diff options
Diffstat (limited to 'drivers/net/dsa/bcm_sf2.c')
| -rw-r--r-- | drivers/net/dsa/bcm_sf2.c | 148 |
1 files changed, 88 insertions, 60 deletions
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index cde253d27bd0..960685596093 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -513,12 +513,12 @@ static void bcm_sf2_crossbar_setup(struct bcm_sf2_priv *priv) u32 reg; int i; - mask = BIT(priv->num_crossbar_int_ports) - 1; + mask = BIT(priv->num_crossbar_ext_bits) - 1; reg = reg_readl(priv, REG_CROSSBAR); switch (priv->type) { case BCM4908_DEVICE_ID: - shift = CROSSBAR_BCM4908_INT_P7 * priv->num_crossbar_int_ports; + shift = CROSSBAR_BCM4908_INT_P7 * priv->num_crossbar_ext_bits; reg &= ~(mask << shift); if (0) /* FIXME */ reg |= CROSSBAR_BCM4908_EXT_SERDES << shift; @@ -536,7 +536,7 @@ static void bcm_sf2_crossbar_setup(struct bcm_sf2_priv *priv) reg = reg_readl(priv, REG_CROSSBAR); for (i = 0; i < priv->num_crossbar_int_ports; i++) { - shift = i * priv->num_crossbar_int_ports; + shift = i * priv->num_crossbar_ext_bits; dev_dbg(dev, "crossbar int port #%d - ext port #%d\n", i, (reg >> shift) & mask); @@ -617,26 +617,22 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds) dn = of_find_compatible_node(NULL, NULL, "brcm,unimac-mdio"); priv->master_mii_bus = of_mdio_find_bus(dn); if (!priv->master_mii_bus) { - of_node_put(dn); - return -EPROBE_DEFER; + err = -EPROBE_DEFER; + goto err_of_node_put; } - get_device(&priv->master_mii_bus->dev); - priv->master_mii_dn = dn; - - priv->slave_mii_bus = mdiobus_alloc(); - if (!priv->slave_mii_bus) { - of_node_put(dn); - return -ENOMEM; + priv->user_mii_bus = mdiobus_alloc(); + if (!priv->user_mii_bus) { + err = -ENOMEM; + goto err_put_master_mii_bus_dev; } - priv->slave_mii_bus->priv = priv; - priv->slave_mii_bus->name = "sf2 slave mii"; - priv->slave_mii_bus->read = bcm_sf2_sw_mdio_read; - priv->slave_mii_bus->write = bcm_sf2_sw_mdio_write; - snprintf(priv->slave_mii_bus->id, MII_BUS_ID_SIZE, "sf2-%d", + priv->user_mii_bus->priv = priv; + priv->user_mii_bus->name = "sf2 user mii"; + priv->user_mii_bus->read = bcm_sf2_sw_mdio_read; + priv->user_mii_bus->write = bcm_sf2_sw_mdio_write; + snprintf(priv->user_mii_bus->id, MII_BUS_ID_SIZE, "sf2-%d", index++); - priv->slave_mii_bus->dev.of_node = dn; /* Include the pseudo-PHY address to divert reads towards our * workaround. This is only required for 7445D0, since 7445E0 @@ -654,9 +650,9 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds) priv->indir_phy_mask = 0; ds->phys_mii_mask = priv->indir_phy_mask; - ds->slave_mii_bus = priv->slave_mii_bus; - priv->slave_mii_bus->parent = ds->dev->parent; - priv->slave_mii_bus->phy_mask = ~priv->indir_phy_mask; + ds->user_mii_bus = priv->user_mii_bus; + priv->user_mii_bus->parent = ds->dev->parent; + priv->user_mii_bus->phy_mask = ~priv->indir_phy_mask; /* We need to make sure that of_phy_connect() will not work by * removing the 'phandle' and 'linux,phandle' properties and @@ -679,24 +675,34 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds) of_remove_property(child, prop); phydev = of_phy_find_device(child); - if (phydev) + if (phydev) { phy_device_remove(phydev); + phy_device_free(phydev); + } } - err = mdiobus_register(priv->slave_mii_bus); - if (err && dn) { - mdiobus_free(priv->slave_mii_bus); - of_node_put(dn); - } + err = mdiobus_register(priv->user_mii_bus); + if (err) + goto err_free_user_mii_bus; + + of_node_put(dn); + + return 0; +err_free_user_mii_bus: + mdiobus_free(priv->user_mii_bus); +err_put_master_mii_bus_dev: + put_device(&priv->master_mii_bus->dev); +err_of_node_put: + of_node_put(dn); return err; } static void bcm_sf2_mdio_unregister(struct bcm_sf2_priv *priv) { - mdiobus_unregister(priv->slave_mii_bus); - mdiobus_free(priv->slave_mii_bus); - of_node_put(priv->master_mii_dn); + mdiobus_unregister(priv->user_mii_bus); + mdiobus_free(priv->user_mii_bus); + put_device(&priv->master_mii_bus->dev); } static u32 bcm_sf2_sw_get_phy_flags(struct dsa_switch *ds, int port) @@ -736,16 +742,19 @@ static void bcm_sf2_sw_get_caps(struct dsa_switch *ds, int port, MAC_10 | MAC_100 | MAC_1000; } -static void bcm_sf2_sw_mac_config(struct dsa_switch *ds, int port, +static void bcm_sf2_sw_mac_config(struct phylink_config *config, unsigned int mode, const struct phylink_link_state *state) { - struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); + struct dsa_port *dp = dsa_phylink_to_port(config); u32 id_mode_dis = 0, port_mode; + struct bcm_sf2_priv *priv; u32 reg_rgmii_ctrl; u32 reg; - if (port == core_readl(priv, CORE_IMP0_PRT_ID)) + priv = bcm_sf2_to_priv(dp->ds); + + if (dp->index == core_readl(priv, CORE_IMP0_PRT_ID)) return; switch (state->interface) { @@ -766,7 +775,7 @@ static void bcm_sf2_sw_mac_config(struct dsa_switch *ds, int port, return; } - reg_rgmii_ctrl = bcm_sf2_reg_rgmii_cntrl(priv, port); + reg_rgmii_ctrl = bcm_sf2_reg_rgmii_cntrl(priv, dp->index); /* Clear id_mode_dis bit, and the existing port mode, let * RGMII_MODE_EN bet set by mac_link_{up,down} @@ -805,13 +814,16 @@ static void bcm_sf2_sw_mac_link_set(struct dsa_switch *ds, int port, reg_writel(priv, reg, reg_rgmii_ctrl); } -static void bcm_sf2_sw_mac_link_down(struct dsa_switch *ds, int port, +static void bcm_sf2_sw_mac_link_down(struct phylink_config *config, unsigned int mode, phy_interface_t interface) { - struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); + struct dsa_port *dp = dsa_phylink_to_port(config); + struct bcm_sf2_priv *priv; + int port = dp->index; u32 reg, offset; + priv = bcm_sf2_to_priv(dp->ds); if (priv->wol_ports_mask & BIT(port)) return; @@ -820,23 +832,26 @@ static void bcm_sf2_sw_mac_link_down(struct dsa_switch *ds, int port, reg &= ~LINK_STS; core_writel(priv, reg, offset); - bcm_sf2_sw_mac_link_set(ds, port, interface, false); + bcm_sf2_sw_mac_link_set(dp->ds, port, interface, false); } -static void bcm_sf2_sw_mac_link_up(struct dsa_switch *ds, int port, +static void bcm_sf2_sw_mac_link_up(struct phylink_config *config, + struct phy_device *phydev, unsigned int mode, phy_interface_t interface, - struct phy_device *phydev, int speed, int duplex, bool tx_pause, bool rx_pause) { - struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); - struct ethtool_eee *p = &priv->dev->ports[port].eee; + struct