macb: Move the Atmel driver

Move the Atmel driver into drivers/net/ethernet/cadence/ and
make the necessary Kconfig and Makefile changes.

CC: Nicolas Ferre <nicolas.ferre@atmel.com>
CC: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>

4 files changed, 0 insertions, 1381 deletions

diff --git a/drivers/net/arm/Kconfig b/drivers/net/arm/Kconfig
deleted file mode 100644
index 57d16b91d102..000000000000
--- a/drivers/net/arm/Kconfig
+++ /dev/null
@@ -1,12 +0,0 @@
-#
-# Acorn Network device configuration
-#  These are for Acorn's Expansion card network interfaces
-#
-
-config ARM_AT91_ETHER
-	tristate "AT91RM9200 Ethernet support"
-	depends on ARM && ARCH_AT91RM9200
-	select MII
-	help
-	  If you wish to compile a kernel for the AT91RM9200 and enable
-	  ethernet support, then you should always answer Y to this.
diff --git a/drivers/net/arm/Makefile b/drivers/net/arm/Makefile
deleted file mode 100644
index fc0f85c53a7e..000000000000
--- a/drivers/net/arm/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-# File: drivers/net/arm/Makefile
-#
-# Makefile for the ARM network device drivers
-#
-
-obj-$(CONFIG_ARM_AT91_ETHER)	+= at91_ether.o
diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c
deleted file mode 100644
index 29dc43523cec..000000000000
--- a/drivers/net/arm/at91_ether.c
+++ /dev/null
@@ -1,1254 +0,0 @@
-/*
- * Ethernet driver for the Atmel AT91RM9200 (Thunder)
- *
- *  Copyright (C) 2003 SAN People (Pty) Ltd
- *
- * Based on an earlier Atmel EMAC macrocell driver by Atmel and Lineo Inc.
- * Initial version by Rick Bronson 01/11/2003
- *
- * Intel LXT971A PHY support by Christopher Bahns & David Knickerbocker
- *   (Polaroid Corporation)
- *
- * Realtek RTL8201(B)L PHY support by Roman Avramenko <roman@imsystems.ru>
- *
- * This program 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.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/mii.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/dma-mapping.h>
-#include <linux/ethtool.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-#include <linux/gfp.h>
-
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/mach-types.h>
-
-#include <mach/at91rm9200_emac.h>
-#include <mach/gpio.h>
-#include <mach/board.h>
-
-#include "at91_ether.h"
-
-#define DRV_NAME	"at91_ether"
-#define DRV_VERSION	"1.0"
-
-#define LINK_POLL_INTERVAL	(HZ)
-
-/* ..................................................................... */
-
-/*
- * Read from a EMAC register.
- */
-static inline unsigned long at91_emac_read(unsigned int reg)
-{
-	void __iomem *emac_base = (void __iomem *)AT91_VA_BASE_EMAC;
-
-	return __raw_readl(emac_base + reg);
-}
-
-/*
- * Write to a EMAC register.
- */
-static inline void at91_emac_write(unsigned int reg, unsigned long value)
-{
-	void __iomem *emac_base = (void __iomem *)AT91_VA_BASE_EMAC;
-
-	__raw_writel(value, emac_base + reg);
-}
-
-/* ........................... PHY INTERFACE ........................... */
-
-/*
- * Enable the MDIO bit in MAC control register
- * When not called from an interrupt-handler, access to the PHY must be
- *  protected by a spinlock.
- */
-static void enable_mdi(void)
-{
-	unsigned long ctl;
-
-	ctl = at91_emac_read(AT91_EMAC_CTL);
-	at91_emac_write(AT91_EMAC_CTL, ctl | AT91_EMAC_MPE);	/* enable management port */
-}
-
-/*
- * Disable the MDIO bit in the MAC control register
- */
-static void disable_mdi(void)
-{
-	unsigned long ctl;
-
-	ctl = at91_emac_read(AT91_EMAC_CTL);
-	at91_emac_write(AT91_EMAC_CTL, ctl & ~AT91_EMAC_MPE);	/* disable management port */
-}
-
-/*
- * Wait until the PHY operation is complete.
- */
-static inline void at91_phy_wait(void) {
-	unsigned long timeout = jiffies + 2;
-
-	while (!(at91_emac_read(AT91_EMAC_SR) & AT91_EMAC_SR_IDLE)) {
-		if (time_after(jiffies, timeout)) {
-			printk("at91_ether: MIO timeout\n");
-			break;
-		}
-		cpu_relax();
-	}
-}
-
-/*
- * Write value to the a PHY register
- * Note: MDI interface is assumed to already have been enabled.
- */
-static void write_phy(unsigned char phy_addr, unsigned char address, unsigned int value)
-{
-	at91_emac_write(AT91_EMAC_MAN, AT91_EMAC_MAN_802_3 | AT91_EMAC_RW_W
-		| ((phy_addr & 0x1f) << 23) | (address << 18) | (value & AT91_EMAC_DATA));
-
-	/* Wait until IDLE bit in Network Status register is cleared */
-	at91_phy_wait();
-}
-
-/*
- * Read value stored in a PHY register.
- * Note: MDI interface is assumed to already have been enabled.
- */
-static void read_phy(unsigned char phy_addr, unsigned char address, unsigned int *value)
-{
-	at91_emac_write(AT91_EMAC_MAN, AT91_EMAC_MAN_802_3 | AT91_EMAC_RW_R
-		| ((phy_addr & 0x1f) << 23) | (address << 18));
-
-	/* Wait until IDLE bit in Network Status register is cleared */
-	at91_phy_wait();
-
-	*value = at91_emac_read(AT91_EMAC_MAN) & AT91_EMAC_DATA;
-}
-
-/* ........................... PHY MANAGEMENT .......................... */
-
-/*
- * Access the PHY to determine the current link speed and mode, and update the
- * MAC accordingly.
- * If no link or auto-negotiation is busy, then no changes are made.
