| 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/interrupt.h> |
| 39 | #include <linux/init.h> |
| 40 | #include <linux/ioport.h> |
| 41 | #include <linux/in.h> |
| 42 | #include <linux/slab.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 | |
| 54 | #include <asm/bootinfo.h> |
| 55 | #include <asm/system.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 | static struct platform_device *mac_sonic_device; |
| 66 | |
| 67 | #include "sonic.h" |
| 68 | |
| 69 | /* These should basically be bus-size and endian independent (since |
| 70 | the SONIC is at least smart enough that it uses the same endianness |
| 71 | as the host, unlike certain less enlightened Macintosh NICs) */ |
| 72 | #define SONIC_READ(reg) (nubus_readw(dev->base_addr + (reg * 4) \ |
| 73 | + lp->reg_offset)) |
| 74 | #define SONIC_WRITE(reg,val) (nubus_writew(val, dev->base_addr + (reg * 4) \ |
| 75 | + lp->reg_offset)) |
| 76 | |
| 77 | /* use 0 for production, 1 for verification, >1 for debug */ |
| 78 | #ifdef SONIC_DEBUG |
| 79 | static unsigned int sonic_debug = SONIC_DEBUG; |
| 80 | #else |
| 81 | static unsigned int sonic_debug = 1; |
| 82 | #endif |
| 83 | |
| 84 | static int sonic_version_printed; |
| 85 | |
| 86 | /* For onboard SONIC */ |
| 87 | #define ONBOARD_SONIC_REGISTERS 0x50F0A000 |
| 88 | #define ONBOARD_SONIC_PROM_BASE 0x50f08000 |
| 89 | |
| 90 | enum macsonic_type { |
| 91 | MACSONIC_DUODOCK, |
| 92 | MACSONIC_APPLE, |
| 93 | MACSONIC_APPLE16, |
| 94 | MACSONIC_DAYNA, |
| 95 | MACSONIC_DAYNALINK |
| 96 | }; |
| 97 | |
| 98 | /* For the built-in SONIC in the Duo Dock */ |
| 99 | #define DUODOCK_SONIC_REGISTERS 0xe10000 |
| 100 | #define DUODOCK_SONIC_PROM_BASE 0xe12000 |
| 101 | |
| 102 | /* For Apple-style NuBus SONIC */ |
| 103 | #define APPLE_SONIC_REGISTERS 0 |
| 104 | #define APPLE_SONIC_PROM_BASE 0x40000 |
| 105 | |
| 106 | /* Daynalink LC SONIC */ |
| 107 | #define DAYNALINK_PROM_BASE 0x400000 |
| 108 | |
| 109 | /* For Dayna-style NuBus SONIC (haven't seen one yet) */ |
| 110 | #define DAYNA_SONIC_REGISTERS 0x180000 |
| 111 | /* This is what OpenBSD says. However, this is definitely in NuBus |
| 112 | ROM space so we should be able to get it by walking the NuBus |
| 113 | resource directories */ |
| 114 | #define DAYNA_SONIC_MAC_ADDR 0xffe004 |
| 115 | |
| 116 | #define SONIC_READ_PROM(addr) nubus_readb(prom_addr+addr) |
| 117 | |
| 118 | /* |
| 119 | * For reversing the PROM address |
| 120 | */ |
| 121 | |
| 122 | static inline void bit_reverse_addr(unsigned char addr[6]) |
| 123 | { |
| 124 | int i; |
| 125 | |
| 126 | for(i = 0; i < 6; i++) |
| 127 | addr[i] = bitrev8(addr[i]); |
| 128 | } |
| 129 | |
| 130 | static irqreturn_t macsonic_interrupt(int irq, void *dev_id) |
| 131 | { |
| 132 | irqreturn_t result; |
| 133 | unsigned long flags; |
| 134 | |
| 135 | local_irq_save(flags); |
| 136 | result = sonic_interrupt(irq, dev_id); |
