xref: /openbmc/u-boot/board/synopsys/hsdk/env-lib.h (revision 85231c08)
1 /*
2  * Copyright (C) 2018 Synopsys, Inc. All rights reserved.
3  * Author: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef __BOARD_ENV_LIB_H
9 #define __BOARD_ENV_LIB_H
10 
11 #include <common.h>
12 #include <config.h>
13 #include <linux/kernel.h>
14 
15 enum env_type {
16 	ENV_DEC,
17 	ENV_HEX
18 };
19 
20 typedef struct {
21 	u32 val;
22 	bool set;
23 } u32_env;
24 
25 struct env_map_common {
26 	const char *const env_name;
27 	enum env_type type;
28 	bool mandatory;
29 	u32 min;
30 	u32 max;
31 	u32_env *val;
32 };
33 
34 struct env_map_percpu {
35 	const char *const env_name;
36 	enum env_type type;
37 	bool mandatory;
38 	u32 min[NR_CPUS];
39 	u32 max[NR_CPUS];
40 	u32_env (*val)[NR_CPUS];
41 };
42 
43 void envs_cleanup_common(const struct env_map_common *map);
44 int envs_read_common(const struct env_map_common *map);
45 int envs_validate_common(const struct env_map_common *map);
46 int envs_read_validate_common(const struct env_map_common *map);
47 
48 void envs_cleanup_core(const struct env_map_percpu *map);
49 int envs_read_validate_core(const struct env_map_percpu *map,
50 			    bool (*cpu_used)(u32));
51 int envs_process_and_validate(const struct env_map_common *common,
52 			      const struct env_map_percpu *core,
53 			      bool (*cpu_used)(u32));
54 
55 int args_envs_enumerate(const struct env_map_common *map,
56 			int enum_by, int argc, char *const argv[]);
57 
58 #endif /* __BOARD_ENV_LIB_H */
59