projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 1d66480a GD |
1 | /** @file\r |
| 2 | This file defines the hob structure for the SPI flash variable info.\r | |
| 3 | \r | |
| 4 | Copyright (c) 2017 - 2021, Intel Corporation. All rights reserved.<BR>\r | |
| 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 6 | \r | |
| 7 | **/\r | |
| 8 | \r | |
| 9 | #ifndef SPI_FLASH_INFO_GUID_H_\r | |
| 10 | #define SPI_FLASH_INFO_GUID_H_\r | |
| 11 | \r | |
| 12 | #include <IndustryStandard/Acpi.h>\r | |
| 13 | //\r | |
| 14 | // SPI Flash infor hob GUID\r | |
| 15 | //\r | |
| 16 | extern EFI_GUID gSpiFlashInfoGuid;\r | |
| 17 | \r | |
| 18 | //\r | |
| 19 | // Set this bit if platform need disable SMM write protection when writing flash\r | |
| 20 | // in SMM mode using this method: -- AsmWriteMsr32 (0x1FE, MmioRead32 (0xFED30880) | BIT0);\r | |
| 21 | //\r | |
| 22 | #define FLAGS_SPI_DISABLE_SMM_WRITE_PROTECT BIT0\r | |
| 23 | \r | |
| 24 | //\r | |
| 25 | // Reuse ACPI definition\r | |
| 26 | //\r | |
| 27 | typedef EFI_ACPI_3_0_GENERIC_ADDRESS_STRUCTURE PLD_GENERIC_ADDRESS;\r | |
| 28 | #define SPACE_ID_PCI_CONFIGURATION EFI_ACPI_3_0_PCI_CONFIGURATION_SPACE\r | |
| 29 | #define REGISTER_BIT_WIDTH_DWORD EFI_ACPI_3_0_DWORD\r | |
| 30 | \r | |
| 31 | typedef struct {\r | |
| 32 | UINT8 Revision;\r | |
| 33 | UINT8 Reserved;\r | |
| 34 | UINT16 Flags;\r | |
| 35 | PLD_GENERIC_ADDRESS SpiAddress;\r | |
| 36 | } SPI_FLASH_INFO;\r | |
| 37 | \r | |
| 38 | #endif\r |