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mkclock_hb.c revision 1.8 
      1 /*	$NetBSD: mkclock_hb.c,v 1.8 2003/11/01 22:49:38 tsutsui Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 __KERNEL_RCSID(0, "$NetBSD: mkclock_hb.c,v 1.8 2003/11/01 22:49:38 tsutsui Exp $");
     41 
     42 #include <sys/param.h>
     43 #include <sys/kernel.h>
     44 #include <sys/systm.h>
     45 #include <sys/device.h>
     46 
     47 #include <machine/cpu.h>
     48 #include <machine/bus.h>
     49 
     50 #include <dev/clock_subr.h>
     51 #include <dev/ic/mk48txxreg.h>
     52 #include <dev/ic/mk48txxvar.h>
     53 
     54 #include <news68k/news68k/clockvar.h>
     55 
     56 #include <news68k/dev/hbvar.h>
     57 
     58 int  mkclock_hb_match(struct device *, struct cfdata  *, void *);
     59 void mkclock_hb_attach(struct device *, struct device *, void *);
     60 
     61 CFATTACH_DECL(mkclock_hb, sizeof(struct mk48txx_softc),
     62     mkclock_hb_match, mkclock_hb_attach, NULL, NULL);
     63 
     64 extern struct cfdriver mkclock_cd;
     65 
     66 int
     67 mkclock_hb_match(parent, cf, aux)
     68 	struct device *parent;
     69 	struct cfdata *cf;
     70 	void *aux;
     71 {
     72 	struct hb_attach_args *ha = aux;
     73 	static int mkclock_hb_matched;
     74 
     75 	/* Only one clock, please. */
     76 	if (mkclock_hb_matched)
     77 		return (0);
     78 
     79 	if (strcmp(ha->ha_name, mkclock_cd.cd_name))
     80 		return (0);
     81 
     82 	ha->ha_size = MK48T02_CLKSZ;
     83 
     84 	mkclock_hb_matched = 1;
     85 
     86 	return 1;
     87 }
     88 
     89 void
     90 mkclock_hb_attach(parent, self, aux)
     91 	struct device *parent, *self;
     92 	void *aux;
     93 {
     94 	struct mk48txx_softc *sc = (void *)self;
     95 	struct hb_attach_args *ha = aux;
     96 
     97 	sc->sc_bst = ha->ha_bust;
     98 	if (bus_space_map(sc->sc_bst, (bus_addr_t)ha->ha_address, ha->ha_size,
     99 	    0, &sc->sc_bsh) != 0)
    100 		printf("can't map device space\n");
    101 
    102 	sc->sc_model = "mk48t02";
    103 	sc->sc_year0 = 1900;
    104 	mk48txx_attach(sc);
    105 
    106 	printf("\n");
    107 
    108 	todr_attach(&sc->sc_handle);
    109 }
    110