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vme_two_68k.c revision 1.8
      1  1.8  tsutsui /*	$NetBSD: vme_two_68k.c,v 1.8 2008/01/12 09:54:27 tsutsui Exp $	*/
      2  1.1      scw 
      3  1.1      scw /*-
      4  1.1      scw  * Copyright (c) 1999, 2002 The NetBSD Foundation, Inc.
      5  1.1      scw  * All rights reserved.
      6  1.1      scw  *
      7  1.1      scw  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1      scw  * by Steve C. Woodford.
      9  1.1      scw  *
     10  1.1      scw  * Redistribution and use in source and binary forms, with or without
     11  1.1      scw  * modification, are permitted provided that the following conditions
     12  1.1      scw  * are met:
     13  1.1      scw  * 1. Redistributions of source code must retain the above copyright
     14  1.1      scw  *    notice, this list of conditions and the following disclaimer.
     15  1.1      scw  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1      scw  *    notice, this list of conditions and the following disclaimer in the
     17  1.1      scw  *    documentation and/or other materials provided with the distribution.
     18  1.1      scw  * 3. All advertising materials mentioning features or use of this software
     19  1.1      scw  *    must display the following acknowledgement:
     20  1.1      scw  *        This product includes software developed by the NetBSD
     21  1.1      scw  *        Foundation, Inc. and its contributors.
     22  1.1      scw  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.1      scw  *    contributors may be used to endorse or promote products derived
     24  1.1      scw  *    from this software without specific prior written permission.
     25  1.1      scw  *
     26  1.1      scw  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.1      scw  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.1      scw  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.1      scw  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.1      scw  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.1      scw  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.1      scw  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.1      scw  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.1      scw  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.1      scw  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.1      scw  * POSSIBILITY OF SUCH DAMAGE.
     37  1.1      scw  */
     38  1.1      scw 
     39  1.1      scw /*
     40  1.1      scw  * Front-end for the VMEchip2 found on the MVME-1[67][27] boards.
     41  1.1      scw  */
     42  1.6    lukem 
     43  1.6    lukem #include <sys/cdefs.h>
     44  1.8  tsutsui __KERNEL_RCSID(0, "$NetBSD: vme_two_68k.c,v 1.8 2008/01/12 09:54:27 tsutsui Exp $");
     45  1.1      scw 
     46  1.1      scw #include "vmetwo.h"
     47  1.1      scw 
     48  1.1      scw #include <sys/param.h>
     49  1.1      scw #include <sys/kernel.h>
     50  1.1      scw #include <sys/systm.h>
     51  1.1      scw #include <sys/device.h>
     52  1.1      scw 
     53  1.1      scw #include <machine/cpu.h>
     54  1.1      scw #include <machine/bus.h>
     55  1.1      scw 
     56  1.1      scw #include <dev/vme/vmereg.h>
     57  1.1      scw #include <dev/vme/vmevar.h>
     58  1.1      scw 
     59  1.1      scw #include <mvme68k/mvme68k/isr.h>
     60  1.1      scw #include <mvme68k/dev/mainbus.h>
     61  1.1      scw 
     62  1.1      scw #include <dev/mvme/mvmebus.h>
     63  1.1      scw #include <dev/mvme/vme_tworeg.h>
     64  1.1      scw #include <dev/mvme/vme_twovar.h>
     65  1.1      scw 
     66  1.8  tsutsui #include "ioconf.h"
     67  1.2      scw 
     68  1.2      scw static void vmetwoisrlink(void *, int (*)(void *), void *,
     69  1.2      scw 	int, int, struct evcnt *);
     70  1.2      scw static void vmetwoisrunlink(void *, int);
     71  1.2      scw static struct evcnt *vmetwoisrevcnt(void *, int);
     72  1.2      scw 
     73  1.2      scw #if NVMETWO > 0
     74  1.2      scw 
     75  1.8  tsutsui int vmetwo_match(struct device *, struct cfdata *, void *);
     76  1.8  tsutsui void vmetwo_attach(struct device *, struct device *, void *);
     77  1.1      scw 
     78  1.5  thorpej CFATTACH_DECL(vmetwo, sizeof(struct vmetwo_softc),
     79  1.5  thorpej     vmetwo_match, vmetwo_attach, NULL, NULL);
     80  1.1      scw 
     81  1.1      scw 
     82  1.1      scw /* ARGSUSED */
     83  1.1      scw int
     84  1.8  tsutsui vmetwo_match(struct device *parent, struct cfdata *cf, void *aux)
     85  1.1      scw {
     86  1.1      scw 	struct mainbus_attach_args *ma;
     87  1.1      scw 	static int matched = 0;
     88  1.1      scw 
     89  1.1      scw 	ma = aux;
     90  1.1      scw 
     91  1.1      scw 	if (strcmp(ma->ma_name, vmetwo_cd.cd_name))
     92  1.8  tsutsui 		return 0;
     93  1.1      scw 
     94  1.1      scw 	/* Only one VMEchip2, please. */
     95  1.1      scw 	if (matched++)
     96  1.8  tsutsui 		return 0;
     97  1.1      scw 
     98  1.1      scw 	/*
     99  1.1      scw 	 * Some mvme1[67]2 boards have a `no VMEchip2' build option...
