1 #ifndef __OF_RESERVED_MEM_H
2 #define __OF_RESERVED_MEM_H
3 
4 struct device;
5 struct of_phandle_args;
6 struct reserved_mem_ops;
7 
8 struct reserved_mem {
9 	const char			*name;
10 	unsigned long			fdt_node;
11 	const struct reserved_mem_ops	*ops;
12 	phys_addr_t			base;
13 	phys_addr_t			size;
14 	void				*priv;
15 };
16 
17 struct reserved_mem_ops {
18 	void	(*device_init)(struct reserved_mem *rmem,
19 			       struct device *dev);
20 	void	(*device_release)(struct reserved_mem *rmem,
21 				  struct device *dev);
22 };
23 
24 typedef int (*reservedmem_of_init_fn)(struct reserved_mem *rmem,
25 				      unsigned long node, const char *uname);
26 
27 #ifdef CONFIG_OF_RESERVED_MEM
28 void fdt_init_reserved_mem(void);
29 void fdt_reserved_mem_save_node(unsigned long node, const char *uname,
30 			       phys_addr_t base, phys_addr_t size);
31 
32 #define RESERVEDMEM_OF_DECLARE(name, compat, init)			\
33 	static const struct of_device_id __reservedmem_of_table_##name	\
34 		__used __section(__reservedmem_of_table)		\
35 		 = { .compatible = compat,				\
36 		     .data = (init == (reservedmem_of_init_fn)NULL) ?	\
37 				init : init }
38 
39 #else
40 static inline void fdt_init_reserved_mem(void) { }
41 static inline void fdt_reserved_mem_save_node(unsigned long node,
42 		const char *uname, phys_addr_t base, phys_addr_t size) { }
43 
44 #define RESERVEDMEM_OF_DECLARE(name, compat, init)			\
45 	static const struct of_device_id __reservedmem_of_table_##name	\
46 		__attribute__((unused))					\
47 		 = { .compatible = compat,				\
48 		     .data = (init == (reservedmem_of_init_fn)NULL) ?	\
49 				init : init }
50 
51 #endif
52 
53 #endif /* __OF_RESERVED_MEM_H */
54