1 /* $NetBSD: bi_mainbus.c,v 1.11 2010/12/14 23:38:30 matt 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/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: bi_mainbus.c,v 1.11 2010/12/14 23:38:30 matt Exp $"); 35 36 #define _VAX_BUS_DMA_PRIVATE 37 38 #include <sys/param.h> 39 #include <sys/device.h> 40 #include <sys/bus.h> 41 #include <sys/cpu.h> 42 43 #include <machine/nexus.h> 44 #include <machine/sid.h> 45 #include <machine/scb.h> 46 #include <machine/mainbus.h> 47 48 #include <dev/bi/bivar.h> 49 #include <dev/bi/bireg.h> 50 51 #include "ioconf.h" 52 53 static int bi_mainbus_match(device_t, cfdata_t, void *); 54 static void bi_mainbus_attach(device_t, device_t, void *); 55 56 CFATTACH_DECL_NEW(bi_mainbus, sizeof(struct bi_softc), 57 bi_mainbus_match, bi_mainbus_attach, NULL, NULL); 58 59 static int 60 bi_mainbus_match(device_t parent, cfdata_t cf, void *aux) 61 { 62 struct mainbus_attach_args * const ma = aux; 63 64 return !strcmp(bi_cd.cd_name, ma->ma_type); 65 } 66 67 static void 68 bi_mainbus_attach(device_t parent, device_t self, void *aux) 69 { 70 struct bi_softc * const sc = device_private(self); 71 struct mainbus_attach_args * const ma = aux; 72 73 sc->sc_dev = self; 74 /* 75 * Fill in bus specific data. 76 */ 77 sc->sc_addr = (bus_addr_t)BI_BASE(0, 0); 78 sc->sc_iot = ma->ma_iot; /* No special I/O handling */ 79 sc->sc_dmat = ma->ma_dmat; /* No special DMA handling either */ 80 sc->sc_intcpu = 1 << mfpr(PR_BINID); 81 sc->sc_lastiv = 256; /* Lowest available vector address */ 82 83 bi_attach(sc); 84 } 85