sys/arch/usermode/dev/mainbus.c

   1 /* $NetBSD: mainbus.c,v 1.2 2009/10/21 16:06:59 snj Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca>
   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  *
  16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26  * POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.2 2009/10/21 16:06:59 snj Exp $");
  31
  32 #include <sys/param.h>
  33 #include <sys/proc.h>
  34 #include <sys/systm.h>
  35 #include <sys/device.h>
  36
  37 #include <dev/cons.h>
  38
  39 #include <machine/mainbus.h>
  40
  41 static int      mainbus_match(device_t, cfdata_t, void *);
  42 static void     mainbus_attach(device_t, device_t, void *);
  43
  44 static int      mainbus_print(void *, const char *);
  45
  46 typedef struct mainbus_softc {
  47         device_t        sc_dev;
  48 } mainbus_softc_t;
  49
  50 CFATTACH_DECL_NEW(mainbus, sizeof(mainbus_softc_t),
  51     mainbus_match, mainbus_attach, NULL, NULL);
  52
  53 static int
  54 mainbus_match(device_t parent, cfdata_t match, void *opaque)
  55 {
  56
  57         return 1;
  58 }
  59
  60 static void
  61 mainbus_attach(device_t parent, device_t self, void *opaque)
  62 {
  63         mainbus_softc_t *sc = device_private(self);
  64         struct thunkbus_attach_args taa;
  65
  66         aprint_naive("\n");
  67         aprint_normal("\n");
  68
  69         sc->sc_dev = self;
  70
  71         taa.taa_type = THUNKBUS_TYPE_CPU;
  72         config_found_ia(self, "thunkbus", &taa, mainbus_print);
  73         taa.taa_type = THUNKBUS_TYPE_CLOCK;
  74         config_found_ia(self, "thunkbus", &taa, mainbus_print);
  75         taa.taa_type = THUNKBUS_TYPE_TTYCONS;
  76         config_found_ia(self, "thunkbus", &taa, mainbus_print);
  77 }
  78
  79 static int
  80 mainbus_print(void *opaque, const char *pnp)
  81 {
  82         if (pnp)
  83                 aprint_normal("%s", pnp);
  84         return UNCONF;
  85 }