drivers/net/arm/etherh.c

   1 /*
   2  *  linux/drivers/acorn/net/etherh.c
   3  *
   4  *  Copyright (C) 2000-2002 Russell King
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * NS8390 I-cubed EtherH and ANT EtherM specific driver
  11  * Thanks to I-Cubed for information on their cards.
  12  * EtherM conversion (C) 1999 Chris Kemp and Tim Watterton
  13  * EtherM integration (C) 2000 Aleph One Ltd (Tak-Shing Chan)
  14  * EtherM integration re-engineered by Russell King.
  15  *
  16  * Changelog:
  17  *  08-12-1996  RMK     1.00    Created
  18  *              RMK     1.03    Added support for EtherLan500 cards
  19  *  23-11-1997  RMK     1.04    Added media autodetection
  20  *  16-04-1998  RMK     1.05    Improved media autodetection
  21  *  10-02-2000  RMK     1.06    Updated for 2.3.43
  22  *  13-05-2000  RMK     1.07    Updated for 2.3.99-pre8
  23  *  12-10-1999  CK/TEW          EtherM driver first release
  24  *  21-12-2000  TTC             EtherH/EtherM integration
  25  *  25-12-2000  RMK     1.08    Clean integration of EtherM into this driver.
  26  *  03-01-2002  RMK     1.09    Always enable IRQs if we're in the nic slot.
  27  */
  28
  29 #include <linux/module.h>
  30 #include <linux/kernel.h>
  31 #include <linux/sched.h>
  32 #include <linux/types.h>
  33 #include <linux/fcntl.h>
  34 #include <linux/interrupt.h>
  35 #include <linux/ptrace.h>
  36 #include <linux/ioport.h>
  37 #include <linux/in.h>
  38 #include <linux/slab.h>
  39 #include <linux/string.h>
  40 #include <linux/errno.h>
  41 #include <linux/netdevice.h>
  42 #include <linux/etherdevice.h>
  43 #include <linux/ethtool.h>
  44 #include <linux/skbuff.h>
  45 #include <linux/delay.h>
  46 #include <linux/device.h>
  47 #include <linux/init.h>
  48 #include <linux/bitops.h>
  49 #include <linux/jiffies.h>
  50
  51 #include <asm/system.h>
  52 #include <asm/ecard.h>
  53 #include <asm/io.h>
  54
  55 #include "../8390.h"
  56
  57 #define NET_DEBUG  0
  58 #define DEBUG_INIT 2
  59
  60 #define DRV_NAME        "etherh"
  61 #define DRV_VERSION     "1.11"
  62
  63 static unsigned int net_debug = NET_DEBUG;
  64
  65 struct etherh_priv {
  66         void __iomem    *ioc_fast;
  67         void __iomem    *memc;
  68         void __iomem    *dma_base;
  69         unsigned int    id;
  70         void __iomem    *ctrl_port;
  71         unsigned char   ctrl;
  72         u32             supported;
  73 };
  74
  75 struct etherh_data {
  76         unsigned long   ns8390_offset;
  77         unsigned long   dataport_offset;
  78         unsigned long   ctrlport_offset;
  79         int             ctrl_ioc;
  80         const char      name[16];
  81         u32             supported;
  82         unsigned char   tx_start_page;
  83         unsigned char   stop_page;
  84 };
  85
  86 MODULE_AUTHOR("Russell King");
  87 MODULE_DESCRIPTION("EtherH/EtherM driver");
  88 MODULE_LICENSE("GPL");
  89
  90 static char version[] __initdata =
  91         "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n";
  92
  93 #define ETHERH500_DATAPORT      0x800   /* MEMC */
  94 #define ETHERH500_NS8390        0x000   /* MEMC */
  95 #define ETHERH500_CTRLPORT      0x800   /* IOC  */
  96
  97 #define ETHERH600_DATAPORT      0x040   /* MEMC */
  98 #define ETHERH600_NS8390        0x800   /* MEMC */
  99 #define ETHERH600_CTRLPORT      0x200   /* MEMC */
 100
 101 #define ETHERH_CP_IE            1
 102 #define ETHERH_CP_IF            2
 103 #define ETHERH_CP_HEARTBEAT     2
 104
 105 #define ETHERH_TX_START_PAGE    1
 106 #define ETHERH_STOP_PAGE        127
 107
 108 /*
 109  * These came from CK/TEW
 110  */
 111 #define ETHERM_DATAPORT         0x200   /* MEMC */
 112 #define ETHERM_NS8390           0x800   /* MEMC */
 113 #define ETHERM_CTRLPORT         0x23c   /* MEMC */
 114
 115 #define ETHERM_TX_START_PAGE    64
 116 #define ETHERM_STOP_PAGE        127
 117
 118 /* ------------------------------------------------------------------------ */
 119
 120 #define etherh_priv(dev) \
