[ubicom32] remove target

This target is unused, does not support any off the shelf hardware and
has been a maintenance burden for quite some time now.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34430 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 0 insertions, 898 deletions

diff --git a/target/linux/ubicom32/files/drivers/net/ubi32-eth.c b/target/linux/ubicom32/files/drivers/net/ubi32-eth.c
deleted file mode 100644
index e9c62f462..000000000
--- a/target/linux/ubicom32/files/drivers/net/ubi32-eth.c
+++ /dev/null
@@ -1,766 +0,0 @@
-/*
- * drivers/net/ubi32-eth.c
- *   Ubicom32 ethernet TIO interface driver.
- *
- * (C) Copyright 2009, Ubicom, Inc.
- *
- * This file is part of the Ubicom32 Linux Kernel Port.
- *
- * The Ubicom32 Linux Kernel Port is free software: you can redistribute
- * it and/or modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 2 of the
- * License, or (at your option) any later version.
- *
- * The Ubicom32 Linux Kernel Port is distributed in the hope that it
- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Ubicom32 Linux Kernel Port.  If not,
- * see <http://www.gnu.org/licenses/>.
- *
- * Ubicom32 implementation derived from (with many thanks):
- *   arch/m68knommu
- *   arch/blackfin
- *   arch/parisc
- */
-/*
- * ubi32_eth.c
- * Ethernet driver for Ip5k/Ip7K
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/moduleparam.h>
-
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-
-#include <linux/in.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/mii.h>
-#include <linux/if_vlan.h>
-#include <linux/ip.h>
-#include <linux/tcp.h>
-#include <linux/skbuff.h>
-#include <asm/checksum.h>
-#include <asm/ip5000.h>
-#include <asm/devtree.h>
-#include <asm/system.h>
-
-#define UBICOM32_USE_NAPI	/* define this to use NAPI instead of tasklet */
-//#define UBICOM32_USE_POLLING	/* define this to use polling instead of interrupt */
-#include "ubi32-eth.h"
-
-/*
- * TODO:
- * mac address from flash
- * multicast filter
- * ethtool support
- * sysfs support
- * skb->nrfrag support
- * ioctl
- * monitor phy status
- */
-
-extern int ubi32_ocm_skbuf_max, ubi32_ocm_skbuf, ubi32_ddr_skbuf;
-static const char *eth_if_name[UBI32_ETH_NUM_OF_DEVICES] =
-	{"eth_lan", "eth_wan"};
-static struct net_device *ubi32_eth_devices[UBI32_ETH_NUM_OF_DEVICES] =
-	{NULL, NULL};
-static u8_t mac_addr[UBI32_ETH_NUM_OF_DEVICES][ETH_ALEN] = {
-	{0x00, 0x03, 0x64, 'l', 'a', 'n'},
-	{0x00, 0x03, 0x64, 'w', 'a', 'n'}};
-
-#if (defined(CONFIG_ZONE_DMA) && defined(CONFIG_UBICOM32_OCM_FOR_SKB))
-static inline struct sk_buff *ubi32_alloc_skb_ocm(struct net_device *dev, unsigned int length)
-{
-	return __dev_alloc_skb(length, GFP_ATOMIC | __GFP_NOWARN | __GFP_NORETRY | GFP_DMA);
-}
-#endif
-
-static inline struct sk_buff *ubi32_alloc_skb(struct net_device *dev, unsigned int length)
-{
-	return __dev_alloc_skb(length, GFP_ATOMIC | __GFP_NOWARN);
-}
-
-static void ubi32_eth_vp_rxtx_enable(struct net_device *dev)
-{
-	struct ubi32_eth_private *priv = netdev_priv(dev);
-	priv->regs->command = UBI32_ETH_VP_CMD_RX_ENABLE | UBI32_ETH_VP_CMD_TX_ENABLE;
-	priv->regs->int_mask = (UBI32_ETH_VP_INT_RX | UBI32_ETH_VP_INT_TX);
-	ubicom32_set_interrupt(priv->vp_int_bit);
-}
-
-static void ubi32_eth_vp_rxtx_stop(struct net_device *dev)
-{
-	struct ubi32_eth_private *priv = netdev_priv(dev);
-	priv->regs->command = 0;
-	priv->regs->int_mask = 0;
-	ubicom32_set_interrupt(priv->vp_int_bit);
-
-	/* Wait for graceful shutdown */
-	while (priv->regs->status & (UBI32_ETH_VP_STATUS_RX_STATE | UBI32_ETH_VP_STATUS_TX_STATE));
