dnet: Move the Dave Ethernet driver

Move the Dave Ethernet driver into drivers/net/ethernet/ and
make the necessary Kconfig and Makefile changes.

CC: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 0 insertions, 996 deletions

diff --git a/drivers/net/dnet.c b/drivers/net/dnet.c
deleted file mode 100644
index c1063d1540c2..000000000000
--- a/drivers/net/dnet.c
+++ /dev/null
@@ -1,996 +0,0 @@
-/*
- * Dave DNET Ethernet Controller driver
- *
- * Copyright (C) 2008 Dave S.r.l. <www.dave.eu>
- * Copyright (C) 2009 Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/io.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/dma-mapping.h>
-#include <linux/platform_device.h>
-#include <linux/phy.h>
-
-#include "dnet.h"
-
-#undef DEBUG
-
-/* function for reading internal MAC register */
-static u16 dnet_readw_mac(struct dnet *bp, u16 reg)
-{
-	u16 data_read;
-
-	/* issue a read */
-	dnet_writel(bp, reg, MACREG_ADDR);
-
-	/* since a read/write op to the MAC is very slow,
-	 * we must wait before reading the data */
-	ndelay(500);
-
-	/* read data read from the MAC register */
-	data_read = dnet_readl(bp, MACREG_DATA);
-
-	/* all done */
-	return data_read;
-}
-
-/* function for writing internal MAC register */
-static void dnet_writew_mac(struct dnet *bp, u16 reg, u16 val)
-{
-	/* load data to write */
-	dnet_writel(bp, val, MACREG_DATA);
-
-	/* issue a write */
-	dnet_writel(bp, reg | DNET_INTERNAL_WRITE, MACREG_ADDR);
-
-	/* since a read/write op to the MAC is very slow,
-	 * we must wait before exiting */
-	ndelay(500);
-}
-
-static void __dnet_set_hwaddr(struct dnet *bp)
-{
-	u16 tmp;
-
-	tmp = be16_to_cpup((__be16 *)bp->dev->dev_addr);
-	dnet_writew_mac(bp, DNET_INTERNAL_MAC_ADDR_0_REG, tmp);
-	tmp = be16_to_cpup((__be16 *)(bp->dev->dev_addr + 2));
-	dnet_writew_mac(bp, DNET_INTERNAL_MAC_ADDR_1_REG, tmp);
-	tmp = be16_to_cpup((__be16 *)(bp->dev->dev_addr + 4));
-	dnet_writew_mac(bp, DNET_INTERNAL_MAC_ADDR_2_REG, tmp);
-}
-
-static void __devinit dnet_get_hwaddr(struct dnet *bp)
-{
-	u16 tmp;
-	u8 addr[6];
-
-	/*
-	 * from MAC docs:
-	 * "Note that the MAC address is stored in the registers in Hexadecimal
-	 * form. For example, to set the MAC Address to: AC-DE-48-00-00-80
-	 * would require writing 0xAC (octet 0) to address 0x0B (high byte of
-	 * Mac_addr[15:0]), 0xDE (octet 1) to address 0x0A (Low byte of
-	 * Mac_addr[15:0]), 0x48 (octet 2) to address 0x0D (high byte of
-	 * Mac_addr[15:0]), 0x00 (octet 3) to address 0x0C (Low byte of
-	 * Mac_addr[15:0]), 0x00 (octet 4) to address 0x0F (high byte of
-	 * Mac_addr[15:0]), and 0x80 (octet 5) to address * 0x0E (Low byte of
-	 * Mac_addr[15:0]).
