1 /* $OpenBSD: mcmem.c,v 1.2 2012/12/05 23:20:10 deraadt Exp $ */ 2 /* $NetBSD: mcmem.c,v 1.4 2002/10/02 04:06:38 thorpej Exp $ */ 3 4 /* 5 * Copyright (c) 2007 Robert Nagy <robert@openbsd.org> 6 * Copyright (c) 1998 by Matthew Jacob 7 * NASA AMES Research Center. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice immediately at the beginning of the file, without modification, 15 * this list of conditions, and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 26 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 /* 36 * 'dummy' (for now) node for the memory modules attached to 37 * the MCBUS main system bus found on AlphaServer 4100 systems. 38 */ 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/device.h> 43 #include <sys/malloc.h> 44 45 #include <machine/autoconf.h> 46 #include <machine/rpb.h> 47 #include <machine/pte.h> 48 49 #include <alpha/mcbus/mcbusreg.h> 50 #include <alpha/mcbus/mcbusvar.h> 51 52 int mcmemmatch (struct device *, void *, void *); 53 void mcmemattach (struct device *, struct device *, void *); 54 55 struct cfattach mcmem_ca = { 56 sizeof(struct device), mcmemmatch, mcmemattach 57 }; 58 59 struct cfdriver mcmem_cd = { 60 NULL, "mcmem", DV_DULL, 61 }; 62 63 int 64 mcmemmatch(parent, cf, aux) 65 struct device *parent; 66 void *cf; 67 void *aux; 68 { 69 struct mcbus_dev_attach_args *ta = aux; 70 71 if (ta->ma_type == MCBUS_TYPE_MEM) 72 return (1); 73 74 return (0); 75 } 76 77 void 78 mcmemattach(parent, self, aux) 79 struct device *parent; 80 struct device *self; 81 void *aux; 82 { 83 printf("\n"); 84 } 85