1 /* $NetBSD: bi_mainbus.c,v 1.7 2002/10/02 16:02:31 thorpej Exp $ */ 2 /* 3 * Copyright (c) 1999 Ludd, University of Lule}, Sweden. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed at Ludd, University of 17 * Lule}, Sweden and its contributors. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/param.h> 34 #include <sys/device.h> 35 36 #define _VAX_BUS_DMA_PRIVATE 37 #include <machine/bus.h> 38 #include <machine/nexus.h> 39 #include <machine/sid.h> 40 #include <machine/scb.h> 41 #include <machine/cpu.h> 42 43 #include <dev/bi/bivar.h> 44 #include <dev/bi/bireg.h> 45 46 static int bi_mainbus_match __P((struct device *, struct cfdata *, void *)); 47 static void bi_mainbus_attach __P((struct device *, struct device *, void *)); 48 49 CFATTACH_DECL(bi_mainbus, sizeof(struct bi_softc), 50 bi_mainbus_match, bi_mainbus_attach, NULL, NULL); 51 52 extern struct vax_bus_space vax_mem_bus_space; 53 extern struct vax_bus_dma_tag vax_bus_dma_tag; 54 55 static int 56 bi_mainbus_match(struct device *parent, struct cfdata *vcf, void *aux) 57 { 58 if (vax_bustype == VAX_BIBUS) 59 return 1; 60 return 0; 61 } 62 63 static void 64 bi_mainbus_attach(struct device *parent, struct device *self, void *aux) 65 { 66 struct bi_softc *sc = (void *)self; 67 68 /* 69 * Fill in bus specific data. 70 */ 71 sc->sc_addr = (bus_addr_t)BI_BASE(0, 0); 72 sc->sc_iot = &vax_mem_bus_space; /* No special I/O handling */ 73 sc->sc_dmat = &vax_bus_dma_tag; /* No special DMA handling either */ 74 sc->sc_intcpu = 1 << mfpr(PR_BINID); 75 sc->sc_lastiv = 256; /* Lowest available vector address */ 76 77 bi_attach(sc); 78 } 79