if_sn_nubus.c revision 1.8
1 /* $NetBSD: if_sn_nubus.c,v 1.8 1997/04/22 03:04:33 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 63 struct cfattach sn_nubus_ca = { 64 sizeof(struct sn_softc), sn_nubus_match, sn_nubus_attach 65 }; 66 67 68 static int 69 sn_nubus_match(parent, cf, aux) 70 struct device *parent; 71 struct cfdata *cf; 72 void *aux; 73 { 74 struct nubus_attach_args *na = (struct nubus_attach_args *) aux; 75 bus_space_handle_t bsh; 76 int rv; 77 78 if (bus_space_map(na->na_tag, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 79 0, &bsh)) 80 return (0); 81 82 rv = 0; 83 84 if (na->category == NUBUS_CATEGORY_NETWORK && 85 na->type == NUBUS_TYPE_ETHERNET) { 86 switch (sn_nb_card_vendor(na)) { 87 default: 88 break; 89 90 case AE_VENDOR_APPLE: 91 case AE_VENDOR_DAYNA: 92 rv = 1; 93 break; 94 } 95 } 96 97 bus_space_unmap(na->na_tag, bsh, NBMEMSIZE); 98 99 return rv; 100 } 101 102 /* 103 * Install interface into kernel networking data structures 104 */ 105 static void 106 sn_nubus_attach(parent, self, aux) 107 struct device *parent, *self; 108 void *aux; 109 { 110 struct sn_softc *sc = (void *)self; 111 struct nubus_attach_args *na = (struct nubus_attach_args *)aux; 112 int i, success, offset; 113 bus_space_tag_t bst; 114 bus_space_handle_t bsh, tmp_bsh; 115 u_int8_t myaddr[ETHER_ADDR_LEN]; 116 117 bst = na->na_tag; 118 if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) { 119 printf(": failed to map memory space.\n"); 120 return; 121 } 122 123 sc->sc_regt = bst; 124 sc->bitmode = 1; 125 126 success = 0; 127 128 sc->bitmode = 1; /* 32-bit card */ 129 sc->slotno = na->slot; 130 131 switch (sn_nb_card_vendor(na)) { 132 case AE_VENDOR_DAYNA: 133 sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_DW32 | 134 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 135 sc->snr_dcr2 = 0; 136 137 if (bus_space_subregion(bst, bsh, 0x00180000, SN_REGSIZE, 138 &sc->sc_regh)) { 139 printf(": failed to map register space.\n"); 140 break; 141 } 142 143 if (bus_space_subregion(bst, bsh, 0x00ffe004, ETHER_ADDR_LEN, 144 &tmp_bsh)) { 145 printf(": failed to map ROM space.\n"); 146 break; 147 } 148 149 sn_get_enaddr(bst, tmp_bsh, 0, myaddr); 150 151 offset = 2; 152 success = 1; 153 break; 154 155 case AE_VENDOR_APPLE: 156 sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_DW32 | 157 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 158 sc->snr_dcr2 = 0; 159 160 if (bus_space_subregion(bst, bsh, 0x0, SN_REGSIZE, 161 &sc->sc_regh)) { 162 printf(": failed to map register space.\n"); 163 break; 164 } 165 166 if (bus_space_subregion(bst, bsh, 0x40000, ETHER_ADDR_LEN, 167 &tmp_bsh)) { 168 printf(": failed to map ROM space.\n"); 169 break; 170 } 171 172 sn_get_enaddr(bst, tmp_bsh, 0, myaddr); 173 174 offset = 0; 175 success = 1; 176 break; 177 178 default: 179 /* 180 * You can't actually get this default, the snmatch 181 * will fail for unknown hardware. If you're adding support 182 * for a new card, the following defaults are a 183 * good starting point. 184 */ 185 sc->snr_dcr = DCR_SYNC | DCR_WAIT0 | DCR_DW32 | 186 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 187 sc->snr_dcr2 = 0; 188 printf(": attachment incomplete.\n"); 189 offset = 0; 190 success = 0; 191 return; 192 } 193 194 if (!success) { 195 bus_space_unmap(bst, bsh, NBMEMSIZE); 196 return; 197 } 198 199 /* Regs are addressed as words, big endian. */ 200 for (i = 0; i < SN_NREGS; i++) { 201 sc->sc_reg_map[i] = (bus_size_t)((i * 4) + offset); 202 } 203 204 /* snsetup returns 1 if something fails */ 205 if (snsetup(sc, myaddr)) { 206 bus_space_unmap(bst, bsh, NBMEMSIZE); 207 return; 208 } 209 210 add_nubus_intr(sc->slotno, snintr, (void *)sc); 211 212 return; 213 } 214 215 static int 216 sn_nb_card_vendor(na) 217 struct nubus_attach_args *na; 218 { 219 int vendor; 220 221 switch (na->drsw) { 222 case NUBUS_DRSW_3COM: 223 switch (na->drhw) { 224 case NUBUS_DRHW_APPLE_SN: 225 vendor = AE_VENDOR_APPLE; 226 break; 227 default: 228 vendor = AE_VENDOR_UNKNOWN; 229 break; 230 } 231 break; 232 case NUBUS_DRSW_APPLE: 233 case NUBUS_DRSW_TECHWORKS: 234 vendor = AE_VENDOR_APPLE; 235 break; 236 case NUBUS_DRSW_ASANTE: 237 vendor = AE_VENDOR_ASANTE; 238 break; 239 case NUBUS_DRSW_FARALLON: 240 vendor = AE_VENDOR_FARALLON; 241 break; 242 case NUBUS_DRSW_FOCUS: 243 vendor = AE_VENDOR_FOCUS; 244 break; 245 case NUBUS_DRSW_GATOR: 246 switch (na->drhw) { 247 default: 248 case NUBUS_DRHW_INTERLAN: 249 vendor = AE_VENDOR_INTERLAN; 250 break; 251 case NUBUS_DRHW_KINETICS: 252 if (strncmp( 253 nubus_get_card_name(na->fmt), "EtherPort", 9) == 0) 254 vendor = AE_VENDOR_KINETICS; 255 else 256 vendor = AE_VENDOR_DAYNA; 257 break; 258 } 259 break; 260 case NUBUS_DRSW_DAYNA: 261 vendor = AE_VENDOR_DAYNA; 262 break; 263 default: 264 #ifdef DIAGNOSTIC 265 printf("Unknown ethernet drsw: %x\n", na->drsw); 266 #endif 267 vendor = AE_VENDOR_UNKNOWN; 268 } 269 return vendor; 270 } 271
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