if_sn_obio.c revision 1.22
1 /* $NetBSD: if_sn_obio.c,v 1.22 2003/04/02 00:44:28 thorpej 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 "opt_inet.h" 34 35 #include <sys/param.h> 36 #include <sys/device.h> 37 #include <sys/errno.h> 38 #include <sys/ioctl.h> 39 #include <sys/socket.h> 40 #include <sys/syslog.h> 41 #include <sys/systm.h> 42 43 #include <uvm/uvm_extern.h> 44 45 #include <net/if.h> 46 #include <net/if_ether.h> 47 48 #if 0 /* XXX this shouldn't be necessary... else reinsert */ 49 #ifdef INET 50 #include <netinet/in.h> 51 #include <netinet/if_ether.h> 52 #endif 53 #endif 54 55 #include <machine/bus.h> 56 #include <machine/cpu.h> 57 #include <machine/viareg.h> 58 59 #include <mac68k/obio/obiovar.h> 60 #include <mac68k/dev/if_snreg.h> 61 #include <mac68k/dev/if_snvar.h> 62 63 #define SONIC_REG_BASE 0x50F0A000 64 #define SONIC_PROM_BASE 0x50F08000 65 66 static int sn_obio_match __P((struct device *, struct cfdata *, void *)); 67 static void sn_obio_attach __P((struct device *, struct device *, void *)); 68 static int sn_obio_getaddr __P((struct sn_softc *, u_int8_t *)); 69 static int sn_obio_getaddr_kludge __P((struct sn_softc *, u_int8_t *)); 70 71 CFATTACH_DECL(sn_obio, sizeof(struct sn_softc), 72 sn_obio_match, sn_obio_attach, NULL, NULL); 73 74 static int 75 sn_obio_match(parent, cf, aux) 76 struct device *parent; 77 struct cfdata *cf; 78 void *aux; 79 { 80 struct obio_attach_args *oa = (struct obio_attach_args *)aux; 81 bus_space_handle_t bsh; 82 int found = 0; 83 84 if (!mac68k_machine.sonic) 85 return 0; 86 87 if (bus_space_map(oa->oa_tag, 88 SONIC_REG_BASE, SN_REGSIZE, 0, &bsh)) 89 return 0; 90 91 if (mac68k_bus_space_probe(oa->oa_tag, bsh, 0, 4)) 92 found = 1; 93 94 bus_space_unmap(oa->oa_tag, bsh, SN_REGSIZE); 95 96 return found; 97 } 98 99 /* 100 * Install interface into kernel networking data structures 101 */ 102 static void 103 sn_obio_attach(parent, self, aux) 104 struct device *parent, *self; 105 void *aux; 106 { 107 struct obio_attach_args *oa = (struct obio_attach_args *)aux; 108 struct sn_softc *sc = (void *)self; 109 u_int8_t myaddr[ETHER_ADDR_LEN]; 110 int i; 111 112 sc->snr_dcr = DCR_WAIT0 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 113 sc->snr_dcr2 = 0; 114 115 sc->slotno = 9; 116 117 switch (current_mac_model->machineid) { 118 case MACH_MACC610: 119 case MACH_MACC650: 120 case MACH_MACQ610: 121 case MACH_MACQ650: 122 case MACH_MACQ700: 123 case MACH_MACQ800: 124 case MACH_MACQ900: 125 case MACH_MACQ950: 126 sc->snr_dcr |= DCR_EXBUS; 127 sc->bitmode = 1; 128 break; 129 130 case MACH_MACLC575: 131 case MACH_MACP580: 132 case MACH_MACQ630: 133 break; 134 135 case MACH_MACPB500: 136 sc->snr_dcr |= DCR_SYNC | DCR_LBR; 137 sc->bitmode = 0; /* 16 bit interface */ 138 break; 139 140 default: 141 printf(": unsupported machine type\n"); 142 return; 143 } 144 145 sc->sc_regt = oa->oa_tag; 146 147 if (bus_space_map(sc->sc_regt, 148 SONIC_REG_BASE, SN_REGSIZE, 0, &sc->sc_regh)) { 149 printf(": failed to map space for SONIC regs.