dm9000: Move the Davicom driver
authorJeff Kirsher <jeffrey.t.kirsher@intel.com>
Sat, 25 Jun 2011 10:18:24 +0000 (03:18 -0700)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Sat, 13 Aug 2011 06:47:14 +0000 (23:47 -0700)
Move the Davicom driver into drivers/net/ethernet/davicom/ and
make the necessary Kconfig and Makefile changes.

CC: Ben Dooks <ben@simtec.co.uk>
CC: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
drivers/net/Kconfig
drivers/net/Makefile
drivers/net/dm9000.c [deleted file]
drivers/net/dm9000.h [deleted file]
drivers/net/ethernet/Kconfig
drivers/net/ethernet/Makefile
drivers/net/ethernet/davicom/Kconfig [new file with mode: 0644]
drivers/net/ethernet/davicom/Makefile [new file with mode: 0644]
drivers/net/ethernet/davicom/dm9000.c [new file with mode: 0644]
drivers/net/ethernet/davicom/dm9000.h [new file with mode: 0644]

index e83f559a2c46ab89386854eefc52132b12014f1b..23155cc4a48ff9becdd5edf885e191e1a5924157 100644 (file)
@@ -246,34 +246,6 @@ config NET_NETX
          To compile this driver as a module, choose M here. The module
          will be called netx-eth.
 
-config DM9000
-       tristate "DM9000 support"
-       depends on ARM || BLACKFIN || MIPS
-       select CRC32
-       select MII
-       ---help---
-         Support for DM9000 chipset.
-
-         To compile this driver as a module, choose M here.  The module
-         will be called dm9000.
-
-config DM9000_DEBUGLEVEL
-       int "DM9000 maximum debug level"
-       depends on DM9000
-       default 4
-       help
-         The maximum level of debugging code compiled into the DM9000
-         driver.
-
-config DM9000_FORCE_SIMPLE_PHY_POLL
-       bool "Force simple NSR based PHY polling"
-       depends on DM9000
-       ---help---
-         This configuration forces the DM9000 to use the NSR's LinkStatus
-         bit to determine if the link is up or down instead of the more
-         costly MII PHY reads. Note, this will not work if the chip is
-         operating with an external PHY.
-
 config NET_PCI
        bool "EISA, VLB, PCI and on board controllers"
        depends on ISA || EISA || PCI
index 08ee56fc607e87f685ec1c9f58dc7320f609d62d..298587f65c2b28071f394a6a9ea03827592043d2 100644 (file)
@@ -52,7 +52,6 @@ obj-$(CONFIG_EQUALIZER) += eql.o
 obj-$(CONFIG_TUN) += tun.o
 obj-$(CONFIG_VETH) += veth.o
 obj-$(CONFIG_NET_NETX) += netx-eth.o
-obj-$(CONFIG_DM9000) += dm9000.o
 
 obj-$(CONFIG_DEV_APPLETALK) += appletalk/
 obj-$(CONFIG_ETHERNET) += ethernet/
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
deleted file mode 100644 (file)
index 8ef31dc..0000000
+++ /dev/null
@@ -1,1705 +0,0 @@
-/*
- *      Davicom DM9000 Fast Ethernet driver for Linux.
- *     Copyright (C) 1997  Sten Wang
- *
- *     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.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- * (C) Copyright 1997-1998 DAVICOM Semiconductor,Inc. All Rights Reserved.
- *
- * Additional updates, Copyright:
- *     Ben Dooks <ben@simtec.co.uk>
- *     Sascha Hauer <s.hauer@pengutronix.de>
- */
-
-#include <linux/module.h>
-#include <linux/ioport.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/skbuff.h>
-#include <linux/spinlock.h>
-#include <linux/crc32.h>
-#include <linux/mii.h>
-#include <linux/ethtool.h>
-#include <linux/dm9000.h>
-#include <linux/delay.h>
-#include <linux/platform_device.h>
-#include <linux/irq.h>
-#include <linux/slab.h>
-
-#include <asm/delay.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-
-#include "dm9000.h"
-
-/* Board/System/Debug information/definition ---------------- */
-
-#define DM9000_PHY             0x40    /* PHY address 0x01 */
-
-#define CARDNAME       "dm9000"
-#define DRV_VERSION    "1.31"
-
-/*
- * Transmit timeout, default 5 seconds.
- */
-static int watchdog = 5000;
-module_param(watchdog, int, 0400);
-MODULE_PARM_DESC(watchdog, "transmit timeout in milliseconds");
-
-/* DM9000 register address locking.
- *
- * The DM9000 uses an address register to control where data written
- * to the data register goes. This means that the address register
- * must be preserved over interrupts or similar calls.
- *
- * During interrupt and other critical calls, a spinlock is used to
- * protect the system, but the calls themselves save the address
- * in the address register in case they are interrupting another
- * access to the device.
- *
- * For general accesses a lock is provided so that calls which are
- * allowed to sleep are serialised so that the address register does
- * not need to be saved. This lock also serves to serialise access
- * to the EEPROM and PHY access registers which are shared between
- * these two devices.
- */
-
-/* The driver supports the original DM9000E, and now the two newer
- * devices, DM9000A and DM9000B.
- */
-
-enum dm9000_type {
-       TYPE_DM9000E,   /* original DM9000 */
-       TYPE_DM9000A,
-       TYPE_DM9000B
-};
-
-/* Structure/enum declaration ------------------------------- */
-typedef struct board_info {
-
-       void __iomem    *io_addr;       /* Register I/O base address */
-       void __iomem    *io_data;       /* Data I/O address */
-       u16              irq;           /* IRQ */
-
-       u16             tx_pkt_cnt;
-       u16             queue_pkt_len;
-       u16             queue_start_addr;
-       u16             queue_ip_summed;
-       u16             dbug_cnt;
-       u8              io_mode;                /* 0:word, 2:byte */
-       u8              phy_addr;
-       u8              imr_all;
-
-       unsigned int    flags;
-       unsigned int    in_suspend :1;
-       unsigned int    wake_supported :1;
-       int             debug_level;
-
-       enum dm9000_type type;
-
-       void (*inblk)(void __iomem *port, void *data, int length);
-       void (*outblk)(void __iomem *port, void *data, int length);
-       void (*dumpblk)(void __iomem *port, int length);
-
-       struct device   *dev;        /* parent device */
-
-       struct resource *addr_res;   /* resources found */
-       struct resource *data_res;
-       struct resource *addr_req;   /* resources requested */
-       struct resource *data_req;
-       struct resource *irq_res;
-
-       int              irq_wake;
-
-       struct mutex     addr_lock;     /* phy and eeprom access lock */
-
-       struct delayed_work phy_poll;
-       struct net_device  *ndev;
-
-       spinlock_t      lock;
-
-       struct mii_if_info mii;
-       u32             msg_enable;
-       u32             wake_state;
-
-       int             ip_summed;
-} board_info_t;
-
-/* debug code */
-
-#define dm9000_dbg(db, lev, msg...) do {               \
-       if ((lev) < CONFIG_DM9000_DEBUGLEVEL &&         \
-           (lev) < db->debug_level) {                  \
-               dev_dbg(db->dev, msg);                  \
-       }                                               \
-} while (0)
-
-static inline board_info_t *to_dm9000_board(struct net_device *dev)
-{
-       return netdev_priv(dev);
-}
-
-/* DM9000 network board routine ---------------------------- */
-
-static void
-dm9000_reset(board_info_t * db)
-{
-       dev_dbg(db->dev, "resetting device\n");
-
-       /* RESET device */
-       writeb(DM9000_NCR, db->io_addr);
-       udelay(200);
-       writeb(NCR_RST, db->io_data);
-       udelay(200);
-}
-
-/*
- *   Read a byte from I/O port
- */
-static u8
-ior(board_info_t * db, int reg)
-{
-       writeb(reg, db->io_addr);
-       return readb(db->io_data);
-}
-
-/*
- *   Write a byte to I/O port
- */
-
-static void
-iow(board_info_t * db, int reg, int value)
-{
-       writeb(reg, db->io_addr);
-       writeb(value, db->io_data);
-}
-
-/* routines for sending block to chip */
-
-static void dm9000_outblk_8bit(void __iomem *reg, void *data, int count)
-{
-       writesb(reg, data, count);
-}
-
-static void dm9000_outblk_16bit(void __iomem *reg, void *data, int count)
-{
-       writesw(reg, data, (count+1) >> 1);
-}
-
-static void dm9000_outblk_32bit(void __iomem *reg, void *data, int count)
-{
-       writesl(reg, data, (count+3) >> 2);
-}
-
-/* input block from chip to memory */
-
-static void dm9000_inblk_8bit(void __iomem *reg, void *data, int count)
-{
-       readsb(reg, data, count);
-}
-
-
-static void dm9000_inblk_16bit(void __iomem *reg, void *data, int count)
-{
-       readsw(reg, data, (count+1) >> 1);
-}
-
-static void dm9000_inblk_32bit(void __iomem *reg, void *data, int count)
-{
-       readsl(reg, data, (count+3) >> 2);
-}
-
-/* dump block from chip to null */
-
-static void dm9000_dumpblk_8bit(void __iomem *reg, int count)
-{
-       int i;
-       int tmp;
-
-       for (i = 0; i < count; i++)
-               tmp = readb(reg);
-}
-
-static void dm9000_dumpblk_16bit(void __iomem *reg, int count)
-{
-       int i;
-       int tmp;
-
-       count = (count + 1) >> 1;
-
-       for (i = 0; i < count; i++)
-               tmp = readw(reg);
-}
-
-static void dm9000_dumpblk_32bit(void __iomem *reg, int count)
-{
-       int i;
-       int tmp;
-
-       count = (count + 3) >> 2;
-
-       for (i = 0; i < count; i++)
-               tmp = readl(reg);
-}
-
-/* dm9000_set_io
- *
- * select the specified set of io routines to use with the
- * device
- */
-
-static void dm9000_set_io(struct board_info *db, int byte_width)
-{
-       /* use the size of the data resource to work out what IO
-        * routines we want to use
-        */
-
-       switch (byte_width) {
-       case 1:
-               db->dumpblk = dm9000_dumpblk_8bit;
-               db->outblk  = dm9000_outblk_8bit;
-               db->inblk   = dm9000_inblk_8bit;
-               break;
-
-
-       case 3:
-               dev_dbg(db->dev, ": 3 byte IO, falling back to 16bit\n");
-       case 2:
-               db->dumpblk = dm9000_dumpblk_16bit;
-               db->outblk  = dm9000_outblk_16bit;
-               db->inblk   = dm9000_inblk_16bit;
-               break;
-
-       case 4:
-       default:
-               db->dumpblk = dm9000_dumpblk_32bit;
-               db->outblk  = dm9000_outblk_32bit;
-               db->inblk   = dm9000_inblk_32bit;
-               break;
-       }
-}
-
-static void dm9000_schedule_poll(board_info_t *db)
-{
-       if (db->type == TYPE_DM9000E)
-               schedule_delayed_work(&db->phy_poll, HZ * 2);
-}
-
-static int dm9000_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
-{
-       board_info_t *dm = to_dm9000_board(dev);
-
-       if (!netif_running(dev))
-               return -EINVAL;
-
-       return generic_mii_ioctl(&dm->mii, if_mii(req), cmd, NULL);
-}
-
-static unsigned int
-dm9000_read_locked(board_info_t *db, int reg)
-{
-       unsigned long flags;
-       unsigned int ret;
-
-       spin_lock_irqsave(&db->lock, flags);
-       ret = ior(db, reg);
-       spin_unlock_irqrestore(&db->lock, flags);
-
-       return ret;
-}
-
-static int dm9000_wait_eeprom(board_info_t *db)
-{
-       unsigned int status;
-       int timeout = 8;        /* wait max 8msec */
-
-       /* The DM9000 data sheets say we should be able to
-        * poll the ERRE bit in EPCR to wait for the EEPROM
-        * operation. From testing several chips, this bit
-        * does not seem to work.
-        *
-        * We attempt to use the bit, but fall back to the
-        * timeout (which is why we do not return an error
-        * on expiry) to say that the EEPROM operation has
-        * completed.