 121  ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device)))
 122
 123 static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask)
 124 {
 125         unsigned char ctrl = eh->ctrl | mask;
 126         eh->ctrl = ctrl;
 127         writeb(ctrl, eh->ctrl_port);
 128 }
 129
 130 static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask)
 131 {
 132         unsigned char ctrl = eh->ctrl & ~mask;
 133         eh->ctrl = ctrl;
 134         writeb(ctrl, eh->ctrl_port);
 135 }
 136
 137 static inline unsigned int etherh_get_stat(struct etherh_priv *eh)
 138 {
 139         return readb(eh->ctrl_port);
 140 }
 141
 142
 143
 144
 145 static void etherh_irq_enable(ecard_t *ec, int irqnr)
 146 {
 147         struct etherh_priv *eh = ec->irq_data;
 148
 149         etherh_set_ctrl(eh, ETHERH_CP_IE);
 150 }
 151
 152 static void etherh_irq_disable(ecard_t *ec, int irqnr)
 153 {
 154         struct etherh_priv *eh = ec->irq_data;
 155
 156         etherh_clr_ctrl(eh, ETHERH_CP_IE);
 157 }
 158
 159 static expansioncard_ops_t etherh_ops = {
 160         .irqenable      = etherh_irq_enable,
 161         .irqdisable     = etherh_irq_disable,
 162 };
 163
 164
 165
 166
 167 static void
 168 etherh_setif(struct net_device *dev)
 169 {
 170         struct ei_device *ei_local = netdev_priv(dev);
 171         unsigned long flags;
 172         void __iomem *addr;
 173
 174         local_irq_save(flags);
 175
 176         /* set the interface type */
 177         switch (etherh_priv(dev)->id) {
 178         case PROD_I3_ETHERLAN600:
 179         case PROD_I3_ETHERLAN600A:
 180                 addr = (void *)dev->base_addr + EN0_RCNTHI;
 181
 182                 switch (dev->if_port) {
 183                 case IF_PORT_10BASE2:
 184                         writeb((readb(addr) & 0xf8) | 1, addr);
 185                         break;
 186                 case IF_PORT_10BASET:
 187                         writeb((readb(addr) & 0xf8), addr);
 188                         break;
 189                 }
 190                 break;
 191
 192         case PROD_I3_ETHERLAN500:
 193                 switch (dev->if_port) {
 194                 case IF_PORT_10BASE2:
 195                         etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF);
 196                         break;
 197
 198                 case IF_PORT_10BASET:
 199                         etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF);
 200                         break;
 201                 }
 202                 break;
 203
 204         default:
 205                 break;
 206         }
 207
 208         local_irq_restore(flags);
 209 }
 210
 211 static int
 212 etherh_getifstat(struct net_device *dev)
 213 {
 214         struct ei_device *ei_local = netdev_priv(dev);
 215         void __iomem *addr;
 216         int stat = 0;
 217
 218         switch (etherh_priv(dev)->id) {
 219         case PROD_I3_ETHERLAN600:
 220         case PROD_I3_ETHERLAN600A:
 221                 addr = (void *)dev->base_addr + EN0_RCNTHI;
 222                 switch (dev->if_port) {
 223                 case IF_PORT_10BASE2:
 224                         stat = 1;
 225                         break;
 226                 case IF_PORT_10BASET:
 227                         stat = readb(addr) & 4;
 228                         break;
 229                 }
 230                 break;
 231
 232         case PROD_I3_ETHERLAN500:
 233                 switch (dev->if_port) {
 234                 case IF_PORT_10BASE2:
 235                         stat = 1;
 236                         break;
 237                 case IF_PORT_10BASET:
 238                         stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT;
 239                         break;
 240                 }
 241                 break;
 242
 243         default:
 244                 stat = 0;
 245                 break;
 246         }
 247
 248         return stat != 0;
 249 }
 250
 251 /*
 252  * Configure the interface.  Note that we ignore the other
 253  * parts of ifmap, since its mostly meaningless for this driver.
