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      1 /* $NetBSD: mcmem.c,v 1.6 2021/07/04 22:42:35 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 1.6 2021/07/04 22:42:35 thorpej Exp $");
     41 
     42 #include <sys/param.h>
     43 #include <sys/systm.h>
     44 #include <sys/device.h>
     45 
     46 #include <machine/autoconf.h>
     47 #include <machine/rpb.h>
     48 #include <machine/pte.h>
     49 
     50 #include <alpha/mcbus/mcbusreg.h>
     51 #include <alpha/mcbus/mcbusvar.h>
     52 
     53 static int	mcmemmatch(device_t, cfdata_t, void *);
     54 static void	mcmemattach(device_t, device_t, void *);
     55 
     56 CFATTACH_DECL_NEW(mcmem, 0, mcmemmatch, mcmemattach, NULL, NULL);
     57 
     58 static int
     59 mcmemmatch(device_t parent, cfdata_t cf, void *aux)
     60 {
     61 	struct mcbus_dev_attach_args *ta = aux;
     62 	if (ta->ma_type == MCBUS_TYPE_MEM)
     63 		return (1);
     64 	return (0);
     65 }
     66 
     67 static void
     68 mcmemattach(device_t parent, device_t self, void *aux)
     69 {
     70 	aprint_naive("\n");
     71 	aprint_verbose("\n");
     72 }
     73