7 * Definitions for talking to the Open Firmware PROM on
8 * Power Macintosh computers.
10 * Copyright (C) 1996-2005 Paul Mackerras.
12 * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
13 * Updates for SPARC32 by David S. Miller
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License
17 * as published by the Free Software Foundation; either version
18 * 2 of the License, or (at your option) any later version.
21 #include <linux/types.h>
22 #include <linux/proc_fs.h>
23 #include <asm/atomic.h>
32 struct property *next;
34 unsigned int unique_id;
41 char *path_component_name;
44 struct property *properties;
45 struct property *deadprops; /* removed properties */
46 struct device_node *parent;
47 struct device_node *child;
48 struct device_node *sibling;
49 struct device_node *next; /* next device of same type */
50 struct device_node *allnext; /* next in list of all nodes */
51 struct proc_dir_entry *pde; /* this node's proc directory */
55 unsigned int unique_id;
58 /* flag descriptions */
59 #define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
61 #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
62 #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
64 #define OF_BAD_ADDR ((u64)-1)
66 static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de)
71 extern struct device_node *of_find_node_by_name(struct device_node *from,
73 #define for_each_node_by_name(dn, name) \
74 for (dn = of_find_node_by_name(NULL, name); dn; \
75 dn = of_find_node_by_name(dn, name))
76 extern struct device_node *of_find_node_by_type(struct device_node *from,
78 #define for_each_node_by_type(dn, type) \
79 for (dn = of_find_node_by_type(NULL, type); dn; \
80 dn = of_find_node_by_type(dn, type))
81 extern struct device_node *of_find_compatible_node(struct device_node *from,
82 const char *type, const char *compat);
83 extern struct device_node *of_find_node_by_path(const char *path);
84 extern struct device_node *of_find_node_by_phandle(phandle handle);
85 extern struct device_node *of_get_parent(const struct device_node *node);
86 extern struct device_node *of_get_next_child(const struct device_node *node,
87 struct device_node *prev);
88 extern struct property *of_find_property(struct device_node *np,
91 extern int of_device_is_compatible(struct device_node *device, const char *);
92 extern void *of_get_property(struct device_node *node, const char *name,
94 #define get_property(node,name,lenp) of_get_property(node,name,lenp)
95 extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
96 extern int of_getintprop_default(struct device_node *np,
99 extern int of_n_addr_cells(struct device_node *np);
100 extern int of_n_size_cells(struct device_node *np);
102 extern void prom_build_devicetree(void);
104 #endif /* __KERNEL__ */
105 #endif /* _SPARC_PROM_H */