1 /* $NetBSD: if_cs_ofisa.c,v 1.10 2002/10/02 16:34:28 thorpej 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 1.10 2002/10/02 16:34:28 thorpej 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/ic/cs89x0reg.h> 70 #include <dev/ic/cs89x0var.h> 71 #include <dev/isa/cs89x0isavar.h> 72 73 int cs_ofisa_match __P((struct device *, struct cfdata *, void *)); 74 void cs_ofisa_attach __P((struct device *, struct device *, void *)); 75 76 CFATTACH_DECL(cs_ofisa, sizeof(struct cs_softc_isa), 77 cs_ofisa_match, cs_ofisa_attach, NULL, NULL); 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 static const char *const 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 cs_softc_isa *isc = (void *)sc; 110 struct ofisa_attach_args *aa = aux; 111 struct ofisa_reg_desc reg[2]; 112 struct ofisa_intr_desc intr; 113 struct ofisa_dma_desc dma; 114 int i, n, *media, nmedia, defmedia; 115 bus_addr_t io_addr, mem_addr; 116 char *model = NULL; 117 const char *message = NULL; 118 u_int8_t enaddr[6]; 119 120 isc->sc_ic = aa->ic; 121 sc->sc_iot = aa->iot; 122 sc->sc_memt = aa->memt; 123 124 /* 125 * We're living on an OFW. We have to ask the OFW what our 126 * registers and interrupts properties look like. 127 * 128 * We expect: 129 * 130 * 1 i/o register region 131 * 0 or 1 memory region 132 * 1 interrupt 133 * 0 or 1 dma channel 134 */ 135 136 io_addr = mem_addr = -1; 137 138 n = ofisa_reg_get(aa->oba.oba_phandle, reg, 2); 139 #ifdef _CS_OFISA_MD_REG_FIXUP 140 n = cs_ofisa_md_reg_fixup(parent, self, aux, reg, 2, n); 141 #endif 142 if (n < 1 || n > 2) { 143 printf(": error getting register data\n"); 144 return; 145 } 146 147 for (i = 0; i < n; i++) { 148 if (reg[i].type == OFISA_REG_TYPE_IO) { 149 if (io_addr != (bus_addr_t) -1) { 150 printf(": multiple I/O regions\n"); 151 return; 152 } 153 if (reg[i].len != CS8900_IOSIZE) { 154 printf(": weird register size (%lu, expected %d)\n", 155 (unsigned long)reg[i].len, CS8900_IOSIZE); 156 return; 157 } 158 io_addr = reg[i].addr; 159 } else { 160 if (mem_addr != (bus_addr_t) -1) { 161 printf(": multiple memory regions\n"); 162 return; 163 } 164 if (reg[i].len != CS8900_MEMSIZE) { 165 printf(": weird register size (%lu, expected %d)\n", 166 (unsigned long)reg[i].len, CS8900_MEMSIZE); 167 return; 168 } 169 mem_addr = reg[i].addr; 170 } 171 } 172 173 n = ofisa_intr_get(aa->oba.oba_phandle, &intr, 1); 174 #ifdef _CS_OFISA_MD_INTR_FIXUP 175 n = cs_ofisa_md_intr_fixup(parent, self, aux, &intr, 1, n); 176 #endif 177 if (n != 1) { 178 printf(": error getting interrupt data\n"); 179 return; 180 } 181 sc->sc_irq = intr.irq; 182 183 if (CS8900_IRQ_ISVALID(sc->sc_irq) == 0) { 184 printf(": invalid IRQ %d\n", sc->sc_irq); 185 return; 186 } 187 188 isc->sc_drq = ISACF_DRQ_DEFAULT; 189 n = ofisa_dma_get(aa->oba.oba_phandle, &dma, 1); 190 #ifdef _CS_OFISA_MD_DMA_FIXUP 191 n = cs_ofisa_md_dma_fixup(parent, self, aux, &dma, 1, n); 192 #endif 193 if (n == 1) 194 isc->sc_drq = dma.drq; 195 196 if (io_addr == (bus_addr_t) -1) { 197 printf(": no I/O space\n"); 198 return; 199 } 200 if (bus_space_map(sc->sc_iot, io_addr, CS8900_IOSIZE, 0, 201 &sc->sc_ioh)) { 202 printf(": unable to map register space\n"); 203 return; 204 } 205 206 if (mem_addr != (bus_addr_t) -1) { 207 if (bus_space_map(sc->sc_memt, mem_addr, CS8900_MEMSIZE, 0, 208 &sc->sc_memh)) { 209 message = "unable to map memory space"; 210 } else { 211 sc->sc_cfgflags |= CFGFLG_MEM_MODE; 212 sc->sc_pktpgaddr = mem_addr; 213 } 214 } 215 216 /* Dig MAC address out of the firmware. */ 217 if (OF_getprop(aa->oba.oba_phandle, "mac-address", enaddr, 218 sizeof(enaddr)) < 0) { 219 printf(": unable to get Ethernet address\n"); 220 return; 221 } 222 223 /* Dig media out of the firmware. */ 224 media = of_network_decode_media(aa->oba.oba_phandle, &nmedia, 225 &defmedia); 226 #ifdef _CS_OFISA_MD_MEDIA_FIXUP 227 media = cs_ofisa_md_media_fixup(parent, self, aux, media, &nmedia, 228 &defmedia); 229 #endif 230 if (media == NULL) { 231 printf(": unable to get media information\n"); 232 return; 233 } 234 235 n = OF_getproplen(aa->oba.oba_phandle, "model"); 236 if (n > 0) { 237 model = alloca(n); 238 if (OF_getprop(aa->oba.oba_phandle, "model", model, n) != n) 239 model = NULL; /* Safe; alloca is on-stack */ 240 } 241 if (model != NULL) 242 printf(": %s\n", model); 243 else 244 printf("\n"); 245 246 if (message != NULL) 247 printf("%s: %s\n", sc->sc_dev.dv_xname, message); 248 249 if (defmedia == -1) { 250 printf("%s: unable to get default media\n", 251 sc->sc_dev.dv_xname); 252 defmedia = media[0]; /* XXX What to do? */ 253 } 254 255 sc->sc_ih = isa_intr_establish(isc->sc_ic, sc->sc_irq, intr.share, 256 IPL_NET, cs_intr, sc); 257 if (sc->sc_ih == NULL) { 258 printf("%s: unable to establish interrupt\n", 259 sc->sc_dev.dv_xname); 260 return; 261 } 262 263 #ifdef _CS_OFISA_MD_CFGFLAGS_FIXUP 264 sc->sc_cfgflags |= cs_ofisa_md_cfgflags_fixup(parent, self, aux); 265 #endif 266 267 sc->sc_dma_chipinit = cs_isa_dma_chipinit; 268 sc->sc_dma_attach = cs_isa_dma_attach; 269 sc->sc_dma_process_rx = cs_process_rx_dma; 270 271 cs_attach(sc, enaddr, media, nmedia, defmedia); 272 273 /* This is malloc'd. */ 274 free(media, M_DEVBUF); 275 } 276