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diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Feat/INTLVRN/mfintlvrn.c b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Feat/INTLVRN/mfintlvrn.c
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+++ b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Feat/INTLVRN/mfintlvrn.c
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+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * mfrintlv.c
+ *
+ * Feature Region interleaving support
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project: AGESA
+ * @e sub-project: (Mem/Feat/Intlvrgn)
+ * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $
+ *
+ **/
+/*****************************************************************************
+ *
+ * Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved.
+ *
+ * AMD is granting you permission to use this software (the Materials)
+ * pursuant to the terms and conditions of your Software License Agreement
+ * with AMD. This header does *NOT* give you permission to use the Materials
+ * or any rights under AMD's intellectual property. Your use of any portion
+ * of these Materials shall constitute your acceptance of those terms and
+ * conditions. If you do not agree to the terms and conditions of the Software
+ * License Agreement, please do not use any portion of these Materials.
+ *
+ * CONFIDENTIALITY: The Materials and all other information, identified as
+ * confidential and provided to you by AMD shall be kept confidential in
+ * accordance with the terms and conditions of the Software License Agreement.
+ *
+ * LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION
+ * PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
+ * MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE,
+ * OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE.
+ * IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER
+ * (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS
+ * INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE,
+ * GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER
+ * RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE
+ * EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES,
+ * THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
+ *
+ * AMD does not assume any responsibility for any errors which may appear in
+ * the Materials or any other related information provided to you by AMD, or
+ * result from use of the Materials or any related information.
+ *
+ * You agree that you will not reverse engineer or decompile the Materials.
+ *
+ * NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any
+ * further information, software, technical information, know-how, or show-how
+ * available to you. Additionally, AMD retains the right to modify the
+ * Materials at any time, without notice, and is not obligated to provide such
+ * modified Materials to you.
+ *
+ * U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with
+ * "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is
+ * subject to the restrictions as set forth in FAR 52.227-14 and
+ * DFAR252.227-7013, et seq., or its successor. Use of the Materials by the
+ * Government constitutes acknowledgement of AMD's proprietary rights in them.
+ *
+ * EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any
+ * direct product thereof will be exported directly or indirectly, into any
+ * country prohibited by the United States Export Administration Act and the
+ * regulations thereunder, without the required authorization from the U.S.
+ * government nor will be used for any purpose prohibited by the same.
+ * ***************************************************************************
+ *
+ */
+
+
+/*
+ *----------------------------------------------------------------------------
+ * MODULES USED
+ *
+ *----------------------------------------------------------------------------
+ */
+
+
+
+#include "AGESA.h"
+#include "amdlib.h"
+#include "heapManager.h"
+#include "mport.h"
+#include "mm.h"
+#include "mn.h"
+#include "mfintlvrn.h"
+#include "Ids.h"
+#include "Filecode.h"
+CODE_GROUP (G2_PEI)
+RDATA_GROUP (G2_PEI)
+
+#define FILECODE PROC_MEM_FEAT_INTLVRN_MFINTLVRN_FILECODE
+/*----------------------------------------------------------------------------
+ * DEFINITIONS AND MACROS
+ *
+ *----------------------------------------------------------------------------
+ */
+#define _4GB_RJ27 ((UINT32)4 << (30 - 27))
+/*----------------------------------------------------------------------------
+ * TYPEDEFS AND STRUCTURES
+ *
+ *----------------------------------------------------------------------------
+ */
+
+/*----------------------------------------------------------------------------
+ * PROTOTYPES OF LOCAL FUNCTIONS
+ *
+ *----------------------------------------------------------------------------
+ */
+
+/*----------------------------------------------------------------------------
+ * EXPORTED FUNCTIONS
+ *
+ *----------------------------------------------------------------------------
+ */
+
+/* -----------------------------------------------------------------------------*/
+/**
+ *
+ * MemFInterleaveRegion:
+ *
+ * Applies region interleaving if both DCTs have different size of memory, and
+ * the channel interleaving region doesn't have UMA covered.
+ *
+ * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK
+ *
+ */
+
+VOID
+MemFInterleaveRegion (
+ IN OUT MEM_NB_BLOCK *NBPtr
+ )
+{
+ UINT32 TOM;
+ UINT32 TOM2;
+ UINT32 TOMused;
+ UINT32 UmaBase;
+ UINT32 DctSelBase;
+ S_UINT64 SMsr;
+ LOCATE_HEAP_PTR LocHeap;
+ UMA_INFO *UmaInfoPtr;
+
+ MEM_DATA_STRUCT *MemPtr;
+ MEM_PARAMETER_STRUCT *RefPtr;
+ DIE_STRUCT *MCTPtr;
+
+ MemPtr = NBPtr->MemPtr;
+ RefPtr = NBPtr->RefPtr;
+ MCTPtr = NBPtr->MCTPtr;
+
+ UmaBase = (UINT32) RefPtr->UmaBase >> (27 - 16);
+
+ //TOM scaled from [47:0] to [47:27]
+ LibAmdMsrRead (TOP_MEM, (UINT64 *)&SMsr, &MemPtr->StdHeader);
+ SMsr.lo += (16 << 20); // Add 16MB to gain back C6 region if C6 is enabled
+ TOM = (SMsr.lo >> 27) | (SMsr.hi << (32 - 27));
+
+ //TOM2 scaled from [47:0] to [47:27]
+ LibAmdMsrRead (TOP_MEM2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
+ TOM2 = (SMsr.lo >> 27) | (SMsr.hi << (32 - 27));
+
+ TOMused = (UmaBase >= _4GB_RJ27) ? TOM2 : TOM;
+
+ if (UmaBase != 0) {
+ //Check if channel interleaving is enabled ? if so, go to next step.
+ if (NBPtr->GetBitField (NBPtr, BFDctSelIntLvEn) == 1) {
+ DctSelBase = NBPtr->GetBitField (NBPtr, BFDctSelBaseAddr);
+ //Skip if DctSelBase is equal to 0, because DCT0 has as the same memory size as DCT1.
+ if (DctSelBase != 0) {
+ //We need not enable swapped interleaved region when channel interleaving region has covered all of the UMA.
+ if (DctSelBase < TOMused) {
+ NBPtr->EnableSwapIntlvRgn (NBPtr, UmaBase, TOMused);
+
+ // Set UMA attribute to interleaved after interleaved region has been swapped
+ LocHeap.BufferHandle = AMD_UMA_INFO_HANDLE;
+ if (HeapLocateBuffer (&LocHeap, &(NBPtr->MemPtr->StdHeader)) == AGESA_SUCCESS) {
+ UmaInfoPtr = (UMA_INFO *) LocHeap.BufferPtr;
+ UmaInfoPtr->UmaAttributes = UMA_ATTRIBUTE_INTERLEAVE | UMA_ATTRIBUTE_ON_DCT0 | UMA_ATTRIBUTE_ON_DCT1;
+ } else {
+ ASSERT (FALSE);
+ }
+ }
+ }
+ }
+ }
+}
+
+