dsa_port *dp = dsa_phylink_to_port(config); + struct bcm_sf2_priv *priv; u32 reg_rgmii_ctrl = 0; + struct ethtool_keee *p; + int port = dp->index; u32 reg, offset; - bcm_sf2_sw_mac_link_set(ds, port, interface, true); + bcm_sf2_sw_mac_link_set(dp->ds, port, interface, true); + priv = bcm_sf2_to_priv(dp->ds); offset = bcm_sf2_port_override_offset(priv, port); if (phy_interface_mode_is_rgmii(interface) || @@ -882,8 +897,10 @@ static void bcm_sf2_sw_mac_link_up(struct dsa_switch *ds, int port, core_writel(priv, reg, offset); - if (mode == MLO_AN_PHY && phydev) - p->eee_enabled = b53_eee_init(ds, port, phydev); + if (mode == MLO_AN_PHY && phydev) { + p = &priv->dev->ports[port].eee; + p->eee_enabled = b53_eee_init(dp->ds, port, phydev); + } } static void bcm_sf2_sw_fixed_state(struct dsa_switch *ds, int port, @@ -909,7 +926,7 @@ static void bcm_sf2_sw_fixed_state(struct dsa_switch *ds, int port, * state machine and make it go in PHY_FORCING state instead. */ if (!status->link) - netif_carrier_off(dsa_to_port(ds, port)->slave); + netif_carrier_off(dsa_to_port(ds, port)->user); status->duplex = DUPLEX_FULL; } else { status->link = true; @@ -983,7 +1000,7 @@ static int bcm_sf2_sw_resume(struct dsa_switch *ds) static void bcm_sf2_sw_get_wol(struct dsa_switch *ds, int port, struct ethtool_wolinfo *wol) { - struct net_device *p = dsa_port_to_master(dsa_to_port(ds, port)); + struct net_device *p = dsa_port_to_conduit(dsa_to_port(ds, port)); struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); struct ethtool_wolinfo pwol = { }; @@ -1007,7 +1024,7 @@ static void bcm_sf2_sw_get_wol(struct dsa_switch *ds, int port, static int bcm_sf2_sw_set_wol(struct dsa_switch *ds, int port, struct ethtool_wolinfo *wol) { - struct net_device *p = dsa_port_to_master(dsa_to_port(ds, port)); + struct net_device *p = dsa_port_to_conduit(dsa_to_port(ds, port)); struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); s8 cpu_port = dsa_to_port(ds, port)->cpu_dp->index; struct ethtool_wolinfo pwol = { }; @@ -1166,8 +1183,8 @@ static void bcm_sf2_sw_get_strings(struct dsa_switch *ds, int port, int cnt = b53_get_sset_count(ds, port, stringset); b53_get_strings(ds, port, stringset, data); - bcm_sf2_cfp_get_strings(ds, port, stringset, - data + cnt * ETH_GSTRING_LEN); + data += cnt * ETH_GSTRING_LEN; + bcm_sf2_cfp_get_strings(ds, port, stringset, &data); } static void bcm_sf2_sw_get_ethtool_stats(struct dsa_switch *ds, int port, @@ -1192,6 +1209,12 @@ static int bcm_sf2_sw_get_sset_count(struct dsa_switch *ds, int port, return cnt; } +static const struct phylink_mac_ops bcm_sf2_phylink_mac_ops = { + .mac_config = bcm_sf2_sw_mac_config, + .mac_link_down = bcm_sf2_sw_mac_link_down, + .mac_link_up = bcm_sf2_sw_mac_link_up, +}; + static const struct dsa_switch_ops bcm_sf2_ops = { .get_tag_protocol = b53_get_tag_protocol, .setup = bcm_sf2_sw_setup, @@ -1202,18 +1225,17 @@ static const struct dsa_switch_ops bcm_sf2_ops = { .get_ethtool_phy_stats = b53_get_ethtool_phy_stats, .get_phy_flags = bcm_sf2_sw_get_phy_flags, .phylink_get_caps = bcm_sf2_sw_get_caps, - .phylink_mac_config = bcm_sf2_sw_mac_config, - .phylink_mac_link_down = bcm_sf2_sw_mac_link_down, - .phylink_mac_link_up = bcm_sf2_sw_mac_link_up, .phylink_fixed_state = bcm_sf2_sw_fixed_state, .suspend = bcm_sf2_sw_suspend, .resume = bcm_sf2_sw_resume, .get_wol = bcm_sf2_sw_get_wol, .set_wol = bcm_sf2_sw_set_wol, + .port_setup = b53_setup_port, .port_enable = bcm_sf2_port_setup, .port_disable = bcm_sf2_port_disable, - .get_mac_eee = b53_get_mac_eee, + .support_eee = b53_support_eee, .set_mac_eee = b53_set_mac_eee, + .set_ageing_time = b53_set_ageing_time, .port_bridge_join = b53_br_join, .port_bridge_leave = b53_br_leave, .port_pre_bridge_flags = b53_br_flags_pre, @@ -1240,6 +1262,7 @@ struct bcm_sf2_of_data { unsigned int core_reg_align; unsigned int num_cfp_rules; unsigned int num_crossbar_int_ports; + unsigned int num_crossbar_ext_bits; }; static const u16 bcm_sf2_4908_reg_offsets[] = { @@ -1268,6 +1291,7 @@ static const struct bcm_sf2_of_data bcm_sf2_4908_data = { .reg_offsets = bcm_sf2_4908_reg_offsets, .num_cfp_rules = 256, .num_crossbar_int_ports = 2, + .num_crossbar_ext_bits = 2, }; /* Register offsets for the SWITCH_REG_* block */ @@ -1379,6 +1403,7 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev) priv->core_reg_align = data->core_reg_align; priv->num_cfp_rules = data->num_cfp_rules; priv->num_crossbar_int_ports = data->num_crossbar_int_ports; + priv->num_crossbar_ext_bits = data->num_crossbar_ext_bits; priv->rcdev = devm_reset_control_get_optional_exclusive(&pdev->dev, "switch"); @@ -1395,6 +1420,7 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev) priv->dev = dev; ds = dev->ds; ds->ops = &bcm_sf2_ops; + ds->phylink_mac_ops = &bcm_sf2_phylink_mac_ops; /* Advertise the 8 egress queues */ ds->num_tx_queues = SF2_NUM_EGRESS_QUEUES; @@ -1436,7 +1462,9 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev) if (IS_ERR(priv->clk)) return PTR_ERR(priv->clk); - clk_prepare_enable(priv->clk); + ret = clk_prepare_enable(priv->clk); + if (ret) + return ret; priv->clk_mdiv = devm_clk_get_optional(&pdev->dev, "sw_switch_mdiv"); if (IS_ERR(priv->clk_mdiv)) { @@ -1444,7 +1472,9 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev) goto out_clk; } - clk_prepare_enable(priv->clk_mdiv); + ret = clk_prepare_enable(priv->clk_mdiv); + if (ret) + goto out_clk; ret = bcm_sf2_sw_rst(priv); if (ret) { @@ -1533,12 +1563,12 @@ out_clk: return ret; } -static int bcm_sf2_sw_remove(struct platform_device *pdev) +static void bcm_sf2_sw_remove(struct platform_device *pdev) { struct bcm_sf2_priv *priv = platform_get_drvdata(pdev); if (!priv) - return 0; + return; priv->wol_ports_mask = 0; /* Disable interrupts */ @@ -1550,8 +1580,6 @@ static int bcm_sf2_sw_remove(struct platform_device *pdev) clk_disable_unprepare(priv->clk); if (priv->type == BCM7278_DEVICE_ID) reset_control_assert(priv->rcdev); - - return 0; } static void bcm_sf2_sw_shutdown(struct platform_device *pdev) @@ -1597,7 +1625,7 @@ static SIMPLE_DEV_PM_OPS(bcm_sf2_pm_ops, static struct platform_driver bcm_sf2_driver = { .probe = bcm_sf2_sw_probe, - .remove = bcm_sf2_sw_remove, + .remove = bcm_sf2_sw_remove, .shutdown = bcm_sf2_sw_shutdown, .driver = { .name = "brcm-sf2", |