-        */
-
-       while (1) {
-               status = dm9000_read_locked(db, DM9000_EPCR);
-
-               if ((status & EPCR_ERRE) == 0)
-                       break;
-
-               msleep(1);
-
-               if (timeout-- < 0) {
-                       dev_dbg(db->dev, "timeout waiting EEPROM\n");
-                       break;
-               }
-       }
-
-       return 0;
-}
-
-/*
- *  Read a word data from EEPROM
- */
-static void
-dm9000_read_eeprom(board_info_t *db, int offset, u8 *to)
-{
-       unsigned long flags;
-
-       if (db->flags & DM9000_PLATF_NO_EEPROM) {
-               to[0] = 0xff;
-               to[1] = 0xff;
-               return;
-       }
-
-       mutex_lock(&db->addr_lock);
-
-       spin_lock_irqsave(&db->lock, flags);
-
-       iow(db, DM9000_EPAR, offset);
-       iow(db, DM9000_EPCR, EPCR_ERPRR);
-
-       spin_unlock_irqrestore(&db->lock, flags);
-
-       dm9000_wait_eeprom(db);
-
-       /* delay for at-least 150uS */
-       msleep(1);
-
-       spin_lock_irqsave(&db->lock, flags);
-
-       iow(db, DM9000_EPCR, 0x0);
-
-       to[0] = ior(db, DM9000_EPDRL);
-       to[1] = ior(db, DM9000_EPDRH);
-
-       spin_unlock_irqrestore(&db->lock, flags);
-
-       mutex_unlock(&db->addr_lock);
-}
-
-/*
- * Write a word data to SROM
- */
-static void
-dm9000_write_eeprom(board_info_t *db, int offset, u8 *data)
-{
-       unsigned long flags;
-
-       if (db->flags & DM9000_PLATF_NO_EEPROM)
-               return;
-
-       mutex_lock(&db->addr_lock);
-
-       spin_lock_irqsave(&db->lock, flags);
-       iow(db, DM9000_EPAR, offset);
-       iow(db, DM9000_EPDRH, data[1]);
-       iow(db, DM9000_EPDRL, data[0]);
-       iow(db, DM9000_EPCR, EPCR_WEP | EPCR_ERPRW);
-       spin_unlock_irqrestore(&db->lock, flags);
-
-       dm9000_wait_eeprom(db);
-
-       mdelay(1);      /* wait at least 150uS to clear */
-
-       spin_lock_irqsave(&db->lock, flags);
-       iow(db, DM9000_EPCR, 0);
-       spin_unlock_irqrestore(&db->lock, flags);
-
-       mutex_unlock(&db->addr_lock);
-}
-
-/* ethtool ops */
-
-static void dm9000_get_drvinfo(struct net_device *dev,
-                              struct ethtool_drvinfo *info)
-{
-       board_info_t *dm = to_dm9000_board(dev);
-
-       strcpy(info->driver, CARDNAME);
-       strcpy(info->version, DRV_VERSION);
-       strcpy(info->bus_info, to_platform_device(dm->dev)->name);
-}
-
-static u32 dm9000_get_msglevel(struct net_device *dev)
-{
-       board_info_t *dm = to_dm9000_board(dev);
-
-       return dm->msg_enable;
-}
-
-static void dm9000_set_msglevel(struct net_device *dev, u32 value)
-{
-       board_info_t *dm = to_dm9000_board(dev);
-
-       dm->msg_enable = value;
-}
-
-static int dm9000_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
-       board_info_t *dm = to_dm9000_board(dev);
-
-       mii_ethtool_gset(&dm->mii, cmd);
-       return 0;
-}
-
-static int dm9000_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
-       board_info_t *dm = to_dm9000_board(dev);
-
-       return mii_ethtool_sset(&dm->mii, cmd);
-}
-
-static int dm9000_nway_reset(struct net_device *dev)
-{
-       board_info_t *dm = to_dm9000_board(dev);
-       return mii_nway_restart(&dm->mii);
-}
-
-static int dm9000_set_features(struct net_device *dev, u32 features)
-{
-       board_info_t *dm = to_dm9000_board(dev);
-       u32 changed = dev->features ^ features;
-       unsigned long flags;
-
-       if (!(changed & NETIF_F_RXCSUM))
-               return 0;
-
-       spin_lock_irqsave(&dm->lock, flags);
-       iow(dm, DM9000_RCSR, (features & NETIF_F_RXCSUM) ? RCSR_CSUM : 0);
-       spin_unlock_irqrestore(&dm->lock, flags);
-
-       return 0;
-}
-
-static u32 dm9000_get_link(struct net_device *dev)
-{
-       board_info_t *dm = to_dm9000_board(dev);
-       u32 ret;
-
-       if (dm->flags & DM9000_PLATF_EXT_PHY)
-               ret = mii_link_ok(&dm->mii);
-       else
-               ret = dm9000_read_locked(dm, DM9000_NSR) & NSR_LINKST ? 1 : 0;
-
-       return ret;
-}
-
-#define DM_EEPROM_MAGIC                (0x444D394B)
-
-static int dm9000_get_eeprom_len(struct net_device *dev)
-{
-       return 128;
-}
-
-static int dm9000_get_eeprom(struct net_device *dev,
-                            struct ethtool_eeprom *ee, u8 *data)
-{
-       board_info_t *dm = to_dm9000_board(dev);
-       int offset = ee->offset;
-       int len = ee->len;
-       int i;
-
-       /* EEPROM access is aligned to two bytes */
-
-       if ((len & 1) != 0 || (offset & 1) != 0)
-               return -EINVAL;
-
-       if (dm->flags & DM9000_PLATF_NO_EEPROM)
-               return -ENOENT;
-
-       ee->magic = DM_EEPROM_MAGIC;
-
-       for (i = 0; i < len; i += 2)
-               dm9000_read_eeprom(dm, (offset + i) / 2, data + i);
-
-       return 0;
-}
-
-static int dm9000_set_eeprom(struct net_device *dev,
-                            struct ethtool_eeprom *ee, u8 *data)
-{
-       board_info_t *dm = to_dm9000_board(dev);
-       int offset = ee->offset;
-       int len = ee->len;
-       int done;
-
-       /* EEPROM access is aligned to two bytes */
-
-       if (dm->flags & DM9000_PLATF_NO_EEPROM)
-               return -ENOENT;
-
-       if (ee->magic != DM_EEPROM_MAGIC)
-               return -EINVAL;
-
-       while (len > 0) {
-               if (len & 1 || offset & 1) {
-                       int which = offset & 1;
-                       u8 tmp[2];
-
-                       dm9000_read_eeprom(dm, offset / 2, tmp);
-                       tmp[which] = *data;
-                       dm9000_write_eeprom(dm, offset / 2, tmp);
-
-                       done = 1;
-               } else {
-                       dm9000_write_eeprom(dm, offset / 2, data);
-                       done = 2;
-               }
-
-               data += done;
-               offset += done;
-               len -= done;
-       }
-
-       return 0;
-}
-
-static void dm9000_get_wol(struct net_device *dev, struct ethtool_wolinfo *w)
-{
-       board_info_t *dm = to_dm9000_board(dev);
-
-       memset(w, 0, sizeof(struct ethtool_wolinfo));
-
-       /* note, we could probably support wake-phy too */
-       w->supported = dm->wake_supported ? WAKE_MAGIC : 0;
-       w->wolopts = dm->wake_state;
-}
-
-static int dm9000_set_wol(struct net_device *dev, struct ethtool_wolinfo *w)
-{
-       board_info_t *dm = to_dm9000_board(dev);
-       unsigned long flags;
-       u32 opts = w->wolopts;
-       u32 wcr = 0;
-
-       if (!dm->wake_supported)
-               return -EOPNOTSUPP;
-
-       if (opts & ~WAKE_MAGIC)
-               return -EINVAL;
-
-       if (opts & WAKE_MAGIC)
-               wcr |= WCR_MAGICEN;
-
-       mutex_lock(&dm->addr_lock);
-
-       spin_lock_irqsave(&dm->lock, flags);
-       iow(dm, DM9000_WCR, wcr);
-       spin_unlock_irqrestore(&dm->lock, flags);
-
-       mutex_unlock(&dm->addr_lock);
-
-       if (dm->wake_state != opts) {
-               /* change in wol state, update IRQ state */
-
-               if (!dm->wake_state)
-                       irq_set_irq_wake(dm->irq_wake, 1);
-               else if (dm->wake_state & !opts)
-                       irq_set_irq_wake(dm->irq_wake, 0);
-       }
-
-       dm->wake_state = opts;
-       return 0;
-}
-
-static const struct ethtool_ops dm9000_ethtool_ops = {
-       .get_drvinfo            = dm9000_get_drvinfo,
-       .get_settings           = dm9000_get_settings,
-       .set_settings           = dm9000_set_settings,
-       .get_msglevel           = dm9000_get_msglevel,
-       .set_msglevel           = dm9000_set_msglevel,
-       .nway_reset             = dm9000_nway_reset,
-       .get_link               = dm9000_get_link,
-       .get_wol                = dm9000_get_wol,
-       .set_wol                = dm9000_set_wol,
-       .get_eeprom_len         = dm9000_get_eeprom_len,
-       .get_eeprom             = dm9000_get_eeprom,
-       .set_eeprom             = dm9000_set_eeprom,
-};
-
-static void dm9000_show_carrier(board_info_t *db,
-                               unsigned carrier, unsigned nsr)
-{
-       struct net_device *ndev = db->ndev;
-       unsigned ncr = dm9000_read_locked(db, DM9000_NCR);
-
-       if (carrier)
-               dev_info(db->dev, "%s: link up, %dMbps, %s-duplex, no LPA\n",
-                        ndev->name, (nsr & NSR_SPEED) ? 10 : 100,
-                        (ncr & NCR_FDX) ? "full" : "half");
-       else
-               dev_info(db->dev, "%s: link down\n", ndev->name);
-}
-
-static void
-dm9000_poll_work(struct work_struct *w)
-{
-       struct delayed_work *dw = to_delayed_work(w);
-       board_info_t *db = container_of(dw, board_info_t, phy_poll);
-       struct net_device *ndev = db->ndev;
-
-       if (db->flags & DM9000_PLATF_SIMPLE_PHY &&
-           !(db->flags & DM9000_PLATF_EXT_PHY)) {
-               unsigned nsr = dm9000_read_locked(db, DM9000_NSR);
-               unsigned old_carrier = netif_carrier_ok(ndev) ? 1 : 0;
-               unsigned new_carrier;
-
-               new_carrier = (nsr & NSR_LINKST) ? 1 : 0;
-
-               if (old_carrier != new_carrier) {
-                       if (netif_msg_link(db))
-                               dm9000_show_carrier(db, new_carrier, nsr);
-
-                       if (!new_carrier)
-                               netif_carrier_off(ndev);
-                       else
-                               netif_carrier_on(ndev);
-               }
-       } else
-               mii_check_media(&db->mii, netif_msg_link(db), 0);
-       
-       if (netif_running(ndev))
-               dm9000_schedule_poll(db);
-}
-
-/* dm9000_release_board
- *
- * release a board, and any mapped resources
- */
-
-static void
-dm9000_release_board(struct platform_device *pdev, struct board_info *db)
-{
-       /* unmap our resources */
-
-       iounmap(db->io_addr);
-       iounmap(db->io_data);
-
-       /* release the resources */
-
-       release_resource(db->data_req);
-       kfree(db->data_req);
-
-       release_resource(db->addr_req);
-       kfree(db->addr_req);
-}
-
-static unsigned char dm9000_type_to_char(enum dm9000_type type)
-{
-       switch (type) {
-       case TYPE_DM9000E: return 'e';
-       case TYPE_DM9000A: return 'a';
-       case TYPE_DM9000B: return 'b';
-       }
-
-       return '?';
-}
-
-/*
- *  Set DM9000 multicast address
- */
-static void
-dm9000_hash_table_unlocked(struct net_device *dev)
-{
-       board_info_t *db = netdev_priv(dev);
-       struct netdev_hw_addr *ha;
-       int i, oft;
-       u32 hash_val;
-       u16 hash_table[4];
-       u8 rcr = RCR_DIS_LONG | RCR_DIS_CRC | RCR_RXEN;
-
-       dm9000_dbg(db, 1, "entering %s\n", __func__);
-
-       for (i = 0, oft = DM9000_PAR; i < 6; i++, oft++)
-               iow(db, oft, dev->dev_addr[i]);
-
-       /* Clear Hash Table */
-       for (i = 0; i < 4; i++)
-               hash_table[i] = 0x0;
-
-       /* broadcast address */
-       hash_table[3] = 0x8000;
-
-       if (dev->flags & IFF_PROMISC)
-               rcr |= RCR_PRMSC;
-
-       if (dev->flags & IFF_ALLMULTI)
-               rcr |= RCR_ALL;
-
-       /* the multicast address in Hash Table : 64 bits */
-       netdev_for_each_mc_addr(ha, dev) {
-               hash_val = ether_crc_le(6, ha->addr) & 0x3f;
-               hash_table[hash_val / 16] |= (u16) 1 << (hash_val % 16);
-       }
-
-       /* Write the hash table to MAC MD table */
-       for (i = 0, oft = DM9000_MAR; i < 4; i++) {
-               iow(db, oft++, hash_table[i]);
-               iow(db, oft++, hash_table[i] >> 8);
-       }
-
-       iow(db, DM9000_RCR, rcr);
-}
-
-static void
-dm9000_hash_table(struct net_device *dev)
-{
-       board_info_t *db = netdev_priv(dev);
-       unsigned long flags;
-
-       spin_lock_irqsave(&db->lock, flags);
-       dm9000_hash_table_unlocked(dev);
-       spin_unlock_irqrestore(&db->lock, flags);
-}
-
-/*
- * Initialize dm9000 board
- */
-static void
-dm9000_init_dm9000(struct net_device *dev)
-{
-       board_info_t *db = netdev_priv(dev);
-       unsigned int imr;
-       unsigned int ncr;
-
-       dm9000_dbg(db, 1, "entering %s\n", __func__);
-
-       /* I/O mode */
-       db->io_mode = ior(db, DM9000_ISR) >> 6; /* ISR bit7:6 keeps I/O mode */
-
-       /* Checksum mode */
-       if (dev->hw_features & NETIF_F_RXCSUM)
-               iow(db, DM9000_RCSR,
-                       (dev->features & NETIF_F_RXCSUM) ? RCSR_CSUM : 0);
-
-       iow(db, DM9000_GPCR, GPCR_GEP_CNTL);    /* Let GPIO0 output */
-
-       ncr = (db->flags & DM9000_PLATF_EXT_PHY) ? NCR_EXT_PHY : 0;
-
-       /* if wol is needed, then always set NCR_WAKEEN otherwise we end
-        * up dumping the wake events if we disable this. There is already
-        * a wake-mask in DM9000_WCR */
-       if (db->wake_supported)
-               ncr |= NCR_WAKEEN;
-
-       iow(db, DM9000_NCR, ncr);
-
-       /* Program operating register */
-       iow(db, DM9000_TCR, 0);         /* TX Polling clear */
-       iow(db, DM9000_BPTR, 0x3f);     /* Less 3Kb, 200us */
-       iow(db, DM9000_FCR, 0xff);      /* Flow Control */
-       iow(db, DM9000_SMCR, 0);        /* Special Mode */
-       /* clear TX status */
-       iow(db, DM9000_NSR, NSR_WAKEST | NSR_TX2END | NSR_TX1END);
-       iow(db, DM9000_ISR, ISR_CLR_STATUS); /* Clear interrupt status */
-
-       /* Set address filter table */
-       dm9000_hash_table_unlocked(dev);
-
-       imr = IMR_PAR | IMR_PTM | IMR_PRM;
-       if (db->type != TYPE_DM9000E)
-               imr |= IMR_LNKCHNG;
-
-       db->imr_all = imr;
-
-       /* Enable TX/RX interrupt mask */
-       iow(db, DM9000_IMR, imr);
-
-       /* Init Driver variable */
-       db->tx_pkt_cnt = 0;
-       db->queue_pkt_len = 0;
-       dev->trans_start = jiffies;
-}
-
-/* Our watchdog timed out. Called by the networking layer */
-static void dm9000_timeout(struct net_device *dev)
-{
-       board_info_t *db = netdev_priv(dev);
-       u8 reg_save;
-       unsigned long flags;
-
-       /* Save previous register address */
-       spin_lock_irqsave(&db->lock, flags);
-       reg_save = readb(db->io_addr);
-
-       netif_stop_queue(dev);
-       dm9000_reset(db);
-       dm9000_init_dm9000(dev);
-       /* We can accept TX packets again */
-       dev->trans_start = jiffies; /* prevent tx timeout */
-       netif_wake_queue(dev);
-
-       /* Restore previous register address */
-       writeb(reg_save, db->io_addr);
-       spin_unlock_irqrestore(&db->lock, flags);
-}
-
-static void dm9000_send_packet(struct net_device *dev,
-                              int ip_summed,
-                              u16 pkt_len)
-{
-       board_info_t *dm = to_dm9000_board(dev);
-
-       /* The DM9000 is not smart enough to leave fragmented packets alone. */
-       if (dm->ip_summed != ip_summed) {
-               if (ip_summed == CHECKSUM_NONE)
-                       iow(dm, DM9000_TCCR, 0);
-               else
-                       iow(dm, DM9000_TCCR, TCCR_IP | TCCR_UDP | TCCR_TCP);
-               dm->ip_summed = ip_summed;
-       }
-
-       /* Set TX length to DM9000 */
-       iow(dm, DM9000_TXPLL, pkt_len);
-       iow(dm, DM9000_TXPLH, pkt_len >> 8);
-
-       /* Issue TX polling command */
-       iow(dm, DM9000_TCR, TCR_TXREQ); /* Cleared after TX complete */
-}
-
-/*
- *  Hardware start transmission.
- *  Send a packet to media from the upper layer.
