+/*! reset MAC and set all registers */
+void r6040_init_mac_regs(struct r6040_private *lp)
+{
+ void __iomem *ioaddr = lp->base;
+ int limit;
+ char obuf[3*ETH_ALEN] __attribute__ ((unused));
+
+ /* Mask Off Interrupt */
+ iowrite16(MSK_INT, ioaddr + MIER);
+
+ /* reset MAC */
+ iowrite16(MAC_RST, ioaddr + MCR1);
+ udelay(100);
+ limit=2048;
+ while ((ioread16(ioaddr + MCR1) & MAC_RST) && limit-- > 0);
+
+ /* Reset internal state machine */
+ iowrite16(2, ioaddr + MAC_SM);
+ iowrite16(0, ioaddr + MAC_SM);
+ udelay(5000);
+
+ /* Restore MAC Addresses */
+ r6040_multicast_list(lp->dev);
+
+ /* TODO: restore multcast and hash table */
+
+ /* MAC Bus Control Register */
+ iowrite16(MBCR_DEFAULT, ioaddr + MBCR);
+
+ /* Buffer Size Register */
+ iowrite16(MAX_BUF_SIZE, ioaddr + MR_BSR);
+
+ /* write tx ring start address */
+ iowrite16(lp->tx_ring_dma, ioaddr + MTD_SA0);
+ iowrite16(lp->tx_ring_dma >> 16, ioaddr + MTD_SA1);
+
+ /* write rx ring start address */
+ iowrite16(lp->rx_ring_dma, ioaddr + MRD_SA0);
+ iowrite16(lp->rx_ring_dma >> 16, ioaddr + MRD_SA1);
+
+ /* set interrupt waiting time and packet numbers */
+ iowrite16(0, ioaddr + MT_ICR);
+ iowrite16(0, ioaddr + MR_ICR);
+
+ /* enable interrupts */
+ iowrite16(INT_MASK, ioaddr + MIER);
+
+ /* enable tx and rx */
+ iowrite16(lp->mcr0 | 0x0002, ioaddr);
+
+ /* let TX poll the descriptors - we may got called by r6040_tx_timeout which has left
+ some unsent tx buffers */
+ iowrite16(0x01, ioaddr + MTPR);
+}
+
+void r6040_tx_timeout(struct net_device *dev)
+{
+ struct r6040_private *priv = netdev_priv(dev);
+ void __iomem *ioaddr = priv->base;
+
+ /* we read MISR, which clears on read (i.e. we may loose an RX interupt,
+ but this is an error anyhow ... */
+ printk(KERN_WARNING "%s: transmit timed out, int enable %4.4x "
+ "status %4.4x, PHY status %4.4x\n",
+ dev->name, ioread16(ioaddr + MIER),
+ ioread16(ioaddr + MISR),
+ mdio_read(dev, priv->mii_if.phy_id, MII_BMSR));
+
+ dev->stats.tx_errors++;
+
+ /* Reset MAC and re-init all registers */
+ r6040_init_mac_regs(priv);
+}
+
+struct net_device_stats *r6040_get_stats(struct net_device *dev)