| 137 | local_irq_restore(flags); |
| 138 | return result; |
| 139 | } |
| 140 | |
| 141 | static int macsonic_open(struct net_device* dev) |
| 142 | { |
| 143 | if (request_irq(dev->irq, &sonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) { |
| 144 | printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, dev->irq); |
| 145 | return -EAGAIN; |
| 146 | } |
| 147 | /* Under the A/UX interrupt scheme, the onboard SONIC interrupt comes |
| 148 | * in at priority level 3. However, we sometimes get the level 2 inter- |
| 149 | * rupt as well, which must prevent re-entrance of the sonic handler. |
| 150 | */ |
| 151 | if (dev->irq == IRQ_AUTO_3) |
| 152 | if (request_irq(IRQ_NUBUS_9, &macsonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) { |
| 153 | printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, IRQ_NUBUS_9); |
| 154 | free_irq(dev->irq, dev); |
| 155 | return -EAGAIN; |
| 156 | } |
| 157 | return sonic_open(dev); |
| 158 | } |
| 159 | |
| 160 | static int macsonic_close(struct net_device* dev) |
| 161 | { |
| 162 | int err; |
| 163 | err = sonic_close(dev); |
| 164 | free_irq(dev->irq, dev); |
| 165 | if (dev->irq == IRQ_AUTO_3) |
| 166 | free_irq(IRQ_NUBUS_9, dev); |
| 167 | return err; |
| 168 | } |
| 169 | |
| 170 | static const struct net_device_ops macsonic_netdev_ops = { |
| 171 | .ndo_open = macsonic_open, |
| 172 | .ndo_stop = macsonic_close, |
| 173 | .ndo_start_xmit = sonic_send_packet, |
| 174 | .ndo_set_multicast_list = sonic_multicast_list, |
| 175 | .ndo_tx_timeout = sonic_tx_timeout, |
| 176 | .ndo_get_stats = sonic_get_stats, |
| 177 | .ndo_validate_addr = eth_validate_addr, |
| 178 | .ndo_change_mtu = eth_change_mtu, |
| 179 | .ndo_set_mac_address = eth_mac_addr, |
| 180 | }; |
| 181 | |
| 182 | static int __devinit macsonic_init(struct net_device *dev) |
| 183 | { |
| 184 | struct sonic_local* lp = netdev_priv(dev); |
| 185 | |
| 186 | /* Allocate the entire chunk of memory for the descriptors. |
| 187 | Note that this cannot cross a 64K boundary. */ |
| 188 | if ((lp->descriptors = dma_alloc_coherent(lp->device, |
| 189 | SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), |
| 190 | &lp->descriptors_laddr, GFP_KERNEL)) == NULL) { |
| 191 | printk(KERN_ERR "%s: couldn't alloc DMA memory for descriptors.\n", |
| 192 | dev_name(lp->device)); |
| 193 | return -ENOMEM; |
| 194 | } |
| 195 | |
| 196 | /* Now set up the pointers to point to the appropriate places */ |
| 197 | lp->cda = lp->descriptors; |
| 198 | lp->tda = lp->cda + (SIZEOF_SONIC_CDA |
| 199 | * SONIC_BUS_SCALE(lp->dma_bitmode)); |
| 200 | lp->rda = lp->tda + (SIZEOF_SONIC_TD * SONIC_NUM_TDS |
| 201 | * SONIC_BUS_SCALE(lp->dma_bitmode)); |
| 202 | lp->rra = lp->rda + (SIZEOF_SONIC_RD * SONIC_NUM_RDS |
| 203 | * SONIC_BUS_SCALE(lp->dma_bitmode)); |
| 204 | |
| 205 | lp->cda_laddr = lp->descriptors_laddr; |
