1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 */
4
5#ifndef __BCM47XX_NVRAM_H
6#define __BCM47XX_NVRAM_H
7
8#include <linux/errno.h>
9#include <linux/types.h>
10#include <linux/vmalloc.h>
11
12#ifdef CONFIG_BCM47XX_NVRAM
13int bcm47xx_nvram_init_from_iomem(void __iomem *nvram_start, size_t res_size);
14int bcm47xx_nvram_init_from_mem(u32 base, u32 lim);
15int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
16int bcm47xx_nvram_gpio_pin(const char *name);
17char *bcm47xx_nvram_get_contents(size_t *val_len);
18static inline void bcm47xx_nvram_release_contents(char *nvram)
19{
20 vfree(addr: nvram);
21};
22#else
23static inline int bcm47xx_nvram_init_from_iomem(void __iomem *nvram_start,
24 size_t res_size)
25{
26 return -ENOTSUPP;
27}
28static inline int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
29{
30 return -ENOTSUPP;
31};
32static inline int bcm47xx_nvram_getenv(const char *name, char *val,
33 size_t val_len)
34{
35 return -ENOTSUPP;
36};
37static inline int bcm47xx_nvram_gpio_pin(const char *name)
38{
39 return -ENOTSUPP;
40};
41
42static inline char *bcm47xx_nvram_get_contents(size_t *val_len)
43{
44 return NULL;
45};
46
47static inline void bcm47xx_nvram_release_contents(char *nvram)
48{
49};
50#endif
51
52#endif /* __BCM47XX_NVRAM_H */
53

source code of linux/include/linux/bcm47xx_nvram.h