- */
-static void update_linkspeed(struct net_device *dev, int silent)
-{
-	struct at91_private *lp = netdev_priv(dev);
-	unsigned int bmsr, bmcr, lpa, mac_cfg;
-	unsigned int speed, duplex;
-
-	if (!mii_link_ok(&lp->mii)) {		/* no link */
-		netif_carrier_off(dev);
-		if (!silent)
-			printk(KERN_INFO "%s: Link down.\n", dev->name);
-		return;
-	}
-
-	/* Link up, or auto-negotiation still in progress */
-	read_phy(lp->phy_address, MII_BMSR, &bmsr);
-	read_phy(lp->phy_address, MII_BMCR, &bmcr);
-	if (bmcr & BMCR_ANENABLE) {				/* AutoNegotiation is enabled */
-		if (!(bmsr & BMSR_ANEGCOMPLETE))
-			return;			/* Do nothing - another interrupt generated when negotiation complete */
-
-		read_phy(lp->phy_address, MII_LPA, &lpa);
-		if ((lpa & LPA_100FULL) || (lpa & LPA_100HALF)) speed = SPEED_100;
-		else speed = SPEED_10;
-		if ((lpa & LPA_100FULL) || (lpa & LPA_10FULL)) duplex = DUPLEX_FULL;
-		else duplex = DUPLEX_HALF;
-	} else {
-		speed = (bmcr & BMCR_SPEED100) ? SPEED_100 : SPEED_10;
-		duplex = (bmcr & BMCR_FULLDPLX) ? DUPLEX_FULL : DUPLEX_HALF;
-	}
-
-	/* Update the MAC */
-	mac_cfg = at91_emac_read(AT91_EMAC_CFG) & ~(AT91_EMAC_SPD | AT91_EMAC_FD);
-	if (speed == SPEED_100) {
-		if (duplex == DUPLEX_FULL)		/* 100 Full Duplex */
-			mac_cfg |= AT91_EMAC_SPD | AT91_EMAC_FD;
-		else					/* 100 Half Duplex */
-			mac_cfg |= AT91_EMAC_SPD;
-	} else {
-		if (duplex == DUPLEX_FULL)		/* 10 Full Duplex */
-			mac_cfg |= AT91_EMAC_FD;
-		else {}					/* 10 Half Duplex */
-	}
-	at91_emac_write(AT91_EMAC_CFG, mac_cfg);
-
-	if (!silent)
-		printk(KERN_INFO "%s: Link now %i-%s\n", dev->name, speed, (duplex == DUPLEX_FULL) ? "FullDuplex" : "HalfDuplex");
-	netif_carrier_on(dev);
-}
-
-/*
- * Handle interrupts from the PHY
- */
-static irqreturn_t at91ether_phy_interrupt(int irq, void *dev_id)
-{
-	struct net_device *dev = (struct net_device *) dev_id;
-	struct at91_private *lp = netdev_priv(dev);
-	unsigned int phy;
-
-	/*
-	 * This hander is triggered on both edges, but the PHY chips expect
-	 * level-triggering.  We therefore have to check if the PHY actually has
-	 * an IRQ pending.
-	 */
-	enable_mdi();
-	if ((lp->phy_type == MII_DM9161_ID) || (lp->phy_type == MII_DM9161A_ID)) {
-		read_phy(lp->phy_address, MII_DSINTR_REG, &phy);	/* ack interrupt in Davicom PHY */
-		if (!(phy & (1 << 0)))
-			goto done;
-	}
-	else if (lp->phy_type == MII_LXT971A_ID) {
-		read_phy(lp->phy_address, MII_ISINTS_REG, &phy);	/* ack interrupt in Intel PHY */
-		if (!(phy & (1 << 2)))
-			goto done;
-	}
-	else if (lp->phy_type == MII_BCM5221_ID) {
-		read_phy(lp->phy_address, MII_BCMINTR_REG, &phy);	/* ack interrupt in Broadcom PHY */
-		if (!(phy & (1 << 0)))
-			goto done;
-	}
-	else if (lp->phy_type == MII_KS8721_ID) {
-		read_phy(lp->phy_address, MII_TPISTATUS, &phy);		/* ack interrupt in Micrel PHY */
-		if (!(phy & ((1 << 2) | 1)))
-			goto done;
-	}
-	else if (lp->phy_type == MII_T78Q21x3_ID) {			/* ack interrupt in Teridian PHY */
-		read_phy(lp->phy_address, MII_T78Q21INT_REG, &phy);
-		if (!(phy & ((1 << 2) | 1)))
-			goto done;
-	}
-	else if (lp->phy_type == MII_DP83848_ID) {
-		read_phy(lp->phy_address, MII_DPPHYSTS_REG, &phy);	/* ack interrupt in DP83848 PHY */
-		if (!(phy & (1 << 7)))
-			goto done;
-	}
-
-	update_linkspeed(dev, 0);
-
-done:
-	disable_mdi();
-
-	return IRQ_HANDLED;
-}
-
-/*
- * Initialize and enable the PHY interrupt for link-state changes
- */
-static void enable_phyirq(struct net_device *dev)
-{
-	struct at91_private *lp = netdev_priv(dev);
-	unsigned int dsintr, irq_number;
-	int status;
-
-	irq_number = lp->board_data.phy_irq_pin;
-	if (!irq_number) {
-		/*
-		 * PHY doesn't have an IRQ pin (RTL8201, DP83847, AC101L),
-		 * or board does not have it connected.
-		 */
-		mod_timer(&lp->check_timer, jiffies + LINK_POLL_INTERVAL);
-		return;
-	}
-
-	status = request_irq(irq_number, at91ether_phy_interrupt, 0, dev->name, dev);
-	if (status) {
-		printk(KERN_ERR "at91_ether: PHY IRQ %d request failed - status %d!\n", irq_number, status);
-		return;
-	}
-
-	spin_lock_irq(&lp->lock);
-	enable_mdi();
-
-	if ((lp->phy_type == MII_DM9161_ID) || (lp->phy_type == MII_DM9161A_ID)) {	/* for Davicom PHY */
-		read_phy(lp->phy_address, MII_DSINTR_REG, &dsintr);
-		dsintr = dsintr & ~0xf00;		/* clear bits 8..11 */
-		write_phy(lp->phy_address, MII_DSINTR_REG, dsintr);
-	}
-	else if (lp->phy_type == MII_LXT971A_ID) {	/* for Intel PHY */
-		read_phy(lp->phy_address, MII_ISINTE_REG, &dsintr);
-		dsintr = dsintr | 0xf2;			/* set bits 1, 4..7 */
-		write_phy(lp->phy_address, MII_ISINTE_REG, dsintr);
-	}
-	else if (lp->phy_type == MII_BCM5221_ID) {	/* for Broadcom PHY */
-		dsintr = (1 << 15) | ( 1 << 14);
-		write_phy(lp->phy_address, MII_BCMINTR_REG, dsintr);
-	}
-	else if (lp->phy_type == MII_KS8721_ID) {	/* for Micrel PHY */
-		dsintr = (1 << 10) | ( 1 << 8);
-		write_phy(lp->phy_address, MII_TPISTATUS, dsintr);
-	}
-	else if (lp->phy_type == MII_T78Q21x3_ID) {	/* for Teridian PHY */
-		read_phy(lp->phy_address, MII_T78Q21INT_REG, &dsintr);
-		dsintr = dsintr | 0x500;		/* set bits 8, 10 */
-		write_phy(lp->phy_address, MII_T78Q21INT_REG, dsintr);
-	}
-	else if (lp->phy_type == MII_DP83848_ID) {	/* National Semiconductor DP83848 PHY */
-		read_phy(lp->phy_address, MII_DPMISR_REG, &dsintr);
-		dsintr = dsintr | 0x3c;			/* set bits 2..5 */
-		write_phy(lp->phy_address, MII_DPMISR_REG, dsintr);
-		read_phy(lp->phy_address, MII_DPMICR_REG, &dsintr);
-		dsintr = dsintr | 0x3;			/* set bits 0,1 */
