static int au1000_mdiobus_reset(struct mii_bus *bus)
{
struct net_device *const dev = bus->priv;
enable_mac(dev, 0);
return 0;
}
static int au1000_mdiobus_reset(struct mii_bus *bus)
{
struct net_device *const dev = bus->priv;
enable_mac(dev, 0); /* make sure the MAC associated with this
* mii_bus is enabled */
return 0;
}
static int au1000_mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum)
{
struct net_device *const dev = bus->priv;
enable_mac(dev, 0);
return au1000_mdio_read(dev, phy_addr, regnum);
}
static int au1000_mdiobus_write(struct mii_bus *bus, int phy_addr, int regnum,
u16 value)
{
struct net_device *const dev = bus->priv;
enable_mac(dev, 0);
au1000_mdio_write(dev, phy_addr, regnum, value);
return 0;
}
static int au1000_mdiobus_write(struct mii_bus *bus, int phy_addr, int regnum,
u16 value)
{
struct net_device *const dev = bus->priv;
enable_mac(dev, 0); /* make sure the MAC associated with this
* mii_bus is enabled */
au1000_mdio_write(dev, phy_addr, regnum, value);
return 0;
}
static int au1000_mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum)
{
/* WARNING: bus->phy_map[phy_addr].attached_dev == dev does
* _NOT_ hold (e.g. when PHY is accessed through other MAC's MII bus) */
struct net_device *const dev = bus->priv;
enable_mac(dev, 0); /* make sure the MAC associated with this
* mii_bus is enabled */
return au1000_mdio_read(dev, phy_addr, regnum);
}
/*
* Initialize the interface.
*
* When the device powers up, the clocks are disabled and the
* mac is in reset state. When the interface is closed, we
* do the same -- reset the device and disable the clocks to
* conserve power. Thus, whenever au1000_init() is called,
* the device should already be in reset state.
*/
static int au1000_init(struct net_device *dev)
{
struct au1000_private *aup = netdev_priv(dev);
unsigned long flags;
int i;
u32 control;
if (au1000_debug > 4)
printk("%s: au1000_init\n", dev->name);
/* bring the device out of reset */
enable_mac(dev, 1);
spin_lock_irqsave(&aup->lock, flags);
aup->mac->control = 0;
aup->tx_head = (aup->tx_dma_ring[0]->buff_stat & 0xC) >> 2;
aup->tx_tail = aup->tx_head;
aup->rx_head = (aup->rx_dma_ring[0]->buff_stat & 0xC) >> 2;
aup->mac->mac_addr_high = dev->dev_addr[5]<<8 | dev->dev_addr[4];
aup->mac->mac_addr_low = dev->dev_addr[3]<<24 | dev->dev_addr[2]<<16 |
dev->dev_addr[1]<<8 | dev->dev_addr[0];
for (i = 0; i < NUM_RX_DMA; i++) {
aup->rx_dma_ring[i]->buff_stat |= RX_DMA_ENABLE;
}
au_sync();
control = MAC_RX_ENABLE | MAC_TX_ENABLE;
#ifndef CONFIG_CPU_LITTLE_ENDIAN
control |= MAC_BIG_ENDIAN;
#endif
if (aup->phy_dev) {
if (aup->phy_dev->link && (DUPLEX_FULL == aup->phy_dev->duplex))
control |= MAC_FULL_DUPLEX;
else
control |= MAC_DISABLE_RX_OWN;
} else { /* PHY-less op, assume full-duplex */
control |= MAC_FULL_DUPLEX;
}
aup->mac->control = control;
aup->mac->vlan1_tag = 0x8100; /* activate vlan support */
au_sync();
spin_unlock_irqrestore(&aup->lock, flags);
return 0;
}