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/* $NoKeywords:$ */
/**
* @file
*
* mrtrci3.c
*
* Technology Control word initialization for DDR3 Recovery
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: (Proc/Recovery/Mem)
* @e \$Revision: 44324 $ @e \$Date: 2010-12-22 17:16:51 +0800 (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 "OptionMemory.h"
#include "Ids.h"
#include "mm.h"
#include "mn.h"
#include "mru.h"
#include "mt.h"
#include "Filecode.h"
CODE_GROUP (G2_PEI)
RDATA_GROUP (G2_PEI)
#define FILECODE PROC_RECOVERY_MEM_TECH_DDR3_MRTRCI3_FILECODE
/*----------------------------------------------------------------------------
* DEFINITIONS AND MACROS
*
*----------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------
* TYPEDEFS AND STRUCTURES
*
*----------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------
* PROTOTYPES OF LOCAL FUNCTIONS
*
*----------------------------------------------------------------------------
*/
UINT8
STATIC
MemRecTGetCtlWord3 (
IN OUT MEM_TECH_BLOCK *TechPtr,
IN UINT8 CtrlWordNum
);
VOID
STATIC
MemRecTSendCtlWord3 (
IN OUT MEM_TECH_BLOCK *TechPtr,
IN UINT8 CmdNum,
IN UINT8 Value
);
/*----------------------------------------------------------------------------
* EXPORTED FUNCTIONS
*
*----------------------------------------------------------------------------
*/
/* -----------------------------------------------------------------------------*/
/**
*
* This function sends control words
*
* @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
*
* @return pDCT->Timings.TrwtTO updated
*/
VOID
MemRecTDramControlRegInit3 (
IN OUT MEM_TECH_BLOCK *TechPtr
)
{
UINT8 RCNum;
UINT8 Data;
MEM_DATA_STRUCT *MemPtr;
MEM_NB_BLOCK *NBPtr;
NBPtr = TechPtr->NBPtr;
MemPtr = NBPtr->MemPtr;
// wait 8us TACT must be changed to optimize to 8 MEM CLKs
// and wait 6us for PLL LOCK
MemRecUWait10ns (80 + 60, MemPtr);
// 2. Program F2x[1, 0]A8[CtrlWordCS]=bit mask for target chip selects.
NBPtr->SetBitField (NBPtr, BFCtrlWordCS, 3 << (NBPtr->DimmToBeUsed << 1));
for (RCNum = 0; RCNum <= 15; RCNum++) {
// wait 8us for TMRD, must be changed to optimize to 8 MEM CLKs
MemRecUWait10ns (80, MemPtr);
if ((RCNum != 6) && (RCNum != 7)) {
Data = MemRecTGetCtlWord3 (TechPtr, RCNum);
MemRecTSendCtlWord3 (TechPtr, RCNum, Data);
}
}
MemRecUWait10ns (60, MemPtr); // wait 6us for TSTAB
}
/* -----------------------------------------------------------------------------*/
/**
*
* This function calculates the ControlRC value
*
* @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
* @param[in] CtrlWordNum - control Word number.
*
* @return Control Word value
*/
UINT8
STATIC
MemRecTGetCtlWord3 (
IN OUT MEM_TECH_BLOCK *TechPtr,
IN UINT8 CtrlWordNum
)
{
UINT8 Data;
CH_DEF_STRUCT *ChannelPtr;
ChannelPtr = TechPtr->NBPtr->ChannelPtr;
Data = 0; //Default value for all control words is 0
switch (CtrlWordNum) {
case 0:
Data = 0x02; // DA4=1
break;
case 1:
Data = 0x0C; // if single rank, set DBA1 and DBA0
break;
case 3:
Data = ChannelPtr->CtrlWrd03[TechPtr->NBPtr->DimmToBeUsed];
break;
case 4:
Data = ChannelPtr->CtrlWrd04[TechPtr->NBPtr->DimmToBeUsed];
break;
case 5:
Data = ChannelPtr->CtrlWrd05[TechPtr->NBPtr->DimmToBeUsed];
break;
case 9:
Data = 0x0D;
break;
default:;
}
return (Data&0x0F);
}
/* -----------------------------------------------------------------------------*/
/**
*
* This function sends control word command
*
* @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK
* @param[in] CmdNum - control number.
* @param[in] Value - value to send
*
*/
VOID
STATIC
MemRecTSendCtlWord3 (
IN OUT MEM_TECH_BLOCK *TechPtr,
IN UINT8 CmdNum,
IN UINT8 Value
)
{
MEM_NB_BLOCK *NBPtr;
ASSERT (CmdNum < 16);
ASSERT (Value < 16);
NBPtr = TechPtr->NBPtr;
// 1. Program MrsBank and MrsAddress.
// n = [BA2, A2, A1, A0].
// data = [BA1, BA0, A4, A3].
// Set all other bits in MrsAddress to zero.
//
NBPtr->SetBitField (NBPtr, BFMrsBank, ((CmdNum&8) >> 1) | (Value >> 2));
NBPtr->SetBitField (NBPtr, BFMrsAddress, ((Value&3) << 3) | (CmdNum&7));
IDS_HDT_CONSOLE (MEM_FLOW, "\t\tCS%d RC%02d %04x\n",
(NBPtr->GetBitField (NBPtr, BFDramInitRegReg) >> 20) & 0xF,
((NBPtr->GetBitField (NBPtr, BFDramInitRegReg) >> 15) & 8) |
(NBPtr->GetBitField (NBPtr, BFDramInitRegReg) & 7),
((NBPtr->GetBitField (NBPtr, BFDramInitRegReg) >> 14) & 0xC) |
((NBPtr->GetBitField (NBPtr, BFDramInitRegReg) >> 3) & 3));
// 2.Set SendCtrlWord=1
NBPtr->SetBitField (NBPtr, BFSendCtrlWord, 1);
// 3.Wait for BFSendCtrlWord=0
while (NBPtr->GetBitField (NBPtr, BFSendCtrlWord) != 0) {}
}
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