bmac/mace/macmace/mac89x0/cs89x0: Move the Macintosh (Apple) drivers

Move the Apple drivers into driver/net/ethernet/apple/ and make the
necessary Kconfig and Makefile changes.

CC: Paul Mackerras <paulus@samba.org>
CC: Paul Mackerras <paulus@au.ibm.com>
CC: Russell Nelson <nelson@crynwr.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 0 insertions, 1031 deletions

diff --git a/drivers/net/mace.c b/drivers/net/mace.c
deleted file mode 100644
index 2074e9724ba..00000000000
--- a/drivers/net/mace.c
+++ /dev/null
@@ -1,1031 +0,0 @@
-/*
- * Network device driver for the MACE ethernet controller on
- * Apple Powermacs.  Assumes it's under a DBDMA controller.
- *
- * Copyright (C) 1996 Paul Mackerras.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/delay.h>
-#include <linux/string.h>
-#include <linux/timer.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/crc32.h>
-#include <linux/spinlock.h>
-#include <linux/bitrev.h>
-#include <linux/slab.h>
-#include <asm/prom.h>
-#include <asm/dbdma.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/macio.h>
-
-#include "mace.h"
-
-static int port_aaui = -1;
-
-#define N_RX_RING	8
-#define N_TX_RING	6
-#define MAX_TX_ACTIVE	1
-#define NCMDS_TX	1	/* dma commands per element in tx ring */
-#define RX_BUFLEN	(ETH_FRAME_LEN + 8)
-#define TX_TIMEOUT	HZ	/* 1 second */
-
-/* Chip rev needs workaround on HW & multicast addr change */
-#define BROKEN_ADDRCHG_REV	0x0941
-
-/* Bits in transmit DMA status */
-#define TX_DMA_ERR	0x80
-
-struct mace_data {
-    volatile struct mace __iomem *mace;
-    volatile struct dbdma_regs __iomem *tx_dma;
-    int tx_dma_intr;
-    volatile struct dbdma_regs __iomem *rx_dma;
-    int rx_dma_intr;
-    volatile struct dbdma_cmd *tx_cmds;	/* xmit dma command list */
-    volatile struct dbdma_cmd *rx_cmds;	/* recv dma command list */
-    struct sk_buff *rx_bufs[N_RX_RING];
-    int rx_fill;
-    int rx_empty;
-    struct sk_buff *tx_bufs[N_TX_RING];
-    int tx_fill;
-    int tx_empty;
-    unsigned char maccc;
-    unsigned char tx_fullup;
-    unsigned char tx_active;
-    unsigned char tx_bad_runt;
-    struct timer_list tx_timeout;
-    int timeout_active;
-    int port_aaui;
-    int chipid;
-    struct macio_dev *mdev;
-    spinlock_t lock;
-};
-
-/*
- * Number of bytes of private data per MACE: allow enough for
- * the rx and tx dma commands plus a branch dma command each,
- * and another 16 bytes to allow us to align the dma command
- * buffers on a 16 byte boundary.
- */
-#define PRIV_BYTES	(sizeof(struct mace_data) \
-	+ (N_RX_RING + NCMDS_TX * N_TX_RING + 3) * sizeof(struct dbdma_cmd))
-
-static int mace_open(struct net_device *dev);
-static int mace_close(struct net_device *dev);
-static int mace_xmit_start(struct sk_buff *skb, struct net_device *dev);
-static void mace_set_multicast(struct net_device *dev);
-static void mace_reset(struct net_device *dev);
-static int mace_set_address(struct net_device *dev, void *addr);
-static irqreturn_t mace_interrupt(int irq, void *dev_id);
-static irqreturn_t mace_txdma_intr(int irq, void *dev_id);
-static irqreturn_t mace_rxdma_intr(int irq, void *dev_id);
-static void mace_set_timeout(struct net_device *dev);
-static void mace_tx_timeout(unsigned long data);
-static inline void dbdma_reset(volatile struct dbdma_regs __iomem *dma);
-static inline void mace_clean_rings(struct mace_data *mp);
-static void __mace_set_address(struct net_device *dev, void *addr);
-
-/*
- * If we can't get a skbuff when we need it, we use this area for DMA.
