1 /* 2 * macsonic.c 3 * 4 * (C) 2005 Finn Thain 5 * 6 * Converted to DMA API, converted to unified driver model, made it work as 7 * a module again, and from the mac68k project, introduced more 32-bit cards 8 * and dhd's support for 16-bit cards. 9 * 10 * (C) 1998 Alan Cox 11 * 12 * Debugging Andreas Ehliar, Michael Schmitz 13 * 14 * Based on code 15 * (C) 1996 by Thomas Bogendoerfer (tsbogend@bigbug.franken.de) 16 * 17 * This driver is based on work from Andreas Busse, but most of 18 * the code is rewritten. 19 * 20 * (C) 1995 by Andreas Busse (andy@waldorf-gmbh.de) 21 * 22 * A driver for the Mac onboard Sonic ethernet chip. 23 * 24 * 98/12/21 MSch: judged from tests on Q800, it's basically working, 25 * but eating up both receive and transmit resources 26 * and duplicating packets. Needs more testing. 27 * 28 * 99/01/03 MSch: upgraded to version 0.92 of the core driver, fixed. 29 * 30 * 00/10/31 sammy@oh.verio.com: Updated driver for 2.4 kernels, fixed problems 31 * on centris. 32 */ 33 34 #include <linux/kernel.h> 35 #include <linux/module.h> 36 #include <linux/types.h> 37 #include <linux/fcntl.h> 38 #include <linux/gfp.h> 39 #include <linux/interrupt.h> 40 #include <linux/init.h> 41 #include <linux/ioport.h> 42 #include <linux/in.h> 43 #include <linux/string.h> 44 #include <linux/delay.h> 45 #include <linux/nubus.h> 46 #include <linux/errno.h> 47 #include <linux/netdevice.h> 48 #include <linux/etherdevice.h> 49 #include <linux/skbuff.h> 50 #include <linux/platform_device.h> 51 #include <linux/dma-mapping.h> 52 #include <linux/bitrev.h> 53 #include <linux/slab.h> 54 55 #include <asm/bootinfo.h> 56 #include <asm/pgtable.h> 57 #include <asm/io.h> 58 #include <asm/hwtest.h> 59 #include <asm/dma.h> 60 #include <asm/macintosh.h> 61 #include <asm/macints.h> 62 #include <asm/mac_via.h> 63 64 static char mac_sonic_string[] = "macsonic"; 65 66 #include "sonic.h" 67 68 /* These should basically be bus-size and endian independent (since 69 the SONIC is at least smart enough that it uses the same endianness 70 as the host, unlike certain less enlightened Macintosh NICs) */ 71 #define SONIC_READ(reg) (nubus_readw(dev->base_addr + (reg * 4) \ 72 + lp->reg_offset)) 73 #define SONIC_WRITE(reg,val) (nubus_writew(val, dev->base_addr + (reg * 4) \ 74 + lp->reg_offset)) 75 76 /* use 0 for production, 1 for verification, >1 for debug */ 77 #ifdef SONIC_DEBUG 78 static unsigned int sonic_debug = SONIC_DEBUG; 79 #else 80 static unsigned int sonic_debug = 1; 81 #endif 82 83 static int sonic_version_printed; 84 85 /* For onboard SONIC */ 86 #define ONBOARD_SONIC_REGISTERS 0x50F0A000 87 #define ONBOARD_SONIC_PROM_BASE 0x50f08000 88 89 enum macsonic_type { 90 MACSONIC_DUODOCK, 91 MACSONIC_APPLE, 92 MACSONIC_APPLE16, 93 MACSONIC_DAYNA, 94 MACSONIC_DAYNALINK 95 }; 96 97 /* For the built-in SONIC in the Duo Dock */ 98 #define DUODOCK_SONIC_REGISTERS 0xe10000 99 #define DUODOCK_SONIC_PROM_BASE 0xe12000 100 101 /* For Apple-style NuBus SONIC */ 102 #define APPLE_SONIC_REGISTERS 0 103 #define APPLE_SONIC_PROM_BASE 0x40000 104 105 /* Daynalink LC SONIC */ 106 #define DAYNALINK_PROM_BASE 0x400000 107 108 /* For Dayna-style NuBus SONIC (haven't seen one yet) */ 109 #define DAYNA_SONIC_REGISTERS 0x180000 110 /* This is what OpenBSD says. However, this is definitely in NuBus 111 ROM space so we should