1 /* $NetBSD: cpu_mainbus.c,v 1.3 2002/01/05 22:41:48 chris Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Mark Brinicombe. 5 * Copyright (c) 1995 Brini. 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, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Brini. 19 * 4. The name of the company nor the name of the author may be used to 20 * endorse or promote products derived from this software without specific 21 * prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED 24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * RiscBSD kernel project 36 * 37 * cpu.c 38 * 39 * Probing and configuration for the master cpu 40 * 41 * Created : 10/10/95 42 */ 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/malloc.h> 47 #include <sys/device.h> 48 #include <sys/proc.h> 49 #if 0 50 #include <uvm/uvm_extern.h> 51 #include <machine/io.h> 52 #include <machine/conf.h> 53 #endif 54 #include <machine/cpu.h> 55 #if 0 56 #include <arm/cpus.h> 57 #include <arm/undefined.h> 58 #endif 59 60 /* 61 * Prototypes 62 */ 63 static int cpu_mainbus_match __P((struct device *, struct cfdata *, void *)); 64 static void cpu_mainbus_attach __P((struct device *, struct device *, void *)); 65 66 /* 67 * int cpumatch(struct device *parent, struct cfdata *cf, void *aux) 68 * 69 * Probe for the main cpu. Currently all this does is return 1 to 70 * indicate that the cpu was found. 71 */ 72 73 static int 74 cpu_mainbus_match(parent, cf, aux) 75 struct device *parent; 76 struct cfdata *cf; 77 void *aux; 78 { 79 return(1); 80 } 81 82 /* 83 * void cpusattach(struct device *parent, struct device *dev, void *aux) 84 * 85 * Attach the main cpu 86 */ 87 88 static void 89 cpu_mainbus_attach(parent, self, aux) 90 struct device *parent; 91 struct device *self; 92 void *aux; 93 { 94 cpu_attach(self); 95 } 96 97 struct cfattach cpu_mainbus_ca = { 98 sizeof(struct device), cpu_mainbus_match, cpu_mainbus_attach 99 }; 100