xref: /openbsd-src/sys/arch/sparc64/dev/sbusvar.h (revision d874cce4b1d9fe6b41c9e4f2117a77d8a4a37b92)

/*	$OpenBSD: sbusvar.h,v 1.10 2008/06/26 05:42:13 ray Exp $	*/
/*	$NetBSD: sbusvar.h,v 1.7 1999/06/05 05:30:43 mrg Exp $ */

/*-
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Paul Kranenburg.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
 */

/*
 * 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. 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.
 *
 *	@(#)sbusvar.h	8.1 (Berkeley) 6/11/93
 */

#ifndef _SBUS_VAR_SPARC64_H_
#define _SBUS_VAR_SPARC64_H_

#include <machine/bus.h>

#include <sparc64/dev/iommuvar.h>

/*
 * 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").
 */

/* variables per SBus */
struct sbus_softc {
	struct	device		sc_dev;		/* base device */
	bus_space_tag_t		sc_bustag;
	bus_space_handle_t	sc_bh;
	bus_dma_tag_t		sc_dmatag;
	int			sc_clockfreq;	/* clock frequency (in Hz) */
	struct sbus_range	*sc_range;
	int			sc_nrange;
	int			sc_burst;	/* burst transfer sizes supported */
	int			*sc_intr2ipl;	/* Interrupt level translation */
	int			*sc_intr_compat;/* `intr' property to sbus compat */

	int			sc_ign;		/* Interrupt group number for this sysio */
	struct iommu_state	sc_is;		/* IOMMU state, see iommureg.h */
	struct strbuf_ctl	sc_sb;		/* Streaming buffer control */
	int64_t			sc_flush;	/* Streaming buffer flush */
	struct sbus_softc	*sc_master;	/* main SBus */
};

bus_addr_t sbus_bus_addr(bus_space_tag_t, u_int, u_int);

#endif /* _SBUS_VAR_SPARC64_H_ */