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 typedef u32 phandle; 33 typedef u32 ihandle; 34 35 struct property { 36 char *name; 37 int length; 38 void *value; 39 struct property *next; 40 unsigned long _flags; 41 unsigned int unique_id; 42 }; 43 44 struct of_irq_controller; 45 struct device_node { 46 const char *name; 47 const char *type; 48 phandle node; 49 char *path_component_name; 50 char *full_name; 51 52 struct property *properties; 53 struct property *deadprops; /* removed properties */ 54 struct device_node *parent; 55 struct device_node *child; 56 struct device_node *sibling; 57 struct device_node *next; /* next device of same type */ 58 struct device_node *allnext; /* next in list of all nodes */ 59 struct proc_dir_entry *pde; /* this node's proc directory */ 60 struct kref kref; 61 unsigned long _flags; 62 void *data; 63 unsigned int unique_id; 64 65 struct of_irq_controller *irq_trans; 66 }; 67 68 struct of_irq_controller { 69 unsigned int (*irq_build)(struct device_node *, unsigned int, void *); 70 void *data; 71 }; 72 73 #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags) 74 #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags) 75 76 extern struct device_node *of_find_node_by_cpuid(int cpuid); 77 extern int of_set_property(struct device_node *node, const char *name, void *val, int len); 78 extern struct mutex of_set_property_mutex; 79 extern int of_getintprop_default(struct device_node *np, 80 const char *name, 81 int def); 82 extern int of_find_in_proplist(const char *list, const char *match, int len); 83 #ifdef CONFIG_NUMA 84 extern int of_node_to_nid(struct device_node *dp); 85 #else 86 #define of_node_to_nid(dp) (-1) 87 #endif 88 89 extern void prom_build_devicetree(void); 90 extern void of_populate_present_mask(void); 91 extern void of_fill_in_cpu_data(void); 92 93 /* Dummy ref counting routines - to be implemented later */ 94 static inline struct device_node *of_node_get(struct device_node *node) 95 { 96 return node; 97 } 98 static inline void of_node_put(struct device_node *node) 99 { 100 } 101 102 /* These routines are here to provide compatibility with how powerpc 103 * handles IRQ mapping for OF device nodes. We precompute and permanently 104 * register them in the of_device objects, whereas powerpc computes them 105 * on request. 106 */ 107 extern unsigned int irq_of_parse_and_map(struct device_node *node, int index); 108 static inline void irq_dispose_mapping(unsigned int virq) 109 { 110 } 111 112 extern struct device_node *of_console_device; 113 extern char *of_console_path; 114 extern char *of_console_options; 115 116 extern void (*prom_build_more)(struct device_node *dp, struct device_node ***nextp); 117 extern char *build_full_name(struct device_node *dp); 118 119 #endif /* __KERNEL__ */ 120 #endif /* _SPARC_PROM_H */ 121