-}
-
-/*
- * ubi32_eth_tx_done()
- */
-static int ubi32_eth_tx_done(struct net_device *dev)
-{
-	struct ubi32_eth_private *priv;
-	struct sk_buff *skb;
-	volatile void *pdata;
-	struct ubi32_eth_dma_desc *desc;
-	u32_t 	count = 0;
-
-	priv = netdev_priv(dev);
-
-	priv->regs->int_status &= ~UBI32_ETH_VP_INT_TX;
-	while (priv->tx_tail != priv->regs->tx_out) {
-		pdata = priv->regs->tx_dma_ring[priv->tx_tail];
-		BUG_ON(pdata == NULL);
-
-		skb = container_of((void *)pdata, struct sk_buff, cb);
-		desc = (struct ubi32_eth_dma_desc *)pdata;
-		if (unlikely(!(desc->status & UBI32_ETH_VP_TX_OK))) {
-			dev->stats.tx_errors++;
-		} else {
-			dev->stats.tx_packets++;
-			dev->stats.tx_bytes += skb->len;
-		}
-		dev_kfree_skb_any(skb);
-		priv->regs->tx_dma_ring[priv->tx_tail] = NULL;
-		priv->tx_tail = (priv->tx_tail + 1) & TX_DMA_RING_MASK;
-		count++;
-	}
-
-	if (unlikely(priv->regs->status & UBI32_ETH_VP_STATUS_TX_Q_FULL)) {
-		spin_lock(&priv->lock);
-		if (priv->regs->status & UBI32_ETH_VP_STATUS_TX_Q_FULL) {
-			priv->regs->status &= ~UBI32_ETH_VP_STATUS_TX_Q_FULL;
-			netif_wake_queue(dev);
-		}
-		spin_unlock(&priv->lock);
-	}
-	return count;
-}
-
-/*
- * ubi32_eth_receive()
- *	To avoid locking overhead, this is called only
- *	by tasklet when not using NAPI, or
- *	by NAPI poll when using NAPI.
- *	return number of frames processed
- */
-static int ubi32_eth_receive(struct net_device *dev, int quota)
-{
-	struct ubi32_eth_private *priv = netdev_priv(dev);
-	unsigned short rx_in = priv->regs->rx_in;
-	struct sk_buff *skb;
-	struct ubi32_eth_dma_desc *desc = NULL;
-	volatile void *pdata;
-
-	int extra_reserve_adj;
-	int extra_alloc = UBI32_ETH_RESERVE_SPACE + UBI32_ETH_TRASHED_MEMORY;
-	int replenish_cnt, count = 0;
-	int replenish_max = RX_DMA_MAX_QUEUE_SIZE;
-#if (defined(CONFIG_ZONE_DMA) && defined(CONFIG_UBICOM32_OCM_FOR_SKB))
-	if (likely(dev == ubi32_eth_devices[0]))
-		replenish_max = min(ubi32_ocm_skbuf_max, RX_DMA_MAX_QUEUE_SIZE);;
-#endif
-
-	if (unlikely(rx_in == priv->regs->rx_out))
-		priv->vp_stats.rx_q_full_cnt++;
-
-	priv->regs->int_status &= ~UBI32_ETH_VP_INT_RX;
-	while (priv->rx_tail != priv->regs->rx_out) {
-		if (unlikely(count == quota)) {
-			/* There is still frame pending to be processed */
-			priv->vp_stats.rx_throttle++;
-			break;
-		}
-
-		pdata = priv->regs->rx_dma_ring[priv->rx_tail];
-		BUG_ON(pdata == NULL);
-
-		desc = (struct ubi32_eth_dma_desc *)pdata;
-		skb = container_of((void *)pdata, struct sk_buff, cb);
-		count++;
-		priv->regs->rx_dma_ring[priv->rx_tail] = NULL;
-		priv->rx_tail = ((priv->rx_tail + 1) & RX_DMA_RING_MASK);
-
-		/*
-		 * Check only RX_OK bit here.
-		 * The rest of status word is used as timestamp
-		 */
-		if (unlikely(!(desc->status & UBI32_ETH_VP_RX_OK))) {
-			dev->stats.rx_errors++;
-			dev_kfree_skb_any(skb);
-			continue;
-		}
-
-		skb_put(skb, desc->data_len);
-		skb->dev = dev;
-		skb->protocol = eth_type_trans(skb, dev);
-		skb->ip_summed = CHECKSUM_NONE;
-		dev->stats.rx_bytes += skb->len;
-		dev->stats.rx_packets++;
-#ifndef UBICOM32_USE_NAPI
-		netif_rx(skb);
-#else
-		netif_receive_skb(skb);
-#endif
-	}
-
-	/* fill in more descripor for VP*/
-	replenish_cnt =  replenish_max -
-		((RX_DMA_RING_SIZE + rx_in - priv->rx_tail) & RX_DMA_RING_MASK);
-	if (replenish_cnt > 0) {
-#if (defined(CONFIG_ZONE_DMA) && defined(CONFIG_UBICOM32_OCM_FOR_SKB))
-		/*
-		 * black magic for perforamnce:
-		 *   Try to allocate skb from OCM only for first Ethernet I/F.