- */
-static int
-dm9000_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-       unsigned long flags;
-       board_info_t *db = netdev_priv(dev);
-
-       dm9000_dbg(db, 3, "%s:\n", __func__);
-
-       if (db->tx_pkt_cnt > 1)
-               return NETDEV_TX_BUSY;
-
-       spin_lock_irqsave(&db->lock, flags);
-
-       /* Move data to DM9000 TX RAM */
-       writeb(DM9000_MWCMD, db->io_addr);
-
-       (db->outblk)(db->io_data, skb->data, skb->len);
-       dev->stats.tx_bytes += skb->len;
-
-       db->tx_pkt_cnt++;
-       /* TX control: First packet immediately send, second packet queue */
-       if (db->tx_pkt_cnt == 1) {
-               dm9000_send_packet(dev, skb->ip_summed, skb->len);
-       } else {
-               /* Second packet */
-               db->queue_pkt_len = skb->len;
-               db->queue_ip_summed = skb->ip_summed;
-               netif_stop_queue(dev);
-       }
-
-       spin_unlock_irqrestore(&db->lock, flags);
-
-       /* free this SKB */
-       dev_kfree_skb(skb);
-
-       return NETDEV_TX_OK;
-}
-
-/*
- * DM9000 interrupt handler
- * receive the packet to upper layer, free the transmitted packet
- */
-
-static void dm9000_tx_done(struct net_device *dev, board_info_t *db)
-{
-       int tx_status = ior(db, DM9000_NSR);    /* Got TX status */
-
-       if (tx_status & (NSR_TX2END | NSR_TX1END)) {
-               /* One packet sent complete */
-               db->tx_pkt_cnt--;
-               dev->stats.tx_packets++;
-
-               if (netif_msg_tx_done(db))
-                       dev_dbg(db->dev, "tx done, NSR %02x\n", tx_status);
-
-               /* Queue packet check & send */
-               if (db->tx_pkt_cnt > 0)
-                       dm9000_send_packet(dev, db->queue_ip_summed,
-                                          db->queue_pkt_len);
-               netif_wake_queue(dev);
-       }
-}
-
-struct dm9000_rxhdr {
-       u8      RxPktReady;
-       u8      RxStatus;
-       __le16  RxLen;
-} __packed;
-
-/*
- *  Received a packet and pass to upper layer
- */
-static void
-dm9000_rx(struct net_device *dev)
-{
-       board_info_t *db = netdev_priv(dev);
-       struct dm9000_rxhdr rxhdr;
-       struct sk_buff *skb;
-       u8 rxbyte, *rdptr;
-       bool GoodPacket;
-       int RxLen;
-
-       /* Check packet ready or not */
-       do {
-               ior(db, DM9000_MRCMDX); /* Dummy read */
-
-               /* Get most updated data */
-               rxbyte = readb(db->io_data);
-
-               /* Status check: this byte must be 0 or 1 */
-               if (rxbyte & DM9000_PKT_ERR) {
-                       dev_warn(db->dev, "status check fail: %d\n", rxbyte);
-                       iow(db, DM9000_RCR, 0x00);      /* Stop Device */
-                       iow(db, DM9000_ISR, IMR_PAR);   /* Stop INT request */
-                       return;
-               }
-
-               if (!(rxbyte & DM9000_PKT_RDY))
-                       return;
-
-               /* A packet ready now  & Get status/length */
-               GoodPacket = true;
-               writeb(DM9000_MRCMD, db->io_addr);
-
-               (db->inblk)(db->io_data, &rxhdr, sizeof(rxhdr));
-
-               RxLen = le16_to_cpu(rxhdr.RxLen);
-
-               if (netif_msg_rx_status(db))
-                       dev_dbg(db->dev, "RX: status %02x, length %04x\n",
-                               rxhdr.RxStatus, RxLen);
-
-               /* Packet Status check */
-               if (RxLen < 0x40) {
-                       GoodPacket = false;
-                       if (netif_msg_rx_err(db))
-                               dev_dbg(db->dev, "RX: Bad Packet (runt)\n");
-               }
-
-               if (RxLen > DM9000_PKT_MAX) {
-                       dev_dbg(db->dev, "RST: RX Len:%x\n", RxLen);
-               }
-
-               /* rxhdr.RxStatus is identical to RSR register. */
-               if (rxhdr.RxStatus & (RSR_FOE | RSR_CE | RSR_AE |
-                                     RSR_PLE | RSR_RWTO |
-                                     RSR_LCS | RSR_RF)) {
-                       GoodPacket = false;
-                       if (rxhdr.RxStatus & RSR_FOE) {
-                               if (netif_msg_rx_err(db))
-                                       dev_dbg(db->dev, "fifo error\n");
-                               dev->stats.rx_fifo_errors++;
-                       }
-                       if (rxhdr.RxStatus & RSR_CE) {
-                               if (netif_msg_rx_err(db))
-                                       dev_dbg(db->dev, "crc error\n");
-                               dev->stats.rx_crc_errors++;
-                       }
-                       if (rxhdr.RxStatus & RSR_RF) {
-                               if (netif_msg_rx_err(db))
-                                       dev_dbg(db->dev, "length error\n");
-                               dev->stats.rx_length_errors++;
-                       }
-               }
-
-               /* Move data from DM9000 */
-               if (GoodPacket &&
-                   ((skb = dev_alloc_skb(RxLen + 4)) != NULL)) {
-                       skb_reserve(skb, 2);
-                       rdptr = (u8 *) skb_put(skb, RxLen - 4);
-
-                       /* Read received packet from RX SRAM */
-
-                       (db->inblk)(db->io_data, rdptr, RxLen);
-                       dev->stats.rx_bytes += RxLen;
-
-                       /* Pass to upper layer */
-                       skb->protocol = eth_type_trans(skb, dev);
-                       if (dev->features & NETIF_F_RXCSUM) {
-                               if ((((rxbyte & 0x1c) << 3) & rxbyte) == 0)
-                                       skb->ip_summed = CHECKSUM_UNNECESSARY;
-                               else
-                                       skb_checksum_none_assert(skb);
-                       }
-                       netif_rx(skb);
-                       dev->stats.rx_packets++;
-
-               } else {
-                       /* need to dump the packet's data */
-
-                       (db->dumpblk)(db->io_data, RxLen);
-               }
-       } while (rxbyte & DM9000_PKT_RDY);
-}
-
-static irqreturn_t dm9000_interrupt(int irq, void *dev_id)
-{
-       struct net_device *dev = dev_id;
-       board_info_t *db = netdev_priv(dev);
-       int int_status;
-       unsigned long flags;
-       u8 reg_save;
-
-       dm9000_dbg(db, 3, "entering %s\n", __func__);
-
-       /* A real interrupt coming */
-
-       /* holders of db->lock must always block IRQs */
-       spin_lock_irqsave(&db->lock, flags);
-
-       /* Save previous register address */
-       reg_save = readb(db->io_addr);
-
-       /* Disable all interrupts */
-       iow(db, DM9000_IMR, IMR_PAR);
-
-       /* Got DM9000 interrupt status */
-       int_status = ior(db, DM9000_ISR);       /* Got ISR */
-       iow(db, DM9000_ISR, int_status);        /* Clear ISR status */
-
-       if (netif_msg_intr(db))
-               dev_dbg(db->dev, "interrupt status %02x\n", int_status);
-
-       /* Received the coming packet */
-       if (int_status & ISR_PRS)
-               dm9000_rx(dev);
-
-       /* Trnasmit Interrupt check */
-       if (int_status & ISR_PTS)
-               dm9000_tx_done(dev, db);
-
-       if (db->type != TYPE_DM9000E) {
-               if (int_status & ISR_LNKCHNG) {
-                       /* fire a link-change request */
-                       schedule_delayed_work(&db->phy_poll, 1);
-               }
-       }
-
-       /* Re-enable interrupt mask */
-       iow(db, DM9000_IMR, db->imr_all);
-
-       /* Restore previous register address */
-       writeb(reg_save, db->io_addr);
-
-       spin_unlock_irqrestore(&db->lock, flags);
-
-       return IRQ_HANDLED;
-}
-
-static irqreturn_t dm9000_wol_interrupt(int irq, void *dev_id)
-{
-       struct net_device *dev = dev_id;
-       board_info_t *db = netdev_priv(dev);
-       unsigned long flags;
-       unsigned nsr, wcr;
-
-       spin_lock_irqsave(&db->lock, flags);
-
-       nsr = ior(db, DM9000_NSR);
-       wcr = ior(db, DM9000_WCR);
-
-       dev_dbg(db->dev, "%s: NSR=0x%02x, WCR=0x%02x\n", __func__, nsr, wcr);
-
-       if (nsr & NSR_WAKEST) {
-               /* clear, so we can avoid */
-               iow(db, DM9000_NSR, NSR_WAKEST);
-
-               if (wcr & WCR_LINKST)
-                       dev_info(db->dev, "wake by link status change\n");
-               if (wcr & WCR_SAMPLEST)
-                       dev_info(db->dev, "wake by sample packet\n");
-               if (wcr & WCR_MAGICST )
-                       dev_info(db->dev, "wake by magic packet\n");
-               if (!(wcr & (WCR_LINKST | WCR_SAMPLEST | WCR_MAGICST)))
-                       dev_err(db->dev, "wake signalled with no reason? "
-                               "NSR=0x%02x, WSR=0x%02x\n", nsr, wcr);
-
-       }
-
-       spin_unlock_irqrestore(&db->lock, flags);
-
-       return (nsr & NSR_WAKEST) ? IRQ_HANDLED : IRQ_NONE;
-}
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-/*
- *Used by netconsole
- */
-static void dm9000_poll_controller(struct net_device *dev)
-{
-       disable_irq(dev->irq);
-       dm9000_interrupt(dev->irq, dev);
-       enable_irq(dev->irq);
-}
-#endif
-
-/*
- *  Open the interface.
- *  The interface is opened whenever "ifconfig" actives it.
- */
-static int
-dm9000_open(struct net_device *dev)
-{
-       board_info_t *db = netdev_priv(dev);
-       unsigned long irqflags = db->irq_res->flags & IRQF_TRIGGER_MASK;
-
-       if (netif_msg_ifup(db))
-               dev_dbg(db->dev, "enabling %s\n", dev->name);
-
-       /* If there is no IRQ type specified, default to something that
-        * may work, and tell the user that this is a problem */
-
-       if (irqflags == IRQF_TRIGGER_NONE)
-               dev_warn(db->dev, "WARNING: no IRQ resource flags set.\n");
-
-       irqflags |= IRQF_SHARED;
-
-       /* GPIO0 on pre-activate PHY, Reg 1F is not set by reset */
-       iow(db, DM9000_GPR, 0); /* REG_1F bit0 activate phyxcer */
-       mdelay(1); /* delay needs by DM9000B */
-
-       /* Initialize DM9000 board */
-       dm9000_reset(db);
-       dm9000_init_dm9000(dev);
-
-       if (request_irq(dev->irq, dm9000_interrupt, irqflags, dev->name, dev))
-               return -EAGAIN;
-
-       /* Init driver variable */
-       db->dbug_cnt = 0;
-
-       mii_check_media(&db->mii, netif_msg_link(db), 1);
-       netif_start_queue(dev);
-       
-       dm9000_schedule_poll(db);
-
-       return 0;
-}
-
-/*
- * Sleep, either by using msleep() or if we are suspending, then
- * use mdelay() to sleep.
- */
-static void dm9000_msleep(board_info_t *db, unsigned int ms)
-{
-       if (db->in_suspend)
-               mdelay(ms);
-       else
-               msleep(ms);
-}
-
-/*
- *   Read a word from phyxcer
- */
-static int
-dm9000_phy_read(struct net_device *dev, int phy_reg_unused, int reg)
-{
-       board_info_t *db = netdev_priv(dev);
-       unsigned long flags;
-       unsigned int reg_save;
-       int ret;
-
-       mutex_lock(&db->addr_lock);
-
-       spin_lock_irqsave(&db->lock,flags);
-
-       /* Save previous register address */
-       reg_save = readb(db->io_addr);
-
-       /* Fill the phyxcer register into REG_0C */
-       iow(db, DM9000_EPAR, DM9000_PHY | reg);
-
-       iow(db, DM9000_EPCR, EPCR_ERPRR | EPCR_EPOS);   /* Issue phyxcer read command */
-
-       writeb(reg_save, db->io_addr);
-       spin_unlock_irqrestore(&db->lock,flags);
-
-       dm9000_msleep(db, 1);           /* Wait read complete */
-
-       spin_lock_irqsave(&db->lock,flags);
-       reg_save = readb(db->io_addr);
-
-       iow(db, DM9000_EPCR, 0x0);      /* Clear phyxcer read command */
-
-       /* The read data keeps on REG_0D & REG_0E */
-       ret = (ior(db, DM9000_EPDRH) << 8) | ior(db, DM9000_EPDRL);
-
-       /* restore the previous address */
-       writeb(reg_save, db->io_addr);
-       spin_unlock_irqrestore(&db->lock,flags);
-
-       mutex_unlock(&db->addr_lock);
-
-       dm9000_dbg(db, 5, "phy_read[%02x] -> %04x\n", reg, ret);
-       return ret;
-}
-
-/*
- *   Write a word to phyxcer
- */
-static void
-dm9000_phy_write(struct net_device *dev,
-                int phyaddr_unused, int reg, int value)
-{
-       board_info_t *db = netdev_priv(dev);
-       unsigned long flags;
-       unsigned long reg_save;
-
-       dm9000_dbg(db, 5, "phy_write[%02x] = %04x\n", reg, value);
-       mutex_lock(&db->addr_lock);
-
-       spin_lock_irqsave(&db->lock,flags);
-
-       /* Save previous register address */
-       reg_save = readb(db->io_addr);
-
-       /* Fill the phyxcer register into REG_0C */
-       iow(db, DM9000_EPAR, DM9000_PHY | reg);
-
-       /* Fill the written data into REG_0D & REG_0E */
-       iow(db, DM9000_EPDRL, value);
-       iow(db, DM9000_EPDRH, value >> 8);
-
-       iow(db, DM9000_EPCR, EPCR_EPOS | EPCR_ERPRW);   /* Issue phyxcer write command */
-
-       writeb(reg_save, db->io_addr);
-       spin_unlock_irqrestore(&db->lock, flags);
-
-       dm9000_msleep(db, 1);           /* Wait write complete */
-
-       spin_lock_irqsave(&db->lock,flags);
-       reg_save = readb(db->io_addr);
-
-       iow(db, DM9000_EPCR, 0x0);      /* Clear phyxcer write command */
-
-       /* restore the previous address */
-       writeb(reg_save, db->io_addr);
-
-       spin_unlock_irqrestore(&db->lock, flags);
-       mutex_unlock(&db->addr_lock);
-}
-
-static void
-dm9000_shutdown(struct net_device *dev)
-{
-       board_info_t *db = netdev_priv(dev);
-
-       /* RESET device */
-       dm9000_phy_write(dev, 0, MII_BMCR, BMCR_RESET); /* PHY RESET */
-       iow(db, DM9000_GPR, 0x01);      /* Power-Down PHY */
-       iow(db, DM9000_IMR, IMR_PAR);   /* Disable all interrupt */
-       iow(db, DM9000_RCR, 0x00);      /* Disable RX */
-}
-
-/*
- * Stop the interface.
- * The interface is stopped when it is brought.
