src/vendorcode/amd/agesa/f14/Proc/Recovery/Mem/NB/DR/mrnmctdr.c

/* $NoKeywords:$ */
/**
 * @file
 *
 * mrnmctdr.c
 *
 * Northbridge DR MCT supporting functions Recovery
 *
 * @xrefitem bom "File Content Label" "Release Content"
 * @e project: AGESA
 * @e sub-project: (Proc/Recovery/Mem)
 * @e \$Revision: 35136 $ @e \$Date: 2010-07-16 11:29:48 +0800 (Fri, 16 Jul 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 "mrndr.h"
#include "Filecode.h"
CODE_GROUP (G2_PEI)
RDATA_GROUP (G2_PEI)

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

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

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


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


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

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

  MemPtr = NBPtr->MemPtr;


  // Recommended settings for F2x11C
  MemRecNSetBitFieldNb (NBPtr, BFMctWrLimit, 16);
  MemRecNSetBitFieldNb (NBPtr, BFPrefCpuDis, 0);
  MemRecNSetBitFieldNb (NBPtr, BFPrefIoDis, 0);
  MemRecNSetBitFieldNb (NBPtr, BFFlushWrOnStpGnt, 1);

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

  LibAmdMsrRead (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
  SMsr.hi &= ~((UINT32) 1 << (48 - 32));               // WbEnhWsbDis
  LibAmdMsrWrite (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
}

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

VOID
MemRecNInitializeMctDR (
  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);

  LibAmdMsrRead (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
  SMsr.hi |= (UINT32) 1 << (48 - 32);              // WbEnhWsbDis
  LibAmdMsrWrite (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
}

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