 254  */
 255 static int etherh_set_config(struct net_device *dev, struct ifmap *map)
 256 {
 257         switch (map->port) {
 258         case IF_PORT_10BASE2:
 259         case IF_PORT_10BASET:
 260                 /*
 261                  * If the user explicitly sets the interface
 262                  * media type, turn off automedia detection.
 263                  */
 264                 dev->flags &= ~IFF_AUTOMEDIA;
 265                 dev->if_port = map->port;
 266                 break;
 267
 268         default:
 269                 return -EINVAL;
 270         }
 271
 272         etherh_setif(dev);
 273
 274         return 0;
 275 }
 276
 277 /*
 278  * Reset the 8390 (hard reset).  Note that we can't actually do this.
 279  */
 280 static void
 281 etherh_reset(struct net_device *dev)
 282 {
 283         struct ei_device *ei_local = netdev_priv(dev);
 284         void __iomem *addr = (void *)dev->base_addr;
 285
 286         writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr);
 287
 288         /*
 289          * See if we need to change the interface type.
 290          * Note that we use 'interface_num' as a flag
 291          * to indicate that we need to change the media.
 292          */
 293         if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) {
 294                 ei_local->interface_num = 0;
 295
 296                 if (dev->if_port == IF_PORT_10BASET)
 297                         dev->if_port = IF_PORT_10BASE2;
 298                 else
 299                         dev->if_port = IF_PORT_10BASET;
 300
 301                 etherh_setif(dev);
 302         }
 303 }
 304
 305 /*
 306  * Write a block of data out to the 8390
 307  */
 308 static void
 309 etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page)
 310 {
 311         struct ei_device *ei_local = netdev_priv(dev);
 312         unsigned long dma_start;
 313         void __iomem *dma_base, *addr;
 314
 315         if (ei_local->dmaing) {
 316                 printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: "
 317                         " DMAstat %d irqlock %d\n", dev->name,
 318                         ei_local->dmaing, ei_local->irqlock);
 319                 return;
 320         }
 321
 322         /*
 323          * Make sure we have a round number of bytes if we're in word mode.
 324          */
 325         if (count & 1 && ei_local->word16)
 326                 count++;
 327
 328         ei_local->dmaing = 1;
 329
 330         addr = (void *)dev->base_addr;
 331         dma_base = etherh_priv(dev)->dma_base;
 332
 333         count = (count + 1) & ~1;
 334         writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
 335
 336         writeb (0x42, addr + EN0_RCNTLO);
 337         writeb (0x00, addr + EN0_RCNTHI);
 338         writeb (0x42, addr + EN0_RSARLO);
 339         writeb (0x00, addr + EN0_RSARHI);
 340         writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
 341
 342         udelay (1);
 343
 344         writeb (ENISR_RDC, addr + EN0_ISR);
 345         writeb (count, addr + EN0_RCNTLO);
 346         writeb (count >> 8, addr + EN0_RCNTHI);
 347         writeb (0, addr + EN0_RSARLO);
 348         writeb (start_page, addr + EN0_RSARHI);
 349         writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD);
 350
 351         if (ei_local->word16)
 352                 writesw (dma_base, buf, count >> 1);
 353         else
 354                 writesb (dma_base, buf, count);
 355
 356         dma_start = jiffies;
 357
 358         while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0)
 359                 if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
 360                         printk(KERN_ERR "%s: timeout waiting for TX RDC\n",
 361                                 dev->name);
 362                         etherh_reset (dev);
 363                         NS8390_init (dev, 1);
 364                         break;
 365                 }
 366
 367         writeb (ENISR_RDC, addr + EN0_ISR);
 368         ei_local->dmaing = 0;
 369 }
 370
 371 /*
 372  * Read a block of data from the 8390
 373  */
 374 static void
 375 etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset)
 376 {
 377         struct ei_device *ei_local = netdev_priv(dev);
 378         unsigned char *buf;
 379         void __iomem *dma_base, *addr;
 380
