diff options
Diffstat (limited to 'drivers/net/ldpaa_eth/ldpaa_eth.c')
-rw-r--r-- | drivers/net/ldpaa_eth/ldpaa_eth.c | 171 |
1 files changed, 103 insertions, 68 deletions
diff --git a/drivers/net/ldpaa_eth/ldpaa_eth.c b/drivers/net/ldpaa_eth/ldpaa_eth.c index a25b7cd906..fe1c03e9e4 100644 --- a/drivers/net/ldpaa_eth/ldpaa_eth.c +++ b/drivers/net/ldpaa_eth/ldpaa_eth.c @@ -23,21 +23,43 @@ static int init_phy(struct eth_device *dev) struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)dev->priv; struct phy_device *phydev = NULL; struct mii_dev *bus; + int phy_addr, phy_num; + int ret = 0; bus = wriop_get_mdio(priv->dpmac_id); if (bus == NULL) return 0; - phydev = phy_connect(bus, wriop_get_phy_address(priv->dpmac_id), - dev, wriop_get_enet_if(priv->dpmac_id)); - if (!phydev) { - printf("Failed to connect\n"); - return -1; + for (phy_num = 0; phy_num < WRIOP_MAX_PHY_NUM; phy_num++) { + phy_addr = wriop_get_phy_address(priv->dpmac_id, phy_num); + if (phy_addr < 0) + continue; + + phydev = phy_connect(bus, phy_addr, dev, + wriop_get_enet_if(priv->dpmac_id)); + if (!phydev) { + printf("Failed to connect\n"); + ret = -ENODEV; + break; + } + wriop_set_phy_dev(priv->dpmac_id, phy_num, phydev); + ret = phy_config(phydev); + if (ret) + break; } - priv->phydev = phydev; + if (ret) { + for (phy_num = 0; phy_num < WRIOP_MAX_PHY_NUM; phy_num++) { + phydev = wriop_get_phy_dev(priv->dpmac_id, phy_num); + if (!phydev) + continue; - return phy_config(phydev); + free(phydev); + wriop_set_phy_dev(priv->dpmac_id, phy_num, NULL); + } + } + + return ret; } #endif @@ -377,6 +399,68 @@ error: return err; } +static int ldpaa_get_dpmac_state(struct ldpaa_eth_priv *priv, + struct dpmac_link_state *state) +{ + struct phy_device *phydev = NULL; + phy_interface_t enet_if; + int phy_num, phys_detected; + int err; + + /* let's start off with maximum capabilities */ + enet_if = wriop_get_enet_if(priv->dpmac_id); + switch (enet_if) { + case PHY_INTERFACE_MODE_XGMII: + state->rate = SPEED_10000; + break; + default: + state->rate = SPEED_1000; + break; + } + state->up = 1; + + phys_detected = 0; +#ifdef CONFIG_PHYLIB + state->options |= DPMAC_LINK_OPT_AUTONEG; + + /* start the phy devices one by one and update the dpmac state */ + for (phy_num = 0; phy_num < WRIOP_MAX_PHY_NUM; phy_num++) { + phydev = wriop_get_phy_dev(priv->dpmac_id, phy_num); + if (!phydev) + continue; + + phys_detected++; + err = phy_startup(phydev); + if (err) { + printf("%s: Could not initialize\n", phydev->dev->name); + state->up = 0; + break; + } + if (phydev->link) { + state->rate = min(state->rate, (uint32_t)phydev->speed); + if (!phydev->duplex) + state->options |= DPMAC_LINK_OPT_HALF_DUPLEX; + if (!phydev->autoneg) + state->options &= ~DPMAC_LINK_OPT_AUTONEG; + } else { + /* break out of loop even if one phy is down */ + state->up = 0; + break; + } + } +#endif + if (!phys_detected) + state->options &= ~DPMAC_LINK_OPT_AUTONEG; + + if (!state->up) { + state->rate = 0; + state->options = 0; + return -ENOLINK; + } + + return 0; +} + static int ldpaa_eth_open(struct eth_device *net_dev, bd_t *bd) { struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)net_dev->priv; @@ -385,8 +469,6 @@ static int ldpaa_eth_open(struct eth_device *net_dev, bd_t *bd) struct dpni_link_state link_state; #endif