1 /* $NetBSD: if_cs_ofisa.c,v 1.6 2001/11/26 19:17:07 yamt 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 1.6 2001/11/26 19:17:07 yamt 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 struct cfattach cs_ofisa_ca = { 77 sizeof(struct cs_softc_isa), cs_ofisa_match, cs_ofisa_attach 78 }; 79 80 int 81 cs_ofisa_match(parent, cf, aux) 82 struct device *parent; 83 struct cfdata *cf; 84 void *aux; 85 { 86 struct ofisa_attach_args *aa = aux; 87 const char *compatible_strings[] = { 88 "CRUS,CS8900", 89 /* XXX CS8920, CS8920M? */ 90 /* XXX PNP names? */ 91 NULL, 92 }; 93 int rv = 0; 94 95 if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) 96 rv = 5; 97 #ifdef _CS_OFISA_MD_MATCH 98 if (rv == 0) 99 rv = cs_ofisa_md_match(parent, cf, aux); 100 #endif 101 return (rv); 102 } 103 104 void 105 cs_ofisa_attach(parent, self, aux) 106 struct device *parent, *self; 107 void *aux; 108 { 109 struct cs_softc *sc = (struct cs_softc *) self; 110 struct cs_softc_isa *isc = (void *)sc; 111 struct ofisa_attach_args *aa = aux; 112 struct ofisa_reg_desc reg[2]; 113 struct ofisa_intr_desc intr; 114 struct ofisa_dma_desc dma; 115 int i, n, *media, nmedia, defmedia; 116 bus_addr_t io_addr, mem_addr; 117 char *model = NULL; 118 const char *message = NULL; 119 u_int8_t enaddr[6]; 120 121 isc->sc_ic = aa->ic; 122 sc->sc_iot = aa->iot; 123 sc->sc_memt = aa->memt; 124 125 /* 126 * We're living on an OFW. We have to ask the OFW what our 127 * registers and interrupts properties look like. 128 * 129 * We expect: 130 * 131 * 1 i/o register region 132 * 0 or 1 memory region 133 * 1 interrupt 134 * 0 or 1 dma channel 135 */ 136 137 io_addr = mem_addr = -1; 138 139 n = ofisa_reg_get(aa->oba.oba_phandle, reg, 2); 140 #ifdef _CS_OFISA_MD_REG_FIXUP 141 n = cs_ofisa_md_reg_fixup(parent, self, aux, reg, 2, n); 142 #endif 143 if (n < 1 || n > 2) { 144 printf(": error getting register data\n"); 145 return; 146 } 147 148 for (i = 0; i < n; i++) { 149 if (reg[i].type == OFISA_REG_TYPE_IO) { 150 if (io_addr != (bus_addr_t) -1) { 151 printf(": multiple I/O regions\n"); 152 return; 153 } 154 if (reg[i].len != CS8900_IOSIZE) { 155 printf(": weird register size (%lu, expected %d)\n", 156 (unsigned long)reg[i].len, CS8900_IOSIZE); 157 return; 158 } 159 io_addr = reg[i].addr; 160 } else { 161 if (mem_addr != (bus_addr_t) -1) { 162 printf(": multiple memory regions\n"); 163 return; 164 } 165 if (reg[i].len != CS8900_MEMSIZE) { 166 printf(": weird register size (%lu, expected %d)\n", 167 (unsigned long)reg[i].len, CS8900_MEMSIZE); 168 return; 169 } 170 mem_addr = reg[i].addr; 171 } 172 } 173 174 n = ofisa_intr_get(aa->oba.oba_phandle, &intr, 1); 175 #ifdef _CS_OFISA_MD_INTR_FIXUP 176 n = cs_ofisa_md_intr_fixup(parent, self, aux, &intr, 1, n); 177 #endif 178 if (n != 1) { 179 printf(": error getting interrupt data\n"); 180 return; 181 } 182 sc->sc_irq = intr.irq; 183 184 if (CS8900_IRQ_ISVALID(sc->sc_irq) == 0) { 185 printf(": invalid IRQ %d\n", sc->sc_irq); 186 return; 187 } 188 189 isc->sc_drq = ISACF_DRQ_DEFAULT; 190 n = ofisa_dma_get(aa->oba.oba_phandle, &dma, 1); 191 #ifdef _CS_OFISA_MD_DMA_FIXUP 192 n = cs_ofisa_md_dma_fixup(parent, self, aux, &dma, 1, n); 193 #endif 194 if (n == 1) 195 isc->sc_drq = dma.drq; 196 197 if (io_addr == (bus_addr_t) -1) { 198 printf(": no I/O space\n"); 199 return; 200 } 201 if (bus_space_map(sc->sc_iot, io_addr, CS8900_IOSIZE, 0, 202 &sc->sc_ioh)) { 203 printf(": unable to map register space\n"); 204 return; 205 } 206 207 if (mem_addr != (bus_addr_t) -1) { 208 if (bus_space_map(sc->sc_memt, mem_addr, CS8900_MEMSIZE, 0, 209 &sc->sc_memh)) { 210 message = "unable to map memory space"; 211 } else { 212 sc->sc_cfgflags |= CFGFLG_MEM_MODE; 213 sc->sc_pktpgaddr = mem_addr; 214 } 215 } 216 217 /* Dig MAC address out of the firmware. */ 218 if (OF_getprop(aa->oba.oba_phandle, "mac-address", enaddr, 219 sizeof(enaddr)) < 0) { 220 printf(": unable to get Ethernet address\n"); 221 return; 222 } 223 224 /* Dig media out of the firmware. */ 225 media = of_network_decode_media(aa->oba.oba_phandle, &nmedia, 226 &defmedia); 227 #ifdef _CS_OFISA_MD_MEDIA_FIXUP 228 media = cs_ofisa_md_media_fixup(parent, self, aux, media, &nmedia, 229 &defmedia); 230 #endif 231 if (media == NULL) { 232 printf(": unable to get media information\n"); 233 return; 234 } 235 236 n = OF_getproplen(aa->oba.oba_phandle, "model"); 237 if (n > 0) { 238 model = alloca(n); 239 if (OF_getprop(aa->oba.oba_phandle, "model", model, n) != n) 240 model = NULL; /* Safe; alloca is on-stack */ 241 } 242 if (model != NULL) 243 printf(": %s\n", model); 244 else 245 printf("\n"); 246 247 if (message != NULL) 248 printf("%s: %s\n", sc->sc_dev.dv_xname, message); 249 250 if (defmedia == -1) { 251 printf("%s: unable to get default media\n", 252 sc->sc_dev.dv_xname); 253 defmedia = media[0]; /* XXX What to do? */ 254 } 255 256 sc->sc_ih = isa_intr_establish(isc->sc_ic, sc->sc_irq, intr.share, 257 IPL_NET, cs_intr, sc); 258 if (sc->sc_ih == NULL) { 259 printf("%s: unable to establish interrupt\n", 260 sc->sc_dev.dv_xname); 261 return; 262 } 263 264 #ifdef _CS_OFISA_MD_CFGFLAGS_FIXUP 265 sc->sc_cfgflags |= cs_ofisa_md_cfgflags_fixup(parent, self, aux); 266 #endif 267 268 sc->sc_dma_chipinit = cs_isa_dma_chipinit; 269 sc->sc_dma_attach = cs_isa_dma_attach; 270 sc->sc_dma_process_rx = cs_process_rx_dma; 271 272 cs_attach(sc, enaddr, media, nmedia, defmedia); 273 274 /* This is malloc'd. */ 275 free(media, M_DEVBUF); 276 } 277