- */
-static unsigned char *dummy_buf;
-
-static const struct net_device_ops mace_netdev_ops = {
-	.ndo_open		= mace_open,
-	.ndo_stop		= mace_close,
-	.ndo_start_xmit		= mace_xmit_start,
-	.ndo_set_multicast_list	= mace_set_multicast,
-	.ndo_set_mac_address	= mace_set_address,
-	.ndo_change_mtu		= eth_change_mtu,
-	.ndo_validate_addr	= eth_validate_addr,
-};
-
-static int __devinit mace_probe(struct macio_dev *mdev, const struct of_device_id *match)
-{
-	struct device_node *mace = macio_get_of_node(mdev);
-	struct net_device *dev;
-	struct mace_data *mp;
-	const unsigned char *addr;
-	int j, rev, rc = -EBUSY;
-
-	if (macio_resource_count(mdev) != 3 || macio_irq_count(mdev) != 3) {
-		printk(KERN_ERR "can't use MACE %s: need 3 addrs and 3 irqs\n",
-		       mace->full_name);
-		return -ENODEV;
-	}
-
-	addr = of_get_property(mace, "mac-address", NULL);
-	if (addr == NULL) {
-		addr = of_get_property(mace, "local-mac-address", NULL);
-		if (addr == NULL) {
-			printk(KERN_ERR "Can't get mac-address for MACE %s\n",
-			       mace->full_name);
-			return -ENODEV;
-		}
-	}
-
-	/*
-	 * lazy allocate the driver-wide dummy buffer. (Note that we
-	 * never have more than one MACE in the system anyway)
-	 */
-	if (dummy_buf == NULL) {
-		dummy_buf = kmalloc(RX_BUFLEN+2, GFP_KERNEL);
-		if (dummy_buf == NULL) {
-			printk(KERN_ERR "MACE: couldn't allocate dummy buffer\n");
-			return -ENOMEM;
-		}
-	}
-
-	if (macio_request_resources(mdev, "mace")) {
-		printk(KERN_ERR "MACE: can't request IO resources !\n");
-		return -EBUSY;
-	}
-
-	dev = alloc_etherdev(PRIV_BYTES);
-	if (!dev) {
-		printk(KERN_ERR "MACE: can't allocate ethernet device !\n");
-		rc = -ENOMEM;
-		goto err_release;
-	}
-	SET_NETDEV_DEV(dev, &mdev->ofdev.dev);
-
-	mp = netdev_priv(dev);
-	mp->mdev = mdev;
-	macio_set_drvdata(mdev, dev);
-
-	dev->base_addr = macio_resource_start(mdev, 0);
-	mp->mace = ioremap(dev->base_addr, 0x1000);
-	if (mp->mace == NULL) {
-		printk(KERN_ERR "MACE: can't map IO resources !\n");
-		rc = -ENOMEM;
-		goto err_free;
-	}
-	dev->irq = macio_irq(mdev, 0);
-
-	rev = addr[0] == 0 && addr[1] == 0xA0;
-	for (j = 0; j < 6; ++j) {
-		dev->dev_addr[j] = rev ? bitrev8(addr[j]): addr[j];
-	}
-	mp->chipid = (in_8(&mp->mace->chipid_hi) << 8) |
-			in_8(&mp->mace->chipid_lo);
-
-
-	mp = netdev_priv(dev);
-	mp->maccc = ENXMT | ENRCV;
-
-	mp->tx_dma = ioremap(macio_resource_start(mdev, 1), 0x1000);
-	if (mp->tx_dma == NULL) {
-		printk(KERN_ERR "MACE: can't map TX DMA resources !\n");
-		rc = -ENOMEM;
-		goto err_unmap_io;
-	}
-	mp->tx_dma_intr = macio_irq(mdev, 1);
-
-	mp->rx_dma = ioremap(macio_resource_start(mdev, 2), 0x1000);
-	if (mp->rx_dma == NULL) {
-		printk(KERN_ERR "MACE: can't map RX DMA resources !\n");
-		rc = -ENOMEM;
-		goto err_unmap_tx_dma;
-	}
-	mp->rx_dma_intr = macio_irq(mdev, 2);
-
-	mp->tx_cmds = (volatile struct dbdma_cmd *) DBDMA_ALIGN(mp + 1);
-	mp->rx_cmds = mp->tx_cmds + NCMDS_TX * N_TX_RING + 1;
-
-	memset((char *) mp->tx_cmds, 0,
-	       (NCMDS_TX*N_TX_RING + N_RX_RING + 2) * sizeof(struct dbdma_cmd));
-	init_timer(&mp->tx_timeout);
-	spin_lock_init(&mp->lock);
-	mp->timeout_active = 0;
-
-	if (port_aaui >= 0)
-		mp->port_aaui = port_aaui;
-	else {
-		/* Apple Network Server uses the AAUI port */
-		if (of_machine_is_compatible("AAPL,ShinerESB"))
-			mp->port_aaui = 1;
-		else {
-#ifdef CONFIG_MACE_AAUI_PORT
-			mp->port_aaui = 1;
-#else
-			mp->port_aaui = 0;
-#endif
-		}
-	}
-
-	dev->netdev_ops = &mace_netdev_ops;
-
-	/*
-	 * Most of what is below could be moved to mace_open()
-	 */
-	mace_reset(dev);
-
-	rc = request_irq(dev->irq, mace_interrupt, 0, "MACE", dev);
-	if (rc) {
-		printk(KERN_ERR "MACE: can't get irq %d\n", dev->irq);