-	 */
-	tmp = dnet_readw_mac(bp, DNET_INTERNAL_MAC_ADDR_0_REG);
-	*((__be16 *)addr) = cpu_to_be16(tmp);
-	tmp = dnet_readw_mac(bp, DNET_INTERNAL_MAC_ADDR_1_REG);
-	*((__be16 *)(addr + 2)) = cpu_to_be16(tmp);
-	tmp = dnet_readw_mac(bp, DNET_INTERNAL_MAC_ADDR_2_REG);
-	*((__be16 *)(addr + 4)) = cpu_to_be16(tmp);
-
-	if (is_valid_ether_addr(addr))
-		memcpy(bp->dev->dev_addr, addr, sizeof(addr));
-}
-
-static int dnet_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
-{
-	struct dnet *bp = bus->priv;
-	u16 value;
-
-	while (!(dnet_readw_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG)
-				& DNET_INTERNAL_GMII_MNG_CMD_FIN))
-		cpu_relax();
-
-	/* only 5 bits allowed for phy-addr and reg_offset */
-	mii_id &= 0x1f;
-	regnum &= 0x1f;
-
-	/* prepare reg_value for a read */
-	value = (mii_id << 8);
-	value |= regnum;
-
-	/* write control word */
-	dnet_writew_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG, value);
-
-	/* wait for end of transfer */
-	while (!(dnet_readw_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG)
-				& DNET_INTERNAL_GMII_MNG_CMD_FIN))
-		cpu_relax();
-
-	value = dnet_readw_mac(bp, DNET_INTERNAL_GMII_MNG_DAT_REG);
-
-	pr_debug("mdio_read %02x:%02x <- %04x\n", mii_id, regnum, value);
-
-	return value;
-}
-
-static int dnet_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
-			   u16 value)
-{
-	struct dnet *bp = bus->priv;
-	u16 tmp;
-
-	pr_debug("mdio_write %02x:%02x <- %04x\n", mii_id, regnum, value);
-
-	while (!(dnet_readw_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG)
-				& DNET_INTERNAL_GMII_MNG_CMD_FIN))
-		cpu_relax();
-
-	/* prepare for a write operation */
-	tmp = (1 << 13);
-
-	/* only 5 bits allowed for phy-addr and reg_offset */
-	mii_id &= 0x1f;
-	regnum &= 0x1f;
-
-	/* only 16 bits on data */
-	value &= 0xffff;
-
-	/* prepare reg_value for a write */
-	tmp |= (mii_id << 8);
-	tmp |= regnum;
-
-	/* write data to write first */
-	dnet_writew_mac(bp, DNET_INTERNAL_GMII_MNG_DAT_REG, value);
-
-	/* write control word */
-	dnet_writew_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG, tmp);
-
-	while (!(dnet_readw_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG)
-				& DNET_INTERNAL_GMII_MNG_CMD_FIN))
-		cpu_relax();
-
-	return 0;
-}
-
-static int dnet_mdio_reset(struct mii_bus *bus)
-{
-	return 0;
-}
-
-static void dnet_handle_link_change(struct net_device *dev)
-{
-	struct dnet *bp = netdev_priv(dev);
-	struct phy_device *phydev = bp->phy_dev;
-	unsigned long flags;
-	u32 mode_reg, ctl_reg;
-
-	int status_change = 0;
-
-	spin_lock_irqsave(&bp->lock, flags);
-
-	mode_reg = dnet_readw_mac(bp, DNET_INTERNAL_MODE_REG);
-	ctl_reg = dnet_readw_mac(bp, DNET_INTERNAL_RXTX_CONTROL_REG);
-
-	if (phydev->link) {
-		if (bp->duplex != phydev->duplex) {
-			if (phydev->duplex)
-				ctl_reg &=
-				    ~(DNET_INTERNAL_RXTX_CONTROL_ENABLEHALFDUP);
-			else
-				ctl_reg |=
-				    DNET_INTERNAL_RXTX_CONTROL_ENABLEHALFDUP;
-
-			bp->duplex = phydev->duplex;
-			status_change = 1;
-		}
-
-		if (bp->speed != phydev->speed) {
-			status_change = 1;
-			switch (phydev->speed) {
-			case 1000:
-				mode_reg |= DNET_INTERNAL_MODE_GBITEN;
-				break;
-			case 100:
-			case 10:
-				mode_reg &= ~DNET_INTERNAL_MODE_GBITEN;
-				break;
-			default:
-				printk(KERN_WARNING
-				       "%s: Ack!  Speed (%d) is not "
-				       "10/100/1000!\n", dev->name,
-				       phydev->speed);
-				break;
-			}
-			bp->speed = phydev->speed;
-		}
-	}
-
-	if (phydev->link != bp->link) {
-		if (phydev->link) {
-			mode_reg |=
-			    (DNET_INTERNAL_MODE_RXEN | DNET_INTERNAL_MODE_TXEN);
-		} else {
-			mode_reg &=
-			    ~(DNET_INTERNAL_MODE_RXEN |
-			      DNET_INTERNAL_MODE_TXEN);
-			bp->speed = 0;
-			bp->duplex = -1;
-		}
-		bp->link = phydev->link;
-
-		status_change = 1;
-	}
-
-	if (status_change) {
-		dnet_writew_mac(bp, DNET_INTERNAL_RXTX_CONTROL_REG, ctl_reg);
-		dnet_writew_mac(bp, DNET_INTERNAL_MODE_REG, mode_reg);
-	}
-
-	spin_unlock_irqrestore(&bp->lock, flags);
-
-	if (status_change) {
-		if (phydev->link)
-			printk(KERN_INFO "%s: link up (%d/%s)\n",
-			       dev->name, phydev->speed,
-			       DUPLEX_FULL == phydev->duplex ? "Full" : "Half");
