Home | History | Annotate | Line # | Download | only in dev
sbusvar.h revision 1.1
      1 /*	$NetBSD: sbusvar.h,v 1.1 1998/06/20 04:58:51 eeh Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 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. All advertising materials mentioning features or use of this software
     61  *    must display the following acknowledgement:
     62  *	This product includes software developed by the University of
     63  *	California, Berkeley and its contributors.
     64  * 4. Neither the name of the University nor the names of its contributors
     65  *    may be used to endorse or promote products derived from this software
     66  *    without specific prior written permission.
     67  *
     68  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     69  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     70  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     71  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     72  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     73  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     74  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     75  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     76  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     77  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     78  * SUCH DAMAGE.
     79  *
     80  *	@(#)sbusvar.h	8.1 (Berkeley) 6/11/93
     81  */
     82 
     83 #ifndef _SBUS_VAR_H
     84 #define _SBUS_VAR_H
     85 
     86 /*
     87  * Most devices are configured according to information kept in
     88  * the FORTH PROMs.  In particular, we extract the `name', `reg',
     89  * and `address' properties of each device attached to the mainbus;
     90  * other drives may also use this information.  The mainbus itself
     91  * (which `is' the CPU, in some sense) gets just the node, with a
     92  * fake name ("mainbus").
     93  */
     94 
     95 /* Device register space description */
     96 struct sbus_reg {
     97 	u_int32_t	rr_iospace;	/* register space (obio, etc) */
     98 	u_int32_t	rr_paddr;	/* register physical address */
     99 	u_int32_t	rr_len;		/* register length */
    100 };
    101 
    102 /* Interrupt information */
    103 struct sbus_intr {
    104 	u_int32_t	int_pri;	/* priority (IPL) */
    105 	u_int32_t	int_vec;	/* vector (always 0?) */
    106 };
    107 
    108 /* Address translation accross busses */
    109 struct sbus_range {		/* Only used on v3 PROMs */
    110 	u_int32_t	cspace;		/* Client space */
    111 	u_int32_t	coffset;	/* Client offset */
    112 	u_int32_t	pspace;		/* Parent space */
    113 	u_int32_t	poffset;	/* Parent offset */
    114 	u_int32_t	size;		/* Size in bytes of this range */
    115 };
    116 
    117 /*
    118  * S-bus variables.
    119  */
    120 struct sbusdev {
    121 	struct	device *sd_dev;		/* backpointer to generic */
    122 	struct	sbusdev *sd_bchain;	/* forward link in bus chain */
    123 	void	(*sd_reset) __P((struct device *));
    124 };
    125 
    126 /* variables per Sbus */
    127 struct sbus_softc {
    128 	struct	device sc_dev;		/* base device */
    129 	bus_space_tag_t	sc_bustag;
    130 	bus_dma_tag_t	sc_dmatag;
    131 	int	sc_clockfreq;		/* clock frequency (in Hz) */
    132 	struct	sbusdev *sc_sbdev;	/* list of all children */
    133 	struct	sbus_range *sc_range;
    134 	int	sc_nrange;
    135 	int	sc_burst;		/* burst transfer sizes supported */
    136 	int	*sc_intr2ipl;		/* Interrupt level translation */
    137 	int	*sc_intr_compat;	/* `intr' property to sbus compat */
    138 
    139 	struct sysioreg* sc_sysio;	/* SBUS control registers */
    140 	u_int		sc_pagesize;
    141 	u_int		sc_dvmabase;
    142         int64_t		*sc_tsb;	/* TSB vaddr */
    143 	int		sc_tsbsize;
    144 	vm_offset_t	sc_ptsb;	/* TSB physaddr */
    145 	int		sc_hasiocache;
    146 	int		sc_ign;		/* Interrupt group number for this sysio */
    147 
    148 	int32_t		sc_flushpa;	/* used to flush the SBUS */
    149 	int64_t		sc_flush;
    150 };
    151 
    152 /*
    153  * Sbus driver attach arguments.
    154  */
    155 struct sbus_attach_args {
    156 	bus_space_tag_t	sa_bustag;
    157 	bus_dma_tag_t	sa_dmatag;
    158 	char		*sa_name;	/* PROM node name */
    159 	int		sa_node;	/* PROM handle */
    160 	int		sa_slot;	/* Sbus slot number */
    161 	int		sa_offset;	/* Sbus slot offset */
    162 	int		sa_size;	/* Sbus space size */
    163 	int		sa_pri;		/* priority (IPL) */
    164 	void		*sa_promvaddr;	/* PROM virtual address, if any */
    165 	struct bootpath *sa_bp;		/* used for locating boot device */
    166 };
    167 
    168 /* sbus_attach() is also used from obio.c */
    169 #if 0
    170 void	sbus_attach __P((struct sbus_softc *, char *, int, struct bootpath *,
    171 			 const char * const *));
    172 #endif
    173 int	sbus_print __P((void *, const char *));
    174 
    175 int	sbusdev_match __P((struct cfdata *, void *));
    176 void	sbus_establish __P((struct sbusdev *, struct device *));
    177 
    178 int	sbus_setup_attach_args __P((
    179 		struct sbus_softc *,
    180 		bus_space_tag_t,
    181 		bus_dma_tag_t,
    182 		int,			/*node*/
    183 		struct bootpath *,
    184 		struct sbus_attach_args *));
    185 
    186 #define sbus_bus_map(t, b, a, s, f, v, hp) \
    187 	bus_space_map2(t, b, a, s, f, v, hp)
    188 
    189 #endif /* _SBUS_VAR_H */
    190