-		goto err_unmap_rx_dma;
-	}
-	rc = request_irq(mp->tx_dma_intr, mace_txdma_intr, 0, "MACE-txdma", dev);
-	if (rc) {
-		printk(KERN_ERR "MACE: can't get irq %d\n", mp->tx_dma_intr);
-		goto err_free_irq;
-	}
-	rc = request_irq(mp->rx_dma_intr, mace_rxdma_intr, 0, "MACE-rxdma", dev);
-	if (rc) {
-		printk(KERN_ERR "MACE: can't get irq %d\n", mp->rx_dma_intr);
-		goto err_free_tx_irq;
-	}
-
-	rc = register_netdev(dev);
-	if (rc) {
-		printk(KERN_ERR "MACE: Cannot register net device, aborting.\n");
-		goto err_free_rx_irq;
-	}
-
-	printk(KERN_INFO "%s: MACE at %pM, chip revision %d.%d\n",
-	       dev->name, dev->dev_addr,
-	       mp->chipid >> 8, mp->chipid & 0xff);
-
-	return 0;
-
- err_free_rx_irq:
-	free_irq(macio_irq(mdev, 2), dev);
- err_free_tx_irq:
-	free_irq(macio_irq(mdev, 1), dev);
- err_free_irq:
-	free_irq(macio_irq(mdev, 0), dev);
- err_unmap_rx_dma:
-	iounmap(mp->rx_dma);
- err_unmap_tx_dma:
-	iounmap(mp->tx_dma);
- err_unmap_io:
-	iounmap(mp->mace);
- err_free:
-	free_netdev(dev);
- err_release:
-	macio_release_resources(mdev);
-
-	return rc;
-}
-
-static int __devexit mace_remove(struct macio_dev *mdev)
-{
-	struct net_device *dev = macio_get_drvdata(mdev);
-	struct mace_data *mp;
-
-	BUG_ON(dev == NULL);
-
-	macio_set_drvdata(mdev, NULL);
-
-	mp = netdev_priv(dev);
-
-	unregister_netdev(dev);
-
-	free_irq(dev->irq, dev);
-	free_irq(mp->tx_dma_intr, dev);
-	free_irq(mp->rx_dma_intr, dev);
-
-	iounmap(mp->rx_dma);
-	iounmap(mp->tx_dma);
-	iounmap(mp->mace);
-
-	free_netdev(dev);
-
-	macio_release_resources(mdev);
-
-	return 0;
-}
-
-static void dbdma_reset(volatile struct dbdma_regs __iomem *dma)
-{
-    int i;
-
-    out_le32(&dma->control, (WAKE|FLUSH|PAUSE|RUN) << 16);
-
-    /*
-     * Yes this looks peculiar, but apparently it needs to be this
-     * way on some machines.
-     */
-    for (i = 200; i > 0; --i)
-	if (ld_le32(&dma->control) & RUN)
-	    udelay(1);
-}
-
-static void mace_reset(struct net_device *dev)
-{
-    struct mace_data *mp = netdev_priv(dev);
-    volatile struct mace __iomem *mb = mp->mace;
-    int i;
-
-    /* soft-reset the chip */
-    i = 200;
-    while (--i) {
-	out_8(&mb->biucc, SWRST);
-	if (in_8(&mb->biucc) & SWRST) {
-	    udelay(10);
-	    continue;
-	}
-	break;
-    }
-    if (!i) {
-	printk(KERN_ERR "mace: cannot reset chip!\n");
-	return;
-    }
-
-    out_8(&mb->imr, 0xff);	/* disable all intrs for now */
-    i = in_8(&mb->ir);
-    out_8(&mb->maccc, 0);	/* turn off tx, rx */
-
-    out_8(&mb->biucc, XMTSP_64);
-    out_8(&mb->utr, RTRD);
-    out_8(&mb->fifocc, RCVFW_32 | XMTFW_16 | XMTFWU | RCVFWU | XMTBRST);
-    out_8(&mb->xmtfc, AUTO_PAD_XMIT); /* auto-pad short frames */
-    out_8(&mb->rcvfc, 0);
-
-    /* load up the hardware address */
-    __mace_set_address(dev, dev->dev_addr);
-
-    /* clear the multicast filter */
-    if (mp->chipid == BROKEN_ADDRCHG_REV)
-	out_8(&mb->iac, LOGADDR);
-    else {
-	out_8(&mb->iac, ADDRCHG | LOGADDR);
-	while ((in_8(&mb->iac) & ADDRCHG) != 0)
-		;
-    }
-    for (i = 0; i < 8; ++i)
-	out_8(&mb->ladrf, 0);
-
-    /* done changing address */
-    if (mp->chipid != BROKEN_ADDRCHG_REV)
-	out_8(&mb->iac, 0);
-
-    if (mp->port_aaui)
-    	out_8(&mb->plscc, PORTSEL_AUI + ENPLSIO);
-    else
-    	out_8(&mb->plscc, PORTSEL_GPSI + ENPLSIO);
-}
-
-static void __mace_set_address(struct net_device *dev, void *addr)
-{
-    struct mace_data *mp = netdev_priv(dev);
-    volatile struct mace __iomem *mb = mp->mace;
-    unsigned char *p = addr;
-    int i;
-
-    /* load up the hardware address */
-    if (mp->chipid == BROKEN_ADDRCHG_REV)
-    	out_8(&mb->iac, PHYADDR);
-    else {
-    	out_8(&mb->iac, ADDRCHG | PHYADDR);
