--- /dev/null
+--- a/drivers/net/ethernet/dec/tulip/Kconfig
++++ b/drivers/net/ethernet/dec/tulip/Kconfig
+@@ -60,6 +60,14 @@ config TULIP_PCI
+ To compile this driver as a module, choose M here. The module will
+ be called tulip.
+
++config TULIP_PLATFORM
++ tristate "DECchip Tulip (dc2114x) Platform support"
++ depends on HAS_IOMEM
++ select TULIP
++ select CRC32
++ ---help---
++ This driver is for the platform variant.
++
+ config TULIP_MWI
+ bool "New bus configuration"
+ depends on TULIP_PCI
+--- a/drivers/net/ethernet/dec/tulip/tulip_core.c
++++ b/drivers/net/ethernet/dec/tulip/tulip_core.c
+@@ -27,6 +27,8 @@
+ #include <linux/init.h>
+ #include <linux/interrupt.h>
+ #include <linux/etherdevice.h>
++#include <linux/platform_device.h>
++#include <linux/platform_data/tulip.h>
+ #include <linux/delay.h>
+ #include <linux/mii.h>
+ #include <linux/crc32.h>
+@@ -204,6 +206,9 @@ struct tulip_chip_table tulip_tbl[] = {
+ { "Conexant LANfinity", 256, 0x0001ebef,
+ HAS_MII | HAS_ACPI, tulip_timer, tulip_media_task },
+
++ { "Infineon ADM8668", 256, 0x0001a451,
++ MC_HASH_ONLY | COMET_MAC_ADDR, tulip_timer, tulip_media_task, },
++
+ };
+
+ #ifdef CONFIG_TULIP_PCI
+@@ -395,6 +400,7 @@ static void tulip_up(struct net_device *
+ i = 0;
+ if (tp->mtable == NULL)
+ goto media_picked;
++
+ if (dev->if_port) {
+ int looking_for = tulip_media_cap[dev->if_port] & MediaIsMII ? 11 :
+ (dev->if_port == 12 ? 0 : dev->if_port);
+@@ -488,6 +494,10 @@ media_picked:
+ iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88);
+ dev->if_port = tp->mii_cnt ? 11 : 0;
+ tp->csr6 = 0x00040000;
++ } else if (tp->chip_id == ADM8668) {
++ /* Enable automatic Tx underrun recovery. */
++ iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88);
++ tp->csr6 = 0x00040000;
+ } else if (tp->chip_id == AX88140) {
+ tp->csr6 = tp->mii_cnt ? 0x00040100 : 0x00000100;
+ } else
+@@ -659,6 +669,10 @@ static void tulip_init_ring(struct net_d
+ mapping = pci_map_single(tp->pdev, skb->data,
+ PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
+ #endif
++#ifdef CONFIG_TULIP_PLATFORM
++ mapping = dma_map_single(&tp->pldev->dev, skb->data,
++ PKT_BUF_SZ, DMA_FROM_DEVICE);
++#endif
+ tp->rx_buffers[i].mapping = mapping;
+ tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */
+ tp->rx_ring[i].buffer1 = cpu_to_le32(mapping);
+@@ -695,6 +709,11 @@ tulip_start_xmit(struct sk_buff *skb, st
+ mapping = pci_map_single(tp->pdev, skb->data,
+ skb->len, PCI_DMA_TODEVICE);
+ #endif
++#ifdef CONFIG_TULIP_PLATFORM
++ mapping = dma_map_single(&tp->pldev->dev, skb->data,
++ skb->len,
++ DMA_TO_DEVICE);
++#endif
+ tp->tx_buffers[entry].mapping = mapping;
+ tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping);
+
+@@ -758,6 +777,11 @@ static void tulip_clean_tx_ring(struct t
+ tp->tx_buffers[entry].skb->len,
+ PCI_DMA_TODEVICE);
+ #endif
++#ifdef CONFIG_TULIP_PLATFORM
++ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping,
++ tp->tx_buffers[entry].skb->len,
++ DMA_TO_DEVICE);
++#endif
+
+ /* Free the original skb. */
+ dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
+@@ -835,6 +859,10 @@ static void tulip_free_ring (struct net_
+ pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ,
+ PCI_DMA_FROMDEVICE);
+ #endif
++#ifdef CONFIG_TULIP_PLATFORM
++ dma_unmap_single(&tp->pldev->dev, mapping, PKT_BUF_SZ,
++ DMA_FROM_DEVICE);
++#endif
+ dev_kfree_skb (skb);
+ }
+ }
+@@ -847,6 +875,10 @@ static void tulip_free_ring (struct net_
+ pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping,
+ skb->len, PCI_DMA_TODEVICE);
+ #endif
++#ifdef CONFIG_TULIP_PLATFORM
++ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[i].mapping,
++ skb->len, DMA_TO_DEVICE);
++#endif
+ dev_kfree_skb (skb);
+ }
+ tp->tx_buffers[i].skb = NULL;
+@@ -901,6 +933,9 @@ static void tulip_get_drvinfo(struct net
+ #ifdef CONFIG_TULIP_PCI
+ strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info));
+ #endif
++#ifdef CONFIG_TULIP_PLATFORM
++ strlcpy(info->bus_info, "platform", sizeof(info->bus_info));
++#endif
+ }
+
+
+@@ -916,6 +951,9 @@ static int tulip_ethtool_set_wol(struct
+ #ifdef CONFIG_TULIP_PCI
+ device_set_wakeup_enable(tp->kdev, tp->wolinfo.wolopts);
+ #endif
++#ifdef CONFIG_TULIP_PLATFORM
++ device_set_wakeup_enable(&tp->pldev->dev, tp->wolinfo.wolopts);
++#endif
+ return 0;
+ }
+
+@@ -1191,9 +1229,9 @@ static void set_rx_mode(struct net_devic
+
+ }
+
++#ifdef CONFIG_TULIP_PCI
+ tp->tx_buffers[entry].skb = NULL;
+ tp->tx_buffers[entry].mapping =
+-#ifdef CONFIG_TULIP_PCI
+ pci_map_single(tp->pdev, tp->setup_frame,
+ sizeof(tp->setup_frame),
+ PCI_DMA_TODEVICE);
+@@ -1217,6 +1255,9 @@ static void set_rx_mode(struct net_devic
+ spin_unlock_irqrestore(&tp->lock, flags);
+ }
+
++ if (tp->chip_id == ADM8668)
++ csr6 |= (1 << 9); /* force 100Mbps full duplex */
++
+ iowrite32(csr6, ioaddr + CSR6);
+ }
+
+@@ -1983,6 +2024,126 @@ static void tulip_remove_one(struct pci_
+ }
+ #endif /* CONFIG_TULIP_PCI */
+
++#ifdef CONFIG_TULIP_PLATFORM
++static int tulip_probe(struct platform_device *pdev)
++{
++ struct tulip_private *tp;
++ struct tulip_platform_data *pdata;
++ struct net_device *dev;
++ struct resource *res;
++ void __iomem *ioaddr;
++ int irq;
++
++ if (pdev->id < 0 || pdev->id >= MAX_UNITS)
++ return -EINVAL;
++
++ if (!(res = platform_get_resource(pdev, IORESOURCE_IRQ, 0)))
++ return -ENODEV;
++ irq = res->start;
++ if (!(res = platform_get_resource(pdev, IORESOURCE_MEM, 0)))
++ return -ENODEV;
++ if (!(ioaddr = ioremap(res->start, res->end - res->start)))
++ return -ENODEV;
++
++ pdata = pdev->dev.platform_data;
++ if (!pdata)
++ return -ENODEV;
++
++ if (!(dev = alloc_etherdev(sizeof (*tp))))
++ return -ENOMEM;
++
++ /* setup net dev */
++ dev->base_addr = (unsigned long)res->start;
++ dev->irq = irq;
++ SET_NETDEV_DEV(dev, &pdev->dev);
++
++ /* tulip private struct */
++ tp = netdev_priv(dev);
++ tp->dev = dev;
++ tp->base_addr = ioaddr;
++ tp->csr0 = 0;
++ tp->pldev = pdev;
++ tp->kdev = &pdev->dev;
++ tp->irq = irq;
++ tp->rx_ring = dma_alloc_coherent(&pdev->dev,
++ sizeof(struct tulip_rx_desc) * RX_RING_SIZE +
++ sizeof(struct tulip_tx_desc) * TX_RING_SIZE,
++ &tp->rx_ring_dma, GFP_KERNEL);
++ if (!tp->rx_ring)
++ return -ENODEV;
++ tp->tx_ring = (struct tulip_tx_desc *)(tp->rx_ring + RX_RING_SIZE);
++ tp->tx_ring_dma = tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * RX_RING_SIZE;
