arch/sparc/include/asm/prom.h

   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 */