be able to get it by walking the NuBus 112 resource directories */ 113 #define DAYNA_SONIC_MAC_ADDR 0xffe004 114 115 #define SONIC_READ_PROM(addr) nubus_readb(prom_addr+addr) 116 117 /* 118 * For reversing the PROM address 119 */ 120 121 static inline void bit_reverse_addr(unsigned char addr[6]) 122 { 123 int i; 124 125 for(i = 0; i < 6; i++) 126 addr[i] = bitrev8(addr[i]); 127 } 128 129 static irqreturn_t macsonic_interrupt(int irq, void *dev_id) 130 { 131 irqreturn_t result; 132 unsigned long flags; 133 134 local_irq_save(flags); 135 result = sonic_interrupt(irq, dev_id); 136 local_irq_restore(flags); 137 return result; 138 } 139 140 static int macsonic_open(struct net_device* dev) 141 { 142 int retval; 143 144 retval = request_irq(dev->irq, sonic_interrupt, 0, "sonic", dev); 145 if (retval) { 146 printk(KERN_ERR "%s: unable to get IRQ %d.\n", 147 dev->name, dev->irq); 148 goto err; 149 } 150 /* Under the A/UX interrupt scheme, the onboard SONIC interrupt comes 151 * in at priority level 3. However, we sometimes get the level 2 inter- 152 * rupt as well, which must prevent re-entrance of the sonic handler. 153 */ 154 if (dev->irq == IRQ_AUTO_3) { 155 retval = request_irq(IRQ_NUBUS_9, macsonic_interrupt, 0, 156 "sonic", dev); 157 if (retval) { 158 printk(KERN_ERR "%s: unable to get IRQ %d.\n", 159 dev->name, IRQ_NUBUS_9); 160 goto err_irq; 161 } 162 } 163 retval = sonic_open(dev); 164 if (retval) 165 goto err_irq_nubus; 166 return 0; 167 168 err_irq_nubus: 169 if (dev->irq == IRQ_AUTO_3) 170 free_irq(IRQ_NUBUS_9, dev); 171 err_irq: 172 free_irq(dev->irq, dev); 173 err: 174 return retval; 175 } 176 177 static int macsonic_close(struct net_device* dev) 178 { 179 int err; 180 err = sonic_close(dev); 181 free_irq(dev->irq, dev); 182 if (dev->irq == IRQ_AUTO_3) 183 free_irq(IRQ_NUBUS_9, dev); 184 return err; 185 } 186 187 static const struct net_device_ops macsonic_netdev_ops = { 188 .ndo_open = macsonic_open, 189 .ndo_stop = macsonic_close, 190 .ndo_start_xmit = sonic_send_packet, 191 .ndo_set_rx_mode = sonic_multicast_list, 192 .ndo_tx_timeout = sonic_tx_timeout, 193 .ndo_get_stats = sonic_get_stats, 194 .ndo_validate_addr = eth_validate_addr, 195 .ndo_change_mtu = eth_change_mtu, 196 .ndo_set_mac_address = eth_mac_addr, 197 }; 198 199 static int __devinit macsonic_init(struct net_device *dev) 200 { 201 struct sonic_local* lp = netdev_priv(dev); 202 203 /* Allocate the entire chunk of memory for the descriptors. 204 Note that this cannot cross a 64K boundary. */ 205 if ((lp->descriptors = dma_alloc_coherent(lp->device, 206 SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), 207 &lp->descriptors_laddr, GFP_KERNEL)) == NULL) { 208 printk(KERN_ERR "%s: couldn't alloc DMA memory for descriptors.\n", 209 dev_name(lp->device)); 210 return -ENOMEM; 211 } 212 213 /* Now set up the pointers to point to the appropriate places */ 214 lp->cda = lp->descriptors; 215 lp->tda = lp->cda + (SIZEOF_SONIC_CDA 216 * SONIC_BUS_SCALE(lp->dma_bitmode)); 217 lp->rda = lp->tda + (SIZEOF_SONIC_TD * SONIC_NUM_TDS 218 * SONIC_BUS_SCALE(lp->dma_bitmode)); 219 lp->rra = lp->rda + (SIZEOF_SONIC_RD * SONIC_NUM_RDS 220 * SONIC_BUS_SCALE(lp->dma_bitmode)); 221 222 lp->cda_laddr = lp->descriptors_laddr; 223 lp->tda_laddr = lp->cda_laddr + (SIZEOF_SONIC_CDA 224 * SONIC_BUS_SCALE(lp->dma_bitmode)); 