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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#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_DISPLAY_REQUEST 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 DEV_ENABLE_UDC 0x40
#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__ */
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