-	while ((in_8(&mb->iac) & ADDRCHG) != 0)
-	    ;
-    }
-    for (i = 0; i < 6; ++i)
-	out_8(&mb->padr, dev->dev_addr[i] = p[i]);
-    if (mp->chipid != BROKEN_ADDRCHG_REV)
-        out_8(&mb->iac, 0);
-}
-
-static int mace_set_address(struct net_device *dev, void *addr)
-{
-    struct mace_data *mp = netdev_priv(dev);
-    volatile struct mace __iomem *mb = mp->mace;
-    unsigned long flags;
-
-    spin_lock_irqsave(&mp->lock, flags);
-
-    __mace_set_address(dev, addr);
-
-    /* note: setting ADDRCHG clears ENRCV */
-    out_8(&mb->maccc, mp->maccc);
-
-    spin_unlock_irqrestore(&mp->lock, flags);
-    return 0;
-}
-
-static inline void mace_clean_rings(struct mace_data *mp)
-{
-    int i;
-
-    /* free some skb's */
-    for (i = 0; i < N_RX_RING; ++i) {
-	if (mp->rx_bufs[i] != NULL) {
-	    dev_kfree_skb(mp->rx_bufs[i]);
-	    mp->rx_bufs[i] = NULL;
-	}
-    }
-    for (i = mp->tx_empty; i != mp->tx_fill; ) {
-	dev_kfree_skb(mp->tx_bufs[i]);
-	if (++i >= N_TX_RING)
-	    i = 0;
-    }
-}
-
-static int mace_open(struct net_device *dev)
-{
-    struct mace_data *mp = netdev_priv(dev);
-    volatile struct mace __iomem *mb = mp->mace;
-    volatile struct dbdma_regs __iomem *rd = mp->rx_dma;
-    volatile struct dbdma_regs __iomem *td = mp->tx_dma;
-    volatile struct dbdma_cmd *cp;
-    int i;
-    struct sk_buff *skb;
-    unsigned char *data;
-
-    /* reset the chip */
-    mace_reset(dev);
-
-    /* initialize list of sk_buffs for receiving and set up recv dma */
-    mace_clean_rings(mp);
-    memset((char *)mp->rx_cmds, 0, N_RX_RING * sizeof(struct dbdma_cmd));
-    cp = mp->rx_cmds;
-    for (i = 0; i < N_RX_RING - 1; ++i) {
-	skb = dev_alloc_skb(RX_BUFLEN + 2);
-	if (!skb) {
-	    data = dummy_buf;
-	} else {
-	    skb_reserve(skb, 2);	/* so IP header lands on 4-byte bdry */
-	    data = skb->data;
-	}
-	mp->rx_bufs[i] = skb;
-	st_le16(&cp->req_count, RX_BUFLEN);
-	st_le16(&cp->command, INPUT_LAST + INTR_ALWAYS);
-	st_le32(&cp->phy_addr, virt_to_bus(data));
-	cp->xfer_status = 0;
-	++cp;
-    }
-    mp->rx_bufs[i] = NULL;
-    st_le16(&cp->command, DBDMA_STOP);
-    mp->rx_fill = i;
-    mp->rx_empty = 0;
-
-    /* Put a branch back to the beginning of the receive command list */
-    ++cp;
-    st_le16(&cp->command, DBDMA_NOP + BR_ALWAYS);
-    st_le32(&cp->cmd_dep, virt_to_bus(mp->rx_cmds));
-
-    /* start rx dma */
-    out_le32(&rd->control, (RUN|PAUSE|FLUSH|WAKE) << 16); /* clear run bit */
-    out_le32(&rd->cmdptr, virt_to_bus(mp->rx_cmds));
-    out_le32(&rd->control, (RUN << 16) | RUN);
-
-    /* put a branch at the end of the tx command list */
-    cp = mp->tx_cmds + NCMDS_TX * N_TX_RING;
-    st_le16(&cp->command, DBDMA_NOP + BR_ALWAYS);
-    st_le32(&cp->cmd_dep, virt_to_bus(mp->tx_cmds));
-
-    /* reset tx dma */
-    out_le32(&td->control, (RUN|PAUSE|FLUSH|WAKE) << 16);
-    out_le32(&td->cmdptr, virt_to_bus(mp->tx_cmds));
-    mp->tx_fill = 0;
-    mp->tx_empty = 0;
-    mp->tx_fullup = 0;
-    mp->tx_active = 0;
-    mp->tx_bad_runt = 0;
-
-    /* turn it on! */
-    out_8(&mb->maccc, mp->maccc);
-    /* enable all interrupts except receive interrupts */
-    out_8(&mb->imr, RCVINT);
-
-    return 0;
-}
-
-static int mace_close(struct net_device *dev)
-{
-    struct mace_data *mp = netdev_priv(dev);
-    volatile struct mace __iomem *mb = mp->mace;
-    volatile struct dbdma_regs __iomem *rd = mp->rx_dma;
-    volatile struct dbdma_regs __iomem *td = mp->tx_dma;
-
-    /* disable rx and tx */
-    out_8(&mb->maccc, 0);
-    out_8(&mb->imr, 0xff);		/* disable all intrs */
-
-    /* disable rx and tx dma */
-    st_le32(&rd->control, (RUN|PAUSE|FLUSH|WAKE) << 16); /* clear run bit */
