target/linux/adm8668/patches-3.14/005-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 @@ -204,6 +206,9 @@ 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  #ifdef CONFIG_TULIP_PCI
  39 @@ -395,6 +400,7 @@ static void tulip_up(struct net_device *
  40         i = 0;
  41         if (tp->mtable == NULL)
  42                 goto media_picked;
  43 +
  44         if (dev->if_port) {
  45                 int looking_for = tulip_media_cap[dev->if_port] & MediaIsMII ? 11 :
  46                         (dev->if_port == 12 ? 0 : dev->if_port);
  47 @@ -488,6 +494,10 @@ media_picked:
  48                 iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88);
  49                 dev->if_port = tp->mii_cnt ? 11 : 0;
  50                 tp->csr6 = 0x00040000;
  51 +       } else if (tp->chip_id == ADM8668) {
  52 +               /* Enable automatic Tx underrun recovery. */
  53 +               iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88);
  54 +               tp->csr6 = 0x00040000;
  55         } else if (tp->chip_id == AX88140) {
  56                 tp->csr6 = tp->mii_cnt ? 0x00040100 : 0x00000100;
  57         } else
  58 @@ -659,6 +669,10 @@ static void tulip_init_ring(struct net_d
  59                 mapping = pci_map_single(tp->pdev, skb->data,
  60                                          PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
  61  #endif
  62 +#ifdef CONFIG_TULIP_PLATFORM
  63 +               mapping = dma_map_single(&tp->pldev->dev, skb->data,
  64 +                                       PKT_BUF_SZ, DMA_FROM_DEVICE);
  65 +#endif
  66                 tp->rx_buffers[i].mapping = mapping;
  67                 tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */
  68                 tp->rx_ring[i].buffer1 = cpu_to_le32(mapping);
  69 @@ -695,6 +709,11 @@ tulip_start_xmit(struct sk_buff *skb, st
  70         mapping = pci_map_single(tp->pdev, skb->data,
  71                                  skb->len, PCI_DMA_TODEVICE);
  72  #endif
  73 +#ifdef CONFIG_TULIP_PLATFORM
  74 +       mapping = dma_map_single(&tp->pldev->dev, skb->data,
  75 +                                skb->len,
  76 +                                DMA_TO_DEVICE);
  77 +#endif
  78         tp->tx_buffers[entry].mapping = mapping;
  79         tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping);
  80
  81 @@ -758,6 +777,11 @@ static void tulip_clean_tx_ring(struct t
  82                                 tp->tx_buffers[entry].skb->len,
  83                                 PCI_DMA_TODEVICE);
  84  #endif
  85 +#ifdef CONFIG_TULIP_PLATFORM
  86 +               dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping,
  87 +                               tp->tx_buffers[entry].skb->len,
  88 +                               DMA_TO_DEVICE);
  89 +#endif
  90
  91                 /* Free the original skb. */
  92                 dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
  93 @@ -835,6 +859,10 @@ static void tulip_free_ring (struct net_
  94                         pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ,
  95                                          PCI_DMA_FROMDEVICE);
  96  #endif
  97 +#ifdef CONFIG_TULIP_PLATFORM
  98 +                       dma_unmap_single(&tp->pldev->dev, mapping, PKT_BUF_SZ,
  99 +                                       DMA_FROM_DEVICE);
 100 +#endif
 101                         dev_kfree_skb (skb);
 102                 }
 103         }
 104 @@ -847,6 +875,10 @@ static void tulip_free_ring (struct net_
 105                         pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping,
 106                                          skb->len, PCI_DMA_TODEVICE);
 107  #endif
 108 +#ifdef CONFIG_TULIP_PLATFORM
 109 +                       dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[i].mapping,
 110 +                                        skb->len, DMA_TO_DEVICE);
 111 +#endif
 112                         dev_kfree_skb (skb);
 113                 }
 114                 tp->tx_buffers[i].skb = NULL;
 115 @@ -901,6 +933,9 @@ static void tulip_get_drvinfo(struct net
 116  #ifdef CONFIG_TULIP_PCI
 117         strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info));
