BOOLEAN S1En;
MEM_DATA_STRUCT *MemPtr;
DIE_STRUCT *MCTPtr;
DCT_STRUCT *DCTPtr;
MEM_NB_BLOCK *NBPtr;
NBPtr = TechPtr->NBPtr;
MemPtr = NBPtr->MemPtr;
MCTPtr = NBPtr->MCTPtr;
TechPtr->TrainingType = TRN_RCVR_ENABLE;
TempAddrRJ16 = 0;
TempPtr = NULL;
MaxDelayCha = 0;
TimesRetrain = DEFAULT_TRAINING_TIMES;
IDS_OPTION_HOOK (IDS_MEM_RETRAIN_TIMES, &TimesRetrain, &MemPtr->StdHeader);
IDS_HDT_CONSOLE (MEM_STATUS, "\nStart Optimized SW RxEn training\n");
// Set environment settings before training
MemTBeginTraining (TechPtr);
PatternBufPtr[0] = PatternBufPtr[2] = PatternBuffer;
// These two patterns used for first Test Address
MemUFillTrainPattern (TestPattern0, PatternBufPtr[0], 64);
// Second Cacheline used for Dummy Read is the inverse of
// the first so that is is not mistaken for the real read
MemUFillTrainPattern (TestPattern1, PatternBufPtr[0] + 64, 64);
PatternBufPtr[1] = PatternBufPtr[3] = PatternBufPtr[0] + 128;
// These two patterns used for second Test Address
MemUFillTrainPattern (TestPattern1, PatternBufPtr[1], 64);
// Second Cacheline used for Dummy Read is the inverse of
// the first so that is is not mistaken for the real read
MemUFillTrainPattern (TestPattern0, PatternBufPtr[1] + 64, 64);
// Fill pattern for flush after every sweep
PatternBufPtr[4] = PatternBufPtr[0] + 256;
MemUFillTrainPattern (TestPattern3, PatternBufPtr[4], 64);
// Fill pattern for initial dummy read
PatternBufPtr[5] = PatternBufPtr[0] + 320;
MemUFillTrainPattern (TestPattern4, PatternBufPtr[5], 64);
// Begin receiver enable training
AGESA_TESTPOINT (TpProcMemReceiverEnableTraining, &(MemPtr->StdHeader));
for (Dct = 0; Dct < NBPtr->DctCount; Dct++) {
IDS_HDT_CONSOLE (MEM_STATUS, "\tDct %d\n", Dct);
NBPtr->SwitchDCT (NBPtr, Dct);
DCTPtr = NBPtr->DCTPtr;
// Set training bit
NBPtr->SetBitField (NBPtr, BFDqsRcvEnTrain, 1);
// Relax Max Latency before training
NBPtr->SetMaxLatency (NBPtr, 0xFFFF);
if (Pass == FIRST_PASS) {
TechPtr->InitDQSPos4RcvrEn (TechPtr);
}
// there are four receiver pairs, loosely associated with chipselects.
Receiver = DCTPtr->Timings.CsEnabled ? 0 : 8;
for (; Receiver < 8; Receiver += 2) {
S0En = NBPtr->GetSysAddr (NBPtr, Receiver, &TestAddrRJ16[0]);
S1En = NBPtr->GetSysAddr (NBPtr, Receiver + 1, &TestAddrRJ16[2]);
if (S0En) {
TestAddrRJ16[1] = TestAddrRJ16[0] + BIGPAGE_X8_RJ16;
}
if (S1En) {
TestAddrRJ16[3] = TestAddrRJ16[2] + BIGPAGE_X8_RJ16;
}
if (S0En && S1En) {
IsDualRank = TRUE;
} else {
IsDualRank = FALSE;
}
if (S0En || S1En) {
IDS_HDT_CONSOLE (MEM_STATUS, "\t\tCS %d\n", Receiver);
RcvrEnDlyLimit = 0x1FF; // @attention - limit depends on proc type
TechPtr->DqsRcvEnSaved = 0;
RcvrEnDly = RcvrEnDlyLimit;
RealAddr = 0;
TechPtr->GetFirstPassVal = FALSE;
TechPtr->DqsRcvEnFirstPassVal = 0;
TechPtr->RevertPassVal = FALSE;
TechPtr->InitializeVariablesOpt (TechPtr);
// Write the test patterns
AGESA_TESTPOINT (TpProcMemRcvrWritePattern, &(MemPtr->StdHeader));
IDS_HDT_CONSOLE (MEM_FLOW, "\t\t\tWrite to addresses: ");
for (i = (S0En ? 0 : 2); i < (S1En ? 4 : 2); i++) {
RealAddr = MemUSetUpperFSbase (TestAddrRJ16[i], MemPtr);
// One cacheline of data to be tested and one of dummy data
MemUWriteCachelines (RealAddr, PatternBufPtr[i], 2);
// This is dummy data with a different pattern used for the first dummy read.
