NetBSD/sys/dev/mvme/memcvar.h

63 lines
2.2 KiB
C

/* $NetBSD: memcvar.h,v 1.3 2012/10/27 17:18:27 chs 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 contoller
#endif
extern void memc_init(struct memc_softc *);
#endif /* _MVME_MEMCREG_H */