225 lp->rda_laddr = lp->tda_laddr + (SIZEOF_SONIC_TD * SONIC_NUM_TDS 226 * SONIC_BUS_SCALE(lp->dma_bitmode)); 227 lp->rra_laddr = lp->rda_laddr + (SIZEOF_SONIC_RD * SONIC_NUM_RDS 228 * SONIC_BUS_SCALE(lp->dma_bitmode)); 229 230 dev->netdev_ops = &macsonic_netdev_ops; 231 dev->watchdog_timeo = TX_TIMEOUT; 232 233 /* 234 * clear tally counter 235 */ 236 SONIC_WRITE(SONIC_CRCT, 0xffff); 237 SONIC_WRITE(SONIC_FAET, 0xffff); 238 SONIC_WRITE(SONIC_MPT, 0xffff); 239 240 return 0; 241 } 242 243 #define INVALID_MAC(mac) (memcmp(mac, "\x08\x00\x07", 3) && \ 244 memcmp(mac, "\x00\xA0\x40", 3) && \ 245 memcmp(mac, "\x00\x80\x19", 3) && \ 246 memcmp(mac, "\x00\x05\x02", 3)) 247 248 static void __devinit mac_onboard_sonic_ethernet_addr(struct net_device *dev) 249 { 250 struct sonic_local *lp = netdev_priv(dev); 251 const int prom_addr = ONBOARD_SONIC_PROM_BASE; 252 unsigned short val; 253 254 /* 255 * On NuBus boards we can sometimes look in the ROM resources. 256 * No such luck for comm-slot/onboard. 257 * On the PowerBook 520, the PROM base address is a mystery. 258 */ 259 if (hwreg_present((void *)prom_addr)) { 260 int i; 261 262 for (i = 0; i < 6; i++) 263 dev->dev_addr[i] = SONIC_READ_PROM(i); 264 if (!INVALID_MAC(dev->dev_addr)) 265 return; 266 267 /* 268 * Most of the time, the address is bit-reversed. The NetBSD 269 * source has a rather long and detailed historical account of 270 * why this is so. 271 */ 272 bit_reverse_addr(dev->dev_addr); 273 if (!INVALID_MAC(dev->dev_addr)) 274 return; 275 276 /* 277 * If we still have what seems to be a bogus address, we'll 278 * look in the CAM. The top entry should be ours. 279 */ 280 printk(KERN_WARNING "macsonic: MAC address in PROM seems " 281 "to be invalid, trying CAM\n"); 282 } else { 283 printk(KERN_WARNING "macsonic: cannot read MAC address from " 284 "PROM, trying CAM\n"); 285 } 286 287 /* This only works if MacOS has already initialized the card. */ 288 289 SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); 290 SONIC_WRITE(SONIC_CEP, 15); 291 292 val = SONIC_READ(SONIC_CAP2); 293 dev->dev_addr[5] = val >> 8; 294 dev->dev_addr[4] = val & 0xff; 295 val = SONIC_READ(SONIC_CAP1); 296 dev->dev_addr[3] = val >> 8; 297 dev->dev_addr[2] = val & 0xff; 298 val = SONIC_READ(SONIC_CAP0); 299 dev->dev_addr[1] = val >> 8; 300 dev->dev_addr[0] = val & 0xff; 301 302 if (!INVALID_MAC(dev->dev_addr)) 303 return; 304 305 /* Still nonsense ... messed up someplace! */ 306 307 printk(KERN_WARNING "macsonic: MAC address in CAM entry 15 " 308 "seems invalid, will use a random MAC\n"); 309 eth_hw_addr_random(dev); 310 } 311 312 static int __devinit mac_onboard_sonic_probe(struct net_device *dev) 313 { 314 struct sonic_local* lp = netdev_priv(dev); 315 int sr; 316 int commslot = 0; 317 318 if (!MACH_IS_MAC) 319 return -ENODEV; 320 321 printk(KERN_INFO "Checking for internal Macintosh ethernet (SONIC).. "); 322 323 /* Bogus probing, on the models which may or may not have 324 Ethernet (BTW, the Ethernet *is* always at the same 325 address, and nothing else lives there, at least if Apple's 326 documentation is to be believed) */ 327 if (macintosh_config->ident == MAC_MODEL_Q630 || 328 macintosh_config->ident == MAC_MODEL_P588 || 329 macintosh_config->ident == MAC_MODEL_P575 || 330 macintosh_config->ident == MAC_MODEL_C610) { 331 unsigned long flags; 332 int card_present; 333 334 local_irq_save(flags); 335 card_present = hwreg_present((void*)ONBOARD_SONIC_REGISTERS); 336 local_irq_restore(flags); 337 338 if (!card_present) { 339 printk("none.