126 lines
3.5 KiB
C
126 lines
3.5 KiB
C
#ifndef _SPARC_PROM_H
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#define _SPARC_PROM_H
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#ifdef __KERNEL__
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/*
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* Definitions for talking to the Open Firmware PROM on
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* Power Macintosh computers.
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*
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* Copyright (C) 1996-2005 Paul Mackerras.
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*
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* Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
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* Updates for SPARC by David S. Miller
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/types.h>
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#include <linux/proc_fs.h>
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#include <linux/mutex.h>
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#include <asm/atomic.h>
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#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2
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#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
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#define of_compat_cmp(s1, s2, l) strncmp((s1), (s2), (l))
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#define of_prop_cmp(s1, s2) strcasecmp((s1), (s2))
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#define of_node_cmp(s1, s2) strcmp((s1), (s2))
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typedef u32 phandle;
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typedef u32 ihandle;
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struct property {
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char *name;
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int length;
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void *value;
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struct property *next;
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unsigned long _flags;
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unsigned int unique_id;
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};
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struct of_irq_controller;
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struct device_node {
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const char *name;
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const char *type;
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phandle node;
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char *path_component_name;
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char *full_name;
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struct property *properties;
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struct property *deadprops; /* removed properties */
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struct device_node *parent;
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struct device_node *child;
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struct device_node *sibling;
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struct device_node *next; /* next device of same type */
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struct device_node *allnext; /* next in list of all nodes */
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struct proc_dir_entry *pde; /* this node's proc directory */
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struct kref kref;
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unsigned long _flags;
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void *data;
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unsigned int unique_id;
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struct of_irq_controller *irq_trans;
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};
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struct of_irq_controller {
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unsigned int (*irq_build)(struct device_node *, unsigned int, void *);
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void *data;
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};
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#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
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#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
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extern struct device_node *of_find_node_by_cpuid(int cpuid);
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extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
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extern struct mutex of_set_property_mutex;
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extern int of_getintprop_default(struct device_node *np,
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const char *name,
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int def);
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extern int of_find_in_proplist(const char *list, const char *match, int len);
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#ifdef CONFIG_NUMA
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extern int of_node_to_nid(struct device_node *dp);
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#else
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#define of_node_to_nid(dp) (-1)
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#endif
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extern void prom_build_devicetree(void);
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extern void of_populate_present_mask(void);
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extern void of_fill_in_cpu_data(void);
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/* Dummy ref counting routines - to be implemented later */
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static inline struct device_node *of_node_get(struct device_node *node)
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{
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return node;
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}
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static inline void of_node_put(struct device_node *node)
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{
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}
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/* These routines are here to provide compatibility with how powerpc
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* handles IRQ mapping for OF device nodes. We precompute and permanently
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* register them in the of_device objects, whereas powerpc computes them
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* on request.
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*/
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extern unsigned int irq_of_parse_and_map(struct device_node *node, int index);
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static inline void irq_dispose_mapping(unsigned int virq)
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{
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}
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/*
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* NB: This is here while we transition from using asm/prom.h
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* to linux/of.h
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*/
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#include <linux/of.h>
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extern struct device_node *of_console_device;
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extern char *of_console_path;
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extern char *of_console_options;
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extern void (*prom_build_more)(struct device_node *dp, struct device_node ***nextp);
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extern char *build_full_name(struct device_node *dp);
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#endif /* __KERNEL__ */
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#endif /* _SPARC_PROM_H */
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