- */
-static int
-dm9000_stop(struct net_device *ndev)
-{
-       board_info_t *db = netdev_priv(ndev);
-
-       if (netif_msg_ifdown(db))
-               dev_dbg(db->dev, "shutting down %s\n", ndev->name);
-
-       cancel_delayed_work_sync(&db->phy_poll);
-
-       netif_stop_queue(ndev);
-       netif_carrier_off(ndev);
-
-       /* free interrupt */
-       free_irq(ndev->irq, ndev);
-
-       dm9000_shutdown(ndev);
-
-       return 0;
-}
-
-static const struct net_device_ops dm9000_netdev_ops = {
-       .ndo_open               = dm9000_open,
-       .ndo_stop               = dm9000_stop,
-       .ndo_start_xmit         = dm9000_start_xmit,
-       .ndo_tx_timeout         = dm9000_timeout,
-       .ndo_set_multicast_list = dm9000_hash_table,
-       .ndo_do_ioctl           = dm9000_ioctl,
-       .ndo_change_mtu         = eth_change_mtu,
-       .ndo_set_features       = dm9000_set_features,
-       .ndo_validate_addr      = eth_validate_addr,
-       .ndo_set_mac_address    = eth_mac_addr,
-#ifdef CONFIG_NET_POLL_CONTROLLER
-       .ndo_poll_controller    = dm9000_poll_controller,
-#endif
-};
-
-/*
- * Search DM9000 board, allocate space and register it
- */
-static int __devinit
-dm9000_probe(struct platform_device *pdev)
-{
-       struct dm9000_plat_data *pdata = pdev->dev.platform_data;
-       struct board_info *db;  /* Point a board information structure */
-       struct net_device *ndev;
-       const unsigned char *mac_src;
-       int ret = 0;
-       int iosize;
-       int i;
-       u32 id_val;
-
-       /* Init network device */
-       ndev = alloc_etherdev(sizeof(struct board_info));
-       if (!ndev) {
-               dev_err(&pdev->dev, "could not allocate device.\n");
-               return -ENOMEM;
-       }
-
-       SET_NETDEV_DEV(ndev, &pdev->dev);
-
-       dev_dbg(&pdev->dev, "dm9000_probe()\n");
-
-       /* setup board info structure */
-       db = netdev_priv(ndev);
-
-       db->dev = &pdev->dev;
-       db->ndev = ndev;
-
-       spin_lock_init(&db->lock);
-       mutex_init(&db->addr_lock);
-
-       INIT_DELAYED_WORK(&db->phy_poll, dm9000_poll_work);
-
-       db->addr_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       db->data_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-       db->irq_res  = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-
-       if (db->addr_res == NULL || db->data_res == NULL ||
-           db->irq_res == NULL) {
-               dev_err(db->dev, "insufficient resources\n");
-               ret = -ENOENT;
-               goto out;
-       }
-
-       db->irq_wake = platform_get_irq(pdev, 1);
-       if (db->irq_wake >= 0) {
-               dev_dbg(db->dev, "wakeup irq %d\n", db->irq_wake);
-
-               ret = request_irq(db->irq_wake, dm9000_wol_interrupt,
-                                 IRQF_SHARED, dev_name(db->dev), ndev);
-               if (ret) {
-                       dev_err(db->dev, "cannot get wakeup irq (%d)\n", ret);
-               } else {
-
-                       /* test to see if irq is really wakeup capable */
-                       ret = irq_set_irq_wake(db->irq_wake, 1);
-                       if (ret) {
-                               dev_err(db->dev, "irq %d cannot set wakeup (%d)\n",
-                                       db->irq_wake, ret);
-                               ret = 0;
-                       } else {
-                               irq_set_irq_wake(db->irq_wake, 0);
-                               db->wake_supported = 1;
-                       }
-               }
-       }
-
-       iosize = resource_size(db->addr_res);
-       db->addr_req = request_mem_region(db->addr_res->start, iosize,
-                                         pdev->name);
-
-       if (db->addr_req == NULL) {
-               dev_err(db->dev, "cannot claim address reg area\n");
-               ret = -EIO;
-               goto out;
-       }
-
-       db->io_addr = ioremap(db->addr_res->start, iosize);
-
-       if (db->io_addr == NULL) {
-               dev_err(db->dev, "failed to ioremap address reg\n");
-               ret = -EINVAL;
-               goto out;
-       }
-
-       iosize = resource_size(db->data_res);
-       db->data_req = request_mem_region(db->data_res->start, iosize,
-                                         pdev->name);
-
-       if (db->data_req == NULL) {
-               dev_err(db->dev, "cannot claim data reg area\n");
-               ret = -EIO;
-               goto out;
-       }
-
-       db->io_data = ioremap(db->data_res->start, iosize);
-
-       if (db->io_data == NULL) {
-               dev_err(db->dev, "failed to ioremap data reg\n");
-               ret = -EINVAL;
-               goto out;
-       }
-
-       /* fill in parameters for net-dev structure */
-       ndev->base_addr = (unsigned long)db->io_addr;
-       ndev->irq       = db->irq_res->start;
-
-       /* ensure at least we have a default set of IO routines */
-       dm9000_set_io(db, iosize);
-
-       /* check to see if anything is being over-ridden */
-       if (pdata != NULL) {
-               /* check to see if the driver wants to over-ride the
-                * default IO width */
-
-               if (pdata->flags & DM9000_PLATF_8BITONLY)
-                       dm9000_set_io(db, 1);
-
-               if (pdata->flags & DM9000_PLATF_16BITONLY)
-                       dm9000_set_io(db, 2);
-
-               if (pdata->flags & DM9000_PLATF_32BITONLY)
-                       dm9000_set_io(db, 4);
-
-               /* check to see if there are any IO routine
-                * over-rides */
-
-               if (pdata->inblk != NULL)
-                       db->inblk = pdata->inblk;
-
-               if (pdata->outblk != NULL)
-                       db->outblk = pdata->outblk;
-
-               if (pdata->dumpblk != NULL)
-                       db->dumpblk = pdata->dumpblk;
-
-               db->flags = pdata->flags;
-       }
-
-#ifdef CONFIG_DM9000_FORCE_SIMPLE_PHY_POLL
-       db->flags |= DM9000_PLATF_SIMPLE_PHY;
-#endif
-
-       dm9000_reset(db);
-
-       /* try multiple times, DM9000 sometimes gets the read wrong */
-       for (i = 0; i < 8; i++) {
-               id_val  = ior(db, DM9000_VIDL);
-               id_val |= (u32)ior(db, DM9000_VIDH) << 8;
-               id_val |= (u32)ior(db, DM9000_PIDL) << 16;
-               id_val |= (u32)ior(db, DM9000_PIDH) << 24;
-
-               if (id_val == DM9000_ID)
-                       break;
-               dev_err(db->dev, "read wrong id 0x%08x\n", id_val);
-       }
-
-       if (id_val != DM9000_ID) {
-               dev_err(db->dev, "wrong id: 0x%08x\n", id_val);
-               ret = -ENODEV;
-               goto out;
-       }
-
-       /* Identify what type of DM9000 we are working on */
-
-       id_val = ior(db, DM9000_CHIPR);
-       dev_dbg(db->dev, "dm9000 revision 0x%02x\n", id_val);
-
-       switch (id_val) {
-       case CHIPR_DM9000A:
-               db->type = TYPE_DM9000A;
-               break;
-       case CHIPR_DM9000B:
-               db->type = TYPE_DM9000B;
-               break;
-       default:
-               dev_dbg(db->dev, "ID %02x => defaulting to DM9000E\n", id_val);
-               db->type = TYPE_DM9000E;
-       }
-
-       /* dm9000a/b are capable of hardware checksum offload */
-       if (db->type == TYPE_DM9000A || db->type == TYPE_DM9000B) {
-               ndev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM;
-               ndev->features |= ndev->hw_features;
-       }
-
-       /* from this point we assume that we have found a DM9000 */
-
-       /* driver system function */
-       ether_setup(ndev);
-
-       ndev->netdev_ops        = &dm9000_netdev_ops;
-       ndev->watchdog_timeo    = msecs_to_jiffies(watchdog);
-       ndev->ethtool_ops       = &dm9000_ethtool_ops;
-
-       db->msg_enable       = NETIF_MSG_LINK;
-       db->mii.phy_id_mask  = 0x1f;
-       db->mii.reg_num_mask = 0x1f;
-       db->mii.force_media  = 0;
-       db->mii.full_duplex  = 0;
-       db->mii.dev          = ndev;
-       db->mii.mdio_read    = dm9000_phy_read;
-       db->mii.mdio_write   = dm9000_phy_write;
-
-       mac_src = "eeprom";
-
-       /* try reading the node address from the attached EEPROM */
-       for (i = 0; i < 6; i += 2)
-               dm9000_read_eeprom(db, i / 2, ndev->dev_addr+i);
-
-       if (!is_valid_ether_addr(ndev->dev_addr) && pdata != NULL) {
-               mac_src = "platform data";
-               memcpy(ndev->dev_addr, pdata->dev_addr, 6);
-       }
-
-       if (!is_valid_ether_addr(ndev->dev_addr)) {
-               /* try reading from mac */
-               
-               mac_src = "chip";
-               for (i = 0; i < 6; i++)
-                       ndev->dev_addr[i] = ior(db, i+DM9000_PAR);
-       }
-
-       if (!is_valid_ether_addr(ndev->dev_addr)) {
-               dev_warn(db->dev, "%s: Invalid ethernet MAC address. Please "
-                        "set using ifconfig\n", ndev->name);
-
-               random_ether_addr(ndev->dev_addr);
-               mac_src = "random";
-       }
-
-
-       platform_set_drvdata(pdev, ndev);
-       ret = register_netdev(ndev);
-
-       if (ret == 0)
-               printk(KERN_INFO "%s: dm9000%c at %p,%p IRQ %d MAC: %pM (%s)\n",
-                      ndev->name, dm9000_type_to_char(db->type),
-                      db->io_addr, db->io_data, ndev->irq,
-                      ndev->dev_addr, mac_src);
-       return 0;
-
-out:
-       dev_err(db->dev, "not found (%d).\n", ret);
-
-       dm9000_release_board(pdev, db);
-       free_netdev(ndev);
-
-       return ret;
-}
-
-static int
-dm9000_drv_suspend(struct device *dev)
-{
-       struct platform_device *pdev = to_platform_device(dev);
-       struct net_device *ndev = platform_get_drvdata(pdev);
-       board_info_t *db;
-
-       if (ndev) {
-               db = netdev_priv(ndev);
-               db->in_suspend = 1;
-
-               if (!netif_running(ndev))
-                       return 0;
-
-               netif_device_detach(ndev);
-
-               /* only shutdown if not using WoL */
-               if (!db->wake_state)
-                       dm9000_shutdown(ndev);
-       }
-       return 0;
-}
-
-static int
-dm9000_drv_resume(struct device *dev)
-{
-       struct platform_device *pdev = to_platform_device(dev);
-       struct net_device *ndev = platform_get_drvdata(pdev);
-       board_info_t *db = netdev_priv(ndev);
-
-       if (ndev) {
-               if (netif_running(ndev)) {
-                       /* reset if we were not in wake mode to ensure if
-                        * the device was powered off it is in a known state */
-                       if (!db->wake_state) {
-                               dm9000_reset(db);
-                               dm9000_init_dm9000(ndev);
-                       }
-
-                       netif_device_attach(ndev);
-               }
-
-               db->in_suspend = 0;
-       }
-       return 0;
-}
-
-static const struct dev_pm_ops dm9000_drv_pm_ops = {
-       .suspend        = dm9000_drv_suspend,
-       .resume         = dm9000_drv_resume,
-};
-
-static int __devexit
-dm9000_drv_remove(struct platform_device *pdev)
-{
-       struct net_device *ndev = platform_get_drvdata(pdev);
-
-       platform_set_drvdata(pdev, NULL);
-
-       unregister_netdev(ndev);
-       dm9000_release_board(pdev, netdev_priv(ndev));
-       free_netdev(ndev);              /* free device structure */
-
-       dev_dbg(&pdev->dev, "released and freed device\n");
-       return 0;
-}
-
-static struct platform_driver dm9000_driver = {
-       .driver = {
-               .name    = "dm9000",
-               .owner   = THIS_MODULE,
-               .pm      = &dm9000_drv_pm_ops,
-       },
-       .probe   = dm9000_probe,
-       .remove  = __devexit_p(dm9000_drv_remove),
-};
-
-static int __init
-dm9000_init(void)
-{
-       printk(KERN_INFO "%s Ethernet Driver, V%s\n", CARDNAME, DRV_VERSION);
-
-       return platform_driver_register(&dm9000_driver);
-}
-
-static void __exit
-dm9000_cleanup(void)
-{
-       platform_driver_unregister(&dm9000_driver);
-}
-
-module_init(dm9000_init);
-module_exit(dm9000_cleanup);
-
-MODULE_AUTHOR("Sascha Hauer, Ben Dooks");
-MODULE_DESCRIPTION("Davicom DM9000 network driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:dm9000");
diff --git a/drivers/net/dm9000.h b/drivers/net/dm9000.h
deleted file mode 100644 (file)
index 55688bd..0000000
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * dm9000 Ethernet
- */
-
-#ifndef _DM9000X_H_
-#define _DM9000X_H_
-
-#define DM9000_ID              0x90000A46
-
-/* although the registers are 16 bit, they are 32-bit aligned.
- */
-
-#define DM9000_NCR             0x00
-#define DM9000_NSR             0x01
-#define DM9000_TCR             0x02
-#define DM9000_TSR1            0x03
-#define DM9000_TSR2            0x04
-#define DM9000_RCR             0x05
-#define DM9000_RSR             0x06
-#define DM9000_ROCR            0x07
-#define DM9000_BPTR            0x08
-#define DM9000_FCTR            0x09
-#define DM9000_FCR             0x0A
-#define DM9000_EPCR            0x0B
-#define DM9000_EPAR            0x0C
-#define DM9000_EPDRL           0x0D
-#define DM9000_EPDRH           0x0E
-#define DM9000_WCR             0x0F
-
-#define DM9000_PAR             0x10
-#define DM9000_MAR             0x16
-
-#define DM9000_GPCR           0x1e
-#define DM9000_GPR             0x1f
-#define DM9000_TRPAL           0x22
-#define DM9000_TRPAH           0x23
-#define DM9000_RWPAL           0x24
-#define DM9000_RWPAH           0x25
-
-#define DM9000_VIDL            0x28
-#define DM9000_VIDH            0x29
-#define DM9000_PIDL            0x2A
-#define DM9000_PIDH            0x2B
-
-#define DM9000_CHIPR           0x2C
-#define DM9000_SMCR            0x2F
-
-#define DM9000_ETXCSR          0x30
-#define DM9000_TCCR           0x31
-#define DM9000_RCSR           0x32
-
-#define CHIPR_DM9000A         0x19
-#define CHIPR_DM9000B         0x1A
-
-#define DM9000_MRCMDX          0xF0
-#define DM9000_MRCMD           0xF2
-#define DM9000_MRRL            0xF4
-#define DM9000_MRRH            0xF5
-#define DM9000_MWCMDX          0xF6
-#define DM9000_MWCMD           0xF8
-#define DM9000_MWRL            0xFA
-#define DM9000_MWRH            0xFB
-#define DM9000_TXPLL           0xFC
-#define DM9000_TXPLH           0xFD
-#define DM9000_ISR             0xFE
-#define DM9000_IMR             0xFF
-
-#define NCR_EXT_PHY         (1<<7)
-#define NCR_WAKEEN          (1<<6)
-#define NCR_FCOL            (1<<4)
-#define NCR_FDX             (1<<3)
-#define NCR_LBK             (3<<1)
-#define NCR_RST                    (1<<0)
-
-#define NSR_SPEED           (1<<7)
-#define NSR_LINKST          (1<<6)
-#define NSR_WAKEST          (1<<5)
-#define NSR_TX2END          (1<<3)
-#define NSR_TX1END          (1<<2)
-#define NSR_RXOV            (1<<1)
-
-#define TCR_TJDIS           (1<<6)
-#define TCR_EXCECM          (1<<5)
-#define TCR_PAD_DIS2        (1<<4)
-#define TCR_CRC_DIS2        (1<<3)
-#define TCR_PAD_DIS1        (1<<2)
-#define TCR_CRC_DIS1        (1<<1)
-#define TCR_TXREQ           (1<<0)
-
-#define TSR_TJTO            (1<<7)
-#define TSR_LC              (1<<6)
-#define TSR_NC              (1<<5)
-#define TSR_LCOL            (1<<4)
-#define TSR_COL             (1<<3)
-#define TSR_EC              (1<<2)
-
-#define RCR_WTDIS           (1<<6)
-#define RCR_DIS_LONG        (1<<5)
-#define RCR_DIS_CRC         (1<<4)
-#define RCR_ALL                    (1<<3)
-#define RCR_RUNT            (1<<2)
-#define RCR_PRMSC           (1<<1)
-#define RCR_RXEN            (1<<0)
-
-#define RSR_RF              (1<<7)
-#define RSR_MF              (1<<6)
-#define RSR_LCS             (1<<5)
-#define RSR_RWTO            (1<<4)
-#define RSR_PLE             (1<<3)
-#define RSR_AE              (1<<2)
-#define RSR_CE              (1<<1)
-#define RSR_FOE             (1<<0)
-
-#define WCR_LINKEN             (1 << 5)
-#define WCR_SAMPLEEN           (1 << 4)
-#define WCR_MAGICEN            (1 << 3)
-#define WCR_LINKST             (1 << 2)
-#define WCR_SAMPLEST           (1 << 1)
-#define WCR_MAGICST            (1 << 0)
-
-#define FCTR_HWOT(ot)  (( ot & 0xf ) << 4 )
-#define FCTR_LWOT(ot)  ( ot & 0xf )
-
-#define IMR_PAR             (1<<7)
-#define IMR_ROOM            (1<<3)
-#define IMR_ROM             (1<<2)
-#define IMR_PTM             (1<<1)
-#define IMR_PRM             (1<<0)
-
-#define ISR_ROOS            (1<<3)
-#define ISR_ROS             (1<<2)
-#define ISR_PTS             (1<<1)
-#define ISR_PRS             (1<<0)
-#define ISR_CLR_STATUS      (ISR_ROOS | ISR_ROS | ISR_PTS | ISR_PRS)
-
-#define EPCR_REEP           (1<<5)
-#define EPCR_WEP            (1<<4)
-#define EPCR_EPOS           (1<<3)
-#define EPCR_ERPRR          (1<<2)
-#define EPCR_ERPRW          (1<<1)
-#define EPCR_ERRE           (1<<0)
-
-#define GPCR_GEP_CNTL       (1<<0)
-
-#define TCCR_IP                    (1<<0)
-#define TCCR_TCP           (1<<1)
-#define TCCR_UDP           (1<<2)
-
-#define RCSR_UDP_BAD       (1<<7)
-#define RCSR_TCP_BAD       (1<<6)
-#define RCSR_IP_BAD        (1<<5)
-#define RCSR_UDP           (1<<4)
-#define RCSR_TCP           (1<<3)
-#define RCSR_IP                    (1<<2)
-#define RCSR_CSUM          (1<<1)
-#define RCSR_DISCARD       (1<<0)
-
-#define DM9000_PKT_RDY         0x01    /* Packet ready to receive */
-#define DM9000_PKT_ERR         0x02
-#define DM9000_PKT_MAX         1536    /* Received packet max size */
-
-/* DM9000A / DM9000B definitions */
-
-#define IMR_LNKCHNG            (1<<5)
-#define IMR_UNDERRUN           (1<<4)
-
-#define ISR_LNKCHNG            (1<<5)
-#define ISR_UNDERRUN           (1<<4)
-
-#endif /* _DM9000X_H_ */
-
index 0cec25cbf36b0962da4c39cb491e701b7f844155..45eef598cbb1893bf2d8461c4658c4adb7f5d1dc 100644 (file)
@@ -24,6 +24,7 @@ source "drivers/net/ethernet/brocade/Kconfig"
 source "drivers/net/ethernet/chelsio/Kconfig"
 source "drivers/net/ethernet/cirrus/Kconfig"
 source "drivers/net/ethernet/cisco/Kconfig"
+source "drivers/net/ethernet/davicom/Kconfig"
 
 config DNET
        tristate "Dave ethernet support (DNET)"
index ebe8aee3f839ee78bccb074d1a6c266b083270d1..dfd51467ea6527f0c3a5c0f8a8302cc7cff122bb 100644 (file)
@@ -16,6 +16,7 @@ obj-$(CONFIG_NET_VENDOR_BROCADE) += brocade/
 obj-$(CONFIG_NET_VENDOR_CHELSIO) += chelsio/
 obj-$(CONFIG_NET_VENDOR_CIRRUS) += cirrus/
 obj-$(CONFIG_NET_VENDOR_CISCO) += cisco/
+obj-$(CONFIG_DM9000) += davicom/
 obj-$(CONFIG_DNET) += dnet.o
 obj-$(CONFIG_NET_VENDOR_DEC) += dec/
 obj-$(CONFIG_NET_VENDOR_DLINK) += dlink/
diff --git a/drivers/net/ethernet/davicom/Kconfig b/drivers/net/ethernet/davicom/Kconfig
new file mode 100644 (file)
index 0000000..1809d25
--- /dev/null
@@ -0,0 +1,31 @@
+#
+# Davicom device configuration
+#
+
+config DM9000
+       tristate "DM9000 support"
+       depends on ARM || BLACKFIN || MIPS
+       select CRC32
+       select MII
+       ---help---
+         Support for DM9000 chipset.
