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diff --git a/ReferenceCode/Haswell/CpuInit/Dxe/CacheData.h b/ReferenceCode/Haswell/CpuInit/Dxe/CacheData.h
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+++ b/ReferenceCode/Haswell/CpuInit/Dxe/CacheData.h
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+/** @file
+  Header file for CPU Data File
+
+@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 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 _CACHE_DATA_H_
+#define _CACHE_DATA_H_
+
+#include "CpuInitDxe.h"
+
+///
+/// Platform-specific definitions
+///
+#define CPU_CACHE_DATA_MAXIMUM_LENGTH 0x100
+
+typedef union {
+  EFI_CACHE_DATA_RECORD *DataRecord;
+  UINT8                 *Raw;
+} CPU_CACHE_DATA_RECORD_BUFFER;
+
+typedef struct {
+  UINT8                        CacheLevel;
+  UINT8                        CacheDescriptor;
+  UINT16                       CacheSizeinKB;
+  EFI_CACHE_ASSOCIATIVITY_DATA Associativity;
+  EFI_CACHE_TYPE_DATA          Type;
+} EFI_CACHE_CONVERTER;
+
+/**
+  This function gets called with the processor number and will log all cache data to data hub
+  pertaining to this processor.
+
+  @param[in] CpuNumber - Processor Number
+  @param[in] CacheInformation - Cache information get from cpuid instruction
+
+  @retval EFI_OUT_OF_RESOURCES - Failed to allocate required POOL for record buffer.
+  @retval EFI_SUCCESS - successful to update cache data
+**/
+EFI_STATUS
+InitializeCacheData (
+  IN UINTN              CpuNumber,
+  IN EFI_CPUID_REGISTER *CacheInformation
+  );
+
+/**
+  Log cache data into data hub
+
+  @param[in] DataHub - Pointer to the DataHub protocol that will be updated
+  @param[in] Buffer  - Data buffer which will be updated into DataHub
+  @param[in] Size    - The size of data buffer
+
+  @retval EFI_STATUS - status code for logging data into dat hub
+**/
+EFI_STATUS
+LogCacheData (
+  EFI_DATA_HUB_PROTOCOL *DataHub,
+  UINT8                 *Buffer,
+  UINT32                Size
+  );
+
+/**
+  Log CPU data into data hub
+
+  @param[in] DataHub - point to data hub that will be updated
+  @param[in] Buffer  - the buffer which will be updated into data hub
+  @param[in] Size    - size of the buffer
+
+  @retval EFI_STATUS - status returned when updating Data hub
+**/
+EFI_STATUS
+LogCpuData (
+  EFI_DATA_HUB_PROTOCOL *DataHub,
+  UINT8                 *Buffer,
+  UINT32                Size
+  );
+
+#endif