if_sn_nubus.c revision 1.4
1 /* $NetBSD: if_sn_nubus.c,v 1.4 1997/04/10 03:22:47 briggs Exp $ */ 2 3 /* 4 * Copyright (C) 1997 Allen Briggs 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Allen Briggs 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/param.h> 34 #include <sys/device.h> 35 #include <sys/errno.h> 36 #include <sys/ioctl.h> 37 #include <sys/socket.h> 38 #include <sys/syslog.h> 39 #include <sys/systm.h> 40 41 #include <net/if.h> 42 #include <net/if_ether.h> 43 44 #if 0 /* XXX this shouldn't be necessary; else reinsert */ 45 #ifdef INET 46 #include <netinet/in.h> 47 #include <netinet/if_inarp.h> 48 #endif 49 #endif 50 51 #include <machine/bus.h> 52 #include <machine/viareg.h> 53 54 #include "nubus.h" 55 #include "if_aereg.h" /* For AE_VENDOR values */ 56 #include "if_snreg.h" 57 #include "if_snvar.h" 58 59 static int sn_nubus_match __P((struct device *, struct cfdata *, void *)); 60 static void sn_nubus_attach __P((struct device *, struct device *, void *)); 61 static int sn_nb_card_vendor __P((struct nubus_attach_args *)); 62 static int sn_nb_get_enaddr __P((struct nubus_attach_args *, 63 u_int8_t *, int)); 64 65 struct cfattach sn_nubus_ca = { 66 sizeof(struct sn_softc), sn_nubus_match, sn_nubus_attach 67 }; 68 69 70 static int 71 sn_nubus_match(parent, cf, aux) 72 struct device *parent; 73 struct cfdata *cf; 74 void *aux; 75 { 76 struct nubus_attach_args *na = (struct nubus_attach_args *) aux; 77 bus_space_handle_t bsh; 78 int rv; 79 80 if (bus_space_map(na->na_tag, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 81 0, &bsh)) 82 return (0); 83 84 rv = 0; 85 86 if (na->category == NUBUS_CATEGORY_NETWORK && 87 na->type == NUBUS_TYPE_ETHERNET) { 88 switch (sn_nb_card_vendor(na)) { 89 default: 90 break; 91 92 case AE_VENDOR_APPLE: 93 case AE_VENDOR_DAYNA: 94 rv = 1; 95 break; 96 } 97 } 98 99 bus_space_unmap(na->na_tag, bsh, NBMEMSIZE); 100 101 return rv; 102 } 103 104 /* 105 * Install interface into kernel networking data structures 106 */ 107 static void 108 sn_nubus_attach(parent, self, aux) 109 struct device *parent, *self; 110 void *aux; 111 { 112 struct sn_softc *sc = (void *)self; 113 struct nubus_attach_args *na = (struct nubus_attach_args *)aux; 114 int i, success; 115 bus_space_tag_t bst; 116 bus_space_handle_t bsh, tmp_bsh; 117 u_int8_t myaddr[ETHER_ADDR_LEN]; 118 119 bst = na->na_tag; 120 if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) { 121 printf(": failed to map memory space.\n"); 122 return; 123 } 124 125 sc->sc_regt = bst; 126 sc->bitmode = 1; 127 128 success = 0; 129 130 sc->bitmode = 1; /* 32-bit card */ 131 sc->slotno = na->slot; 132 133 switch (sn_nb_card_vendor(na)) { 134 case AE_VENDOR_DAYNA: 135 sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_DW32 | 136 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 137 sc->snr_dcr2 = 0; 138 139 if (bus_space_subregion(bst, bsh, 0x00180000, SN_REGSIZE, 140 &sc->sc_regh)) { 141 printf(": failed to map register space.\n"); 142 break; 143 } 144 145 if (bus_space_subregion(bst, bsh, 0x00ffe004, ETHER_ADDR_LEN, 146 &tmp_bsh)) { 147 printf(": failed to map ROM space.