src/vendorcode/amd/agesa/f12/Proc/Recovery/Mem/NB/LN/mrnmctln.c

/* $NoKeywords:$ */
/**
 * @file
 *
 * mrnmctln.c
 *
 * Northbridge LN MCT supporting functions 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 "amdlib.h"
#include "Ids.h"
#include "mrport.h"
#include "mm.h"
#include "mn.h"
#include "mt.h"
#include "mrnln.h"
#include "Filecode.h"
CODE_GROUP (G2_PEI)
RDATA_GROUP (G2_PEI)

#define FILECODE PROC_RECOVERY_MEM_NB_LN_MRNMCTLN_FILECODE
/*----------------------------------------------------------------------------
 *                          DEFINITIONS AND MACROS
 *
 *----------------------------------------------------------------------------
 */

/*----------------------------------------------------------------------------
 *                           TYPEDEFS AND STRUCTURES
 *
 *----------------------------------------------------------------------------
 */

/*----------------------------------------------------------------------------
 *                        PROTOTYPES OF LOCAL FUNCTIONS
 *
 *----------------------------------------------------------------------------
 */


/*----------------------------------------------------------------------------
 *                            EXPORTED FUNCTIONS
 *
 *----------------------------------------------------------------------------
 */

/* -----------------------------------------------------------------------------*/
/**
 *
 *      This function is the Recovery memory configuration function for LN DDR3
 *
 *     @param[in,out]   *NBPtr   - Pointer to the MEM_NB_BLOCK
 *
 *     @return          AGESA_STATUS
 *                          - AGESA_ALERT
 *                          - AGESA_FATAL
 *                          - AGESA_SUCCESS
 *                          - AGESA_WARNING
 */

AGESA_STATUS
MemRecNMemInitLN (
  IN OUT   MEM_NB_BLOCK *NBPtr
  )
{
  AGESA_STATUS Status;
  MEM_TECH_BLOCK *TechPtr;

  TechPtr = NBPtr->TechPtr;

  Status = AGESA_FATAL;
  if (TechPtr->DimmPresence (TechPtr)) {

    if (MemRecNAutoConfigLN (NBPtr)) {

      AGESA_TESTPOINT (TpProcMemPlatformSpecificConfig, &(NBPtr->MemPtr->StdHeader));
      if (MemRecNPlatformSpecLN (NBPtr)) {
        AgesaHookBeforeDramInitRecovery (0, NBPtr->MemPtr);
        AGESA_TESTPOINT (TpProcMemStartDcts, &(NBPtr->MemPtr->StdHeader));
        MemRecNStartupDCTClientNb (NBPtr);

        AGESA_TESTPOINT (TpProcMemMtrrConfiguration, &(NBPtr->MemPtr->StdHeader));
        MemRecNCPUMemRecTypingNb (NBPtr);

        AGESA_TESTPOINT (TpProcMemDramTraining, &(NBPtr->MemPtr->StdHeader));
        NBPtr->TrainingFlow (NBPtr);

        Status = AGESA_SUCCESS;
      }
    }
  }

  return Status;
}


/* -----------------------------------------------------------------------------*/
/**
 *
 *   This function sets the final values for specific registers
 *
 *     @param[in,out]   *NBPtr   - Pointer to the MEM_NB_BLOCK
 *
 */

VOID
MemRecNFinalizeMctLN (
  IN OUT   MEM_NB_BLOCK *NBPtr
  )
{
  //
  // Recommended registers setting after DRAM device initialization and training
  //
  // PrefCpuDis = 0
  MemRecNSetBitFieldNb (NBPtr, BFPrefCpuDis, 0);
  // DctWrLimit = 0x1C
  MemRecNSetBitFieldNb (NBPtr, BFDctWrLimit, 0x1C);
  // DramTrainPdbDis = 1
  MemRecNSetBitFieldNb (NBPtr, BFDramTrainPdbDis, 1);
  // EnCpuSerRdBehindNpIoWr = 0
  MemRecNSetBitFieldNb (NBPtr, BFEnCpuSerRdBehindNpIoWr, 0);
}

/* -----------------------------------------------------------------------------*/
/**
 *
 *   This function sets initial values in BUCFG2
 *
 *     @param[in,out]   *NBPtr   - Pointer to the MEM_NB_BLOCK
 *
 */

VOID
MemRecNInitializeMctLN (
  IN OUT   MEM_NB_BLOCK *NBPtr
  )
{
  MEM_DATA_STRUCT *MemPtr;
  S_UINT64 SMsr;

  MemPtr = NBPtr->MemPtr;

  LibAmdMsrRead (BU_CFG2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
  if (SMsr.lo & ((UINT32) 1 << 15)) {
    NBPtr->ClToNbFlag = TRUE;
  }
  SMsr.lo |= (UINT32) 1 << 15;                   // ClLinesToNbDis
  LibAmdMsrWrite (BU_CFG2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
}

/* -----------------------------------------------------------------------------*/
/**
 *

/*----------------------------------------------------------------------------
 *                              LOCAL FUNCTIONS
 *
 *----------------------------------------------------------------------------
 */