1 /* $NetBSD: vme_two_68k.c,v 1.5 2002/10/02 05:28:15 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Steve C. Woodford. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Front-end for the VMEchip2 found on the MVME-1[67][27] boards. 41 */ 42 43 #include "vmetwo.h" 44 45 #include <sys/param.h> 46 #include <sys/kernel.h> 47 #include <sys/systm.h> 48 #include <sys/device.h> 49 50 #include <machine/cpu.h> 51 #include <machine/bus.h> 52 53 #include <dev/vme/vmereg.h> 54 #include <dev/vme/vmevar.h> 55 56 #include <mvme68k/mvme68k/isr.h> 57 #include <mvme68k/dev/mainbus.h> 58 59 #include <dev/mvme/mvmebus.h> 60 #include <dev/mvme/vme_tworeg.h> 61 #include <dev/mvme/vme_twovar.h> 62 63 64 static void vmetwoisrlink(void *, int (*)(void *), void *, 65 int, int, struct evcnt *); 66 static void vmetwoisrunlink(void *, int); 67 static struct evcnt *vmetwoisrevcnt(void *, int); 68 69 #if NVMETWO > 0 70 71 int vmetwo_match __P((struct device *, struct cfdata *, void *)); 72 void vmetwo_attach __P((struct device *, struct device *, void *)); 73 74 CFATTACH_DECL(vmetwo, sizeof(struct vmetwo_softc), 75 vmetwo_match, vmetwo_attach, NULL, NULL); 76 extern struct cfdriver vmetwo_cd; 77 78 79 /* ARGSUSED */ 80 int 81 vmetwo_match(parent, cf, aux) 82 struct device *parent; 83 struct cfdata *cf; 84 void *aux; 85 { 86 struct mainbus_attach_args *ma; 87 static int matched = 0; 88 89 ma = aux; 90 91 if (strcmp(ma->ma_name, vmetwo_cd.cd_name)) 92 return (0); 93 94 /* Only one VMEchip2, please. */ 95 if (matched++) 96 return (0); 97 98 /* 99 * Some mvme1[67]2 boards have a `no VMEchip2' build option... 100 */ 101 return (vmetwo_probe(ma->ma_bust, ma->ma_offset) ? 1 : 0); 102 } 103 104 /* ARGSUSED */ 105 void 106 vmetwo_attach(parent, self, aux) 107 struct device *parent; 108 struct device *self; 109 void *aux; 110 { 111 struct mainbus_attach_args *ma; 112 struct vmetwo_softc *sc; 113 114 sc = (struct vmetwo_softc *) self; 115 ma = aux; 116 117 /* 118 * Map the local control registers 119 */ 120 bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_LCSR_OFFSET, 121 VME2LCSR_SIZE, 0, &sc->sc_lcrh); 122 123 #ifdef notyet 124 /* 125 * Map the global control registers 126 */ 127 bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_GCSR_OFFSET, 128 VME2GCSR_SIZE, 0, &sc->sc_gcrh); 129 #endif 130 131 /* Initialise stuff for the common vme_two back-end */ 132 sc->sc_mvmebus.sc_bust = ma->ma_bust; 133 sc->sc_mvmebus.sc_dmat = ma->ma_dmat; 134 135 vmetwo_init(sc); 136 } 137 138 #endif /* NVMETWO > 0 */ 139 140 void 141 vmetwo_md_intr_init(sc) 142 struct vmetwo_softc *sc; 143 { 144 145 sc->sc_isrlink = vmetwoisrlink; 146 sc->sc_isrunlink = vmetwoisrunlink; 147 sc->sc_isrevcnt = vmetwoisrevcnt; 148 } 149 150 /* ARGSUSED */ 151 static void 152 vmetwoisrlink(cookie, fn, arg, ipl, vec, evcnt) 153 void *cookie; 154 int (*fn)(void *); 155 void *arg; 156 int ipl, vec; 157 struct evcnt *evcnt; 158 { 159 160 isrlink_vectored(fn, arg, ipl, vec, evcnt); 161 } 162 163 /* ARGSUSED */ 164 static void 165 vmetwoisrunlink(cookie, vec) 166 void *cookie; 167 int vec; 168 { 169 170 isrunlink_vectored(vec); 171 } 172 173 /* ARGSUSED */ 174 static struct evcnt * 175 vmetwoisrevcnt(cookie, ipl) 176 void *cookie; 177 int ipl; 178 { 179 180 return (isrlink_evcnt(ipl)); 181 } 182