if_sn_nubus.c revision 1.1
1 /* $NetBSD: if_sn_nubus.c,v 1.1 1997/03/15 20:26:37 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 43 #ifdef INET 44 #include <netinet/in.h> 45 #include <netinet/if_ether.h> 46 #endif 47 48 #include <machine/bus.h> 49 #include <machine/viareg.h> 50 51 #include "nubus.h" 52 #include "if_aereg.h" /* For AE_VENDOR values */ 53 #include "if_snreg.h" 54 #include "if_snvar.h" 55 56 static int sn_nubus_match __P((struct device *, struct cfdata *, void *)); 57 static void sn_nubus_attach __P((struct device *, struct device *, void *)); 58 static int sn_nb_card_vendor __P((struct nubus_attach_args *)); 59 60 void snsetup __P((struct sn_softc *)); 61 62 struct cfattach sn_nubus_ca = { 63 sizeof(struct sn_softc), sn_nubus_match, sn_nubus_attach 64 }; 65 66 static int 67 sn_nubus_match(parent, cf, aux) 68 struct device *parent; 69 struct cfdata *cf; 70 void *aux; 71 { 72 struct nubus_attach_args *na = (struct nubus_attach_args *) aux; 73 bus_space_handle_t bsh; 74 int rv; 75 76 if (bus_space_map(na->na_tag, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 77 0, &bsh)) 78 return (0); 79 80 rv = 0; 81 82 if (na->category == NUBUS_CATEGORY_NETWORK && 83 na->type == NUBUS_TYPE_ETHERNET) { 84 switch (sn_nb_card_vendor(na)) { 85 default: 86 break; 87 88 /* This is it for now... */ 89 case AE_VENDOR_DAYNA: 90 rv = 1; 91 break; 92 } 93 } 94 95 bus_space_unmap(na->na_tag, bsh, NBMEMSIZE); 96 97 return rv; 98 } 99 100 /* 101 * Install interface into kernel networking data structures 102 */ 103 static void 104 sn_nubus_attach(parent, self, aux) 105 struct device *parent, *self; 106 void *aux; 107 { 108 struct sn_softc *sc = (void *)self; 109 struct nubus_attach_args *na = (struct nubus_attach_args *)aux; 110 int i, success; 111 bus_space_tag_t bst; 112 bus_space_handle_t bsh, tmp_bsh; 113 114 bst = na->na_tag; 115 if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) { 116 printf(": failed to map memory space.\n"); 117 return; 118 } 119 120 sc->sc_regt = bst; 121 sc->bitmode = 1; 122 123 success = 0; 124 125 sc->bitmode = 1; /* 32-bit card */ 126 sc->slotno = na->slot; 127 128 switch (sn_nb_card_vendor(na)) { 129 case AE_VENDOR_DAYNA: 130 sc->s_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_USR1 | 131 DCR_DW32 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 132 133 if (bus_space_subregion(bst, bsh, 0x00180000, SN_REGSIZE, 134 &sc->sc_regh)) { 135 printf(": failed to map register space.\n"); 136 break; 137 } 138 139 if (bus_space_subregion(bst, bsh, 0x00ffe004, ETHER_ADDR_LEN, 140 &tmp_bsh)) { 141 printf(": failed to map ROM space.\n"); 142 break; 143 } 144 145 /* 146 * Copy out the ethernet address from the card's ROM 147 */ 148 for (i = 0; i < ETHER_ADDR_LEN; ++i) 149 sc->sc_arpcom.ac_enaddr[i] = 150 bus_space_read_1(bst, tmp_bsh, i); 151 152 success = 1; 153 break; 154 155 default: 156 /* 157 * You can't actually get this default, the snmatch 158 * will fail for unknown hardware. If you're adding support 159 * for a new card, the following defaults are a 160 * good starting point. 161 */ 162 sc->s_dcr = DCR_LBR | DCR_SYNC | DCR_WAIT0 | 163 DCR_DW32 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 164 return; 165 } 166 167 if (!success) { 168 bus_space_unmap(bst, bsh, NBMEMSIZE); 169 return; 170 } 171 172 snsetup(sc); 173 } 174 175 static int 176 sn_nb_card_vendor(na) 177 struct nubus_attach_args *na; 178 { 179 int vendor; 180 181 switch (na->drsw) { 182 case NUBUS_DRSW_3COM: 183 case NUBUS_DRSW_APPLE: 184 case NUBUS_DRSW_TECHWORKS: 185 vendor = AE_VENDOR_APPLE; 186 break; 187 case NUBUS_DRSW_ASANTE: 188 vendor = AE_VENDOR_ASANTE; 189 break; 190 case NUBUS_DRSW_FARALLON: 191 vendor = AE_VENDOR_FARALLON; 192 break; 193 case NUBUS_DRSW_FOCUS: 194 vendor = AE_VENDOR_FOCUS; 195 break; 196 case NUBUS_DRSW_GATOR: 197 switch (na->drhw) { 198 default: 199 case NUBUS_DRHW_INTERLAN: 200 vendor = AE_VENDOR_INTERLAN; 201 break; 202 case NUBUS_DRHW_KINETICS: 203 if (strncmp( 204 nubus_get_card_name(na->fmt), "EtherPort", 9) == 0) 205 vendor = AE_VENDOR_KINETICS; 206 else 207 vendor = AE_VENDOR_DAYNA; 208 break; 209 } 210 break; 211 default: 212 #ifdef DIAGNOSTIC 213 printf("Unknown ethernet drsw: %x\n", na->drsw); 214 #endif 215 vendor = AE_VENDOR_UNKNOWN; 216 } 217 return vendor; 218 } 219
Indexes created Fri Oct 03 17:10:05 GMT 2025