++
++ tp->chip_id = pdata->chip_id;
++ tp->flags = tulip_tbl[tp->chip_id].flags;
++
++ spin_lock_init(&tp->lock);
++ spin_lock_init(&tp->mii_lock);
++
++ init_timer(&tp->timer);
++ tp->timer.data = (unsigned long)dev;
++ tp->timer.function = tulip_tbl[tp->chip_id].media_timer;
++
++ INIT_WORK(&tp->media_work, tulip_tbl[tp->chip_id].media_task);
++
++ /* Stop the chip's Tx and Rx processes. */
++ tulip_stop_rxtx(tp);
++
++ /* Clear the missed-packet counter. */
++ ioread32(ioaddr + CSR8);
++
++ if (!is_valid_ether_addr(pdata->mac)) {
++ dev_info(&pdev->dev, "generating random ethernet MAC\n");
++ random_ether_addr(dev->dev_addr);
++ } else
++ memcpy(dev->dev_addr, pdata->mac, ETH_ALEN);
++
++ /* The Tulip-specific entries in the device structure. */
++ dev->netdev_ops = &tulip_netdev_ops;
++ dev->watchdog_timeo = TX_TIMEOUT;
++ netif_napi_add(dev, &tp->napi, tulip_poll, 16);
++ SET_ETHTOOL_OPS(dev, &ops);
++
++ if (register_netdev(dev))
++ goto err_out_free_ring;
++
++ dev_info(&dev->dev,
++ "tulip_platform (%s) at MMIO %#lx %pM, IRQ %d\n",
++ tulip_tbl[tp->chip_id].chip_name,
++ (unsigned long)dev->base_addr, dev->dev_addr, irq);
++
++ platform_set_drvdata(pdev, dev);
++ return 0;
++
++err_out_free_ring:
++ dma_free_coherent(&pdev->dev,
++ sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
++ sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
++ tp->rx_ring, tp->rx_ring_dma);
++ return -ENODEV;
++}
++
++static int tulip_remove(struct platform_device *pdev)
++{
++ struct net_device *dev = platform_get_drvdata (pdev);
++ struct tulip_private *tp;
++
++ if (!dev)
++ return -ENODEV;
++
++ tp = netdev_priv(dev);
++ unregister_netdev(dev);
++ dma_free_coherent(&pdev->dev,
++ sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
++ sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
++ tp->rx_ring, tp->rx_ring_dma);
++ iounmap(tp->base_addr);
++ free_netdev(dev);
++ platform_set_drvdata(pdev, NULL);
++ return 0;
++}
++#endif
++
+ #ifdef CONFIG_NET_POLL_CONTROLLER
+ /*
+ * Polling 'interrupt' - used by things like netconsole to send skbs
+@@ -2016,6 +2177,17 @@ static struct pci_driver tulip_pci_drive
+ };
+ #endif
+
++#ifdef CONFIG_TULIP_PLATFORM
++static struct platform_driver tulip_platform_driver = {
++ .probe = tulip_probe,
++ .remove = tulip_remove,
++ .driver = {
++ .owner = THIS_MODULE,
++ .name = DRV_NAME,
++ },
++};
++#endif
++
+
+ static int __init tulip_init (void)
+ {
+@@ -2032,6 +2204,9 @@ static int __init tulip_init (void)
+ #ifdef CONFIG_TULIP_PCI
+ ret = pci_register_driver(&tulip_pci_driver);
+ #endif
++#ifdef CONFIG_TULIP_PLATFORM
++ ret = platform_driver_register(&tulip_platform_driver);
++#endif
+ return ret;
+ }
+
+@@ -2041,6 +2216,9 @@ static void __exit tulip_cleanup (void)
+ #ifdef CONFIG_TULIP_PCI
+ pci_unregister_driver (&tulip_pci_driver);
+ #endif
++#ifdef CONFIG_TULIP_PLATFORM
++ platform_driver_unregister (&tulip_platform_driver);
++#endif
+ }
+
+
+--- a/drivers/net/ethernet/dec/tulip/tulip.h
++++ b/drivers/net/ethernet/dec/tulip/tulip.h
+@@ -21,6 +21,8 @@
+ #include <linux/timer.h>
+ #include <linux/delay.h>
+ #include <linux/pci.h>
++#include <linux/platform_device.h>
