1 /* $NetBSD: memcvar.h,v 1.2 2008/04/28 20:23:54 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Steve C. Woodford. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _MVME_MEMCVAR_H 33 #define _MVME_MEMCVAR_H 34 35 struct memc_softc { 36 struct device sc_dev; 37 bus_space_tag_t sc_bust; 38 bus_space_handle_t sc_bush; 39 struct evcnt sc_evcnt; 40 }; 41 42 #define MEMC_NDEVS 2 43 44 #define memc_reg_read(sc, off) \ 45 bus_space_read_1((sc)->sc_bust, (sc)->sc_bush, (off)) 46 #define memc_reg_write(sc, off, v) \ 47 bus_space_write_1((sc)->sc_bust, (sc)->sc_bush, (off), (v)) 48 49 /* 50 * Some tweakable parameters. Mind you, I don't recommend changing 51 * the ipl... 52 * XXX: This should probably be ipl 7 53 */ 54 #ifdef MVME68K 55 #define MEMC_IRQ_LEVEL 6 56 #else 57 #error Define irq level for memory contoller 58 #endif 59 60 extern void memc_init(struct memc_softc *); 61 62 #endif /* _MVME_MEMCREG_H */ 63