+
+         To compile this driver as a module, choose M here.  The module
+         will be called dm9000.
+
+config DM9000_DEBUGLEVEL
+       int "DM9000 maximum debug level"
+       depends on DM9000
+       default 4
+       ---help---
+         The maximum level of debugging code compiled into the DM9000
+         driver.
+
+config DM9000_FORCE_SIMPLE_PHY_POLL
+       bool "Force simple NSR based PHY polling"
+       depends on DM9000
+       ---help---
+         This configuration forces the DM9000 to use the NSR's LinkStatus
+         bit to determine if the link is up or down instead of the more
+         costly MII PHY reads. Note, this will not work if the chip is
+         operating with an external PHY.
diff --git a/drivers/net/ethernet/davicom/Makefile b/drivers/net/ethernet/davicom/Makefile
new file mode 100644 (file)
index 0000000..74b31f0
--- /dev/null
@@ -0,0 +1,5 @@
+#
+# Makefile for the Davicom device drivers.
+#
+
+obj-$(CONFIG_DM9000) += dm9000.o
diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c
new file mode 100644 (file)
index 0000000..8ef31dc
--- /dev/null
@@ -0,0 +1,1705 @@
+/*
+ *      Davicom DM9000 Fast Ethernet driver for Linux.
+ *     Copyright (C) 1997  Sten Wang
+ *
+ *     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.
+ *
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * (C) Copyright 1997-1998 DAVICOM Semiconductor,Inc. All Rights Reserved.
+ *
+ * Additional updates, Copyright:
+ *     Ben Dooks <ben@simtec.co.uk>
+ *     Sascha Hauer <s.hauer@pengutronix.de>
+ */
+
+#include <linux/module.h>
+#include <linux/ioport.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/crc32.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/dm9000.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/slab.h>
+
+#include <asm/delay.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+
+#include "dm9000.h"
+
+/* Board/System/Debug information/definition ---------------- */
+
+#define DM9000_PHY             0x40    /* PHY address 0x01 */
+
+#define CARDNAME       "dm9000"
+#define DRV_VERSION    "1.31"
+
+/*
+ * Transmit timeout, default 5 seconds.
+ */
+static int watchdog = 5000;
+module_param(watchdog, int, 0400);
+MODULE_PARM_DESC(watchdog, "transmit timeout in milliseconds");
+
+/* DM9000 register address locking.
+ *
+ * The DM9000 uses an address register to control where data written
+ * to the data register goes. This means that the address register
+ * must be preserved over interrupts or similar calls.
+ *
+ * During interrupt and other critical calls, a spinlock is used to
+ * protect the system, but the calls themselves save the address
+ * in the address register in case they are interrupting another
+ * access to the device.
+ *
+ * For general accesses a lock is provided so that calls which are
+ * allowed to sleep are serialised so that the address register does
+ * not need to be saved. This lock also serves to serialise access
+ * to the EEPROM and PHY access registers which are shared between
+ * these two devices.
+ */
+
+/* The driver supports the original DM9000E, and now the two newer
+ * devices, DM9000A and DM9000B.
+ */
+
+enum dm9000_type {
+       TYPE_DM9000E,   /* original DM9000 */
+       TYPE_DM9000A,
+       TYPE_DM9000B
+};
+
+/* Structure/enum declaration ------------------------------- */
+typedef struct board_info {
+
+       void __iomem    *io_addr;       /* Register I/O base address */
+       void __iomem    *io_data;       /* Data I/O address */
+       u16              irq;           /* IRQ */
+
+       u16             tx_pkt_cnt;
+       u16             queue_pkt_len;
+       u16             queue_start_addr;
+       u16             queue_ip_summed;
+       u16             dbug_cnt;
+       u8              io_mode;                /* 0:word, 2:byte */
+       u8              phy_addr;
+       u8              imr_all;
+
+       unsigned int    flags;
+       unsigned int    in_suspend :1;
+       unsigned int    wake_supported :1;
+       int             debug_level;
+
+       enum dm9000_type type;
+
+       void (*inblk)(void __iomem *port, void *data, int length);
+       void (*outblk)(void __iomem *port, void *data, int length);
+       void (*dumpblk)(void __iomem *port, int length);
+
+       struct device   *dev;        /* parent device */
+
+       struct resource *addr_res;   /* resources found */
+       struct resource *data_res;
+       struct resource *addr_req;   /* resources requested */
+       struct resource *data_req;
+       struct resource *irq_res;
+
+       int              irq_wake;
+
+       struct mutex     addr_lock;     /* phy and eeprom access lock */
+
+       struct delayed_work phy_poll;
+       struct net_device  *ndev;
+
+       spinlock_t      lock;
+
+       struct mii_if_info mii;
+       u32             msg_enable;
+       u32             wake_state;
+
+       int             ip_summed;
+} board_info_t;
+
+/* debug code */
+
+#define dm9000_dbg(db, lev, msg...) do {               \
+       if ((lev) < CONFIG_DM9000_DEBUGLEVEL &&         \
+           (lev) < db->debug_level) {                  \
+               dev_dbg(db->dev, msg);                  \
+       }                                               \
+} while (0)
+
+static inline board_info_t *to_dm9000_board(struct net_device *dev)
+{
+       return netdev_priv(dev);
+}
+
+/* DM9000 network board routine ---------------------------- */
+
+static void
+dm9000_reset(board_info_t * db)
+{
+       dev_dbg(db->dev, "resetting device\n");
+
+       /* RESET device */
+       writeb(DM9000_NCR, db->io_addr);
+       udelay(200);
+       writeb(NCR_RST, db->io_data);
+       udelay(200);
+}
+
+/*
+ *   Read a byte from I/O port
+ */
+static u8
+ior(board_info_t * db, int reg)
+{
+       writeb(reg, db->io_addr);
+       return readb(db->io_data);
+}
+
+/*
+ *   Write a byte to I/O port
+ */
+
+static void
+iow(board_info_t * db, int reg, int value)
+{
+       writeb(reg, db->io_addr);
+       writeb(value, db->io_data);
+}
+
+/* routines for sending block to chip */
+
+static void dm9000_outblk_8bit(void __iomem *reg, void *data, int count)
+{
+       writesb(reg, data, count);
+}
+
+static void dm9000_outblk_16bit(void __iomem *reg, void *data, int count)
+{
+       writesw(reg, data, (count+1) >> 1);
+}
+
+static void dm9000_outblk_32bit(void __iomem *reg, void *data, int count)
+{
+       writesl(reg, data, (count+3) >> 2);
+}
+
+/* input block from chip to memory */
+
+static void dm9000_inblk_8bit(void __iomem *reg, void *data, int count)
+{
+       readsb(reg, data, count);
+}
+
+
+static void dm9000_inblk_16bit(void __iomem *reg, void *data, int count)
+{
+       readsw(reg, data, (count+1) >> 1);
+}
+
+static void dm9000_inblk_32bit(void __iomem *reg, void *data, int count)
+{
+       readsl(reg, data, (count+3) >> 2);
+}
+
+/* dump block from chip to null */
+
+static void dm9000_dumpblk_8bit(void __iomem *reg, int count)
+{
+       int i;
+       int tmp;
+
+       for (i = 0; i < count; i++)
+               tmp = readb(reg);
+}
+
+static void dm9000_dumpblk_16bit(void __iomem *reg, int count)
+{
+       int i;
+       int tmp;
+
+       count = (count + 1) >> 1;
+
+       for (i = 0; i < count; i++)
+               tmp = readw(reg);
+}
+
+static void dm9000_dumpblk_32bit(void __iomem *reg, int count)
+{
+       int i;
+       int tmp;
+
+       count = (count + 3) >> 2;
+
+       for (i = 0; i < count; i++)
+               tmp = readl(reg);
+}
+
+/* dm9000_set_io
+ *
+ * select the specified set of io routines to use with the
+ * device
+ */
+
+static void dm9000_set_io(struct board_info *db, int byte_width)
+{
+       /* use the size of the data resource to work out what IO
+        * routines we want to use
+        */
+
+       switch (byte_width) {
+       case 1:
+               db->dumpblk = dm9000_dumpblk_8bit;
+               db->outblk  = dm9000_outblk_8bit;
+               db->inblk   = dm9000_inblk_8bit;
+               break;
+
+
+       case 3:
+               dev_dbg(db->dev, ": 3 byte IO, falling back to 16bit\n");
+       case 2:
+               db->dumpblk = dm9000_dumpblk_16bit;
+               db->outblk  = dm9000_outblk_16bit;
+               db->inblk   = dm9000_inblk_16bit;
+               break;
+
+       case 4:
+       default:
+               db->dumpblk = dm9000_dumpblk_32bit;
+               db->outblk  = dm9000_outblk_32bit;
+               db->inblk   = dm9000_inblk_32bit;
+               break;
+       }
+}
+
+static void dm9000_schedule_poll(board_info_t *db)
+{
+       if (db->type == TYPE_DM9000E)
+               schedule_delayed_work(&db->phy_poll, HZ * 2);
+}
+
+static int dm9000_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
+{
+       board_info_t *dm = to_dm9000_board(dev);
+
+       if (!netif_running(dev))
+               return -EINVAL;
+
+       return generic_mii_ioctl(&dm->mii, if_mii(req), cmd, NULL);
+}
+
+static unsigned int
+dm9000_read_locked(board_info_t *db, int reg)
+{
+       unsigned long flags;
+       unsigned int ret;
+
+       spin_lock_irqsave(&db->lock, flags);
+       ret = ior(db, reg);
+       spin_unlock_irqrestore(&db->lock, flags);
+
+       return ret;
+}
+
+static int dm9000_wait_eeprom(board_info_t *db)
+{
+       unsigned int status;
+       int timeout = 8;        /* wait max 8msec */
+
+       /* The DM9000 data sheets say we should be able to
+        * poll the ERRE bit in EPCR to wait for the EEPROM
+        * operation. From testing several chips, this bit
+        * does not seem to work.
+        *
+        * We attempt to use the bit, but fall back to the
+        * timeout (which is why we do not return an error
+        * on expiry) to say that the EEPROM operation has
+        * completed.
