target/linux/adm8668/patches-3.18/005-tulip_platform.patch

   1 --- a/drivers/net/ethernet/dec/tulip/Kconfig
   2 +++ b/drivers/net/ethernet/dec/tulip/Kconfig
   3 @@ -60,6 +60,14 @@ config TULIP_PCI
   4           To compile this driver as a module, choose M here. The module will
   5           be called tulip.
   6
   7 +config TULIP_PLATFORM
   8 +       tristate "DECchip Tulip (dc2114x) Platform support"
   9 +       depends on HAS_IOMEM
  10 +       select TULIP
  11 +       select CRC32
  12 +       ---help---
  13 +          This driver is for the platform variant.
  14 +
  15  config TULIP_MWI
  16         bool "New bus configuration"
  17         depends on TULIP_PCI
  18 --- a/drivers/net/ethernet/dec/tulip/tulip_core.c
  19 +++ b/drivers/net/ethernet/dec/tulip/tulip_core.c
  20 @@ -27,6 +27,8 @@
  21  #include <linux/init.h>
  22  #include <linux/interrupt.h>
  23  #include <linux/etherdevice.h>
  24 +#include <linux/platform_device.h>
  25 +#include <linux/platform_data/tulip.h>
  26  #include <linux/delay.h>
  27  #include <linux/mii.h>
  28  #include <linux/crc32.h>
  29 @@ -203,6 +205,9 @@ struct tulip_chip_table tulip_tbl[] = {
  30    { "Conexant LANfinity", 256, 0x0001ebef,
  31         HAS_MII | HAS_ACPI, tulip_timer, tulip_media_task },
  32
  33 +  { "Infineon ADM8668", 256, 0x0001a451,
  34 +       MC_HASH_ONLY | COMET_MAC_ADDR, tulip_timer, tulip_media_task, },
  35 +
  36  };
  37
  38
  39 @@ -376,6 +381,11 @@ static void tulip_up(struct net_device *
  40                                          sizeof(tp->setup_frame),
  41                                          PCI_DMA_TODEVICE);
  42  #endif
  43 +#ifdef CONFIG_TULIP_PLATFORM
  44 +               mapping = dma_map_single(&tp->pldev->dev, tp->setup_frame,
  45 +                                        sizeof(tp->setup_frame),
  46 +                                        DMA_TO_DEVICE);
  47 +#endif
  48                 tp->tx_buffers[tp->cur_tx].skb = NULL;
  49                 tp->tx_buffers[tp->cur_tx].mapping = mapping;
  50
  51 @@ -395,6 +405,7 @@ static void tulip_up(struct net_device *
  52         i = 0;
  53         if (tp->mtable == NULL)
  54                 goto media_picked;
  55 +
  56         if (dev->if_port) {
  57                 int looking_for = tulip_media_cap[dev->if_port] & MediaIsMII ? 11 :
  58                         (dev->if_port == 12 ? 0 : dev->if_port);
  59 @@ -488,6 +499,10 @@ media_picked:
  60                 iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88);
  61                 dev->if_port = tp->mii_cnt ? 11 : 0;
  62                 tp->csr6 = 0x00040000;
  63 +       } else if (tp->chip_id == ADM8668) {
  64 +               /* Enable automatic Tx underrun recovery. */
  65 +               iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88);
  66 +               tp->csr6 = 0x00040000;
  67         } else if (tp->chip_id == AX88140) {
  68                 tp->csr6 = tp->mii_cnt ? 0x00040100 : 0x00000100;
  69         } else
  70 @@ -659,6 +674,10 @@ static void tulip_init_ring(struct net_d
  71                 mapping = pci_map_single(tp->pdev, skb->data,
  72                                          PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
  73  #endif
  74 +#ifdef CONFIG_TULIP_PLATFORM
  75 +               mapping = dma_map_single(&tp->pldev->dev, skb->data,
  76 +                                       PKT_BUF_SZ, DMA_FROM_DEVICE);
  77 +#endif
  78                 tp->rx_buffers[i].mapping = mapping;
  79                 tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */
  80                 tp->rx_ring[i].buffer1 = cpu_to_le32(mapping);
  81 @@ -695,6 +714,11 @@ tulip_start_xmit(struct sk_buff *skb, st
  82         mapping = pci_map_single(tp->pdev, skb->data,
  83                                  skb->len, PCI_DMA_TODEVICE);
  84  #endif
  85 +#ifdef CONFIG_TULIP_PLATFORM
  86 +       mapping = dma_map_single(&tp->pldev->dev, skb->data,