-		else
-			printk(KERN_INFO "%s: link down\n", dev->name);
-	}
-}
-
-static int dnet_mii_probe(struct net_device *dev)
-{
-	struct dnet *bp = netdev_priv(dev);
-	struct phy_device *phydev = NULL;
-	int phy_addr;
-
-	/* find the first phy */
-	for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
-		if (bp->mii_bus->phy_map[phy_addr]) {
-			phydev = bp->mii_bus->phy_map[phy_addr];
-			break;
-		}
-	}
-
-	if (!phydev) {
-		printk(KERN_ERR "%s: no PHY found\n", dev->name);
-		return -ENODEV;
-	}
-
-	/* TODO : add pin_irq */
-
-	/* attach the mac to the phy */
-	if (bp->capabilities & DNET_HAS_RMII) {
-		phydev = phy_connect(dev, dev_name(&phydev->dev),
-				     &dnet_handle_link_change, 0,
-				     PHY_INTERFACE_MODE_RMII);
-	} else {
-		phydev = phy_connect(dev, dev_name(&phydev->dev),
-				     &dnet_handle_link_change, 0,
-				     PHY_INTERFACE_MODE_MII);
-	}
-
-	if (IS_ERR(phydev)) {
-		printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
-		return PTR_ERR(phydev);
-	}
-
-	/* mask with MAC supported features */
-	if (bp->capabilities & DNET_HAS_GIGABIT)
-		phydev->supported &= PHY_GBIT_FEATURES;
-	else
-		phydev->supported &= PHY_BASIC_FEATURES;
-
-	phydev->supported |= SUPPORTED_Asym_Pause | SUPPORTED_Pause;
-
-	phydev->advertising = phydev->supported;
-
-	bp->link = 0;
-	bp->speed = 0;
-	bp->duplex = -1;
-	bp->phy_dev = phydev;
-
-	return 0;
-}
-
-static int dnet_mii_init(struct dnet *bp)
-{
-	int err, i;
-
-	bp->mii_bus = mdiobus_alloc();
-	if (bp->mii_bus == NULL)
-		return -ENOMEM;
-
-	bp->mii_bus->name = "dnet_mii_bus";
-	bp->mii_bus->read = &dnet_mdio_read;
-	bp->mii_bus->write = &dnet_mdio_write;
-	bp->mii_bus->reset = &dnet_mdio_reset;
-
-	snprintf(bp->mii_bus->id, MII_BUS_ID_SIZE, "%x", 0);
-
-	bp->mii_bus->priv = bp;
-
-	bp->mii_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
-	if (!bp->mii_bus->irq) {
-		err = -ENOMEM;
-		goto err_out;
-	}
-
-	for (i = 0; i < PHY_MAX_ADDR; i++)
-		bp->mii_bus->irq[i] = PHY_POLL;
-
-	if (mdiobus_register(bp->mii_bus)) {
-		err = -ENXIO;
-		goto err_out_free_mdio_irq;
-	}
-
-	if (dnet_mii_probe(bp->dev) != 0) {
-		err = -ENXIO;
-		goto err_out_unregister_bus;
-	}
-
-	return 0;
-
-err_out_unregister_bus:
-	mdiobus_unregister(bp->mii_bus);
-err_out_free_mdio_irq:
-	kfree(bp->mii_bus->irq);
-err_out:
-	mdiobus_free(bp->mii_bus);
-	return err;
-}
-
-/* For Neptune board: LINK1000 as Link LED and TX as activity LED */
-static int dnet_phy_marvell_fixup(struct phy_device *phydev)
-{
-	return phy_write(phydev, 0x18, 0x4148);
-}
-
-static void dnet_update_stats(struct dnet *bp)
-{
-	u32 __iomem *reg = bp->regs + DNET_RX_PKT_IGNR_CNT;
-	u32 *p = &bp->hw_stats.rx_pkt_ignr;
-	u32 *end = &bp->hw_stats.rx_byte + 1;
-
-	WARN_ON((unsigned long)(end - p - 1) !=
-		(DNET_RX_BYTE_CNT - DNET_RX_PKT_IGNR_CNT) / 4);
-
-	for (; p < end; p++, reg++)
-		*p += readl(reg);
-
-	reg = bp->regs + DNET_TX_UNICAST_CNT;
-	p = &bp->hw_stats.tx_unicast;
-	end = &bp->hw_stats.tx_byte + 1;
-
-	WARN_ON((unsigned long)(end - p - 1) !=
-		(DNET_TX_BYTE_CNT - DNET_TX_UNICAST_CNT) / 4);
-
-	for (; p < end; p++, reg++)
-		*p += readl(reg);
-}
-
-static int dnet_poll(struct napi_struct *napi, int budget)
-{
-	struct dnet *bp = container_of(napi, struct dnet, napi);
-	struct net_device *dev = bp->dev;
-	int npackets = 0;
-	unsigned int pkt_len;
-	struct sk_buff *skb;
-	unsigned int *data_ptr;
-	u32 int_enable;
-	u32 cmd_word;
-	int i;
-
-	while (npackets < budget) {
-		/*
-		 * break out of while loop if there are no more
-		 * packets waiting
-		 */
-		if (!(dnet_readl(bp, RX_FIFO_WCNT) >> 16)) {
-			napi_complete(napi);
-			int_enable = dnet_readl(bp, INTR_ENB);
-			int_enable |= DNET_INTR_SRC_RX_CMDFIFOAF;
-			dnet_writel(bp, int_enable, INTR_ENB);
-			return 0;
-		}
-
-		cmd_word = dnet_readl(bp, RX_LEN_FIFO);
-		pkt_len = cmd_word & 0xFFFF;
-
-		if (cmd_word & 0xDF180000)
-			printk(KERN_ERR "%s packet receive error %x\n",
-			       __func__, cmd_word);
-
-		skb = dev_alloc_skb(pkt_len + 5);
-		if (skb != NULL) {
-			/* Align IP on 16 byte boundaries */
-			skb_reserve(skb, 2);
-			/*
-			 * 'skb_put()' points to the start of sk_buff
-			 * data area.
