if_sn_nubus.c revision 1.13
1 /* $NetBSD: if_sn_nubus.c,v 1.13 1997/05/11 19:11:34 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((bus_space_tag_t, bus_space_handle_t, 61 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, 79 NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 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->na_tag, bsh, na)) { 87 default: 88 break; 89 90 case SN_VENDOR_APPLE: 91 case SN_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 (void)(&offset); /* Work around lame gcc initialization bug */ 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(bst, bsh, na)) { 134 case SN_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, 140 0x00180000, SN_REGSIZE, &sc->sc_regh)) { 141 printf(": failed to map register space.\n"); 142 break; 143 } 144 145 if (bus_space_subregion(bst, bsh, 146 0x00ffe004, ETHER_ADDR_LEN, &tmp_bsh)) { 147 printf(": failed to map ROM space.\n"); 148 break; 149 } 150 151 sn_get_enaddr(bst, tmp_bsh, 0, myaddr); 152 153 offset = 2; 154 success = 1; 155 break; 156 157 case SN_VENDOR_APPLE: 158 sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_DW32 | 159 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 160 sc->snr_dcr2 = 0; 161 162 if (bus_space_subregion(bst, bsh, 163 0x0, SN_REGSIZE, &sc->sc_regh)) { 164 printf(": failed to map register space.\n"); 165 break; 166 } 167 168 if (bus_space_subregion(bst, bsh, 169 0x40000, ETHER_ADDR_LEN, &tmp_bsh)) { 170 printf(": failed to map ROM space.\n"); 171 break; 172 } 173 174 sn_get_enaddr(bst, tmp_bsh, 0, myaddr); 175 176 offset = 0; 177 success = 1; 178 break; 179 180 default: 181 /* 182 * You can't actually get this default, the snmatch 183 * will fail for unknown hardware. If you're adding support 184 * for a new card, the following defaults are a 185 * good starting point. 186 */ 187 sc->snr_dcr = DCR_SYNC | DCR_WAIT0 | DCR_DW32 | 188 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 189 sc->snr_dcr2 = 0; 190 success = 0; 191 printf(": unknown card: attachment incomplete.\n"); 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(bst, bsh, na) 217 bus_space_tag_t bst; 218 bus_space_handle_t bsh; 219 struct nubus_attach_args *na; 220 { 221 int vendor = SN_VENDOR_UNKNOWN; 222 223 switch (na->drsw) { 224 case NUBUS_DRSW_3COM: 225 if ( (na->drhw == NUBUS_DRHW_APPLE_SN) 226 || (na->drhw == NUBUS_DRHW_APPLE_SNT)) 227 vendor = SN_VENDOR_APPLE; 228 break; 229 case NUBUS_DRSW_APPLE: 230 case NUBUS_DRSW_TECHWORKS: 231 vendor = SN_VENDOR_APPLE; 232 break; 233 case NUBUS_DRSW_GATOR: 234 if (na->drhw == NUBUS_DRHW_KINETICS && 235 strncmp(nubus_get_card_name(bst, bsh, na->fmt), 236 "EtherPort", 9) != 0) 237 vendor = SN_VENDOR_DAYNA; 238 break; 239 case NUBUS_DRSW_DAYNA: 240 vendor = SN_VENDOR_DAYNA; 241 break; 242 } 243 244 return vendor; 245 } 246
Indexes created Fri Oct 03 15:10:06 GMT 2025