int err = 0; - struct mii_dev *bus; - phy_interface_t enet_if; struct dpni_queue d_queue; if (net_dev->state == ETH_STATE_ACTIVE) @@ -407,47 +489,14 @@ static int ldpaa_eth_open(struct eth_device *net_dev, bd_t *bd) if (err < 0) goto err_dpmac_setup; -#ifdef CONFIG_PHYLIB - if (priv->phydev) { - err = phy_startup(priv->phydev); - if (err) { - printf("%s: Could not initialize\n", - priv->phydev->dev->name); - goto err_dpamc_bind; - } - } -#else - priv->phydev = (struct phy_device *)malloc(sizeof(struct phy_device)); - memset(priv->phydev, 0, sizeof(struct phy_device)); - - priv->phydev->speed = SPEED_1000; - priv->phydev->link = 1; - priv->phydev->duplex = DUPLEX_FULL; -#endif - - bus = wriop_get_mdio(priv->dpmac_id); - enet_if = wriop_get_enet_if(priv->dpmac_id); - if ((bus == NULL) && - (enet_if == PHY_INTERFACE_MODE_XGMII)) { - priv->phydev = (struct phy_device *) - malloc(sizeof(struct phy_device)); - memset(priv->phydev, 0, sizeof(struct phy_device)); - - priv->phydev->speed = SPEED_10000; - priv->phydev->link = 1; - priv->phydev->duplex = DUPLEX_FULL; - } - - if (!priv->phydev->link) { - printf("%s: No link.\n", priv->phydev->dev->name); - err = -1; - goto err_dpamc_bind; - } + err = ldpaa_get_dpmac_state(priv, &dpmac_link_state); + if (err < 0) + goto err_dpmac_bind; /* DPMAC binding DPNI */ err = ldpaa_dpmac_bind(priv); if (err) - goto err_dpamc_bind; + goto err_dpmac_bind; /* DPNI initialization */ err = ldpaa_dpni_setup(priv); @@ -476,18 +525,6 @@ static int ldpaa_eth_open(struct eth_device *net_dev, bd_t *bd) return err; } - dpmac_link_state.rate = priv->phydev->speed; - - if (priv->phydev->autoneg == AUTONEG_DISABLE) - dpmac_link_state.options &= ~DPMAC_LINK_OPT_AUTONEG; - else - dpmac_link_state.options |= DPMAC_LINK_OPT_AUTONEG; - - if (priv->phydev->duplex == DUPLEX_HALF) - dpmac_link_state.options |= DPMAC_LINK_OPT_HALF_DUPLEX; - - dpmac_link_state.up = priv->phydev->link; - err = dpmac_set_link_state(dflt_mc_io, MC_CMD_NO_FLAGS, priv->dpmac_handle, &dpmac_link_state); if (err < 0) { @@ -530,7 +567,7 @@ static int ldpaa_eth_open(struct eth_device *net_dev, bd_t *bd) goto err_qdid; } - return priv->phydev->link; + return dpmac_link_state.up; err_qdid: err_get_queue: @@ -540,7 +577,7 @@ err_dpni_bind: err_dpbp_setup: dpni_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle); err_dpni_setup: -err_dpamc_bind: +err_dpmac_bind: dpmac_close(dflt_mc_io, MC_CMD_NO_FLAGS, priv->dpmac_handle); dpmac_destroy(dflt_mc_io, dflt_dprc_handle, @@ -553,9 +590,8 @@ static void ldpaa_eth_stop(struct eth_device *net_dev) { struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)net_dev->priv; int err = 0; -#ifdef CONFIG_PHYLIB - struct mii_dev *bus = wriop_get_mdio(priv->dpmac_id); -#endif + struct phy_device *phydev = NULL; + int phy_num; if ((net_dev->state == ETH_STATE_PASSIVE) || (net_dev->state == ETH_STATE_INIT)) @@ -588,11 +624,10 @@ static void ldpaa_eth_stop(struct eth_device *net_dev) printf("dpni_disable() failed\n"); #ifdef CONFIG_PHYLIB - if (priv->phydev && bus != NULL) - phy_shutdown(priv->phydev); - else { - free(priv->phydev); - priv->phydev = NULL; + for (phy_num = 0; phy_num < WRIOP_MAX_PHY_NUM; phy_num++) { + phydev = wriop_get_phy_dev(priv->dpmac_id, phy_num); + if (phydev) + phy_shutdown(phydev); } #endif |