if_sn_obio.c revision 1.23
1 /* $NetBSD: if_sn_obio.c,v 1.23 2003/07/15 02:43:25 lukem 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/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: if_sn_obio.c,v 1.23 2003/07/15 02:43:25 lukem Exp $"); 35 36 #include "opt_inet.h" 37 38 #include <sys/param.h> 39 #include <sys/device.h> 40 #include <sys/errno.h> 41 #include <sys/ioctl.h> 42 #include <sys/socket.h> 43 #include <sys/syslog.h> 44 #include <sys/systm.h> 45 46 #include <uvm/uvm_extern.h> 47 48 #include <net/if.h> 49 #include <net/if_ether.h> 50 51 #if 0 /* XXX this shouldn't be necessary... else reinsert */ 52 #ifdef INET 53 #include <netinet/in.h> 54 #include <netinet/if_ether.h> 55 #endif 56 #endif 57 58 #include <machine/bus.h> 59 #include <machine/cpu.h> 60 #include <machine/viareg.h> 61 62 #include <mac68k/obio/obiovar.h> 63 #include <mac68k/dev/if_snreg.h> 64 #include <mac68k/dev/if_snvar.h> 65 66 #define SONIC_REG_BASE 0x50F0A000 67 #define SONIC_PROM_BASE 0x50F08000 68 69 static int sn_obio_match __P((struct device *, struct cfdata *, void *)); 70 static void sn_obio_attach __P((struct device *, struct device *, void *)); 71 static int sn_obio_getaddr __P((struct sn_softc *, u_int8_t *)); 72 static int sn_obio_getaddr_kludge __P((struct sn_softc *, u_int8_t *)); 73 74 CFATTACH_DECL(sn_obio, sizeof(struct sn_softc), 75 sn_obio_match, sn_obio_attach, NULL, NULL); 76 77 static int 78 sn_obio_match(parent, cf, aux) 79 struct device *parent; 80 struct cfdata *cf; 81 void *aux; 82 { 83 struct obio_attach_args *oa = (struct obio_attach_args *)aux; 84 bus_space_handle_t bsh; 85 int found = 0; 86 87 if (!mac68k_machine.sonic) 88 return 0; 89 90 if (bus_space_map(oa->oa_tag, 91 SONIC_REG_BASE, SN_REGSIZE, 0, &bsh)) 92 return 0; 93 94 if (mac68k_bus_space_probe(oa->oa_tag, bsh, 0, 4)) 95 found = 1; 96 97 bus_space_unmap(oa->oa_tag, bsh, SN_REGSIZE); 98 99 return found; 100 } 101 102 /* 103 * Install interface into kernel networking data structures 104 */ 105 static void 106 sn_obio_attach(parent, self, aux) 107 struct device *parent, *self; 108 void *aux; 109 { 110 struct obio_attach_args *oa = (struct obio_attach_args *)aux; 111 struct sn_softc *sc = (void *)self; 112 u_int8_t myaddr[ETHER_ADDR_LEN]; 113 int i; 114 115 sc->snr_dcr = DCR_WAIT0 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 116 sc->snr_dcr2 = 0; 117 118 sc->slotno = 9; 119 120 switch (current_mac_model->machineid) { 121 case MACH_MACC610: 122 case MACH_MACC650: 123 case MACH_MACQ610: 124 case MACH_MACQ650: 125 case MACH_MACQ700: 126 case MACH_MACQ800: 127 case MACH_MACQ900: 128 case MACH_MACQ950: 129 sc->snr_dcr |= DCR_EXBUS; 130 sc->bitmode = 1; 131 break; 132 133 case MACH_MACLC575: 134 case MACH_MACP580: 135 case MACH_MACQ630: 136 break; 137 138 case MACH_MACPB500: 139 sc->snr_dcr |= DCR_SYNC | DCR_LBR; 140 sc->bitmode = 0; /* 16 bit interface */ 141 break; 142 143 default: 144 printf(": unsupported machine type\n"); 145 return; 146 } 147 148 sc->sc_regt = oa->oa_tag; 149 150 if (bus_space_map(sc->sc_regt, 151 SONIC_REG_BASE, SN_REGSIZE, 0, &sc->sc_regh)) { 152 printf(": failed to map space for SONIC regs.