sys/arch/alpha/mcbus/mcmem.c

   1 /* $NetBSD: mcmem.c,v 1.4 2002/10/02 04:06:38 thorpej Exp $ */
   2
   3 /*
   4  * Copyright (c) 1998 by Matthew Jacob
   5  * NASA AMES Research Center.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice immediately at the beginning of the file, without modification,
  13  *    this list of conditions, and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. The name of the author may not be used to endorse or promote products
  18  *    derived from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  24  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 /*
  34  * 'dummy' (for now) node for the memory modules attached to
  35  * the MCBUS main system bus found on AlphaServer 4100 systems.
  36  */
  37
  38 #include <sys/cdefs.h>                  /* RCS ID & Copyright macro defns */
  39
  40 __KERNEL_RCSID(0, "$NetBSD: mcmem.c,v 1.4 2002/10/02 04:06:38 thorpej Exp $");
  41
  42 #include <sys/param.h>
  43 #include <sys/systm.h>
  44 #include <sys/device.h>
  45 #include <sys/malloc.h>
  46
  47 #include <machine/autoconf.h>
  48 #include <machine/rpb.h>
  49 #include <machine/pte.h>
  50
  51 #include <alpha/mcbus/mcbusreg.h>
  52 #include <alpha/mcbus/mcbusvar.h>
  53
  54 static int      mcmemmatch(device_t, cfdata_t, void *);
  55 static void     mcmemattach(device_t, device_t, void *);
  56
  57 CFATTACH_DECL_NEW(mcmem, 0, mcmemmatch, mcmemattach, NULL, NULL);
  58
  59 static int
  60 mcmemmatch(device_t parent, cfdata_t cf, void *aux)
  61 {
  62         struct mcbus_dev_attach_args *ta = aux;
  63         if (ta->ma_type == MCBUS_TYPE_MEM)
  64                 return (1);
  65         return (0);
  66 }
  67
  68 static void
  69 mcmemattach(device_t parent, device_t self, void *aux)
  70 {
  71         aprint_naive("\n");
  72         aprint_verbose("\n");
  73 }