if_cs_ofisa.c revision 1.4
1 /* $NetBSD: if_cs_ofisa.c,v 1.4 2000/12/26 09:42:21 mycroft 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/param.h> 41 #include <sys/systm.h> 42 #include <sys/socket.h> 43 #include <sys/device.h> 44 #include <sys/malloc.h> 45 46 #include "rnd.h" 47 #if NRND > 0 48 #include <sys/rnd.h> 49 #endif 50 51 #include <net/if.h> 52 #include <net/if_ether.h> 53 #include <net/if_media.h> 54 #ifdef INET 55 #include <netinet/in.h> 56 #include <netinet/if_inarp.h> 57 #endif 58 59 #include <machine/bus.h> 60 #include <machine/intr.h> 61 62 #include <dev/ofw/openfirm.h> 63 #include <dev/isa/isavar.h> 64 #include <dev/ofisa/ofisavar.h> 65 66 #include <dev/isa/cs89x0reg.h> 67 #include <dev/isa/cs89x0var.h> 68 69 int cs_ofisa_match __P((struct device *, struct cfdata *, void *)); 70 void cs_ofisa_attach __P((struct device *, struct device *, void *)); 71 72 struct cfattach cs_ofisa_ca = { 73 sizeof(struct cs_softc), cs_ofisa_match, cs_ofisa_attach 74 }; 75 76 int 77 cs_ofisa_match(parent, cf, aux) 78 struct device *parent; 79 struct cfdata *cf; 80 void *aux; 81 { 82 struct ofisa_attach_args *aa = aux; 83 const char *compatible_strings[] = { 84 "CRUS,CS8900", 85 /* XXX CS8920, CS8920M? */ 86 /* XXX PNP names? */ 87 NULL, 88 }; 89 int rv = 0; 90 91 if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) 92 rv = 5; 93 #ifdef _CS_OFISA_MD_MATCH 94 if (rv == 0) 95 rv = cs_ofisa_md_match(parent, cf, aux); 96 #endif 97 return (rv); 98 } 99 100 void 101 cs_ofisa_attach(parent, self, aux) 102 struct device *parent, *self; 103 void *aux; 104 { 105 struct cs_softc *sc = (struct cs_softc *) self; 106 struct ofisa_attach_args *aa = aux; 107 struct ofisa_reg_desc reg[2]; 108 struct ofisa_intr_desc intr; 109 struct ofisa_dma_desc dma; 110 int i, n, *media, nmedia, defmedia; 111 bus_addr_t io_addr, mem_addr; 112 char *model = NULL; 113 const char *message = NULL; 114 u_int8_t enaddr[6]; 115 116 sc->sc_ic = aa->ic; 117 sc->sc_iot = aa->iot; 118 sc->sc_memt = aa->memt; 119 120 /* 121 * We're living on an OFW. We have to ask the OFW what our 122 * registers and interrupts properties look like. 123 * 124 * We expect: 125 * 126 * 1 i/o register region 127 * 0 or 1 memory region 128 * 1 interrupt 129 * 0 or 1 dma channel 130 */ 131 132 io_addr = mem_addr = -1; 133 134 n = ofisa_reg_get(aa->oba.oba_phandle, reg, 2); 135 #ifdef _CS_OFISA_MD_REG_FIXUP 136 n = cs_ofisa_md_reg_fixup(parent, self, aux, reg, 2, n); 137 #endif 138 if (n < 1 || n > 2) { 139 printf(": error getting register data\n"); 140 return; 141 } 142 143 for (i = 0; i < n; i++) { 144 if (reg[i].type == OFISA_REG_TYPE_IO) { 145 if (io_addr != (bus_addr_t) -1) { 146 printf(": multiple I/O regions\n"); 147 return; 148 } 149 if (reg[i].len != CS8900_IOSIZE) { 150 printf(": weird register size (%lu, expected %d)\n", 151 (unsigned long)reg[i].len, CS8900_IOSIZE); 152 return; 153 } 154 io_addr = reg[i].addr; 155 } else { 156 if (mem_addr != (bus_addr_t) -1) { 157 printf(": multiple memory