 118  #endif
 119 +#ifdef CONFIG_TULIP_PLATFORM
 120 +       strlcpy(info->bus_info, "platform", sizeof(info->bus_info));
 121 +#endif
 122  }
 123
 124
 125 @@ -916,6 +951,9 @@ static int tulip_ethtool_set_wol(struct
 126  #ifdef CONFIG_TULIP_PCI
 127         device_set_wakeup_enable(tp->kdev, tp->wolinfo.wolopts);
 128  #endif
 129 +#ifdef CONFIG_TULIP_PLATFORM
 130 +       device_set_wakeup_enable(&tp->pldev->dev, tp->wolinfo.wolopts);
 131 +#endif
 132         return 0;
 133  }
 134
 135 @@ -1191,9 +1229,9 @@ static void set_rx_mode(struct net_devic
 136
 137                         }
 138
 139 +#ifdef CONFIG_TULIP_PCI
 140                         tp->tx_buffers[entry].skb = NULL;
 141                         tp->tx_buffers[entry].mapping =
 142 -#ifdef CONFIG_TULIP_PCI
 143                                 pci_map_single(tp->pdev, tp->setup_frame,
 144                                                sizeof(tp->setup_frame),
 145                                                PCI_DMA_TODEVICE);
 146 @@ -1217,6 +1255,9 @@ static void set_rx_mode(struct net_devic
 147                 spin_unlock_irqrestore(&tp->lock, flags);
 148         }
 149
 150 +       if (tp->chip_id == ADM8668)
 151 +               csr6 |= (1 << 9);       /* force 100Mbps full duplex */
 152 +
 153         iowrite32(csr6, ioaddr + CSR6);
 154  }
 155
 156 @@ -1983,6 +2024,126 @@ static void tulip_remove_one(struct pci_
 157  }
 158  #endif /* CONFIG_TULIP_PCI */
 159
 160 +#ifdef CONFIG_TULIP_PLATFORM
 161 +static int tulip_probe(struct platform_device *pdev)
 162 +{
 163 +       struct tulip_private *tp;
 164 +       struct tulip_platform_data *pdata;
 165 +       struct net_device *dev;
 166 +       struct resource *res;
 167 +       void __iomem *ioaddr;
 168 +       int irq;
 169 +
 170 +       if (pdev->id < 0 || pdev->id >= MAX_UNITS)
 171 +               return -EINVAL;
 172 +
 173 +       if (!(res = platform_get_resource(pdev, IORESOURCE_IRQ, 0)))
 174 +               return -ENODEV;
 175 +       irq = res->start;
 176 +       if (!(res = platform_get_resource(pdev, IORESOURCE_MEM, 0)))
 177 +               return -ENODEV;
 178 +       if (!(ioaddr = ioremap(res->start, res->end - res->start)))
 179 +               return -ENODEV;
 180 +
 181 +       pdata = pdev->dev.platform_data;
 182 +       if (!pdata)
 183 +               return -ENODEV;
 184 +
 185 +       if (!(dev = alloc_etherdev(sizeof (*tp))))
 186 +               return -ENOMEM;
 187 +
 188 +       /* setup net dev */
 189 +       dev->base_addr = (unsigned long)res->start;
 190 +       dev->irq = irq;
 191 +       SET_NETDEV_DEV(dev, &pdev->dev);
 192 +
 193 +       /* tulip private struct */
 194 +       tp = netdev_priv(dev);
 195 +       tp->dev = dev;
 196 +       tp->base_addr = ioaddr;
 197 +       tp->csr0 = 0;
 198 +       tp->pldev = pdev;
 199 +       tp->kdev = &pdev->dev;
 200 +       tp->irq = irq;
 201 +       tp->rx_ring = dma_alloc_coherent(&pdev->dev,
 202 +                               sizeof(struct tulip_rx_desc) * RX_RING_SIZE +
 203 +                               sizeof(struct tulip_tx_desc) * TX_RING_SIZE,
 204 +                               &tp->rx_ring_dma, GFP_KERNEL);
 205 +       if (!tp->rx_ring)
 206 +               return -ENODEV;
 207 +       tp->tx_ring = (struct tulip_tx_desc *)(tp->rx_ring + RX_RING_SIZE);
 208 +       tp->tx_ring_dma = tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * RX_RING_SIZE;
 209 +
 210 +       tp->chip_id = pdata->chip_id;
 211 +       tp->flags = tulip_tbl[tp->chip_id].flags;
 212 +
 213 +       spin_lock_init(&tp->lock);
 214 +       spin_lock_init(&tp->mii_lock);
 215 +
 216 +       init_timer(&tp->timer);
 217 +       tp->timer.data = (unsigned long)dev;
 218 +       tp->timer.function = tulip_tbl[tp->chip_id].media_timer;
 219 +
 220 +       INIT_WORK(&tp->media_work, tulip_tbl[tp->chip_id].media_task);
 221 +
 222 +       /* Stop the chip's Tx and Rx processes. */
 223 +       tulip_stop_rxtx(tp);
 224 +
 225 +       /* Clear the missed-packet counter. */
 226 +       ioread32(ioaddr + CSR8);
 227 +
 228 +       if (!is_valid_ether_addr(pdata->mac)) {
