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/** @file
This file defines the hob structure for the SPI flash variable info.
Copyright (c) 2017 - 2021, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef SPI_FLASH_INFO_GUID_H_
#define SPI_FLASH_INFO_GUID_H_
#include <IndustryStandard/Acpi.h>
//
// SPI Flash infor hob GUID
//
extern EFI_GUID gSpiFlashInfoGuid;
//
// Set this bit if platform need disable SMM write protection when writing flash
// in SMM mode using this method: -- AsmWriteMsr32 (0x1FE, MmioRead32 (0xFED30880) | BIT0);
//
#define FLAGS_SPI_DISABLE_SMM_WRITE_PROTECT BIT0
//
// Reuse ACPI definition
//
typedef EFI_ACPI_3_0_GENERIC_ADDRESS_STRUCTURE PLD_GENERIC_ADDRESS;
#define SPACE_ID_PCI_CONFIGURATION EFI_ACPI_3_0_PCI_CONFIGURATION_SPACE
#define REGISTER_BIT_WIDTH_DWORD EFI_ACPI_3_0_DWORD
typedef struct {
UINT8 Revision;
UINT8 Reserved;
UINT16 Flags;
PLD_GENERIC_ADDRESS SpiAddress;
} SPI_FLASH_INFO;
#endif
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