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/*
* Definitions for talking to the Open Firmware PROM on
* Power Macintosh computers.
*
* Copyright (C) 1996 Paul Mackerras.
*/
#ifndef _PPC_PROM_H
#define _PPC_PROM_H
typedef void *phandle;
typedef void *ihandle;
extern char *prom_display_paths[];
extern unsigned int prom_num_displays;
struct address_range {
unsigned int space;
unsigned int address;
unsigned int size;
};
struct interrupt_info {
int line;
int sense; /* +ve/-ve logic, edge or level, etc. */
};
struct reg_property {
unsigned int address;
unsigned int size;
};
struct translation_property {
unsigned int virt;
unsigned int size;
unsigned int phys;
unsigned int flags;
};
struct property {
char *name;
int length;
unsigned char *value;
struct property *next;
};
struct device_node {
char *name;
char *type;
phandle node;
int n_addrs;
struct address_range *addrs;
int n_intrs;
struct interrupt_info *intrs;
char *full_name;
struct property *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 prom_args;
typedef void (*prom_entry)(struct prom_args *);
/* Prototypes */
extern void abort(void);
extern unsigned long prom_init(int, int, prom_entry);
extern void prom_print(const char *msg);
extern void relocate_nodes(void);
extern void finish_device_tree(void);
extern struct device_node *find_devices(const char *name);
extern struct device_node *find_type_devices(const char *type);
extern struct device_node *find_path_device(const char *path);
extern struct device_node *find_compatible_devices(const char *type,
const char *compat);
extern struct device_node *find_pci_device_OFnode(unsigned char bus,
unsigned char dev_fn);
extern struct device_node *find_phandle(phandle);
extern struct device_node *find_all_nodes(void);
extern int device_is_compatible(struct device_node *device, const char *);
extern int machine_is_compatible(const char *compat);
extern unsigned char *get_property(struct device_node *node, const char *name,
int *lenp);
extern void print_properties(struct device_node *node);
extern int call_rtas(const char *service, int nargs, int nret,
unsigned long *outputs, ...);
extern void prom_drawstring(const char *c);
extern void prom_drawhex(unsigned long v);
extern void prom_drawchar(char c);
extern void map_bootx_text(void);
#endif /* _PPC_PROM_H */
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