| 206 | lp->tda_laddr = lp->cda_laddr + (SIZEOF_SONIC_CDA |
| 207 | * SONIC_BUS_SCALE(lp->dma_bitmode)); |
| 208 | lp->rda_laddr = lp->tda_laddr + (SIZEOF_SONIC_TD * SONIC_NUM_TDS |
| 209 | * SONIC_BUS_SCALE(lp->dma_bitmode)); |
| 210 | lp->rra_laddr = lp->rda_laddr + (SIZEOF_SONIC_RD * SONIC_NUM_RDS |
| 211 | * SONIC_BUS_SCALE(lp->dma_bitmode)); |
| 212 | |
| 213 | dev->netdev_ops = &macsonic_netdev_ops; |
| 214 | dev->watchdog_timeo = TX_TIMEOUT; |
| 215 | |
| 216 | /* |
| 217 | * clear tally counter |
| 218 | */ |
| 219 | SONIC_WRITE(SONIC_CRCT, 0xffff); |
| 220 | SONIC_WRITE(SONIC_FAET, 0xffff); |
| 221 | SONIC_WRITE(SONIC_MPT, 0xffff); |
| 222 | |
| 223 | return 0; |
| 224 | } |
| 225 | |
| 226 | static int __devinit mac_onboard_sonic_ethernet_addr(struct net_device *dev) |
| 227 | { |
| 228 | struct sonic_local *lp = netdev_priv(dev); |
| 229 | const int prom_addr = ONBOARD_SONIC_PROM_BASE; |
| 230 | int i; |
| 231 | |
| 232 | /* On NuBus boards we can sometimes look in the ROM resources. |
| 233 | No such luck for comm-slot/onboard. */ |
| 234 | for(i = 0; i < 6; i++) |
| 235 | dev->dev_addr[i] = SONIC_READ_PROM(i); |
| 236 | |
| 237 | /* Most of the time, the address is bit-reversed. The NetBSD |
| 238 | source has a rather long and detailed historical account of |
| 239 | why this is so. */ |
| 240 | if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) && |
| 241 | memcmp(dev->dev_addr, "\x00\xA0\x40", 3) && |
| 242 | memcmp(dev->dev_addr, "\x00\x80\x19", 3) && |
| 243 | memcmp(dev->dev_addr, "\x00\x05\x02", 3)) |
| 244 | bit_reverse_addr(dev->dev_addr); |
| 245 | else |
| 246 | return 0; |
| 247 | |
| 248 | /* If we still have what seems to be a bogus address, we'll |
| 249 | look in the CAM. The top entry should be ours. */ |
| 250 | /* Danger! This only works if MacOS has already initialized |
| 251 | the card... */ |
| 252 | if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) && |
| 253 | memcmp(dev->dev_addr, "\x00\xA0\x40", 3) && |
| 254 | memcmp(dev->dev_addr, "\x00\x80\x19", 3) && |
| 255 | memcmp(dev->dev_addr, "\x00\x05\x02", 3)) |
| 256 | { |
| 257 | unsigned short val; |
| 258 | |
| 259 | printk(KERN_INFO "macsonic: PROM seems to be wrong, trying CAM entry 15\n"); |
| 260 | |
| 261 | SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); |
| 262 | SONIC_WRITE(SONIC_CEP, 15); |
| 263 | |
| 264 | val = SONIC_READ(SONIC_CAP2); |
| 265 | dev->dev_addr[5] = val >> 8; |
| 266 | dev->dev_addr[4] = val & 0xff; |
| 267 | val = SONIC_READ(SONIC_CAP1); |
| 268 | dev->dev_addr[3] = val >> 8; |
| 269 | dev->dev_addr[2] = val & 0xff; |
| 270 | val = SONIC_READ(SONIC_CAP0); |
| 271 | dev->dev_addr[1] = val >> 8; |
| 272 | dev->dev_addr[0] = val & 0xff; |
| 273 | |
| 274 | printk(KERN_INFO "HW Address from CAM 15: %pM\n", |
| 275 | dev->dev_addr); |
| 276 | } else return 0; |
| 277 | |
| 278 | if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) && |
