/** @file This file defines the hob structure for the SPI flash variable info. Copyright (c) 2017 - 2021, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ #ifndef SPI_FLASH_INFO_GUID_H_ #define SPI_FLASH_INFO_GUID_H_ #include // // 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