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
mcmemmatch(device_t parent,cfdata_t cf,void * aux)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
mcmemattach(device_t parent,device_t self,void * aux)68 mcmemattach(device_t parent, device_t self, void *aux)
69 {
70 aprint_naive("\n");
71 aprint_verbose("\n");
72 }
73