1 /* $NetBSD: vme_two_68k.c,v 1.6 2003/07/15 02:43:47 lukem 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 <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: vme_two_68k.c,v 1.6 2003/07/15 02:43:47 lukem Exp $"); 45 46 #include "vmetwo.h" 47 48 #include <sys/param.h> 49 #include <sys/kernel.h> 50 #include <sys/systm.h> 51 #include <sys/device.h> 52 53 #include <machine/cpu.h> 54 #include <machine/bus.h> 55 56 #include <dev/vme/vmereg.h> 57 #include <dev/vme/vmevar.h> 58 59 #include <mvme68k/mvme68k/isr.h> 60 #include <mvme68k/dev/mainbus.h> 61 62 #include <dev/mvme/mvmebus.h> 63 #include <dev/mvme/vme_tworeg.h> 64 #include <dev/mvme/vme_twovar.h> 65 66 67 static void vmetwoisrlink(void *, int (*)(void *), void *, 68 int, int, struct evcnt *); 69 static void vmetwoisrunlink(void *, int); 70 static struct evcnt *vmetwoisrevcnt(void *, int); 71 72 #if NVMETWO > 0 73 74 int vmetwo_match __P((struct device *, struct cfdata *, void *)); 75 void vmetwo_attach __P((struct device *, struct device *, void *)); 76 77 CFATTACH_DECL(vmetwo, sizeof(struct vmetwo_softc), 78 vmetwo_match, vmetwo_attach, NULL, NULL); 79 extern struct cfdriver vmetwo_cd; 80 81 82 /* ARGSUSED */ 83 int 84 vmetwo_match(parent, cf, aux) 85 struct device *parent; 86 struct cfdata *cf; 87 void *aux; 88 { 89 struct mainbus_attach_args *ma; 90 static int matched = 0; 91 92 ma = aux; 93 94 if (strcmp(ma->ma_name, vmetwo_cd.cd_name)) 95 return (0); 96 97 /* Only one VMEchip2, please. */ 98 if (matched++) 99 return (0); 100 101 /* 102 * Some mvme1[67]2 boards have a `no VMEchip2' build option... 103 */ 104 return (vmetwo_probe(ma->ma_bust, ma->ma_offset) ? 1 : 0); 105 } 106 107 /* ARGSUSED */ 108 void 109 vmetwo_attach(parent, self, aux) 110 struct device *parent; 111 struct device *self; 112 void *aux; 113 { 114 struct mainbus_attach_args *ma; 115 struct vmetwo_softc *sc; 116 117 sc = (struct vmetwo_softc *) self; 118 ma = aux; 119 120 /* 121 * Map the local control registers 122 */ 123 bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_LCSR_OFFSET, 124 VME2LCSR_SIZE, 0, &sc->sc_lcrh); 125 126 #ifdef notyet 127 /* 128 * Map the global control registers 129 */ 130 bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_GCSR_OFFSET, 131 VME2GCSR_SIZE, 0, &sc->sc_gcrh); 132 #endif 133 134 /* Initialise stuff for the common vme_two back-end */ 135 sc->sc_mvmebus.sc_bust = ma->ma_bust; 136 sc->sc_mvmebus.sc_dmat = ma->ma_dmat; 137 138 vmetwo_init(sc); 139 } 140 141 #endif /* NVMETWO > 0 */ 142 143 void 144 vmetwo_md_intr_init(sc) 145 struct vmetwo_softc *sc; 146 { 147 148 sc->sc_isrlink = vmetwoisrlink; 149 sc->sc_isrunlink = vmetwoisrunlink; 150 sc->sc_isrevcnt = vmetwoisrevcnt; 151 } 152 153 /* ARGSUSED */ 154 static void 155 vmetwoisrlink(cookie, fn, arg, ipl, vec, evcnt) 156 void *cookie; 157 int (*fn)(void *); 158 void *arg; 159 int ipl, vec; 160 struct evcnt *evcnt; 161 { 162 163 isrlink_vectored(fn, arg, ipl, vec, evcnt); 164 } 165 166 /* ARGSUSED */ 167 static void 168 vmetwoisrunlink(cookie, vec) 169 void *cookie; 170 int vec; 171 { 172 173 isrunlink_vectored(vec); 174 } 175 176 /* ARGSUSED */ 177 static struct evcnt * 178 vmetwoisrevcnt(cookie, ipl) 179 void *cookie; 180 int ipl; 181 { 182 183 return (isrlink_evcnt(ipl)); 184 } 185