Commit | Line | Data |
---|---|---|
2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
121915c4 | 2 | /* |
121915c4 WB |
3 | */ |
4 | ||
111bd981 HM |
5 | #ifndef __BCM47XX_NVRAM_H |
6 | #define __BCM47XX_NVRAM_H | |
121915c4 | 7 | |
0cb5133a | 8 | #include <linux/errno.h> |
121915c4 | 9 | #include <linux/types.h> |
59833fcf | 10 | #include <linux/kernel.h> |
55cab93b | 11 | #include <linux/vmalloc.h> |
121915c4 | 12 | |
f6e734a8 | 13 | #ifdef CONFIG_BCM47XX_NVRAM |
a5be5ce0 | 14 | int bcm47xx_nvram_init_from_iomem(void __iomem *nvram_start, size_t res_size); |
21400f25 | 15 | int bcm47xx_nvram_init_from_mem(u32 base, u32 lim); |
341097f1 | 16 | int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len); |
62cf3bc0 | 17 | int bcm47xx_nvram_gpio_pin(const char *name); |
55cab93b HM |
18 | char *bcm47xx_nvram_get_contents(size_t *val_len); |
19 | static inline void bcm47xx_nvram_release_contents(char *nvram) | |
20 | { | |
21 | vfree(nvram); | |
22 | }; | |
138173d4 | 23 | #else |
a5be5ce0 RM |
24 | static inline int bcm47xx_nvram_init_from_iomem(void __iomem *nvram_start, |
25 | size_t res_size) | |
26 | { | |
27 | return -ENOTSUPP; | |
28 | } | |
138173d4 RM |
29 | static inline int bcm47xx_nvram_init_from_mem(u32 base, u32 lim) |
30 | { | |
31 | return -ENOTSUPP; | |
32 | }; | |
33 | static inline int bcm47xx_nvram_getenv(const char *name, char *val, | |
34 | size_t val_len) | |
35 | { | |
36 | return -ENOTSUPP; | |
37 | }; | |
38 | static inline int bcm47xx_nvram_gpio_pin(const char *name) | |
39 | { | |
40 | return -ENOTSUPP; | |
41 | }; | |
55cab93b HM |
42 | |
43 | static inline char *bcm47xx_nvram_get_contents(size_t *val_len) | |
44 | { | |
45 | return NULL; | |
46 | }; | |
47 | ||
48 | static inline void bcm47xx_nvram_release_contents(char *nvram) | |
49 | { | |
50 | }; | |
138173d4 | 51 | #endif |
62cf3bc0 | 52 | |
111bd981 | 53 | #endif /* __BCM47XX_NVRAM_H */ |