MemUWriteCachelines (RealAddr + 128, PatternBufPtr[5], 1);
IDS_HDT_CONSOLE (MEM_FLOW, " %04x0000 ", TestAddrRJ16[i]);
}
IDS_HDT_CONSOLE (MEM_FLOW, "\n");
// Sweep receiver enable delays
AGESA_TESTPOINT (TpProcMemRcvrStartSweep, &(MemPtr->StdHeader));
TimesFail = 0;
ERROR_HANDLE_RETRAIN_BEGIN (TimesFail, TimesRetrain)
{
TechPtr->LoadInitialRcvrEnDlyOpt (TechPtr, Receiver);
while (!TechPtr->CheckRcvrEnDlyLimitOpt (TechPtr)) {
AGESA_TESTPOINT (TpProcMemRcvrSetDelay, &(MemPtr->StdHeader));
TechPtr->SetRcvrEnDlyOpt (TechPtr, Receiver, RcvrEnDly);
// Read and compare the first beat of data
for (i = (S0En ? 0 : 2); i < (S1En ? 4 : 2); i++) {
AGESA_TESTPOINT (TpProcMemRcvrReadPattern, &(MemPtr->StdHeader));
RealAddr = MemUSetUpperFSbase (TestAddrRJ16[i], MemPtr);
//
// Issue dummy cacheline reads
//
MemUReadCachelines (TestBuffer + 128, RealAddr + 128, 1);
MemUReadCachelines (TestBuffer, RealAddr, 1);
MemUProcIOClFlush (TestAddrRJ16[i], 2, MemPtr);
//
// Perform actual read which will be compared
//
MemUReadCachelines (TestBuffer + 64, RealAddr + 64, 1);
AGESA_TESTPOINT (TpProcMemRcvrTestPattern, &(MemPtr->StdHeader));
CurTest[i] = TechPtr->Compare1ClPatternOpt (TechPtr, TestBuffer + 64 , PatternBufPtr[i] + 64, i, Receiver, S1En);
// Due to speculative execution during MemUReadCachelines, we must
// flush one more cache line than we read.
MemUProcIOClFlush (TestAddrRJ16[i], 4, MemPtr);
TechPtr->ResetDCTWrPtr (TechPtr, Receiver);
//
// Swap the test pointers such that even and odd steps alternate.
//
if ((i % 2) == 0) {
TempPtr = PatternBufPtr[i];
PatternBufPtr[i] = PatternBufPtr[i + 1];
TempAddrRJ16 = TestAddrRJ16[i];
TestAddrRJ16[i] = TestAddrRJ16[i + 1];
} else {
PatternBufPtr[i] = TempPtr;
TestAddrRJ16[i] = TempAddrRJ16;
}
}
} // End of delay sweep
ERROR_HANDLE_RETRAIN_END (!TechPtr->SetSweepErrorOpt (TechPtr, Receiver, Dct, TRUE), TimesFail)
}
if (!TechPtr->SetSweepErrorOpt (TechPtr, Receiver, Dct, FALSE)) {
return FALSE;
}
TechPtr->LoadRcvrEnDlyOpt (TechPtr, Receiver); // set final delays
//
// Flush AA and 55 patterns by reading a dummy pattern to fill in FIFO
//
// Aquire a new FSBase, based on the last test address that we stored.