-			 */
-			data_ptr = (unsigned int *)skb_put(skb, pkt_len);
-			for (i = 0; i < (pkt_len + 3) >> 2; i++)
-				*data_ptr++ = dnet_readl(bp, RX_DATA_FIFO);
-			skb->protocol = eth_type_trans(skb, dev);
-			netif_receive_skb(skb);
-			npackets++;
-		} else
-			printk(KERN_NOTICE
-			       "%s: No memory to allocate a sk_buff of "
-			       "size %u.\n", dev->name, pkt_len);
-	}
-
-	budget -= npackets;
-
-	if (npackets < budget) {
-		/* We processed all packets available.  Tell NAPI it can
-		 * stop polling then re-enable rx interrupts */
-		napi_complete(napi);
-		int_enable = dnet_readl(bp, INTR_ENB);
-		int_enable |= DNET_INTR_SRC_RX_CMDFIFOAF;
-		dnet_writel(bp, int_enable, INTR_ENB);
-		return 0;
-	}
-
-	/* There are still packets waiting */
-	return 1;
-}
-
-static irqreturn_t dnet_interrupt(int irq, void *dev_id)
-{
-	struct net_device *dev = dev_id;
-	struct dnet *bp = netdev_priv(dev);
-	u32 int_src, int_enable, int_current;
-	unsigned long flags;
-	unsigned int handled = 0;
-
-	spin_lock_irqsave(&bp->lock, flags);
-
-	/* read and clear the DNET irq (clear on read) */
-	int_src = dnet_readl(bp, INTR_SRC);
-	int_enable = dnet_readl(bp, INTR_ENB);
-	int_current = int_src & int_enable;
-
-	/* restart the queue if we had stopped it for TX fifo almost full */
-	if (int_current & DNET_INTR_SRC_TX_FIFOAE) {
-		int_enable = dnet_readl(bp, INTR_ENB);
-		int_enable &= ~DNET_INTR_ENB_TX_FIFOAE;
-		dnet_writel(bp, int_enable, INTR_ENB);
-		netif_wake_queue(dev);
-		handled = 1;
-	}
-
-	/* RX FIFO error checking */
-	if (int_current &
-	    (DNET_INTR_SRC_RX_CMDFIFOFF | DNET_INTR_SRC_RX_DATAFIFOFF)) {
-		printk(KERN_ERR "%s: RX fifo error %x, irq %x\n", __func__,
-		       dnet_readl(bp, RX_STATUS), int_current);
-		/* we can only flush the RX FIFOs */
-		dnet_writel(bp, DNET_SYS_CTL_RXFIFOFLUSH, SYS_CTL);
-		ndelay(500);
-		dnet_writel(bp, 0, SYS_CTL);
-		handled = 1;
-	}
-
-	/* TX FIFO error checking */
-	if (int_current &
-	    (DNET_INTR_SRC_TX_FIFOFULL | DNET_INTR_SRC_TX_DISCFRM)) {
-		printk(KERN_ERR "%s: TX fifo error %x, irq %x\n", __func__,
-		       dnet_readl(bp, TX_STATUS), int_current);
-		/* we can only flush the TX FIFOs */
-		dnet_writel(bp, DNET_SYS_CTL_TXFIFOFLUSH, SYS_CTL);
-		ndelay(500);
-		dnet_writel(bp, 0, SYS_CTL);
-		handled = 1;
-	}
-
-	if (int_current & DNET_INTR_SRC_RX_CMDFIFOAF) {
-		if (napi_schedule_prep(&bp->napi)) {
-			/*
-			 * There's no point taking any more interrupts
-			 * until we have processed the buffers
-			 */
-			/* Disable Rx interrupts and schedule NAPI poll */
-			int_enable = dnet_readl(bp, INTR_ENB);
-			int_enable &= ~DNET_INTR_SRC_RX_CMDFIFOAF;
-			dnet_writel(bp, int_enable, INTR_ENB);
-			__napi_schedule(&bp->napi);
-		}
-		handled = 1;
-	}
-
-	if (!handled)
-		pr_debug("%s: irq %x remains\n", __func__, int_current);
-
-	spin_unlock_irqrestore(&bp->lock, flags);
-
-	return IRQ_RETVAL(handled);
-}
-
-#ifdef DEBUG
-static inline void dnet_print_skb(struct sk_buff *skb)
-{
-	int k;
-	printk(KERN_DEBUG PFX "data:");
-	for (k = 0; k < skb->len; k++)
-		printk(" %02x", (unsigned int)skb->data[k]);
-	printk("\n");
-}
-#else
-#define dnet_print_skb(skb)	do {} while (0)
