diff options
Diffstat (limited to 'drivers/net/fs_enet/fs_enet-main.c')
| -rw-r--r-- | drivers/net/fs_enet/fs_enet-main.c | 356 |
1 files changed, 31 insertions, 325 deletions
diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c index 352574a3f05..9d461825bf4 100644 --- a/drivers/net/fs_enet/fs_enet-main.c +++ b/drivers/net/fs_enet/fs_enet-main.c @@ -36,25 +36,18 @@ #include <linux/fs.h> #include <linux/platform_device.h> #include <linux/phy.h> +#include <linux/of_platform.h> +#include <linux/of_gpio.h> #include <linux/vmalloc.h> #include <asm/pgtable.h> #include <asm/irq.h> #include <asm/uaccess.h> -#ifdef CONFIG_PPC_CPM_NEW_BINDING -#include <linux/of_platform.h> -#endif - #include "fs_enet.h" /*************************************************/ -#ifndef CONFIG_PPC_CPM_NEW_BINDING -static char version[] __devinitdata = - DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")" "\n"; -#endif - MODULE_AUTHOR("Pantelis Antoniou <panto@intracom.gr>"); MODULE_DESCRIPTION("Freescale Ethernet Driver"); MODULE_LICENSE("GPL"); @@ -737,9 +730,6 @@ static void generic_adjust_link(struct net_device *dev) if (!fep->oldlink) { new_state = 1; fep->oldlink = 1; - netif_schedule(dev); - netif_carrier_on(dev); - netif_start_queue(dev); } if (new_state) @@ -749,8 +739,6 @@ static void generic_adjust_link(struct net_device *dev) fep->oldlink = 0; fep->oldspeed = 0; fep->oldduplex = -1; - netif_carrier_off(dev); - netif_stop_queue(dev); } if (new_state && netif_msg_link(fep)) @@ -804,6 +792,10 @@ static int fs_enet_open(struct net_device *dev) int r; int err; + /* to initialize the fep->cur_rx,... */ + /* not doing this, will cause a crash in fs_enet_rx_napi */ + fs_init_bds(fep->ndev); + if (fep->fpi->use_napi) napi_enable(&fep->napi); @@ -825,6 +817,8 @@ static int fs_enet_open(struct net_device *dev) } phy_start(fep->phydev); + netif_start_queue(dev); + return 0; } @@ -957,190 +951,6 @@ static int fs_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) extern int fs_mii_connect(struct net_device *dev); extern void fs_mii_disconnect(struct net_device *dev); -#ifndef CONFIG_PPC_CPM_NEW_BINDING -static struct net_device *fs_init_instance(struct device *dev, - struct fs_platform_info *fpi) -{ - struct net_device *ndev = NULL; - struct fs_enet_private *fep = NULL; - int privsize, i, r, err = 0, registered = 0; - - fpi->fs_no = fs_get_id(fpi); - /* 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; - } - - fep = netdev_priv(ndev); - - fep->dev = dev; - dev_set_drvdata(dev, ndev); - fep->fpi = fpi; - if (fpi->init_ioports) - fpi->init_ioports((struct fs_platform_info *)fpi); - -#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; - -#ifdef CONFIG_NET_POLL_CONTROLLER - ndev->poll_controller = fs_enet_netpoll; -#endif - - netif_napi_add(ndev, &fep->napi, - fs_enet_rx_napi, 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 && fep->ops) { - (*fep->ops->free_bd)(ndev); - (*fep->ops->cleanup_data)(ndev); - } - - free_netdev(ndev); - } - - dev_set_drvdata(dev, NULL); - - return ERR_PTR(err); -} - -static int fs_cleanup_instance(struct net_device *ndev) -{ - struct fs_enet_private *fep; - const struct fs_platform_info *fpi; - struct device *dev; - - if (ndev == NULL) - return -EINVAL; - - fep = netdev_priv(ndev); - if (fep == NULL) - return -EINVAL; - - fpi = fep->fpi; - - unregister_netdev(ndev); - - dma_free_coherent(fep->dev, (fpi->tx_ring + fpi->rx_ring) * sizeof(cbd_t), - (void __force *)fep->ring_base, fep->ring_mem_addr); - - /* reset it */ - (*fep->ops->cleanup_data)(ndev); - - dev = fep->dev; - if (dev != NULL) { - dev_set_drvdata(dev, NULL); - fep->dev = NULL; - } - - free_netdev(ndev); - - return 0; -} -#endif - /**************************************************************************************/ /* handy pointer to the immap */ @@ -1167,13 +977,11 @@ static void cleanup_immap(void) /**************************************************************************************/ -#ifdef