1 /* $NetBSD: ioblix_zbus.c,v 1.3 2001/03/10 23:55:29 is Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Ignatios Souvatzis. 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 /* IOBlix Zorro driver */ 40 /* XXX to be done: we need to probe the com clock speed! */ 41 42 #include <sys/types.h> 43 44 #include <sys/conf.h> 45 #include <sys/device.h> 46 #include <sys/systm.h> 47 #include <sys/param.h> 48 49 #include <machine/bus.h> 50 #include <machine/conf.h> 51 52 #include <amiga/include/cpu.h> 53 54 #include <amiga/amiga/device.h> 55 #include <amiga/amiga/drcustom.h> 56 57 #include <amiga/dev/supio.h> 58 #include <amiga/dev/zbusvar.h> 59 60 61 struct iobz_softc { 62 struct device sc_dev; 63 struct bus_space_tag sc_bst; 64 }; 65 66 int iobzmatch __P((struct device *, struct cfdata *, void *)); 67 void iobzattach __P((struct device *, struct device *, void *)); 68 int iobzprint __P((void *auxp, const char *)); 69 70 struct cfattach iobl_zbus_ca = { 71 sizeof(struct iobz_softc), iobzmatch, iobzattach 72 }; 73 74 int 75 iobzmatch(parent, cfp, auxp) 76 struct device *parent; 77 struct cfdata *cfp; 78 void *auxp; 79 { 80 81 struct zbus_args *zap; 82 83 zap = auxp; 84 85 if (zap->manid != 4711) 86 return (0); 87 88 if (zap->prodid != 1) 89 return (0); 90 91 return (1); 92 } 93 94 struct iobz_devs { 95 char *name; 96 unsigned off; 97 int arg; 98 } iobzdevices[] = { 99 { "com", 0x100, 24000000 }, /* XXX see below */ 100 { "com", 0x108, 24000000 }, 101 { "com", 0x110, 24000000 }, 102 { "com", 0x118, 24000000 }, 103 { "lpt", 0x200, 0 }, 104 { "lpt", 0x300, 0 }, 105 { 0, 0, 0} 106 }; 107 108 #ifndef IOBZCLOCK 109 #define IOBZCLOCK 22118400; 110 #endif 111 int iobzclock = IOBZCLOCK; /* patchable! */ 112 113 void 114 iobzattach(parent, self, auxp) 115 struct device *parent, *self; 116 void *auxp; 117 { 118 struct iobz_softc *iobzsc; 119 struct iobz_devs *iobzd; 120 struct zbus_args *zap; 121 struct supio_attach_args supa; 122 extern const struct amiga_bus_space_methods amiga_bus_stride_16; 123 volatile u_int8_t *p; 124 125 126 iobzsc = (struct iobz_softc *)self; 127 zap = auxp; 128 129 if (parent) 130 printf("\n"); 131 132 iobzsc->sc_bst.base = (u_long)zap->va; 133 iobzsc->sc_bst.absm = &amiga_bus_stride_16; 134 135 supa.supio_iot = &iobzsc->sc_bst; 136 supa.supio_ipl = 6; 137 138 iobzd = iobzdevices; 139 140 while (iobzd->name) { 141 supa.supio_name = iobzd->name; 142 supa.supio_iobase = iobzd->off; 143 supa.supio_arg = iobzclock /* XXX iobzd->arg */; 144 config_found(self, &supa, iobzprint); /* XXX */ 145 ++iobzd; 146 } 147 148 p = (volatile u_int8_t *)zap->va + 2; 149 *p = ((*p) & 0x1F) | 0x80; 150 } 151 152 int 153 iobzprint(auxp, pnp) 154 void *auxp; 155 const char *pnp; 156 { 157 struct supio_attach_args *supa; 158 supa = auxp; 159 160 if (pnp == NULL) 161 return(QUIET); 162 163 printf("%s at %s port 0x%02x", 164 supa->supio_name, pnp, supa->supio_iobase); 165 166 return(UNCONF); 167 } 168