-		 *   Also limit number of RX buffers to 21 due to limited OCM.
-		 */
-		if (likely(dev == ubi32_eth_devices[0])) {
-			do {
-				skb = ubi32_alloc_skb_ocm(dev, RX_BUF_SIZE + extra_alloc);
-				if (!skb) {
-					break;
-				}
-				/* set up dma descriptor */
-				ubi32_ocm_skbuf++;
-				desc = (struct ubi32_eth_dma_desc *)skb->cb;
-				extra_reserve_adj =
-					((u32)skb->data + UBI32_ETH_RESERVE_SPACE + ETH_HLEN) &
-					(CACHE_LINE_SIZE - 1);
-				skb_reserve(skb, UBI32_ETH_RESERVE_SPACE - extra_reserve_adj);
-				desc->data_pointer = skb->data;
-				desc->buffer_len = RX_BUF_SIZE + UBI32_ETH_TRASHED_MEMORY;
-				desc->data_len = 0;
-				desc->status = 0;
-				priv->regs->rx_dma_ring[rx_in] = desc;
-				rx_in = (rx_in + 1) & RX_DMA_RING_MASK;
-			} while (--replenish_cnt > 0);
-		}
-#endif
-
-		while (replenish_cnt-- > 0) {
-			skb = ubi32_alloc_skb(dev, RX_BUF_SIZE + extra_alloc);
-			if (!skb) {
-				priv->vp_stats.rx_alloc_err++;
-				break;
-			}
-			/* set up dma descriptor */
-			ubi32_ddr_skbuf++;
-			desc = (struct ubi32_eth_dma_desc *)skb->cb;
-			extra_reserve_adj =
-				((u32)skb->data + UBI32_ETH_RESERVE_SPACE + ETH_HLEN) &
-				(CACHE_LINE_SIZE - 1);
-			skb_reserve(skb, UBI32_ETH_RESERVE_SPACE - extra_reserve_adj);
-			desc->data_pointer = skb->data;
-			desc->buffer_len = RX_BUF_SIZE + UBI32_ETH_TRASHED_MEMORY;
-			desc->data_len = 0;
-			desc->status = 0;
-			priv->regs->rx_dma_ring[rx_in] = desc;
-			rx_in = (rx_in + 1) & RX_DMA_RING_MASK;
-		}
-
-		wmb();
-		priv->regs->rx_in = rx_in;
-		ubicom32_set_interrupt(priv->vp_int_bit);
-	}
-
-	if (likely(count > 0)) {
-		dev->last_rx = jiffies;
-	}
-	return count;
-}
-
-#ifdef UBICOM32_USE_NAPI
-static int ubi32_eth_napi_poll(struct napi_struct *napi, int budget)
-{
-	struct ubi32_eth_private *priv = container_of(napi, struct ubi32_eth_private, napi);
-	struct net_device *dev = priv->dev;
-	u32_t count;
-
-	if (priv->tx_tail != priv->regs->tx_out) {
-                ubi32_eth_tx_done(dev);
-        }
-
-	count = ubi32_eth_receive(dev, budget);
-
-	if (count < budget) {
-		napi_complete(napi);
-		priv->regs->int_mask |= (UBI32_ETH_VP_INT_RX | UBI32_ETH_VP_INT_TX);
-		if ((priv->rx_tail != priv->regs->rx_out) || (priv->tx_tail != priv->regs->tx_out)) {
-			if (napi_reschedule(napi)) {
-				priv->regs->int_mask = 0;
-			}
-		}
-	}
-	return count;
-}
-
-#else
-static void ubi32_eth_do_tasklet(unsigned long arg)
-{
-	struct net_device *dev = (struct net_device *)arg;
-	struct ubi32_eth_private *priv = netdev_priv(dev);
-
-	if (priv->tx_tail != priv->regs->tx_out) {
-		ubi32_eth_tx_done(dev);
-	}
-
-	/* always call receive to process new RX frame as well as replenish RX buffers */
-	ubi32_eth_receive(dev, UBI32_RX_BOUND);
-
-	priv->regs->int_mask |= (UBI32_ETH_VP_INT_RX | UBI32_ETH_VP_INT_TX);
-	if ((priv->rx_tail != priv->regs->rx_out) || (priv->tx_tail != priv->regs->tx_out)) {
-		priv->regs->int_mask = 0;
-		tasklet_schedule(&priv->tsk);
-	}
-}
-#endif
-
-#if defined(UBICOM32_USE_POLLING)
-static struct timer_list eth_poll_timer;
-
-static void ubi32_eth_poll(unsigned long arg)
-{