 381         if (ei_local->dmaing) {
 382                 printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: "
 383                         " DMAstat %d irqlock %d\n", dev->name,
 384                         ei_local->dmaing, ei_local->irqlock);
 385                 return;
 386         }
 387
 388         ei_local->dmaing = 1;
 389
 390         addr = (void *)dev->base_addr;
 391         dma_base = etherh_priv(dev)->dma_base;
 392
 393         buf = skb->data;
 394         writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
 395         writeb (count, addr + EN0_RCNTLO);
 396         writeb (count >> 8, addr + EN0_RCNTHI);
 397         writeb (ring_offset, addr + EN0_RSARLO);
 398         writeb (ring_offset >> 8, addr + EN0_RSARHI);
 399         writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
 400
 401         if (ei_local->word16) {
 402                 readsw (dma_base, buf, count >> 1);
 403                 if (count & 1)
 404                         buf[count - 1] = readb (dma_base);
 405         } else
 406                 readsb (dma_base, buf, count);
 407
 408         writeb (ENISR_RDC, addr + EN0_ISR);
 409         ei_local->dmaing = 0;
 410 }
 411
 412 /*
 413  * Read a header from the 8390
 414  */
 415 static void
 416 etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
 417 {
 418         struct ei_device *ei_local = netdev_priv(dev);
 419         void __iomem *dma_base, *addr;
 420
 421         if (ei_local->dmaing) {
 422                 printk(KERN_ERR "%s: DMAing conflict in etherh_get_header: "
 423                         " DMAstat %d irqlock %d\n", dev->name,
 424                         ei_local->dmaing, ei_local->irqlock);
 425                 return;
 426         }
 427
 428         ei_local->dmaing = 1;
 429
 430         addr = (void *)dev->base_addr;
 431         dma_base = etherh_priv(dev)->dma_base;
 432
 433         writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
 434         writeb (sizeof (*hdr), addr + EN0_RCNTLO);
 435         writeb (0, addr + EN0_RCNTHI);
 436         writeb (0, addr + EN0_RSARLO);
 437         writeb (ring_page, addr + EN0_RSARHI);
 438         writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
 439
 440         if (ei_local->word16)
 441                 readsw (dma_base, hdr, sizeof (*hdr) >> 1);
 442         else
 443                 readsb (dma_base, hdr, sizeof (*hdr));
 444
 445         writeb (ENISR_RDC, addr + EN0_ISR);
 446         ei_local->dmaing = 0;
 447 }
 448
 449 /*
 450  * Open/initialize the board.  This is called (in the current kernel)
 451  * sometime after booting when the 'ifconfig' program is run.
 452  *
 453  * This routine should set everything up anew at each open, even
 454  * registers that "should" only need to be set once at boot, so that
 455  * there is non-reboot way to recover if something goes wrong.
 456  */
 457 static int
 458 etherh_open(struct net_device *dev)
 459 {
 460         struct ei_device *ei_local = netdev_priv(dev);
 461
 462         if (!is_valid_ether_addr(dev->dev_addr)) {
 463                 printk(KERN_WARNING "%s: invalid ethernet MAC address\n",
 464                         dev->name);
 465                 return -EINVAL;
 466         }
 467
 468         if (request_irq(dev->irq, ei_interrupt, 0, dev->name, dev))
 469                 return -EAGAIN;
 470
 471         /*
 472          * Make sure that we aren't going to change the
 473          * media type on the next reset - we are about to
 474          * do automedia manually now.
 475          */
 476         ei_local->interface_num = 0;
 477
 478         /*
 479          * If we are doing automedia detection, do it now.
 480          * This is more reliable than the 8390's detection.
 481          */
 482         if (dev->flags & IFF_AUTOMEDIA) {
 483                 dev->if_port = IF_PORT_10BASET;
 484                 etherh_setif(dev);
 485                 mdelay(1);
 486                 if (!etherh_getifstat(dev)) {
 487                         dev->if_port = IF_PORT_10BASE2;
 488                         etherh_setif(dev);
 489                 }
 490         } else
 491                 etherh_setif(dev);
 492
 493         etherh_reset(dev);
 494         ei_open(dev);
 495
 496         return 0;
 497 }
 498
 499 /*
 500  * The inverse routine to etherh_open().