RealAddr = MemUSetUpperFSbase (TempAddrRJ16, MemPtr);
ASSERT (RealAddr != 0);
MemUWriteCachelines (RealAddr, PatternBufPtr[4], 1);
MemUWriteCachelines (RealAddr + 64, PatternBufPtr[4], 1);
MemUReadCachelines (TestBuffer, RealAddr, 2);
// Due to speculative execution during MemUReadCachelines, we must
// flush one more cache line than we read.
MemUProcIOClFlush (TempAddrRJ16, 3, MemPtr);
}
} // End while Receiver < 8
BOOLEAN
STATIC
MemTTrainDQSRdWrEdgeDetect (
IN OUT MEM_TECH_BLOCK *TechPtr
)
{
MEM_DATA_STRUCT *MemPtr;
MEM_NB_BLOCK *NBPtr;
UINT8 WrDqDelay;
UINT8 Dct;
UINT8 CSPerChannel;
UINT8 CsPerDelay;
UINT8 ChipSel;
UINT8 i;
BOOLEAN Status;
UINT8 TimesFail;
UINT8 TimesRetrain;
NBPtr = TechPtr->NBPtr;
MemPtr = NBPtr->MemPtr;
TimesRetrain = DEFAULT_TRAINING_TIMES;
IDS_OPTION_HOOK (IDS_MEM_RETRAIN_TIMES, &TimesRetrain, &MemPtr->StdHeader);
//
// Set environment settings before training
//
IDS_HDT_CONSOLE (MEM_STATUS, "\nStart Read/Write Data Eye Edge Detection.\n");
MemTBeginTraining (TechPtr);
//
// Do Rd DQS /Wr Data Position training for all Dcts/Chipselects
//
for (Dct = 0; Dct < NBPtr->DctCount; Dct++) {
IDS_HDT_CONSOLE (MEM_STATUS, "\tDct %d\n", Dct);
NBPtr->SwitchDCT (NBPtr, Dct);
//
// Chip Select Loop
//
CSPerChannel = NBPtr->CSPerChannel (NBPtr);
CsPerDelay = NBPtr->CSPerDelay (NBPtr);
for (ChipSel = 0; ChipSel < CSPerChannel; ChipSel = ChipSel + CsPerDelay ) {
//
// Init Bit Error Masks
//
LibAmdMemFill (&NBPtr->ChannelPtr->FailingBitMask[ (ChipSel * MAX_BYTELANES_PER_CHANNEL) ],
0xFF,
(MAX_BYTELANES_PER_CHANNEL * CsPerDelay),
&MemPtr->StdHeader);
if ((NBPtr->DCTPtr->Timings.CsEnabled & ((UINT16) 1 << ChipSel)) != 0) {
TechPtr->ChipSel = ChipSel;
IDS_HDT_CONSOLE (MEM_STATUS, "\t\tCS %d\n", ChipSel);
IDS_HDT_CONSOLE (MEM_FLOW, "\t\t\tIncrease WrDat, Train RdDqs:\n");
TechPtr->DqsRdWrPosSaved = 0;
//
// Use a list of Approximate Write Data delay values and train Read DQS Position for
// each until a valid Data eye is found.