-		write_phy(lp->phy_address, MII_DPMICR_REG, dsintr);
-	}
-
-	disable_mdi();
-	spin_unlock_irq(&lp->lock);
-}
-
-/*
- * Disable the PHY interrupt
- */
-static void disable_phyirq(struct net_device *dev)
-{
-	struct at91_private *lp = netdev_priv(dev);
-	unsigned int dsintr;
-	unsigned int irq_number;
-
-	irq_number = lp->board_data.phy_irq_pin;
-	if (!irq_number) {
-		del_timer_sync(&lp->check_timer);
-		return;
-	}
-
-	spin_lock_irq(&lp->lock);
-	enable_mdi();
-
-	if ((lp->phy_type == MII_DM9161_ID) || (lp->phy_type == MII_DM9161A_ID)) {	/* for Davicom PHY */
-		read_phy(lp->phy_address, MII_DSINTR_REG, &dsintr);
-		dsintr = dsintr | 0xf00;			/* set bits 8..11 */
-		write_phy(lp->phy_address, MII_DSINTR_REG, dsintr);
-	}
-	else if (lp->phy_type == MII_LXT971A_ID) {	/* for Intel PHY */
-		read_phy(lp->phy_address, MII_ISINTE_REG, &dsintr);
-		dsintr = dsintr & ~0xf2;			/* clear bits 1, 4..7 */
-		write_phy(lp->phy_address, MII_ISINTE_REG, dsintr);
-	}
-	else if (lp->phy_type == MII_BCM5221_ID) {	/* for Broadcom PHY */
-		read_phy(lp->phy_address, MII_BCMINTR_REG, &dsintr);
-		dsintr = ~(1 << 14);
-		write_phy(lp->phy_address, MII_BCMINTR_REG, dsintr);
-	}
-	else if (lp->phy_type == MII_KS8721_ID) {	/* for Micrel PHY */
-		read_phy(lp->phy_address, MII_TPISTATUS, &dsintr);
-		dsintr = ~((1 << 10) | (1 << 8));
-		write_phy(lp->phy_address, MII_TPISTATUS, dsintr);
-	}
-	else if (lp->phy_type == MII_T78Q21x3_ID) {	/* for Teridian PHY */
-		read_phy(lp->phy_address, MII_T78Q21INT_REG, &dsintr);
-		dsintr = dsintr & ~0x500;			/* clear bits 8, 10 */
-		write_phy(lp->phy_address, MII_T78Q21INT_REG, dsintr);
-	}
-	else if (lp->phy_type == MII_DP83848_ID) {	/* National Semiconductor DP83848 PHY */
-		read_phy(lp->phy_address, MII_DPMICR_REG, &dsintr);
-		dsintr = dsintr & ~0x3;				/* clear bits 0, 1 */
-		write_phy(lp->phy_address, MII_DPMICR_REG, dsintr);
-		read_phy(lp->phy_address, MII_DPMISR_REG, &dsintr);
-		dsintr = dsintr & ~0x3c;			/* clear bits 2..5 */
-		write_phy(lp->phy_address, MII_DPMISR_REG, dsintr);
-	}
-
-	disable_mdi();
-	spin_unlock_irq(&lp->lock);
-
-	free_irq(irq_number, dev);			/* Free interrupt handler */
-}
-
-/*
- * Perform a software reset of the PHY.
- */
-#if 0
-static void reset_phy(struct net_device *dev)
-{
-	struct at91_private *lp = netdev_priv(dev);
-	unsigned int bmcr;
-
-	spin_lock_irq(&lp->lock);
-	enable_mdi();
-
-	/* Perform PHY reset */
-	write_phy(lp->phy_address, MII_BMCR, BMCR_RESET);
-
-	/* Wait until PHY reset is complete */
-	do {
-		read_phy(lp->phy_address, MII_BMCR, &bmcr);
-	} while (!(bmcr & BMCR_RESET));
-
-	disable_mdi();
-	spin_unlock_irq(&lp->lock);
-}
-#endif
-
-static void at91ether_check_link(unsigned long dev_id)
-{
-	struct net_device *dev = (struct net_device *) dev_id;
-	struct at91_private *lp = netdev_priv(dev);
-
-	enable_mdi();
-	update_linkspeed(dev, 1);
-	disable_mdi();
-
-	mod_timer(&lp->check_timer, jiffies + LINK_POLL_INTERVAL);
-}
-
-/* ......................... ADDRESS MANAGEMENT ........................ */
-
-/*
- * NOTE: Your bootloader must always set the MAC address correctly before
- * booting into Linux.
- *
- * - It must always set the MAC address after reset, even if it doesn't
- *   happen to access the Ethernet while it's booting.  Some versions of
- *   U-Boot on the AT91RM9200-DK do not do this.
- *
- * - Likewise it must store the addresses in the correct byte order.
- *   MicroMonitor (uMon) on the CSB337 does this incorrectly (and
- *   continues to do so, for bug-compatibility).
- */
-
-static short __init unpack_mac_address(struct net_device *dev, unsigned int hi, unsigned int lo)
-{
-	char addr[6];
-
-	if (machine_is_csb337()) {
-		addr[5] = (lo & 0xff);			/* The CSB337 bootloader stores the MAC the wrong-way around */
-		addr[4] = (lo & 0xff00) >> 8;
-		addr[3] = (lo & 0xff0000) >> 16;
-		addr[2] = (lo & 0xff000000) >> 24;
-		addr[1] = (hi & 0xff);
-		addr[0] = (hi & 0xff00) >> 8;
-	}
-	else {
-		addr[0] = (lo & 0xff);
-		addr[1] = (lo & 0xff00) >> 8;
-		addr[2] = (lo & 0xff0000) >> 16;
-		addr[3] = (lo & 0xff000000) >> 24;
-		addr[4] = (hi & 0xff);
-		addr[5] = (hi & 0xff00) >> 8;
-	}
-
-	if (is_valid_ether_addr(addr)) {
-		memcpy(dev->dev_addr, &addr, 6);
-		return 1;
-	}
-	return 0;
-}
-
-/*
- * Set the ethernet MAC address in dev->dev_addr
- */
-static void __init get_mac_address(struct net_device *dev)
-{
-	/* Check Specific-Address 1 */
-	if (unpack_mac_address(dev, at91_emac_read(AT91_EMAC_SA1H), at91_emac_read(AT91_EMAC_SA1L)))
-		return;
-	/* Check Specific-Address 2 */
-	if (unpack_mac_address(dev, at91_emac_read(AT91_EMAC_SA2H), at91_emac_read(AT91_EMAC_SA2L)))
-		return;
-	/* Check Specific-Address 3 */
-	if (unpack_mac_address(dev, at91_emac_read(AT91_EMAC_SA3H), at91_emac_read(AT91_EMAC_SA3L)))
-		return;
-	/* Check Specific-Address 4 */
-	if (unpack_mac_address(dev, at91_emac_read(AT91_EMAC_SA4H), at91_emac_read(AT91_EMAC_SA4L)))
-		return;
-
-	printk(KERN_ERR "at91_ether: Your bootloader did not configure a MAC address.\n");
-}
-
-/*
- * Program the hardware MAC address from dev->dev_addr.
- */
-static void update_mac_address(struct net_device *dev)
-{
-	at91_emac_write(AT91_EMAC_SA1L, (dev->dev_addr[3] << 24) | (dev->dev_addr[2] << 16) | (dev->dev_addr[1] << 8) | (dev->dev_addr[0]));
-	at91_emac_write(AT91_EMAC_SA1H, (dev->dev_addr[5] << 8) | (dev->dev_addr[4]));
-
-	at91_emac_write(AT91_EMAC_SA2L, 0);
-	at91_emac_write(AT91_EMAC_SA2H, 0);
-}
-
-/*
- * Store the new hardware address in dev->dev_addr, and update the MAC.