-#endif
-
-static netdev_tx_t dnet_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-
-	struct dnet *bp = netdev_priv(dev);
-	u32 tx_status, irq_enable;
-	unsigned int len, i, tx_cmd, wrsz;
-	unsigned long flags;
-	unsigned int *bufp;
-
-	tx_status = dnet_readl(bp, TX_STATUS);
-
-	pr_debug("start_xmit: len %u head %p data %p\n",
-	       skb->len, skb->head, skb->data);
-	dnet_print_skb(skb);
-
-	/* frame size (words) */
-	len = (skb->len + 3) >> 2;
-
-	spin_lock_irqsave(&bp->lock, flags);
-
-	tx_status = dnet_readl(bp, TX_STATUS);
-
-	bufp = (unsigned int *)(((unsigned long) skb->data) & ~0x3UL);
-	wrsz = (u32) skb->len + 3;
-	wrsz += ((unsigned long) skb->data) & 0x3;
-	wrsz >>= 2;
-	tx_cmd = ((((unsigned long)(skb->data)) & 0x03) << 16) | (u32) skb->len;
-
-	/* check if there is enough room for the current frame */
-	if (wrsz < (DNET_FIFO_SIZE - dnet_readl(bp, TX_FIFO_WCNT))) {
-		for (i = 0; i < wrsz; i++)
-			dnet_writel(bp, *bufp++, TX_DATA_FIFO);
-
-		/*
-		 * inform MAC that a packet's written and ready to be
-		 * shipped out
-		 */
-		dnet_writel(bp, tx_cmd, TX_LEN_FIFO);
-	}
-
-	if (dnet_readl(bp, TX_FIFO_WCNT) > DNET_FIFO_TX_DATA_AF_TH) {
-		netif_stop_queue(dev);
-		tx_status = dnet_readl(bp, INTR_SRC);
-		irq_enable = dnet_readl(bp, INTR_ENB);
-		irq_enable |= DNET_INTR_ENB_TX_FIFOAE;
-		dnet_writel(bp, irq_enable, INTR_ENB);
-	}
-
-	skb_tx_timestamp(skb);
-
-	/* free the buffer */
-	dev_kfree_skb(skb);
-
-	spin_unlock_irqrestore(&bp->lock, flags);
-
-	return NETDEV_TX_OK;
-}
-
-static void dnet_reset_hw(struct dnet *bp)
-{
-	/* put ts_mac in IDLE state i.e. disable rx/tx */
-	dnet_writew_mac(bp, DNET_INTERNAL_MODE_REG, DNET_INTERNAL_MODE_FCEN);
-
-	/*
-	 * RX FIFO almost full threshold: only cmd FIFO almost full is
-	 * implemented for RX side
-	 */
-	dnet_writel(bp, DNET_FIFO_RX_CMD_AF_TH, RX_FIFO_TH);
-	/*
-	 * TX FIFO almost empty threshold: only data FIFO almost empty
-	 * is implemented for TX side
-	 */
-	dnet_writel(bp, DNET_FIFO_TX_DATA_AE_TH, TX_FIFO_TH);
-
-	/* flush rx/tx fifos */
-	dnet_writel(bp, DNET_SYS_CTL_RXFIFOFLUSH | DNET_SYS_CTL_TXFIFOFLUSH,
-			SYS_CTL);
-	msleep(1);
-	dnet_writel(bp, 0, SYS_CTL);
-}
-
-static void dnet_init_hw(struct dnet *bp)
-{
-	u32 config;
-
-	dnet_reset_hw(bp);
-	__dnet_set_hwaddr(bp);
-
-	config = dnet_readw_mac(bp, DNET_INTERNAL_RXTX_CONTROL_REG);
-
-	if (bp->dev->flags & IFF_PROMISC)
-		/* Copy All Frames */
-		config |= DNET_INTERNAL_RXTX_CONTROL_ENPROMISC;
-	if (!(bp->dev->flags & IFF_BROADCAST))
-		/* No BroadCast */
-		config |= DNET_INTERNAL_RXTX_CONTROL_RXMULTICAST;
-
-	config |= DNET_INTERNAL_RXTX_CONTROL_RXPAUSE |
-	    DNET_INTERNAL_RXTX_CONTROL_RXBROADCAST |
-	    DNET_INTERNAL_RXTX_CONTROL_DROPCONTROL |
-	    DNET_INTERNAL_RXTX_CONTROL_DISCFXFCS;
-
-	dnet_writew_mac(bp, DNET_INTERNAL_RXTX_CONTROL_REG, config);
-
-	/* clear irq before enabling them */
-	config = dnet_readl(bp, INTR_SRC);
-
-	/* enable RX/TX interrupt, recv packet ready interrupt */
-	dnet_writel(bp, DNET_INTR_ENB_GLOBAL_ENABLE | DNET_INTR_ENB_RX_SUMMARY |
-			DNET_INTR_ENB_TX_SUMMARY | DNET_INTR_ENB_RX_FIFOERR |
-			DNET_INTR_ENB_RX_ERROR | DNET_INTR_ENB_RX_FIFOFULL |