| 279 | memcmp(dev->dev_addr, "\x00\xA0\x40", 3) && |
| 280 | memcmp(dev->dev_addr, "\x00\x80\x19", 3) && |
| 281 | memcmp(dev->dev_addr, "\x00\x05\x02", 3)) |
| 282 | { |
| 283 | /* |
| 284 | * Still nonsense ... messed up someplace! |
| 285 | */ |
| 286 | printk(KERN_ERR "macsonic: ERROR (INVALID MAC)\n"); |
| 287 | return -EIO; |
| 288 | } else return 0; |
| 289 | } |
| 290 | |
| 291 | static int __devinit mac_onboard_sonic_probe(struct net_device *dev) |
| 292 | { |
| 293 | /* Bwahahaha */ |
| 294 | static int once_is_more_than_enough; |
| 295 | struct sonic_local* lp = netdev_priv(dev); |
| 296 | int sr; |
| 297 | int commslot = 0; |
| 298 | |
| 299 | if (once_is_more_than_enough) |
| 300 | return -ENODEV; |
| 301 | once_is_more_than_enough = 1; |
| 302 | |
| 303 | if (!MACH_IS_MAC) |
| 304 | return -ENODEV; |
| 305 | |
| 306 | if (macintosh_config->ether_type != MAC_ETHER_SONIC) |
| 307 | return -ENODEV; |
| 308 | |
| 309 | printk(KERN_INFO "Checking for internal Macintosh ethernet (SONIC).. "); |
| 310 | |
| 311 | /* Bogus probing, on the models which may or may not have |
| 312 | Ethernet (BTW, the Ethernet *is* always at the same |
| 313 | address, and nothing else lives there, at least if Apple's |
| 314 | documentation is to be believed) */ |
| 315 | if (macintosh_config->ident == MAC_MODEL_Q630 || |
| 316 | macintosh_config->ident == MAC_MODEL_P588 || |
| 317 | macintosh_config->ident == MAC_MODEL_P575 || |
| 318 | macintosh_config->ident == MAC_MODEL_C610) { |
| 319 | unsigned long flags; |
| 320 | int card_present; |
| 321 | |
| 322 | local_irq_save(flags); |
| 323 | card_present = hwreg_present((void*)ONBOARD_SONIC_REGISTERS); |
| 324 | local_irq_restore(flags); |
| 325 | |
| 326 | if (!card_present) { |
| 327 | printk("none.\n"); |
| 328 | return -ENODEV; |
| 329 | } |
| 330 | commslot = 1; |
| 331 | } |
| 332 | |
| 333 | printk("yes\n"); |
| 334 | |
| 335 | /* Danger! My arms are flailing wildly! You *must* set lp->reg_offset |
| 336 | * and dev->base_addr before using SONIC_READ() or SONIC_WRITE() */ |
| 337 | dev->base_addr = ONBOARD_SONIC_REGISTERS; |
| 338 | if (via_alt_mapping) |
| 339 | dev->irq = IRQ_AUTO_3; |
| 340 | else |
| 341 | dev->irq = IRQ_NUBUS_9; |
| 342 | |
| 343 | if (!sonic_version_printed) { |
| 344 | printk(KERN_INFO "%s", version); |
| 345 | sonic_version_printed = 1; |
| 346 | } |
| 347 | printk(KERN_INFO "%s: onboard / comm-slot SONIC at 0x%08lx\n", |
| 348 | dev_name(lp->device), dev->base_addr); |
| 349 | |
| 350 | /* The PowerBook's SONIC is 16 bit always. */ |
| 351 | if (macintosh_config->ident == MAC_MODEL_PB520) { |
| 352 | lp->reg_offset = 0; |
| 353 | lp->dma_bitmode = SONIC_BITMODE16; |
| 354 | sr = SONIC_READ(SONIC_SR); |
| 355 | } else if (commslot) { |
| 356 | /* Some of the comm-slot cards are 16 bit. But some |
| 357 | of them are not. The 32-bit cards use offset 2 and |
