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diff --git a/ReferenceCode/Chipset/LynxPoint/Library/PchPciExpressHelpersLib/PchPciExpressHelpersLibrary.h b/ReferenceCode/Chipset/LynxPoint/Library/PchPciExpressHelpersLib/PchPciExpressHelpersLibrary.h
new file mode 100644
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+++ b/ReferenceCode/Chipset/LynxPoint/Library/PchPciExpressHelpersLib/PchPciExpressHelpersLibrary.h
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+/** @file
+  Header file for PCH Pci Express helps library implementation.
+
+@copyright
+  Copyright (c) 2008 - 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 a 'Sample Driver' and is licensed as such
+  under the terms of your license agreement with Intel or your
+  vendor.  This file may be modified by the user, subject to
+  the additional terms of the license agreement
+**/
+#ifndef _PCH_PCI_EXPRESS_HELPERS_LIBRARY_H_
+#define _PCH_PCI_EXPRESS_HELPERS_LIBRARY_H_
+
+#if !defined(EDK_RELEASE_VERSION) || (EDK_RELEASE_VERSION < 0x00020000)
+#include "EdkIIGlueBase.h"
+#include "PchPlatformPolicy.h"
+#include "PchAccess.h"
+#include "PchPlatformLib.h"
+#include "PchPciExpressHelperslib.h"
+#include "pci23.h"
+#include "pci22.h"
+#endif
+
+#define LTR_VALUE_MASK (BIT0 + BIT1 + BIT2 + BIT3 + BIT4 + BIT5 + BIT6 + BIT7 + BIT8 + BIT9)
+#define LTR_SCALE_MASK (BIT10 + BIT11 + BIT12)
+
+//
+// LTR related macros
+//
+#define LTR_LATENCY_VALUE(x)           ((x) & LTR_VALUE_MASK)
+#define LTR_SCALE_VALUE(x)             (((x) & LTR_SCALE_MASK) >> 10)
+#define LTR_LATENCY_NS(x)              (LTR_LATENCY_VALUE(x) * (1 << (5 * LTR_SCALE_VALUE(x))))
+
+#endif