//
Status = FALSE;
TimesFail = 0;
ERROR_HANDLE_RETRAIN_BEGIN (TimesFail, TimesRetrain) {
i = 0;
while (NBPtr->GetApproximateWriteDatDelay (NBPtr, i, &WrDqDelay)) {
TechPtr->SmallDqsPosWindow = FALSE;
//
// Set Write Delay approximation
//
TechPtr->Direction = DQS_WRITE_DIR;
IDS_HDT_CONSOLE (MEM_FLOW, "\n\t\t\tWrite Delay: %02x", WrDqDelay);
MemTSetDQSDelayAllCSR (TechPtr, WrDqDelay);
//
// Attempt Read Training
//
TechPtr->Direction = DQS_READ_DIR;
if (MemTTrainDQSEdgeDetect (TechPtr)) {
//
// If Read DQS Training was successful, Train Write Data (DQ) Position
//
TechPtr->DqsRdWrPosSaved = 0;
IDS_HDT_CONSOLE (MEM_FLOW, "\n\t\t\tTrain WrDat:\n\n");
TechPtr->Direction = DQS_WRITE_DIR;
Status = MemTTrainDQSEdgeDetect (TechPtr);
break;
}
i++;
}
ERROR_HANDLE_RETRAIN_END ((Status == FALSE), TimesFail)
}
//
// If we went through the table, Fail.
//
if (Status == FALSE) {
// On training failure, check and record whether training fails due to small window or no window
if (TechPtr->SmallDqsPosWindow) {
NBPtr->MCTPtr->ErrStatus[EsbSmallDqs] = TRUE;
} else {
NBPtr->MCTPtr->ErrStatus[EsbNoDqsPos] = TRUE;
}
SetMemError (AGESA_ERROR, NBPtr->MCTPtr);
if (TechPtr->Direction == DQS_READ_DIR) {
PutEventLog (AGESA_ERROR, MEM_ERROR_NO_DQS_POS_RD_WINDOW, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader);
} else {
PutEventLog (AGESA_ERROR, MEM_ERROR_NO_DQS_POS_WR_WINDOW, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader);
}
NBPtr->DCTPtr->Timings.CsTrainFail |= (UINT16)1 << ChipSel;
// If the even chip select failed training always fail the odd, if present.
if ((ChipSel & 0x01) == 0) {
if (NBPtr->DCTPtr->Timings.CsPresent & ((UINT16)1 << (ChipSel + 1))) {
NBPtr->DCTPtr->Timings.CsTrainFail |= (UINT16)1 << (ChipSel + 1);
}
}
NBPtr->MemPtr->ErrorHandling (NBPtr->MCTPtr, NBPtr->Dct, NBPtr->DCTPtr->Timings.CsTrainFail, &NBPtr->MemPtr->StdHeader);
}
} else {
/**
*
* This function executes receiver enable training for a specific die
*
* @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
* @param[in] Pass - Pass of the receiver training
*
* @return TRUE - No fatal error occurs.
* @return FALSE - Fatal error occurs.
*/
BOOLEAN
STATIC
MemTDqsTrainRcvrEnSw (
IN OUT MEM_TECH_BLOCK *TechPtr,
IN UINT8 Pass
)
{
_16BYTE_ALIGN UINT8 PatternBuffer[3 * 64];
UINT8 TestBuffer[120];
UINT8 *PatternBufPtr[4];
UINT8 *TempPtr;
UINT32 TestAddrRJ16[4];
UINT32 TempAddrRJ16;
UINT32 RealAddr;
UINT16 CurTest[4];
UINT8 Dct;
UINT8 Receiver;
UINT8 i;
UINT8 TimesFail;
UINT8 TimesRetrain;
UINT16 RcvrEnDly;
UINT16 MaxRcvrEnDly;
UINT16 RcvrEnDlyLimit;
UINT16 MaxDelayCha;
BOOLEAN IsDualRank;
BOOLEAN S0En;
BOOLEAN S1En;
UINT8 MaxFilterDly;
MEM_DATA_STRUCT *MemPtr;
DIE_STRUCT *MCTPtr;
DCT_STRUCT *DCTPtr;
MEM_NB_BLOCK *NBPtr;
NBPtr = TechPtr->NBPtr;
MemPtr = NBPtr->MemPtr;
MCTPtr = NBPtr->MCTPtr;
TempAddrRJ16 = 0;
TempPtr = NULL;
MaxDelayCha = 0;
MaxFilterDly = TechPtr->MaxFilterDly;
RcvrEnDlyLimit = NBPtr->RcvrEnDlyLimit;