-	struct net_device *dev;
-	struct ubi32_eth_private *priv;
-	int i;
-
-	for (i = 0; i < UBI32_ETH_NUM_OF_DEVICES; i++) {
-		dev = ubi32_eth_devices[i];
-		if (dev && (dev->flags & IFF_UP)) {
-			priv = netdev_priv(dev);
-#ifdef UBICOM32_USE_NAPI
-			napi_schedule(&priv->napi);
-#else
-			tasklet_schedule(&priv->tsk);
-#endif
-		}
-	}
-
-	eth_poll_timer.expires = jiffies + 2;
-	add_timer(&eth_poll_timer);
-}
-
-#else
-static irqreturn_t ubi32_eth_interrupt(int irq, void *dev_id)
-{
-	struct ubi32_eth_private *priv;
-
-	struct net_device *dev = (struct net_device *)dev_id;
-	BUG_ON(irq != dev->irq);
-
-	priv = netdev_priv(dev);
-	if (unlikely(!(priv->regs->int_status & priv->regs->int_mask))) {
-		return IRQ_NONE;
-	}
-
-	/*
-	 * Disable port interrupt
-	 */
-#ifdef UBICOM32_USE_NAPI
-	if (napi_schedule_prep(&priv->napi)) {
-		priv->regs->int_mask = 0;
-		__napi_schedule(&priv->napi);
-	}
-#else
-	priv->regs->int_mask = 0;
-	tasklet_schedule(&priv->tsk);
-#endif
-	return IRQ_HANDLED;
-}
-#endif
-
-/*
- * ubi32_eth_open
- */
-static int ubi32_eth_open(struct net_device *dev)
-{
-	struct ubi32_eth_private *priv = netdev_priv(dev);
-	int err;
-
-	printk(KERN_INFO "eth open %s\n",dev->name);
-#ifndef UBICOM32_USE_POLLING
-	/* request_region() */
-	err = request_irq(dev->irq, ubi32_eth_interrupt, IRQF_DISABLED, dev->name, dev);
-	if (err) {
-		printk(KERN_WARNING "fail to request_irq %d\n",err);
-		 return -ENODEV;
-	}
-#endif
-#ifdef  UBICOM32_USE_NAPI
-	napi_enable(&priv->napi);
-#else
-	tasklet_init(&priv->tsk, ubi32_eth_do_tasklet, (unsigned long)dev);
-#endif
-
-	/* call receive to supply RX buffers */
-	ubi32_eth_receive(dev, RX_DMA_MAX_QUEUE_SIZE);
-
-	/* check phy status and call netif_carrier_on */
-	ubi32_eth_vp_rxtx_enable(dev);
-	netif_start_queue(dev);
-	return 0;
-}
-
-static int ubi32_eth_close(struct net_device *dev)
-{
-	struct ubi32_eth_private *priv = netdev_priv(dev);
-	volatile void *pdata;
-	struct sk_buff *skb;
-
-#ifndef UBICOM32_USE_POLLING
-	free_irq(dev->irq, dev);
-#endif
-	netif_stop_queue(dev); /* can't transmit any more */
-#ifdef UBICOM32_USE_NAPI
-	napi_disable(&priv->napi);
-#else
-	tasklet_kill(&priv->tsk);
-#endif
-	ubi32_eth_vp_rxtx_stop(dev);
-
-	/*
-	 * RX clean up
-	 */
-	while (priv->rx_tail != priv->regs->rx_in) {
-		pdata = priv->regs->rx_dma_ring[priv->rx_tail];
-		skb = container_of((void *)pdata, struct sk_buff, cb);
-		priv->regs->rx_dma_ring[priv->rx_tail] = NULL;
-		dev_kfree_skb_any(skb);
-		priv->rx_tail = ((priv->rx_tail + 1) & RX_DMA_RING_MASK);
-	}
-	priv->regs->rx_in = 0;
-	priv->regs->rx_out = priv->regs->rx_in;
-	priv->rx_tail = priv->regs->rx_in;
-
-	/*
-	 * TX clean up
-	 */
-	BUG_ON(priv->regs->tx_out != priv->regs->tx_in);
-	ubi32_eth_tx_done(dev);
-	BUG_ON(priv->tx_tail != priv->regs->tx_in);
-	priv->regs->tx_in = 0;
-	priv->regs->tx_out = priv->regs->tx_in;
-	priv->tx_tail = priv->regs->tx_in;
-
-	return 0;
-}
-
-/*
- * ubi32_eth_set_config
- */
-static int ubi32_eth_set_config(struct net_device *dev, struct ifmap *map)
-{
-	/* if must to down to config it */
-	printk(KERN_INFO "set_config %x\n", dev->flags);
