diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/asp2/bcmasp.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/asp2/bcmasp.c | 90 |
1 files changed, 82 insertions, 8 deletions
diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp.c b/drivers/net/ethernet/broadcom/asp2/bcmasp.c index 80245c65c..a806dadc4 100644 --- a/drivers/net/ethernet/broadcom/asp2/bcmasp.c +++ b/drivers/net/ethernet/broadcom/asp2/bcmasp.c @@ -31,6 +31,20 @@ static void _intr2_mask_set(struct bcmasp_priv *priv, u32 mask) priv->irq_mask |= mask; } +void bcmasp_enable_phy_irq(struct bcmasp_intf *intf, int en) +{ + struct bcmasp_priv *priv = intf->parent; + + /* Only supported with internal phys */ + if (!intf->internal_phy) + return; + + if (en) + _intr2_mask_clear(priv, ASP_INTR2_PHY_EVENT(intf->channel)); + else + _intr2_mask_set(priv, ASP_INTR2_PHY_EVENT(intf->channel)); +} + void bcmasp_enable_tx_irq(struct bcmasp_intf *intf, int en) { struct bcmasp_priv *priv = intf->parent; @@ -79,6 +93,9 @@ static void bcmasp_intr2_handling(struct bcmasp_intf *intf, u32 status) __napi_schedule_irqoff(&intf->tx_napi); } } + + if (status & ASP_INTR2_PHY_EVENT(intf->channel)) + phy_mac_interrupt(intf->ndev->phydev); } static irqreturn_t bcmasp_isr(int irq, void *data) @@ -972,7 +989,26 @@ static void bcmasp_core_init(struct bcmasp_priv *priv) ASP_INTR2_CLEAR); } -static void bcmasp_core_clock_select(struct bcmasp_priv *priv, bool slow) +static void bcmasp_core_clock_select_many(struct bcmasp_priv *priv, bool slow) +{ + u32 reg; + + reg = ctrl2_core_rl(priv, ASP_CTRL2_CORE_CLOCK_SELECT); + if (slow) + reg &= ~ASP_CTRL2_CORE_CLOCK_SELECT_MAIN; + else + reg |= ASP_CTRL2_CORE_CLOCK_SELECT_MAIN; + ctrl2_core_wl(priv, reg, ASP_CTRL2_CORE_CLOCK_SELECT); + + reg = ctrl2_core_rl(priv, ASP_CTRL2_CPU_CLOCK_SELECT); + if (slow) + reg &= ~ASP_CTRL2_CPU_CLOCK_SELECT_MAIN; + else + reg |= ASP_CTRL2_CPU_CLOCK_SELECT_MAIN; + ctrl2_core_wl(priv, reg, ASP_CTRL2_CPU_CLOCK_SELECT); +} + +static void bcmasp_core_clock_select_one(struct bcmasp_priv *priv, bool slow) { u32 reg; @@ -1166,6 +1202,24 @@ static void bcmasp_wol_irq_destroy_per_intf(struct bcmasp_priv *priv) } } +static void bcmasp_eee_fixup(struct bcmasp_intf *intf, bool en) +{ + u32 reg, phy_lpi_overwrite; + + reg = rx_edpkt_core_rl(intf->parent, ASP_EDPKT_SPARE_REG); + phy_lpi_overwrite = intf->internal_phy ? ASP_EDPKT_SPARE_REG_EPHY_LPI : + ASP_EDPKT_SPARE_REG_GPHY_LPI; + + if (en) + reg |= phy_lpi_overwrite; + else + reg &= ~phy_lpi_overwrite; + + rx_edpkt_core_wl(intf->parent, reg, ASP_EDPKT_SPARE_REG); + + usleep_range(50, 100); +} + static struct bcmasp_hw_info v20_hw_info = { .rx_ctrl_flush = ASP_RX_CTRL_FLUSH, .umac2fb = UMAC2FB_OFFSET, @@ -1178,6 +1232,7 @@ static const struct bcmasp_plat_data v20_plat_data = { .init_wol = bcmasp_init_wol_per_intf, .enable_wol = bcmasp_enable_wol_per_intf, .destroy_wol = bcmasp_wol_irq_destroy_per_intf, + .core_clock_select = bcmasp_core_clock_select_one, .hw_info = &v20_hw_info, }; @@ -1194,17 +1249,39 @@ static const struct bcmasp_plat_data v21_plat_data = { .init_wol = bcmasp_init_wol_shared, .enable_wol = bcmasp_enable_wol_shared, .destroy_wol = bcmasp_wol_irq_destroy_shared, + .core_clock_select = bcmasp_core_clock_select_one, + .hw_info = &v21_hw_info, +}; + +static const struct bcmasp_plat_data v22_plat_data = { + .init_wol = bcmasp_init_wol_shared, + .enable_wol = bcmasp_enable_wol_shared, + .destroy_wol = bcmasp_wol_irq_destroy_shared, + .core_clock_select = bcmasp_core_clock_select_many, .hw_info = &v21_hw_info, + .eee_fixup = bcmasp_eee_fixup, }; +static void bcmasp_set_pdata(struct bcmasp_priv *priv, const struct bcmasp_plat_data *pdata) +{ + priv->init_wol = pdata->init_wol; + priv->enable_wol = pdata->enable_wol; + priv->destroy_wol = pdata->destroy_wol; + priv->core_clock_select = pdata->core_clock_select; + priv->eee_fixup = pdata->eee_fixup; + priv->hw_info = pdata->hw_info; +} + static const struct of_device_id bcmasp_of_match[] = { { .compatible = "brcm,asp-v2.0", .data = &v20_plat_data }, { .compatible = "brcm,asp-v2.1", .data = &v21_plat_data }, + { .compatible = "brcm,asp-v2.2", .data = &v22_plat_data }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, bcmasp_of_match); static const struct of_device_id bcmasp_mdio_of_match[] = { + { .compatible = "brcm,asp-v2.2-mdio", }, { .compatible = "brcm,asp-v2.1-mdio", }, { .compatible = "brcm,asp-v2.0-mdio", }, { /* sentinel */ }, @@ -1265,16 +1342,13 @@ static int bcmasp_probe(struct platform_device *pdev) if (!pdata) return dev_err_probe(dev, -EINVAL, "unable to find platform data\n"); - priv->init_wol = pdata->init_wol; - priv->enable_wol = pdata->enable_wol; - priv->destroy_wol = pdata->destroy_wol; - priv->hw_info = pdata->hw_info; + bcmasp_set_pdata(priv, pdata); /* Enable all clocks to ensure successful probing */ bcmasp_core_clock_set(priv, ASP_CTRL_CLOCK_CTRL_ASP_ALL_DISABLE, 0); /* Switch to the main clock */ - bcmasp_core_clock_select(priv, false); + priv->core_clock_select(priv, false); bcmasp_intr2_mask_set_all(priv); bcmasp_intr2_clear_all(priv); @@ -1381,7 +1455,7 @@ static int __maybe_unused bcmasp_suspend(struct device *d) */ bcmasp_core_clock_set(priv, 0, ASP_CTRL_CLOCK_CTRL_ASP_TX_DISABLE); - bcmasp_core_clock_select(priv, true); + priv->core_clock_select(priv, true); clk_disable_unprepare(priv->clk); @@ -1399,7 +1473,7 @@ static int __maybe_unused bcmasp_resume(struct device *d) return ret; /* Switch to the main clock domain */ - bcmasp_core_clock_select(priv, false); + priv->core_clock_select(priv, false); /* Re-enable all clocks for re-initialization */ bcmasp_core_clock_set(priv, ASP_CTRL_CLOCK_CTRL_ASP_ALL_DISABLE, 0); |