void init_scc_ioports(struct fs_platform_info *fpi)
{
int scc_no = fs_get_scc_index(fpi->fs_no);
switch (scc_no) {
case 2:
init_scc3_ioports(fpi);
break;
default:
printk(KERN_ERR "init_scc_ioports: invalid SCC number\n");
return;
}
}
void init_scc_ioports(struct fs_uart_platform_info *data)
{
int scc_no = fs_get_scc_index(data->fs_no);
switch (scc_no) {
case 0:
init_scc1_uart_ioports(data);
data->brg = data->clk_rx;
break;
case 3:
init_scc4_uart_ioports(data);
data->brg = data->clk_rx;
break;
default:
printk(KERN_ERR "init_scc_ioports: invalid SCC number\n");
return;
}
}
static struct net_device *fs_init_instance(struct device *dev,
const struct fs_platform_info *fpi)
{
struct net_device *ndev = NULL;
struct fs_enet_private *fep = NULL;
int privsize, i, r, err = 0, registered = 0;
/* guard */
if ((unsigned int)fpi->fs_no >= FS_MAX_INDEX)
return ERR_PTR(-EINVAL);
privsize = sizeof(*fep) + (sizeof(struct sk_buff **) *
(fpi->rx_ring + fpi->tx_ring));
ndev = alloc_etherdev(privsize);
if (!ndev) {
err = -ENOMEM;
goto err;
}
SET_MODULE_OWNER(ndev);
fep = netdev_priv(ndev);
memset(fep, 0, privsize); /* clear everything */
fep->dev = dev;
dev_set_drvdata(dev, ndev);
fep->fpi = fpi;
if (fpi->init_ioports)
fpi->init_ioports();
#ifdef CONFIG_FS_ENET_HAS_FEC
if (fs_get_fec_index(fpi->fs_no) >= 0)
fep->ops = &fs_fec_ops;
#endif
#ifdef CONFIG_FS_ENET_HAS_SCC
if (fs_get_scc_index(fpi->fs_no) >=0 )
fep->ops = &fs_scc_ops;
#endif
#ifdef CONFIG_FS_ENET_HAS_FCC
if (fs_get_fcc_index(fpi->fs_no) >= 0)
fep->ops = &fs_fcc_ops;
#endif
if (fep->ops == NULL) {
printk(KERN_ERR DRV_MODULE_NAME
": %s No matching ops found (%d).\n",
ndev->name, fpi->fs_no);
err = -EINVAL;
goto err;
}
r = (*fep->ops->setup_data)(ndev);
if (r != 0) {
printk(KERN_ERR DRV_MODULE_NAME
": %s setup_data failed\n",
ndev->name);
err = r;
goto err;
}
/* point rx_skbuff, tx_skbuff */
fep->rx_skbuff = (struct sk_buff **)&fep[1];
fep->tx_skbuff = fep->rx_skbuff + fpi->rx_ring;
/* init locks */
spin_lock_init(&fep->lock);
spin_lock_init(&fep->tx_lock);
/*
* Set the Ethernet address.
*/
for (i = 0; i < 6; i++)
ndev->dev_addr[i] = fpi->macaddr[i];
r = (*fep->ops->allocate_bd)(ndev);
if (fep->ring_base == NULL) {
printk(KERN_ERR DRV_MODULE_NAME
": %s buffer descriptor alloc failed (%d).\n", ndev->name, r);
err = r;
goto err;
}
/*
* Set receive and transmit descriptor base.
*/
fep->rx_bd_base = fep->ring_base;
fep->tx_bd_base = fep->rx_bd_base + fpi->rx_ring;
/* initialize ring size variables */
fep->tx_ring = fpi->tx_ring;
fep->rx_ring = fpi->rx_ring;
/*
* The FEC Ethernet specific entries in the device structure.
*/
ndev->open = fs_enet_open;
ndev->hard_start_xmit = fs_enet_start_xmit;
ndev->tx_timeout = fs_timeout;
ndev->watchdog_timeo = 2 * HZ;
ndev->stop = fs_enet_close;
ndev->get_stats = fs_enet_get_stats;
ndev->set_multicast_list = fs_set_multicast_list;
if (fpi->use_napi) {
ndev->poll = fs_enet_rx_napi;
ndev->weight = fpi->napi_weight;
}
ndev->ethtool_ops = &fs_ethtool_ops;
ndev->do_ioctl = fs_ioctl;
init_timer(&fep->phy_timer_list);
netif_carrier_off(ndev);
err = register_netdev(ndev);
if (err != 0) {
printk(KERN_ERR DRV_MODULE_NAME
": %s register_netdev failed.\n", ndev->name);
goto err;
}
registered = 1;
return ndev;
err:
if (ndev != NULL) {
if (registered)
unregister_netdev(ndev);
if (fep != NULL) {
(*fep->ops->free_bd)(ndev);
(*fep->ops->cleanup_data)(ndev);
}
free_netdev(ndev);
}
dev_set_drvdata(dev, NULL);
return ERR_PTR(err);
}
