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/* $NetBSD: autoconf.h,v 1.16 1996/04/10 20:33:38 pk Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)autoconf.h 8.2 (Berkeley) 9/30/93
*/
/*
* Autoconfiguration information.
*/
/*
* Most devices are configured according to information kept in
* the FORTH PROMs. In particular, we extract the `name', `reg',
* and `address' properties of each device attached to the mainbus;
* other drives may also use this information. The mainbus itself
* (which `is' the CPU, in some sense) gets just the node, with a
* fake name ("mainbus").
*/
#define RA_MAXVADDR 8 /* max (virtual) addresses per device */
#define RA_MAXREG 16 /* max # of register banks per device */
#define RA_MAXINTR 8 /* max interrupts per device */
#define RA_MAXRANGE 10 /* max # of bus translations */
struct romaux {
const char *ra_name; /* name from FORTH PROM */
int ra_node; /* FORTH PROM node ID */
void *ra_vaddrs[RA_MAXVADDR];/* ROM mapped virtual addresses */
int ra_nvaddrs; /* # of ra_vaddrs[]s, may be 0 */
#define ra_vaddr ra_vaddrs[0] /* compatibility */
struct rom_reg {
int rr_iospace; /* register space (obio, etc) */
void *rr_paddr; /* register physical address */
int rr_len; /* register length */
} ra_reg[RA_MAXREG];
int ra_nreg; /* # of ra_reg[]s */
#define ra_iospace ra_reg[0].rr_iospace
#define ra_paddr ra_reg[0].rr_paddr
#define ra_len ra_reg[0].rr_len
struct rom_intr { /* interrupt information: */
int int_pri; /* priority (IPL) */
int int_vec; /* vector (always 0?) */
} ra_intr[RA_MAXINTR];
int ra_nintr; /* number of interrupt info elements */
struct rom_range { /* Only used on v3 PROMs */
u_int32_t cspace; /* Client space */
u_int32_t coffset; /* Client offset */
u_int32_t pspace; /* Parent space */
u_int32_t poffset; /* Parent offset */
u_int32_t size; /* Size in bytes of this range */
} ra_range[RA_MAXRANGE];
int ra_nrange;
struct bootpath *ra_bp; /* used for locating boot device */
};
struct confargs {
int ca_bustype;
struct romaux ca_ra;
int ca_slot;
int ca_offset;
};
#define BUS_MAIN 0
#define BUS_OBIO 1
#define BUS_VME16 2
#define BUS_VME32 3
#define BUS_SBUS 4
extern int bt2pmt[];
/*
* mapiodev maps an I/O device to a virtual address, returning the address.
* mapdev does the real work: you can supply a special virtual address and
* it will use that instead of creating one, but you must only do this if
* you get it from ../sparc/vaddrs.h.
*/
void *mapdev __P((struct rom_reg *pa, int va,
int offset, int size, int bustype));
#define mapiodev(pa, offset, size, bustype) \
mapdev(pa, 0, offset, size, bustype)
/*
* REG2PHYS is provided for drivers with a `d_mmap' function.
*/
#define REG2PHYS(rr, offset, bt) \
(((u_int)(rr)->rr_paddr + (offset)) | \
((CPU_ISSUN4M) \
? ((rr)->rr_iospace << PMAP_SHFT4M) \
: bt2pmt[bt]) \
)
/* For VME and sun4/obio busses */
void *bus_map __P((struct rom_reg *, int, int));
void *bus_tmp __P((void *, int));
void bus_untmp __P((void));
/*
* The various getprop* functions obtain `properties' from the ROMs.
* getprop() obtains a property as a byte-sequence, and returns its
* length; the others convert or make some other guarantee.
*/
int getprop __P((int node, char *name, void *buf, int bufsiz));
char *getpropstring __P((int node, char *name));
int getpropint __P((int node, char *name, int deflt));
/* Frequently used options node */
extern int optionsnode;
/*
* The romprop function gets physical and virtual addresses from the PROM
* and fills in a romaux. It returns 1 on success, 0 if the physical
* address is not available as a "reg" property.
*/
int romprop __P((struct romaux *ra, const char *name, int node));
/*
* The matchbyname function is useful in drivers that are matched
* by romaux name, i.e., all `mainbus attached' devices. It expects
* its aux pointer to point to a pointer to the name (the address of
* a romaux structure suffices, for instance).
*/
struct device;
int matchbyname __P((struct device *, void *cf, void *aux));
/*
* `clockfreq' produces a printable representation of a clock frequency
* (this is just a frill).
*/
char *clockfreq __P((int freq));
/*
* Memory description arrays. Shared between pmap.c and autoconf.c; no
* one else should use this (except maybe mem.c, e.g., if we fix the VM to
* handle discontiguous physical memory).
*/
struct memarr {
u_int addr;
u_int len;
};
int makememarr(struct memarr *, int max, int which);
#define MEMARR_AVAILPHYS 0
#define MEMARR_TOTALPHYS 1
/* Pass a string to the FORTH interpreter. May fail silently. */
void rominterpret __P((char *));
/* Openprom V2 style boot path */
struct bootpath {
char name[16]; /* name of this node */
int val[3]; /* up to three optional values */
struct device *dev; /* device that recognised this component */
};
struct bootpath *bootpath_store __P((int, struct bootpath *));
int sd_crazymap __P((int));
/* Parse a disk string into a dev_t, return device struct pointer */
struct device *parsedisk __P((char *, int, int, dev_t *));
/* Establish a mountroot_hook, for benefit of floppy drive, mostly. */
void mountroot_hook_establish __P((void (*) __P((struct device *)),
struct device *));
void configure __P((void));
void bootstrap __P((void));
int firstchild __P((int));
int nextsibling __P((int));
void callrom __P((void));
struct device *getdevunit __P((char *, int));
void *findzs __P((int));
int romgetcursoraddr __P((int **, int **));
int findroot __P((void));
int findnode __P((int, const char *));
int opennode __P((char *));
int node_has_property __P((int, const char *));
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