 501  */
 502 static int
 503 etherh_close(struct net_device *dev)
 504 {
 505         ei_close (dev);
 506         free_irq (dev->irq, dev);
 507         return 0;
 508 }
 509
 510 /*
 511  * Initialisation
 512  */
 513
 514 static void __init etherh_banner(void)
 515 {
 516         static int version_printed;
 517
 518         if (net_debug && version_printed++ == 0)
 519                 printk(KERN_INFO "%s", version);
 520 }
 521
 522 /*
 523  * Read the ethernet address string from the on board rom.
 524  * This is an ascii string...
 525  */
 526 static int __init etherh_addr(char *addr, struct expansion_card *ec)
 527 {
 528         struct in_chunk_dir cd;
 529         char *s;
 530
 531         if (!ecard_readchunk(&cd, ec, 0xf5, 0)) {
 532                 printk(KERN_ERR "%s: unable to read podule description string\n",
 533                        ec->dev.bus_id);
 534                 goto no_addr;
 535         }
 536
 537         s = strchr(cd.d.string, '(');
 538         if (s) {
 539                 int i;
 540
 541                 for (i = 0; i < 6; i++) {
 542                         addr[i] = simple_strtoul(s + 1, &s, 0x10);
 543                         if (*s != (i == 5? ')' : ':'))
 544                                 break;
 545                 }
 546
 547                 if (i == 6)
 548                         return 0;
 549         }
 550
 551         printk(KERN_ERR "%s: unable to parse MAC address: %s\n",
 552                ec->dev.bus_id, cd.d.string);
 553
 554  no_addr:
 555         return -ENODEV;
 556 }
 557
 558 /*
 559  * Create an ethernet address from the system serial number.
 560  */
 561 static int __init etherm_addr(char *addr)
 562 {
 563         unsigned int serial;
 564
 565         if (system_serial_low == 0 && system_serial_high == 0)
 566                 return -ENODEV;
 567
 568         serial = system_serial_low | system_serial_high;
 569
 570         addr[0] = 0;
 571         addr[1] = 0;
 572         addr[2] = 0xa4;
 573         addr[3] = 0x10 + (serial >> 24);
 574         addr[4] = serial >> 16;
 575         addr[5] = serial >> 8;
 576         return 0;
 577 }
 578
 579 static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
 580 {
 581         strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
 582         strlcpy(info->version, DRV_VERSION, sizeof(info->version));
 583         strlcpy(info->bus_info, dev->class_dev.dev->bus_id,
 584                 sizeof(info->bus_info));
 585 }
 586
 587 static int etherh_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 588 {
 589         cmd->supported  = etherh_priv(dev)->supported;
 590         cmd->speed      = SPEED_10;
 591         cmd->duplex     = DUPLEX_HALF;
 592         cmd->port       = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC;
 593         cmd->autoneg    = dev->flags & IFF_AUTOMEDIA ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 594         return 0;
 595 }
 596
 597 static int etherh_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 598 {
 599         switch (cmd->autoneg) {
 600         case AUTONEG_ENABLE:
 601                 dev->flags |= IFF_AUTOMEDIA;
 602                 break;
 603
 604         case AUTONEG_DISABLE:
 605                 switch (cmd->port) {
 606                 case PORT_TP:
 607                         dev->if_port = IF_PORT_10BASET;
 608                         break;
 609
 610                 case PORT_BNC:
 611                         dev->if_port = IF_PORT_10BASE2;
 612                         break;
 613
 614                 default:
 615                         return -EINVAL;
 616                 }
 617                 dev->flags &= ~IFF_AUTOMEDIA;
 618                 break;
 619
 620         default:
 621                 return -EINVAL;
 622         }
 623
 624         etherh_setif(dev);
 625
 626         return 0;
 627 }
 628
 629 static struct ethtool_ops etherh_ethtool_ops = {
 630         .get_settings   = etherh_get_settings,
 631         .set_settings   = etherh_set_settings,
 632         .get_drvinfo    = etherh_get_drvinfo,
 633 };
 634
 635 static u32 etherh_regoffsets[16];
 636 static u32 etherm_regoffsets[16];
 637
 638 static int __init
