diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/gianfar.c | 109 | ||||
| -rw-r--r-- | drivers/net/gianfar.h | 4 |
2 files changed, 39 insertions, 74 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index b2c4967..dae1437 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -75,6 +75,7 @@ #include <linux/if_vlan.h> #include <linux/spinlock.h> #include <linux/mm.h> +#include <linux/of_mdio.h> #include <linux/of_platform.h> #include <linux/ip.h> #include <linux/tcp.h> @@ -168,17 +169,13 @@ static inline int gfar_uses_fcb(struct gfar_private *priv) static int gfar_of_init(struct net_device *dev) { - struct device_node *phy, *mdio; - const unsigned int *id; const char *model; const char *ctype; const void *mac_addr; - const phandle *ph; u64 addr, size; int err = 0; struct gfar_private *priv = netdev_priv(dev); struct device_node *np = priv->node; - char bus_name[MII_BUS_ID_SIZE]; const u32 *stash; const u32 *stash_len; const u32 *stash_idx; @@ -264,8 +261,8 @@ static int gfar_of_init(struct net_device *dev) if (of_get_property(np, "fsl,magic-packet", NULL)) priv->device_flags |= FSL_GIANFAR_DEV_HAS_MAGIC_PACKET; - ph = of_get_property(np, "phy-handle", NULL); - if (ph == NULL) { + priv->phy_node = of_parse_phandle(np, "phy-handle", 0); + if (!priv->phy_node) { u32 *fixed_link; fixed_link = (u32 *)of_get_property(np, "fixed-link", NULL); @@ -273,57 +270,10 @@ static int gfar_of_init(struct net_device *dev) err = -ENODEV; goto err_out; } - - snprintf(priv->phy_bus_id, sizeof(priv->phy_bus_id), - PHY_ID_FMT, "0", fixed_link[0]); - } else { - phy = of_find_node_by_phandle(*ph); - - if (phy == NULL) { - err = -ENODEV; - goto err_out; - } - - mdio = of_get_parent(phy); - - id = of_get_property(phy, "reg", NULL); - - of_node_put(phy); - - fsl_pq_mdio_bus_name(bus_name, mdio); - of_node_put(mdio); - snprintf(priv->phy_bus_id, sizeof(priv->phy_bus_id), "%s:%02x", - bus_name, *id); } /* Find the TBI PHY. If it's not there, we don't support SGMII */ - ph = of_get_property(np, "tbi-handle", NULL); - if (ph) { - struct device_node *tbi = of_find_node_by_phandle(*ph); - struct of_device *ofdev; - struct mii_bus *bus; - - if (!tbi) - return 0; - - mdio = of_get_parent(tbi); - if (!mdio) - return 0; - - ofdev = of_find_device_by_node(mdio); - - of_node_put(mdio); - - id = of_get_property(tbi, "reg", NULL); - if (!id) - return 0; - - of_node_put(tbi); - - bus = dev_get_drvdata(&ofdev->dev); - - priv->tbiphy = bus->phy_map[*id]; - } + priv->tbi_node = of_parse_phandle(np, "tbi-handle", 0); return 0; @@ -529,6 +479,10 @@ static int gfar_probe(struct of_device *ofdev, register_fail: iounmap(priv->regs); regs_fail: + if (priv->phy_node) + of_node_put(priv->phy_node); + if (priv->tbi_node) + of_node_put(priv->tbi_node); free_netdev(dev); return err; } @@ -537,6 +491,11 @@ static int gfar_remove(struct of_device *ofdev) { struct gfar_private *priv = dev_get_drvdata(&ofdev->dev); + if (priv->phy_node) + of_node_put(priv->phy_node); + if (priv->tbi_node) + of_node_put(priv->tbi_node); + dev_set_drvdata(&ofdev->dev, NULL); iounmap(priv->regs); @@ -690,7 +649,6 @@ static int init_phy(struct net_device *dev) uint gigabit_support = priv->device_flags & FSL_GIANFAR_DEV_HAS_GIGABIT ? SUPPORTED_1000baseT_Full : 0; - struct phy_device *phydev; phy_interface_t interface; priv->oldlink = 0; @@ -699,21 +657,21 @@ static int init_phy(struct net_device *dev) interface = gfar_get_interface(dev); - phydev = phy_connect(dev, priv->phy_bus_id, &adjust_link, 0, interface); + if (priv->phy_node) { + priv->phydev = of_phy_connect(dev, priv->phy_node, &adjust_link, + 0, interface); + if (!priv->phydev) { + dev_err(&dev->dev, "error: Could not attach to PHY\n"); + return -ENODEV; + } + } if (interface == PHY_INTERFACE_MODE_SGMII) gfar_configure_serdes(dev); - if (IS_ERR(phydev)) { - printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); - return PTR_ERR(phydev); - } - /* Remove any features not supported by the controller */ - phydev->supported &= (GFAR_SUPPORTED | gigabit_support); - phydev->advertising = phydev->supported; - - priv->phydev = phydev; + priv->phydev->supported &= (GFAR_SUPPORTED | gigabit_support); + priv->phydev->advertising = priv->phydev->supported; return 0; } @@ -730,10 +688,17 @@ static int init_phy(struct net_device *dev) static void gfar_configure_serdes(struct net_device *dev) { struct gfar_private *priv = netdev_priv(dev); + struct phy_device *tbiphy; + + if (!priv->tbi_node) { + dev_warn(&dev->dev, "error: SGMII mode requires that the " + "device tree specify a tbi-handle\n"); + return; + } - if (!priv->tbiphy) { - printk(KERN_WARNING "SGMII mode requires that the device " - "tree specify a tbi-handle\n"); + tbiphy = of_phy_find_device(priv->tbi_node); + if (!tbiphy) { + dev_err(&dev->dev, "error: Could not get TBI device\n"); return; } @@ -743,17 +708,17 @@ static void gfar_configure_serdes(struct net_device *dev) * everything for us? Resetting it takes the link down and requires * several seconds for it to come back. */ - if (phy_read(priv->tbiphy, MII_BMSR) & BMSR_LSTATUS) + if (phy_read(tbiphy, MII_BMSR) & BMSR_LSTATUS) return; /* Single clk mode, mii mode off(for serdes communication) */ - phy_write(priv->tbiphy, MII_TBICON, TBICON_CLK_SELECT); + phy_write(tbiphy, MII_TBICON, TBICON_CLK_SELECT); - phy_write(priv->tbiphy, MII_ADVERTISE, + phy_write(tbiphy, MII_ADVERTISE, ADVERTISE_1000XFULL | ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM); - phy_write(priv->tbiphy, MII_BMCR, BMCR_ANENABLE | + phy_write(tbiphy, MII_BMCR, BMCR_ANENABLE | BMCR_ANRESTART | BMCR_FULLDPLX | BMCR_SPEED1000); } diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index 0642d52..91317bc 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h @@ -779,7 +779,8 @@ struct gfar_private { spinlock_t bflock; phy_interface_t interface; - char phy_bus_id[BUS_ID_SIZE]; + struct device_node *phy_node; + struct device_node *tbi_node; u32 device_flags; unsigned char rx_csum_enable:1, extended_hash:1, @@ -793,7 +794,6 @@ struct gfar_private { /* PHY stuff */ struct phy_device *phydev; - struct phy_device *tbiphy; struct mii_bus *mii_bus; int oldspeed; int oldduplex; |