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 unsigned long phandle;
12 const struct reserved_mem_ops *ops;
13 phys_addr_t base;
14 phys_addr_t size;
15 void *priv;
16 };
17
18 struct reserved_mem_ops {
19 int (*device_init)(struct reserved_mem *rmem,
20 struct device *dev);
21 void (*device_release)(struct reserved_mem *rmem,
22 struct device *dev);
23 };
24
25 typedef int (*reservedmem_of_init_fn)(struct reserved_mem *rmem);
26
27 #define RESERVEDMEM_OF_DECLARE(name, compat, init) \
28 _OF_DECLARE(reservedmem, name, compat, init, reservedmem_of_init_fn)
29
30 #ifdef CONFIG_OF_RESERVED_MEM
31 int of_reserved_mem_device_init(struct device *dev);
32 void of_reserved_mem_device_release(struct device *dev);
33
34 void fdt_init_reserved_mem(void);
35 void fdt_reserved_mem_save_node(unsigned long node, const char *uname,
36 phys_addr_t base, phys_addr_t size);
37 #else
of_reserved_mem_device_init(struct device * dev)38 static inline int of_reserved_mem_device_init(struct device *dev)
39 {
40 return -ENOSYS;
41 }
of_reserved_mem_device_release(struct device * pdev)42 static inline void of_reserved_mem_device_release(struct device *pdev) { }
43
fdt_init_reserved_mem(void)44 static inline void fdt_init_reserved_mem(void) { }
fdt_reserved_mem_save_node(unsigned long node,const char * uname,phys_addr_t base,phys_addr_t size)45 static inline void fdt_reserved_mem_save_node(unsigned long node,
46 const char *uname, phys_addr_t base, phys_addr_t size) { }
47 #endif
48
49 #endif /* __OF_RESERVED_MEM_H */
50