\n"); 340 return -ENODEV; 341 } 342 commslot = 1; 343 } 344 345 printk("yes\n"); 346 347 /* Danger! My arms are flailing wildly! You *must* set lp->reg_offset 348 * and dev->base_addr before using SONIC_READ() or SONIC_WRITE() */ 349 dev->base_addr = ONBOARD_SONIC_REGISTERS; 350 if (via_alt_mapping) 351 dev->irq = IRQ_AUTO_3; 352 else 353 dev->irq = IRQ_NUBUS_9; 354 355 if (!sonic_version_printed) { 356 printk(KERN_INFO "%s", version); 357 sonic_version_printed = 1; 358 } 359 printk(KERN_INFO "%s: onboard / comm-slot SONIC at 0x%08lx\n", 360 dev_name(lp->device), dev->base_addr); 361 362 /* The PowerBook's SONIC is 16 bit always. */ 363 if (macintosh_config->ident == MAC_MODEL_PB520) { 364 lp->reg_offset = 0; 365 lp->dma_bitmode = SONIC_BITMODE16; 366 sr = SONIC_READ(SONIC_SR); 367 } else if (commslot) { 368 /* Some of the comm-slot cards are 16 bit. But some 369 of them are not. The 32-bit cards use offset 2 and 370 have known revisions, we try reading the revision 371 register at offset 2, if we don't get a known revision 372 we assume 16 bit at offset 0. */ 373 lp->reg_offset = 2; 374 lp->dma_bitmode = SONIC_BITMODE16; 375 376 sr = SONIC_READ(SONIC_SR); 377 if (sr == 0x0004 || sr == 0x0006 || sr == 0x0100 || sr == 0x0101) 378 /* 83932 is 0x0004 or 0x0006, 83934 is 0x0100 or 0x0101 */ 379 lp->dma_bitmode = SONIC_BITMODE32; 380 else { 381 lp->dma_bitmode = SONIC_BITMODE16; 382 lp->reg_offset = 0; 383 sr = SONIC_READ(SONIC_SR); 384 } 385 } else { 386 /* All onboard cards are at offset 2 with 32 bit DMA. */ 387 lp->reg_offset = 2; 388 lp->dma_bitmode = SONIC_BITMODE32; 389 sr = SONIC_READ(SONIC_SR); 390 } 391 printk(KERN_INFO 392 "%s: revision 0x%04x, using %d bit DMA and register offset %d\n", 393 dev_name(lp->device), sr, lp->dma_bitmode?32:16, lp->reg_offset); 394 395 #if 0 /* This is sometimes useful to find out how MacOS configured the card. */ 396 printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", dev_name(lp->device), 397 SONIC_READ(SONIC_DCR) & 0xffff, SONIC_READ(SONIC_DCR2) & 0xffff); 398 #endif 399 400 /* Software reset, then initialize control registers. */ 401 SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); 402 403 SONIC_WRITE(SONIC_DCR, SONIC_DCR_EXBUS | SONIC_DCR_BMS | 404 SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | 405 (lp->dma_bitmode ? SONIC_DCR_DW : 0)); 406 407 /* This *must* be written back to in order to restore the 408 * extended programmable output bits, as it may not have been 409 * initialised since the hardware reset. */ 410 SONIC_WRITE(SONIC_DCR2, 0); 411 412 /* Clear *and* disable interrupts to be on the safe side */ 413 SONIC_WRITE(SONIC_IMR, 0); 414 SONIC_WRITE(SONIC_ISR, 0x7fff); 415 416 /* Now look for the MAC address. */ 417 mac_onboard_sonic_ethernet_addr(dev); 418 419 /* Shared init code */ 420 return macsonic_init(dev); 421 } 422 423 static int __devinit mac_nubus_sonic_ethernet_addr(struct net_device *dev, 424 unsigned long prom_addr, 425 int id) 426 { 427 int i; 428 for(i = 0; i < 6; i++) 429 dev->dev_addr[i] = SONIC_READ_PROM(i); 430 431 /* Some of the addresses are bit-reversed */ 432 if (id != MACSONIC_DAYNA) 433 bit_reverse_addr(dev->dev_addr); 434 435 return 0; 436 } 437 438 static int __devinit macsonic_ident(struct nubus_dev *ndev) 439 { 440 if (ndev->dr_hw == NUBUS_DRHW_ASANTE_LC && 441 ndev->dr_sw == NUBUS_DRSW_SONIC_LC) 442 return MACSONIC_DAYNALINK; 443 if (ndev->dr_hw == NUBUS_DRHW_SONIC && 444 ndev->dr_sw == NUBUS_DRSW_APPLE) { 445 /* There has to be a better way to do this... */ 446 if (strstr(ndev->board->name, "DuoDock")) 447 return MACSONIC_DUODOCK; 448 else 449 return MACSONIC_APPLE; 450 } 451 452 if (ndev->dr_hw == NUBUS_DRHW_SMC9194 && 453 ndev->dr_sw == NUBUS_DRSW_DAYNA) 454 return MACSONIC_DAYNA; 455 456 if (ndev->dr_hw == NUBUS_DRHW_APPLE_SONIC_LC && 457 ndev->dr_sw == 0) { /* huh? */ 458 return MACSONIC_APPLE16; 459 } 460 return -1; 461 } 462 463 static int __devinit mac_nubus_sonic_probe(struct net_device *dev) 464 { 465 static int slots; 466 struct nubus_dev* ndev = NULL; 467 struct sonic_local* lp = netdev_priv(dev); 468 unsigned long base_addr, prom_addr; 469 u16 sonic_dcr; 470 int id = -1; 471 int reg_offset, dma_bitmode; 472 473 /* Find the first SONIC that hasn't been initialized already */ 474 while ((ndev = nubus_find_type(NUBUS_CAT_NETWORK, 475 NUBUS_TYPE_ETHERNET, ndev)) != NULL) 476 { 477 /* Have we seen it already? */ 478 if (slots & (1<<ndev->board->slot)) 479 continue; 480 slots |= 1<<ndev->board->slot; 481 482 /* Is it one of ours? */ 483 if ((id = macsonic_ident(ndev)) != -1) 484 break; 485 } 486 487 if (ndev == NULL) 488 return -ENODEV; 489 490 switch (id) { 491 case MACSONIC_DUODOCK: 492 base_addr = ndev->board->slot_addr + DUODOCK_SONIC_REGISTERS; 493 prom_addr = ndev->board->slot_addr + DUODOCK_SONIC_PROM_BASE; 494 sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT0 | SONIC_DCR_RFT1 | 495 SONIC_DCR_TFT0; 496 reg_offset = 2; 497 dma_bitmode = SONIC_BITMODE32; 498 break; 499 case MACSONIC_APPLE: 500 base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; 501 prom_addr = ndev->board->slot_addr + APPLE_SONIC_PROM_BASE; 502 sonic_dcr = SONIC_DCR_BMS | SONIC_DCR_RFT1 | SONIC_DCR_TFT0; 503 reg_offset = 0; 504 dma_bitmode = SONIC_BITMODE32; 505 break; 506 case MACSONIC_APPLE16: 507 base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; 508 prom_addr = ndev->board->slot_addr + APPLE_SONIC_PROM_BASE; 509 sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | 510 SONIC_DCR_PO1 | SONIC_DCR_BMS; 511 reg_offset = 0; 512 dma_bitmode = SONIC_BITMODE16; 513 break; 514 case MACSONIC_DAYNALINK: 515 base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; 516 prom_addr = ndev->board->slot_addr + DAYNALINK_PROM_BASE; 517 sonic_dcr = SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | 518 SONIC_DCR_PO1 | SONIC_DCR_BMS; 519 reg_offset = 0; 520 dma_bitmode = SONIC_BITMODE16; 521 break; 522 case MACSONIC_DAYNA: 523 base_addr = ndev->board->slot_addr + DAYNA_SONIC_REGISTERS; 524 prom_addr = ndev->board->slot_addr + DAYNA_SONIC_MAC_ADDR; 525 sonic_dcr = SONIC_DCR_BMS | 526 SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | SONIC_DCR_PO1; 527 reg_offset = 0; 528 dma_bitmode = SONIC_BITMODE16; 529 break; 530 default: 531 printk(KERN_ERR "macsonic: WTF, id is %d\n", id); 532 return -ENODEV; 533 } 534 535 /* Danger! My arms are flailing wildly! You *must* set lp->reg_offset 536 * and dev->base_addr before using SONIC_READ() or