diff options
Diffstat (limited to 'drivers/net/fs_enet/fs_enet-main.c')
| -rw-r--r-- | drivers/net/fs_enet/fs_enet-main.c | 258 |
1 files changed, 241 insertions, 17 deletions
diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c index 7a0298687875..fc4fda805d44 100644 --- a/drivers/net/fs_enet/fs_enet-main.c +++ b/drivers/net/fs_enet/fs_enet-main.c @@ -42,12 +42,18 @@ #include <asm/irq.h> #include <asm/uaccess.h> +#ifdef CONFIG_PPC_CPM_NEW_BINDING +#include <asm/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"); @@ -948,6 +954,7 @@ 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) { @@ -1129,6 +1136,7 @@ static int fs_cleanup_instance(struct net_device *ndev) return 0; } +#endif /**************************************************************************************/ @@ -1137,35 +1145,250 @@ void *fs_enet_immap = NULL; static int setup_immap(void) { - phys_addr_t paddr = 0; - unsigned long size = 0; - #ifdef CONFIG_CPM1 - paddr = IMAP_ADDR; - size = 0x10000; /* map 64K */ -#endif - -#ifdef CONFIG_CPM2 - paddr = CPM_MAP_ADDR; - size = 0x40000; /* map 256 K */ + fs_enet_immap = ioremap(IMAP_ADDR, 0x4000); + WARN_ON(!fs_enet_immap); +#elif defined(CONFIG_CPM2) + fs_enet_immap = cpm2_immr; #endif - fs_enet_immap = ioremap(paddr, size); - if (fs_enet_immap == NULL) - return -EBADF; /* XXX ahem; maybe just BUG_ON? */ return 0; } static void cleanup_immap(void) { - if (fs_enet_immap != NULL) { - iounmap(fs_enet_immap); - fs_enet_immap = NULL; - } +#if defined(CONFIG_CPM1) + iounmap(fs_enet_immap); +#endif } /**************************************************************************************/ +#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; + + const u32 *data = of_get_property(np, "phy-handle", &len); + if (!data || len != 4) + return -EINVAL; + + phynode = of_find_node_by_phandle(*data); + if (!phynode) + return -EINVAL; + + mdionode = of_get_parent(phynode); + if (!mdionode) + goto out_put_phy; + + ret = of_address_to_resource(mdionode, 0, &res); + if (ret) + goto out_put_mdio; + + data = of_get_property(phynode, "reg", &len); + if (!data || len != 4) + goto out_put_mdio; + + snprintf(fpi->bus_id, 16, PHY_ID_FMT, res.start, *data); + +out_put_mdio: + of_node_put(mdionode); +out_put_phy: + of_node_put(phynode); + return ret; +} + +#ifdef CONFIG_FS_ENET_HAS_FEC +#define IS_FEC(match) ((match)->data == &fs_fec_ops) +#else +#define IS_FEC(match) 0 +#endif + +static int __devinit fs_enet_probe(struct of_device *ofdev, + const struct of_device_id *match) +{ + struct net_device *ndev; + struct fs_enet_private *fep; + struct fs_platform_info *fpi; + const u32 *data; + const u8 *mac_addr; + int privsize, len, ret = -ENODEV; + + fpi = kzalloc(sizeof(*fpi), GFP_KERNEL); + if (!fpi) + return -ENOMEM; + + if (!IS_FEC(match)) { + data = of_get_property(ofdev->node, "fsl,cpm-command", &len); + if (!data || len != 4) + goto out_free_fpi; + + fpi->cp_command = *data; + } + + fpi->rx_ring = 32; + fpi->tx_ring = 32; + fpi->rx_copybreak = 240; + fpi->use_napi = 0; + fpi->napi_weight = 17; + + ret = find_phy(ofdev->node, fpi); + if (ret) + goto out_free_fpi; + + privsize = sizeof(*fep) + + sizeof(struct sk_buff **) * + (fpi->rx_ring + fpi->tx_ring); + + ndev = alloc_etherdev(privsize); + if (!ndev) { + ret = -ENOMEM; + goto out_free_fpi; + } + + SET_MODULE_OWNER(ndev); + dev_set_drvdata(&ofdev->dev, ndev); + + fep = netdev_priv(ndev); + fep->dev = &ofdev->dev; + fep->fpi = fpi; + fep->ops = match->data; + + ret = fep->ops->setup_data(ndev); + if (ret) + goto out_free_dev; + + fep->rx_skbuff = (struct sk_buff **)&fep[1]; + fep->tx_skbuff = fep->rx_skbuff + fpi->rx_ring; + + spin_lock_init(&fep->lock); + spin_lock_init(&fep->tx_lock); + + mac_addr = of_get_mac_address(ofdev->node); + if (mac_addr) + memcpy(ndev->dev_addr, mac_addr, 6); + + ret = fep->ops->allocate_bd(ndev); + if (ret) + goto out_cleanup_data; + + fep->rx_bd_base = fep->ring_base; + fep->tx_bd_base = fep->rx_bd_base + fpi->rx_ring; + + fep->tx_ring = fpi->tx_ring; + fep->rx_ring = fpi->rx_ring; + + 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); + + ret = register_netdev(ndev); + if (ret) + goto out_free_bd; + + printk(KERN_INFO "%s: fs_enet: %02x:%02x:%02x:%02x:%02x:%02x\n", + ndev->name, + ndev->dev_addr[0], ndev->dev_addr[1], ndev->dev_addr[2], + ndev->dev_addr[3], ndev->dev_addr[4], ndev->dev_addr[5]); + + return 0; + +out_free_bd: + fep->ops->free_bd(ndev); +out_cleanup_data: + fep->ops->cleanup_data(ndev); +out_free_dev: + free_netdev(ndev); + dev_set_drvdata(&ofdev->dev, NULL); +out_free_fpi: + kfree(fpi); + return ret; +} + +static int fs_enet_remove(struct of_device *ofdev) +{ + struct net_device *ndev = dev_get_drvdata(&ofdev->dev); + struct fs_enet_private *fep = netdev_priv(ndev); + + unregister_netdev(ndev); + + fep->ops->free_bd(ndev); + fep->ops->cleanup_data(ndev); + dev_set_drvdata(fep->dev, NULL); + + free_netdev(ndev); + return 0; +} + +static struct of_device_id fs_enet_match[] = { +#ifdef CONFIG_FS_ENET_HAS_SCC + { + .compatible = "fsl,cpm1-scc-enet", + .data = (void *)&fs_scc_ops, + }, +#endif +#ifdef CONFIG_FS_ENET_HAS_FCC + { + .compatible = "fsl,cpm2-fcc-enet", + .data = (void *)&fs_fcc_ops, + }, +#endif +#ifdef CONFIG_FS_ENET_HAS_FEC + { + .compatible = "fsl,pq1-fec-enet", + .data = (void *)&fs_fec_ops, + }, +#endif + {} +}; + +static struct of_platform_driver fs_enet_driver = { + .name = "fs_enet", + .match_table = fs_enet_match, + .probe = fs_enet_probe, + .remove = fs_enet_remove, +}; + +static int __init fs_init(void) +{ + int r = setup_immap(); + if (r != 0) + return r; + + r = of_register_platform_driver(&fs_enet_driver); + if (r != 0) + goto out; + + return 0; + +out: + cleanup_immap(); + return r; +} + +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; @@ -1279,6 +1502,7 @@ static void __exit fs_cleanup(void) driver_unregister(&fs_enet_scc_driver); cleanup_immap(); } +#endif #ifdef CONFIG_NET_POLL_CONTROLLER static void fs_enet_netpoll(struct net_device *dev) |