| 358 | have known revisions, we try reading the revision |
| 359 | register at offset 2, if we don't get a known revision |
| 360 | we assume 16 bit at offset 0. */ |
| 361 | lp->reg_offset = 2; |
| 362 | lp->dma_bitmode = SONIC_BITMODE16; |
| 363 | |
| 364 | sr = SONIC_READ(SONIC_SR); |
| 365 | if (sr == 0x0004 || sr == 0x0006 || sr == 0x0100 || sr == 0x0101) |
| 366 | /* 83932 is 0x0004 or 0x0006, 83934 is 0x0100 or 0x0101 */ |
| 367 | lp->dma_bitmode = SONIC_BITMODE32; |
| 368 | else { |
| 369 | lp->dma_bitmode = SONIC_BITMODE16; |
| 370 | lp->reg_offset = 0; |
| 371 | sr = SONIC_READ(SONIC_SR); |
| 372 | } |
| 373 | } else { |
| 374 | /* All onboard cards are at offset 2 with 32 bit DMA. */ |
| 375 | lp->reg_offset = 2; |
| 376 | lp->dma_bitmode = SONIC_BITMODE32; |
| 377 | sr = SONIC_READ(SONIC_SR); |
| 378 | } |
| 379 | printk(KERN_INFO |
| 380 | "%s: revision 0x%04x, using %d bit DMA and register offset %d\n", |
| 381 | dev_name(lp->device), sr, lp->dma_bitmode?32:16, lp->reg_offset); |
| 382 | |
| 383 | #if 0 /* This is sometimes useful to find out how MacOS configured the card. */ |
| 384 | printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", dev_name(lp->device), |
| 385 | SONIC_READ(SONIC_DCR) & 0xffff, SONIC_READ(SONIC_DCR2) & 0xffff); |
| 386 | #endif |
| 387 | |
| 388 | /* Software reset, then initialize control registers. */ |
| 389 | SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); |
| 390 | |
| 391 | SONIC_WRITE(SONIC_DCR, SONIC_DCR_EXBUS | SONIC_DCR_BMS | |
| 392 | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | |
| 393 | (lp->dma_bitmode ? SONIC_DCR_DW : 0)); |
| 394 | |
| 395 | /* This *must* be written back to in order to restore the |
| 396 | * extended programmable output bits, as it may not have been |
| 397 | * initialised since the hardware reset. */ |
| 398 | SONIC_WRITE(SONIC_DCR2, 0); |
| 399 | |
| 400 | /* Clear *and* disable interrupts to be on the safe side */ |
| 401 | SONIC_WRITE(SONIC_IMR, 0); |
| 402 | SONIC_WRITE(SONIC_ISR, 0x7fff); |
| 403 | |
| 404 | /* Now look for the MAC address. */ |
| 405 | if (mac_onboard_sonic_ethernet_addr(dev) != 0) |
| 406 | return -ENODEV; |
| 407 | |
| 408 | /* Shared init code */ |
| 409 | return macsonic_init(dev); |
| 410 | } |
| 411 | |
| 412 | static int __devinit mac_nubus_sonic_ethernet_addr(struct net_device *dev, |
| 413 | unsigned long prom_addr, |
| 414 | int id) |
| 415 | { |
| 416 | int i; |
| 417 | for(i = 0; i < 6; i++) |
| 418 | dev->dev_addr[i] = SONIC_READ_PROM(i); |
| 419 | |
| 420 | /* Some of the addresses are bit-reversed */ |
| 421 | if (id != MACSONIC_DAYNA) |
| 422 | bit_reverse_addr(dev->dev_addr); |
| 423 | |
| 424 | return 0; |
| 425 | } |
| 426 | |
| 427 | static int __devinit macsonic_ident(struct nubus_dev *ndev) |
| 428 | { |
| 429 | if (ndev->dr_hw == NUBUS_DRHW_ASANTE_LC && |