-			DNET_INTR_ENB_TX_FIFOFULL | DNET_INTR_ENB_TX_DISCFRM |
-			DNET_INTR_ENB_RX_PKTRDY, INTR_ENB);
-}
-
-static int dnet_open(struct net_device *dev)
-{
-	struct dnet *bp = netdev_priv(dev);
-
-	/* if the phy is not yet register, retry later */
-	if (!bp->phy_dev)
-		return -EAGAIN;
-
-	if (!is_valid_ether_addr(dev->dev_addr))
-		return -EADDRNOTAVAIL;
-
-	napi_enable(&bp->napi);
-	dnet_init_hw(bp);
-
-	phy_start_aneg(bp->phy_dev);
-
-	/* schedule a link state check */
-	phy_start(bp->phy_dev);
-
-	netif_start_queue(dev);
-
-	return 0;
-}
-
-static int dnet_close(struct net_device *dev)
-{
-	struct dnet *bp = netdev_priv(dev);
-
-	netif_stop_queue(dev);
-	napi_disable(&bp->napi);
-
-	if (bp->phy_dev)
-		phy_stop(bp->phy_dev);
-
-	dnet_reset_hw(bp);
-	netif_carrier_off(dev);
-
-	return 0;
-}
-
-static inline void dnet_print_pretty_hwstats(struct dnet_stats *hwstat)
-{
-	pr_debug("%s\n", __func__);
-	pr_debug("----------------------------- RX statistics "
-		 "-------------------------------\n");
-	pr_debug("RX_PKT_IGNR_CNT %-8x\n", hwstat->rx_pkt_ignr);
-	pr_debug("RX_LEN_CHK_ERR_CNT %-8x\n", hwstat->rx_len_chk_err);
-	pr_debug("RX_LNG_FRM_CNT %-8x\n", hwstat->rx_lng_frm);
-	pr_debug("RX_SHRT_FRM_CNT %-8x\n", hwstat->rx_shrt_frm);
-	pr_debug("RX_IPG_VIOL_CNT %-8x\n", hwstat->rx_ipg_viol);
-	pr_debug("RX_CRC_ERR_CNT %-8x\n", hwstat->rx_crc_err);
-	pr_debug("RX_OK_PKT_CNT %-8x\n", hwstat->rx_ok_pkt);
-	pr_debug("RX_CTL_FRM_CNT %-8x\n", hwstat->rx_ctl_frm);
-	pr_debug("RX_PAUSE_FRM_CNT %-8x\n", hwstat->rx_pause_frm);
-	pr_debug("RX_MULTICAST_CNT %-8x\n", hwstat->rx_multicast);
-	pr_debug("RX_BROADCAST_CNT %-8x\n", hwstat->rx_broadcast);
-	pr_debug("RX_VLAN_TAG_CNT %-8x\n", hwstat->rx_vlan_tag);
-	pr_debug("RX_PRE_SHRINK_CNT %-8x\n", hwstat->rx_pre_shrink);
-	pr_debug("RX_DRIB_NIB_CNT %-8x\n", hwstat->rx_drib_nib);
-	pr_debug("RX_UNSUP_OPCD_CNT %-8x\n", hwstat->rx_unsup_opcd);
-	pr_debug("RX_BYTE_CNT %-8x\n", hwstat->rx_byte);
-	pr_debug("----------------------------- TX statistics "
-		 "-------------------------------\n");
-	pr_debug("TX_UNICAST_CNT %-8x\n", hwstat->tx_unicast);
-	pr_debug("TX_PAUSE_FRM_CNT %-8x\n", hwstat->tx_pause_frm);
-	pr_debug("TX_MULTICAST_CNT %-8x\n", hwstat->tx_multicast);
-	pr_debug("TX_BRDCAST_CNT %-8x\n", hwstat->tx_brdcast);
-	pr_debug("TX_VLAN_TAG_CNT %-8x\n", hwstat->tx_vlan_tag);
-	pr_debug("TX_BAD_FCS_CNT %-8x\n", hwstat->tx_bad_fcs);
-	pr_debug("TX_JUMBO_CNT %-8x\n", hwstat->tx_jumbo);
-	pr_debug("TX_BYTE_CNT %-8x\n", hwstat->tx_byte);
-}
-
-static struct net_device_stats *dnet_get_stats(struct net_device *dev)
-{
-
-	struct dnet *bp = netdev_priv(dev);
-	struct net_device_stats *nstat = &dev->stats;
-	struct dnet_stats *hwstat = &bp->hw_stats;
-
-	/* read stats from hardware */
-	dnet_update_stats(bp);
-
-	/* Convert HW stats into netdevice stats */
-	nstat->rx_errors = (hwstat->rx_len_chk_err +
-			    hwstat->rx_lng_frm + hwstat->rx_shrt_frm +
-			    /* ignore IGP violation error
-			    hwstat->rx_ipg_viol + */
-			    hwstat->rx_crc_err +
-			    hwstat->rx_pre_shrink +
-			    hwstat->rx_drib_nib + hwstat->rx_unsup_opcd);
-	nstat->tx_errors = hwstat->tx_bad_fcs;