  87 +                                skb->len,
  88 +                                DMA_TO_DEVICE);
  89 +#endif
  90         tp->tx_buffers[entry].mapping = mapping;
  91         tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping);
  92
  93 @@ -751,6 +775,13 @@ static void tulip_clean_tx_ring(struct t
  94                                         sizeof(tp->setup_frame),
  95                                         PCI_DMA_TODEVICE);
  96  #endif
  97 +#ifdef CONFIG_TULIP_PLATFORM
  98 +                               dma_unmap_single(&tp->pldev->dev,
  99 +                                       tp->tx_buffers[entry].mapping,
 100 +                                       sizeof(tp->setup_frame),
 101 +                                       DMA_TO_DEVICE);
 102 +#endif
 103 +
 104                         continue;
 105                 }
 106  #ifdef CONFIG_TULIP_PCI
 107 @@ -758,6 +789,11 @@ static void tulip_clean_tx_ring(struct t
 108                                 tp->tx_buffers[entry].skb->len,
 109                                 PCI_DMA_TODEVICE);
 110  #endif
 111 +#ifdef CONFIG_TULIP_PLATFORM
 112 +               dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping,
 113 +                               tp->tx_buffers[entry].skb->len,
 114 +                               DMA_TO_DEVICE);
 115 +#endif
 116
 117                 /* Free the original skb. */
 118                 dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
 119 @@ -835,6 +871,10 @@ static void tulip_free_ring (struct net_
 120                         pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ,
 121                                          PCI_DMA_FROMDEVICE);
 122  #endif
 123 +#ifdef CONFIG_TULIP_PLATFORM
 124 +                       dma_unmap_single(&tp->pldev->dev, mapping, PKT_BUF_SZ,
 125 +                                       DMA_FROM_DEVICE);
 126 +#endif
 127                         dev_kfree_skb (skb);
 128                 }
 129         }
 130 @@ -847,6 +887,10 @@ static void tulip_free_ring (struct net_
 131                         pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping,
 132                                          skb->len, PCI_DMA_TODEVICE);
 133  #endif
 134 +#ifdef CONFIG_TULIP_PLATFORM
 135 +                       dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[i].mapping,
 136 +                                        skb->len, DMA_TO_DEVICE);
 137 +#endif
 138                         dev_kfree_skb (skb);
 139                 }
 140                 tp->tx_buffers[i].skb = NULL;
 141 @@ -901,6 +945,9 @@ static void tulip_get_drvinfo(struct net
 142  #ifdef CONFIG_TULIP_PCI
 143         strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info));
 144  #endif
 145 +#ifdef CONFIG_TULIP_PLATFORM
 146 +       strlcpy(info->bus_info, "platform", sizeof(info->bus_info));
 147 +#endif
 148  }
 149
 150
 151 @@ -916,6 +963,9 @@ static int tulip_ethtool_set_wol(struct
 152  #ifdef CONFIG_TULIP_PCI
 153         device_set_wakeup_enable(tp->kdev, tp->wolinfo.wolopts);
 154  #endif
 155 +#ifdef CONFIG_TULIP_PLATFORM
 156 +       device_set_wakeup_enable(&tp->pldev->dev, tp->wolinfo.wolopts);
 157 +#endif
 158         return 0;
 159  }
 160
 161 @@ -1191,13 +1241,20 @@ static void set_rx_mode(struct net_devic
 162
 163                         }
 164
 165 +#ifdef CONFIG_TULIP_PCI
 166                         tp->tx_buffers[entry].skb = NULL;
 167                         tp->tx_buffers[entry].mapping =
 168 -#ifdef CONFIG_TULIP_PCI
 169                                 pci_map_single(tp->pdev, tp->setup_frame,
 170                                                sizeof(tp->setup_frame),
 171                                                PCI_DMA_TODEVICE);
 172  #endif
 173 +#ifdef CONFIG_TULIP_PLATFORM
 174 +                       tp->tx_buffers[entry].skb = NULL;
 175 +                       tp->tx_buffers[entry].mapping =
 176 +                               dma_map_single(&tp->pldev->dev, tp->setup_frame,