-	if (dev->flags & IFF_UP)
-		return -EBUSY;
-
-	/* I/O and IRQ can not be changed */
-	if (map->base_addr != dev->base_addr) {
-		printk(KERN_WARNING "%s: Can't change I/O address\n", dev->name);
-		return -EOPNOTSUPP;
-	}
-
-#ifndef UBICOM32_USE_POLLING
-	if (map->irq != dev->irq) {
-		printk(KERN_WARNING "%s: Can't change IRQ\n", dev->name);
-		return -EOPNOTSUPP;
-	}
-#endif
-
-	/* ignore other fields */
-	return 0;
-}
-
-static int ubi32_eth_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-	struct ubi32_eth_private *priv = netdev_priv(dev);
-	struct ubi32_eth_dma_desc *desc = NULL;
-	unsigned short space, tx_in;
-
-	tx_in = priv->regs->tx_in;
-
-	dev->trans_start = jiffies; /* save the timestamp */
-	space = TX_DMA_RING_MASK - ((TX_DMA_RING_SIZE + tx_in - priv->tx_tail) & TX_DMA_RING_MASK);
-
-	if (unlikely(space == 0)) {
-		if (!(priv->regs->status & UBI32_ETH_VP_STATUS_TX_Q_FULL)) {
-			spin_lock(&priv->lock);
-			if (!(priv->regs->status & UBI32_ETH_VP_STATUS_TX_Q_FULL)) {
-				priv->regs->status |= UBI32_ETH_VP_STATUS_TX_Q_FULL;
-				priv->vp_stats.tx_q_full_cnt++;
-				netif_stop_queue(dev);
-			}
-			spin_unlock(&priv->lock);
-		}
-
-		/* give both HW and this driver an extra trigger */
-		priv->regs->int_mask |= UBI32_ETH_VP_INT_TX;
-#ifndef UBICOM32_USE_POLLING
-		ubicom32_set_interrupt(dev->irq);
-#endif
-		ubicom32_set_interrupt(priv->vp_int_bit);
-
-		return NETDEV_TX_BUSY;
-	}
-
-	/*still have room */
-	desc = (struct ubi32_eth_dma_desc *)skb->cb;
-	desc->data_pointer = skb->data;
-	desc->data_len = skb->len;
-	priv->regs->tx_dma_ring[tx_in] = desc;
-	tx_in = ((tx_in + 1) & TX_DMA_RING_MASK);
-	wmb();
-	priv->regs->tx_in = tx_in;
-	/* kick the HRT */
-	ubicom32_set_interrupt(priv->vp_int_bit);
-
-	return NETDEV_TX_OK;
-}
-
-/*
- * Deal with a transmit timeout.
- */
-static void ubi32_eth_tx_timeout (struct net_device *dev)
-{
-	struct ubi32_eth_private *priv = netdev_priv(dev);
-	dev->stats.tx_errors++;
-	priv->regs->int_mask |= UBI32_ETH_VP_INT_TX;
-#ifndef UBICOM32_USE_POLLING
-	ubicom32_set_interrupt(dev->irq);
-#endif
-	ubicom32_set_interrupt(priv->vp_int_bit);
-}
-
-static int ubi32_eth_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-{
-	struct ubi32_eth_private *priv = netdev_priv(dev);
-	struct mii_ioctl_data *data = if_mii(rq);
-
-	printk(KERN_INFO "ioctl %s, %d\n", dev->name, cmd);
-	switch (cmd) {
-	case SIOCGMIIPHY:
-		data->phy_id = 0;
-		break;
-
-	case SIOCGMIIREG:
-		if ((data->reg_num & 0x1F) == MII_BMCR) {
-			/* Make up MII control register value from what we know */
-			data->val_out = 0x0000
-			| ((priv->regs->status & UBI32_ETH_VP_STATUS_DUPLEX)
-					? BMCR_FULLDPLX : 0)
-			| ((priv->regs->status & UBI32_ETH_VP_STATUS_SPEED100)
-					? BMCR_SPEED100 : 0)
-			| ((priv->regs->status & UBI32_ETH_VP_STATUS_SPEED1000)
-					? BMCR_SPEED1000 : 0);
-		} else if ((data->reg_num & 0x1F) == MII_BMSR) {
-			/* Make up MII status register value from what we know */
-			data->val_out =
-			(BMSR_100FULL|BMSR_100HALF|BMSR_10FULL|BMSR_10HALF)
-			| ((priv->regs->status & UBI32_ETH_VP_STATUS_LINK)
-					? BMSR_LSTATUS : 0);