TimesRetrain = DEFAULT_TRAINING_TIMES;
IDS_OPTION_HOOK (IDS_MEM_RETRAIN_TIMES, &TimesRetrain, &MemPtr->StdHeader);
IDS_HDT_CONSOLE ("!\nStart SW RxEn training\n");
// Set environment settings before training
MemTBeginTraining (TechPtr);
PatternBufPtr[0] = PatternBufPtr[2] = PatternBuffer;
MemUFillTrainPattern (TestPattern0, PatternBufPtr[0], 64);
PatternBufPtr[1] = PatternBufPtr[3] = PatternBufPtr[0] + 128;
MemUFillTrainPattern (TestPattern1, PatternBufPtr[1], 64);
// Begin receiver enable training
AGESA_TESTPOINT (TpProcMemReceiverEnableTraining, &(MemPtr->StdHeader));
MaxRcvrEnDly = 0;
for (Dct = 0; Dct < NBPtr->DctCount; Dct++) {
IDS_HDT_CONSOLE ("!\tDct %d\n", Dct);
NBPtr->SwitchDCT (NBPtr, Dct);
DCTPtr = NBPtr->DCTPtr;
// Set training bit
NBPtr->SetBitField (NBPtr, BFDqsRcvEnTrain, 1);
// Relax Max Latency before training
NBPtr->SetMaxLatency (NBPtr, 0xFFFF);
if (Pass == FIRST_PASS) {
TechPtr->InitDQSPos4RcvrEn (TechPtr);
}
// there are four receiver pairs, loosely associated with chipselects.
Receiver = DCTPtr->Timings.CsEnabled ? 0 : 8;
for (; Receiver < 8; Receiver += 2) {
TechPtr->DqsRcvEnSaved = 0;
RcvrEnDly = RcvrEnDlyLimit;
S0En = NBPtr->GetSysAddr (NBPtr, Receiver, &TestAddrRJ16[0]);
S1En = NBPtr->GetSysAddr (NBPtr, Receiver + 1, &TestAddrRJ16[2]);
if (S0En) {
TestAddrRJ16[1] = TestAddrRJ16[0] + BIGPAGE_X8_RJ16;
}
if (S1En) {
TestAddrRJ16[3] = TestAddrRJ16[2] + BIGPAGE_X8_RJ16;
}
if (S0En && S1En) {
IsDualRank = TRUE;
} else {
IsDualRank = FALSE;
}
if (S0En || S1En) {
IDS_HDT_CONSOLE ("!\t\tCS %d\n", Receiver);
// Write the test patterns
AGESA_TESTPOINT (TpProcMemRcvrWritePattern, &(MemPtr->StdHeader));
IDS_HDT_CONSOLE ("\t\t\tWrite to addresses: ");
for (i = (S0En ? 0 : 2); i < (S1En ? 4 : 2); i++) {
RealAddr = MemUSetUpperFSbase (TestAddrRJ16[i], MemPtr);
MemUWriteCachelines (RealAddr, PatternBufPtr[i], 1);
IDS_HDT_CONSOLE (" %04lx0000 ", TestAddrRJ16[i]);
}
IDS_HDT_CONSOLE ("\n");
// Initialize RcvrEnDly value and other DCT stored values
// MCTPtr->DqsRcvEnPass = Pass ? 0xFF : 0;
// Sweep receiver enable delays
AGESA_TESTPOINT (TpProcMemRcvrStartSweep, &(MemPtr->StdHeader));
TimesFail = 0;
ERROR_HANDLE_RETRAIN_BEGIN (TimesFail, TimesRetrain)
{
for (RcvrEnDly = 0; RcvrEnDly < RcvrEnDlyLimit; RcvrEnDly++) {
AGESA_TESTPOINT (TpProcMemRcvrSetDelay, &(MemPtr->StdHeader));
TechPtr->SetRcvrEnDly (TechPtr, Receiver, RcvrEnDly);
IDS_HDT_CONSOLE ("\t\t\tDly %3x", RcvrEnDly);
// Read and compare the first beat of data
for (i = (S0En ? 0 : 2); i < (S1En ? 4 : 2); i++) {
AGESA_TESTPOINT (TpProcMemRcvrReadPattern, &(MemPtr->StdHeader));
RealAddr = MemUSetUpperFSbase (TestAddrRJ16[i], MemPtr);
MemUReadCachelines (TestBuffer, RealAddr, 1);
AGESA_TESTPOINT (TpProcMemRcvrTestPattern, &(MemPtr->StdHeader));
CurTest[i] = TechPtr->Compare1ClPattern (TechPtr, TestBuffer, PatternBufPtr[i]);
// Due to speculative execution during MemUReadCachelines, we must
// flush one more cache line than we read.