- */
-static int set_mac_address(struct net_device *dev, void* addr)
-{
-	struct sockaddr *address = addr;
-
-	if (!is_valid_ether_addr(address->sa_data))
-		return -EADDRNOTAVAIL;
-
-	memcpy(dev->dev_addr, address->sa_data, dev->addr_len);
-	update_mac_address(dev);
-
-	printk("%s: Setting MAC address to %pM\n", dev->name,
-	       dev->dev_addr);
-
-	return 0;
-}
-
-static int inline hash_bit_value(int bitnr, __u8 *addr)
-{
-	if (addr[bitnr / 8] & (1 << (bitnr % 8)))
-		return 1;
-	return 0;
-}
-
-/*
- * The hash address register is 64 bits long and takes up two locations in the memory map.
- * The least significant bits are stored in EMAC_HSL and the most significant
- * bits in EMAC_HSH.
- *
- * The unicast hash enable and the multicast hash enable bits in the network configuration
- *  register enable the reception of hash matched frames. The destination address is
- *  reduced to a 6 bit index into the 64 bit hash register using the following hash function.
- * The hash function is an exclusive or of every sixth bit of the destination address.
- *   hash_index[5] = da[5] ^ da[11] ^ da[17] ^ da[23] ^ da[29] ^ da[35] ^ da[41] ^ da[47]
- *   hash_index[4] = da[4] ^ da[10] ^ da[16] ^ da[22] ^ da[28] ^ da[34] ^ da[40] ^ da[46]
- *   hash_index[3] = da[3] ^ da[09] ^ da[15] ^ da[21] ^ da[27] ^ da[33] ^ da[39] ^ da[45]
- *   hash_index[2] = da[2] ^ da[08] ^ da[14] ^ da[20] ^ da[26] ^ da[32] ^ da[38] ^ da[44]
- *   hash_index[1] = da[1] ^ da[07] ^ da[13] ^ da[19] ^ da[25] ^ da[31] ^ da[37] ^ da[43]
- *   hash_index[0] = da[0] ^ da[06] ^ da[12] ^ da[18] ^ da[24] ^ da[30] ^ da[36] ^ da[42]
- * da[0] represents the least significant bit of the first byte received, that is, the multicast/
- *  unicast indicator, and da[47] represents the most significant bit of the last byte
- *  received.
- * If the hash index points to a bit that is set in the hash register then the frame will be
- *  matched according to whether the frame is multicast or unicast.
- * A multicast match will be signalled if the multicast hash enable bit is set, da[0] is 1 and
- *  the hash index points to a bit set in the hash register.
- * A unicast match will be signalled if the unicast hash enable bit is set, da[0] is 0 and the
- *  hash index points to a bit set in the hash register.
- * To receive all multicast frames, the hash register should be set with all ones and the
- *  multicast hash enable bit should be set in the network configuration register.
- */
-
-/*
- * Return the hash index value for the specified address.
- */
-static int hash_get_index(__u8 *addr)
-{
-	int i, j, bitval;
-	int hash_index = 0;
-
-	for (j = 0; j < 6; j++) {
-		for (i = 0, bitval = 0; i < 8; i++)
-			bitval ^= hash_bit_value(i*6 + j, addr);
-
-		hash_index |= (bitval << j);
-	}
-
-	return hash_index;
-}
-
-/*
- * Add multicast addresses to the internal multicast-hash table.
- */
-static void at91ether_sethashtable(struct net_device *dev)
-{
-	struct netdev_hw_addr *ha;
-	unsigned long mc_filter[2];
-	unsigned int bitnr;
-
-	mc_filter[0] = mc_filter[1] = 0;
-
-	netdev_for_each_mc_addr(ha, dev) {
-		bitnr = hash_get_index(ha->addr);
-		mc_filter[bitnr >> 5] |= 1 << (bitnr & 31);
-	}
-
-	at91_emac_write(AT91_EMAC_HSL, mc_filter[0]);
-	at91_emac_write(AT91_EMAC_HSH, mc_filter[1]);
-}
-
-/*
- * Enable/Disable promiscuous and multicast modes.
- */
-static void at91ether_set_multicast_list(struct net_device *dev)
-{
-	unsigned long cfg;
-
-	cfg = at91_emac_read(AT91_EMAC_CFG);
-
-	if (dev->flags & IFF_PROMISC)			/* Enable promiscuous mode */
-		cfg |= AT91_EMAC_CAF;
-	else if (dev->flags & (~IFF_PROMISC))		/* Disable promiscuous mode */
-		cfg &= ~AT91_EMAC_CAF;
-
-	if (dev->flags & IFF_ALLMULTI) {		/* Enable all multicast mode */
-		at91_emac_write(AT91_EMAC_HSH, -1);
-		at91_emac_write(AT91_EMAC_HSL, -1);
-		cfg |= AT91_EMAC_MTI;
-	} else if (!netdev_mc_empty(dev)) { /* Enable specific multicasts */
-		at91ether_sethashtable(dev);
-		cfg |= AT91_EMAC_MTI;
-	} else if (dev->flags & (~IFF_ALLMULTI)) {	/* Disable all multicast mode */
-		at91_emac_write(AT91_EMAC_HSH, 0);
-		at91_emac_write(AT91_EMAC_HSL, 0);
-		cfg &= ~AT91_EMAC_MTI;
-	}
-
-	at91_emac_write(AT91_EMAC_CFG, cfg);
-}
-
-/* ......................... ETHTOOL SUPPORT ........................... */
-
-static int mdio_read(struct net_device *dev, int phy_id, int location)
-{
-	unsigned int value;
-
-	read_phy(phy_id, location, &value);
-	return value;
-}
-
-static void mdio_write(struct net_device *dev, int phy_id, int location, int value)
-{
-	write_phy(phy_id, location, value);
-}
-
-static int at91ether_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
-	struct at91_private *lp = netdev_priv(dev);
-	int ret;
-
-	spin_lock_irq(&lp->lock);
-	enable_mdi();
-
-	ret = mii_ethtool_gset(&lp->mii, cmd);
-
-	disable_mdi();
-	spin_unlock_irq(&lp->lock);
-
-	if (lp->phy_media == PORT_FIBRE) {		/* override media type since mii.c doesn't know */
-		cmd->supported = SUPPORTED_FIBRE;
-		cmd->port = PORT_FIBRE;
-	}
-
-	return ret;
-}
-
-static int at91ether_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
-	struct at91_private *lp = netdev_priv(dev);
-	int ret;
-
-	spin_lock_irq(&lp->lock);
-	enable_mdi();
-
-	ret = mii_ethtool_sset(&lp->mii, cmd);
-
-	disable_mdi();
-	spin_unlock_irq(&lp->lock);
-
-	return ret;
-}
-
-static int at91ether_nwayreset(struct net_device *dev)
-{
-	struct at91_private *lp = netdev_priv(dev);
-	int ret;
-
-	spin_lock_irq(&lp->lock);
-	enable_mdi();
-
-	ret = mii_nway_restart(&lp->mii);
-
-	disable_mdi();
-	spin_unlock_irq(&lp->lock);
-
-	return ret;
-}
-
-static void at91ether_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
-{
-	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
-	strlcpy(info->version, DRV_VERSION, sizeof(info->version));
-	strlcpy(info->bus_info, dev_name(dev->dev.parent), sizeof(info->bus_info));
-}
-
-static const struct ethtool_ops at91ether_ethtool_ops = {