-		} else {
-			return -EIO;
-		}
-		break;
-
-	case SIOCSMIIREG:
-		return -EOPNOTSUPP;
-		break;
-
-	default:
-		return -EOPNOTSUPP;
-	}
-
-	return 0;
-}
-
-/*
- * Return statistics to the caller
- */
-static struct net_device_stats *ubi32_eth_get_stats(struct net_device *dev)
-{
-	return &dev->stats;
-}
-
-
-static int ubi32_eth_change_mtu(struct net_device *dev, int new_mtu)
-{
-	struct ubi32_eth_private *priv = netdev_priv(dev);
-	unsigned long flags;
-
-	if ((new_mtu < 68) || (new_mtu > 1500))
-		return -EINVAL;
-
-	spin_lock_irqsave(&priv->lock, flags);
-	dev->mtu = new_mtu;
-	spin_unlock_irqrestore(&priv->lock, flags);
-	printk(KERN_INFO "set mtu to %d", new_mtu);
-	return 0;
-}
-
-/*
- * ubi32_eth_cleanup: unload the module
- */
-void ubi32_eth_cleanup(void)
-{
-	struct ubi32_eth_private *priv;
-	struct net_device *dev;
-	int i;
-
-	for (i = 0; i < UBI32_ETH_NUM_OF_DEVICES; i++) {
-		dev = ubi32_eth_devices[i];
-		if (dev) {
-			priv = netdev_priv(dev);
-			kfree(priv->regs->tx_dma_ring);
-			unregister_netdev(dev);
-			free_netdev(dev);
-			ubi32_eth_devices[i] = NULL;
-		}
-	}
-}
-
-	static const struct net_device_ops ubi32_netdev_ops = {
-		.ndo_open		= ubi32_eth_open,
-		.ndo_stop		= ubi32_eth_close,
-		.ndo_start_xmit		= ubi32_eth_start_xmit,
-		.ndo_tx_timeout		= ubi32_eth_tx_timeout,
-		.ndo_do_ioctl		= ubi32_eth_ioctl,
-		.ndo_change_mtu		= ubi32_eth_change_mtu,
-		.ndo_set_config		= ubi32_eth_set_config,
-		.ndo_get_stats		= ubi32_eth_get_stats,
-		.ndo_validate_addr	= eth_validate_addr,
-		.ndo_set_mac_address	= eth_mac_addr,
-	};
-
-int ubi32_eth_init_module(void)
-{
-	struct ethtionode *eth_node;
-	struct net_device *dev;
-	struct ubi32_eth_private *priv;
-	int i, err;
-
-	/*
-	 * Device allocation.
-	 */
-	err = 0;
-	for (i = 0; i < UBI32_ETH_NUM_OF_DEVICES; i++) {
-		/*
-		 * See if the eth_vp is in the device tree.
-		 */
-		eth_node = (struct ethtionode *)devtree_find_node(eth_if_name[i]);
-		if (!eth_node) {
-			printk(KERN_INFO "%s does not exist\n", eth_if_name[i]);
-			continue;
-		}
-
-		eth_node->tx_dma_ring = (struct ubi32_eth_dma_desc **)kmalloc(
-				sizeof(struct ubi32_eth_dma_desc *) *
-				(TX_DMA_RING_SIZE + RX_DMA_RING_SIZE),
-				GFP_ATOMIC | __GFP_NOWARN | __GFP_NORETRY | GFP_DMA);
-
-		if (eth_node->tx_dma_ring == NULL) {
-			eth_node->tx_dma_ring = (struct ubi32_eth_dma_desc **)kmalloc(
-				sizeof(struct ubi32_eth_dma_desc *) *
-				(TX_DMA_RING_SIZE + RX_DMA_RING_SIZE), GFP_KERNEL);
-			printk(KERN_INFO "fail to allocate from OCM\n");
-		}
-
-		if (!eth_node->tx_dma_ring) {
-			err = -ENOMEM;
-			break;
-		}
-		eth_node->rx_dma_ring = eth_node->tx_dma_ring + TX_DMA_RING_SIZE;
-		eth_node->tx_sz = TX_DMA_RING_SIZE - 1;
-		eth_node->rx_sz = RX_DMA_RING_SIZE - 1;
-
-		dev = alloc_etherdev(sizeof(struct ubi32_eth_private));
-		if (!dev) {
-			kfree(eth_node->tx_dma_ring);
-			err = -ENOMEM;
-			break;
-		}
-		priv = netdev_priv(dev);
-		priv->dev = dev;
-
-		/*
-		 * This just fill in some default Ubicom MAC address
-		 */
-		memcpy(dev->dev_addr, mac_addr[i], ETH_ALEN);
-		memset(dev->broadcast, 0xff, ETH_ALEN);
