1 /* $NetBSD: vme_two_68k.c,v 1.8 2008/01/12 09:54:27 tsutsui 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 1.8 2008/01/12 09:54:27 tsutsui 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 #include "ioconf.h" 67 68 static void vmetwoisrlink(void *, int (*)(void *), void *, 69 int, int, struct evcnt *); 70 static void vmetwoisrunlink(void *, int); 71 static struct evcnt *vmetwoisrevcnt(void *, int); 72 73 #if NVMETWO > 0 74 75 int vmetwo_match(struct device *, struct cfdata *, void *); 76 void vmetwo_attach(struct device *, struct device *, void *); 77 78 CFATTACH_DECL(vmetwo, sizeof(struct vmetwo_softc), 79 vmetwo_match, vmetwo_attach, NULL, NULL); 80 81 82 /* ARGSUSED */ 83 int 84 vmetwo_match(struct device *parent, struct cfdata *cf, 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(struct device *parent, struct device *self, void *aux) 107 { 108 struct mainbus_attach_args *ma; 109 struct vmetwo_softc *sc; 110 111 sc = (struct vmetwo_softc *) self; 112 ma = aux; 113 114 /* 115 * Map the local control registers 116 */ 117 bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_LCSR_OFFSET, 118 VME2LCSR_SIZE, 0, &sc->sc_lcrh); 119 120 #ifdef notyet 121 /* 122 * Map the global control registers 123 */ 124 bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_GCSR_OFFSET, 125 VME2GCSR_SIZE, 0, &sc->sc_gcrh); 126 #endif 127 128 /* Initialise stuff for the common vme_two back-end */ 129 sc->sc_mvmebus.sc_bust = ma->ma_bust; 130 sc->sc_mvmebus.sc_dmat = ma->ma_dmat; 131 132 vmetwo_init(sc); 133 } 134 135 #endif /* NVMETWO > 0 */ 136 137 void 138 vmetwo_md_intr_init(struct vmetwo_softc *sc) 139 { 140 141 sc->sc_isrlink = vmetwoisrlink; 142 sc->sc_isrunlink = vmetwoisrunlink; 143 sc->sc_isrevcnt = vmetwoisrevcnt; 144 } 145 146 /* ARGSUSED */ 147 static void 148 vmetwoisrlink(void *cookie, int (*fn)(void *), void *arg, int ipl, int vec, 149 struct evcnt *evcnt) 150 { 151 152 isrlink_vectored(fn, arg, ipl, vec, evcnt); 153 } 154 155 /* ARGSUSED */ 156 static void 157 vmetwoisrunlink(void *cookie, int vec) 158 { 159 160 isrunlink_vectored(vec); 161 } 162 163 /* ARGSUSED */ 164 static struct evcnt * 165 vmetwoisrevcnt(void *cookie, int ipl) 166 { 167 168 return isrlink_evcnt(ipl); 169 } 170