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diff --git a/ReferenceCode/Chipset/LynxPoint/Pcie/Smm/PchPcieSmm.h b/ReferenceCode/Chipset/LynxPoint/Pcie/Smm/PchPcieSmm.h
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+/** @file
+  PCH Pcie SMM Driver Header
+
+@copyright
+  Copyright (c) 2010 - 2013 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 _PCH_PCIE_SMM_H
+#define _PCH_PCIE_SMM_H
+
+//
+// External include files do NOT need to be explicitly specified in real EDKII
+// environment
+//
+#if !defined(EDK_RELEASE_VERSION) || (EDK_RELEASE_VERSION < 0x00020000)
+
+#include "EdkIIGlueDxe.h"
+#include "EfiScriptLib.h"
+#endif
+
+#include EFI_PROTOCOL_CONSUMER (PchPlatformPolicy)
+#include EFI_PROTOCOL_CONSUMER (SmmIchnDispatchEx)
+#include "PchAccess.h"
+#include "PchPlatformLib.h"
+#include "PchPciExpressHelpersLib.h"
+//
+// Prototypes
+//
+
+/**
+  Program Common Clock and ASPM of Downstream Devices
+
+  @param[in] PciePortNum          Pcie Root Port Number
+
+  @retval EFI_SUCCESS             Function complete successfully
+**/
+EFI_STATUS
+PchPcieSmi (
+  IN  UINT8         PciePortNum
+  );
+
+/**
+  PCIE Hotplug SMI call back function for each Root port
+
+  @param[in] DispatchHandle       Handle of this dispatch function
+  @param[in] DispatchContext      Pointer to the dispatch function's context.
+                                  The DispatchContext fields are filled in by the dispatching driver
+                                  prior to invoke this dispatch function
+**/
+VOID
+EFIAPI
+PchPcieSmiHandlerFunction (
+  IN  EFI_HANDLE                              DispatchHandle,
+  IN  EFI_SMM_ICHN_DISPATCH_EX_CONTEXT        *DispatchContext
+  );
+
+/**
+  PCIE Link Active State Change Hotplug SMI call back function for all Root ports
+
+  @param[in] DispatchHandle       Handle of this dispatch function
+  @param[in] DispatchContext      Pointer to the dispatch function's context.
+                                  The DispatchContext fields are filled in by the dispatching driver
+                                  prior to invoke this dispatch function
+**/
+VOID
+EFIAPI
+PchPcieLinkActiveStateChange (
+  IN  EFI_HANDLE                              DispatchHandle,
+  IN  EFI_SMM_ICHN_DISPATCH_EX_CONTEXT        *DispatchContext
+  );
+
+/**
+  Register PCIE Hotplug SMI dispatch function to handle Hotplug enabling
+
+  @param[in] ImageHandle          The image handle of this module
+  @param[in] SystemTable          The EFI System Table
+
+  @retval EFI_SUCCESS             The function completes successfully
+**/
+EFI_STATUS
+EFIAPI
+InitializePchPcieSmm (
+  IN      EFI_HANDLE            ImageHandle,
+  IN      EFI_SYSTEM_TABLE      *SystemTable
+  );
+#endif