/*      $NetBSD: memcvar.h,v 1.4 2019/08/21 04:17:41 msaitoh Exp $      */

/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Steve C. Woodford.
*
* 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.
*/

#ifndef _MVME_MEMCVAR_H
#define _MVME_MEMCVAR_H

struct memc_softc {
       device_t                sc_dev;
       bus_space_tag_t         sc_bust;
       bus_space_handle_t      sc_bush;
       struct evcnt            sc_evcnt;
};

#define MEMC_NDEVS      2

#define memc_reg_read(sc, off) \
           bus_space_read_1((sc)->sc_bust, (sc)->sc_bush, (off))
#define memc_reg_write(sc, off, v) \
           bus_space_write_1((sc)->sc_bust, (sc)->sc_bush, (off), (v))

/*
* Some tweakable parameters. Mind you, I don't recommend changing
* the ipl...
* XXX: This should probably be ipl 7
*/
#ifdef MVME68K
#define MEMC_IRQ_LEVEL          6
#else
#error Define irq level for memory controller
#endif

extern  void    memc_init(struct memc_softc *);

#endif  /* _MVME_MEMCREG_H */