| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2015 The ChromiumOS Authors. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef __VBOOT_VBNV_LAYOUT_H__ |
| #define __VBOOT_VBNV_LAYOUT_H__ |
| |
| #define VBOOT_VBNV_BLOCK_SIZE 16 /* Size of NV storage block in bytes */ |
| |
| /* Constants for NV storage. We use this rather than structs and |
| * bitfields so the data format is consistent across platforms and |
| * compilers. |
| */ |
| #define HEADER_OFFSET 0 |
| #define HEADER_MASK 0xC0 |
| #define HEADER_SIGNATURE 0x40 |
| #define HEADER_FIRMWARE_SETTINGS_RESET 0x20 |
| #define HEADER_KERNEL_SETTINGS_RESET 0x10 |
| |
| #define BOOT_OFFSET 1 |
| #define BOOT_DEBUG_RESET_MODE 0x80 |
| #define BOOT_DISABLE_DEV_REQUEST 0x40 |
| #define BOOT_OPROM_NEEDED 0x20 |
| #define BOOT_TRY_B_COUNT_MASK 0x0F |
| |
| #define RECOVERY_OFFSET 2 |
| #define LOCALIZATION_OFFSET 3 |
| |
| #define DEV_FLAGS_OFFSET 4 |
| #define DEV_BOOT_USB_MASK 0x01 |
| #define DEV_BOOT_SIGNED_ONLY_MASK 0x02 |
| |
| #define MISC_FLAGS_OFFSET 8 |
| #define MISC_FLAGS_BATTERY_CUTOFF_MASK 0x08 |
| |
| #define KERNEL_FIELD_OFFSET 11 |
| #define CRC_OFFSET 15 |
| |
| #endif /* __VBOOT_VBNV_LAYOUT_H__ */ |