 177 +                                              sizeof(tp->setup_frame),
 178 +                                              DMA_TO_DEVICE);
 179 +#endif
 180                         /* Put the setup frame on the Tx list. */
 181                         if (entry == TX_RING_SIZE-1)
 182                                 tx_flags |= DESC_RING_WRAP;             /* Wrap ring. */
 183 @@ -1217,6 +1274,9 @@ static void set_rx_mode(struct net_devic
 184                 spin_unlock_irqrestore(&tp->lock, flags);
 185         }
 186
 187 +       if (tp->chip_id == ADM8668)
 188 +               csr6 |= (1 << 9);       /* force 100Mbps full duplex */
 189 +
 190         iowrite32(csr6, ioaddr + CSR6);
 191  }
 192
 193 @@ -1983,6 +2043,126 @@ static void tulip_remove_one(struct pci_
 194  }
 195  #endif /* CONFIG_TULIP_PCI */
 196
 197 +#ifdef CONFIG_TULIP_PLATFORM
 198 +static int tulip_probe(struct platform_device *pdev)
 199 +{
 200 +       struct tulip_private *tp;
 201 +       struct tulip_platform_data *pdata;
 202 +       struct net_device *dev;
 203 +       struct resource *res;
 204 +       void __iomem *ioaddr;
 205 +       int irq;
 206 +
 207 +       if (pdev->id < 0 || pdev->id >= MAX_UNITS)
 208 +               return -EINVAL;
 209 +
 210 +       if (!(res = platform_get_resource(pdev, IORESOURCE_IRQ, 0)))
 211 +               return -ENODEV;
 212 +       irq = res->start;
 213 +       if (!(res = platform_get_resource(pdev, IORESOURCE_MEM, 0)))
 214 +               return -ENODEV;
 215 +       if (!(ioaddr = ioremap(res->start, res->end - res->start)))
 216 +               return -ENODEV;
 217 +
 218 +       pdata = pdev->dev.platform_data;
 219 +       if (!pdata)
 220 +               return -ENODEV;
 221 +
 222 +       if (!(dev = alloc_etherdev(sizeof (*tp))))
 223 +               return -ENOMEM;
 224 +
 225 +       /* setup net dev */
 226 +       dev->base_addr = (unsigned long)res->start;
 227 +       dev->irq = irq;
 228 +       SET_NETDEV_DEV(dev, &pdev->dev);
 229 +
 230 +       /* tulip private struct */
 231 +       tp = netdev_priv(dev);
 232 +       tp->dev = dev;
 233 +       tp->base_addr = ioaddr;
 234 +       tp->csr0 = 0;
 235 +       tp->pldev = pdev;
 236 +       tp->kdev = &pdev->dev;
 237 +       tp->irq = irq;
 238 +       tp->rx_ring = dma_alloc_coherent(&pdev->dev,
 239 +                               sizeof(struct tulip_rx_desc) * RX_RING_SIZE +
 240 +                               sizeof(struct tulip_tx_desc) * TX_RING_SIZE,
 241 +                               &tp->rx_ring_dma, GFP_KERNEL);
 242 +       if (!tp->rx_ring)
 243 +               return -ENODEV;
 244 +       tp->tx_ring = (struct tulip_tx_desc *)(tp->rx_ring + RX_RING_SIZE);
 245 +       tp->tx_ring_dma = tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * RX_RING_SIZE;
 246 +
 247 +       tp->chip_id = pdata->chip_id;
 248 +       tp->flags = tulip_tbl[tp->chip_id].flags;
 249 +
 250 +       spin_lock_init(&tp->lock);
 251 +       spin_lock_init(&tp->mii_lock);
 252 +
 253 +       init_timer(&tp->timer);
 254 +       tp->timer.data = (unsigned long)dev;
 255 +       tp->timer.function = tulip_tbl[tp->chip_id].media_timer;
 256 +
 257 +       INIT_WORK(&tp->media_work, tulip_tbl[tp->chip_id].media_task);
 258 +
 259 +       /* Stop the chip's Tx and Rx processes. */
 260 +       tulip_stop_rxtx(tp);
 261 +
 262 +       /* Clear the missed-packet counter. */
 263 +       ioread32(ioaddr + CSR8);
 264 +
 265 +       if (!is_valid_ether_addr(pdata->mac)) {
 266 +               dev_info(&pdev->dev, "generating random ethernet MAC\n");
 267 +               random_ether_addr(dev->dev_addr);
 268 +       } else
 269 +               memcpy(dev->dev_addr, pdata->mac, ETH_ALEN);
 270 +
 271 +       /* The Tulip-specific entries in the device structure. */
 272 +       dev->netdev_ops = &tulip_netdev_ops;
 273 +       dev->watchdog_timeo = TX_TIMEOUT;
 274 +       netif_napi_add(dev, &tp->napi, tulip_poll, 16);
