xref: /linux/arch/sparc/include/asm/prom.h (revision e26207a3819684e9b4450a2d30bdd065fa92d9c7)
1 #include <linux/of.h>	/* linux/of.h gets to determine #include ordering */
2 #ifndef _SPARC_PROM_H
3 #define _SPARC_PROM_H
4 #ifdef __KERNEL__
5 
6 /*
7  * Definitions for talking to the Open Firmware PROM on
8  * Power Macintosh computers.
9  *
10  * Copyright (C) 1996-2005 Paul Mackerras.
11  *
12  * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
13  * Updates for SPARC by David S. Miller
14  *
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.
19  */
20 #include <linux/types.h>
21 #include <linux/proc_fs.h>
22 #include <linux/mutex.h>
23 #include <asm/atomic.h>
24 
25 #define OF_ROOT_NODE_ADDR_CELLS_DEFAULT	2
26 #define OF_ROOT_NODE_SIZE_CELLS_DEFAULT	1
27 
28 #define of_compat_cmp(s1, s2, l)	strncmp((s1), (s2), (l))
29 #define of_prop_cmp(s1, s2)		strcasecmp((s1), (s2))
30 #define of_node_cmp(s1, s2)		strcmp((s1), (s2))
31 
32 struct of_irq_controller {
33 	unsigned int	(*irq_build)(struct device_node *, unsigned int, void *);
34 	void		*data;
35 };
36 
37 extern struct device_node *of_find_node_by_cpuid(int cpuid);
38 extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
39 extern struct mutex of_set_property_mutex;
40 extern int of_getintprop_default(struct device_node *np,
41 				 const char *name,
42 				 int def);
43 extern int of_find_in_proplist(const char *list, const char *match, int len);
44 #ifdef CONFIG_NUMA
45 extern int of_node_to_nid(struct device_node *dp);
46 #else
47 #define of_node_to_nid(dp)	(-1)
48 #endif
49 
50 extern void prom_build_devicetree(void);
51 extern void of_populate_present_mask(void);
52 extern void of_fill_in_cpu_data(void);
53 
54 /* These routines are here to provide compatibility with how powerpc
55  * handles IRQ mapping for OF device nodes.  We precompute and permanently
56  * register them in the of_device objects, whereas powerpc computes them
57  * on request.
58  */
59 extern unsigned int irq_of_parse_and_map(struct device_node *node, int index);
60 static inline void irq_dispose_mapping(unsigned int virq)
61 {
62 }
63 
64 extern struct device_node *of_console_device;
65 extern char *of_console_path;
66 extern char *of_console_options;
67 
68 extern void (*prom_build_more)(struct device_node *dp, struct device_node ***nextp);
69 extern char *build_full_name(struct device_node *dp);
70 
71 #endif /* __KERNEL__ */
72 #endif /* _SPARC_PROM_H */
73