| 430 | ndev->dr_sw == NUBUS_DRSW_SONIC_LC) |
| 431 | return MACSONIC_DAYNALINK; |
| 432 | if (ndev->dr_hw == NUBUS_DRHW_SONIC && |
| 433 | ndev->dr_sw == NUBUS_DRSW_APPLE) { |
| 434 | /* There has to be a better way to do this... */ |
| 435 | if (strstr(ndev->board->name, "DuoDock")) |
| 436 | return MACSONIC_DUODOCK; |
| 437 | else |
| 438 | return MACSONIC_APPLE; |
| 439 | } |
| 440 | |
| 441 | if (ndev->dr_hw == NUBUS_DRHW_SMC9194 && |
| 442 | ndev->dr_sw == NUBUS_DRSW_DAYNA) |
| 443 | return MACSONIC_DAYNA; |
| 444 | |
| 445 | if (ndev->dr_hw == NUBUS_DRHW_APPLE_SONIC_LC && |
| 446 | ndev->dr_sw == 0) { /* huh? */ |
| 447 | return MACSONIC_APPLE16; |
| 448 | } |
| 449 | return -1; |
| 450 | } |
| 451 | |
| 452 | static int __devinit mac_nubus_sonic_probe(struct net_device *dev) |
| 453 | { |
| 454 | static int slots; |
| 455 | struct nubus_dev* ndev = NULL; |
| 456 | struct sonic_local* lp = netdev_priv(dev); |
| 457 | unsigned long base_addr, prom_addr; |
| 458 | u16 sonic_dcr; |
| 459 | int id = -1; |
| 460 | int reg_offset, dma_bitmode; |
| 461 | |
| 462 | /* Find the first SONIC that hasn't been initialized already */ |
| 463 | while ((ndev = nubus_find_type(NUBUS_CAT_NETWORK, |
| 464 | NUBUS_TYPE_ETHERNET, ndev)) != NULL) |
| 465 | { |
| 466 | /* Have we seen it already? */ |
| 467 | if (slots & (1<<ndev->board->slot)) |
| 468 | continue; |
| 469 | slots |= 1<<ndev->board->slot; |
| 470 | |
| 471 | /* Is it one of ours? */ |
| 472 | if ((id = macsonic_ident(ndev)) != -1) |
| 473 | break; |
| 474 | } |
| 475 | |
| 476 | if (ndev == NULL) |
| 477 | return -ENODEV; |
| 478 | |
| 479 | switch (id) { |
| 480 | case MACSONIC_DUODOCK: |
| 481 | base_addr = ndev->board->slot_addr + DUODOCK_SONIC_REGISTERS; |
| 482 | prom_addr = ndev->board->slot_addr + DUODOCK_SONIC_PROM_BASE; |
| 483 | sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT0 | SONIC_DCR_RFT1 | |
| 484 | SONIC_DCR_TFT0; |
| 485 | reg_offset = 2; |
| 486 | dma_bitmode = SONIC_BITMODE32; |
| 487 | break; |
| 488 | case MACSONIC_APPLE: |
| 489 | base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; |
| 490 | prom_addr = ndev->board->slot_addr + APPLE_SONIC_PROM_BASE; |
| 491 | sonic_dcr = SONIC_DCR_BMS | SONIC_DCR_RFT1 | SONIC_DCR_TFT0; |
| 492 | reg_offset = 0; |
| 493 | dma_bitmode = SONIC_BITMODE32; |
| 494 | break; |
| 495 | case MACSONIC_APPLE16: |
| 496 | base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; |
| 497 | prom_addr = ndev->board->slot_addr + APPLE_SONIC_PROM_BASE; |
| 498 | sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | |
| 499 | SONIC_DCR_PO1 | SONIC_DCR_BMS; |
| 500 | reg_offset = 0; |
| 501 | dma_bitmode = SONIC_BITMODE16; |
| 502 | break; |
| 503 | case MACSONIC_DAYNALINK: |
| 504 | base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; |
| 505 | prom_addr = ndev->board->slot_addr + DAYNALINK_PROM_BASE; |
| 506 | sonic_dcr = SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | |
| 507 | SONIC_DCR_PO1 | SONIC_DCR_BMS; |
| 508 | reg_offset = 0; |
| 509 | dma_bitmode = SONIC_BITMODE16; |
| 510 | break; |
| 511 | case MACSONIC_DAYNA: |
| 512 | base_addr = ndev->board->slot_addr + DAYNA_SONIC_REGISTERS; |
| 513 | prom_addr = ndev->board->slot_addr + DAYNA_SONIC_MAC_ADDR; |
| 514 | sonic_dcr = SONIC_DCR_BMS | |
| 515 | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | SONIC_DCR_PO1; |
| 516 | reg_offset = 0; |
| 517 | dma_bitmode = SONIC_BITMODE16; |
| 518 | break; |
| 519 | default: |
| 520 | printk(KERN_ERR "macsonic: WTF, id is %d\n", id); |
| 521 | return -ENODEV; |
| 522 | } |
| 523 | |
| 524 | /* Danger! My arms are flailing wildly! You *must* set lp->reg_offset |
| 525 | * and dev->base_addr before using SONIC_READ() or SONIC_WRITE() */ |
| 526 | dev->base_addr = base_addr; |
| 527 | lp->reg_offset = reg_offset; |
| 528 | lp->dma_bitmode = dma_bitmode; |
| 529 | dev->irq = SLOT2IRQ(ndev->board->slot); |
| 530 | |
| 531 | if (!sonic_version_printed) { |
| 532 | printk(KERN_INFO "%s", version); |
| 533 | sonic_version_printed = 1; |
| 534 | } |
| 535 | printk(KERN_INFO "%s: %s in slot %X\n", |
| 536 | dev_name(lp->device), ndev->board->name, ndev->board->slot); |
| 537 | printk(KERN_INFO "%s: revision 0x%04x, using %d bit DMA and register offset %d\n", |
| 538 | dev_name(lp->device), SONIC_READ(SONIC_SR), dma_bitmode?32:16, reg_offset); |
| 539 | |
| 540 | #if 0 /* This is sometimes useful to find out how MacOS configured the card. */ |
| 541 | printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", dev_name(lp->device), |
| 542 | SONIC_READ(SONIC_DCR) & 0xffff, SONIC_READ(SONIC_DCR2) & 0xffff); |
| 543 | #endif |
| 544 | |
| 545 | /* Software reset, then initialize control registers. */ |
| 546 | SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); |
| 547 | SONIC_WRITE(SONIC_DCR, sonic_dcr | (dma_bitmode ? SONIC_DCR_DW : 0)); |
| 548 | /* This *must* be written back to in order to restore the |
| 549 | * extended programmable output bits, since it may not have been |
| 550 | * initialised since the hardware reset. */ |
| 551 | SONIC_WRITE(SONIC_DCR2, 0); |
| 552 | |
| 553 | /* Clear *and* disable interrupts to be on the safe side */ |
| 554 | SONIC_WRITE(SONIC_IMR, 0); |
| 555 | SONIC_WRITE(SONIC_ISR, 0x7fff); |
| 556 | |
| 557 | /* Now look for the MAC address. */ |
| 558 | if (mac_nubus_sonic_ethernet_addr(dev, prom_addr, id) != 0) |
| 559 | return -ENODEV; |
| 560 | |
| 561 | /* Shared init code */ |
| 562 | return macsonic_init(dev); |
| 563 | } |
| 564 | |
| 565 | static int __devinit mac_sonic_probe(struct platform_device *pdev) |
| 566 | { |
| 567 | struct net_device *dev; |
| 568 | struct sonic_local *lp; |
| 569 | int err; |
| 570 | |
| 571 | dev = alloc_etherdev(sizeof(struct sonic_local)); |
| 572 | if (!dev) |
| 573 | return -ENOMEM; |
| 574 | |
