Home | History | Annotate | Line # | Download | only in dev
com_mainbus.c revision 1.8 
      1 /*	$NetBSD: com_mainbus.c,v 1.8 2003/10/17 18:20:10 cdi Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2000 Soren S. Jorvang.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions, and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 #include <sys/cdefs.h>
     29 __KERNEL_RCSID(0, "$NetBSD: com_mainbus.c,v 1.8 2003/10/17 18:20:10 cdi Exp $");
     30 
     31 #include <sys/param.h>
     32 #include <sys/systm.h>
     33 #include <sys/ioctl.h>
     34 #include <sys/select.h>
     35 #include <sys/tty.h>
     36 #include <sys/proc.h>
     37 #include <sys/user.h>
     38 #include <sys/conf.h>
     39 #include <sys/file.h>
     40 #include <sys/uio.h>
     41 #include <sys/kernel.h>
     42 #include <sys/syslog.h>
     43 #include <sys/types.h>
     44 #include <sys/device.h>
     45 
     46 #include <machine/autoconf.h>
     47 #include <machine/intr.h>
     48 #include <machine/bus.h>
     49 #include <machine/nvram.h>
     50 
     51 #include <dev/ic/comreg.h>
     52 #include <dev/ic/comvar.h>
     53 
     54 
     55 extern int console_present;
     56 
     57 struct com_mainbus_softc {
     58 	struct com_softc sc_com;
     59 	void *sc_ih;
     60 };
     61 
     62 static int	com_mainbus_probe(struct device *, struct cfdata *, void *);
     63 static void	com_mainbus_attach(struct device *, struct device *, void *);
     64 
     65 CFATTACH_DECL(com_mainbus, sizeof(struct com_mainbus_softc),
     66     com_mainbus_probe, com_mainbus_attach, NULL, NULL);
     67 
     68 int
     69 com_mainbus_probe(parent, match, aux)
     70 	struct device *parent;
     71 	struct cfdata *match;
     72 	void *aux;
     73 {
     74 
     75 	return (console_present != 0);
     76 }
     77 
     78 struct com_softc *com0; /* XXX */
     79 
     80 void
     81 com_mainbus_attach(parent, self, aux)
     82 	struct device *parent;
     83 	struct device *self;
     84 	void *aux;
     85 {
     86 	struct com_mainbus_softc *msc = (void *)self;
     87 	struct com_softc *sc = &msc->sc_com;
     88 	struct mainbus_attach_args *maa = aux;
     89 
     90 	sc->sc_ioh = maa->ma_ioh;
     91 	sc->sc_iot = maa->ma_iot;
     92 	sc->sc_iobase = maa->ma_addr;
     93 
     94 	sc->sc_frequency = COM_FREQ * 10;
     95 
     96 	/* XXX console check */
     97 	/* XXX map */
     98 
     99 	com_attach_subr(sc);
    100 
    101 	cpu_intr_establish(maa->ma_level, IPL_SERIAL, comintr, sc);
    102 
    103 	return;
    104 }
    105