if_sn_obio.c revision 1.16
1 /* $NetBSD: if_sn_obio.c,v 1.16 1998/06/09 03:39:50 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_ether.h> 48 #endif 49 #endif 50 51 #include <machine/bus.h> 52 #include <machine/cpu.h> 53 #include <machine/viareg.h> 54 55 #include <mac68k/obio/obiovar.h> 56 #include <mac68k/dev/if_snreg.h> 57 #include <mac68k/dev/if_snvar.h> 58 59 #define SONIC_REG_BASE 0x50F0A000 60 #define SONIC_PROM_BASE 0x50F08000 61 62 static int sn_obio_match __P((struct device *, struct cfdata *, void *)); 63 static void sn_obio_attach __P((struct device *, struct device *, void *)); 64 static int sn_obio_getaddr __P((struct sn_softc *, u_int8_t *)); 65 static int sn_obio_getaddr_kludge __P((struct sn_softc *, u_int8_t *)); 66 67 struct cfattach sn_obio_ca = { 68 sizeof(struct sn_softc), sn_obio_match, sn_obio_attach 69 }; 70 71 static int 72 sn_obio_match(parent, cf, aux) 73 struct device *parent; 74 struct cfdata *cf; 75 void *aux; 76 { 77 struct obio_attach_args *oa = (struct obio_attach_args *)aux; 78 bus_space_handle_t bsh; 79 int found = 0; 80 81 if (!mac68k_machine.sonic) 82 return 0; 83 84 if (bus_space_map(oa->oa_tag, 85 SONIC_REG_BASE, SN_REGSIZE, 0, &bsh)) 86 return 0; 87 88 if (mac68k_bus_space_probe(oa->oa_tag, bsh, 0, 4)) 89 found = 1; 90 91 bus_space_unmap(oa->oa_tag, bsh, SN_REGSIZE); 92 93 return found; 94 } 95 96 /* 97 * Install interface into kernel networking data structures 98 */ 99 static void 100 sn_obio_attach(parent, self, aux) 101 struct device *parent, *self; 102 void *aux; 103 { 104 struct obio_attach_args *oa = (struct obio_attach_args *)aux; 105 struct sn_softc *sc = (void *)self; 106 u_int8_t myaddr[ETHER_ADDR_LEN]; 107 int i; 108 109 sc->snr_dcr = DCR_WAIT0 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 110 sc->snr_dcr2 = 0; 111 112 sc->slotno = 9; 113 114 switch (current_mac_model->machineid) { 115 case MACH_MACC610: 116 case MACH_MACC650: 117 case MACH_MACQ610: 118 case MACH_MACQ650: 119 case MACH_MACQ700: 120 case MACH_MACQ800: 121 case MACH_MACQ900: 122 case MACH_MACQ950: 123 sc->snr_dcr |= DCR_EXBUS; 124 sc->bitmode = 1; 125 break; 126 127 case MACH_MACLC575: 128 case MACH_MACP580: 129 case MACH_MACQ630: 130 break; 131 132 case MACH_MACPB500: 133 sc->snr_dcr |= DCR_SYNC | DCR_LBR; 134 sc->bitmode = 0; /* 16 bit interface */ 135 break; 136 137 default: 138 printf(": unsupported machine type\n"); 139 return; 140 } 141 142 sc->sc_regt = oa->oa_tag; 143 144 if (bus_space_map(sc->sc_regt, 145 SONIC_REG_BASE, SN_REGSIZE, 0, &sc->sc_regh)) { 146 printf(": failed to map space for SONIC regs.\n"); 147 return; 148 } 149 150 /* regs are addressed as words, big-endian. */ 151 for (i = 0; i < SN_NREGS; i++) { 152 sc->sc_reg_map[i] = (bus_size_t)((i * 4) + 2); 153 } 154 155 /* 156 * Kind of kludge this. Comm-slot cards do not really 157 * have a visible type, as far as I can tell at this time, 158 * so assume that MacOS had it properly configured and use 159 * that configuration. 160 */ 161 switch (current_mac_model->machineid) { 162 case MACH_MACLC575: 163 case MACH_MACP580: 164 case MACH_MACQ630: 165 NIC_PUT(sc, SNR_CR, CR_RST); wbflush(); 166 i = NIC_GET(sc, SNR_DCR); 167 sc->snr_dcr |= (i & 0xfff0); 168 sc->bitmode = (i & DCR_DW) ? 1 : 0; 169 break; 170 default: 171 break; 172 } 173 174 if (sn_obio_getaddr(sc, myaddr) && 175 sn_obio_getaddr_kludge(sc, myaddr)) { /* XXX kludge for PB */ 176 printf(": failed to get MAC address.\n"); 177 bus_space_unmap(sc->sc_regt, sc->sc_regh, SN_REGSIZE); 178 return; 179 } 180 181 /* snsetup returns 1 if something fails */ 182 if (snsetup(sc, myaddr)) { 183 bus_space_unmap(sc->sc_regt, sc->sc_regh, SN_REGSIZE); 184 return; 185 } 186 187 add_nubus_intr(sc->slotno, snintr, (void *)sc); 188 } 189 190 static int 191 sn_obio_getaddr(sc, lladdr) 192 struct sn_softc *sc; 193 u_int8_t *lladdr; 194 { 195 bus_space_handle_t bsh; 196 197 if (bus_space_map(sc->sc_regt, SONIC_PROM_BASE, NBPG, 0, &bsh)) { 198 printf(": failed to map space to read SONIC address.\n%s", 199 sc->sc_dev.dv_xname); 200 return (-1); 201 } 202 203 if (!mac68k_bus_space_probe(sc->sc_regt, bsh, 0, 1)) { 204 bus_space_unmap(sc->sc_regt, bsh, NBPG); 205 return (-1); 206 } 207 208 sn_get_enaddr(sc->sc_regt, bsh, 0, lladdr); 209 210 bus_space_unmap(sc->sc_regt, bsh, NBPG); 211 212 return 0; 213 } 214 215 /* 216 * Assume that the SONIC was initialized in MacOS. This should go away 217 * when we can properly get the MAC address on the PBs. 218 */ 219 static int 220 sn_obio_getaddr_kludge(sc, lladdr) 221 struct sn_softc *sc; 222 u_int8_t *lladdr; 223 { 224 int i, ors = 0; 225 226 /* Shut down NIC */ 227 NIC_PUT(sc, SNR_CR, CR_RST); 228 wbflush(); 229 230 NIC_PUT(sc, SNR_CEP, 15); /* For some reason, Apple fills top first. */ 231 wbflush(); 232 i = NIC_GET(sc, SNR_CAP2); 233 wbflush(); 234 235 ors |= i; 236 lladdr[5] = i >> 8; 237 lladdr[4] = i; 238 239 i = NIC_GET(sc, SNR_CAP1); 240 wbflush(); 241 242 ors |= i; 243 lladdr[3] = i >> 8; 244 lladdr[2] = i; 245 246 i = NIC_GET(sc, SNR_CAP0); 247 wbflush(); 248 249 ors |= i; 250 lladdr[1] = i >> 8; 251 lladdr[0] = i; 252 253 NIC_PUT(sc, SNR_CR, 0); 254 wbflush(); 255 256 if (ors == 0) 257 return -1; 258 259 return 0; 260 } 261
Indexes created Tue Sep 30 11:09:46 GMT 2025