-	.get_settings	= at91ether_get_settings,
-	.set_settings	= at91ether_set_settings,
-	.get_drvinfo	= at91ether_get_drvinfo,
-	.nway_reset	= at91ether_nwayreset,
-	.get_link	= ethtool_op_get_link,
-};
-
-static int at91ether_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-{
-	struct at91_private *lp = netdev_priv(dev);
-	int res;
-
-	if (!netif_running(dev))
-		return -EINVAL;
-
-	spin_lock_irq(&lp->lock);
-	enable_mdi();
-	res = generic_mii_ioctl(&lp->mii, if_mii(rq), cmd, NULL);
-	disable_mdi();
-	spin_unlock_irq(&lp->lock);
-
-	return res;
-}
-
-/* ................................ MAC ................................ */
-
-/*
- * Initialize and start the Receiver and Transmit subsystems
- */
-static void at91ether_start(struct net_device *dev)
-{
-	struct at91_private *lp = netdev_priv(dev);
-	struct recv_desc_bufs *dlist, *dlist_phys;
-	int i;
-	unsigned long ctl;
-
-	dlist = lp->dlist;
-	dlist_phys = lp->dlist_phys;
-
-	for (i = 0; i < MAX_RX_DESCR; i++) {
-		dlist->descriptors[i].addr = (unsigned int) &dlist_phys->recv_buf[i][0];
-		dlist->descriptors[i].size = 0;
-	}
-
-	/* Set the Wrap bit on the last descriptor */
-	dlist->descriptors[i-1].addr |= EMAC_DESC_WRAP;
-
-	/* Reset buffer index */
-	lp->rxBuffIndex = 0;
-
-	/* Program address of descriptor list in Rx Buffer Queue register */
-	at91_emac_write(AT91_EMAC_RBQP, (unsigned long) dlist_phys);
-
-	/* Enable Receive and Transmit */
-	ctl = at91_emac_read(AT91_EMAC_CTL);
-	at91_emac_write(AT91_EMAC_CTL, ctl | AT91_EMAC_RE | AT91_EMAC_TE);
-}
-
-/*
- * Open the ethernet interface
- */
-static int at91ether_open(struct net_device *dev)
-{
-	struct at91_private *lp = netdev_priv(dev);
-	unsigned long ctl;
-
-	if (!is_valid_ether_addr(dev->dev_addr))
-		return -EADDRNOTAVAIL;
-
-	clk_enable(lp->ether_clk);		/* Re-enable Peripheral clock */
-
-	/* Clear internal statistics */
-	ctl = at91_emac_read(AT91_EMAC_CTL);
-	at91_emac_write(AT91_EMAC_CTL, ctl | AT91_EMAC_CSR);
-
-	/* Update the MAC address (incase user has changed it) */
-	update_mac_address(dev);
-
-	/* Enable PHY interrupt */
-	enable_phyirq(dev);
-
-	/* Enable MAC interrupts */
-	at91_emac_write(AT91_EMAC_IER, AT91_EMAC_RCOM | AT91_EMAC_RBNA
-				| AT91_EMAC_TUND | AT91_EMAC_RTRY | AT91_EMAC_TCOM
-				| AT91_EMAC_ROVR | AT91_EMAC_ABT);
-
-	/* Determine current link speed */
-	spin_lock_irq(&lp->lock);
-	enable_mdi();
-	update_linkspeed(dev, 0);
-	disable_mdi();
-	spin_unlock_irq(&lp->lock);
-
-	at91ether_start(dev);
-	netif_start_queue(dev);
-	return 0;
-}
-
-/*
- * Close the interface
- */
-static int at91ether_close(struct net_device *dev)
-{
-	struct at91_private *lp = netdev_priv(dev);
-	unsigned long ctl;
-
-	/* Disable Receiver and Transmitter */
-	ctl = at91_emac_read(AT91_EMAC_CTL);
-	at91_emac_write(AT91_EMAC_CTL, ctl & ~(AT91_EMAC_TE | AT91_EMAC_RE));
-
-	/* Disable PHY interrupt */
-	disable_phyirq(dev);
-
-	/* Disable MAC interrupts */
-	at91_emac_write(AT91_EMAC_IDR, AT91_EMAC_RCOM | AT91_EMAC_RBNA
-				| AT91_EMAC_TUND | AT91_EMAC_RTRY | AT91_EMAC_TCOM
-				| AT91_EMAC_ROVR | AT91_EMAC_ABT);
-
-	netif_stop_queue(dev);
-
-	clk_disable(lp->ether_clk);		/* Disable Peripheral clock */
-
-	return 0;
-}
-
-/*
- * Transmit packet.
- */
-static int at91ether_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-	struct at91_private *lp = netdev_priv(dev);
-
-	if (at91_emac_read(AT91_EMAC_TSR) & AT91_EMAC_TSR_BNQ) {
-		netif_stop_queue(dev);
-
-		/* Store packet information (to free when Tx completed) */
-		lp->skb = skb;
-		lp->skb_length = skb->len;
-		lp->skb_physaddr = dma_map_single(NULL, skb->data, skb->len, DMA_TO_DEVICE);
-		dev->stats.tx_bytes += skb->len;
-
-		/* Set address of the data in the Transmit Address register */
-		at91_emac_write(AT91_EMAC_TAR, lp->skb_physaddr);
-		/* Set length of the packet in the Transmit Control register */
-		at91_emac_write(AT91_EMAC_TCR, skb->len);
-
-	} else {
-		printk(KERN_ERR "at91_ether.c: at91ether_start_xmit() called, but device is busy!\n");
-		return NETDEV_TX_BUSY;	/* if we return anything but zero, dev.c:1055 calls kfree_skb(skb)
-				on this skb, he also reports -ENETDOWN and printk's, so either
-				we free and return(0) or don't free and return 1 */
-	}
-
-	return NETDEV_TX_OK;
-}
-
-/*
- * Update the current statistics from the internal statistics registers.
- */
-static struct net_device_stats *at91ether_stats(struct net_device *dev)
-{
-	int ale, lenerr, seqe, lcol, ecol;
-
-	if (netif_running(dev)) {
-		dev->stats.rx_packets += at91_emac_read(AT91_EMAC_OK);		/* Good frames received */
-		ale = at91_emac_read(AT91_EMAC_ALE);
-		dev->stats.rx_frame_errors += ale;				/* Alignment errors */
-		lenerr = at91_emac_read(AT91_EMAC_ELR) + at91_emac_read(AT91_EMAC_USF);
-		dev->stats.rx_length_errors += lenerr;				/* Excessive Length or Undersize Frame error */
-		seqe = at91_emac_read(AT91_EMAC_SEQE);
-		dev->stats.rx_crc_errors += seqe;				/* CRC error */
-		dev->stats.rx_fifo_errors += at91_emac_read(AT91_EMAC_DRFC);	/* Receive buffer not available */
-		dev->stats.rx_errors += (ale + lenerr + seqe
-			+ at91_emac_read(AT91_EMAC_CDE) + at91_emac_read(AT91_EMAC_RJB));
-
-		dev->stats.tx_packets += at91_emac_read(AT91_EMAC_FRA);		/* Frames successfully transmitted */
-		dev->stats.tx_fifo_errors += at91_emac_read(AT91_EMAC_TUE);	/* Transmit FIFO underruns */
-		dev->stats.tx_carrier_errors += at91_emac_read(AT91_EMAC_CSE);	/* Carrier Sense errors */
-		dev->stats.tx_heartbeat_errors += at91_emac_read(AT91_EMAC_SQEE);/* Heartbeat error */
-
-		lcol = at91_emac_read(AT91_EMAC_LCOL);
-		ecol = at91_emac_read(AT91_EMAC_ECOL);
-		dev->stats.tx_window_errors += lcol;			/* Late collisions */
-		dev->stats.tx_aborted_errors += ecol;			/* 16 collisions */
-
-		dev->stats.collisions += (at91_emac_read(AT91_EMAC_SCOL) + at91_emac_read(AT91_EMAC_MCOL) + lcol + ecol);
-	}
-	return &dev->stats;
-}
-
-/*
- * Extract received frame from buffer descriptors and sent to upper layers.