| 575 | lp = netdev_priv(dev); |
| 576 | lp->device = &pdev->dev; |
| 577 | SET_NETDEV_DEV(dev, &pdev->dev); |
| 578 | platform_set_drvdata(pdev, dev); |
| 579 | |
| 580 | /* This will catch fatal stuff like -ENOMEM as well as success */ |
| 581 | err = mac_onboard_sonic_probe(dev); |
| 582 | if (err == 0) |
| 583 | goto found; |
| 584 | if (err != -ENODEV) |
| 585 | goto out; |
| 586 | err = mac_nubus_sonic_probe(dev); |
| 587 | if (err) |
| 588 | goto out; |
| 589 | found: |
| 590 | err = register_netdev(dev); |
| 591 | if (err) |
| 592 | goto out; |
| 593 | |
| 594 | printk("%s: MAC %pM IRQ %d\n", dev->name, dev->dev_addr, dev->irq); |
| 595 | |
| 596 | return 0; |
| 597 | |
| 598 | out: |
| 599 | free_netdev(dev); |
| 600 | |
| 601 | return err; |
| 602 | } |
| 603 | |
| 604 | MODULE_DESCRIPTION("Macintosh SONIC ethernet driver"); |
| 605 | module_param(sonic_debug, int, 0); |
| 606 | MODULE_PARM_DESC(sonic_debug, "macsonic debug level (1-4)"); |
| 607 | |
| 608 | #include "sonic.c" |
| 609 | |
| 610 | static int __devexit mac_sonic_device_remove (struct platform_device *pdev) |
| 611 | { |
| 612 | struct net_device *dev = platform_get_drvdata(pdev); |
| 613 | struct sonic_local* lp = netdev_priv(dev); |
| 614 | |
| 615 | unregister_netdev(dev); |
| 616 | dma_free_coherent(lp->device, SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), |
| 617 | lp->descriptors, lp->descriptors_laddr); |
| 618 | free_netdev(dev); |
| 619 | |
| 620 | return 0; |
| 621 | } |
| 622 | |
| 623 | static struct platform_driver mac_sonic_driver = { |
| 624 | .probe = mac_sonic_probe, |
| 625 | .remove = __devexit_p(mac_sonic_device_remove), |
| 626 | .driver = { |
| 627 | .name = mac_sonic_string, |
| 628 | }, |
| 629 | }; |
| 630 | |
| 631 | static int __init mac_sonic_init_module(void) |
| 632 | { |
| 633 | int err; |
| 634 | |
| 635 | if ((err = platform_driver_register(&mac_sonic_driver))) { |
| 636 | printk(KERN_ERR "Driver registration failed\n"); |
| 637 | return err; |
| 638 | } |
| 639 | |
| 640 | mac_sonic_device = platform_device_alloc(mac_sonic_string, 0); |
| 641 | if (!mac_sonic_device) |
| 642 | goto out_unregister; |
| 643 | |
| 644 | if (platform_device_add(mac_sonic_device)) { |
| 645 | platform_device_put(mac_sonic_device); |
| 646 | mac_sonic_device = NULL; |
| 647 | } |
| 648 | |
| 649 | return 0; |
| 650 | |
| 651 | out_unregister: |
| 652 | platform_driver_unregister(&mac_sonic_driver); |
| 653 | |
| 654 | return -ENOMEM; |
| 655 | } |
| 656 | |
| 657 | static void __exit mac_sonic_cleanup_module(void) |
| 658 | { |
| 659 | platform_driver_unregister(&mac_sonic_driver); |
| 660 | |
| 661 | if (mac_sonic_device) { |
| 662 | platform_device_unregister(mac_sonic_device); |
| 663 | mac_sonic_device = NULL; |
| 664 | } |
| 665 | } |
| 666 | |
| 667 | module_init(mac_sonic_init_module); |
| 668 | module_exit(mac_sonic_cleanup_module); |