-    st_le32(&td->control, (RUN|PAUSE|FLUSH|WAKE) << 16); /* clear run bit */
-
-    mace_clean_rings(mp);
-
-    return 0;
-}
-
-static inline void mace_set_timeout(struct net_device *dev)
-{
-    struct mace_data *mp = netdev_priv(dev);
-
-    if (mp->timeout_active)
-	del_timer(&mp->tx_timeout);
-    mp->tx_timeout.expires = jiffies + TX_TIMEOUT;
-    mp->tx_timeout.function = mace_tx_timeout;
-    mp->tx_timeout.data = (unsigned long) dev;
-    add_timer(&mp->tx_timeout);
-    mp->timeout_active = 1;
-}
-
-static int mace_xmit_start(struct sk_buff *skb, struct net_device *dev)
-{
-    struct mace_data *mp = netdev_priv(dev);
-    volatile struct dbdma_regs __iomem *td = mp->tx_dma;
-    volatile struct dbdma_cmd *cp, *np;
-    unsigned long flags;
-    int fill, next, len;
-
-    /* see if there's a free slot in the tx ring */
-    spin_lock_irqsave(&mp->lock, flags);
-    fill = mp->tx_fill;
-    next = fill + 1;
-    if (next >= N_TX_RING)
-	next = 0;
-    if (next == mp->tx_empty) {
-	netif_stop_queue(dev);
-	mp->tx_fullup = 1;
-	spin_unlock_irqrestore(&mp->lock, flags);
-	return NETDEV_TX_BUSY;		/* can't take it at the moment */
-    }
-    spin_unlock_irqrestore(&mp->lock, flags);
-
-    /* partially fill in the dma command block */
-    len = skb->len;
-    if (len > ETH_FRAME_LEN) {
-	printk(KERN_DEBUG "mace: xmit frame too long (%d)\n", len);
-	len = ETH_FRAME_LEN;
-    }
-    mp->tx_bufs[fill] = skb;
-    cp = mp->tx_cmds + NCMDS_TX * fill;
-    st_le16(&cp->req_count, len);
-    st_le32(&cp->phy_addr, virt_to_bus(skb->data));
-
-    np = mp->tx_cmds + NCMDS_TX * next;
-    out_le16(&np->command, DBDMA_STOP);
-
-    /* poke the tx dma channel */
-    spin_lock_irqsave(&mp->lock, flags);
-    mp->tx_fill = next;
-    if (!mp->tx_bad_runt && mp->tx_active < MAX_TX_ACTIVE) {
-	out_le16(&cp->xfer_status, 0);
-	out_le16(&cp->command, OUTPUT_LAST);
-	out_le32(&td->control, ((RUN|WAKE) << 16) + (RUN|WAKE));
-	++mp->tx_active;
-	mace_set_timeout(dev);
-    }
-    if (++next >= N_TX_RING)
-	next = 0;
-    if (next == mp->tx_empty)
-	netif_stop_queue(dev);
-    spin_unlock_irqrestore(&mp->lock, flags);
-
-    return NETDEV_TX_OK;
-}
-
-static void mace_set_multicast(struct net_device *dev)
-{
-    struct mace_data *mp = netdev_priv(dev);
-    volatile struct mace __iomem *mb = mp->mace;
-    int i;
-    u32 crc;
-    unsigned long flags;
-
-    spin_lock_irqsave(&mp->lock, flags);
-    mp->maccc &= ~PROM;
-    if (dev->flags & IFF_PROMISC) {
-	mp->maccc |= PROM;
-    } else {
-	unsigned char multicast_filter[8];
-	struct netdev_hw_addr *ha;
-
-	if (dev->flags & IFF_ALLMULTI) {
-	    for (i = 0; i < 8; i++)
-		multicast_filter[i] = 0xff;
-	} else {
-	    for (i = 0; i < 8; i++)
-		multicast_filter[i] = 0;
-	    netdev_for_each_mc_addr(ha, dev) {
-	        crc = ether_crc_le(6, ha->addr);
-		i = crc >> 26;	/* bit number in multicast_filter */
-		multicast_filter[i >> 3] |= 1 << (i & 7);
-	    }
-	}
-#if 0
-	printk("Multicast filter :");
-	for (i = 0; i < 8; i++)
-	    printk("%02x ", multicast_filter[i]);
-	printk("\n");
-#endif
-
-	if (mp->chipid == BROKEN_ADDRCHG_REV)
-	    out_8(&mb->iac, LOGADDR);
-	else {
-	    out_8(&mb->iac, ADDRCHG | LOGADDR);
-	    while ((in_8(&mb->iac) & ADDRCHG) != 0)
-		;
-	}
-	for (i = 0; i < 8; ++i)
-	    out_8(&mb->ladrf, multicast_filter[i]);
-	if (mp->chipid != BROKEN_ADDRCHG_REV)
-	    out_8(&mb->iac, 0);
-    }
-    /* reset maccc */
-    out_8(&mb->maccc, mp->maccc);
-    spin_unlock_irqrestore(&mp->lock, flags);
-}
-
-static void mace_handle_misc_intrs(struct mace_data *mp, int intr, struct net_device *dev)
-{
-    volatile struct mace __iomem *mb = mp->mace;