-
-		priv->regs = eth_node;
-		priv->regs->command = 0;
-		priv->regs->int_mask = 0;
-		priv->regs->int_status = 0;
-		priv->regs->tx_out = 0;
-		priv->regs->rx_out = 0;
-		priv->regs->tx_in = 0;
-		priv->regs->rx_in = 0;
-		priv->rx_tail = 0;
-		priv->tx_tail = 0;
-
-		priv->vp_int_bit = eth_node->dn.sendirq;
-		dev->irq = eth_node->dn.recvirq;
-
-		spin_lock_init(&priv->lock);
-
-		dev->netdev_ops = &ubi32_netdev_ops;
-
-		dev->watchdog_timeo	= UBI32_ETH_VP_TX_TIMEOUT;
-#ifdef UBICOM32_USE_NAPI
-		netif_napi_add(dev, &priv->napi, ubi32_eth_napi_poll, UBI32_ETH_NAPI_WEIGHT);
-#endif
-		err = register_netdev(dev);
-		if (err) {
-			printk(KERN_WARNING "Failed to register netdev %s\n", eth_if_name[i]);
-			//release_region();
-			free_netdev(dev);
-			kfree(eth_node->tx_dma_ring);
-			break;
-		}
-
-		ubi32_eth_devices[i] = dev;
-		printk(KERN_INFO "%s vp_base:0x%p, tio_int:%d irq:%d feature:0x%lx\n",
-			dev->name, priv->regs, eth_node->dn.sendirq, dev->irq, dev->features);
-	}
-
-	if (err) {
-		ubi32_eth_cleanup();
-		return err;
-	}
-
-	if (!ubi32_eth_devices[0] && !ubi32_eth_devices[1]) {
-		return -ENODEV;
-	}
-
-#if defined(UBICOM32_USE_POLLING)
-	init_timer(&eth_poll_timer);
-	eth_poll_timer.function = ubi32_eth_poll;
-	eth_poll_timer.data = (unsigned long)0;
-	eth_poll_timer.expires = jiffies + 2;
-	add_timer(&eth_poll_timer);
-#endif
-
-	return 0;
-}
-
-module_init(ubi32_eth_init_module);
-module_exit(ubi32_eth_cleanup);
-
-MODULE_AUTHOR("Kan Yan, Greg Ren");
-MODULE_LICENSE("GPL");
diff --git a/target/linux/ubicom32/files/drivers/net/ubi32-eth.h b/target/linux/ubicom32/files/drivers/net/ubi32-eth.h
deleted file mode 100644
index c25500143..000000000
--- a/target/linux/ubicom32/files/drivers/net/ubi32-eth.h
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * drivers/net/ubi32-eth.h
- *   Ubicom32 ethernet TIO interface driver definitions.
- *
- * (C) Copyright 2009, Ubicom, Inc.
- *
- * This file is part of the Ubicom32 Linux Kernel Port.
- *
- * The Ubicom32 Linux Kernel Port is free software: you can redistribute
- * it and/or modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 2 of the
- * License, or (at your option) any later version.
- *
- * The Ubicom32 Linux Kernel Port is distributed in the hope that it
- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Ubicom32 Linux Kernel Port.  If not,
- * see <http://www.gnu.org/licenses/>.
- *
- * Ubicom32 implementation derived from (with many thanks):
- *   arch/m68knommu
- *   arch/blackfin
- *   arch/parisc
- */
-#ifndef _UBI32_ETH_H
-#define _UBI32_ETH_H
-
-#include <asm/devtree.h>
-
-#define UBI32_ETH_NUM_OF_DEVICES 2
-
-/*
- * Number of bytes trashed beyond the packet data.
- */
-#define UBI32_ETH_TRASHED_MEMORY	(CACHE_LINE_SIZE + ETH_HLEN - 1)
-
-/*
- * Linux already reserves NET_SKB_PAD bytes of headroom in each sk_buff.
- * We want to be able to reserve at least one cache line to align Ethernet
- * and IP header to cache line.
- * Note that the TIO expects a CACHE_LINE_SIZE - ETH_HLEN aligned Ethernet
- * header, while satisfies NET_IP_ALIGN (= 2) automatically.
