1#ifndef __OF_RESERVED_MEM_H
2#define __OF_RESERVED_MEM_H
3
4struct device;
5struct of_phandle_args;
6struct reserved_mem_ops;
7
8struct 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
18struct 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
25typedef 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
31int of_reserved_mem_device_init(struct device *dev);
32void of_reserved_mem_device_release(struct device *dev);
33
34void fdt_init_reserved_mem(void);
35void fdt_reserved_mem_save_node(unsigned long node, const char *uname,
36 phys_addr_t base, phys_addr_t size);
37#else
38static inline int of_reserved_mem_device_init(struct device *dev)
39{
40 return -ENOSYS;
41}
42static inline void of_reserved_mem_device_release(struct device *pdev) { }
43
44static inline void fdt_init_reserved_mem(void) { }
45static 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
50