MemUProcIOClFlush (TestAddrRJ16[i], 2, MemPtr);
TechPtr->ResetDCTWrPtr (TechPtr, Receiver);
//
// Swap the test pointers such that even and odd steps alternate.
//
if ((i % 2) == 0) {
TempPtr = PatternBufPtr[i];
PatternBufPtr[i] = PatternBufPtr[i + 1];
TempAddrRJ16 = TestAddrRJ16[i];
TestAddrRJ16[i] = TestAddrRJ16[i + 1];
} else {
PatternBufPtr[i] = TempPtr;
TestAddrRJ16[i] = TempAddrRJ16;
}
}
if (TechPtr->SaveRcvrEnDly (TechPtr, Receiver, RcvrEnDly, S0En ? (CurTest[0] & CurTest[1]) : 0xFFFF, S1En ? (CurTest[2] & CurTest[3]) : 0xFFFF)) {
// if all bytelanes pass
if (MaxRcvrEnDly < (RcvrEnDly - MaxFilterDly)) {
MaxRcvrEnDly = RcvrEnDly - MaxFilterDly;
}
break;
}
} // End of delay sweep
ERROR_HANDLE_RETRAIN_END ((RcvrEnDly > (RcvrEnDlyLimit - 1)), TimesFail)
}
if (RcvrEnDly == RcvrEnDlyLimit) {
// no passing window
PutEventLog (AGESA_ERROR, MEM_ERROR_RCVR_EN_NO_PASSING_WINDOW_EQUAL_LIMIT, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader);
SetMemError (AGESA_ERROR, MCTPtr);
}
if (RcvrEnDly > (RcvrEnDlyLimit - 1)) {
// passing window too narrow, too far delayed
PutEventLog (AGESA_ERROR, MEM_ERROR_RCVR_EN_VALUE_TOO_LARGE_LIMIT_LESS_ONE, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader);
SetMemError (AGESA_ERROR, MCTPtr);
DCTPtr->Timings.CsTrainFail |= DCTPtr->Timings.CsPresent & (UINT16) (3 << Receiver);
MCTPtr->ChannelTrainFail |= (UINT32)1 << Dct;
if (!NBPtr->MemPtr->ErrorHandling (MCTPtr, NBPtr->Dct, DCTPtr->Timings.CsTrainFail, &NBPtr->MemPtr->StdHeader)) {
return FALSE;
}
}
}
TechPtr->LoadRcvrEnDly (TechPtr, Receiver); // set final delays
} // End while Receiver < 8
// Clear training bit when done
NBPtr->SetBitField (NBPtr, BFDqsRcvEnTrain, 0);
// Set Max Latency for both channels
MaxRcvrEnDly += 0x20; // @attention -
IDS_HDT_CONSOLE ("\t\tMaxRcvrEnDly: %03x\n", MaxRcvrEnDly);
if (MCTPtr->GangedMode) {
if (Dct == 0) {
MaxDelayCha = MaxRcvrEnDly;
} else if (MaxRcvrEnDly > MaxDelayCha) {
NBPtr->SwitchDCT (NBPtr, 0);
NBPtr->SetMaxLatency (NBPtr, MaxRcvrEnDly);
}
} else {
NBPtr->SetMaxLatency (NBPtr, MaxRcvrEnDly);
}
TechPtr->ResetDCTWrPtr (TechPtr, 6);
}
BOOLEAN
MemTTrainMaxLatency (
IN OUT MEM_TECH_BLOCK *TechPtr
)
{
UINT32 TestAddrRJ16;
UINT8 Dct;