+        */
+
+       while (1) {
+               status = dm9000_read_locked(db, DM9000_EPCR);
+
+               if ((status & EPCR_ERRE) == 0)
+                       break;
+
+               msleep(1);
+
+               if (timeout-- < 0) {
+                       dev_dbg(db->dev, "timeout waiting EEPROM\n");
+                       break;
+               }
+       }
+
+       return 0;
+}
+
+/*
+ *  Read a word data from EEPROM
+ */
+static void
+dm9000_read_eeprom(board_info_t *db, int offset, u8 *to)
+{
+       unsigned long flags;
+
+       if (db->flags & DM9000_PLATF_NO_EEPROM) {
+               to[0] = 0xff;
+               to[1] = 0xff;
+               return;
+       }
+
+       mutex_lock(&db->addr_lock);
+
+       spin_lock_irqsave(&db->lock, flags);
+
+       iow(db, DM9000_EPAR, offset);
+       iow(db, DM9000_EPCR, EPCR_ERPRR);
+
+       spin_unlock_irqrestore(&db->lock, flags);
+
+       dm9000_wait_eeprom(db);
+
+       /* delay for at-least 150uS */
+       msleep(1);
+
+       spin_lock_irqsave(&db->lock, flags);
+
+       iow(db, DM9000_EPCR, 0x0);
+
+       to[0] = ior(db, DM9000_EPDRL);
+       to[1] = ior(db, DM9000_EPDRH);
+
+       spin_unlock_irqrestore(&db->lock, flags);
+
+       mutex_unlock(&db->addr_lock);
+}
+
+/*
+ * Write a word data to SROM
+ */
+static void
+dm9000_write_eeprom(board_info_t *db, int offset, u8 *data)
+{
+       unsigned long flags;
+
+       if (db->flags & DM9000_PLATF_NO_EEPROM)
+               return;
+
+       mutex_lock(&db->addr_lock);
+
+       spin_lock_irqsave(&db->lock, flags);
+       iow(db, DM9000_EPAR, offset);
+       iow(db, DM9000_EPDRH, data[1]);
+       iow(db, DM9000_EPDRL, data[0]);
+       iow(db, DM9000_EPCR, EPCR_WEP | EPCR_ERPRW);
+       spin_unlock_irqrestore(&db->lock, flags);
+
+       dm9000_wait_eeprom(db);
+
+       mdelay(1);      /* wait at least 150uS to clear */
+
+       spin_lock_irqsave(&db->lock, flags);
+       iow(db, DM9000_EPCR, 0);
+       spin_unlock_irqrestore(&db->lock, flags);
+
+       mutex_unlock(&db->addr_lock);
+}
+
+/* ethtool ops */
+
+static void dm9000_get_drvinfo(struct net_device *dev,
+                              struct ethtool_drvinfo *info)
+{
+       board_info_t *dm = to_dm9000_board(dev);
+
+       strcpy(info->driver, CARDNAME);
+       strcpy(info->version, DRV_VERSION);
+       strcpy(info->bus_info, to_platform_device(dm->dev)->name);
+}
+
+static u32 dm9000_get_msglevel(struct net_device *dev)
+{
+       board_info_t *dm = to_dm9000_board(dev);
+
+       return dm->msg_enable;
+}
+
+static void dm9000_set_msglevel(struct net_device *dev, u32 value)
+{
+       board_info_t *dm = to_dm9000_board(dev);
+
+       dm->msg_enable = value;
+}
+
+static int dm9000_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+       board_info_t *dm = to_dm9000_board(dev);
+
+       mii_ethtool_gset(&dm->mii, cmd);
+       return 0;
+}
+
+static int dm9000_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+       board_info_t *dm = to_dm9000_board(dev);
+
+       return mii_ethtool_sset(&dm->mii, cmd);
+}
+
+static int dm9000_nway_reset(struct net_device *dev)
+{
+       board_info_t *dm = to_dm9000_board(dev);
+       return mii_nway_restart(&dm->mii);
+}
+
+static int dm9000_set_features(struct net_device *dev, u32 features)
+{
+       board_info_t *dm = to_dm9000_board(dev);
+       u32 changed = dev->features ^ features;
+       unsigned long flags;
+
+       if (!(changed & NETIF_F_RXCSUM))
+               return 0;
+
+       spin_lock_irqsave(&dm->lock, flags);
+       iow(dm, DM9000_RCSR, (features & NETIF_F_RXCSUM) ? RCSR_CSUM : 0);
+       spin_unlock_irqrestore(&dm->lock, flags);
+
+       return 0;
+}
+
+static u32 dm9000_get_link(struct net_device *dev)
+{
+       board_info_t *dm = to_dm9000_board(dev);
+       u32 ret;
+
+       if (dm->flags & DM9000_PLATF_EXT_PHY)
+               ret = mii_link_ok(&dm->mii);
+       else
+               ret = dm9000_read_locked(dm, DM9000_NSR) & NSR_LINKST ? 1 : 0;
+
+       return ret;
+}
+
+#define DM_EEPROM_MAGIC                (0x444D394B)
+
+static int dm9000_get_eeprom_len(struct net_device *dev)
+{
+       return 128;
+}
+
+static int dm9000_get_eeprom(struct net_device *dev,
+                            struct ethtool_eeprom *ee, u8 *data)
+{
+       board_info_t *dm = to_dm9000_board(dev);
+       int offset = ee->offset;
+       int len = ee->len;
+       int i;
+
+       /* EEPROM access is aligned to two bytes */
+
+       if ((len & 1) != 0 || (offset & 1) != 0)
+               return -EINVAL;
+
+       if (dm->flags & DM9000_PLATF_NO_EEPROM)
+               return -ENOENT;
+
+       ee->magic = DM_EEPROM_MAGIC;
+
+       for (i = 0; i < len; i += 2)
+               dm9000_read_eeprom(dm, (offset + i) / 2, data + i);
+
+       return 0;
+}
+
+static int dm9000_set_eeprom(struct net_device *dev,
+                            struct ethtool_eeprom *ee, u8 *data)
+{
+       board_info_t *dm = to_dm9000_board(dev);
+       int offset = ee->offset;
+       int len = ee->len;
+       int done;
+
+       /* EEPROM access is aligned to two bytes */
+
+       if (dm->flags & DM9000_PLATF_NO_EEPROM)
+               return -ENOENT;
+
+       if (ee->magic != DM_EEPROM_MAGIC)
+               return -EINVAL;
+
+       while (len > 0) {
+               if (len & 1 || offset & 1) {
+                       int which = offset & 1;
+                       u8 tmp[2];
+
+                       dm9000_read_eeprom(dm, offset / 2, tmp);
+                       tmp[which] = *data;
+                       dm9000_write_eeprom(dm, offset / 2, tmp);
+
+                       done = 1;
+               } else {
+                       dm9000_write_eeprom(dm, offset / 2, data);
+                       done = 2;
+               }
+
+               data += done;
+               offset += done;
+               len -= done;
+       }
+
+       return 0;
+}
+
+static void dm9000_get_wol(struct net_device *dev, struct ethtool_wolinfo *w)
+{
+       board_info_t *dm = to_dm9000_board(dev);
+
+       memset(w, 0, sizeof(struct ethtool_wolinfo));
+
+       /* note, we could probably support wake-phy too */
+       w->supported = dm->wake_supported ? WAKE_MAGIC : 0;
+       w->wolopts = dm->wake_state;
+}
+
+static int dm9000_set_wol(struct net_device *dev, struct ethtool_wolinfo *w)
+{
+       board_info_t *dm = to_dm9000_board(dev);
+       unsigned long flags;
+       u32 opts = w->wolopts;
+       u32 wcr = 0;
+
+       if (!dm->wake_supported)
+               return -EOPNOTSUPP;
+
+       if (opts & ~WAKE_MAGIC)
+               return -EINVAL;
+
+       if (opts & WAKE_MAGIC)
+               wcr |= WCR_MAGICEN;
+
+       mutex_lock(&dm->addr_lock);
+
+       spin_lock_irqsave(&dm->lock, flags);
+       iow(dm, DM9000_WCR, wcr);
+       spin_unlock_irqrestore(&dm->lock, flags);
+
+       mutex_unlock(&dm->addr_lock);
+
+       if (dm->wake_state != opts) {
+               /* change in wol state, update IRQ state */
+
+               if (!dm->wake_state)
+                       irq_set_irq_wake(dm->irq_wake, 1);
+               else if (dm->wake_state & !opts)
+                       irq_set_irq_wake(dm->irq_wake, 0);
+       }
+
+       dm->wake_state = opts;
+       return 0;
+}
+
+static const struct ethtool_ops dm9000_ethtool_ops = {
+       .get_drvinfo            = dm9000_get_drvinfo,
+       .get_settings           = dm9000_get_settings,
+       .set_settings           = dm9000_set_settings,
+       .get_msglevel           = dm9000_get_msglevel,
+       .set_msglevel           = dm9000_set_msglevel,
+       .nway_reset             = dm9000_nway_reset,
+       .get_link               = dm9000_get_link,
+       .get_wol                = dm9000_get_wol,
+       .set_wol                = dm9000_set_wol,
+       .get_eeprom_len         = dm9000_get_eeprom_len,
+       .get_eeprom             = dm9000_get_eeprom,
+       .set_eeprom             = dm9000_set_eeprom,
+};
+
+static void dm9000_show_carrier(board_info_t *db,
+                               unsigned carrier, unsigned nsr)
+{
+       struct net_device *ndev = db->ndev;
+       unsigned ncr = dm9000_read_locked(db, DM9000_NCR);
+
+       if (carrier)
+               dev_info(db->dev, "%s: link up, %dMbps, %s-duplex, no LPA\n",
+                        ndev->name, (nsr & NSR_SPEED) ? 10 : 100,
+                        (ncr & NCR_FDX) ? "full" : "half");
+       else
+               dev_info(db->dev, "%s: link down\n", ndev->name);
+}
+
+static void
+dm9000_poll_work(struct work_struct *w)
+{
+       struct delayed_work *dw = to_delayed_work(w);
+       board_info_t *db = container_of(dw, board_info_t, phy_poll);
+       struct net_device *ndev = db->ndev;
+
+       if (db->flags & DM9000_PLATF_SIMPLE_PHY &&
+           !(db->flags & DM9000_PLATF_EXT_PHY)) {
+               unsigned nsr = dm9000_read_locked(db, DM9000_NSR);
+               unsigned old_carrier = netif_carrier_ok(ndev) ? 1 : 0;
+               unsigned new_carrier;
+
+               new_carrier = (nsr & NSR_LINKST) ? 1 : 0;
+
+               if (old_carrier != new_carrier) {
+                       if (netif_msg_link(db))
+                               dm9000_show_carrier(db, new_carrier, nsr);
+
+                       if (!new_carrier)
+                               netif_carrier_off(ndev);
+                       else
+                               netif_carrier_on(ndev);
+               }
+       } else
+               mii_check_media(&db->mii, netif_msg_link(db), 0);
+       
+       if (netif_running(ndev))
+               dm9000_schedule_poll(db);
+}
+
+/* dm9000_release_board
+ *
+ * release a board, and any mapped resources
+ */
+
+static void
+dm9000_release_board(struct platform_device *pdev, struct board_info *db)
+{
+       /* unmap our resources */
+
+       iounmap(db->io_addr);
+       iounmap(db->io_data);
+
+       /* release the resources */
+
+       release_resource(db->data_req);
+       kfree(db->data_req);
+
+       release_resource(db->addr_req);
+       kfree(db->addr_req);
+}
+
+static unsigned char dm9000_type_to_char(enum dm9000_type type)
+{
+       switch (type) {
+       case TYPE_DM9000E: return 'e';
+       case TYPE_DM9000A: return 'a';
+       case TYPE_DM9000B: return 'b';
+       }
+
+       return '?';
+}
+
+/*
+ *  Set DM9000 multicast address
+ */
+static void
+dm9000_hash_table_unlocked(struct net_device *dev)
+{
+       board_info_t *db = netdev_priv(dev);
+       struct netdev_hw_addr *ha;
+       int i, oft;
+       u32 hash_val;
+       u16 hash_table[4];
+       u8 rcr = RCR_DIS_LONG | RCR_DIS_CRC | RCR_RXEN;
+
+       dm9000_dbg(db, 1, "entering %s\n", __func__);
+
+       for (i = 0, oft = DM9000_PAR; i < 6; i++, oft++)
+               iow(db, oft, dev->dev_addr[i]);
+
+       /* Clear Hash Table */
+       for (i = 0; i < 4; i++)
+               hash_table[i] = 0x0;
+
+       /* broadcast address */
+       hash_table[3] = 0x8000;
+
+       if (dev->flags & IFF_PROMISC)
+               rcr |= RCR_PRMSC;
+
+       if (dev->flags & IFF_ALLMULTI)
+               rcr |= RCR_ALL;
+
+       /* the multicast address in Hash Table : 64 bits */
+       netdev_for_each_mc_addr(ha, dev) {
+               hash_val = ether_crc_le(6, ha->addr) & 0x3f;
+               hash_table[hash_val / 16] |= (u16) 1 << (hash_val % 16);
+       }
+
+       /* Write the hash table to MAC MD table */
+       for (i = 0, oft = DM9000_MAR; i < 4; i++) {
+               iow(db, oft++, hash_table[i]);
+               iow(db, oft++, hash_table[i] >> 8);
+       }
+
+       iow(db, DM9000_RCR, rcr);
+}
+
+static void
+dm9000_hash_table(struct net_device *dev)
+{
+       board_info_t *db = netdev_priv(dev);
+       unsigned long flags;
+
+       spin_lock_irqsave(&db->lock, flags);
+       dm9000_hash_table_unlocked(dev);
+       spin_unlock_irqrestore(&db->lock, flags);
+}
+
+/*
+ * Initialize dm9000 board
+ */
+static void
+dm9000_init_dm9000(struct net_device *dev)
+{
+       board_info_t *db = netdev_priv(dev);
+       unsigned int imr;
+       unsigned int ncr;
+
+       dm9000_dbg(db, 1, "entering %s\n", __func__);
+
+       /* I/O mode */
+       db->io_mode = ior(db, DM9000_ISR) >> 6; /* ISR bit7:6 keeps I/O mode */
+
+       /* Checksum mode */
+       if (dev->hw_features & NETIF_F_RXCSUM)
+               iow(db, DM9000_RCSR,
+                       (dev->features & NETIF_F_RXCSUM) ? RCSR_CSUM : 0);
+
+       iow(db, DM9000_GPCR, GPCR_GEP_CNTL);    /* Let GPIO0 output */
+
+       ncr = (db->flags & DM9000_PLATF_EXT_PHY) ? NCR_EXT_PHY : 0;
+
+       /* if wol is needed, then always set NCR_WAKEEN otherwise we end
+        * up dumping the wake events if we disable this. There is already
+        * a wake-mask in DM9000_WCR */
+       if (db->wake_supported)
+               ncr |= NCR_WAKEEN;
+
+       iow(db, DM9000_NCR, ncr);
+
+       /* Program operating register */
+       iow(db, DM9000_TCR, 0);         /* TX Polling clear */
+       iow(db, DM9000_BPTR, 0x3f);     /* Less 3Kb, 200us */
+       iow(db, DM9000_FCR, 0xff);      /* Flow Control */
+       iow(db, DM9000_SMCR, 0);        /* Special Mode */
+       /* clear TX status */
+       iow(db, DM9000_NSR, NSR_WAKEST | NSR_TX2END | NSR_TX1END);
+       iow(db, DM9000_ISR, ISR_CLR_STATUS); /* Clear interrupt status */
+
+       /* Set address filter table */
+       dm9000_hash_table_unlocked(dev);
+
+       imr = IMR_PAR | IMR_PTM | IMR_PRM;
+       if (db->type != TYPE_DM9000E)
+               imr |= IMR_LNKCHNG;
+
+       db->imr_all = imr;
+
+       /* Enable TX/RX interrupt mask */
+       iow(db, DM9000_IMR, imr);
+
+       /* Init Driver variable */
+       db->tx_pkt_cnt = 0;
+       db->queue_pkt_len = 0;
+       dev->trans_start = jiffies;
+}
+
+/* Our watchdog timed out. Called by the networking layer */
+static void dm9000_timeout(struct net_device *dev)
+{
+       board_info_t *db = netdev_priv(dev);
+       u8 reg_save;
+       unsigned long flags;
+
+       /* Save previous register address */
+       spin_lock_irqsave(&db->lock, flags);
+       reg_save = readb(db->io_addr);
+
+       netif_stop_queue(dev);
+       dm9000_reset(db);
+       dm9000_init_dm9000(dev);
+       /* We can accept TX packets again */
+       dev->trans_start = jiffies; /* prevent tx timeout */
+       netif_wake_queue(dev);
+
+       /* Restore previous register address */
+       writeb(reg_save, db->io_addr);
+       spin_unlock_irqrestore(&db->lock, flags);
+}
+
+static void dm9000_send_packet(struct net_device *dev,
+                              int ip_summed,
+                              u16 pkt_len)
+{
+       board_info_t *dm = to_dm9000_board(dev);
+
+       /* The DM9000 is not smart enough to leave fragmented packets alone. */
+       if (dm->ip_summed != ip_summed) {
+               if (ip_summed == CHECKSUM_NONE)
+                       iow(dm, DM9000_TCCR, 0);
+               else
+                       iow(dm, DM9000_TCCR, TCCR_IP | TCCR_UDP | TCCR_TCP);
+               dm->ip_summed = ip_summed;
+       }
+
+       /* Set TX length to DM9000 */
+       iow(dm, DM9000_TXPLL, pkt_len);
+       iow(dm, DM9000_TXPLH, pkt_len >> 8);
+
+       /* Issue TX polling command */
+       iow(dm, DM9000_TCR, TCR_TXREQ); /* Cleared after TX complete */
+}
+
+/*
+ *  Hardware start transmission.
+ *  Send a packet to media from the upper layer.
