xref: /netbsd-src/sys/dev/mvme/memcvar.h (revision 8940d9f0eb788e61875261c89ef7061ea2e31bef)
1*8940d9f0Smsaitoh /*	$NetBSD: memcvar.h,v 1.4 2019/08/21 04:17:41 msaitoh Exp $	*/
208bde987Sscw 
308bde987Sscw /*-
408bde987Sscw  * Copyright (c) 2002 The NetBSD Foundation, Inc.
508bde987Sscw  * All rights reserved.
608bde987Sscw  *
708bde987Sscw  * This code is derived from software contributed to The NetBSD Foundation
808bde987Sscw  * by Steve C. Woodford.
908bde987Sscw  *
1008bde987Sscw  * Redistribution and use in source and binary forms, with or without
1108bde987Sscw  * modification, are permitted provided that the following conditions
1208bde987Sscw  * are met:
1308bde987Sscw  * 1. Redistributions of source code must retain the above copyright
1408bde987Sscw  *    notice, this list of conditions and the following disclaimer.
1508bde987Sscw  * 2. Redistributions in binary form must reproduce the above copyright
1608bde987Sscw  *    notice, this list of conditions and the following disclaimer in the
1708bde987Sscw  *    documentation and/or other materials provided with the distribution.
1808bde987Sscw  *
1908bde987Sscw  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
2008bde987Sscw  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
2108bde987Sscw  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
2208bde987Sscw  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
2308bde987Sscw  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
2408bde987Sscw  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
2508bde987Sscw  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
2608bde987Sscw  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
2708bde987Sscw  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
2808bde987Sscw  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
2908bde987Sscw  * POSSIBILITY OF SUCH DAMAGE.
3008bde987Sscw  */
3108bde987Sscw 
3208bde987Sscw #ifndef	_MVME_MEMCVAR_H
3308bde987Sscw #define	_MVME_MEMCVAR_H
3408bde987Sscw 
3508bde987Sscw struct memc_softc {
36cbab9cadSchs 	device_t		sc_dev;
3708bde987Sscw 	bus_space_tag_t		sc_bust;
3808bde987Sscw 	bus_space_handle_t	sc_bush;
3908bde987Sscw 	struct evcnt		sc_evcnt;
4008bde987Sscw };
4108bde987Sscw 
4208bde987Sscw #define MEMC_NDEVS	2
4308bde987Sscw 
4408bde987Sscw #define	memc_reg_read(sc, off) \
4508bde987Sscw 	    bus_space_read_1((sc)->sc_bust, (sc)->sc_bush, (off))
4608bde987Sscw #define	memc_reg_write(sc, off, v) \
4708bde987Sscw 	    bus_space_write_1((sc)->sc_bust, (sc)->sc_bush, (off), (v))
4808bde987Sscw 
4908bde987Sscw /*
5008bde987Sscw  * Some tweakable parameters. Mind you, I don't recommend changing
5108bde987Sscw  * the ipl...
5208bde987Sscw  * XXX: This should probably be ipl 7
5308bde987Sscw  */
5408bde987Sscw #ifdef MVME68K
5508bde987Sscw #define MEMC_IRQ_LEVEL		6
5608bde987Sscw #else
57*8940d9f0Smsaitoh #error Define irq level for memory controller
5808bde987Sscw #endif
5908bde987Sscw 
6008bde987Sscw extern	void	memc_init(struct memc_softc *);
6108bde987Sscw 
6208bde987Sscw #endif	/* _MVME_MEMCREG_H */
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