xref: /netbsd/sys/arch/sh3/include/bus_defs.h (revision 8a06b90d)

/*	$NetBSD: bus_defs.h,v 1.2 2019/09/23 16:17:57 skrll Exp $	*/

/*-
 * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
 * NASA Ames Research Center.
 *
 * 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) 1996 Charles M. Hannum.  All rights reserved.
 * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
 *
 * 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 Christopher G. Demetriou
 *	for the NetBSD Project.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

#ifndef _SH3_BUS_DEFS_H_
#define	_SH3_BUS_DEFS_H_

#include <sys/bswap.h>

#define	__BUS_SPACE_HAS_STREAM_METHODS

#define	BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)

/*
 * Values for the sh3 bus space tag, not to be used directly by MI code.
 */
#define	SH3_BUS_SPACE_IO	0	/* space is i/o space */
#define	SH3_BUS_SPACE_MEM	1	/* space is mem space */
#define	SH3_BUS_SPACE_PCMCIA_IO 2	/* PCMCIA IO space */
#define	SH3_BUS_SPACE_PCMCIA_MEM 3	/* PCMCIA Mem space */
#define	SH3_BUS_SPACE_PCMCIA_ATT 4	/* PCMCIA Attr space */
#define	SH3_BUS_SPACE_PCMCIA_8BIT 0x8000 /* PCMCIA BUS 8 BIT WIDTH */
#define	SH3_BUS_SPACE_PCMCIA_IO8 \
            (SH3_BUS_SPACE_PCMCIA_IO|SH3_BUS_SPACE_PCMCIA_8BIT)
#define	SH3_BUS_SPACE_PCMCIA_MEM8 \
            (SH3_BUS_SPACE_PCMCIA_MEM|SH3_BUS_SPACE_PCMCIA_8BIT)
#define	SH3_BUS_SPACE_PCMCIA_ATT8 \
            (SH3_BUS_SPACE_PCMCIA_ATT|SH3_BUS_SPACE_PCMCIA_8BIT)

/*
 * Bus address and size types
 */
typedef u_long bus_addr_t;
typedef u_long bus_size_t;

#define PRIxBUSADDR	"lx"
#define PRIxBUSSIZE	"lx"
#define PRIuBUSSIZE	"lu"

/*
 * Access methods for bus resources and address space.
 */
typedef	int bus_space_tag_t;
typedef	u_long bus_space_handle_t;

#define PRIxBSH		"lx"

/*
 *	int bus_space_map (bus_space_tag_t t, bus_addr_t addr,
 *	    bus_size_t size, int flags, bus_space_handle_t *bshp);
 *
 * Map a region of bus space.
 */
#define	BUS_SPACE_MAP_CACHEABLE		0x01
#define	BUS_SPACE_MAP_LINEAR		0x02

#define	BUS_SPACE_BARRIER_READ	0x01		/* force read barrier */
#define	BUS_SPACE_BARRIER_WRITE	0x02		/* force write barrier */

#endif /* _SH3_BUS_DEFS_H_ */