diff options
Diffstat (limited to 'include/asm-sparc/prom.h')
-rw-r--r-- | include/asm-sparc/prom.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/include/asm-sparc/prom.h b/include/asm-sparc/prom.h new file mode 100644 index 000000000000..c5e3d26eabd3 --- /dev/null +++ b/include/asm-sparc/prom.h @@ -0,0 +1,98 @@ +#ifndef _SPARC_PROM_H +#define _SPARC_PROM_H +#ifdef __KERNEL__ + + +/* + * Definitions for talking to the Open Firmware PROM on + * Power Macintosh computers. + * + * Copyright (C) 1996-2005 Paul Mackerras. + * + * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp. + * Updates for SPARC32 by David S. Miller + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/types.h> +#include <linux/proc_fs.h> +#include <asm/atomic.h> + +typedef u32 phandle; +typedef u32 ihandle; + +struct interrupt_info { + int line; + int sense; /* +ve/-ve logic, edge or level, etc. */ +}; + +struct property { + char *name; + int length; + void *value; + struct property *next; +}; + +struct device_node { + char *name; + char *type; + phandle node; + phandle linux_phandle; + int n_intrs; + struct interrupt_info *intrs; + char *path_component_name; + char *full_name; + + struct property *properties; + struct property *deadprops; /* removed properties */ + struct device_node *parent; + struct device_node *child; + struct device_node *sibling; + struct device_node *next; /* next device of same type */ + struct device_node *allnext; /* next in list of all nodes */ + struct proc_dir_entry *pde; /* this node's proc directory */ + struct kref kref; + unsigned long _flags; + void *data; +}; + +static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de) +{ + dn->pde = de; +} + +extern struct device_node *of_find_node_by_name(struct device_node *from, + const char *name); +#define for_each_node_by_name(dn, name) \ + for (dn = of_find_node_by_name(NULL, name); dn; \ + dn = of_find_node_by_name(dn, name)) +extern struct device_node *of_find_node_by_type(struct device_node *from, + const char *type); +#define for_each_node_by_type(dn, type) \ + for (dn = of_find_node_by_type(NULL, type); dn; \ + dn = of_find_node_by_type(dn, type)) +extern struct device_node *of_find_compatible_node(struct device_node *from, + const char *type, const char *compat); +extern struct device_node *of_find_node_by_path(const char *path); +extern struct device_node *of_find_node_by_phandle(phandle handle); +extern struct device_node *of_get_parent(const struct device_node *node); +extern struct device_node *of_get_next_child(const struct device_node *node, + struct device_node *prev); +extern struct property *of_find_property(struct device_node *np, + const char *name, + int *lenp); +extern int of_device_is_compatible(struct device_node *device, const char *); +extern void *of_get_property(struct device_node *node, const char *name, + int *lenp); +extern int of_getintprop_default(struct device_node *np, + const char *name, + int def); + +extern void prom_build_devicetree(void); + +#endif /* __KERNEL__ */ +#endif /* _SPARC_PROM_H */ |