+ */
+static int
+dm9000_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+       unsigned long flags;
+       board_info_t *db = netdev_priv(dev);
+
+       dm9000_dbg(db, 3, "%s:\n", __func__);
+
+       if (db->tx_pkt_cnt > 1)
+               return NETDEV_TX_BUSY;
+
+       spin_lock_irqsave(&db->lock, flags);
+
+       /* Move data to DM9000 TX RAM */
+       writeb(DM9000_MWCMD, db->io_addr);
+
+       (db->outblk)(db->io_data, skb->data, skb->len);
+       dev->stats.tx_bytes += skb->len;
+
+       db->tx_pkt_cnt++;
+       /* TX control: First packet immediately send, second packet queue */
+       if (db->tx_pkt_cnt == 1) {
+               dm9000_send_packet(dev, skb->ip_summed, skb->len);
+       } else {
+               /* Second packet */
+               db->queue_pkt_len = skb->len;
+               db->queue_ip_summed = skb->ip_summed;
+               netif_stop_queue(dev);
+       }
+
+       spin_unlock_irqrestore(&db->lock, flags);
+
+       /* free this SKB */
+       dev_kfree_skb(skb);
+
+       return NETDEV_TX_OK;
+}
+
+/*
+ * DM9000 interrupt handler
+ * receive the packet to upper layer, free the transmitted packet
+ */
+
+static void dm9000_tx_done(struct net_device *dev, board_info_t *db)
+{
+       int tx_status = ior(db, DM9000_NSR);    /* Got TX status */
+
+       if (tx_status & (NSR_TX2END | NSR_TX1END)) {
+               /* One packet sent complete */
+               db->tx_pkt_cnt--;
+               dev->stats.tx_packets++;
+
+               if (netif_msg_tx_done(db))
+                       dev_dbg(db->dev, "tx done, NSR %02x\n", tx_status);
+
+               /* Queue packet check & send */
+               if (db->tx_pkt_cnt > 0)
+                       dm9000_send_packet(dev, db->queue_ip_summed,
+                                          db->queue_pkt_len);
+               netif_wake_queue(dev);
+       }
+}
+
+struct dm9000_rxhdr {
+       u8      RxPktReady;
+       u8      RxStatus;
+       __le16  RxLen;
+} __packed;
+
+/*
+ *  Received a packet and pass to upper layer
+ */
+static void
+dm9000_rx(struct net_device *dev)
+{
+       board_info_t *db = netdev_priv(dev);
+       struct dm9000_rxhdr rxhdr;
+       struct sk_buff *skb;
+       u8 rxbyte, *rdptr;
+       bool GoodPacket;
+       int RxLen;
+
+       /* Check packet ready or not */
+       do {
+               ior(db, DM9000_MRCMDX); /* Dummy read */
+
+               /* Get most updated data */
+               rxbyte = readb(db->io_data);
+
+               /* Status check: this byte must be 0 or 1 */
+               if (rxbyte & DM9000_PKT_ERR) {
+                       dev_warn(db->dev, "status check fail: %d\n", rxbyte);
+                       iow(db, DM9000_RCR, 0x00);      /* Stop Device */
+                       iow(db, DM9000_ISR, IMR_PAR);   /* Stop INT request */
+                       return;
+               }
+
+               if (!(rxbyte & DM9000_PKT_RDY))
+                       return;
+
+               /* A packet ready now  & Get status/length */
+               GoodPacket = true;
+               writeb(DM9000_MRCMD, db->io_addr);
+
+               (db->inblk)(db->io_data, &rxhdr, sizeof(rxhdr));
+
+               RxLen = le16_to_cpu(rxhdr.RxLen);
+
+               if (netif_msg_rx_status(db))
+                       dev_dbg(db->dev, "RX: status %02x, length %04x\n",
+                               rxhdr.RxStatus, RxLen);
+
+               /* Packet Status check */
+               if (RxLen < 0x40) {
+                       GoodPacket = false;
+                       if (netif_msg_rx_err(db))
+                               dev_dbg(db->dev, "RX: Bad Packet (runt)\n");
+               }
+
+               if (RxLen > DM9000_PKT_MAX) {
+                       dev_dbg(db->dev, "RST: RX Len:%x\n", RxLen);
+               }
+
+               /* rxhdr.RxStatus is identical to RSR register. */
+               if (rxhdr.RxStatus & (RSR_FOE | RSR_CE | RSR_AE |
+                                     RSR_PLE | RSR_RWTO |
+                                     RSR_LCS | RSR_RF)) {
+                       GoodPacket = false;
+                       if (rxhdr.RxStatus & RSR_FOE) {
+                               if (netif_msg_rx_err(db))
+                                       dev_dbg(db->dev, "fifo error\n");
+                               dev->stats.rx_fifo_errors++;
+                       }
+                       if (rxhdr.RxStatus & RSR_CE) {
+                               if (netif_msg_rx_err(db))
+                                       dev_dbg(db->dev, "crc error\n");
+                               dev->stats.rx_crc_errors++;
+                       }
+                       if (rxhdr.RxStatus & RSR_RF) {
+                               if (netif_msg_rx_err(db))
+                                       dev_dbg(db->dev, "length error\n");
+                               dev->stats.rx_length_errors++;
+                       }
+               }
+
+               /* Move data from DM9000 */
+               if (GoodPacket &&
+                   ((skb = dev_alloc_skb(RxLen + 4)) != NULL)) {
+                       skb_reserve(skb, 2);
+                       rdptr = (u8 *) skb_put(skb, RxLen - 4);
+
+                       /* Read received packet from RX SRAM */
+
+                       (db->inblk)(db->io_data, rdptr, RxLen);
+                       dev->stats.rx_bytes += RxLen;
+
+                       /* Pass to upper layer */
+                       skb->protocol = eth_type_trans(skb, dev);
+                       if (dev->features & NETIF_F_RXCSUM) {
+                               if ((((rxbyte & 0x1c) << 3) & rxbyte) == 0)
+                                       skb->ip_summed = CHECKSUM_UNNECESSARY;
+                               else
+                                       skb_checksum_none_assert(skb);
+                       }
+                       netif_rx(skb);
+                       dev->stats.rx_packets++;
+
+               } else {
+                       /* need to dump the packet's data */
+
+                       (db->dumpblk)(db->io_data, RxLen);
+               }
+       } while (rxbyte & DM9000_PKT_RDY);
+}
+
+static irqreturn_t dm9000_interrupt(int irq, void *dev_id)
+{
+       struct net_device *dev = dev_id;
+       board_info_t *db = netdev_priv(dev);
+       int int_status;
+       unsigned long flags;
+       u8 reg_save;
+
+       dm9000_dbg(db, 3, "entering %s\n", __func__);
+
+       /* A real interrupt coming */
+
+       /* holders of db->lock must always block IRQs */
+       spin_lock_irqsave(&db->lock, flags);
+
+       /* Save previous register address */
+       reg_save = readb(db->io_addr);
+
+       /* Disable all interrupts */
+       iow(db, DM9000_IMR, IMR_PAR);
+
+       /* Got DM9000 interrupt status */
+       int_status = ior(db, DM9000_ISR);       /* Got ISR */
+       iow(db, DM9000_ISR, int_status);        /* Clear ISR status */
+
+       if (netif_msg_intr(db))
+               dev_dbg(db->dev, "interrupt status %02x\n", int_status);
+
+       /* Received the coming packet */
+       if (int_status & ISR_PRS)
+               dm9000_rx(dev);
+
+       /* Trnasmit Interrupt check */
+       if (int_status & ISR_PTS)
+               dm9000_tx_done(dev, db);
+
+       if (db->type != TYPE_DM9000E) {
+               if (int_status & ISR_LNKCHNG) {
+                       /* fire a link-change request */
+                       schedule_delayed_work(&db->phy_poll, 1);
+               }
+       }
+
+       /* Re-enable interrupt mask */
+       iow(db, DM9000_IMR, db->imr_all);
+
+       /* Restore previous register address */
+       writeb(reg_save, db->io_addr);
+
+       spin_unlock_irqrestore(&db->lock, flags);
+
+       return IRQ_HANDLED;
+}
+
+static irqreturn_t dm9000_wol_interrupt(int irq, void *dev_id)
+{
+       struct net_device *dev = dev_id;
+       board_info_t *db = netdev_priv(dev);
+       unsigned long flags;
+       unsigned nsr, wcr;
+
+       spin_lock_irqsave(&db->lock, flags);
+
+       nsr = ior(db, DM9000_NSR);
+       wcr = ior(db, DM9000_WCR);
+
+       dev_dbg(db->dev, "%s: NSR=0x%02x, WCR=0x%02x\n", __func__, nsr, wcr);
+
+       if (nsr & NSR_WAKEST) {
+               /* clear, so we can avoid */
+               iow(db, DM9000_NSR, NSR_WAKEST);
+
+               if (wcr & WCR_LINKST)
+                       dev_info(db->dev, "wake by link status change\n");
+               if (wcr & WCR_SAMPLEST)
+                       dev_info(db->dev, "wake by sample packet\n");
+               if (wcr & WCR_MAGICST )
+                       dev_info(db->dev, "wake by magic packet\n");
+               if (!(wcr & (WCR_LINKST | WCR_SAMPLEST | WCR_MAGICST)))
+                       dev_err(db->dev, "wake signalled with no reason? "
+                               "NSR=0x%02x, WSR=0x%02x\n", nsr, wcr);
+
+       }
+
+       spin_unlock_irqrestore(&db->lock, flags);
+
+       return (nsr & NSR_WAKEST) ? IRQ_HANDLED : IRQ_NONE;
+}
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ *Used by netconsole
+ */
+static void dm9000_poll_controller(struct net_device *dev)
+{
+       disable_irq(dev->irq);
+       dm9000_interrupt(dev->irq, dev);
+       enable_irq(dev->irq);
+}
+#endif
+
+/*
+ *  Open the interface.
+ *  The interface is opened whenever "ifconfig" actives it.
+ */
+static int
+dm9000_open(struct net_device *dev)
+{
+       board_info_t *db = netdev_priv(dev);
+       unsigned long irqflags = db->irq_res->flags & IRQF_TRIGGER_MASK;
+
+       if (netif_msg_ifup(db))
+               dev_dbg(db->dev, "enabling %s\n", dev->name);
+
+       /* If there is no IRQ type specified, default to something that
+        * may work, and tell the user that this is a problem */
+
+       if (irqflags == IRQF_TRIGGER_NONE)
+               dev_warn(db->dev, "WARNING: no IRQ resource flags set.\n");
+
+       irqflags |= IRQF_SHARED;
+
+       /* GPIO0 on pre-activate PHY, Reg 1F is not set by reset */
+       iow(db, DM9000_GPR, 0); /* REG_1F bit0 activate phyxcer */
+       mdelay(1); /* delay needs by DM9000B */
+
+       /* Initialize DM9000 board */
+       dm9000_reset(db);
+       dm9000_init_dm9000(dev);
+
+       if (request_irq(dev->irq, dm9000_interrupt, irqflags, dev->name, dev))
+               return -EAGAIN;
+
+       /* Init driver variable */
+       db->dbug_cnt = 0;
+
+       mii_check_media(&db->mii, netif_msg_link(db), 1);
+       netif_start_queue(dev);
+       
+       dm9000_schedule_poll(db);
+
+       return 0;
+}
+
+/*
+ * Sleep, either by using msleep() or if we are suspending, then
+ * use mdelay() to sleep.
+ */
+static void dm9000_msleep(board_info_t *db, unsigned int ms)
+{
+       if (db->in_suspend)
+               mdelay(ms);
+       else
+               msleep(ms);
+}
+
+/*
+ *   Read a word from phyxcer
+ */
+static int
+dm9000_phy_read(struct net_device *dev, int phy_reg_unused, int reg)
+{
+       board_info_t *db = netdev_priv(dev);
+       unsigned long flags;
+       unsigned int reg_save;
+       int ret;
+
+       mutex_lock(&db->addr_lock);
+
+       spin_lock_irqsave(&db->lock,flags);
+
+       /* Save previous register address */
+       reg_save = readb(db->io_addr);
+
+       /* Fill the phyxcer register into REG_0C */
+       iow(db, DM9000_EPAR, DM9000_PHY | reg);
+
+       iow(db, DM9000_EPCR, EPCR_ERPRR | EPCR_EPOS);   /* Issue phyxcer read command */
+
+       writeb(reg_save, db->io_addr);
+       spin_unlock_irqrestore(&db->lock,flags);
+
+       dm9000_msleep(db, 1);           /* Wait read complete */
+
+       spin_lock_irqsave(&db->lock,flags);
+       reg_save = readb(db->io_addr);
+
+       iow(db, DM9000_EPCR, 0x0);      /* Clear phyxcer read command */
+
+       /* The read data keeps on REG_0D & REG_0E */
+       ret = (ior(db, DM9000_EPDRH) << 8) | ior(db, DM9000_EPDRL);
+
+       /* restore the previous address */
+       writeb(reg_save, db->io_addr);
+       spin_unlock_irqrestore(&db->lock,flags);
+
+       mutex_unlock(&db->addr_lock);
+
+       dm9000_dbg(db, 5, "phy_read[%02x] -> %04x\n", reg, ret);
+       return ret;
+}
+
+/*
+ *   Write a word to phyxcer
+ */
+static void
+dm9000_phy_write(struct net_device *dev,
+                int phyaddr_unused, int reg, int value)
+{
+       board_info_t *db = netdev_priv(dev);
+       unsigned long flags;
+       unsigned long reg_save;
+
+       dm9000_dbg(db, 5, "phy_write[%02x] = %04x\n", reg, value);
+       mutex_lock(&db->addr_lock);
+
+       spin_lock_irqsave(&db->lock,flags);
+
+       /* Save previous register address */
+       reg_save = readb(db->io_addr);
+
+       /* Fill the phyxcer register into REG_0C */
+       iow(db, DM9000_EPAR, DM9000_PHY | reg);
+
+       /* Fill the written data into REG_0D & REG_0E */
+       iow(db, DM9000_EPDRL, value);
+       iow(db, DM9000_EPDRH, value >> 8);
+
+       iow(db, DM9000_EPCR, EPCR_EPOS | EPCR_ERPRW);   /* Issue phyxcer write command */
+
+       writeb(reg_save, db->io_addr);
+       spin_unlock_irqrestore(&db->lock, flags);
+
+       dm9000_msleep(db, 1);           /* Wait write complete */
+
+       spin_lock_irqsave(&db->lock,flags);
+       reg_save = readb(db->io_addr);
+
+       iow(db, DM9000_EPCR, 0x0);      /* Clear phyxcer write command */
+
+       /* restore the previous address */
+       writeb(reg_save, db->io_addr);
+
+       spin_unlock_irqrestore(&db->lock, flags);
+       mutex_unlock(&db->addr_lock);
+}
+
+static void
+dm9000_shutdown(struct net_device *dev)
+{
+       board_info_t *db = netdev_priv(dev);
+
+       /* RESET device */
+       dm9000_phy_write(dev, 0, MII_BMCR, BMCR_RESET); /* PHY RESET */
+       iow(db, DM9000_GPR, 0x01);      /* Power-Down PHY */
+       iow(db, DM9000_IMR, IMR_PAR);   /* Disable all interrupt */
+       iow(db, DM9000_RCR, 0x00);      /* Disable RX */
+}
+
+/*
+ * Stop the interface.
+ * The interface is stopped when it is brought.
