190 lines
7.2 KiB
C
190 lines
7.2 KiB
C
/* $NetBSD: sbusvar.h,v 1.1.1.1 1998/06/20 04:58:51 eeh Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Paul Kranenburg.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Lawrence Berkeley Laboratory.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)sbusvar.h 8.1 (Berkeley) 6/11/93
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*/
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#ifndef _SBUS_VAR_H
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#define _SBUS_VAR_H
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/*
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* Most devices are configured according to information kept in
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* the FORTH PROMs. In particular, we extract the `name', `reg',
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* and `address' properties of each device attached to the mainbus;
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* other drives may also use this information. The mainbus itself
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* (which `is' the CPU, in some sense) gets just the node, with a
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* fake name ("mainbus").
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*/
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/* Device register space description */
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struct sbus_reg {
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u_int32_t rr_iospace; /* register space (obio, etc) */
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u_int32_t rr_paddr; /* register physical address */
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u_int32_t rr_len; /* register length */
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};
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/* Interrupt information */
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struct sbus_intr {
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u_int32_t int_pri; /* priority (IPL) */
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u_int32_t int_vec; /* vector (always 0?) */
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};
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/* Address translation accross busses */
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struct sbus_range { /* Only used on v3 PROMs */
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u_int32_t cspace; /* Client space */
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u_int32_t coffset; /* Client offset */
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u_int32_t pspace; /* Parent space */
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u_int32_t poffset; /* Parent offset */
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u_int32_t size; /* Size in bytes of this range */
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};
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/*
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* S-bus variables.
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*/
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struct sbusdev {
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struct device *sd_dev; /* backpointer to generic */
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struct sbusdev *sd_bchain; /* forward link in bus chain */
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void (*sd_reset) __P((struct device *));
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};
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/* variables per Sbus */
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struct sbus_softc {
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struct device sc_dev; /* base device */
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bus_space_tag_t sc_bustag;
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bus_dma_tag_t sc_dmatag;
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int sc_clockfreq; /* clock frequency (in Hz) */
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struct sbusdev *sc_sbdev; /* list of all children */
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struct sbus_range *sc_range;
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int sc_nrange;
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int sc_burst; /* burst transfer sizes supported */
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int *sc_intr2ipl; /* Interrupt level translation */
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int *sc_intr_compat; /* `intr' property to sbus compat */
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struct sysioreg* sc_sysio; /* SBUS control registers */
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u_int sc_pagesize;
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u_int sc_dvmabase;
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int64_t *sc_tsb; /* TSB vaddr */
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int sc_tsbsize;
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vm_offset_t sc_ptsb; /* TSB physaddr */
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int sc_hasiocache;
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int sc_ign; /* Interrupt group number for this sysio */
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int32_t sc_flushpa; /* used to flush the SBUS */
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int64_t sc_flush;
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};
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/*
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* Sbus driver attach arguments.
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*/
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struct sbus_attach_args {
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bus_space_tag_t sa_bustag;
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bus_dma_tag_t sa_dmatag;
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char *sa_name; /* PROM node name */
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int sa_node; /* PROM handle */
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int sa_slot; /* Sbus slot number */
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int sa_offset; /* Sbus slot offset */
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int sa_size; /* Sbus space size */
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int sa_pri; /* priority (IPL) */
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void *sa_promvaddr; /* PROM virtual address, if any */
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struct bootpath *sa_bp; /* used for locating boot device */
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};
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/* sbus_attach() is also used from obio.c */
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#if 0
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void sbus_attach __P((struct sbus_softc *, char *, int, struct bootpath *,
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const char * const *));
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#endif
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int sbus_print __P((void *, const char *));
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int sbusdev_match __P((struct cfdata *, void *));
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void sbus_establish __P((struct sbusdev *, struct device *));
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int sbus_setup_attach_args __P((
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struct sbus_softc *,
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bus_space_tag_t,
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bus_dma_tag_t,
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int, /*node*/
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struct bootpath *,
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struct sbus_attach_args *));
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#define sbus_bus_map(t, b, a, s, f, v, hp) \
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bus_space_map2(t, b, a, s, f, v, hp)
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#endif /* _SBUS_VAR_H */
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