- * (Called from interrupt context)
- */
-static void at91ether_rx(struct net_device *dev)
-{
-	struct at91_private *lp = netdev_priv(dev);
-	struct recv_desc_bufs *dlist;
-	unsigned char *p_recv;
-	struct sk_buff *skb;
-	unsigned int pktlen;
-
-	dlist = lp->dlist;
-	while (dlist->descriptors[lp->rxBuffIndex].addr & EMAC_DESC_DONE) {
-		p_recv = dlist->recv_buf[lp->rxBuffIndex];
-		pktlen = dlist->descriptors[lp->rxBuffIndex].size & 0x7ff;	/* Length of frame including FCS */
-		skb = dev_alloc_skb(pktlen + 2);
-		if (skb != NULL) {
-			skb_reserve(skb, 2);
-			memcpy(skb_put(skb, pktlen), p_recv, pktlen);
-
-			skb->protocol = eth_type_trans(skb, dev);
-			dev->stats.rx_bytes += pktlen;
-			netif_rx(skb);
-		}
-		else {
-			dev->stats.rx_dropped += 1;
-			printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n", dev->name);
-		}
-
-		if (dlist->descriptors[lp->rxBuffIndex].size & EMAC_MULTICAST)
-			dev->stats.multicast++;
-
-		dlist->descriptors[lp->rxBuffIndex].addr &= ~EMAC_DESC_DONE;	/* reset ownership bit */
-		if (lp->rxBuffIndex == MAX_RX_DESCR-1)				/* wrap after last buffer */
-			lp->rxBuffIndex = 0;
-		else
-			lp->rxBuffIndex++;
-	}
-}
-
-/*
- * MAC interrupt handler
- */
-static irqreturn_t at91ether_interrupt(int irq, void *dev_id)
-{
-	struct net_device *dev = (struct net_device *) dev_id;
-	struct at91_private *lp = netdev_priv(dev);
-	unsigned long intstatus, ctl;
-
-	/* MAC Interrupt Status register indicates what interrupts are pending.
-	   It is automatically cleared once read. */
-	intstatus = at91_emac_read(AT91_EMAC_ISR);
-
-	if (intstatus & AT91_EMAC_RCOM)		/* Receive complete */
-		at91ether_rx(dev);
-
-	if (intstatus & AT91_EMAC_TCOM) {	/* Transmit complete */
-		/* The TCOM bit is set even if the transmission failed. */
-		if (intstatus & (AT91_EMAC_TUND | AT91_EMAC_RTRY))
-			dev->stats.tx_errors += 1;
-
-		if (lp->skb) {
-			dev_kfree_skb_irq(lp->skb);
-			lp->skb = NULL;
-			dma_unmap_single(NULL, lp->skb_physaddr, lp->skb_length, DMA_TO_DEVICE);
-		}
-		netif_wake_queue(dev);
-	}
-
-	/* Work-around for Errata #11 */
-	if (intstatus & AT91_EMAC_RBNA) {
-		ctl = at91_emac_read(AT91_EMAC_CTL);
-		at91_emac_write(AT91_EMAC_CTL, ctl & ~AT91_EMAC_RE);
-		at91_emac_write(AT91_EMAC_CTL, ctl | AT91_EMAC_RE);
-	}
-
-	if (intstatus & AT91_EMAC_ROVR)
-		printk("%s: ROVR error\n", dev->name);
-
-	return IRQ_HANDLED;
-}
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-static void at91ether_poll_controller(struct net_device *dev)
-{
-	unsigned long flags;
-
-	local_irq_save(flags);
-	at91ether_interrupt(dev->irq, dev);
-	local_irq_restore(flags);
-}
-#endif
-
-static const struct net_device_ops at91ether_netdev_ops = {
-	.ndo_open		= at91ether_open,
-	.ndo_stop		= at91ether_close,
-	.ndo_start_xmit		= at91ether_start_xmit,
-	.ndo_get_stats		= at91ether_stats,
-	.ndo_set_multicast_list	= at91ether_set_multicast_list,
-	.ndo_set_mac_address	= set_mac_address,
-	.ndo_do_ioctl		= at91ether_ioctl,
-	.ndo_validate_addr	= eth_validate_addr,
-	.ndo_change_mtu		= eth_change_mtu,
-#ifdef CONFIG_NET_POLL_CONTROLLER
-	.ndo_poll_controller	= at91ether_poll_controller,
-#endif
-};
-
-/*
- * Initialize the ethernet interface
- */
-static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_address,
-			struct platform_device *pdev, struct clk *ether_clk)
-{
-	struct at91_eth_data *board_data = pdev->dev.platform_data;
-	struct net_device *dev;
-	struct at91_private *lp;
-	unsigned int val;
-	int res;
-
-	dev = alloc_etherdev(sizeof(struct at91_private));
-	if (!dev)
-		return -ENOMEM;
-
-	dev->base_addr = AT91_VA_BASE_EMAC;
-	dev->irq = AT91RM9200_ID_EMAC;
-
-	/* Install the interrupt handler */
-	if (request_irq(dev->irq, at91ether_interrupt, 0, dev->name, dev)) {
-		free_netdev(dev);
-		return -EBUSY;
-	}
-
-	/* Allocate memory for DMA Receive descriptors */
-	lp = netdev_priv(dev);
-	lp->dlist = (struct recv_desc_bufs *) dma_alloc_coherent(NULL, sizeof(struct recv_desc_bufs), (dma_addr_t *) &lp->dlist_phys, GFP_KERNEL);
-	if (lp->dlist == NULL) {
-		free_irq(dev->irq, dev);
-		free_netdev(dev);
-		return -ENOMEM;
-	}
-	lp->board_data = *board_data;
-	lp->ether_clk = ether_clk;
-	platform_set_drvdata(pdev, dev);
-
-	spin_lock_init(&lp->lock);
-
-	ether_setup(dev);
-	dev->netdev_ops = &at91ether_netdev_ops;
-	dev->ethtool_ops = &at91ether_ethtool_ops;
-
-	SET_NETDEV_DEV(dev, &pdev->dev);
-
-	get_mac_address(dev);		/* Get ethernet address and store it in dev->dev_addr */
-	update_mac_address(dev);	/* Program ethernet address into MAC */
-
-	at91_emac_write(AT91_EMAC_CTL, 0);
-
-	if (lp->board_data.is_rmii)
-		at91_emac_write(AT91_EMAC_CFG, AT91_EMAC_CLK_DIV32 | AT91_EMAC_BIG | AT91_EMAC_RMII);
-	else
-		at91_emac_write(AT91_EMAC_CFG, AT91_EMAC_CLK_DIV32 | AT91_EMAC_BIG);
-
-	/* Perform PHY-specific initialization */
-	spin_lock_irq(&lp->lock);
-	enable_mdi();
-	if ((phy_type == MII_DM9161_ID) || (lp->phy_type == MII_DM9161A_ID)) {
-		read_phy(phy_address, MII_DSCR_REG, &val);
-		if ((val & (1 << 10)) == 0)			/* DSCR bit 10 is 0 -- fiber mode */
