| /** @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 |