1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3 * (C) Copyright 2012
4 * Joe Hershberger, National Instruments, joe.hershberger@ni.com
5 */
6
7 #ifndef __ENV_CALLBACK_H__
8 #define __ENV_CALLBACK_H__
9
10 #include <env_flags.h>
11 #include <linker_lists.h>
12 #include <search.h>
13
14 #define ENV_CALLBACK_VAR ".callbacks"
15
16 /* Board configs can define additional static callback bindings */
17 #ifndef CONFIG_ENV_CALLBACK_LIST_STATIC
18 #define CONFIG_ENV_CALLBACK_LIST_STATIC
19 #endif
20
21 #ifdef CONFIG_SILENT_CONSOLE
22 #define SILENT_CALLBACK "silent:silent,"
23 #else
24 #define SILENT_CALLBACK
25 #endif
26
27 #ifdef CONFIG_SPLASHIMAGE_GUARD
28 #define SPLASHIMAGE_CALLBACK "splashimage:splashimage,"
29 #else
30 #define SPLASHIMAGE_CALLBACK
31 #endif
32
33 #ifdef CONFIG_REGEX
34 #define ENV_DOT_ESCAPE "\\"
35 #else
36 #define ENV_DOT_ESCAPE
37 #endif
38
39 #ifdef CONFIG_CMD_DNS
40 #define DNS_CALLBACK "dnsip:dnsip,"
41 #else
42 #define DNS_CALLBACK
43 #endif
44
45 #ifdef CONFIG_NET
46 #define NET_CALLBACKS \
47 "bootfile:bootfile," \
48 "ipaddr:ipaddr," \
49 "gatewayip:gatewayip," \
50 "netmask:netmask," \
51 "serverip:serverip," \
52 "nvlan:nvlan," \
53 "vlan:vlan," \
54 DNS_CALLBACK \
55 "eth" ETHADDR_WILDCARD "addr:ethaddr,"
56 #else
57 #define NET_CALLBACKS
58 #endif
59
60 /*
61 * This list of callback bindings is static, but may be overridden by defining
62 * a new association in the ".callbacks" environment variable.
63 */
64 #define ENV_CALLBACK_LIST_STATIC ENV_DOT_ESCAPE ENV_CALLBACK_VAR ":callbacks," \
65 ENV_DOT_ESCAPE ENV_FLAGS_VAR ":flags," \
66 "baudrate:baudrate," \
67 NET_CALLBACKS \
68 "loadaddr:loadaddr," \
69 SILENT_CALLBACK \
70 SPLASHIMAGE_CALLBACK \
71 "stdin:console,stdout:console,stderr:console," \
72 "serial#:serialno," \
73 CONFIG_ENV_CALLBACK_LIST_STATIC
74
75 #ifndef CONFIG_SPL_BUILD
76 void env_callback_init(struct env_entry *var_entry);
77 #else
env_callback_init(struct env_entry * var_entry)78 static inline void env_callback_init(struct env_entry *var_entry)
79 {
80 }
81 #endif
82
83 #endif /* __ENV_CALLBACK_H__ */
84