blob: 1e9776aaf1988f381ffd0bfa4310455840da1215 [file] [log] [blame]
/* $NoKeywords:$ */
/**
* @file
*
* mttoptsrc.c
*
* New Technology Software based DQS receiver enable training
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: (Mem/Tech)
* @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $
*
**/
/*****************************************************************************
*
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*/
/*
*----------------------------------------------------------------------------
* MODULES USED
*
*----------------------------------------------------------------------------
*/
#include "AGESA.h"
#include "AdvancedApi.h"
#include "Ids.h"
#include "mm.h"
#include "mn.h"
#include "mu.h"
#include "mt.h"
#include "merrhdl.h"
#include "Filecode.h"
CODE_GROUP (G1_PEICC)
RDATA_GROUP (G1_PEICC)
#define FILECODE PROC_MEM_TECH_MTTOPTSRC_FILECODE
/*----------------------------------------------------------------------------
* DEFINITIONS AND MACROS
*
*----------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------
* TYPEDEFS AND STRUCTURES
*
*----------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------
* PROTOTYPES OF LOCAL FUNCTIONS
*
*----------------------------------------------------------------------------
*/
BOOLEAN
STATIC
MemTDqsTrainOptRcvrEnSw (
IN OUT MEM_TECH_BLOCK *TechPtr,
IN UINT8 Pass
);
BOOLEAN
MemTNewRevTrainingSupport (
IN OUT MEM_TECH_BLOCK *TechPtr
)
{
return TRUE;
}
/*----------------------------------------------------------------------------
* EXPORTED FUNCTIONS
*
*----------------------------------------------------------------------------
*/
/* -----------------------------------------------------------------------------*/
/**
*
* This function executes first pass of receiver enable training for all dies
*
* @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
*
* @return TRUE - No fatal error occurs.
* @return FALSE - Fatal error occurs.
*/
BOOLEAN
MemTTrainOptRcvrEnSwPass1 (
IN OUT MEM_TECH_BLOCK *TechPtr
)
{
return MemTDqsTrainOptRcvrEnSw (TechPtr, 1);
}
/*----------------------------------------------------------------------------
* LOCAL FUNCTIONS
*
*----------------------------------------------------------------------------
*/
/* -----------------------------------------------------------------------------*/
/**
*
* 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
// Clear training bit when done
NBPtr->SetBitField (NBPtr, BFDqsRcvEnTrain, 0);
// Set Max Latency for both channels
MaxRcvrEnDly = TechPtr->GetMaxValueOpt (TechPtr);
IDS_HDT_CONSOLE (MEM_FLOW, "\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);
}
// Restore environment settings after training
MemTEndTraining (TechPtr);
IDS_HDT_CONSOLE (MEM_FLOW, "End Optimized SW RxEn training\n\n");
return (BOOLEAN) (MCTPtr->ErrCode < AGESA_FATAL);
}
/*-----------------------------------------------------------------------------
*
* This function saves passing DqsRcvEnDly values to the stack
*
* @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
* @param[in] Receiver - Current Chip select value
* @param[in] RcvEnDly - receiver enable delay to be saved
* @param[in] cmpResultRank0 - compare result for Rank 0
* @param[in] cmpResultRank0 - compare result for Rank 1
*
* @retval TRUE - All bytelanes pass
* FALSE - Some bytelanes fail
* ----------------------------------------------------------------------------
*/
BOOLEAN
MemTSaveRcvrEnDlyByteFilterOpt (
IN OUT MEM_TECH_BLOCK *TechPtr,
IN UINT8 Receiver,
IN UINT16 RcvEnDly,
IN UINT16 CmpResultRank0,
IN UINT16 CmpResultRank1
)
{
UINT8 i;
UINT8 Passed;
UINT8 Dimm;
CH_DEF_STRUCT *ChannelPtr;
ASSERT (Receiver < MAX_CS_PER_CHANNEL);
ChannelPtr = TechPtr->NBPtr->ChannelPtr;
Passed = (UINT8) ((CmpResultRank0 & CmpResultRank1) & 0xFF);
Dimm = Receiver >> 1;
if (TechPtr->GetFirstPassVal && (RcvEnDly - TechPtr->DqsRcvEnFirstPassVal) >= 0x30) {
for (i = 0; i < 8; i++) {
ChannelPtr->RcvEnDlys[Dimm * TechPtr->DlyTableWidth () + i] = TechPtr->DqsRcvEnFirstPassVal + NEW_RECEIVER_FINAL_OFFSETVALUE;
}
TechPtr->DqsRcvEnSaved = 0xFF;
}
if (Passed == 0xFF) {
if (!TechPtr->GetFirstPassVal) {
TechPtr->DqsRcvEnFirstPassVal = RcvEnDly;
TechPtr->GetFirstPassVal = TRUE;
}
return TRUE;
} else {
TechPtr->DqsRcvEnFirstPassVal = 0;
// We have got first passing value, but later, we meet with glitch
if (TechPtr->GetFirstPassVal) {
TechPtr->DqsRcvEnFirstPassVal = 0xFF;
TechPtr->GetFirstPassVal = FALSE;
}
return FALSE;
}
}