1/* $NetBSD: vme_machdep.c,v 1.24 2022/06/26 05:16:22 tsutsui 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 1.24 2022/06/26 05:16:22 tsutsui 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 49static int vmebusprint(void *, const char *); 50static int vmebusmatch(device_t, cfdata_t, void *); 51static void vmebusattach(device_t, device_t, void *); 52 53CFATTACH_DECL_NEW(avmebus, 0, 54 vmebusmatch, vmebusattach, NULL, NULL); 55 56static int vmebus_attached; 57 58static int 59vmebusmatch(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) ? 0 : 1; 67} 68 69static void 70vmebusattach(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 aprint_error("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 aprint_normal("\n"); 91 config_found(self, &vba, vmebusprint, CFARGS_NONE); 92} 93 94static int 95vmebusprint(void *aux, const char *name) 96{ 97 98 if (name == NULL) 99 return UNCONF; 100 return QUIET; 101} 102