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#ifndef _PPC64_PROM_H
#define _PPC64_PROM_H
/*
* Definitions for talking to the Open Firmware PROM on
* Power Macintosh computers.
*
* Copyright (C) 1996 Paul Mackerras.
*
* Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
*
* 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.
*/
#define PTRRELOC(x) ((typeof(x))((unsigned long)(x) - offset))
#define PTRUNRELOC(x) ((typeof(x))((unsigned long)(x) + offset))
#define RELOC(x) (*PTRRELOC(&(x)))
#define LONG_LSW(X) (((unsigned long)X) & 0xffffffff)
#define LONG_MSW(X) (((unsigned long)X) >> 32)
typedef u32 phandle;
typedef void *ihandle;
typedef u32 phandle32;
typedef u32 ihandle32;
extern char *prom_display_paths[];
extern unsigned int prom_num_displays;
struct address_range {
unsigned long space;
unsigned long address;
unsigned long size;
};
struct interrupt_info {
int line;
int sense; /* +ve/-ve logic, edge or level, etc. */
};
struct pci_address {
u32 a_hi;
u32 a_mid;
u32 a_lo;
};
struct pci_range32 {
struct pci_address child_addr;
unsigned int parent_addr;
unsigned long size;
};
struct pci_range64 {
struct pci_address child_addr;
unsigned long parent_addr;
unsigned long size;
};
union pci_range {
struct {
struct pci_address addr;
u32 phys;
u32 size_hi;
} pci32;
struct {
struct pci_address addr;
u32 phys_hi;
u32 phys_lo;
u32 size_hi;
u32 size_lo;
} pci64;
};
struct _of_tce_table {
phandle node;
unsigned long base;
unsigned long size;
};
struct reg_property {
unsigned long address;
unsigned long size;
};
struct reg_property32 {
unsigned int address;
unsigned int size;
};
struct reg_property64 {
unsigned long address;
unsigned long size;
};
struct translation_property {
unsigned long virt;
unsigned long size;
unsigned long phys;
unsigned int flags;
};
struct property {
char *name;
int length;
unsigned char *value;
struct property *next;
};
/* NOTE: the device_node contains PCI specific info for pci devices.
* This perhaps could be hung off the device_node with another struct,
* but for now it is directly in the node. The phb ptr is a good
* indication of a real PCI node. Other nodes leave these fields zeroed.
*/
struct pci_controller;
struct TceTable;
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;
int busno; /* for pci devices */
int devfn; /* for pci devices */
struct pci_controller *phb; /* for pci devices */
struct TceTable *tce_table; /* for phb's or bridges */
#define DN_STATUS_BIST_FAILED (1<<0)
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 */
};
typedef u32 prom_arg_t;
struct prom_args {
u32 service;
u32 nargs;
u32 nret;
prom_arg_t args[10];
prom_arg_t *rets; /* Pointer to return values in args[16]. */
};
typedef struct {
u32 printf; /* void (*printf)(char *, ...); */
u32 memdump; /* void (*memdump)(unsigned char *, unsigned long); */
u32 dummy; /* void (*dummy)(void); */
} yaboot_debug_t;
struct prom_t {
unsigned long entry;
ihandle chosen;
int cpu;
ihandle stdout;
ihandle disp_node;
struct prom_args args;
unsigned long version;
unsigned long encode_phys_size;
struct bi_record *bi_recs;
#ifdef DEBUG_YABOOT
yaboot_debug_t *yaboot;
#endif
};
extern struct prom_t prom;
/* Prototypes */
extern void abort(void);
extern unsigned long prom_init(unsigned long, unsigned long, unsigned long,
unsigned long, unsigned long, yaboot_debug_t *);
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_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 prom_n_addr_cells(struct device_node* np);
extern int prom_n_size_cells(struct device_node* np);
extern void prom_get_irq_senses(unsigned char *senses, int off, int max);
#endif /* _PPC64_PROM_H */
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