1 /* $NetBSD: vme_machdep.c,v 1.22 2021/04/24 23:36:30 thorpej 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 1.22 2021/04/24 23:36:30 thorpej 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 <sys/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 *, const char *); 50 static int vmebusmatch(device_t, cfdata_t, void *); 51 static void vmebusattach(device_t, device_t, void *); 52 53 CFATTACH_DECL_NEW(avmebus, 0, 54 vmebusmatch, vmebusattach, NULL, NULL); 55 56 int vmebus_attached; 57 58 int 59 vmebusmatch(device_t parent, cfdata_t cf, void *aux) 60 { 61 62 if (atari_realconfig == 0) 63 return 0; 64 if (strcmp((char *)aux, "avmebus") || vmebus_attached) 65 return 0; 66 return (machineid & ATARI_FALCON) ? 0 : 1; 67 } 68 69 void 70 vmebusattach(device_t parent, device_t self, void *aux) 71 { 72 struct vmebus_attach_args vba; 73 74 vmebus_attached = 1; 75 76 vba.vba_busname = "vme"; 77 vba.vba_iot = beb_alloc_bus_space_tag(NULL); 78 vba.vba_memt = beb_alloc_bus_space_tag(NULL); 79 if ((vba.vba_iot == NULL) || (vba.vba_memt == NULL)) { 80 printf("beb_alloc_bus_space_tag failed!\n"); 81 return; 82 } 83 84 /* 85 * XXX: Should we use zero or the actual (phys) start of VME memory. 86 */ 87 vba.vba_iot->base = 0; 88 vba.vba_memt->base = 0; 89 90 printf("\n"); 91 config_found(self, &vba, vmebusprint, CFARG_EOL); 92 } 93 94 int 95 vmebusprint(void *aux, const char *name) 96 { 97 98 if (name == NULL) 99 return UNCONF; 100 return QUIET; 101 } 102