CONFIG_PPC_CPM_NEW_BINDING static int __devinit find_phy(struct device_node *np, struct fs_platform_info *fpi) { struct device_node *phynode, *mdionode; - struct resource res; - int ret = 0, len; + int ret = 0, len, bus_id; const u32 *data; data = of_get_property(np, "fixed-link", NULL); @@ -1190,19 +998,28 @@ static int __devinit find_phy(struct device_node *np, if (!phynode) return -EINVAL; - mdionode = of_get_parent(phynode); - if (!mdionode) + data = of_get_property(phynode, "reg", &len); + if (!data || len != 4) { + ret = -EINVAL; goto out_put_phy; + } - ret = of_address_to_resource(mdionode, 0, &res); - if (ret) - goto out_put_mdio; + mdionode = of_get_parent(phynode); + if (!mdionode) { + ret = -EINVAL; + goto out_put_phy; + } - data = of_get_property(phynode, "reg", &len); - if (!data || len != 4) - goto out_put_mdio; + bus_id = of_get_gpio(mdionode, 0); + if (bus_id < 0) { + struct resource res; + ret = of_address_to_resource(mdionode, 0, &res); + if (ret) + goto out_put_mdio; + bus_id = res.start; + } - snprintf(fpi->bus_id, 16, "%x:%02x", res.start, *data); + snprintf(fpi->bus_id, 16, "%x:%02x", bus_id, *data); out_put_mdio: of_node_put(mdionode); @@ -1354,6 +1171,10 @@ static struct of_device_id fs_enet_match[] = { .compatible = "fsl,cpm1-scc-enet", .data = (void *)&fs_scc_ops, }, + { + .compatible = "fsl,cpm2-scc-enet", + .data = (void *)&fs_scc_ops, + }, #endif #ifdef CONFIG_FS_ENET_HAS_FCC { @@ -1399,121 +1220,6 @@ static void __exit fs_cleanup(void) of_unregister_platform_driver(&fs_enet_driver); cleanup_immap(); } -#else -static int __devinit fs_enet_probe(struct device *dev) -{ - struct net_device *ndev; - - /* no fixup - no device */ - if (dev->platform_data == NULL) { - printk(KERN_INFO "fs_enet: " - "probe called with no platform data; " - "remove unused devices\n"); - return -ENODEV; - } - - ndev = fs_init_instance(dev, dev->platform_data); - if (IS_ERR(ndev)) - return PTR_ERR(ndev); - return 0; -} - -static int fs_enet_remove(struct device *dev) -{ - return fs_cleanup_instance(dev_get_drvdata(dev)); -} - -static struct device_driver fs_enet_fec_driver = { - .name = "fsl-cpm-fec", - .bus = &platform_bus_type, - .probe = fs_enet_probe, - .remove = fs_enet_remove, -#ifdef CONFIG_PM -/* .suspend = fs_enet_suspend, TODO */ -/* .resume = fs_enet_resume, TODO */ -#endif -}; - -static struct device_driver fs_enet_scc_driver = { - .name = "fsl-cpm-scc", - .bus = &platform_bus_type, - .probe = fs_enet_probe, - .remove = fs_enet_remove, -#ifdef CONFIG_PM -/* .suspend = fs_enet_suspend, TODO */ -/* .resume = fs_enet_resume, TODO */ -#endif -}; - -static struct device_driver fs_enet_fcc_driver = { - .name = "fsl-cpm-fcc", - .bus = &platform_bus_type, - .probe = fs_enet_probe, - .remove = fs_enet_remove, -#ifdef CONFIG_PM -/* .suspend = fs_enet_suspend, TODO */ -/* .resume = fs_enet_resume, TODO */ -#endif -}; - -static int __init fs_init(void) -{ - int r; - - printk(KERN_INFO - "%s", version); - - r = setup_immap(); - if (r != 0) - return r; - -#ifdef CONFIG_FS_ENET_HAS_FCC - /* let's insert mii stuff */ - r = fs_enet_mdio_bb_init(); - - if (r != 0) { - printk(KERN_ERR DRV_MODULE_NAME - "BB PHY init failed.\n"); - return r; - } - r = driver_register(&fs_enet_fcc_driver); - if (r != 0) - goto err; -#endif - -#ifdef CONFIG_FS_ENET_HAS_FEC - r = fs_enet_mdio_fec_init(); - if (r != 0) { - printk(KERN_ERR DRV_MODULE_NAME - "FEC PHY init failed.\n"); - return r; - } - - r = driver_register(&fs_enet_fec_driver); - if (r != 0) - goto err; -#endif - -#ifdef CONFIG_FS_ENET_HAS_SCC - r = driver_register(&fs_enet_scc_driver); - if (r != 0) - goto err; -#endif - - return 0; -err: - cleanup_immap(); - return r; -} - -static void __exit fs_cleanup(void) -{ - driver_unregister(&fs_enet_fec_driver); - driver_unregister(&fs_enet_fcc_driver); - driver_unregister(&fs_enet_scc_driver); - cleanup_immap(); -} -#endif #ifdef CONFIG_NET_POLL_CONTROLLER static void fs_enet_netpoll(struct net_device *dev) |