-    static int mace_babbles, mace_jabbers;
-
-    if (intr & MPCO)
-	dev->stats.rx_missed_errors += 256;
-    dev->stats.rx_missed_errors += in_8(&mb->mpc);   /* reading clears it */
-    if (intr & RNTPCO)
-	dev->stats.rx_length_errors += 256;
-    dev->stats.rx_length_errors += in_8(&mb->rntpc); /* reading clears it */
-    if (intr & CERR)
-	++dev->stats.tx_heartbeat_errors;
-    if (intr & BABBLE)
-	if (mace_babbles++ < 4)
-	    printk(KERN_DEBUG "mace: babbling transmitter\n");
-    if (intr & JABBER)
-	if (mace_jabbers++ < 4)
-	    printk(KERN_DEBUG "mace: jabbering transceiver\n");
-}
-
-static irqreturn_t mace_interrupt(int irq, void *dev_id)
-{
-    struct net_device *dev = (struct net_device *) dev_id;
-    struct mace_data *mp = netdev_priv(dev);
-    volatile struct mace __iomem *mb = mp->mace;
-    volatile struct dbdma_regs __iomem *td = mp->tx_dma;
-    volatile struct dbdma_cmd *cp;
-    int intr, fs, i, stat, x;
-    int xcount, dstat;
-    unsigned long flags;
-    /* static int mace_last_fs, mace_last_xcount; */
-
-    spin_lock_irqsave(&mp->lock, flags);
-    intr = in_8(&mb->ir);		/* read interrupt register */
-    in_8(&mb->xmtrc);			/* get retries */
-    mace_handle_misc_intrs(mp, intr, dev);
-
-    i = mp->tx_empty;
-    while (in_8(&mb->pr) & XMTSV) {
-	del_timer(&mp->tx_timeout);
-	mp->timeout_active = 0;
-	/*
-	 * Clear any interrupt indication associated with this status
-	 * word.  This appears to unlatch any error indication from
-	 * the DMA controller.
-	 */
-	intr = in_8(&mb->ir);
-	if (intr != 0)
-	    mace_handle_misc_intrs(mp, intr, dev);
-	if (mp->tx_bad_runt) {
-	    fs = in_8(&mb->xmtfs);
-	    mp->tx_bad_runt = 0;
-	    out_8(&mb->xmtfc, AUTO_PAD_XMIT);
-	    continue;
-	}
-	dstat = ld_le32(&td->status);
-	/* stop DMA controller */
-	out_le32(&td->control, RUN << 16);
-	/*
-	 * xcount is the number of complete frames which have been
-	 * written to the fifo but for which status has not been read.
-	 */
-	xcount = (in_8(&mb->fifofc) >> XMTFC_SH) & XMTFC_MASK;
-	if (xcount == 0 || (dstat & DEAD)) {
-	    /*
-	     * If a packet was aborted before the DMA controller has
-	     * finished transferring it, it seems that there are 2 bytes
-	     * which are stuck in some buffer somewhere.  These will get
-	     * transmitted as soon as we read the frame status (which
-	     * reenables the transmit data transfer request).  Turning
-	     * off the DMA controller and/or resetting the MACE doesn't
-	     * help.  So we disable auto-padding and FCS transmission
-	     * so the two bytes will only be a runt packet which should
-	     * be ignored by other stations.
-	     */
-	    out_8(&mb->xmtfc, DXMTFCS);
-	}
-	fs = in_8(&mb->xmtfs);
-	if ((fs & XMTSV) == 0) {
-	    printk(KERN_ERR "mace: xmtfs not valid! (fs=%x xc=%d ds=%x)\n",
-		   fs, xcount, dstat);
-	    mace_reset(dev);
-		/*
-		 * XXX mace likes to hang the machine after a xmtfs error.
-		 * This is hard to reproduce, reseting *may* help
-		 */
-	}
-	cp = mp->tx_cmds + NCMDS_TX * i;
-	stat = ld_le16(&cp->xfer_status);
-	if ((fs & (UFLO|LCOL|LCAR|RTRY)) || (dstat & DEAD) || xcount == 0) {
-	    /*
-	     * Check whether there were in fact 2 bytes written to
-	     * the transmit FIFO.
-	     */
-	    udelay(1);
-	    x = (in_8(&mb->fifofc) >> XMTFC_SH) & XMTFC_MASK;
-	    if (x != 0) {
-		/* there were two bytes with an end-of-packet indication */
-		mp->tx_bad_runt = 1;
-		mace_set_timeout(dev);
-	    } else {
-		/*
-		 * Either there weren't the two bytes buffered up, or they
-		 * didn't have an end-of-packet indication.
-		 * We flush the transmit FIFO just in case (by setting the
-		 * XMTFWU bit with the transmitter disabled).
