1 /* $NetBSD: tlsbmem.c,v 1.4 1997/04/07 23:41:10 cgd Exp $ */ 2 3 /* 4 * Copyright (c) 1997 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 Node for TLSB Memory Modules found on 35 * AlphaServer 8200 and 8400 systems. 36 */ 37 38 #include <machine/options.h> /* Config options headers */ 39 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 40 41 __KERNEL_RCSID(0, "$NetBSD: tlsbmem.c,v 1.4 1997/04/07 23:41:10 cgd Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/device.h> 46 #include <sys/malloc.h> 47 48 #include <machine/autoconf.h> 49 #include <machine/rpb.h> 50 #include <machine/pte.h> 51 52 #include <alpha/tlsb/tlsbreg.h> 53 #include <alpha/tlsb/tlsbvar.h> 54 55 struct tlsbmem_softc { 56 struct device sc_dv; 57 int sc_node; /* TLSB node */ 58 u_int16_t sc_dtype; /* device type */ 59 }; 60 61 static int tlsbmemmatch __P((struct device *, struct cfdata *, void *)); 62 static void tlsbmemattach __P((struct device *, struct device *, void *)); 63 struct cfattach tlsbmem_ca = { 64 sizeof (struct tlsbmem_softc), tlsbmemmatch, tlsbmemattach 65 }; 66 67 struct cfdriver tlsbmem_cd = { 68 NULL, "tlsbmem", DV_DULL, 69 }; 70 71 static int 72 tlsbmemmatch(parent, cf, aux) 73 struct device *parent; 74 struct cfdata *cf; 75 void *aux; 76 { 77 struct tlsb_dev_attach_args *ta = aux; 78 if (TLDEV_ISMEM(ta->ta_dtype)) 79 return (1); 80 return (0); 81 } 82 83 static void 84 tlsbmemattach(parent, self, aux) 85 struct device *parent; 86 struct device *self; 87 void *aux; 88 { 89 struct tlsb_dev_attach_args *ta = aux; 90 struct tlsbmem_softc *sc = (struct tlsbmem_softc *)self; 91 92 sc->sc_node = ta->ta_node; 93 sc->sc_dtype = ta->ta_dtype; 94 95 printf("\n"); 96 } 97