    100  1.1      scw 	 */
    101  1.8  tsutsui 	return vmetwo_probe(ma->ma_bust, ma->ma_offset) ? 1 : 0;
    102  1.1      scw }
    103  1.1      scw 
    104  1.1      scw /* ARGSUSED */
    105  1.1      scw void
    106  1.8  tsutsui vmetwo_attach(struct device *parent, struct device *self, void *aux)
    107  1.1      scw {
    108  1.1      scw 	struct mainbus_attach_args *ma;
    109  1.1      scw 	struct vmetwo_softc *sc;
    110  1.1      scw 
    111  1.1      scw 	sc = (struct vmetwo_softc *) self;
    112  1.1      scw 	ma = aux;
    113  1.1      scw 
    114  1.1      scw 	/*
    115  1.1      scw 	 * Map the local control registers
    116  1.1      scw 	 */
    117  1.1      scw 	bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_LCSR_OFFSET,
    118  1.1      scw 	    VME2LCSR_SIZE, 0, &sc->sc_lcrh);
    119  1.1      scw 
    120  1.1      scw #ifdef notyet
    121  1.1      scw 	/*
    122  1.1      scw 	 * Map the global control registers
    123  1.1      scw 	 */
    124  1.1      scw 	bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_GCSR_OFFSET,
    125  1.1      scw 	    VME2GCSR_SIZE, 0, &sc->sc_gcrh);
    126  1.1      scw #endif
    127  1.1      scw 
    128  1.1      scw 	/* Initialise stuff for the common vme_two back-end */
    129  1.1      scw 	sc->sc_mvmebus.sc_bust = ma->ma_bust;
    130  1.1      scw 	sc->sc_mvmebus.sc_dmat = ma->ma_dmat;
    131  1.2      scw 
    132  1.2      scw 	vmetwo_init(sc);
    133  1.2      scw }
    134  1.2      scw 
    135  1.2      scw #endif	/* NVMETWO > 0 */
    136  1.2      scw 
    137  1.2      scw void
    138  1.8  tsutsui vmetwo_md_intr_init(struct vmetwo_softc *sc)
    139  1.2      scw {
    140  1.2      scw 
    141  1.1      scw 	sc->sc_isrlink = vmetwoisrlink;
    142  1.1      scw 	sc->sc_isrunlink = vmetwoisrunlink;
    143  1.1      scw 	sc->sc_isrevcnt = vmetwoisrevcnt;
    144  1.1      scw }
    145  1.1      scw 
    146  1.1      scw /* ARGSUSED */
    147  1.1      scw static void
    148  1.8  tsutsui vmetwoisrlink(void *cookie, int (*fn)(void *), void *arg, int ipl, int vec,
    149  1.8  tsutsui     struct evcnt *evcnt)
    150  1.1      scw {
    151  1.1      scw 
    152  1.1      scw 	isrlink_vectored(fn, arg, ipl, vec, evcnt);
    153  1.1      scw }
    154  1.1      scw 
    155  1.1      scw /* ARGSUSED */
    156  1.1      scw static void
    157  1.8  tsutsui vmetwoisrunlink(void *cookie, int vec)
    158  1.1      scw {
    159  1.1      scw 
    160  1.1      scw 	isrunlink_vectored(vec);
    161  1.1      scw }
    162  1.1      scw 
    163  1.1      scw /* ARGSUSED */
    164  1.1      scw static struct evcnt *
    165  1.8  tsutsui vmetwoisrevcnt(void *cookie, int ipl)
    166  1.1      scw {
    167  1.1      scw 
    168  1.8  tsutsui 	return isrlink_evcnt(ipl);
    169  1.1      scw }
    170