\n"); 153 return; 154 } 155 156 /* regs are addressed as words, big-endian. */ 157 for (i = 0; i < SN_NREGS; i++) { 158 sc->sc_reg_map[i] = (bus_size_t)((i * 4) + 2); 159 } 160 161 /* 162 * Kind of kludge this. Comm-slot cards do not really 163 * have a visible type, as far as I can tell at this time, 164 * so assume that MacOS had it properly configured and use 165 * that configuration. 166 */ 167 switch (current_mac_model->machineid) { 168 case MACH_MACLC575: 169 case MACH_MACP580: 170 case MACH_MACQ630: 171 NIC_PUT(sc, SNR_CR, CR_RST); wbflush(); 172 i = NIC_GET(sc, SNR_DCR); 173 sc->snr_dcr |= (i & 0xfff0); 174 sc->bitmode = (i & DCR_DW) ? 1 : 0; 175 break; 176 default: 177 break; 178 } 179 180 if (sn_obio_getaddr(sc, myaddr) && 181 sn_obio_getaddr_kludge(sc, myaddr)) { /* XXX kludge for PB */ 182 printf(": failed to get MAC address.\n"); 183 bus_space_unmap(sc->sc_regt, sc->sc_regh, SN_REGSIZE); 184 return; 185 } 186 187 printf(": integrated Ethernet adapter\n"); 188 189 /* snsetup returns 1 if something fails */ 190 if (snsetup(sc, myaddr)) { 191 bus_space_unmap(sc->sc_regt, sc->sc_regh, SN_REGSIZE); 192 return; 193 } 194 195 if (mac68k_machine.aux_interrupts) { 196 intr_establish((int (*)(void *))snintr, (void *)sc, 3); 197 } else { 198 add_nubus_intr(sc->slotno, snintr, (void *)sc); 199 } 200 } 201 202 static int 203 sn_obio_getaddr(sc, lladdr) 204 struct sn_softc *sc; 205 u_int8_t *lladdr; 206 { 207 bus_space_handle_t bsh; 208 209 if (bus_space_map(sc->sc_regt, SONIC_PROM_BASE, PAGE_SIZE, 0, &bsh)) { 210 printf(": failed to map space to read SONIC address.\n%s", 211 sc->sc_dev.dv_xname); 212 return (-1); 213 } 214 215 if (!mac68k_bus_space_probe(sc->sc_regt, bsh, 0, 1)) { 216 bus_space_unmap(sc->sc_regt, bsh, PAGE_SIZE); 217 return (-1); 218 } 219 220 sn_get_enaddr(sc->sc_regt, bsh, 0, lladdr); 221 222 bus_space_unmap(sc->sc_regt, bsh, PAGE_SIZE); 223 224 return 0; 225 } 226 227 /* 228 * Assume that the SONIC was initialized in MacOS. This should go away 229 * when we can properly get the MAC address on the PBs. 230 */ 231 static int 232 sn_obio_getaddr_kludge(sc, lladdr) 233 struct sn_softc *sc; 234 u_int8_t *lladdr; 235 { 236 int i, ors = 0; 237 238 /* Shut down NIC */ 239 NIC_PUT(sc, SNR_CR, CR_RST); 240 wbflush(); 241 242 NIC_PUT(sc, SNR_CEP, 15); /* For some reason, Apple fills top first. */ 243 wbflush(); 244 i = NIC_GET(sc, SNR_CAP2); 245 wbflush(); 246 247 ors |= i; 248 lladdr[5] = i >> 8; 249 lladdr[4] = i; 250 251 i = NIC_GET(sc, SNR_CAP1); 252 wbflush(); 253 254 ors |= i; 255 lladdr[3] = i >> 8; 256 lladdr[2] = i; 257 258 i = NIC_GET(sc, SNR_CAP0); 259 wbflush(); 260 261 ors |= i; 262 lladdr[1] = i >> 8; 263 lladdr[0] = i; 264 265 NIC_PUT(sc, SNR_CR, 0); 266 wbflush(); 267 268 if (ors == 0) 269 return -1; 270 271 return 0; 272 } 273
Indexes created Tue Sep 30 10:09:55 GMT 2025