 229 +               dev_info(&pdev->dev, "generating random ethernet MAC\n");
 230 +               random_ether_addr(dev->dev_addr);
 231 +       } else
 232 +               memcpy(dev->dev_addr, pdata->mac, ETH_ALEN);
 233 +
 234 +       /* The Tulip-specific entries in the device structure. */
 235 +       dev->netdev_ops = &tulip_netdev_ops;
 236 +       dev->watchdog_timeo = TX_TIMEOUT;
 237 +       netif_napi_add(dev, &tp->napi, tulip_poll, 16);
 238 +       SET_ETHTOOL_OPS(dev, &ops);
 239 +
 240 +       if (register_netdev(dev))
 241 +               goto err_out_free_ring;
 242 +
 243 +       dev_info(&dev->dev,
 244 +                "tulip_platform (%s) at MMIO %#lx %pM, IRQ %d\n",
 245 +                tulip_tbl[tp->chip_id].chip_name,
 246 +                (unsigned long)dev->base_addr, dev->dev_addr, irq);
 247 +
 248 +       platform_set_drvdata(pdev, dev);
 249 +       return 0;
 250 +
 251 +err_out_free_ring:
 252 +       dma_free_coherent(&pdev->dev,
 253 +                    sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
 254 +                    sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
 255 +                    tp->rx_ring, tp->rx_ring_dma);
 256 +       return -ENODEV;
 257 +}
 258 +
 259 +static int tulip_remove(struct platform_device *pdev)
 260 +{
 261 +       struct net_device *dev = platform_get_drvdata (pdev);
 262 +       struct tulip_private *tp;
 263 +
 264 +       if (!dev)
 265 +               return -ENODEV;
 266 +
 267 +       tp = netdev_priv(dev);
 268 +       unregister_netdev(dev);
 269 +       dma_free_coherent(&pdev->dev,
 270 +                            sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
 271 +                            sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
 272 +                            tp->rx_ring, tp->rx_ring_dma);
 273 +       iounmap(tp->base_addr);
 274 +       free_netdev(dev);
 275 +       platform_set_drvdata(pdev, NULL);
 276 +       return 0;
 277 +}
 278 +#endif
 279 +
 280  #ifdef CONFIG_NET_POLL_CONTROLLER
 281  /*
 282   * Polling 'interrupt' - used by things like netconsole to send skbs
 283 @@ -2016,6 +2177,17 @@ static struct pci_driver tulip_pci_drive
 284  };
 285  #endif
 286
 287 +#ifdef CONFIG_TULIP_PLATFORM
 288 +static struct platform_driver tulip_platform_driver = {
 289 +       .probe = tulip_probe,
 290 +       .remove = tulip_remove,
 291 +       .driver = {
 292 +               .owner = THIS_MODULE,
 293 +               .name = DRV_NAME,
 294 +       },
 295 +};
 296 +#endif
 297 +
 298
 299  static int __init tulip_init (void)
 300  {
 301 @@ -2032,6 +2204,9 @@ static int __init tulip_init (void)
 302  #ifdef CONFIG_TULIP_PCI
 303         ret = pci_register_driver(&tulip_pci_driver);
 304  #endif
 305 +#ifdef CONFIG_TULIP_PLATFORM
 306 +       ret = platform_driver_register(&tulip_platform_driver);
 307 +#endif
 308         return ret;
 309  }
 310
 311 @@ -2041,6 +2216,9 @@ static void __exit tulip_cleanup (void)
 312  #ifdef CONFIG_TULIP_PCI
 313         pci_unregister_driver (&tulip_pci_driver);
 314  #endif
 315 +#ifdef CONFIG_TULIP_PLATFORM
 316 +       platform_driver_unregister (&tulip_platform_driver);
 317 +#endif
 318  }
 319
 320
 321 --- a/drivers/net/ethernet/dec/tulip/tulip.h
 322 +++ b/drivers/net/ethernet/dec/tulip/tulip.h
 323 @@ -21,6 +21,8 @@
 324  #include <linux/timer.h>
 325  #include <linux/delay.h>
 326  #include <linux/pci.h>
 327 +#include <linux/platform_device.h>
 328 +#include <linux/platform_data/tulip.h>
 329  #include <asm/io.h>
 330  #include <asm/irq.h>
 331  #include <asm/unaligned.h>
 332 @@ -69,28 +71,6 @@ enum tbl_flag {
 333  };
 334
 335
 336 -/* chip types.  careful!  order is VERY IMPORTANT here, as these
 337 - * are used throughout the driver as indices into arrays */
 338 -/* Note 21142 == 21143. */
 339 -enum chips {
 340 -       DC21040 = 0,
 341 -       DC21041 = 1,
 342 -       DC21140 = 2,
 343 -       DC21142 = 3, DC21143 = 3,
 344 -       LC82C168,
 345 -       MX98713,
 346 -       MX98715,
 347 -       MX98725,
 348 -       AX88140,
 349 -       PNIC2,
 350 -       COMET,
 351 -       COMPEX9881,
 352 -       I21145,
 353 -       DM910X,
 354 -       CONEXANT,