- * (NET_SKB_PAD is 16, NET_IP_ALIGN is 2, CACHE_LINE_SIZE is 32).
- * You can add more space by making UBI32_ETH_RESERVE_EXTRA != 0.
- */
-#define UBI32_ETH_RESERVE_EXTRA (1 * CACHE_LINE_SIZE)
-#define UBI32_ETH_RESERVE_SPACE	(UBI32_ETH_RESERVE_EXTRA + CACHE_LINE_SIZE)
-
-struct ubi32_eth_dma_desc {
-	volatile void 	*data_pointer;	/* pointer to the buffer */
-	volatile u16 	buffer_len;	/* the buffer size */
-	volatile u16	data_len;	/* actual frame length */
-	volatile u32	status;		/* bit0: status to be update by VP; bit[31:1] time stamp */
-};
-
-#define TX_DMA_RING_SIZE (1<<8)
-#define TX_DMA_RING_MASK (TX_DMA_RING_SIZE - 1)
-#define RX_DMA_RING_SIZE (1<<8)
-#define RX_DMA_RING_MASK (RX_DMA_RING_SIZE - 1)
-
-#define RX_DMA_MAX_QUEUE_SIZE (RX_DMA_RING_SIZE - 1)	/* no more than (RX_DMA_RING_SIZE - 1) */
-#define RX_MAX_PKT_SIZE (ETH_DATA_LEN + ETH_HLEN + VLAN_HLEN)
-#define RX_MIN_PKT_SIZE	ETH_ZLEN
-#define RX_BUF_SIZE (RX_MAX_PKT_SIZE + VLAN_HLEN)	/* allow double VLAN tag */
-
-#define UBI32_ETH_VP_TX_TIMEOUT (10*HZ)
-
-struct ubi32_eth_vp_stats {
-	u32	rx_alloc_err;
-	u32	tx_q_full_cnt;
-	u32	rx_q_full_cnt;
-	u32	rx_throttle;
-};
-
-struct ubi32_eth_private {
-	struct net_device *dev;
-	struct ubi32_eth_vp_stats vp_stats;
-	spinlock_t lock;
-#ifdef UBICOM32_USE_NAPI
-	struct napi_struct napi;
-#else
-	struct tasklet_struct tsk;
-#endif
-	struct ethtionode *regs;
-	u16	rx_tail;
-	u16	tx_tail;
-	u32	vp_int_bit;
-};
-
-struct ethtionode {
-	struct devtree_node dn;
-	volatile u16	command;
-	volatile u16	status;
-	volatile u16	int_mask;	/* interrupt mask */
-	volatile u16	int_status;	/* interrupt mask */
-	volatile u16	tx_in;		/* owned by driver */
-	volatile u16	tx_out;		/* owned by vp */
-	volatile u16	rx_in;		/* owned by driver */
-	volatile u16	rx_out;		/* owned by vp */
-	u16		tx_sz;		/* owned by driver */
-	u16		rx_sz;		/* owned by driver */
-	struct ubi32_eth_dma_desc **tx_dma_ring;
-	struct ubi32_eth_dma_desc **rx_dma_ring;
-};
-
-#define UBI32_ETH_VP_STATUS_LINK	(1<<0)
-#define UBI32_ETH_VP_STATUS_SPEED100	(0x1<<1)
-#define UBI32_ETH_VP_STATUS_SPEED1000	(0x1<<2)
-#define UBI32_ETH_VP_STATUS_DUPLEX	(0x1<<3)
-#define UBI32_ETH_VP_STATUS_FLOW_CTRL	(0x1<<4)
-
-#define UBI32_ETH_VP_STATUS_RX_STATE	(0x1<<5)
-#define UBI32_ETH_VP_STATUS_TX_STATE	(0x1<<6)
-
-#define UBI32_ETH_VP_STATUS_TX_Q_FULL	(1<<8)
-
-#define UBI32_ETH_VP_INT_RX	(1<<0)
-#define UBI32_ETH_VP_INT_TX	(1<<1)
-
-#define UBI32_ETH_VP_CMD_RX_ENABLE	(1<<0)
-#define UBI32_ETH_VP_CMD_TX_ENABLE	(1<<1)
-
-#define UBI32_ETH_VP_RX_OK		(1<<0)
-#define UBI32_ETH_VP_TX_OK		(1<<1)
-
-#define UBI32_TX_BOUND		TX_DMA_RING_SIZE
-#define UBI32_RX_BOUND		64
-#define UBI32_ETH_NAPI_WEIGHT	64		/* for GigE */
-#endif