/* $NetBSD: mcmem.c,v 1.6 2021/07/04 22:42:35 thorpej Exp $ */

/*
* Copyright (c) 1998 by Matthew Jacob
* NASA AMES Research Center.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice immediately at the beginning of the file, without modification,
*    this list of conditions, and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
*    derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/

/*
* 'dummy' (for now) node for the memory modules attached to
* the MCBUS main system bus found on AlphaServer 4100 systems.
*/

#include <sys/cdefs.h>                  /* RCS ID & Copyright macro defns */

__KERNEL_RCSID(0, "$NetBSD: mcmem.c,v 1.6 2021/07/04 22:42:35 thorpej Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>

#include <machine/autoconf.h>
#include <machine/rpb.h>
#include <machine/pte.h>

#include <alpha/mcbus/mcbusreg.h>
#include <alpha/mcbus/mcbusvar.h>

static int      mcmemmatch(device_t, cfdata_t, void *);
static void     mcmemattach(device_t, device_t, void *);

CFATTACH_DECL_NEW(mcmem, 0, mcmemmatch, mcmemattach, NULL, NULL);

static int
mcmemmatch(device_t parent, cfdata_t cf, void *aux)
{
       struct mcbus_dev_attach_args *ta = aux;
       if (ta->ma_type == MCBUS_TYPE_MEM)
               return (1);
       return (0);
}

static void
mcmemattach(device_t parent, device_t self, void *aux)
{
       aprint_naive("\n");
       aprint_verbose("\n");
}