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      1 /*	$NetBSD: mkclock_hb.c,v 1.15 2008/04/28 20:23:30 martin 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  *
     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 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: mkclock_hb.c,v 1.15 2008/04/28 20:23:30 martin Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/kernel.h>
     37 #include <sys/systm.h>
     38 #include <sys/device.h>
     39 
     40 #include <machine/cpu.h>
     41 #include <machine/bus.h>
     42 
     43 #include <dev/clock_subr.h>
     44 #include <dev/ic/mk48txxreg.h>
     45 #include <dev/ic/mk48txxvar.h>
     46 
     47 #include <news68k/news68k/clockvar.h>
     48 
     49 #include <news68k/dev/hbvar.h>
     50 
     51 #include "ioconf.h"
     52 
     53 static int  mkclock_hb_match(device_t, cfdata_t, void *);
     54 static void mkclock_hb_attach(device_t, device_t, void *);
     55 
     56 CFATTACH_DECL_NEW(mkclock_hb, sizeof(struct mk48txx_softc),
     57     mkclock_hb_match, mkclock_hb_attach, NULL, NULL);
     58 
     59 static int
     60 mkclock_hb_match(device_t parent, cfdata_t cf, void *aux)
     61 {
     62 	struct hb_attach_args *ha = aux;
     63 	static int mkclock_hb_matched;
     64 
     65 	/* Only one clock, please. */
     66 	if (mkclock_hb_matched)
     67 		return 0;
     68 
     69 	if (strcmp(ha->ha_name, mkclock_cd.cd_name))
     70 		return 0;
     71 
     72 	ha->ha_size = MK48T02_CLKSZ;
     73 
     74 	mkclock_hb_matched = 1;
     75 
     76 	return 1;
     77 }
     78 
     79 static void
     80 mkclock_hb_attach(device_t parent, device_t self, void *aux)
     81 {
     82 	struct mk48txx_softc *sc = device_private(self);
     83 	struct hb_attach_args *ha = aux;
     84 
     85 	sc->sc_dev = self;
     86 	sc->sc_bst = ha->ha_bust;
     87 	if (bus_space_map(sc->sc_bst, (bus_addr_t)ha->ha_address, ha->ha_size,
     88 	    0, &sc->sc_bsh) != 0)
     89 		aprint_error("can't map device space\n");
     90 
     91 	sc->sc_model = "mk48t02";
     92 	sc->sc_year0 = 1900;
     93 	mk48txx_attach(sc);
     94 
     95 	aprint_normal("\n");
     96 }
     97