 275 +       dev->ethtool_ops = &ops;
 276 +
 277 +       if (register_netdev(dev))
 278 +               goto err_out_free_ring;
 279 +
 280 +       dev_info(&dev->dev,
 281 +                "tulip_platform (%s) at MMIO %#lx %pM, IRQ %d\n",
 282 +                tulip_tbl[tp->chip_id].chip_name,
 283 +                (unsigned long)dev->base_addr, dev->dev_addr, irq);
 284 +
 285 +       platform_set_drvdata(pdev, dev);
 286 +       return 0;
 287 +
 288 +err_out_free_ring:
 289 +       dma_free_coherent(&pdev->dev,
 290 +                    sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
 291 +                    sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
 292 +                    tp->rx_ring, tp->rx_ring_dma);
 293 +       return -ENODEV;
 294 +}
 295 +
 296 +static int tulip_remove(struct platform_device *pdev)
 297 +{
 298 +       struct net_device *dev = platform_get_drvdata (pdev);
 299 +       struct tulip_private *tp;
 300 +
 301 +       if (!dev)
 302 +               return -ENODEV;
 303 +
 304 +       tp = netdev_priv(dev);
 305 +       unregister_netdev(dev);
 306 +       dma_free_coherent(&pdev->dev,
 307 +                            sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
 308 +                            sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
 309 +                            tp->rx_ring, tp->rx_ring_dma);
 310 +       iounmap(tp->base_addr);
 311 +       free_netdev(dev);
 312 +       platform_set_drvdata(pdev, NULL);
 313 +       return 0;
 314 +}
 315 +#endif
 316 +
 317  #ifdef CONFIG_NET_POLL_CONTROLLER
 318  /*
 319   * Polling 'interrupt' - used by things like netconsole to send skbs
 320 @@ -2016,6 +2196,17 @@ static struct pci_driver tulip_pci_drive
 321  };
 322  #endif
 323
 324 +#ifdef CONFIG_TULIP_PLATFORM
 325 +static struct platform_driver tulip_platform_driver = {
 326 +       .probe = tulip_probe,
 327 +       .remove = tulip_remove,
 328 +       .driver = {
 329 +               .owner = THIS_MODULE,
 330 +               .name = DRV_NAME,
 331 +       },
 332 +};
 333 +#endif
 334 +
 335
 336  static int __init tulip_init (void)
 337  {
 338 @@ -2038,6 +2229,9 @@ static int __init tulip_init (void)
 339  #ifdef CONFIG_TULIP_PCI
 340         ret = pci_register_driver(&tulip_pci_driver);
 341  #endif
 342 +#ifdef CONFIG_TULIP_PLATFORM
 343 +       ret = platform_driver_register(&tulip_platform_driver);
 344 +#endif
 345         return ret;
 346  }
 347
 348 @@ -2047,6 +2241,9 @@ static void __exit tulip_cleanup (void)
 349  #ifdef CONFIG_TULIP_PCI
 350         pci_unregister_driver (&tulip_pci_driver);
 351  #endif
 352 +#ifdef CONFIG_TULIP_PLATFORM
 353 +       platform_driver_unregister (&tulip_platform_driver);
 354 +#endif
 355  }
 356
 357
 358 --- a/drivers/net/ethernet/dec/tulip/tulip.h
 359 +++ b/drivers/net/ethernet/dec/tulip/tulip.h
 360 @@ -21,6 +21,8 @@
 361  #include <linux/timer.h>
 362  #include <linux/delay.h>
 363  #include <linux/pci.h>
 364 +#include <linux/platform_device.h>
 365 +#include <linux/platform_data/tulip.h>
 366  #include <asm/io.h>
 367  #include <asm/irq.h>
 368  #include <asm/unaligned.h>
 369 @@ -69,28 +71,6 @@ enum tbl_flag {
 370  };
 371
 372
 373 -/* chip types.  careful!  order is VERY IMPORTANT here, as these
 374 - * are used throughout the driver as indices into arrays */
 375 -/* Note 21142 == 21143. */
 376 -enum chips {
 377 -       DC21040 = 0,
 378 -       DC21041 = 1,
 379 -       DC21140 = 2,
 380 -       DC21142 = 3, DC21143 = 3,
 381 -       LC82C168,
 382 -       MX98713,
 383 -       MX98715,
 384 -       MX98725,
 385 -       AX88140,
 386 -       PNIC2,
 387 -       COMET,
 388 -       COMPEX9881,
 389 -       I21145,
 390 -       DM910X,
 391 -       CONEXANT,
 392 -};
 393 -
 394 -
 395  enum MediaIs {
 396         MediaIsFD = 1,
 397         MediaAlwaysFD = 2,
 398 @@ -446,7 +426,12 @@ struct tulip_private {
 399         struct mediatable *mtable;
