1 /* $NetBSD: vme_two_68k.c,v 1.9 2008/04/28 20:23:29 martin 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Front-end for the VMEchip2 found on the MVME-1[67][27] boards. 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: vme_two_68k.c,v 1.9 2008/04/28 20:23:29 martin Exp $"); 38 39 #include "vmetwo.h" 40 41 #include <sys/param.h> 42 #include <sys/kernel.h> 43 #include <sys/systm.h> 44 #include <sys/device.h> 45 46 #include <machine/cpu.h> 47 #include <machine/bus.h> 48 49 #include <dev/vme/vmereg.h> 50 #include <dev/vme/vmevar.h> 51 52 #include <mvme68k/mvme68k/isr.h> 53 #include <mvme68k/dev/mainbus.h> 54 55 #include <dev/mvme/mvmebus.h> 56 #include <dev/mvme/vme_tworeg.h> 57 #include <dev/mvme/vme_twovar.h> 58 59 #include "ioconf.h" 60 61 static void vmetwoisrlink(void *, int (*)(void *), void *, 62 int, int, struct evcnt *); 63 static void vmetwoisrunlink(void *, int); 64 static struct evcnt *vmetwoisrevcnt(void *, int); 65 66 #if NVMETWO > 0 67 68 int vmetwo_match(struct device *, struct cfdata *, void *); 69 void vmetwo_attach(struct device *, struct device *, void *); 70 71 CFATTACH_DECL(vmetwo, sizeof(struct vmetwo_softc), 72 vmetwo_match, vmetwo_attach, NULL, NULL); 73 74 75 /* ARGSUSED */ 76 int 77 vmetwo_match(struct device *parent, struct cfdata *cf, void *aux) 78 { 79 struct mainbus_attach_args *ma; 80 static int matched = 0; 81 82 ma = aux; 83 84 if (strcmp(ma->ma_name, vmetwo_cd.cd_name)) 85 return 0; 86 87 /* Only one VMEchip2, please. */ 88 if (matched++) 89 return 0; 90 91 /* 92 * Some mvme1[67]2 boards have a `no VMEchip2' build option... 93 */ 94 return vmetwo_probe(ma->ma_bust, ma->ma_offset) ? 1 : 0; 95 } 96 97 /* ARGSUSED */ 98 void 99 vmetwo_attach(struct device *parent, struct device *self, void *aux) 100 { 101 struct mainbus_attach_args *ma; 102 struct vmetwo_softc *sc; 103 104 sc = (struct vmetwo_softc *) self; 105 ma = aux; 106 107 /* 108 * Map the local control registers 109 */ 110 bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_LCSR_OFFSET, 111 VME2LCSR_SIZE, 0, &sc->sc_lcrh); 112 113 #ifdef notyet 114 /* 115 * Map the global control registers 116 */ 117 bus_space_map(ma->ma_bust, ma->ma_offset + VME2REG_GCSR_OFFSET, 118 VME2GCSR_SIZE, 0, &sc->sc_gcrh); 119 #endif 120 121 /* Initialise stuff for the common vme_two back-end */ 122 sc->sc_mvmebus.sc_bust = ma->ma_bust; 123 sc->sc_mvmebus.sc_dmat = ma->ma_dmat; 124 125 vmetwo_init(sc); 126 } 127 128 #endif /* NVMETWO > 0 */ 129 130 void 131 vmetwo_md_intr_init(struct vmetwo_softc *sc) 132 { 133 134 sc->sc_isrlink = vmetwoisrlink; 135 sc->sc_isrunlink = vmetwoisrunlink; 136 sc->sc_isrevcnt = vmetwoisrevcnt; 137 } 138 139 /* ARGSUSED */ 140 static void 141 vmetwoisrlink(void *cookie, int (*fn)(void *), void *arg, int ipl, int vec, 142 struct evcnt *evcnt) 143 { 144 145 isrlink_vectored(fn, arg, ipl, vec, evcnt); 146 } 147 148 /* ARGSUSED */ 149 static void 150 vmetwoisrunlink(void *cookie, int vec) 151 { 152 153 isrunlink_vectored(vec); 154 } 155 156 /* ARGSUSED */ 157 static struct evcnt * 158 vmetwoisrevcnt(void *cookie, int ipl) 159 { 160 161 return isrlink_evcnt(ipl); 162 } 163