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/* $NoKeywords:$ */
/**
* @file
*
* mnprotoda.c
*
* Northbridge support functions for Errata and early samples
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: (Mem/NB/DA)
* @e \$Revision: 56279 $ @e \$Date: 2011-07-11 13:11:28 -0600 (Mon, 11 Jul 2011) $
*
**/
/*****************************************************************************
*
* Copyright (C) 2012 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.
*
* ***************************************************************************
*
*/
#include "AGESA.h"
#include "mm.h"
#include "mn.h"
#include "OptionMemory.h" // need def for MEM_FEAT_BLOCK_NB
#include "mnda.h"
#include "Filecode.h"
CODE_GROUP (G1_PEICC)
RDATA_GROUP (G2_PEI)
#define FILECODE PROC_MEM_NB_DA_MNPROTODA_FILECODE
/* -----------------------------------------------------------------------------*/
/**
*
*
* This function executes Node memory 1GB boundary alignment.
*
* @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK
* @param[in,out] *NodeSysLimit - Pointer to the NodeSysLimit
*
*/
VOID
MemPNodeMemBoundaryDA (
IN OUT MEM_NB_BLOCK *NBPtr,
IN OUT UINT32 *NodeSysLimit
)
{
if (NBPtr->GetBitField (NBPtr, BFDdr3Mode) == 0) {
// only apply to DDR2.
if (*NodeSysLimit > ((UINT32)1 << (30 - 16))) {
// if (NodeSysLimit > 1GB) then set to Node limit to 1GB boundary for each node
*NodeSysLimit += 1;
*NodeSysLimit &= 0xFFFFC000;
*NodeSysLimit -= 1;
}
}
}
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