UINT8 ChipSel;
UINT8 *PatternBufPtr;
UINT8 *TestBufferPtr;
UINT8 CurrentNbPstate;
UINT16 CalcMaxLatDly;
UINT16 MaxLatDly;
UINT16 MaxLatLimit;
UINT16 Margin;
UINT16 CurTest;
UINT16 _CL_;
UINT8 TimesFail;
UINT8 TimesRetrain;
UINT16 i;
MEM_DATA_STRUCT *MemPtr;
DIE_STRUCT *MCTPtr;
MEM_NB_BLOCK *NBPtr;
NBPtr = TechPtr->NBPtr;
MCTPtr = NBPtr->MCTPtr;
MemPtr = NBPtr->MemPtr;
TechPtr->TrainingType = TRN_MAX_READ_LATENCY;
TimesRetrain = DEFAULT_TRAINING_TIMES;
IDS_OPTION_HOOK (IDS_MEM_RETRAIN_TIMES, &TimesRetrain, &MemPtr->StdHeader);
IDS_HDT_CONSOLE (MEM_STATUS, "\nStart MaxRdLat training\n");
// Set environment settings before training
AGESA_TESTPOINT (TpProcMemMaxRdLatencyTraining, &(MemPtr->StdHeader));
MemTBeginTraining (TechPtr);
//
// Initialize the Training Pattern
//
if (AGESA_SUCCESS != NBPtr->TrainingPatternInit (NBPtr)) {
return (BOOLEAN) (MCTPtr->ErrCode < AGESA_FATAL);
}
TechPtr->PatternLength = (MCTPtr->Status[Sb128bitmode]) ? 6 : 3;
//
// Setup hardware training engine (if applicable)
//
NBPtr->FamilySpecificHook[SetupHwTrainingEngine] (NBPtr, &TechPtr->TrainingType);
MaxLatDly = 0;
_CL_ = TechPtr->PatternLength;
PatternBufPtr = TechPtr->PatternBufPtr;
TestBufferPtr = TechPtr->TestBufPtr;
//
// Begin max latency training
//
for (Dct = 0; Dct < NBPtr->DctCount; Dct++) {
if (MCTPtr->Status[Sb128bitmode] && (Dct != 0)) {
break;
}
IDS_HDT_CONSOLE (MEM_STATUS, "\tDct %d\n", Dct);
NBPtr->SwitchDCT (NBPtr, Dct);
if (NBPtr->DCTPtr->Timings.DctMemSize != 0) {
if (TechPtr->FindMaxDlyForMaxRdLat (TechPtr, &ChipSel)) {
TechPtr->ChipSel = ChipSel;
if (NBPtr->GetSysAddr (NBPtr, ChipSel, &TestAddrRJ16)) {
IDS_HDT_CONSOLE (MEM_STATUS, "\t\tCS %d\n", ChipSel);
IDS_HDT_CONSOLE (MEM_FLOW, "\t\t\tWrite to address: %04x0000\n", TestAddrRJ16);
// Write the test patterns
AGESA_TESTPOINT (TpProcMemMaxRdLatWritePattern, &(MemPtr->StdHeader));
NBPtr->WritePattern (NBPtr, TestAddrRJ16, PatternBufPtr, _CL_);
// Sweep max latency delays
NBPtr->getMaxLatParams (NBPtr, TechPtr->MaxDlyForMaxRdLat, &CalcMaxLatDly, &MaxLatLimit, &Margin);
AGESA_TESTPOINT (TpProcMemMaxRdLatStartSweep, &(MemPtr->StdHeader));
TimesFail = 0;
ERROR_HANDLE_RETRAIN_BEGIN (TimesFail, TimesRetrain)
{