++#include <linux/platform_data/tulip.h>
+ #include <asm/io.h>
+ #include <asm/irq.h>
+ #include <asm/unaligned.h>
+@@ -69,28 +71,6 @@ enum tbl_flag {
+ };
+
+
+-/* chip types. careful! order is VERY IMPORTANT here, as these
+- * are used throughout the driver as indices into arrays */
+-/* Note 21142 == 21143. */
+-enum chips {
+- DC21040 = 0,
+- DC21041 = 1,
+- DC21140 = 2,
+- DC21142 = 3, DC21143 = 3,
+- LC82C168,
+- MX98713,
+- MX98715,
+- MX98725,
+- AX88140,
+- PNIC2,
+- COMET,
+- COMPEX9881,
+- I21145,
+- DM910X,
+- CONEXANT,
+-};
+-
+-
+ enum MediaIs {
+ MediaIsFD = 1,
+ MediaAlwaysFD = 2,
+@@ -446,7 +426,12 @@ struct tulip_private {
+ struct mediatable *mtable;
+ int cur_index; /* Current media index. */
+ int saved_if_port;
++#ifdef CONFIG_TULIP_PCI
+ struct pci_dev *pdev;
++#endif
++#ifdef CONFIG_TULIP_PLATFORM
++ struct platform_device *pldev;
++#endif
+ struct device *kdev;
+ int irq;
+ int ttimer;
+--- a/drivers/net/ethernet/dec/tulip/interrupt.c
++++ b/drivers/net/ethernet/dec/tulip/interrupt.c
+@@ -77,6 +77,10 @@ int tulip_refill_rx(struct net_device *d
+ mapping = pci_map_single(tp->pdev, skb->data, PKT_BUF_SZ,
+ PCI_DMA_FROMDEVICE);
+ #endif
++#ifdef CONFIG_TULIP_PLATFORM
++ mapping = dma_map_single(&tp->pldev->dev, skb->data, PKT_BUF_SZ,
++ DMA_FROM_DEVICE);
++#endif
+ if (dma_mapping_error(tp->kdev, mapping)) {
+ dev_kfree_skb(skb);
+ tp->rx_buffers[entry].skb = NULL;
+@@ -204,8 +208,7 @@ int tulip_poll(struct napi_struct *napi,
+ dev->stats.rx_fifo_errors++;
+ }
+ } else {
+- struct sk_buff *skb;
+-
++ struct sk_buff *skb;
+ /* Check if the packet is long enough to accept without copying
+ to a minimally-sized skbuff. */
+ if (pkt_len < tulip_rx_copybreak &&
+@@ -248,6 +251,10 @@ int tulip_poll(struct napi_struct *napi,
+ pci_unmap_single(tp->pdev, tp->rx_buffers[entry].mapping,
+ PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
+ #endif
++#ifdef CONFIG_TULIP_PLATFORM
++ dma_unmap_single(&tp->pldev->dev, tp->rx_buffers[entry].mapping,
++ PKT_BUF_SZ, DMA_FROM_DEVICE);
++#endif
+
+ tp->rx_buffers[entry].skb = NULL;
+ tp->rx_buffers[entry].mapping = 0;
+@@ -641,6 +648,11 @@ irqreturn_t tulip_interrupt(int irq, voi
+ tp->tx_buffers[entry].skb->len,
+ PCI_DMA_TODEVICE);
+ #endif
++#ifdef CONFIG_TULIP_PLATFORM
++ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping,
++ tp->tx_buffers[entry].skb->len,
++ DMA_TO_DEVICE);
++#endif
+
+ /* Free the original skb. */
+ dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
+--- /dev/null
++++ b/include/linux/platform_data/tulip.h
+@@ -0,0 +1,31 @@
++#ifndef _LINUX_TULIP_PDATA_H
++#define _LINUX_TULIP_PDATA_H
++
++/* chip types. careful! order is VERY IMPORTANT here, as these
++ * are used throughout the driver as indices into arrays */
++/* Note 21142 == 21143. */
++enum chips {
++ DC21040 = 0,
++ DC21041 = 1,
++ DC21140 = 2,
++ DC21142 = 3, DC21143 = 3,
++ LC82C168,
++ MX98713,
++ MX98715,
++ MX98725,
++ AX88140,
++ PNIC2,
++ COMET,
++ COMPEX9881,
++ I21145,
++ DM910X,
++ CONEXANT,
++ ADM8668,
++};
++
++struct tulip_platform_data {
++ u8 mac[6];
++ enum chips chip_id;
++};
++
++#endif
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