\n"); 150 return; 151 } 152 153 /* regs are addressed as words, big-endian. */ 154 for (i = 0; i < SN_NREGS; i++) { 155 sc->sc_reg_map[i] = (bus_size_t)((i * 4) + 2); 156 } 157 158 /* 159 * Kind of kludge this. Comm-slot cards do not really 160 * have a visible type, as far as I can tell at this time, 161 * so assume that MacOS had it properly configured and use 162 * that configuration. 163 */ 164 switch (current_mac_model->machineid) { 165 case MACH_MACLC575: 166 case MACH_MACP580: 167 case MACH_MACQ630: 168 NIC_PUT(sc, SNR_CR, CR_RST); wbflush(); 169 i = NIC_GET(sc, SNR_DCR); 170 sc->snr_dcr |= (i & 0xfff0); 171 sc->bitmode = (i & DCR_DW) ? 1 : 0; 172 break; 173 default: 174 break; 175 } 176 177 if (sn_obio_getaddr(sc, myaddr) && 178 sn_obio_getaddr_kludge(sc, myaddr)) { /* XXX kludge for PB */ 179 printf(": failed to get MAC address.\n"); 180 bus_space_unmap(sc->sc_regt, sc->sc_regh, SN_REGSIZE); 181 return; 182 } 183 184 printf(": integrated Ethernet adapter\n"); 185 186 /* snsetup returns 1 if something fails */ 187 if (snsetup(sc, myaddr)) { 188 bus_space_unmap(sc->sc_regt, sc->sc_regh, SN_REGSIZE); 189 return; 190 } 191 192 if (mac68k_machine.aux_interrupts) { 193 intr_establish((int (*)(void *))snintr, (void *)sc, 3); 194 } else { 195 add_nubus_intr(sc->slotno, snintr, (void *)sc); 196 } 197 } 198 199 static int 200 sn_obio_getaddr(sc, lladdr) 201 struct sn_softc *sc; 202 u_int8_t *lladdr; 203 { 204 bus_space_handle_t bsh; 205 206 if (bus_space_map(sc->sc_regt, SONIC_PROM_BASE, PAGE_SIZE, 0, &bsh)) { 207 printf(": failed to map space to read SONIC address.\n%s", 208 sc->sc_dev.dv_xname); 209 return (-1); 210 } 211 212 if (!mac68k_bus_space_probe(sc->sc_regt, bsh, 0, 1)) { 213 bus_space_unmap(sc->sc_regt, bsh, PAGE_SIZE); 214 return (-1); 215 } 216 217 sn_get_enaddr(sc->sc_regt, bsh, 0, lladdr); 218 219 bus_space_unmap(sc->sc_regt, bsh, PAGE_SIZE); 220 221 return 0; 222 } 223 224 /* 225 * Assume that the SONIC was initialized in MacOS. This should go away 226 * when we can properly get the MAC address on the PBs. 227 */ 228 static int 229 sn_obio_getaddr_kludge(sc, lladdr) 230 struct sn_softc *sc; 231 u_int8_t *lladdr; 232 { 233 int i, ors = 0; 234 235 /* Shut down NIC */ 236 NIC_PUT(sc, SNR_CR, CR_RST); 237 wbflush(); 238 239 NIC_PUT(sc, SNR_CEP, 15); /* For some reason, Apple fills top first. */ 240 wbflush(); 241 i = NIC_GET(sc, SNR_CAP2); 242 wbflush(); 243 244 ors |= i; 245 lladdr[5] = i >> 8; 246 lladdr[4] = i; 247 248 i = NIC_GET(sc, SNR_CAP1); 249 wbflush(); 250 251 ors |= i; 252 lladdr[3] = i >> 8; 253 lladdr[2] = i; 254 255 i = NIC_GET(sc, SNR_CAP0); 256 wbflush(); 257 258 ors |= i; 259 lladdr[1] = i >> 8; 260 lladdr[0] = i; 261 262 NIC_PUT(sc, SNR_CR, 0); 263 wbflush(); 264 265 if (ors == 0) 266 return -1; 267 268 return 0; 269 } 270
Indexes created Tue Sep 30 20:09:53 GMT 2025