 355 -};
 356 -
 357 -
 358  enum MediaIs {
 359         MediaIsFD = 1,
 360         MediaAlwaysFD = 2,
 361 @@ -446,7 +426,12 @@ struct tulip_private {
 362         struct mediatable *mtable;
 363         int cur_index;          /* Current media index. */
 364         int saved_if_port;
 365 +#ifdef CONFIG_TULIP_PCI
 366         struct pci_dev *pdev;
 367 +#endif
 368 +#ifdef CONFIG_TULIP_PLATFORM
 369 +       struct platform_device *pldev;
 370 +#endif
 371         struct device *kdev;
 372         int irq;
 373         int ttimer;
 374 --- a/drivers/net/ethernet/dec/tulip/interrupt.c
 375 +++ b/drivers/net/ethernet/dec/tulip/interrupt.c
 376 @@ -77,6 +77,10 @@ int tulip_refill_rx(struct net_device *d
 377                         mapping = pci_map_single(tp->pdev, skb->data, PKT_BUF_SZ,
 378                                                  PCI_DMA_FROMDEVICE);
 379  #endif
 380 +#ifdef CONFIG_TULIP_PLATFORM
 381 +                       mapping = dma_map_single(&tp->pldev->dev, skb->data, PKT_BUF_SZ,
 382 +                                                DMA_FROM_DEVICE);
 383 +#endif
 384                         if (dma_mapping_error(tp->kdev, mapping)) {
 385                                 dev_kfree_skb(skb);
 386                                 tp->rx_buffers[entry].skb = NULL;
 387 @@ -204,8 +208,7 @@ int tulip_poll(struct napi_struct *napi,
 388                                                 dev->stats.rx_fifo_errors++;
 389                                 }
 390                         } else {
 391 -                               struct sk_buff *skb;
 392 -
 393 +                               struct sk_buff *skb;
 394                                 /* Check if the packet is long enough to accept without copying
 395                                    to a minimally-sized skbuff. */
 396                                 if (pkt_len < tulip_rx_copybreak &&
 397 @@ -248,6 +251,10 @@ int tulip_poll(struct napi_struct *napi,
 398                                         pci_unmap_single(tp->pdev, tp->rx_buffers[entry].mapping,
 399                                                          PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
 400  #endif
 401 +#ifdef CONFIG_TULIP_PLATFORM
 402 +                                      dma_unmap_single(&tp->pldev->dev, tp->rx_buffers[entry].mapping,
 403 +                                                      PKT_BUF_SZ, DMA_FROM_DEVICE);
 404 +#endif
 405
 406                                         tp->rx_buffers[entry].skb = NULL;
 407                                         tp->rx_buffers[entry].mapping = 0;
 408 @@ -641,6 +648,11 @@ irqreturn_t tulip_interrupt(int irq, voi
 409                                                  tp->tx_buffers[entry].skb->len,
 410                                                  PCI_DMA_TODEVICE);
 411  #endif
 412 +#ifdef CONFIG_TULIP_PLATFORM
 413 +                               dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping,
 414 +                                                tp->tx_buffers[entry].skb->len,
 415 +                                                DMA_TO_DEVICE);
 416 +#endif
 417
 418                                 /* Free the original skb. */
 419                                 dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
 420 --- /dev/null
 421 +++ b/include/linux/platform_data/tulip.h
 422 @@ -0,0 +1,31 @@
 423 +#ifndef _LINUX_TULIP_PDATA_H
 424 +#define _LINUX_TULIP_PDATA_H
 425 +
 426 +/* chip types.  careful!  order is VERY IMPORTANT here, as these
 427 + * are used throughout the driver as indices into arrays */
 428 +/* Note 21142 == 21143. */
 429 +enum chips {
 430 +       DC21040 = 0,
 431 +       DC21041 = 1,
 432 +       DC21140 = 2,
 433 +       DC21142 = 3, DC21143 = 3,
 434 +       LC82C168,
 435 +       MX98713,
 436 +       MX98715,
 437 +       MX98725,
 438 +       AX88140,
 439 +       PNIC2,
 440 +       COMET,
 441 +       COMPEX9881,
 442 +       I21145,
 443 +       DM910X,
 444 +       CONEXANT,
 445 +       ADM8668,
 446 +};
 447 +
 448 +struct tulip_platform_data {
 449 +       u8              mac[6];
 450 +       enum chips      chip_id;
 451 +};
 452 +
 453 +#endif