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diff --git a/ReferenceCode/Chipset/SystemAgent/MemoryInit/Pei/Source/WriteTraining/MrcWriteLeveling.h b/ReferenceCode/Chipset/SystemAgent/MemoryInit/Pei/Source/WriteTraining/MrcWriteLeveling.h
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+++ b/ReferenceCode/Chipset/SystemAgent/MemoryInit/Pei/Source/WriteTraining/MrcWriteLeveling.h
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+/** @file
+  The write leveling training algorithm definitions.
+
+@copyright
+  Copyright (c) 1999 - 2012 Intel Corporation. All rights reserved.
+  This software and associated documentation (if any) is furnished
+  under a license and may only be used or copied in accordance
+  with the terms of the license. Except as permitted by such
+  license, no part of this software or documentation may be
+  reproduced, stored in a retrieval system, or transmitted in any
+  form or by any means without the express written consent of
+  Intel Corporation.
+
+  This file contains an 'Intel Peripheral Driver' and uniquely
+  identified as "Intel Reference Module" and is
+  licensed for Intel CPUs and chipsets under the terms of your
+  license agreement with Intel or your vendor.  This file may
+  be modified by the user, subject to additional terms of the
+  license agreement.
+**/
+
+#ifndef _MrcWriteLeveling_h_
+#define _MrcWriteLeveling_h_
+
+#include "MrcTypes.h"
+#include "MrcApi.h"
+#include "McAddress.h"
+#include "MrcCommon.h"
+#include "MrcReset.h"
+#include "MrcDdr3.h"
+#include "MrcIoControl.h"
+#include "MrcReadReceiveEnable.h"
+#include "MrcOem.h"
+
+///
+/// This defines the maximum ADD delay that can be programmed to the register. It may change in the future
+///
+#define MAX_ADD_DELAY (2)
+
+/**
+@brief
+  this function execute the Jedec write leveling Cleanup.
+  Center TxDQS-CLK timing
+
+  @param[in, out] MrcData - Include all MRC global data.
+
+  @retval MrcStatus -  if it succeded return mrcSuccess
+**/
+extern
+MrcStatus
+MrcJedecWriteLevelingCleanUp (
+  IN OUT MrcParameters *const MrcData
+  );
+
+/**
+@brief
+  this function execute the functional write leveling training.
+  Center TxDQS-CLK timing
+
+  @param[in, out] MrcData - Include all MRC global data.
+
+  @retval MrcStatus -  if it succeded return mrcSuccess
+**/
+extern
+MrcStatus
+MrcWriteLevelingTraining (
+  IN OUT MrcParameters *const MrcData
+  );
+
+/**
+@brief
+  this function execute the Jedec write leveling training.
+  Center TxDQS-CLK timing
+
+  @param[in, out] MrcData - Include all MRC global data.
+
+  @retval MrcStatus -  if it succedes return mrcSuccess
+**/
+extern
+MrcStatus
+MrcJedecWriteLevelingTraining (
+  IN OUT MrcParameters *const MrcData
+  );
+
+#endif // _MrcWriteLeveling_h_