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 __P((struct device *, struct cfdata *, void *)); 55 static void mcmemattach __P((struct device *, struct device *, void *)); 56 CFATTACH_DECL(mcmem, sizeof (struct device), 57 mcmemmatch, mcmemattach, NULL, NULL); 58 59 static int 60 mcmemmatch(parent, cf, aux) 61 struct device *parent; 62 struct cfdata *cf; 63 void *aux; 64 { 65 struct mcbus_dev_attach_args *ta = aux; 66 if (ta->ma_type == MCBUS_TYPE_MEM) 67 return (1); 68 return (0); 69 } 70 71 static void 72 mcmemattach(parent, self, aux) 73 struct device *parent; 74 struct device *self; 75 void *aux; 76 { 77 printf("\n"); 78 } 79