+ */
+static int
+dm9000_stop(struct net_device *ndev)
+{
+       board_info_t *db = netdev_priv(ndev);
+
+       if (netif_msg_ifdown(db))
+               dev_dbg(db->dev, "shutting down %s\n", ndev->name);
+
+       cancel_delayed_work_sync(&db->phy_poll);
+
+       netif_stop_queue(ndev);
+       netif_carrier_off(ndev);
+
+       /* free interrupt */
+       free_irq(ndev->irq, ndev);
+
+       dm9000_shutdown(ndev);
+
+       return 0;
+}
+
+static const struct net_device_ops dm9000_netdev_ops = {
+       .ndo_open               = dm9000_open,
+       .ndo_stop               = dm9000_stop,
+       .ndo_start_xmit         = dm9000_start_xmit,
+       .ndo_tx_timeout         = dm9000_timeout,
+       .ndo_set_multicast_list = dm9000_hash_table,
+       .ndo_do_ioctl           = dm9000_ioctl,
+       .ndo_change_mtu         = eth_change_mtu,
+       .ndo_set_features       = dm9000_set_features,
+       .ndo_validate_addr      = eth_validate_addr,
+       .ndo_set_mac_address    = eth_mac_addr,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+       .ndo_poll_controller    = dm9000_poll_controller,
+#endif
+};
+
+/*
+ * Search DM9000 board, allocate space and register it
+ */
+static int __devinit
+dm9000_probe(struct platform_device *pdev)
+{
+       struct dm9000_plat_data *pdata = pdev->dev.platform_data;
+       struct board_info *db;  /* Point a board information structure */
+       struct net_device *ndev;
+       const unsigned char *mac_src;
+       int ret = 0;
+       int iosize;
+       int i;
+       u32 id_val;
+
+       /* Init network device */
+       ndev = alloc_etherdev(sizeof(struct board_info));
+       if (!ndev) {
+               dev_err(&pdev->dev, "could not allocate device.\n");
+               return -ENOMEM;
+       }
+
+       SET_NETDEV_DEV(ndev, &pdev->dev);
+
+       dev_dbg(&pdev->dev, "dm9000_probe()\n");
+
+       /* setup board info structure */
+       db = netdev_priv(ndev);
+
+       db->dev = &pdev->dev;
+       db->ndev = ndev;
+
+       spin_lock_init(&db->lock);
+       mutex_init(&db->addr_lock);
+
+       INIT_DELAYED_WORK(&db->phy_poll, dm9000_poll_work);
+
+       db->addr_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+       db->data_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+       db->irq_res  = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+
+       if (db->addr_res == NULL || db->data_res == NULL ||
+           db->irq_res == NULL) {
+               dev_err(db->dev, "insufficient resources\n");
+               ret = -ENOENT;
+               goto out;
+       }
+
+       db->irq_wake = platform_get_irq(pdev, 1);
+       if (db->irq_wake >= 0) {
+               dev_dbg(db->dev, "wakeup irq %d\n", db->irq_wake);
+
+               ret = request_irq(db->irq_wake, dm9000_wol_interrupt,
+                                 IRQF_SHARED, dev_name(db->dev), ndev);
+               if (ret) {
+                       dev_err(db->dev, "cannot get wakeup irq (%d)\n", ret);
+               } else {
+
+                       /* test to see if irq is really wakeup capable */
+                       ret = irq_set_irq_wake(db->irq_wake, 1);
+                       if (ret) {
+                               dev_err(db->dev, "irq %d cannot set wakeup (%d)\n",
+                                       db->irq_wake, ret);
+                               ret = 0;
+                       } else {
+                               irq_set_irq_wake(db->irq_wake, 0);
+                               db->wake_supported = 1;
+                       }
+               }
+       }
+
+       iosize = resource_size(db->addr_res);
+       db->addr_req = request_mem_region(db->addr_res->start, iosize,
+                                         pdev->name);
+
+       if (db->addr_req == NULL) {
+               dev_err(db->dev, "cannot claim address reg area\n");
+               ret = -EIO;
+               goto out;
+       }
+
+       db->io_addr = ioremap(db->addr_res->start, iosize);
+
+       if (db->io_addr == NULL) {
+               dev_err(db->dev, "failed to ioremap address reg\n");
+               ret = -EINVAL;
+               goto out;
+       }
+
+       iosize = resource_size(db->data_res);
+       db->data_req = request_mem_region(db->data_res->start, iosize,
+                                         pdev->name);
+
+       if (db->data_req == NULL) {
+               dev_err(db->dev, "cannot claim data reg area\n");
+               ret = -EIO;
+               goto out;
+       }
+
+       db->io_data = ioremap(db->data_res->start, iosize);
+
+       if (db->io_data == NULL) {
+               dev_err(db->dev, "failed to ioremap data reg\n");
+               ret = -EINVAL;
+               goto out;
+       }
+
+       /* fill in parameters for net-dev structure */
+       ndev->base_addr = (unsigned long)db->io_addr;
+       ndev->irq       = db->irq_res->start;
+
+       /* ensure at least we have a default set of IO routines */
+       dm9000_set_io(db, iosize);
+
+       /* check to see if anything is being over-ridden */
+       if (pdata != NULL) {
+               /* check to see if the driver wants to over-ride the
+                * default IO width */
+
+               if (pdata->flags & DM9000_PLATF_8BITONLY)
+                       dm9000_set_io(db, 1);
+
+               if (pdata->flags & DM9000_PLATF_16BITONLY)
+                       dm9000_set_io(db, 2);
+
+               if (pdata->flags & DM9000_PLATF_32BITONLY)
+                       dm9000_set_io(db, 4);
+
+               /* check to see if there are any IO routine
+                * over-rides */
+
+               if (pdata->inblk != NULL)
+                       db->inblk = pdata->inblk;
+
+               if (pdata->outblk != NULL)
+                       db->outblk = pdata->outblk;
+
+               if (pdata->dumpblk != NULL)
+                       db->dumpblk = pdata->dumpblk;
+
+               db->flags = pdata->flags;
+       }
+
+#ifdef CONFIG_DM9000_FORCE_SIMPLE_PHY_POLL
+       db->flags |= DM9000_PLATF_SIMPLE_PHY;
+#endif
+
+       dm9000_reset(db);
+
+       /* try multiple times, DM9000 sometimes gets the read wrong */
+       for (i = 0; i < 8; i++) {
+               id_val  = ior(db, DM9000_VIDL);
+               id_val |= (u32)ior(db, DM9000_VIDH) << 8;
+               id_val |= (u32)ior(db, DM9000_PIDL) << 16;
+               id_val |= (u32)ior(db, DM9000_PIDH) << 24;
+
+               if (id_val == DM9000_ID)
+                       break;
+               dev_err(db->dev, "read wrong id 0x%08x\n", id_val);
+       }
+
+       if (id_val != DM9000_ID) {
+               dev_err(db->dev, "wrong id: 0x%08x\n", id_val);
+               ret = -ENODEV;
+               goto out;
+       }
+
+       /* Identify what type of DM9000 we are working on */
+
+       id_val = ior(db, DM9000_CHIPR);
+       dev_dbg(db->dev, "dm9000 revision 0x%02x\n", id_val);
+
+       switch (id_val) {
+       case CHIPR_DM9000A:
+               db->type = TYPE_DM9000A;
+               break;
+       case CHIPR_DM9000B:
+               db->type = TYPE_DM9000B;
+               break;
+       default:
+               dev_dbg(db->dev, "ID %02x => defaulting to DM9000E\n", id_val);
+               db->type = TYPE_DM9000E;
+       }
+
+       /* dm9000a/b are capable of hardware checksum offload */
+       if (db->type == TYPE_DM9000A || db->type == TYPE_DM9000B) {
+               ndev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM;
+               ndev->features |= ndev->hw_features;
+       }
+
+       /* from this point we assume that we have found a DM9000 */
+
+       /* driver system function */
+       ether_setup(ndev);
+
+       ndev->netdev_ops        = &dm9000_netdev_ops;
+       ndev->watchdog_timeo    = msecs_to_jiffies(watchdog);
+       ndev->ethtool_ops       = &dm9000_ethtool_ops;
+
+       db->msg_enable       = NETIF_MSG_LINK;
+       db->mii.phy_id_mask  = 0x1f;
+       db->mii.reg_num_mask = 0x1f;
+       db->mii.force_media  = 0;
+       db->mii.full_duplex  = 0;
+       db->mii.dev          = ndev;
+       db->mii.mdio_read    = dm9000_phy_read;
+       db->mii.mdio_write   = dm9000_phy_write;
+
+       mac_src = "eeprom";
+
+       /* try reading the node address from the attached EEPROM */
+       for (i = 0; i < 6; i += 2)
+               dm9000_read_eeprom(db, i / 2, ndev->dev_addr+i);
+
+       if (!is_valid_ether_addr(ndev->dev_addr) && pdata != NULL) {
+               mac_src = "platform data";
+               memcpy(ndev->dev_addr, pdata->dev_addr, 6);
+       }
+
+       if (!is_valid_ether_addr(ndev->dev_addr)) {
+               /* try reading from mac */
+               
+               mac_src = "chip";
+               for (i = 0; i < 6; i++)
+                       ndev->dev_addr[i] = ior(db, i+DM9000_PAR);
+       }
+
+       if (!is_valid_ether_addr(ndev->dev_addr)) {
+               dev_warn(db->dev, "%s: Invalid ethernet MAC address. Please "
+                        "set using ifconfig\n", ndev->name);
+
+               random_ether_addr(ndev->dev_addr);
+               mac_src = "random";
+       }
+
+
+       platform_set_drvdata(pdev, ndev);
+       ret = register_netdev(ndev);
+
+       if (ret == 0)
+               printk(KERN_INFO "%s: dm9000%c at %p,%p IRQ %d MAC: %pM (%s)\n",
+                      ndev->name, dm9000_type_to_char(db->type),
+                      db->io_addr, db->io_data, ndev->irq,
+                      ndev->dev_addr, mac_src);
+       return 0;
+
+out:
+       dev_err(db->dev, "not found (%d).\n", ret);
+
+       dm9000_release_board(pdev, db);
+       free_netdev(ndev);
+
+       return ret;
+}
+
+static int
+dm9000_drv_suspend(struct device *dev)
+{
+       struct platform_device *pdev = to_platform_device(dev);
+       struct net_device *ndev = platform_get_drvdata(pdev);
+       board_info_t *db;
+
+       if (ndev) {
+               db = netdev_priv(ndev);
+               db->in_suspend = 1;
+
+               if (!netif_running(ndev))
+                       return 0;
+
+               netif_device_detach(ndev);
+
+               /* only shutdown if not using WoL */
+               if (!db->wake_state)
+                       dm9000_shutdown(ndev);
+       }
+       return 0;
+}
+
+static int
+dm9000_drv_resume(struct device *dev)
+{
+       struct platform_device *pdev = to_platform_device(dev);
+       struct net_device *ndev = platform_get_drvdata(pdev);
+       board_info_t *db = netdev_priv(ndev);
+
+       if (ndev) {
+               if (netif_running(ndev)) {
+                       /* reset if we were not in wake mode to ensure if
+                        * the device was powered off it is in a known state */
+                       if (!db->wake_state) {
+                               dm9000_reset(db);
+                               dm9000_init_dm9000(ndev);
+                       }
+
+                       netif_device_attach(ndev);
+               }
+
+               db->in_suspend = 0;
+       }
+       return 0;
+}
+
+static const struct dev_pm_ops dm9000_drv_pm_ops = {
+       .suspend        = dm9000_drv_suspend,
+       .resume         = dm9000_drv_resume,
+};
+
+static int __devexit
+dm9000_drv_remove(struct platform_device *pdev)
+{
+       struct net_device *ndev = platform_get_drvdata(pdev);
+
+       platform_set_drvdata(pdev, NULL);
+
+       unregister_netdev(ndev);
+       dm9000_release_board(pdev, netdev_priv(ndev));
+       free_netdev(ndev);              /* free device structure */
+
+       dev_dbg(&pdev->dev, "released and freed device\n");
+       return 0;
+}
+
+static struct platform_driver dm9000_driver = {
+       .driver = {
+               .name    = "dm9000",
+               .owner   = THIS_MODULE,
+               .pm      = &dm9000_drv_pm_ops,
+       },
+       .probe   = dm9000_probe,
+       .remove  = __devexit_p(dm9000_drv_remove),
+};
+
+static int __init
+dm9000_init(void)
+{
+       printk(KERN_INFO "%s Ethernet Driver, V%s\n", CARDNAME, DRV_VERSION);
+
+       return platform_driver_register(&dm9000_driver);
+}
+
+static void __exit
+dm9000_cleanup(void)
+{
+       platform_driver_unregister(&dm9000_driver);
+}
+
+module_init(dm9000_init);
+module_exit(dm9000_cleanup);
+
+MODULE_AUTHOR("Sascha Hauer, Ben Dooks");
+MODULE_DESCRIPTION("Davicom DM9000 network driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:dm9000");
diff --git a/drivers/net/ethernet/davicom/dm9000.h b/drivers/net/ethernet/davicom/dm9000.h
new file mode 100644 (file)
index 0000000..55688bd
--- /dev/null
@@ -0,0 +1,171 @@
+/*
+ * dm9000 Ethernet
+ */
+
+#ifndef _DM9000X_H_
+#define _DM9000X_H_
+
+#define DM9000_ID              0x90000A46
+
+/* although the registers are 16 bit, they are 32-bit aligned.
+ */
+
+#define DM9000_NCR             0x00
+#define DM9000_NSR             0x01
+#define DM9000_TCR             0x02
+#define DM9000_TSR1            0x03
+#define DM9000_TSR2            0x04
+#define DM9000_RCR             0x05
+#define DM9000_RSR             0x06
+#define DM9000_ROCR            0x07
+#define DM9000_BPTR            0x08
+#define DM9000_FCTR            0x09
+#define DM9000_FCR             0x0A
+#define DM9000_EPCR            0x0B
+#define DM9000_EPAR            0x0C
+#define DM9000_EPDRL           0x0D
+#define DM9000_EPDRH           0x0E
+#define DM9000_WCR             0x0F
+
+#define DM9000_PAR             0x10
+#define DM9000_MAR             0x16
+
+#define DM9000_GPCR           0x1e
+#define DM9000_GPR             0x1f
+#define DM9000_TRPAL           0x22
+#define DM9000_TRPAH           0x23
+#define DM9000_RWPAL           0x24
+#define DM9000_RWPAH           0x25
+
+#define DM9000_VIDL            0x28
+#define DM9000_VIDH            0x29
+#define DM9000_PIDL            0x2A
+#define DM9000_PIDH            0x2B
+
+#define DM9000_CHIPR           0x2C
+#define DM9000_SMCR            0x2F
+
+#define DM9000_ETXCSR          0x30
+#define DM9000_TCCR           0x31
+#define DM9000_RCSR           0x32
+
+#define CHIPR_DM9000A         0x19
+#define CHIPR_DM9000B         0x1A
+
+#define DM9000_MRCMDX          0xF0
+#define DM9000_MRCMD           0xF2
+#define DM9000_MRRL            0xF4
+#define DM9000_MRRH            0xF5
+#define DM9000_MWCMDX          0xF6
+#define DM9000_MWCMD           0xF8
+#define DM9000_MWRL            0xFA
+#define DM9000_MWRH            0xFB
+#define DM9000_TXPLL           0xFC
+#define DM9000_TXPLH           0xFD
+#define DM9000_ISR             0xFE
+#define DM9000_IMR             0xFF
+
+#define NCR_EXT_PHY         (1<<7)
+#define NCR_WAKEEN          (1<<6)
+#define NCR_FCOL            (1<<4)
+#define NCR_FDX             (1<<3)
+#define NCR_LBK             (3<<1)
+#define NCR_RST                    (1<<0)
+
+#define NSR_SPEED           (1<<7)
+#define NSR_LINKST          (1<<6)
+#define NSR_WAKEST          (1<<5)
+#define NSR_TX2END          (1<<3)
+#define NSR_TX1END          (1<<2)
+#define NSR_RXOV            (1<<1)
+
+#define TCR_TJDIS           (1<<6)
+#define TCR_EXCECM          (1<<5)
+#define TCR_PAD_DIS2        (1<<4)
+#define TCR_CRC_DIS2        (1<<3)
+#define TCR_PAD_DIS1        (1<<2)
+#define TCR_CRC_DIS1        (1<<1)
+#define TCR_TXREQ           (1<<0)
+
+#define TSR_TJTO            (1<<7)
+#define TSR_LC              (1<<6)
+#define TSR_NC              (1<<5)
+#define TSR_LCOL            (1<<4)
+#define TSR_COL             (1<<3)
+#define TSR_EC              (1<<2)
+
+#define RCR_WTDIS           (1<<6)
+#define RCR_DIS_LONG        (1<<5)
+#define RCR_DIS_CRC         (1<<4)
+#define RCR_ALL                    (1<<3)
+#define RCR_RUNT            (1<<2)
+#define RCR_PRMSC           (1<<1)
+#define RCR_RXEN            (1<<0)
+
+#define RSR_RF              (1<<7)
+#define RSR_MF              (1<<6)
+#define RSR_LCS             (1<<5)
+#define RSR_RWTO            (1<<4)
+#define RSR_PLE             (1<<3)
+#define RSR_AE              (1<<2)
+#define RSR_CE              (1<<1)
+#define RSR_FOE             (1<<0)
+
+#define WCR_LINKEN             (1 << 5)
+#define WCR_SAMPLEEN           (1 << 4)
+#define WCR_MAGICEN            (1 << 3)
+#define WCR_LINKST             (1 << 2)
+#define WCR_SAMPLEST           (1 << 1)
+#define WCR_MAGICST            (1 << 0)
+
+#define FCTR_HWOT(ot)  (( ot & 0xf ) << 4 )
+#define FCTR_LWOT(ot)  ( ot & 0xf )
+
+#define IMR_PAR             (1<<7)
+#define IMR_ROOM            (1<<3)
+#define IMR_ROM             (1<<2)
+#define IMR_PTM             (1<<1)
+#define IMR_PRM             (1<<0)
+
+#define ISR_ROOS            (1<<3)
+#define ISR_ROS             (1<<2)
+#define ISR_PTS             (1<<1)
+#define ISR_PRS             (1<<0)
+#define ISR_CLR_STATUS      (ISR_ROOS | ISR_ROS | ISR_PTS | ISR_PRS)
+
+#define EPCR_REEP           (1<<5)
+#define EPCR_WEP            (1<<4)
+#define EPCR_EPOS           (1<<3)
+#define EPCR_ERPRR          (1<<2)
+#define EPCR_ERPRW          (1<<1)
+#define EPCR_ERRE           (1<<0)
+
+#define GPCR_GEP_CNTL       (1<<0)
+
+#define TCCR_IP                    (1<<0)
+#define TCCR_TCP           (1<<1)
+#define TCCR_UDP           (1<<2)
+
+#define RCSR_UDP_BAD       (1<<7)
+#define RCSR_TCP_BAD       (1<<6)
+#define RCSR_IP_BAD        (1<<5)
+#define RCSR_UDP           (1<<4)
+#define RCSR_TCP           (1<<3)
+#define RCSR_IP                    (1<<2)
+#define RCSR_CSUM          (1<<1)
+#define RCSR_DISCARD       (1<<0)
+
+#define DM9000_PKT_RDY         0x01    /* Packet ready to receive */
+#define DM9000_PKT_ERR         0x02
+#define DM9000_PKT_MAX         1536    /* Received packet max size */
+
+/* DM9000A / DM9000B definitions */
+
+#define IMR_LNKCHNG            (1<<5)
+#define IMR_UNDERRUN           (1<<4)
+
+#define ISR_LNKCHNG            (1<<5)
+#define ISR_UNDERRUN           (1<<4)
+
+#endif /* _DM9000X_H_ */
+