1/* $NetBSD: bi_mainbus.c,v 1.12 2017/05/22 16:53:59 ragge 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__KERNEL_RCSID(0, "$NetBSD: bi_mainbus.c,v 1.12 2017/05/22 16:53:59 ragge Exp $"); 29 30#define _VAX_BUS_DMA_PRIVATE 31 32#include <sys/param.h> 33#include <sys/device.h> 34#include <sys/bus.h> 35#include <sys/cpu.h> 36 37#include <machine/nexus.h> 38#include <machine/sid.h> 39#include <machine/scb.h> 40#include <machine/mainbus.h> 41 42#include <dev/bi/bivar.h> 43#include <dev/bi/bireg.h> 44 45#include "ioconf.h" 46 47static int bi_mainbus_match(device_t, cfdata_t, void *); 48static void bi_mainbus_attach(device_t, device_t, void *); 49 50CFATTACH_DECL_NEW(bi_mainbus, sizeof(struct bi_softc), 51 bi_mainbus_match, bi_mainbus_attach, NULL, NULL); 52 53static int 54bi_mainbus_match(device_t parent, cfdata_t cf, void *aux) 55{ 56 struct mainbus_attach_args * const ma = aux; 57 58 return !strcmp(bi_cd.cd_name, ma->ma_type); 59} 60 61static void 62bi_mainbus_attach(device_t parent, device_t self, void *aux) 63{ 64 struct bi_softc * const sc = device_private(self); 65 struct mainbus_attach_args * const ma = aux; 66 67 sc->sc_dev = self; 68 /* 69 * Fill in bus specific data. 70 */ 71 sc->sc_addr = (bus_addr_t)BI_BASE(0, 0); 72 sc->sc_iot = ma->ma_iot; /* No special I/O handling */ 73 sc->sc_dmat = ma->ma_dmat; /* 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