-			lp->phy_media = PORT_FIBRE;
-	} else if (machine_is_csb337()) {
-		/* mix link activity status into LED2 link state */
-		write_phy(phy_address, MII_LEDCTRL_REG, 0x0d22);
-	} else if (machine_is_ecbat91())
-		write_phy(phy_address, MII_LEDCTRL_REG, 0x156A);
-
-	disable_mdi();
-	spin_unlock_irq(&lp->lock);
-
-	lp->mii.dev = dev;		/* Support for ethtool */
-	lp->mii.mdio_read = mdio_read;
-	lp->mii.mdio_write = mdio_write;
-	lp->mii.phy_id = phy_address;
-	lp->mii.phy_id_mask = 0x1f;
-	lp->mii.reg_num_mask = 0x1f;
-
-	lp->phy_type = phy_type;	/* Type of PHY connected */
-	lp->phy_address = phy_address;	/* MDI address of PHY */
-
-	/* Register the network interface */
-	res = register_netdev(dev);
-	if (res) {
-		free_irq(dev->irq, dev);
-		free_netdev(dev);
-		dma_free_coherent(NULL, sizeof(struct recv_desc_bufs), lp->dlist, (dma_addr_t)lp->dlist_phys);
-		return res;
-	}
-
-	/* Determine current link speed */
-	spin_lock_irq(&lp->lock);
-	enable_mdi();
-	update_linkspeed(dev, 0);
-	disable_mdi();
-	spin_unlock_irq(&lp->lock);
-	netif_carrier_off(dev);		/* will be enabled in open() */
-
-	/* If board has no PHY IRQ, use a timer to poll the PHY */
-	if (!lp->board_data.phy_irq_pin) {
-		init_timer(&lp->check_timer);
-		lp->check_timer.data = (unsigned long)dev;
-		lp->check_timer.function = at91ether_check_link;
-	} else if (lp->board_data.phy_irq_pin >= 32)
-		gpio_request(lp->board_data.phy_irq_pin, "ethernet_phy");
-
-	/* Display ethernet banner */
-	printk(KERN_INFO "%s: AT91 ethernet at 0x%08x int=%d %s%s (%pM)\n",
-	       dev->name, (uint) dev->base_addr, dev->irq,
-	       at91_emac_read(AT91_EMAC_CFG) & AT91_EMAC_SPD ? "100-" : "10-",
-	       at91_emac_read(AT91_EMAC_CFG) & AT91_EMAC_FD ? "FullDuplex" : "HalfDuplex",
-	       dev->dev_addr);
-	if ((phy_type == MII_DM9161_ID) || (lp->phy_type == MII_DM9161A_ID))
-		printk(KERN_INFO "%s: Davicom 9161 PHY %s\n", dev->name, (lp->phy_media == PORT_FIBRE) ? "(Fiber)" : "(Copper)");
-	else if (phy_type == MII_LXT971A_ID)
-		printk(KERN_INFO "%s: Intel LXT971A PHY\n", dev->name);
-	else if (phy_type == MII_RTL8201_ID)
-		printk(KERN_INFO "%s: Realtek RTL8201(B)L PHY\n", dev->name);
-	else if (phy_type == MII_BCM5221_ID)
-		printk(KERN_INFO "%s: Broadcom BCM5221 PHY\n", dev->name);
-	else if (phy_type == MII_DP83847_ID)
-		printk(KERN_INFO "%s: National Semiconductor DP83847 PHY\n", dev->name);
-	else if (phy_type == MII_DP83848_ID)
-		printk(KERN_INFO "%s: National Semiconductor DP83848 PHY\n", dev->name);
-	else if (phy_type == MII_AC101L_ID)
-		printk(KERN_INFO "%s: Altima AC101L PHY\n", dev->name);
-	else if (phy_type == MII_KS8721_ID)
-		printk(KERN_INFO "%s: Micrel KS8721 PHY\n", dev->name);
-	else if (phy_type == MII_T78Q21x3_ID)
-		printk(KERN_INFO "%s: Teridian 78Q21x3 PHY\n", dev->name);
-	else if (phy_type == MII_LAN83C185_ID)
-		printk(KERN_INFO "%s: SMSC LAN83C185 PHY\n", dev->name);
-
-	return 0;
-}
-
-/*
- * Detect MAC and PHY and perform initialization
- */
-static int __init at91ether_probe(struct platform_device *pdev)
-{
-	unsigned int phyid1, phyid2;
-	int detected = -1;
-	unsigned long phy_id;
-	unsigned short phy_address = 0;
-	struct clk *ether_clk;
-
-	ether_clk = clk_get(&pdev->dev, "ether_clk");
-	if (IS_ERR(ether_clk)) {
-		printk(KERN_ERR "at91_ether: no clock defined\n");
-		return -ENODEV;
-	}
-	clk_enable(ether_clk);					/* Enable Peripheral clock */
-
-	while ((detected != 0) && (phy_address < 32)) {
-		/* Read the PHY ID registers */
-		enable_mdi();
-		read_phy(phy_address, MII_PHYSID1, &phyid1);
-		read_phy(phy_address, MII_PHYSID2, &phyid2);
-		disable_mdi();
-
-		phy_id = (phyid1 << 16) | (phyid2 & 0xfff0);
-		switch (phy_id) {
-			case MII_DM9161_ID:		/* Davicom 9161: PHY_ID1 = 0x181, PHY_ID2 = B881 */
-			case MII_DM9161A_ID:		/* Davicom 9161A: PHY_ID1 = 0x181, PHY_ID2 = B8A0 */
-			case MII_LXT971A_ID:		/* Intel LXT971A: PHY_ID1 = 0x13, PHY_ID2 = 78E0 */
-			case MII_RTL8201_ID:		/* Realtek RTL8201: PHY_ID1 = 0, PHY_ID2 = 0x8201 */
-			case MII_BCM5221_ID:		/* Broadcom BCM5221: PHY_ID1 = 0x40, PHY_ID2 = 0x61e0 */
-			case MII_DP83847_ID:		/* National Semiconductor DP83847:  */
-			case MII_DP83848_ID:		/* National Semiconductor DP83848:  */
-			case MII_AC101L_ID:		/* Altima AC101L: PHY_ID1 = 0x22, PHY_ID2 = 0x5520 */
-			case MII_KS8721_ID:		/* Micrel KS8721: PHY_ID1 = 0x22, PHY_ID2 = 0x1610 */
-			case MII_T78Q21x3_ID:		/* Teridian 78Q21x3: PHY_ID1 = 0x0E, PHY_ID2 = 7237 */
-			case MII_LAN83C185_ID:		/* SMSC LAN83C185: PHY_ID1 = 0x0007, PHY_ID2 = 0xC0A1 */
-				detected = at91ether_setup(phy_id, phy_address, pdev, ether_clk);
-				break;
-		}
-
-		phy_address++;
-	}
-
-	clk_disable(ether_clk);					/* Disable Peripheral clock */
-
-	return detected;
-}
-
-static int __devexit at91ether_remove(struct platform_device *pdev)
-{
-	struct net_device *dev = platform_get_drvdata(pdev);
-	struct at91_private *lp = netdev_priv(dev);
-
-	if (lp->board_data.phy_irq_pin >= 32)
-		gpio_free(lp->board_data.phy_irq_pin);
-
-	unregister_netdev(dev);
-	free_irq(dev->irq, dev);