-		 */
-		out_8(&mb->maccc, in_8(&mb->maccc) & ~ENXMT);
-		out_8(&mb->fifocc, in_8(&mb->fifocc) | XMTFWU);
-		udelay(1);
-		out_8(&mb->maccc, in_8(&mb->maccc) | ENXMT);
-		out_8(&mb->xmtfc, AUTO_PAD_XMIT);
-	    }
-	}
-	/* dma should have finished */
-	if (i == mp->tx_fill) {
-	    printk(KERN_DEBUG "mace: tx ring ran out? (fs=%x xc=%d ds=%x)\n",
-		   fs, xcount, dstat);
-	    continue;
-	}
-	/* Update stats */
-	if (fs & (UFLO|LCOL|LCAR|RTRY)) {
-	    ++dev->stats.tx_errors;
-	    if (fs & LCAR)
-		++dev->stats.tx_carrier_errors;
-	    if (fs & (UFLO|LCOL|RTRY))
-		++dev->stats.tx_aborted_errors;
-	} else {
-	    dev->stats.tx_bytes += mp->tx_bufs[i]->len;
-	    ++dev->stats.tx_packets;
-	}
-	dev_kfree_skb_irq(mp->tx_bufs[i]);
-	--mp->tx_active;
-	if (++i >= N_TX_RING)
-	    i = 0;
-#if 0
-	mace_last_fs = fs;
-	mace_last_xcount = xcount;
-#endif
-    }
-
-    if (i != mp->tx_empty) {
-	mp->tx_fullup = 0;
-	netif_wake_queue(dev);
-    }
-    mp->tx_empty = i;
-    i += mp->tx_active;
-    if (i >= N_TX_RING)
-	i -= N_TX_RING;
-    if (!mp->tx_bad_runt && i != mp->tx_fill && mp->tx_active < MAX_TX_ACTIVE) {
-	do {
-	    /* set up the next one */
-	    cp = mp->tx_cmds + NCMDS_TX * i;
-	    out_le16(&cp->xfer_status, 0);
-	    out_le16(&cp->command, OUTPUT_LAST);
-	    ++mp->tx_active;
-	    if (++i >= N_TX_RING)
-		i = 0;
-	} while (i != mp->tx_fill && mp->tx_active < MAX_TX_ACTIVE);
-	out_le32(&td->control, ((RUN|WAKE) << 16) + (RUN|WAKE));
-	mace_set_timeout(dev);
-    }
-    spin_unlock_irqrestore(&mp->lock, flags);
-    return IRQ_HANDLED;
-}
-
-static void mace_tx_timeout(unsigned long data)
-{
-    struct net_device *dev = (struct net_device *) data;
-    struct mace_data *mp = netdev_priv(dev);
-    volatile struct mace __iomem *mb = mp->mace;
-    volatile struct dbdma_regs __iomem *td = mp->tx_dma;
-    volatile struct dbdma_regs __iomem *rd = mp->rx_dma;
-    volatile struct dbdma_cmd *cp;
-    unsigned long flags;
-    int i;
-
-    spin_lock_irqsave(&mp->lock, flags);
-    mp->timeout_active = 0;
-    if (mp->tx_active == 0 && !mp->tx_bad_runt)
-	goto out;
-
-    /* update various counters */
-    mace_handle_misc_intrs(mp, in_8(&mb->ir), dev);
-
-    cp = mp->tx_cmds + NCMDS_TX * mp->tx_empty;
-
-    /* turn off both tx and rx and reset the chip */
-    out_8(&mb->maccc, 0);
-    printk(KERN_ERR "mace: transmit timeout - resetting\n");
-    dbdma_reset(td);
-    mace_reset(dev);
-
-    /* restart rx dma */
-    cp = bus_to_virt(ld_le32(&rd->cmdptr));
-    dbdma_reset(rd);
-    out_le16(&cp->xfer_status, 0);
-    out_le32(&rd->cmdptr, virt_to_bus(cp));
-    out_le32(&rd->control, (RUN << 16) | RUN);
-
-    /* fix up the transmit side */
-    i = mp->tx_empty;
-    mp->tx_active = 0;
-    ++dev->stats.tx_errors;
-    if (mp->tx_bad_runt) {
-	mp->tx_bad_runt = 0;
-    } else if (i != mp->tx_fill) {
-	dev_kfree_skb(mp->tx_bufs[i]);
-	if (++i >= N_TX_RING)
-	    i = 0;
-	mp->tx_empty = i;
-    }
-    mp->tx_fullup = 0;
-    netif_wake_queue(dev);
-    if (i != mp->tx_fill) {
-	cp = mp->tx_cmds + NCMDS_TX * i;
-	out_le16(&cp->xfer_status, 0);
-	out_le16(&cp->command, OUTPUT_LAST);
-	out_le32(&td->cmdptr, virt_to_bus(cp));
-	out_le32(&td->control, (RUN << 16) | RUN);
-	++mp->tx_active;
-	mace_set_timeout(dev);
-    }
-
-    /* turn it back on */
-    out_8(&mb->imr, RCVINT);
-    out_8(&mb->maccc, mp->maccc);
-
-out:
-    spin_unlock_irqrestore(&mp->lock, flags);
-}
-
-static irqreturn_t mace_txdma_intr(int irq, void *dev_id)
-{
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t mace_rxdma_intr(int irq, void *dev_id)
-{
-    struct net_device *dev = (struct net_device *) dev_id;
-    struct mace_data *mp = netdev_priv(dev);
-    volatile struct dbdma_regs __iomem *rd = mp->rx_dma;