-	nstat->rx_length_errors = (hwstat->rx_len_chk_err +
-				   hwstat->rx_lng_frm +
-				   hwstat->rx_shrt_frm + hwstat->rx_pre_shrink);
-	nstat->rx_crc_errors = hwstat->rx_crc_err;
-	nstat->rx_frame_errors = hwstat->rx_pre_shrink + hwstat->rx_drib_nib;
-	nstat->rx_packets = hwstat->rx_ok_pkt;
-	nstat->tx_packets = (hwstat->tx_unicast +
-			     hwstat->tx_multicast + hwstat->tx_brdcast);
-	nstat->rx_bytes = hwstat->rx_byte;
-	nstat->tx_bytes = hwstat->tx_byte;
-	nstat->multicast = hwstat->rx_multicast;
-	nstat->rx_missed_errors = hwstat->rx_pkt_ignr;
-
-	dnet_print_pretty_hwstats(hwstat);
-
-	return nstat;
-}
-
-static int dnet_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
-	struct dnet *bp = netdev_priv(dev);
-	struct phy_device *phydev = bp->phy_dev;
-
-	if (!phydev)
-		return -ENODEV;
-
-	return phy_ethtool_gset(phydev, cmd);
-}
-
-static int dnet_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
-	struct dnet *bp = netdev_priv(dev);
-	struct phy_device *phydev = bp->phy_dev;
-
-	if (!phydev)
-		return -ENODEV;
-
-	return phy_ethtool_sset(phydev, cmd);
-}
-
-static int dnet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-{
-	struct dnet *bp = netdev_priv(dev);
-	struct phy_device *phydev = bp->phy_dev;
-
-	if (!netif_running(dev))
-		return -EINVAL;
-
-	if (!phydev)
-		return -ENODEV;
-
-	return phy_mii_ioctl(phydev, rq, cmd);
-}
-
-static void dnet_get_drvinfo(struct net_device *dev,
-			     struct ethtool_drvinfo *info)
-{
-	strcpy(info->driver, DRV_NAME);
-	strcpy(info->version, DRV_VERSION);
-	strcpy(info->bus_info, "0");
-}
-
-static const struct ethtool_ops dnet_ethtool_ops = {
-	.get_settings		= dnet_get_settings,
-	.set_settings		= dnet_set_settings,
-	.get_drvinfo		= dnet_get_drvinfo,
-	.get_link		= ethtool_op_get_link,
-};
-
-static const struct net_device_ops dnet_netdev_ops = {
-	.ndo_open		= dnet_open,
-	.ndo_stop		= dnet_close,
-	.ndo_get_stats		= dnet_get_stats,
-	.ndo_start_xmit		= dnet_start_xmit,
-	.ndo_do_ioctl		= dnet_ioctl,
-	.ndo_set_mac_address	= eth_mac_addr,
-	.ndo_validate_addr	= eth_validate_addr,
-	.ndo_change_mtu		= eth_change_mtu,
-};
-
-static int __devinit dnet_probe(struct platform_device *pdev)
-{
-	struct resource *res;
-	struct net_device *dev;
-	struct dnet *bp;
-	struct phy_device *phydev;
-	int err = -ENXIO;
-	unsigned int mem_base, mem_size, irq;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "no mmio resource defined\n");
-		goto err_out;
-	}
-	mem_base = res->start;
-	mem_size = resource_size(res);
-	irq = platform_get_irq(pdev, 0);
-
-	if (!request_mem_region(mem_base, mem_size, DRV_NAME)) {
-		dev_err(&pdev->dev, "no memory region available\n");
-		err = -EBUSY;
-		goto err_out;
-	}
-
-	err = -ENOMEM;
-	dev = alloc_etherdev(sizeof(*bp));
-	if (!dev) {
-		dev_err(&pdev->dev, "etherdev alloc failed, aborting.\n");
-		goto err_out_release_mem;
-	}
-
-	/* TODO: Actually, we have some interesting features... */
-	dev->features |= 0;
-
-	bp = netdev_priv(dev);
-	bp->dev = dev;
-
-	platform_set_drvdata(pdev, dev);
-	SET_NETDEV_DEV(dev, &pdev->dev);
-
-	spin_lock_init(&bp->lock);
-
-	bp->regs = ioremap(mem_base, mem_size);
