if_cs_ofisa.c revision 1.5
1 /* $NetBSD: if_cs_ofisa.c,v 1.5 2001/11/13 07:29:45 lukem Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 #include <sys/cdefs.h> 41 __KERNEL_RCSID(0, "$NetBSD: if_cs_ofisa.c,v 1.5 2001/11/13 07:29:45 lukem Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/socket.h> 46 #include <sys/device.h> 47 #include <sys/malloc.h> 48 49 #include "rnd.h" 50 #if NRND > 0 51 #include <sys/rnd.h> 52 #endif 53 54 #include <net/if.h> 55 #include <net/if_ether.h> 56 #include <net/if_media.h> 57 #ifdef INET 58 #include <netinet/in.h> 59 #include <netinet/if_inarp.h> 60 #endif 61 62 #include <machine/bus.h> 63 #include <machine/intr.h> 64 65 #include <dev/ofw/openfirm.h> 66 #include <dev/isa/isavar.h> 67 #include <dev/ofisa/ofisavar.h> 68 69 #include <dev/isa/cs89x0reg.h> 70 #include <dev/isa/cs89x0var.h> 71 72 int cs_ofisa_match __P((struct device *, struct cfdata *, void *)); 73 void cs_ofisa_attach __P((struct device *, struct device *, void *)); 74 75 struct cfattach cs_ofisa_ca = { 76 sizeof(struct cs_softc), cs_ofisa_match, cs_ofisa_attach 77 }; 78 79 int 80 cs_ofisa_match(parent, cf, aux) 81 struct device *parent; 82 struct cfdata *cf; 83 void *aux; 84 { 85 struct ofisa_attach_args *aa = aux; 86 const char *compatible_strings[] = { 87 "CRUS,CS8900", 88 /* XXX CS8920, CS8920M? */ 89 /* XXX PNP names? */ 90 NULL, 91 }; 92 int rv = 0; 93 94 if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) 95 rv = 5; 96 #ifdef _CS_OFISA_MD_MATCH 97 if (rv == 0) 98 rv = cs_ofisa_md_match(parent, cf, aux); 99 #endif 100 return (rv); 101 } 102 103 void 104 cs_ofisa_attach(parent, self, aux) 105 struct device *parent, *self; 106 void *aux; 107 { 108 struct cs_softc *sc = (struct cs_softc *) self; 109 struct ofisa_attach_args *aa = aux; 110 struct ofisa_reg_desc reg[2]; 111 struct ofisa_intr_desc intr; 112 struct ofisa_dma_desc dma; 113 int i, n, *media, nmedia, defmedia; 114 bus_addr_t io_addr, mem_addr; 115 char *model = NULL; 116 const char *message = NULL; 117 u_int8_t enaddr[6]; 118 119 sc->sc_ic = aa->ic; 120 sc->sc_iot = aa->iot; 121 sc->sc_memt = aa->memt; 122 123 /* 124 * We're living on an OFW. We have to ask the OFW what our 125 * registers and interrupts properties look like. 126 * 127 * We expect: 128 * 129 * 1 i/o register region 130 * 0 or 1 memory region 131 * 1 interrupt 132 * 0 or 1 dma channel 133 */ 134 135 io_addr = mem_addr = -1; 136 137 n = ofisa_reg_get(aa->oba.oba_phandle, reg, 2); 138 #ifdef _CS_OFISA_MD_REG_FIXUP 139 n = cs_ofisa_md_reg_fixup(parent, self, aux, reg, 2, n); 140 #endif 141 if (n < 1 || n > 2) { 142 printf(": error getting register data\n"); 143 return; 144 } 145 146 for (i = 0; i < n; i++) { 147 if (reg[i].type == OFISA_REG_TYPE_IO) { 148 if (io_addr != (bus_addr_t) -1) { 149 printf(": multiple I/O regions\n"); 150 return; 151 } 152 if (reg[i].len != CS8900_IOSIZE) { 153 printf(": weird register size (%lu, expected %d)\n", 154 (unsigned long)reg[i].len, CS8900_IOSIZE); 155 return; 156 } 157 io_addr = reg[i].addr; 158 } else { 159 if (mem_addr != (bus_addr_t) -1) { 160 printf(": multiple memory regions\n"); 161 return; 162 } 163 if (reg[i].len != CS8900_MEMSIZE) { 164 printf(": weird register size (%lu, expected %d)\n", 165 (unsigned long)reg[i].len, CS8900_MEMSIZE); 166 return; 167 } 168 mem_addr = reg[i].addr; 169 } 170 } 171 172 n = ofisa_intr_get(aa->oba.oba_phandle, &intr, 1); 173 #ifdef _CS_OFISA_MD_INTR_FIXUP 174 n = cs_ofisa_md_intr_fixup(parent, self, aux, &intr, 1, n); 175 #endif 176 if (n != 1) { 177 printf(": error getting interrupt data\n"); 178 return; 179 } 180 sc->sc_irq = intr.irq; 181 182 if (CS8900_IRQ_ISVALID(sc->sc_irq) == 0) { 183 printf(": invalid IRQ %d\n", sc->sc_irq); 184 return; 185 } 186 187 sc->sc_drq = ISACF_DRQ_DEFAULT; 188 n = ofisa_dma_get(aa->oba.oba_phandle, &dma, 1); 189 #ifdef _CS_OFISA_MD_DMA_FIXUP 190 n = cs_ofisa_md_dma_fixup(parent, self, aux, &dma, 1, n); 191 #endif 192 if (n == 1) 193 sc->sc_drq = dma.drq; 194 195 if (io_addr == (bus_addr_t) -1) { 196 printf(": no I/O space\n"); 197 return; 198 } 199 if (bus_space_map(sc->sc_iot, io_addr, CS8900_IOSIZE, 0, 200 &sc->sc_ioh)) { 201 printf(": unable to map register space\n"); 202 return; 203 } 204 205 if (mem_addr != (bus_addr_t) -1) { 206 if (bus_space_map(sc->sc_memt, mem_addr, CS8900_MEMSIZE, 0, 207 &sc->sc_memh)) { 208 message = "unable to map memory space"; 209 } else { 210 sc->sc_cfgflags |= CFGFLG_MEM_MODE; 211 sc->sc_pktpgaddr = mem_addr; 212 } 213 } 214 215 /* Dig MAC address out of the firmware. */ 216 if (OF_getprop(aa->oba.oba_phandle, "mac-address", enaddr, 217 sizeof(enaddr)) < 0) { 218 printf(": unable to get Ethernet address\n"); 219 return; 220 } 221 222 /* Dig media out of the firmware. */ 223 media = of_network_decode_media(aa->oba.oba_phandle, &nmedia, 224 &defmedia); 225 #ifdef _CS_OFISA_MD_MEDIA_FIXUP 226 media = cs_ofisa_md_media_fixup(parent, self, aux, media, &nmedia, 227 &defmedia); 228 #endif 229 if (media == NULL) { 230 printf(": unable to get media information\n"); 231 return; 232 } 233 234 n = OF_getproplen(aa->oba.oba_phandle, "model"); 235 if (n > 0) { 236 model = alloca(n); 237 if (OF_getprop(aa->oba.oba_phandle, "model", model, n) != n) 238 model = NULL; /* Safe; alloca is on-stack */ 239 } 240 if (model != NULL) 241 printf(": %s\n", model); 242 else 243 printf("\n"); 244 245 if (message != NULL) 246 printf("%s: %s\n", sc->sc_dev.dv_xname, message); 247 248 if (defmedia == -1) { 249 printf("%s: unable to get default media\n", 250 sc->sc_dev.dv_xname); 251 defmedia = media[0]; /* XXX What to do? */ 252 } 253 254 sc->sc_ih = isa_intr_establish(sc->sc_ic, sc->sc_irq, intr.share, 255 IPL_NET, cs_intr, sc); 256 if (sc->sc_ih == NULL) { 257 printf("%s: unable to establish interrupt\n", 258 sc->sc_dev.dv_xname); 259 return; 260 } 261 262 #ifdef _CS_OFISA_MD_CFGFLAGS_FIXUP 263 sc->sc_cfgflags |= cs_ofisa_md_cfgflags_fixup(parent, self, aux); 264 #endif 265 266 cs_attach(sc, enaddr, media, nmedia, defmedia); 267 268 /* This is malloc'd. */ 269 free(media, M_DEVBUF); 270 } 271
Indexes created Fri Sep 26 20:09:58 GMT 2025