diff options
Diffstat (limited to 'drivers/net/dsa/bcm_sf2.c')
| -rw-r--r-- | drivers/net/dsa/bcm_sf2.c | 178 |
1 files changed, 118 insertions, 60 deletions
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index b2b838724a9b..fe1cc92f72a8 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -1571,23 +1571,84 @@ static int bcm_sf2_sw_vlan_dump(struct dsa_switch *ds, int port, static int bcm_sf2_sw_setup(struct dsa_switch *ds) { - const char *reg_names[BCM_SF2_REGS_NUM] = BCM_SF2_REGS_NAME; struct bcm_sf2_priv *priv = ds_to_priv(ds); - struct device_node *dn; - void __iomem **base; unsigned int port; + + /* Enable all valid ports and disable those unused */ + for (port = 0; port < priv->hw_params.num_ports; port++) { + /* IMP port receives special treatment */ + if ((1 << port) & ds->enabled_port_mask) + bcm_sf2_port_setup(ds, port, NULL); + else if (dsa_is_cpu_port(ds, port)) + bcm_sf2_imp_setup(ds, port); + else + bcm_sf2_port_disable(ds, port, NULL); + } + + bcm_sf2_sw_configure_vlan(ds); + + return 0; +} + +static struct dsa_switch_driver bcm_sf2_switch_driver = { + .tag_protocol = DSA_TAG_PROTO_BRCM, + .probe = bcm_sf2_sw_drv_probe, + .setup = bcm_sf2_sw_setup, + .set_addr = bcm_sf2_sw_set_addr, + .get_phy_flags = bcm_sf2_sw_get_phy_flags, + .get_strings = bcm_sf2_sw_get_strings, + .get_ethtool_stats = bcm_sf2_sw_get_ethtool_stats, + .get_sset_count = bcm_sf2_sw_get_sset_count, + .adjust_link = bcm_sf2_sw_adjust_link, + .fixed_link_update = bcm_sf2_sw_fixed_link_update, + .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_enable = bcm_sf2_port_setup, + .port_disable = bcm_sf2_port_disable, + .get_eee = bcm_sf2_sw_get_eee, + .set_eee = bcm_sf2_sw_set_eee, + .port_bridge_join = bcm_sf2_sw_br_join, + .port_bridge_leave = bcm_sf2_sw_br_leave, + .port_stp_state_set = bcm_sf2_sw_br_set_stp_state, + .port_fdb_prepare = bcm_sf2_sw_fdb_prepare, + .port_fdb_add = bcm_sf2_sw_fdb_add, + .port_fdb_del = bcm_sf2_sw_fdb_del, + .port_fdb_dump = bcm_sf2_sw_fdb_dump, + .port_vlan_filtering = bcm_sf2_sw_vlan_filtering, + .port_vlan_prepare = bcm_sf2_sw_vlan_prepare, + .port_vlan_add = bcm_sf2_sw_vlan_add, + .port_vlan_del = bcm_sf2_sw_vlan_del, + .port_vlan_dump = bcm_sf2_sw_vlan_dump, +}; + +static int bcm_sf2_sw_probe(struct platform_device *pdev) +{ + const char *reg_names[BCM_SF2_REGS_NUM] = BCM_SF2_REGS_NAME; + struct device_node *dn = pdev->dev.of_node; + struct bcm_sf2_priv *priv; + struct dsa_switch *ds; + void __iomem **base; unsigned int i; u32 reg, rev; int ret; + ds = devm_kzalloc(&pdev->dev, sizeof(*ds) + sizeof(*priv), GFP_KERNEL); + if (!ds) + return -ENOMEM; + + priv = (struct bcm_sf2_priv *)(ds + 1); + ds->priv = priv; + ds->dev = &pdev->dev; + ds->drv = &bcm_sf2_switch_driver; + + dev_set_drvdata(&pdev->dev, ds); + spin_lock_init(&priv->indir_lock); mutex_init(&priv->stats_mutex); - /* All the interesting properties are at the parent device_node - * level - */ - dn = ds->cd->of_node->parent; - bcm_sf2_identify_ports(priv, ds->cd->of_node); + bcm_sf2_identify_ports(priv, dn->child); priv->irq0 = irq_of_parse_and_map(dn, 0); priv->irq1 = irq_of_parse_and_map(dn, 1); @@ -1649,19 +1710,6 @@ static int bcm_sf2_sw_setup(struct dsa_switch *ds) &priv->hw_params.num_gphy)) priv->hw_params.num_gphy = 1; - /* Enable all valid ports and disable those unused */ - for (port = 0; port < priv->hw_params.num_ports; port++) { - /* IMP port receives special treatment */ - if ((1 << port) & ds->enabled_port_mask) - bcm_sf2_port_setup(ds, port, NULL); - else if (dsa_is_cpu_port(ds, port)) - bcm_sf2_imp_setup(ds, port); - else - bcm_sf2_port_disable(ds, port, NULL); - } - - bcm_sf2_sw_configure_vlan(ds); - rev = reg_readl(priv, REG_SWITCH_REVISION); priv->hw_params.top_rev = (rev >> SWITCH_TOP_REV_SHIFT) & SWITCH_TOP_REV_MASK; @@ -1670,6 +1718,10 @@ static int bcm_sf2_sw_setup(struct dsa_switch *ds) rev = reg_readl(priv, REG_PHY_REVISION); priv->hw_params.gphy_rev = rev & PHY_REVISION_MASK; + ret = dsa_register_switch(ds, dn); + if (ret) + goto out_free_irq1; + pr_info("Starfighter 2 top: %x.