 400         int cur_index;          /* Current media index. */
 401         int saved_if_port;
 402 +#ifdef CONFIG_TULIP_PCI
 403         struct pci_dev *pdev;
 404 +#endif
 405 +#ifdef CONFIG_TULIP_PLATFORM
 406 +       struct platform_device *pldev;
 407 +#endif
 408         struct device *kdev;
 409         int irq;
 410         int ttimer;
 411 --- a/drivers/net/ethernet/dec/tulip/interrupt.c
 412 +++ b/drivers/net/ethernet/dec/tulip/interrupt.c
 413 @@ -77,6 +77,10 @@ int tulip_refill_rx(struct net_device *d
 414                         mapping = pci_map_single(tp->pdev, skb->data, PKT_BUF_SZ,
 415                                                  PCI_DMA_FROMDEVICE);
 416  #endif
 417 +#ifdef CONFIG_TULIP_PLATFORM
 418 +                       mapping = dma_map_single(&tp->pldev->dev, skb->data, PKT_BUF_SZ,
 419 +                                                DMA_FROM_DEVICE);
 420 +#endif
 421                         if (dma_mapping_error(tp->kdev, mapping)) {
 422                                 dev_kfree_skb(skb);
 423                                 tp->rx_buffers[entry].skb = NULL;
 424 @@ -204,8 +208,7 @@ int tulip_poll(struct napi_struct *napi,
 425                                                 dev->stats.rx_fifo_errors++;
 426                                 }
 427                         } else {
 428 -                               struct sk_buff *skb;
 429 -
 430 +                               struct sk_buff *skb;
 431                                 /* Check if the packet is long enough to accept without copying
 432                                    to a minimally-sized skbuff. */
 433                                 if (pkt_len < tulip_rx_copybreak &&
 434 @@ -248,6 +251,10 @@ int tulip_poll(struct napi_struct *napi,
 435                                         pci_unmap_single(tp->pdev, tp->rx_buffers[entry].mapping,
 436                                                          PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
 437  #endif
 438 +#ifdef CONFIG_TULIP_PLATFORM
 439 +                                      dma_unmap_single(&tp->pldev->dev, tp->rx_buffers[entry].mapping,
 440 +                                                      PKT_BUF_SZ, DMA_FROM_DEVICE);
 441 +#endif
 442
 443                                         tp->rx_buffers[entry].skb = NULL;
 444                                         tp->rx_buffers[entry].mapping = 0;
 445 @@ -641,6 +648,11 @@ irqreturn_t tulip_interrupt(int irq, voi
 446                                                  tp->tx_buffers[entry].skb->len,
 447                                                  PCI_DMA_TODEVICE);
 448  #endif
 449 +#ifdef CONFIG_TULIP_PLATFORM
 450 +                               dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping,
 451 +                                                tp->tx_buffers[entry].skb->len,
 452 +                                                DMA_TO_DEVICE);
 453 +#endif
 454
 455                                 /* Free the original skb. */
 456                                 dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
 457 --- /dev/null
 458 +++ b/include/linux/platform_data/tulip.h
 459 @@ -0,0 +1,31 @@
 460 +#ifndef _LINUX_TULIP_PDATA_H
 461 +#define _LINUX_TULIP_PDATA_H
 462 +
 463 +/* chip types.  careful!  order is VERY IMPORTANT here, as these
 464 + * are used throughout the driver as indices into arrays */
 465 +/* Note 21142 == 21143. */
 466 +enum chips {
 467 +       DC21040 = 0,
 468 +       DC21041 = 1,
 469 +       DC21140 = 2,
 470 +       DC21142 = 3, DC21143 = 3,
 471 +       LC82C168,
 472 +       MX98713,
 473 +       MX98715,
 474 +       MX98725,
 475 +       AX88140,
 476 +       PNIC2,
 477 +       COMET,
 478 +       COMPEX9881,
 479 +       I21145,
 480 +       DM910X,
 481 +       CONEXANT,
 482 +       ADM8668,
 483 +};
 484 +
 485 +struct tulip_platform_data {
 486 +       u8              mac[6];
 487 +       enum chips      chip_id;
 488 +};
 489 +
 490 +#endif