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com_mace.c revision 1.6 
      1 /*	$NetBSD: com_mace.c,v 1.6 2006/07/13 22:56:01 gdamore Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2000 Soren S. Jorvang
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *          This product includes software developed for the
     18  *          NetBSD Project.  See http://www.NetBSD.org/ for
     19  *          information about NetBSD.
     20  * 4. The name of the author may not be used to endorse or promote products
     21  *    derived from this software without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     26  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     28  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     32  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     33  */
     34 
     35 #include <sys/cdefs.h>
     36 __KERNEL_RCSID(0, "$NetBSD: com_mace.c,v 1.6 2006/07/13 22:56:01 gdamore Exp $");
     37 
     38 #include <sys/param.h>
     39 #include <sys/systm.h>
     40 #include <sys/ioctl.h>
     41 #include <sys/select.h>
     42 #include <sys/tty.h>
     43 #include <sys/proc.h>
     44 #include <sys/user.h>
     45 #include <sys/file.h>
     46 #include <sys/uio.h>
     47 #include <sys/kernel.h>
     48 #include <sys/syslog.h>
     49 #include <sys/types.h>
     50 #include <sys/device.h>
     51 
     52 #include <machine/cpu.h>
     53 #include <machine/locore.h>
     54 #include <machine/autoconf.h>
     55 #include <machine/bus.h>
     56 #include <machine/machtype.h>
     57 
     58 #include <sgimips/mace/macevar.h>
     59 
     60 #include <dev/arcbios/arcbios.h>
     61 #include <dev/arcbios/arcbiosvar.h>
     62 
     63 #include <dev/ic/comreg.h>
     64 #include <dev/ic/comvar.h>
     65 
     66 struct com_mace_softc {
     67 	struct com_softc sc_com;
     68 
     69 	/* XXX intr cookie */
     70 };
     71 
     72 static int	com_mace_match(struct device *, struct cfdata *, void *);
     73 static void	com_mace_attach(struct device *, struct device *, void *);
     74 
     75 CFATTACH_DECL(com_mace, sizeof(struct com_mace_softc),
     76     com_mace_match, com_mace_attach, NULL, NULL);
     77 
     78 static int
     79 com_mace_match(struct device *parent, struct cfdata *match, void *aux)
     80 {
     81 	return 1;
     82 }
     83 
     84 static void
     85 com_mace_attach(struct device *parent, struct device *self, void *aux)
     86 {
     87 	struct com_mace_softc *msc = (void *)self;
     88 	struct com_softc *sc = &msc->sc_com;
     89 	struct mace_attach_args *maa = aux;
     90 	bus_space_handle_t	ioh;
     91 
     92 	/*
     93 	 * XXX should check com_is_console() and
     94 	 * XXX use bus_space_map().
     95 	 */
     96 	ioh = maa->maa_sh + maa->maa_offset;
     97 	/* note that ioh on mac is *also* the iobase address */
     98 	COM_INIT_REGS(sc->sc_regs, maa->maa_st, ioh, ioh);
     99 
    100 	sc->sc_frequency = COM_FREQ;
    101 
    102 	delay(10000);
    103 	com_attach_subr(sc);
    104 	delay(10000);
    105 
    106 	cpu_intr_establish(maa->maa_intr, maa->maa_intrmask, comintr, sc);
    107 
    108 	return;
    109 }
    110