-	if (!bp->regs) {
-		dev_err(&pdev->dev, "failed to map registers, aborting.\n");
-		err = -ENOMEM;
-		goto err_out_free_dev;
-	}
-
-	dev->irq = irq;
-	err = request_irq(dev->irq, dnet_interrupt, 0, DRV_NAME, dev);
-	if (err) {
-		dev_err(&pdev->dev, "Unable to request IRQ %d (error %d)\n",
-		       irq, err);
-		goto err_out_iounmap;
-	}
-
-	dev->netdev_ops = &dnet_netdev_ops;
-	netif_napi_add(dev, &bp->napi, dnet_poll, 64);
-	dev->ethtool_ops = &dnet_ethtool_ops;
-
-	dev->base_addr = (unsigned long)bp->regs;
-
-	bp->capabilities = dnet_readl(bp, VERCAPS) & DNET_CAPS_MASK;
-
-	dnet_get_hwaddr(bp);
-
-	if (!is_valid_ether_addr(dev->dev_addr)) {
-		/* choose a random ethernet address */
-		random_ether_addr(dev->dev_addr);
-		__dnet_set_hwaddr(bp);
-	}
-
-	err = register_netdev(dev);
-	if (err) {
-		dev_err(&pdev->dev, "Cannot register net device, aborting.\n");
-		goto err_out_free_irq;
-	}
-
-	/* register the PHY board fixup (for Marvell 88E1111) */
-	err = phy_register_fixup_for_uid(0x01410cc0, 0xfffffff0,
-					 dnet_phy_marvell_fixup);
-	/* we can live without it, so just issue a warning */
-	if (err)
-		dev_warn(&pdev->dev, "Cannot register PHY board fixup.\n");
-
-	err = dnet_mii_init(bp);
-	if (err)
-		goto err_out_unregister_netdev;
-
-	dev_info(&pdev->dev, "Dave DNET at 0x%p (0x%08x) irq %d %pM\n",
-	       bp->regs, mem_base, dev->irq, dev->dev_addr);
-	dev_info(&pdev->dev, "has %smdio, %sirq, %sgigabit, %sdma\n",
-	       (bp->capabilities & DNET_HAS_MDIO) ? "" : "no ",
-	       (bp->capabilities & DNET_HAS_IRQ) ? "" : "no ",
-	       (bp->capabilities & DNET_HAS_GIGABIT) ? "" : "no ",
-	       (bp->capabilities & DNET_HAS_DMA) ? "" : "no ");
-	phydev = bp->phy_dev;
-	dev_info(&pdev->dev, "attached PHY driver [%s] "
-	       "(mii_bus:phy_addr=%s, irq=%d)\n",
-	       phydev->drv->name, dev_name(&phydev->dev), phydev->irq);
-
-	return 0;
-
-err_out_unregister_netdev:
-	unregister_netdev(dev);
-err_out_free_irq:
-	free_irq(dev->irq, dev);
-err_out_iounmap:
-	iounmap(bp->regs);
-err_out_free_dev:
-	free_netdev(dev);
-err_out_release_mem:
-	release_mem_region(mem_base, mem_size);
-err_out:
-	return err;
-}
-
-static int __devexit dnet_remove(struct platform_device *pdev)
-{
-
-	struct net_device *dev;
-	struct dnet *bp;
-
-	dev = platform_get_drvdata(pdev);
-
-	if (dev) {
-		bp = netdev_priv(dev);
-		if (bp->phy_dev)
-			phy_disconnect(bp->phy_dev);
-		mdiobus_unregister(bp->mii_bus);
-		kfree(bp->mii_bus->irq);
-		mdiobus_free(bp->mii_bus);
-		unregister_netdev(dev);
-		free_irq(dev->irq, dev);
-		iounmap(bp->regs);
-		free_netdev(dev);
-	}
-
-	return 0;
-}
-
-static struct platform_driver dnet_driver = {
-	.probe		= dnet_probe,
-	.remove		= __devexit_p(dnet_remove),
-	.driver		= {
-		.name		= "dnet",
-	},
-};
-
-static int __init dnet_init(void)
-{
-	return platform_driver_register(&dnet_driver);
-}
-
-static void __exit dnet_exit(void)
-{
-	platform_driver_unregister(&dnet_driver);
-}
-
-module_init(dnet_init);
-module_exit(dnet_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Dave DNET Ethernet driver");
-MODULE_AUTHOR("Ilya Yanok <yanok@emcraft.com>, "
-	      "Matteo Vit <matteo.vit@dave.eu>");