 639 etherh_probe(struct expansion_card *ec, const struct ecard_id *id)
 640 {
 641         const struct etherh_data *data = id->data;
 642         struct ei_device *ei_local;
 643         struct net_device *dev;
 644         struct etherh_priv *eh;
 645         int i, ret;
 646
 647         etherh_banner();
 648
 649         ret = ecard_request_resources(ec);
 650         if (ret)
 651                 goto out;
 652
 653         dev = __alloc_ei_netdev(sizeof(struct etherh_priv));
 654         if (!dev) {
 655                 ret = -ENOMEM;
 656                 goto release;
 657         }
 658
 659         SET_MODULE_OWNER(dev);
 660         SET_NETDEV_DEV(dev, &ec->dev);
 661
 662         dev->open               = etherh_open;
 663         dev->stop               = etherh_close;
 664         dev->set_config         = etherh_set_config;
 665         dev->irq                = ec->irq;
 666         dev->ethtool_ops        = &etherh_ethtool_ops;
 667
 668         if (data->supported & SUPPORTED_Autoneg)
 669                 dev->flags |= IFF_AUTOMEDIA;
 670         if (data->supported & SUPPORTED_TP) {
 671                 dev->flags |= IFF_PORTSEL;
 672                 dev->if_port = IF_PORT_10BASET;
 673         } else if (data->supported & SUPPORTED_BNC) {
 674                 dev->flags |= IFF_PORTSEL;
 675                 dev->if_port = IF_PORT_10BASE2;
 676         } else
 677                 dev->if_port = IF_PORT_UNKNOWN;
 678
 679         eh = etherh_priv(dev);
 680         eh->supported           = data->supported;
 681         eh->ctrl                = 0;
 682         eh->id                  = ec->cid.product;
 683         eh->memc                = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC), PAGE_SIZE);
 684         if (!eh->memc) {
 685                 ret = -ENOMEM;
 686                 goto free;
 687         }
 688
 689         eh->ctrl_port = eh->memc;
 690         if (data->ctrl_ioc) {
 691                 eh->ioc_fast = ioremap(ecard_resource_start(ec, ECARD_RES_IOCFAST), PAGE_SIZE);
 692                 if (!eh->ioc_fast) {
 693                         ret = -ENOMEM;
 694                         goto free;
 695                 }
 696                 eh->ctrl_port = eh->ioc_fast;
 697         }
 698
 699         dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset;
 700         eh->dma_base = eh->memc + data->dataport_offset;
 701         eh->ctrl_port += data->ctrlport_offset;
 702
 703         /*
 704          * IRQ and control port handling - only for non-NIC slot cards.
 705          */
 706         if (ec->slot_no != 8) {
 707                 ec->ops         = &etherh_ops;
 708                 ec->irq_data    = eh;
 709         } else {
 710                 /*
 711                  * If we're in the NIC slot, make sure the IRQ is enabled
 712                  */
 713                 etherh_set_ctrl(eh, ETHERH_CP_IE);
 714         }
 715
 716         ei_local = netdev_priv(dev);
 717         spin_lock_init(&ei_local->page_lock);
 718
 719         if (ec->cid.product == PROD_ANT_ETHERM) {
 720                 etherm_addr(dev->dev_addr);
 721                 ei_local->reg_offset = etherm_regoffsets;
 722         } else {
 723                 etherh_addr(dev->dev_addr, ec);
 724                 ei_local->reg_offset = etherh_regoffsets;
 725         }
 726
 727         ei_local->name          = dev->name;
 728         ei_local->word16        = 1;
 729         ei_local->tx_start_page = data->tx_start_page;
 730         ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES;
 731         ei_local->stop_page     = data->stop_page;
 732         ei_local->reset_8390    = etherh_reset;
 733         ei_local->block_input   = etherh_block_input;
 734         ei_local->block_output  = etherh_block_output;
 735         ei_local->get_8390_hdr  = etherh_get_header;
 736         ei_local->interface_num = 0;
 737
 738         etherh_reset(dev);
 739         NS8390_init(dev, 0);
 740
 741         ret = register_netdev(dev);
 742         if (ret)
 743                 goto free;
 744
 745         printk(KERN_INFO "%s: %s in slot %d, ",
 746                 dev->name, data->name, ec->slot_no);
 747
 748         for (i = 0; i < 6; i++)
