blob: 89065524d37ab71477a3c26493dcba9a8307c833 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright 2020 Google LLC
*/
#ifndef __ASM_ACPI_VBNV_LAYOUT_H__
#define __ASM_ACPI_VBNV_LAYOUT_H__
#define VBOOT_VBNV_BLOCK_SIZE 16 /* Size of NV storage block in bytes */
/* Constants for NV storage, for use with ACPI */
#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 /* __ASM_ACPI_VBNV_LAYOUT_H__ */
|