if_sn_nubus.c revision 1.11
1 /* $NetBSD: if_sn_nubus.c,v 1.11 1997/04/30 19:47:11 scottr 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_snreg.h" 56 #include "if_snvar.h" 57 58 static int sn_nubus_match __P((struct device *, struct cfdata *, void *)); 59 static void sn_nubus_attach __P((struct device *, struct device *, void *)); 60 static int sn_nb_card_vendor __P((struct nubus_attach_args *)); 61 62 struct cfattach sn_nubus_ca = { 63 sizeof(struct sn_softc), sn_nubus_match, sn_nubus_attach 64 }; 65 66 67 static int 68 sn_nubus_match(parent, cf, aux) 69 struct device *parent; 70 struct cfdata *cf; 71 void *aux; 72 { 73 struct nubus_attach_args *na = (struct nubus_attach_args *) aux; 74 bus_space_handle_t bsh; 75 int rv; 76 77 if (bus_space_map(na->na_tag, 78 NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) 79 return (0); 80 81 rv = 0; 82 83 if (na->category == NUBUS_CATEGORY_NETWORK && 84 na->type == NUBUS_TYPE_ETHERNET) { 85 switch (sn_nb_card_vendor(na)) { 86 default: 87 break; 88 89 case SN_VENDOR_APPLE: 90 case SN_VENDOR_DAYNA: 91 rv = 1; 92 break; 93 } 94 } 95 96 bus_space_unmap(na->na_tag, bsh, NBMEMSIZE); 97 98 return rv; 99 } 100 101 /* 102 * Install interface into kernel networking data structures 103 */ 104 static void 105 sn_nubus_attach(parent, self, aux) 106 struct device *parent, *self; 107 void *aux; 108 { 109 struct sn_softc *sc = (void *)self; 110 struct nubus_attach_args *na = (struct nubus_attach_args *)aux; 111 int i, success, offset; 112 bus_space_tag_t bst; 113 bus_space_handle_t bsh, tmp_bsh; 114 u_int8_t myaddr[ETHER_ADDR_LEN]; 115 116 (void)(&offset); /* Work around lame gcc initialization bug */ 117 118 bst = na->na_tag; 119 if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) { 120 printf(": failed to map memory space.\n"); 121 return; 122 } 123 124 sc->sc_regt = bst; 125 sc->bitmode = 1; 126 127 success = 0; 128 129 sc->bitmode = 1; /* 32-bit card */ 130 sc->slotno = na->slot; 131 132 switch (sn_nb_card_vendor(na)) { 133 case SN_VENDOR_DAYNA: 134 sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_DW32 | 135 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 136 sc->snr_dcr2 = 0; 137 138 if (bus_space_subregion(bst, bsh, 139 0x00180000, SN_REGSIZE, &sc->sc_regh)) { 140 printf(": failed to map register space.\n"); 141 break; 142 } 143 144 if (bus_space_subregion(bst, bsh, 145 0x00ffe004, ETHER_ADDR_LEN, &tmp_bsh)) { 146 printf(": failed to map ROM space.\n"); 147 break; 148 } 149 150 sn_get_enaddr(bst, tmp_bsh, 0, myaddr); 151 152 offset = 2; 153 success = 1; 154 break; 155 156 case SN_VENDOR_APPLE: 157 sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_DW32 | 158 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 159 sc->snr_dcr2 = 0; 160 161 if (bus_space_subregion(bst, bsh, 162 0x0, SN_REGSIZE, &sc->sc_regh)) { 163 printf(": failed to map register space.\n"); 164 break; 165 } 166 167 if (bus_space_subregion(bst, bsh, 168 0x40000, ETHER_ADDR_LEN, &tmp_bsh)) { 169 printf(": failed to map ROM space.\n"); 170 break; 171 } 172 173 sn_get_enaddr(bst, tmp_bsh, 0, myaddr); 174 175 offset = 0; 176 success = 1; 177 break; 178 179 default: 180 /* 181 * You can't actually get this default, the snmatch 182 * will fail for unknown hardware. If you're adding support 183 * for a new card, the following defaults are a 184 * good starting point. 185 */ 186 sc->snr_dcr = DCR_SYNC | DCR_WAIT0 | DCR_DW32 | 187 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 188 sc->snr_dcr2 = 0; 189 success = 0; 190 printf(": unknown card: attachment incomplete.\n"); 191 } 192 193 if (!success) { 194 bus_space_unmap(bst, bsh, NBMEMSIZE); 195 return; 196 } 197 198 /* Regs are addressed as words, big endian. */ 199 for (i = 0; i < SN_NREGS; i++) { 200 sc->sc_reg_map[i] = (bus_size_t)((i * 4) + offset); 201 } 202 203 /* snsetup returns 1 if something fails */ 204 if (snsetup(sc, myaddr)) { 205 bus_space_unmap(bst, bsh, NBMEMSIZE); 206 return; 207 } 208 209 add_nubus_intr(sc->slotno, snintr, (void *)sc); 210 211 return; 212 } 213 214 static int 215 sn_nb_card_vendor(na) 216 struct nubus_attach_args *na; 217 { 218 int vendor = SN_VENDOR_UNKNOWN; 219 220 switch (na->drsw) { 221 case NUBUS_DRSW_3COM: 222 if (na->drhw == NUBUS_DRHW_APPLE_SN) 223 vendor = SN_VENDOR_APPLE; 224 break; 225 case NUBUS_DRSW_APPLE: 226 case NUBUS_DRSW_TECHWORKS: 227 vendor = SN_VENDOR_APPLE; 228 break; 229 case NUBUS_DRSW_GATOR: 230 if (na->drhw == NUBUS_DRHW_KINETICS && 231 strncmp(nubus_get_card_name(na->fmt), "EtherPort", 9) != 0) 232 vendor = SN_VENDOR_DAYNA; 233 break; 234 case NUBUS_DRSW_DAYNA: 235 vendor = SN_VENDOR_DAYNA; 236 break; 237 } 238 239 return vendor; 240 } 241
Indexes created Fri Oct 03 02:09:57 GMT 2025