SONIC_WRITE() */ 537 dev->base_addr = base_addr; 538 lp->reg_offset = reg_offset; 539 lp->dma_bitmode = dma_bitmode; 540 dev->irq = SLOT2IRQ(ndev->board->slot); 541 542 if (!sonic_version_printed) { 543 printk(KERN_INFO "%s", version); 544 sonic_version_printed = 1; 545 } 546 printk(KERN_INFO "%s: %s in slot %X\n", 547 dev_name(lp->device), ndev->board->name, ndev->board->slot); 548 printk(KERN_INFO "%s: revision 0x%04x, using %d bit DMA and register offset %d\n", 549 dev_name(lp->device), SONIC_READ(SONIC_SR), dma_bitmode?32:16, reg_offset); 550 551 #if 0 /* This is sometimes useful to find out how MacOS configured the card. */ 552 printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", dev_name(lp->device), 553 SONIC_READ(SONIC_DCR) & 0xffff, SONIC_READ(SONIC_DCR2) & 0xffff); 554 #endif 555 556 /* Software reset, then initialize control registers. */ 557 SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); 558 SONIC_WRITE(SONIC_DCR, sonic_dcr | (dma_bitmode ? SONIC_DCR_DW : 0)); 559 /* This *must* be written back to in order to restore the 560 * extended programmable output bits, since it may not have been 561 * initialised since the hardware reset. */ 562 SONIC_WRITE(SONIC_DCR2, 0); 563 564 /* Clear *and* disable interrupts to be on the safe side */ 565 SONIC_WRITE(SONIC_IMR, 0); 566 SONIC_WRITE(SONIC_ISR, 0x7fff); 567 568 /* Now look for the MAC address. */ 569 if (mac_nubus_sonic_ethernet_addr(dev, prom_addr, id) != 0) 570 return -ENODEV; 571 572 /* Shared init code */ 573 return macsonic_init(dev); 574 } 575 576 static int __devinit mac_sonic_probe(struct platform_device *pdev) 577 { 578 struct net_device *dev; 579 struct sonic_local *lp; 580 int err; 581 582 dev = alloc_etherdev(sizeof(struct sonic_local)); 583 if (!dev) 584 return -ENOMEM; 585 586 lp = netdev_priv(dev); 587 lp->device = &pdev->dev; 588 SET_NETDEV_DEV(dev, &pdev->dev); 589 platform_set_drvdata(pdev, dev); 590 591 /* This will catch fatal stuff like -ENOMEM as well as success */ 592 err = mac_onboard_sonic_probe(dev); 593 if (err == 0) 594 goto found; 595 if (err != -ENODEV) 596 goto out; 597 err = mac_nubus_sonic_probe(dev); 598 if (err) 599 goto out; 600 found: 601 err = register_netdev(dev); 602 if (err) 603 goto out; 604 605 printk("%s: MAC %pM IRQ %d\n", dev->name, dev->dev_addr, dev->irq); 606 607 return 0; 608 609 out: 610 free_netdev(dev); 611 612 return err; 613 } 614 615 MODULE_DESCRIPTION("Macintosh SONIC ethernet driver"); 616 module_param(sonic_debug, int, 0); 617 MODULE_PARM_DESC(sonic_debug, "macsonic debug level (1-4)"); 618 MODULE_ALIAS("platform:macsonic"); 619 620 #include "sonic.c" 621 622 static int __devexit mac_sonic_device_remove (struct platform_device *pdev) 623 { 624 struct net_device *dev = platform_get_drvdata(pdev); 625 struct sonic_local* lp = netdev_priv(dev); 626 627 unregister_netdev(dev); 628 dma_free_coherent(lp->device, SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), 629 lp->descriptors, lp->descriptors_laddr); 630 free_netdev(dev); 631 632 return 0; 633 } 634 635 static struct platform_driver mac_sonic_driver = { 636 .probe = mac_sonic_probe, 637 .remove = __devexit_p(mac_sonic_device_remove), 638 .driver = { 639 .name = mac_sonic_string, 640 .owner = THIS_MODULE, 641 }, 642 }; 643 644 module_platform_driver(mac_sonic_driver); 645