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 /* Dummy ref counting routines - to be implemented later */ 55 static inline struct device_node *of_node_get(struct device_node *node) 56 { 57 return node; 58 } 59 static inline void of_node_put(struct device_node *node) 60 { 61 } 62 63 /* These routines are here to provide compatibility with how powerpc 64 * handles IRQ mapping for OF device nodes. We precompute and permanently 65 * register them in the of_device objects, whereas powerpc computes them 66 * on request. 67 */ 68 extern unsigned int irq_of_parse_and_map(struct device_node *node, int index); 69 static inline void irq_dispose_mapping(unsigned int virq) 70 { 71 } 72 73 extern struct device_node *of_console_device; 74 extern char *of_console_path; 75 extern char *of_console_options; 76 77 extern void (*prom_build_more)(struct device_node *dp, struct device_node ***nextp); 78 extern char *build_full_name(struct device_node *dp); 79 80 #endif /* __KERNEL__ */ 81 #endif /* _SPARC_PROM_H */ 82