-    volatile struct dbdma_cmd *cp, *np;
-    int i, nb, stat, next;
-    struct sk_buff *skb;
-    unsigned frame_status;
-    static int mace_lost_status;
-    unsigned char *data;
-    unsigned long flags;
-
-    spin_lock_irqsave(&mp->lock, flags);
-    for (i = mp->rx_empty; i != mp->rx_fill; ) {
-	cp = mp->rx_cmds + i;
-	stat = ld_le16(&cp->xfer_status);
-	if ((stat & ACTIVE) == 0) {
-	    next = i + 1;
-	    if (next >= N_RX_RING)
-		next = 0;
-	    np = mp->rx_cmds + next;
-	    if (next != mp->rx_fill &&
-		(ld_le16(&np->xfer_status) & ACTIVE) != 0) {
-		printk(KERN_DEBUG "mace: lost a status word\n");
-		++mace_lost_status;
-	    } else
-		break;
-	}
-	nb = ld_le16(&cp->req_count) - ld_le16(&cp->res_count);
-	out_le16(&cp->command, DBDMA_STOP);
-	/* got a packet, have a look at it */
-	skb = mp->rx_bufs[i];
-	if (!skb) {
-	    ++dev->stats.rx_dropped;
-	} else if (nb > 8) {
-	    data = skb->data;
-	    frame_status = (data[nb-3] << 8) + data[nb-4];
-	    if (frame_status & (RS_OFLO|RS_CLSN|RS_FRAMERR|RS_FCSERR)) {
-		++dev->stats.rx_errors;
-		if (frame_status & RS_OFLO)
-		    ++dev->stats.rx_over_errors;
-		if (frame_status & RS_FRAMERR)
-		    ++dev->stats.rx_frame_errors;
-		if (frame_status & RS_FCSERR)
-		    ++dev->stats.rx_crc_errors;
-	    } else {
-		/* Mace feature AUTO_STRIP_RCV is on by default, dropping the
-		 * FCS on frames with 802.3 headers. This means that Ethernet
-		 * frames have 8 extra octets at the end, while 802.3 frames
-		 * have only 4. We need to correctly account for this. */
-		if (*(unsigned short *)(data+12) < 1536) /* 802.3 header */
-		    nb -= 4;
-		else	/* Ethernet header; mace includes FCS */
-		    nb -= 8;
-		skb_put(skb, nb);
-		skb->protocol = eth_type_trans(skb, dev);
-		dev->stats.rx_bytes += skb->len;
-		netif_rx(skb);
-		mp->rx_bufs[i] = NULL;
-		++dev->stats.rx_packets;
-	    }
-	} else {
-	    ++dev->stats.rx_errors;
-	    ++dev->stats.rx_length_errors;
-	}
-
-	/* advance to next */
-	if (++i >= N_RX_RING)
-	    i = 0;
-    }
-    mp->rx_empty = i;
-
-    i = mp->rx_fill;
-    for (;;) {
-	next = i + 1;
-	if (next >= N_RX_RING)
-	    next = 0;
-	if (next == mp->rx_empty)
-	    break;
-	cp = mp->rx_cmds + i;
-	skb = mp->rx_bufs[i];
-	if (!skb) {
-	    skb = dev_alloc_skb(RX_BUFLEN + 2);
-	    if (skb) {
-		skb_reserve(skb, 2);
-		mp->rx_bufs[i] = skb;
-	    }
-	}
-	st_le16(&cp->req_count, RX_BUFLEN);
-	data = skb? skb->data: dummy_buf;
-	st_le32(&cp->phy_addr, virt_to_bus(data));
-	out_le16(&cp->xfer_status, 0);
-	out_le16(&cp->command, INPUT_LAST + INTR_ALWAYS);
-#if 0
-	if ((ld_le32(&rd->status) & ACTIVE) != 0) {
-	    out_le32(&rd->control, (PAUSE << 16) | PAUSE);
-	    while ((in_le32(&rd->status) & ACTIVE) != 0)
-		;
-	}
-#endif
-	i = next;
-    }
-    if (i != mp->rx_fill) {
-	out_le32(&rd->control, ((RUN|WAKE) << 16) | (RUN|WAKE));
-	mp->rx_fill = i;
-    }
-    spin_unlock_irqrestore(&mp->lock, flags);
-    return IRQ_HANDLED;
-}
-
-static struct of_device_id mace_match[] =
-{
-	{
-	.name 		= "mace",
-	},
-	{},
-};
-MODULE_DEVICE_TABLE (of, mace_match);
-
-static struct macio_driver mace_driver =
-{
-	.driver = {
-		.name 		= "mace",
-		.owner		= THIS_MODULE,
-		.of_match_table	= mace_match,
-	},
-	.probe		= mace_probe,
-	.remove		= mace_remove,
-};
-
-
-static int __init mace_init(void)
-{
-	return macio_register_driver(&mace_driver);
-}
-
-static void __exit mace_cleanup(void)
-{
-	macio_unregister_driver(&mace_driver);
-
-	kfree(dummy_buf);
-	dummy_buf = NULL;
-}
-
-MODULE_AUTHOR("Paul Mackerras");
-MODULE_DESCRIPTION("PowerMac MACE driver.");
-module_param(port_aaui, int, 0);
-MODULE_PARM_DESC(port_aaui, "MACE uses AAUI port (0-1)");
-MODULE_LICENSE("GPL");
-
-module_init(mace_init);
-module_exit(mace_cleanup);