1 /* $NetBSD: vme_machdep.c,v 1.18 2009/03/14 21:04:08 dsl Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: vme_machdep.c,v 1.18 2009/03/14 21:04:08 dsl Exp $"); 31 32 #include <sys/types.h> 33 #include <sys/param.h> 34 #include <sys/time.h> 35 #include <sys/systm.h> 36 #include <sys/errno.h> 37 #include <sys/device.h> 38 39 #include <uvm/uvm_extern.h> 40 41 #include <machine/bus.h> 42 #include <machine/cpu.h> 43 #include <machine/iomap.h> 44 #include <machine/mfp.h> 45 46 #include <atari/atari/device.h> 47 #include <atari/vme/vmevar.h> 48 49 static int vmebusprint(void *auxp, const char *); 50 static int vmebusmatch(struct device *, struct cfdata *, void *); 51 static void vmebusattach(struct device *, struct device *, void *); 52 53 CFATTACH_DECL(avmebus, sizeof(struct device), 54 vmebusmatch, vmebusattach, NULL, NULL); 55 56 int vmebus_attached; 57 58 int 59 vmebusmatch(struct device *pdp, struct cfdata *cfp, void *auxp) 60 { 61 if(atari_realconfig == 0) 62 return (0); 63 if (strcmp((char *)auxp, "avmebus") || vmebus_attached) 64 return(0); 65 return(machineid & ATARI_FALCON ? 0 : 1); 66 } 67 68 void 69 vmebusattach(struct device *pdp, struct device *dp, void *auxp) 70 { 71 struct vmebus_attach_args vba; 72 73 vmebus_attached = 1; 74 75 vba.vba_busname = "vme"; 76 vba.vba_iot = beb_alloc_bus_space_tag(NULL); 77 vba.vba_memt = beb_alloc_bus_space_tag(NULL); 78 if ((vba.vba_iot == NULL) || (vba.vba_memt == NULL)) { 79 printf("beb_alloc_bus_space_tag failed!\n"); 80 return; 81 } 82 83 /* 84 * XXX: Should we use zero or the actual (phys) start of VME memory. 85 */ 86 vba.vba_iot->base = 0; 87 vba.vba_memt->base = 0; 88 89 printf("\n"); 90 config_found(dp, &vba, vmebusprint); 91 } 92 93 int 94 vmebusprint(void *auxp, const char *name) 95 { 96 if(name == NULL) 97 return(UNCONF); 98 return(QUIET); 99 } 100