src/vendorcode/amd/agesa/f14/Proc/Mem/Ps/mplribt.c

/* $NoKeywords:$ */
/**
 * @file
 *
 * mplribt.c
 *
 * A sub-engine which extracts F0RC8, F1RC0, F1RC1 and F1RC2 value for LRDIMM configuration.
 *
 * @xrefitem bom "File Content Label" "Release Content"
 * @e project: AGESA
 * @e sub-project: (Mem/Ps)
 * @e \$Revision: 37655 $ @e \$Date: 2010-09-09 11:15:05 +0800 (Thu, 09 Sep 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 "AdvancedApi.h"
#include "amdlib.h"
#include "Ids.h"
#include "cpuFamRegisters.h"
#include "cpuRegisters.h"
#include "OptionMemory.h"
#include "PlatformMemoryConfiguration.h"
#include "mu.h"
#include "ma.h"
#include "mp.h"
#include "Filecode.h"
CODE_GROUP (G2_PEI)
RDATA_GROUP (G2_PEI)
#define FILECODE PROC_MEM_PS_MPLRIBT_FILECODE


/*----------------------------------------------------------------------------
 *                          DEFINITIONS AND MACROS
 *
 *----------------------------------------------------------------------------
 */

/*----------------------------------------------------------------------------
 *                           TYPEDEFS AND STRUCTURES
 *
 *----------------------------------------------------------------------------
 */
/*----------------------------------------------------------------------------
 *                        PROTOTYPES OF LOCAL FUNCTIONS
 *
 *----------------------------------------------------------------------------
 */
/*----------------------------------------------------------------------------
 *                            EXPORTED FUNCTIONS
 *
 *----------------------------------------------------------------------------
 */
/* -----------------------------------------------------------------------------*/
/**
 *
 *    A sub-function which extracts LRDIMM F0RC8, F1RC0, F1RC1 and F1RC2 value from a input
 *    table and stores extracted value to a specific address.
 *
 *     @param[in,out]   *NBPtr   - Pointer to the MEM_NB_BLOCK
 *     @param[in]       *EntryOfTables     - Pointer to MEM_PSC_TABLE_BLOCK
 *
 *     @return          TRUE - Succeed in extracting the table value
 *     @return          FALSE - Fail to extract the table value
 *
 */
BOOLEAN
MemPGetLRIBT (
  IN OUT   MEM_NB_BLOCK *NBPtr,
  IN       MEM_PSC_TABLE_BLOCK *EntryOfTables
  )
{
  UINT8 i;
  UINT8 MaxDimmPerCh;
  UINT8 NOD;
  UINT8 TableSize;
  UINT32 CurDDRrate;
  UINT8 DDR3Voltage;
  UINT16 RankTypeOfPopulatedDimm;
  UINT16 RankTypeInTable;
  CPU_LOGICAL_ID LogicalCpuid;
  UINT8 PackageType;
  PSCFG_L_IBT_ENTRY *TblPtr;
  CH_DEF_STRUCT *CurrentChannel;

  CurrentChannel = NBPtr->ChannelPtr;

  //@todo LRDIMM
  //if (CurrentChannel->LrDimmPresent == 0) {
  //  return TRUE;
  //}

  TblPtr = NULL;
  TableSize = 0;
  PackageType = 0;
  LogicalCpuid.Family = AMD_FAMILY_UNKNOWN;
  MaxDimmPerCh = GetMaxDimmsPerChannel (NBPtr->RefPtr->PlatformMemoryConfiguration, NBPtr->MCTPtr->SocketId, CurrentChannel->ChannelID);
  NOD = (UINT8) 1 << (MaxDimmPerCh - 1);

  i = 0;
  // Obtain table pointer, table size, Logical Cpuid and PSC type according to NB type and package type.
  while (EntryOfTables->TblEntryOfLRIBT[i] != NULL) {
    if (((EntryOfTables->TblEntryOfLRIBT[i])->Header.NumOfDimm & NOD) != 0) {
      LogicalCpuid = (EntryOfTables->TblEntryOfLRIBT[i])->Header.LogicalCpuid;
      PackageType = (EntryOfTables->TblEntryOfLRIBT[i])->Header.PackageType;
      //
      // Determine if this is the expected NB Type
      //
      if (MemPIsIdSupported (NBPtr, LogicalCpuid, PackageType)) {
        TblPtr = (PSCFG_L_IBT_ENTRY *) ((EntryOfTables->TblEntryOfLRIBT[i])->TBLPtr);
        TableSize = (EntryOfTables->TblEntryOfLRIBT[i])->TableSize;
        break;
      }
    }
    i++;
  }

  // Check whether no table entry is found.
  if (EntryOfTables->TblEntryOfLRIBT[i] == NULL) {
    IDS_HDT_CONSOLE (MEM_FLOW, "\nNo LRDIMM IBT table\n");
    return FALSE;
  }

  CurDDRrate = (UINT32) (1 << (CurrentChannel->DCTPtr->Timings.Speed / 66));
  DDR3Voltage = (UINT8) (1 << (NBPtr->RefPtr->DDR3Voltage));
  RankTypeOfPopulatedDimm = MemPGetPsRankType (CurrentChannel);

  for (i = 0; i < TableSize; i++) {
    MemPConstructRankTypeMap ((UINT16) TblPtr->Dimm0, (UINT16) TblPtr->Dimm1, (UINT16) TblPtr->Dimm2, &RankTypeInTable);
    if (TblPtr->DimmPerCh == MaxDimmPerCh) {
      if ((TblPtr->DDRrate & CurDDRrate) != 0) {
        if ((TblPtr->VDDIO & DDR3Voltage) != 0) {
          if ((RankTypeInTable & RankTypeOfPopulatedDimm) == RankTypeOfPopulatedDimm) {
            NBPtr->PsPtr->F0RC8 = (UINT8) TblPtr->F0RC8;
            NBPtr->PsPtr->F1RC0 = (UINT8) TblPtr->F1RC0;
            NBPtr->PsPtr->F1RC1 = (UINT8) TblPtr->F1RC1;
            NBPtr->PsPtr->F1RC2 = (UINT8) TblPtr->F1RC2;
            break;
          }
        }
      }
    }
    TblPtr++;
  }
  if (i == TableSize) {
    IDS_HDT_CONSOLE (MEM_FLOW, "\nNo LRDIMM IBT entries\n");
    return FALSE;
  }

  return TRUE;
}