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diff --git a/ReferenceCode/Chipset/LynxPoint/Spi/Pei/PchSpi.h b/ReferenceCode/Chipset/LynxPoint/Spi/Pei/PchSpi.h
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+/** @file
+ Header file for the PCH SPI Runtime Driver.
+
+@copyright
+ Copyright (c) 2004 - 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 _PCH_SPI_H_
+#define _PCH_SPI_H_
+
+#if !defined(EDK_RELEASE_VERSION) || (EDK_RELEASE_VERSION < 0x00020000)
+#include "EdkIIGluePeim.h"
+#include EFI_PPI_PRODUCER (Spi)
+#include "SpiCommon.h"
+#endif
+
+typedef struct {
+ EFI_PEI_PPI_DESCRIPTOR PpiDescriptor;
+ SPI_INSTANCE SpiInstance;
+} PEI_SPI_INSTANCE;
+
+/**
+ This function is a hook for Spi Pei phase specific initialization
+
+ @param[in] None
+
+ @retval None
+**/
+VOID
+EFIAPI
+SpiPhaseInit (
+ VOID
+ );
+
+/**
+ This function is a hook for Spi to disable BIOS Write Protect
+
+ @param[in] None
+
+ @retval None
+**/
+VOID
+EFIAPI
+DisableBiosWriteProtect (
+ VOID
+ );
+
+/**
+ This function is a hook for Spi to enable BIOS Write Protect
+
+ @param[in] None
+
+ @retval None
+**/
+VOID
+EFIAPI
+EnableBiosWriteProtect (
+ VOID
+ );
+
+#endif