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diff --git a/Silicon/Intel/LewisburgPkg/Include/Library/PchPolicyLib.h b/Silicon/Intel/LewisburgPkg/Include/Library/PchPolicyLib.h
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+/** @file
+
+Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that accompanies this distribution.
+The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php.
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _PEI_PCH_POLICY_LIB_H_
+#define _PEI_PCH_POLICY_LIB_H_
+
+#include <Ppi/PchPolicy.h>
+
+/**
+  Print whole PCH_POLICY_PPI and serial out.
+
+  @param[in] PchPolicyPpi               The RC Policy PPI instance
+**/
+VOID
+EFIAPI
+PchPrintPolicyPpi (
+  IN  PCH_POLICY_PPI           *PchPolicyPpi
+  );
+
+/**
+  PchCreatePolicyDefaults creates the default setting of PCH Policy.
+  It allocates and zero out buffer, and fills in the Intel default settings.
+
+  @param[out] PchPolicyPpi              The pointer to get PCH Policy PPI instance
+
+  @retval EFI_SUCCESS                   The policy default is initialized.
+  @retval EFI_OUT_OF_RESOURCES          Insufficient resources to create buffer
+**/
+EFI_STATUS
+EFIAPI
+PchCreatePolicyDefaults (
+  OUT  PCH_POLICY_PPI          **PchPolicyPpi
+  );
+
+/**
+  PchInstallPolicyPpi installs PchPolicyPpi.
+  While installed, RC assumes the Policy is ready and finalized. So please update and override
+  any setting before calling this function.
+
+  @param[in] PchPolicyPpi               The pointer to PCH Policy PPI instance
+
+  @retval EFI_SUCCESS                   The policy is installed.
+  @retval EFI_OUT_OF_RESOURCES          Insufficient resources to create buffer
+**/
+EFI_STATUS
+EFIAPI
+PchInstallPolicyPpi (
+  IN  PCH_POLICY_PPI           *PchPolicyPpi
+  );
+
+/*
+  Apply RVP3 PCH specific default settings
+
+  @param[in] PchPolicyPpi      The pointer to PCH Policy PPI instance
+*/
+VOID
+EFIAPI
+PchRvp3DefaultPolicy (
+  IN  PCH_POLICY_PPI           *PchPolicy
+  );
+
+#endif // _PEI_PCH_POLICY_LIB_H_