blob: 2ecd7a48b06c9552a94499cdf2e58ea78bc9b4c7
1 | /* |
2 | * (C) Copyright 2000 |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
4 | * |
5 | * SPDX-License-Identifier: GPL-2.0+ |
6 | */ |
7 | |
8 | #ifndef __BOOTRETRY_H |
9 | #define __BOOTRETRY_H |
10 | |
11 | #ifdef CONFIG_BOOT_RETRY_TIME |
12 | /** |
13 | * bootretry_tstc_timeout() - ensure we get a keypress before timeout |
14 | * |
15 | * Check for a keypress repeatedly, resetting the watchdog each time. If a |
16 | * keypress is not received within the command timeout, return an error. |
17 | * |
18 | * @return 0 if a key is received in time, -ETIMEDOUT if not |
19 | */ |
20 | int bootretry_tstc_timeout(void); |
21 | |
22 | /** |
23 | * bootretry_init_cmd_timeout() - set up command timeout |
24 | * |
25 | * Get the required command timeout from the environment. |
26 | */ |
27 | void bootretry_init_cmd_timeout(void); |
28 | |
29 | /** |
30 | * bootretry_reset_cmd_timeout() - reset command timeout |
31 | * |
32 | * Reset the command timeout so that the user has a fresh start. This is |
33 | * typically used when input is received from the user. |
34 | */ |
35 | void bootretry_reset_cmd_timeout(void); |
36 | |
37 | /** bootretry_dont_retry() - Indicate that we should not retry the boot */ |
38 | void bootretry_dont_retry(void); |
39 | #else |
40 | static inline int bootretry_tstc_timeout(void) |
41 | { |
42 | return 0; |
43 | } |
44 | |
45 | static inline void bootretry_init_cmd_timeout(void) |
46 | { |
47 | } |
48 | |
49 | static inline void bootretry_reset_cmd_timeout(void) |
50 | { |
51 | } |
52 | |
53 | static inline void bootretry_dont_retry(void) |
54 | { |
55 | } |
56 | |
57 | #endif |
58 | |
59 | #endif |
60 |