 749                 printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':');
 750
 751         ecard_set_drvdata(ec, dev);
 752
 753         return 0;
 754
 755  free:
 756         if (eh->ioc_fast)
 757                 iounmap(eh->ioc_fast);
 758         if (eh->memc)
 759                 iounmap(eh->memc);
 760         free_netdev(dev);
 761  release:
 762         ecard_release_resources(ec);
 763  out:
 764         return ret;
 765 }
 766
 767 static void __devexit etherh_remove(struct expansion_card *ec)
 768 {
 769         struct net_device *dev = ecard_get_drvdata(ec);
 770         struct etherh_priv *eh = etherh_priv(dev);
 771
 772         ecard_set_drvdata(ec, NULL);
 773
 774         unregister_netdev(dev);
 775         ec->ops = NULL;
 776
 777         if (eh->ioc_fast)
 778                 iounmap(eh->ioc_fast);
 779         iounmap(eh->memc);
 780
 781         free_netdev(dev);
 782
 783         ecard_release_resources(ec);
 784 }
 785
 786 static struct etherh_data etherm_data = {
 787         .ns8390_offset          = ETHERM_NS8390,
 788         .dataport_offset        = ETHERM_NS8390 + ETHERM_DATAPORT,
 789         .ctrlport_offset        = ETHERM_NS8390 + ETHERM_CTRLPORT,
 790         .name                   = "ANT EtherM",
 791         .supported              = SUPPORTED_10baseT_Half,
 792         .tx_start_page          = ETHERM_TX_START_PAGE,
 793         .stop_page              = ETHERM_STOP_PAGE,
 794 };
 795
 796 static struct etherh_data etherlan500_data = {
 797         .ns8390_offset          = ETHERH500_NS8390,
 798         .dataport_offset        = ETHERH500_NS8390 + ETHERH500_DATAPORT,
 799         .ctrlport_offset        = ETHERH500_CTRLPORT,
 800         .ctrl_ioc               = 1,
 801         .name                   = "i3 EtherH 500",
 802         .supported              = SUPPORTED_10baseT_Half,
 803         .tx_start_page          = ETHERH_TX_START_PAGE,
 804         .stop_page              = ETHERH_STOP_PAGE,
 805 };
 806
 807 static struct etherh_data etherlan600_data = {
 808         .ns8390_offset          = ETHERH600_NS8390,
 809         .dataport_offset        = ETHERH600_NS8390 + ETHERH600_DATAPORT,
 810         .ctrlport_offset        = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
 811         .name                   = "i3 EtherH 600",
 812         .supported              = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
 813         .tx_start_page          = ETHERH_TX_START_PAGE,
 814         .stop_page              = ETHERH_STOP_PAGE,
 815 };
 816
 817 static struct etherh_data etherlan600a_data = {
 818         .ns8390_offset          = ETHERH600_NS8390,
 819         .dataport_offset        = ETHERH600_NS8390 + ETHERH600_DATAPORT,
 820         .ctrlport_offset        = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
 821         .name                   = "i3 EtherH 600A",
 822         .supported              = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
 823         .tx_start_page          = ETHERH_TX_START_PAGE,
 824         .stop_page              = ETHERH_STOP_PAGE,
 825 };
 826
 827 static const struct ecard_id etherh_ids[] = {
 828         { MANU_ANT, PROD_ANT_ETHERM,      &etherm_data       },
 829         { MANU_I3,  PROD_I3_ETHERLAN500,  &etherlan500_data  },
 830         { MANU_I3,  PROD_I3_ETHERLAN600,  &etherlan600_data  },
 831         { MANU_I3,  PROD_I3_ETHERLAN600A, &etherlan600a_data },
 832         { 0xffff,   0xffff }
 833 };
 834
 835 static struct ecard_driver etherh_driver = {
 836         .probe          = etherh_probe,
 837         .remove         = __devexit_p(etherh_remove),
 838         .id_table       = etherh_ids,
 839         .drv = {
 840                 .name   = DRV_NAME,
 841         },
 842 };
 843
 844 static int __init etherh_init(void)
 845 {
 846         int i;
 847
 848         for (i = 0; i < 16; i++) {
 849                 etherh_regoffsets[i] = i << 2;
 850                 etherm_regoffsets[i] = i << 5;
 851         }
 852
 853         return ecard_register_driver(&etherh_driver);
 854 }
 855
 856 static void __exit etherh_exit(void)
 857 {
 858         ecard_remove_driver(&etherh_driver);
 859 }
 860
 861 module_init(etherh_init);
 862 module_exit(etherh_exit);