%02x, core: %x.%02x base: 0x%p, IRQs: %d, %d\n", priv->hw_params.top_rev >> 8, priv->hw_params.top_rev & 0xff, priv->hw_params.core_rev >> 8, priv->hw_params.core_rev & 0xff, @@ -1677,6 +1729,8 @@ static int bcm_sf2_sw_setup(struct dsa_switch *ds) return 0; +out_free_irq1: + free_irq(priv->irq1, priv); out_free_irq0: free_irq(priv->irq0, priv); out_mdio: @@ -1691,52 +1745,56 @@ out_unmap: return ret; } -static struct dsa_switch_driver bcm_sf2_switch_driver = { - .tag_protocol = DSA_TAG_PROTO_BRCM, - .probe = bcm_sf2_sw_drv_probe, - .setup = bcm_sf2_sw_setup, - .set_addr = bcm_sf2_sw_set_addr, - .get_phy_flags = bcm_sf2_sw_get_phy_flags, - .get_strings = bcm_sf2_sw_get_strings, - .get_ethtool_stats = bcm_sf2_sw_get_ethtool_stats, - .get_sset_count = bcm_sf2_sw_get_sset_count, - .adjust_link = bcm_sf2_sw_adjust_link, - .fixed_link_update = bcm_sf2_sw_fixed_link_update, - .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_enable = bcm_sf2_port_setup, - .port_disable = bcm_sf2_port_disable, - .get_eee = bcm_sf2_sw_get_eee, - .set_eee = bcm_sf2_sw_set_eee, - .port_bridge_join = bcm_sf2_sw_br_join, - .port_bridge_leave = bcm_sf2_sw_br_leave, - .port_stp_state_set = bcm_sf2_sw_br_set_stp_state, - .port_fdb_prepare = bcm_sf2_sw_fdb_prepare, - .port_fdb_add = bcm_sf2_sw_fdb_add, - .port_fdb_del = bcm_sf2_sw_fdb_del, - .port_fdb_dump = bcm_sf2_sw_fdb_dump, - .port_vlan_filtering = bcm_sf2_sw_vlan_filtering, - .port_vlan_prepare = bcm_sf2_sw_vlan_prepare, - .port_vlan_add = bcm_sf2_sw_vlan_add, - .port_vlan_del = bcm_sf2_sw_vlan_del, - .port_vlan_dump = bcm_sf2_sw_vlan_dump, -}; - -static int __init bcm_sf2_init(void) +static int bcm_sf2_sw_remove(struct platform_device *pdev) { - register_switch_driver(&bcm_sf2_switch_driver); + struct dsa_switch *ds = platform_get_drvdata(pdev); + struct bcm_sf2_priv *priv = ds_to_priv(ds); + + /* Disable all ports and interrupts */ + priv->wol_ports_mask = 0; + bcm_sf2_sw_suspend(ds); + dsa_unregister_switch(ds); + bcm_sf2_mdio_unregister(priv); return 0; } -module_init(bcm_sf2_init); -static void __exit bcm_sf2_exit(void) +#ifdef CONFIG_PM_SLEEP +static int bcm_sf2_suspend(struct device *dev) { - unregister_switch_driver(&bcm_sf2_switch_driver); + struct platform_device *pdev = to_platform_device(dev); + struct dsa_switch *ds = platform_get_drvdata(pdev); + + return dsa_switch_suspend(ds); } -module_exit(bcm_sf2_exit); + +static int bcm_sf2_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct dsa_switch *ds = platform_get_drvdata(pdev); + + return dsa_switch_resume(ds); +} +#endif /* CONFIG_PM_SLEEP */ + +static SIMPLE_DEV_PM_OPS(bcm_sf2_pm_ops, + bcm_sf2_suspend, bcm_sf2_resume); + +static const struct of_device_id bcm_sf2_of_match[] = { + { .compatible = "brcm,bcm7445-switch-v4.0" }, + { /* sentinel */ }, +}; + +static struct platform_driver bcm_sf2_driver = { + .probe = bcm_sf2_sw_probe, + .remove = bcm_sf2_sw_remove, + .driver = { + .name = "brcm-sf2", + .of_match_table = bcm_sf2_of_match, + .pm = &bcm_sf2_pm_ops, + }, +}; +module_platform_driver(bcm_sf2_driver); MODULE_AUTHOR("Broadcom Corporation"); MODULE_DESCRIPTION("Driver for Broadcom Starfighter 2 ethernet switch chip"); |