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autoconf.h revision 1.22 
      1 /*	$NetBSD: autoconf.h,v 1.22 2005/05/31 00:49:42 christos Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Paul Kranenburg.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * Copyright (c) 1992, 1993
     41  *	The Regents of the University of California.  All rights reserved.
     42  *
     43  * This software was developed by the Computer Systems Engineering group
     44  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
     45  * contributed to Berkeley.
     46  *
     47  * All advertising materials mentioning features or use of this software
     48  * must display the following acknowledgement:
     49  *	This product includes software developed by the University of
     50  *	California, Lawrence Berkeley Laboratory.
     51  *
     52  * Redistribution and use in source and binary forms, with or without
     53  * modification, are permitted provided that the following conditions
     54  * are met:
     55  * 1. Redistributions of source code must retain the above copyright
     56  *    notice, this list of conditions and the following disclaimer.
     57  * 2. Redistributions in binary form must reproduce the above copyright
     58  *    notice, this list of conditions and the following disclaimer in the
     59  *    documentation and/or other materials provided with the distribution.
     60  * 3. Neither the name of the University nor the names of its contributors
     61  *    may be used to endorse or promote products derived from this software
     62  *    without specific prior written permission.
     63  *
     64  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     65  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     66  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     67  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     68  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     69  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     70  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     71  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     72  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     73  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     74  * SUCH DAMAGE.
     75  *
     76  *	@(#)autoconf.h	8.2 (Berkeley) 9/30/93
     77  */
     78 
     79 /*
     80  * Autoconfiguration information.
     81  */
     82 
     83 #include <machine/bus.h>
     84 #include <machine/promlib.h>
     85 #include <dev/sbus/sbusvar.h>
     86 
     87 /* This is used to map device classes to IPLs */
     88 struct intrmap {
     89 	const char *in_class;
     90 	int	in_lev;
     91 };
     92 extern struct intrmap intrmap[];
     93 
     94 /* The "mainbus" on ultra desktops is actually the UPA bus.  We need to
     95  * separate this from peripheral buses like SBUS and PCI because each bus may
     96  * have different ways of encoding properties, such as "reg" and "interrupts".
     97  *
     98  * Eventually I'll create a real UPA bus module to allow servers with multiple
     99  * peripheral buses and things like FHC bus systems.
    100  */
    101 
    102 /* Encoding for one "reg" properties item */
    103 struct upa_reg {
    104 	int64_t	ur_paddr;
    105 	int64_t	ur_len;
    106 };
    107 
    108 /*
    109  * Attach arguments presented by mainbus_attach()
    110  *
    111  * Large fields first followed by smaller ones to minimize stack space used.
    112  */
    113 struct mainbus_attach_args {
    114 	bus_space_tag_t	ma_bustag;	/* parent bus tag */
    115 	bus_dma_tag_t	ma_dmatag;
    116 	const char	*ma_name;	/* PROM node name */
    117 	struct upa_reg	*ma_reg;	/* "reg" properties */
    118 	u_int		*ma_address;	/* "address" properties -- 32 bits */
    119 	u_int		*ma_interrupts;	/* "interrupts" properties */
    120 	int		ma_upaid;	/* UPA port ID */
    121 	int		ma_node;	/* PROM handle */
    122 	int		ma_nreg;	/* Counts for those properties */
    123 	int		ma_naddress;
    124 	int		ma_ninterrupts;
    125 	int		ma_pri;		/* priority (IPL) */
    126 };
    127 
    128 /*
    129  * The matchbyname function is useful in drivers that are matched
    130  * by romaux name, i.e., all `mainbus attached' devices.  It expects
    131  * its aux pointer to point to a pointer to the name (the address of
    132  * a romaux structure suffices, for instance). (OBSOLETE)
    133  */
    134 struct device;
    135 struct cfdata;
    136 int	matchbyname __P((struct device *, struct cfdata *cf, void *aux));
    137 
    138 /*
    139  * `clockfreq' produces a printable representation of a clock frequency
    140  * (this is just a frill).
    141  */
    142 char	*clockfreq __P((long freq));
    143 
    144 /* Openprom V2 style boot path */
    145 struct bootpath {
    146 	char	name[16];	/* name of this node */
    147 	int	val[3];		/* up to three optional values */
    148 	struct device *dev;	/* device that recognised this component */
    149 };
    150 struct bootpath	*bootpath_store __P((int, struct bootpath *));
    151 int		sd_crazymap __P((int));
    152 
    153 /* Parse a disk string into a dev_t, return device struct pointer */
    154 struct	device *parsedisk __P((char *, int, int, dev_t *));
    155 
    156 /* Establish a mountroot_hook, for benefit of floppy drive, mostly. */
    157 void	mountroot_hook_establish __P((void (*) __P((struct device *)),
    158 				      struct device *));
    159 
    160 void	bootstrap __P((int));
    161 struct device *getdevunit __P((const char *, int));
    162 int	romgetcursoraddr __P((int **, int **));
    163