| Simon Glass | c8ca6b6 | 2020-11-04 09:57:16 -0700 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * Copyright 2020 Google LLC |
| 4 | */ |
| 5 | |
| 6 | #ifndef __ASM_ACPI_VBNV_LAYOUT_H__ |
| 7 | #define __ASM_ACPI_VBNV_LAYOUT_H__ |
| 8 | |
| 9 | #define VBOOT_VBNV_BLOCK_SIZE 16 /* Size of NV storage block in bytes */ |
| 10 | |
| 11 | /* Constants for NV storage, for use with ACPI */ |
| 12 | #define HEADER_OFFSET 0 |
| 13 | #define HEADER_MASK 0xc0 |
| 14 | #define HEADER_SIGNATURE 0x40 |
| 15 | #define HEADER_FIRMWARE_SETTINGS_RESET 0x20 |
| 16 | #define HEADER_KERNEL_SETTINGS_RESET 0x10 |
| 17 | |
| 18 | #define BOOT_OFFSET 1 |
| 19 | #define BOOT_DEBUG_RESET_MODE 0x80 |
| 20 | #define BOOT_DISABLE_DEV_REQUEST 0x40 |
| 21 | #define BOOT_DISPLAY_REQUEST 0x20 |
| 22 | #define BOOT_TRY_B_COUNT_MASK 0x0f |
| 23 | |
| 24 | #define RECOVERY_OFFSET 2 |
| 25 | #define LOCALIZATION_OFFSET 3 |
| 26 | |
| 27 | #define DEV_FLAGS_OFFSET 4 |
| 28 | #define DEV_BOOT_USB_MASK 0x01 |
| 29 | #define DEV_BOOT_SIGNED_ONLY_MASK 0x02 |
| 30 | #define DEV_ENABLE_UDC 0x40 |
| 31 | |
| 32 | #define MISC_FLAGS_OFFSET 8 |
| 33 | #define MISC_FLAGS_BATTERY_CUTOFF_MASK 0x08 |
| 34 | |
| 35 | #define KERNEL_FIELD_OFFSET 11 |
| 36 | #define CRC_OFFSET 15 |
| 37 | |
| 38 | #endif /* __ASM_ACPI_VBNV_LAYOUT_H__ */ |