regions\n"); 158 return; 159 } 160 if (reg[i].len != CS8900_MEMSIZE) { 161 printf(": weird register size (%lu, expected %d)\n", 162 (unsigned long)reg[i].len, CS8900_MEMSIZE); 163 return; 164 } 165 mem_addr = reg[i].addr; 166 } 167 } 168 169 n = ofisa_intr_get(aa->oba.oba_phandle, &intr, 1); 170 #ifdef _CS_OFISA_MD_INTR_FIXUP 171 n = cs_ofisa_md_intr_fixup(parent, self, aux, &intr, 1, n); 172 #endif 173 if (n != 1) { 174 printf(": error getting interrupt data\n"); 175 return; 176 } 177 sc->sc_irq = intr.irq; 178 179 if (CS8900_IRQ_ISVALID(sc->sc_irq) == 0) { 180 printf(": invalid IRQ %d\n", sc->sc_irq); 181 return; 182 } 183 184 sc->sc_drq = ISACF_DRQ_DEFAULT; 185 n = ofisa_dma_get(aa->oba.oba_phandle, &dma, 1); 186 #ifdef _CS_OFISA_MD_DMA_FIXUP 187 n = cs_ofisa_md_dma_fixup(parent, self, aux, &dma, 1, n); 188 #endif 189 if (n == 1) 190 sc->sc_drq = dma.drq; 191 192 if (io_addr == (bus_addr_t) -1) { 193 printf(": no I/O space\n"); 194 return; 195 } 196 if (bus_space_map(sc->sc_iot, io_addr, CS8900_IOSIZE, 0, 197 &sc->sc_ioh)) { 198 printf(": unable to map register space\n"); 199 return; 200 } 201 202 if (mem_addr != (bus_addr_t) -1) { 203 if (bus_space_map(sc->sc_memt, mem_addr, CS8900_MEMSIZE, 0, 204 &sc->sc_memh)) { 205 message = "unable to map memory space"; 206 } else { 207 sc->sc_cfgflags |= CFGFLG_MEM_MODE; 208 sc->sc_pktpgaddr = mem_addr; 209 } 210 } 211 212 /* Dig MAC address out of the firmware. */ 213 if (OF_getprop(aa->oba.oba_phandle, "mac-address", enaddr, 214 sizeof(enaddr)) < 0) { 215 printf(": unable to get Ethernet address\n"); 216 return; 217 } 218 219 /* Dig media out of the firmware. */ 220 media = of_network_decode_media(aa->oba.oba_phandle, &nmedia, 221 &defmedia); 222 #ifdef _CS_OFISA_MD_MEDIA_FIXUP 223 media = cs_ofisa_md_media_fixup(parent, self, aux, media, &nmedia, 224 &defmedia); 225 #endif 226 if (media == NULL) { 227 printf(": unable to get media information\n"); 228 return; 229 } 230 231 n = OF_getproplen(aa->oba.oba_phandle, "model"); 232 if (n > 0) { 233 model = alloca(n); 234 if (OF_getprop(aa->oba.oba_phandle, "model", model, n) != n) 235 model = NULL; /* Safe; alloca is on-stack */ 236 } 237 if (model != NULL) 238 printf(": %s\n", model); 239 else 240 printf("\n"); 241 242 if (message != NULL) 243 printf("%s: %s\n", sc->sc_dev.dv_xname, message); 244 245 if (defmedia == -1) { 246 printf("%s: unable to get default media\n", 247 sc->sc_dev.dv_xname); 248 defmedia = media[0]; /* XXX What to do? */ 249 } 250 251 sc->sc_ih = isa_intr_establish(sc->sc_ic, sc->sc_irq, intr.share, 252 IPL_NET, cs_intr, sc); 253 if (sc->sc_ih == NULL) { 254 printf("%s: unable to establish interrupt\n", 255 sc->sc_dev.dv_xname); 256 return; 257 } 258 259 #ifdef _CS_OFISA_MD_CFGFLAGS_FIXUP 260 sc->sc_cfgflags |= cs_ofisa_md_cfgflags_fixup(parent, self, aux); 261 #endif 262 263 cs_attach(sc, enaddr, media, nmedia, defmedia); 264 265 /* This is malloc'd. */ 266 free(media, M_DEVBUF); 267 } 268
Indexes created Fri Sep 26 20:09:58 GMT 2025