-	dma_free_coherent(NULL, sizeof(struct recv_desc_bufs), lp->dlist, (dma_addr_t)lp->dlist_phys);
-	clk_put(lp->ether_clk);
-
-	platform_set_drvdata(pdev, NULL);
-	free_netdev(dev);
-	return 0;
-}
-
-#ifdef CONFIG_PM
-
-static int at91ether_suspend(struct platform_device *pdev, pm_message_t mesg)
-{
-	struct net_device *net_dev = platform_get_drvdata(pdev);
-	struct at91_private *lp = netdev_priv(net_dev);
-	int phy_irq = lp->board_data.phy_irq_pin;
-
-	if (netif_running(net_dev)) {
-		if (phy_irq)
-			disable_irq(phy_irq);
-
-		netif_stop_queue(net_dev);
-		netif_device_detach(net_dev);
-
-		clk_disable(lp->ether_clk);
-	}
-	return 0;
-}
-
-static int at91ether_resume(struct platform_device *pdev)
-{
-	struct net_device *net_dev = platform_get_drvdata(pdev);
-	struct at91_private *lp = netdev_priv(net_dev);
-	int phy_irq = lp->board_data.phy_irq_pin;
-
-	if (netif_running(net_dev)) {
-		clk_enable(lp->ether_clk);
-
-		netif_device_attach(net_dev);
-		netif_start_queue(net_dev);
-
-		if (phy_irq)
-			enable_irq(phy_irq);
-	}
-	return 0;
-}
-
-#else
-#define at91ether_suspend	NULL
-#define at91ether_resume	NULL
-#endif
-
-static struct platform_driver at91ether_driver = {
-	.remove		= __devexit_p(at91ether_remove),
-	.suspend	= at91ether_suspend,
-	.resume		= at91ether_resume,
-	.driver		= {
-		.name	= DRV_NAME,
-		.owner	= THIS_MODULE,
-	},
-};
-
-static int __init at91ether_init(void)
-{
-	return platform_driver_probe(&at91ether_driver, at91ether_probe);
-}
-
-static void __exit at91ether_exit(void)
-{
-	platform_driver_unregister(&at91ether_driver);
-}
-
-module_init(at91ether_init)
-module_exit(at91ether_exit)
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("AT91RM9200 EMAC Ethernet driver");
-MODULE_AUTHOR("Andrew Victor");
-MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/drivers/net/arm/at91_ether.h b/drivers/net/arm/at91_ether.h
deleted file mode 100644
index 353f4dab62be..000000000000
--- a/drivers/net/arm/at91_ether.h
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * Ethernet driver for the Atmel AT91RM9200 (Thunder)
- *
- *  Copyright (C) SAN People (Pty) Ltd
- *
- * Based on an earlier Atmel EMAC macrocell driver by Atmel and Lineo Inc.
- * Initial version by Rick Bronson.
- *
- * This program 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.
- */
-
-#ifndef AT91_ETHERNET
-#define AT91_ETHERNET
-
-
-/* Davicom 9161 PHY */
-#define MII_DM9161_ID		0x0181b880
-#define MII_DM9161A_ID		0x0181b8a0
-#define MII_DSCR_REG		16
-#define MII_DSCSR_REG		17
-#define MII_DSINTR_REG		21
-
-/* Intel LXT971A PHY */
-#define MII_LXT971A_ID		0x001378E0
-#define MII_ISINTE_REG		18
-#define MII_ISINTS_REG		19
-#define MII_LEDCTRL_REG		20
-
-/* Realtek RTL8201 PHY */
-#define MII_RTL8201_ID		0x00008200
-
-/* Broadcom BCM5221 PHY */
-#define MII_BCM5221_ID		0x004061e0
-#define MII_BCMINTR_REG		26
-
-/* National Semiconductor DP83847 */
-#define MII_DP83847_ID		0x20005c30
-
-/* National Semiconductor DP83848 */
-#define MII_DP83848_ID		0x20005c90
-#define MII_DPPHYSTS_REG	16
-#define MII_DPMICR_REG		17
-#define MII_DPMISR_REG		18
-
-/* Altima AC101L PHY */
-#define MII_AC101L_ID		0x00225520
-
-/* Micrel KS8721 PHY */
-#define MII_KS8721_ID		0x00221610
-
-/* Teridian 78Q2123/78Q2133 */
-#define MII_T78Q21x3_ID		0x000e7230
-#define MII_T78Q21INT_REG	17
-
-/* SMSC LAN83C185 */
-#define MII_LAN83C185_ID	0x0007C0A0
-
-/* ........................................................................ */
-
-#define MAX_RBUFF_SZ	0x600		/* 1518 rounded up */
-#define MAX_RX_DESCR	9		/* max number of receive buffers */
-
-#define EMAC_DESC_DONE	0x00000001	/* bit for if DMA is done */
-#define EMAC_DESC_WRAP	0x00000002	/* bit for wrap */
-
-#define EMAC_BROADCAST	0x80000000	/* broadcast address */
-#define EMAC_MULTICAST	0x40000000	/* multicast address */
-#define EMAC_UNICAST	0x20000000	/* unicast address */
-
-struct rbf_t
-{
-	unsigned int addr;
-	unsigned long size;
-};
-
-struct recv_desc_bufs
-{
-	struct rbf_t descriptors[MAX_RX_DESCR];		/* must be on sizeof (rbf_t) boundary */
-	char recv_buf[MAX_RX_DESCR][MAX_RBUFF_SZ];	/* must be on long boundary */
-};
-
-struct at91_private
-{
-	struct mii_if_info mii;			/* ethtool support */
-	struct at91_eth_data board_data;	/* board-specific configuration */
-	struct clk *ether_clk;			/* clock */
-
-	/* PHY */
-	unsigned long phy_type;			/* type of PHY (PHY_ID) */
-	spinlock_t lock;			/* lock for MDI interface */
-	short phy_media;			/* media interface type */
-	unsigned short phy_address;		/* 5-bit MDI address of PHY (0..31) */
-	struct timer_list check_timer;		/* Poll link status */
-
-	/* Transmit */
-	struct sk_buff *skb;			/* holds skb until xmit interrupt completes */
-	dma_addr_t skb_physaddr;		/* phys addr from pci_map_single */
-	int skb_length;				/* saved skb length for pci_unmap_single */
-
-	/* Receive */
-	int rxBuffIndex;			/* index into receive descriptor list */
-	struct recv_desc_bufs *dlist;		/* descriptor list address */
-	struct recv_desc_bufs *dlist_phys;	/* descriptor list physical address */
-};
-
-#endif