MaxLatDly = CalcMaxLatDly;
for (i = 0; i < (MaxLatLimit - CalcMaxLatDly); i++) {
NBPtr->SetBitField (NBPtr, BFMaxLatency, MaxLatDly);
IDS_HDT_CONSOLE (MEM_FLOW, "\t\t\tDly %3x", MaxLatDly);
TechPtr->ResetDCTWrPtr (TechPtr, 6);
AGESA_TESTPOINT (TpProcMemMaxRdLatReadPattern, &(MemPtr->StdHeader));
NBPtr->ReadPattern (NBPtr, TestBufferPtr, TestAddrRJ16, _CL_);
AGESA_TESTPOINT (TpProcMemMaxRdLatTestPattern, &(MemPtr->StdHeader));
CurTest = NBPtr->CompareTestPattern (NBPtr, TestBufferPtr, PatternBufPtr, _CL_ * 64);
NBPtr->FlushPattern (NBPtr, TestAddrRJ16, _CL_);
if (NBPtr->IsSupported[ReverseMaxRdLatTrain]) {
// Reverse training decrements MaxLatDly whenever the test passes
// and uses the last passing MaxLatDly as left edge
if (CurTest == 0xFFFF) {
IDS_HDT_CONSOLE (MEM_FLOW, " P");
if (MaxLatDly == 0) {
break;
} else {
MaxLatDly--;
}
}
} else {
// Traditional training increments MaxLatDly until the test passes
// and uses it as left edge
if (CurTest == 0xFFFF) {
IDS_HDT_CONSOLE (MEM_FLOW, " P");
break;
} else {
MaxLatDly++;
}
}
IDS_HDT_CONSOLE (MEM_FLOW, "\n");
} // End of delay sweep
ERROR_HANDLE_RETRAIN_END ((MaxLatDly >= MaxLatLimit), TimesFail)
}
AGESA_TESTPOINT (TpProcMemMaxRdLatSetDelay, &(MemPtr->StdHeader));
if (MaxLatDly >= MaxLatLimit) {
PutEventLog (AGESA_ERROR, MEM_ERROR_MAX_LAT_NO_WINDOW, NBPtr->Node, NBPtr->Dct, NBPtr->Channel, 0, &NBPtr->MemPtr->StdHeader);
SetMemError (AGESA_ERROR, MCTPtr);
NBPtr->DCTPtr->Timings.CsTrainFail |= NBPtr->DCTPtr->Timings.CsPresent;
MCTPtr->ChannelTrainFail |= (UINT32)1 << Dct;
if (!NBPtr->MemPtr->ErrorHandling (MCTPtr, NBPtr->Dct, EXCLUDE_ALL_CHIPSEL, &NBPtr->MemPtr->StdHeader)) {
ASSERT (FALSE);
return FALSE;
}
} else {
NBPtr->FamilySpecificHook[AddlMaxRdLatTrain] (NBPtr, &TestAddrRJ16);
MaxLatDly = MaxLatDly + Margin;
if (NBPtr->IsSupported[ReverseMaxRdLatTrain]) {
MaxLatDly++; // Add 1 to get back to the last passing value
}
// Set final delays
CurrentNbPstate = (UINT8) MemNGetBitFieldNb (NBPtr, BFCurNbPstate);
ASSERT (CurrentNbPstate <= 3);
NBPtr->ChannelPtr->DctMaxRdLat [CurrentNbPstate] = MaxLatDly;
NBPtr->SetBitField (NBPtr, BFMaxLatency, MaxLatDly);
IDS_HDT_CONSOLE (MEM_FLOW, "\t\tFinal MaxRdLat: %03x\n", MaxLatDly);
}
}
}