\n"); 148 break; 149 } 150 151 /* 152 * Copy out the ethernet address from the card's ROM 153 * 154 * See if_sn_obio.c for a discussion of bit reversal 155 * in Apple's MAC address PROMs. As far as I can tell 156 * Dayna stores their Mac address in ethernet format, 157 * not Token Ring. 158 */ 159 for (i = 0; i < ETHER_ADDR_LEN; ++i) 160 myaddr[i] = bus_space_read_1(bst, tmp_bsh, i); 161 162 success = 1; 163 break; 164 165 case AE_VENDOR_APPLE: 166 sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_DW32 | 167 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 168 sc->snr_dcr2 = 0; 169 170 if (bus_space_subregion(bst, bsh, 0x00180000, SN_REGSIZE, 171 &sc->sc_regh)) { 172 printf(": failed to map register space.\n"); 173 break; 174 } 175 176 if (sn_nb_get_enaddr(na, myaddr, 0x8) == 0) 177 success = 1; 178 179 break; 180 181 default: 182 /* 183 * You can't actually get this default, the snmatch 184 * will fail for unknown hardware. If you're adding support 185 * for a new card, the following defaults are a 186 * good starting point. 187 */ 188 sc->snr_dcr = DCR_SYNC | DCR_WAIT0 | DCR_DW32 | 189 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 190 sc->snr_dcr2 = 0; 191 printf(": attachment incomplete.\n"); 192 return; 193 } 194 195 if (!success) { 196 bus_space_unmap(bst, bsh, NBMEMSIZE); 197 return; 198 } 199 200 /* Regs are addressed as words, big endian. */ 201 for (i = 0; i < SN_NREGS; i++) { 202 sc->sc_reg_map[i] = (bus_size_t)((i * 4) + 2); 203 } 204 205 /* snsetup returns 1 if something fails */ 206 if (snsetup(sc, myaddr)) { 207 bus_space_unmap(bst, bsh, NBMEMSIZE); 208 return; 209 } 210 211 add_nubus_intr(sc->slotno, snintr, (void *)sc); 212 213 return; 214 } 215 216 static int 217 sn_nb_card_vendor(na) 218 struct nubus_attach_args *na; 219 { 220 int vendor; 221 222 switch (na->drsw) { 223 case NUBUS_DRSW_3COM: 224 switch (na->drhw) { 225 case NUBUS_DRHW_APPLE_SN: 226 vendor = AE_VENDOR_APPLE; 227 break; 228 default: 229 vendor = AE_VENDOR_UNKNOWN; 230 break; 231 } 232 break; 233 case NUBUS_DRSW_APPLE: 234 case NUBUS_DRSW_TECHWORKS: 235 vendor = AE_VENDOR_APPLE; 236 break; 237 case NUBUS_DRSW_ASANTE: 238 vendor = AE_VENDOR_ASANTE; 239 break; 240 case NUBUS_DRSW_FARALLON: 241 vendor = AE_VENDOR_FARALLON; 242 break; 243 case NUBUS_DRSW_FOCUS: 244 vendor = AE_VENDOR_FOCUS; 245 break; 246 case NUBUS_DRSW_GATOR: 247 switch (na->drhw) { 248 default: 249 case NUBUS_DRHW_INTERLAN: 250 vendor = AE_VENDOR_INTERLAN; 251 break; 252 case NUBUS_DRHW_KINETICS: 253 if (strncmp( 254 nubus_get_card_name(na->fmt), "EtherPort", 9) == 0) 255 vendor = AE_VENDOR_KINETICS; 256 else 257 vendor = AE_VENDOR_DAYNA; 258 break; 259 } 260 break; 261 case NUBUS_DRSW_DAYNA: 262 vendor = AE_VENDOR_DAYNA; 263 break; 264 default: 265 #ifdef DIAGNOSTIC 266 printf("Unknown ethernet drsw: %x\n", na->drsw); 267 #endif 268 vendor = AE_VENDOR_UNKNOWN; 269 } 270 return vendor; 271 } 272 273 static int 274 sn_nb_get_enaddr(na, ep, rsrc1) 275 struct nubus_attach_args *na; 276 u_int8_t *ep; 277 int rsrc1; 278 { 279 nubus_dir dir; 280 nubus_dirent dirent; 281 282 nubus_get_main_dir(na->fmt, &dir); 283 if (nubus_find_rsrc(na->fmt, &dir, na->rsrcid, &dirent) <= 0) 284 return 1; 285 nubus_get_dir_from_rsrc(na->fmt, &dirent, &dir); 286 if (nubus_find_rsrc(na->fmt, &dir, rsrc1, &dirent) <= 0) 287 return 1; 288 if (nubus_get_ind_data(na->fmt, &dirent, ep, ETHER_ADDR_LEN) <= 0) 289 return 1; 290 291 return 0; 292 } 293 294
Indexes created Fri Oct 03 17:10:05 GMT 2025