From d0b2f91bede3bd5e3d24dd6803e56eee959c1797 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Thu, 20 Oct 2016 00:10:27 -0300 Subject: Linux-libre 4.8.2-gnu --- drivers/net/ethernet/freescale/fec_main.c | 61 ++++++++++++++++++++++++------- 1 file changed, 47 insertions(+), 14 deletions(-) (limited to 'drivers/net/ethernet/freescale/fec_main.c') diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index fea0f330d..692ee248e 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -60,6 +60,7 @@ #include #include #include +#include #include @@ -88,10 +89,10 @@ static struct platform_device_id fec_devtype[] = { .driver_data = 0, }, { .name = "imx25-fec", - .driver_data = FEC_QUIRK_USE_GASKET | FEC_QUIRK_HAS_RACC, + .driver_data = FEC_QUIRK_USE_GASKET, }, { .name = "imx27-fec", - .driver_data = FEC_QUIRK_HAS_RACC, + .driver_data = 0, }, { .name = "imx28-fec", .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME | @@ -111,7 +112,13 @@ static struct platform_device_id fec_devtype[] = { FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM | FEC_QUIRK_HAS_VLAN | FEC_QUIRK_HAS_AVB | FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE | - FEC_QUIRK_HAS_RACC, + FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE, + }, { + .name = "imx6ul-fec", + .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT | + FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM | + FEC_QUIRK_HAS_VLAN | FEC_QUIRK_BUG_CAPTURE | + FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE, }, { /* sentinel */ } @@ -125,6 +132,7 @@ enum imx_fec_type { IMX6Q_FEC, MVF600_FEC, IMX6SX_FEC, + IMX6UL_FEC, }; static const struct of_device_id fec_dt_ids[] = { @@ -134,6 +142,7 @@ static const struct of_device_id fec_dt_ids[] = { { .compatible = "fsl,imx6q-fec", .data = &fec_devtype[IMX6Q_FEC], }, { .compatible = "fsl,mvf600-fec", .data = &fec_devtype[MVF600_FEC], }, { .compatible = "fsl,imx6sx-fec", .data = &fec_devtype[IMX6SX_FEC], }, + { .compatible = "fsl,imx6ul-fec", .data = &fec_devtype[IMX6UL_FEC], }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, fec_dt_ids); @@ -171,6 +180,7 @@ MODULE_PARM_DESC(macaddr, "FEC Ethernet MAC address"); /* FEC receive acceleration */ #define FEC_RACC_IPDIS (1 << 1) #define FEC_RACC_PRODIS (1 << 2) +#define FEC_RACC_SHIFT16 BIT(7) #define FEC_RACC_OPTIONS (FEC_RACC_IPDIS | FEC_RACC_PRODIS) /* @@ -936,9 +946,11 @@ fec_restart(struct net_device *ndev) #if !defined(CONFIG_M5272) if (fep->quirks & FEC_QUIRK_HAS_RACC) { - /* set RX checksum */ val = readl(fep->hwp + FEC_RACC); + /* align IP header */ + val |= FEC_RACC_SHIFT16; if (fep->csum_flags & FLAG_RX_CSUM_ENABLED) + /* set RX checksum */ val |= FEC_RACC_OPTIONS; else val &= ~FEC_RACC_OPTIONS; @@ -1419,6 +1431,12 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) prefetch(skb->data - NET_IP_ALIGN); skb_put(skb, pkt_len - 4); data = skb->data; + +#if !defined(CONFIG_M5272) + if (fep->quirks & FEC_QUIRK_HAS_RACC) + data = skb_pull_inline(skb, 2); +#endif + if (!is_copybreak && need_swap) swap_buffer(data, pkt_len); @@ -2358,9 +2376,6 @@ static void fec_enet_itr_coal_set(struct net_device *ndev) struct fec_enet_private *fep = netdev_priv(ndev); int rx_itr, tx_itr; - if (!(fep->quirks & FEC_QUIRK_HAS_AVB)) - return; - /* Must be greater than zero to avoid unpredictable behavior */ if (!fep->rx_time_itr || !fep->rx_pkts_itr || !fep->tx_time_itr || !fep->tx_pkts_itr) @@ -2383,10 +2398,12 @@ static void fec_enet_itr_coal_set(struct net_device *ndev) writel(tx_itr, fep->hwp + FEC_TXIC0); writel(rx_itr, fep->hwp + FEC_RXIC0); - writel(tx_itr, fep->hwp + FEC_TXIC1); - writel(rx_itr, fep->hwp + FEC_RXIC1); - writel(tx_itr, fep->hwp + FEC_TXIC2); - writel(rx_itr, fep->hwp + FEC_RXIC2); + if (fep->quirks & FEC_QUIRK_HAS_AVB) { + writel(tx_itr, fep->hwp + FEC_TXIC1); + writel(rx_itr, fep->hwp + FEC_RXIC1); + writel(tx_itr, fep->hwp + FEC_TXIC2); + writel(rx_itr, fep->hwp + FEC_RXIC2); + } } static int @@ -2394,7 +2411,7 @@ fec_enet_get_coalesce(struct net_device *ndev, struct ethtool_coalesce *ec) { struct fec_enet_private *fep = netdev_priv(ndev); - if (!(fep->quirks & FEC_QUIRK_HAS_AVB)) + if (!(fep->quirks & FEC_QUIRK_HAS_COALESCE)) return -EOPNOTSUPP; ec->rx_coalesce_usecs = fep->rx_time_itr; @@ -2412,7 +2429,7 @@ fec_enet_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *ec) struct fec_enet_private *fep = netdev_priv(ndev); unsigned int cycle; - if (!(fep->quirks & FEC_QUIRK_HAS_AVB)) + if (!(fep->quirks & FEC_QUIRK_HAS_COALESCE)) return -EOPNOTSUPP; if (ec->rx_max_coalesced_frames > 255) { @@ -2818,6 +2835,9 @@ fec_enet_open(struct net_device *ndev) if (ret) goto err_enet_mii_probe; + if (fep->quirks & FEC_QUIRK_ERR006687) + imx6q_cpuidle_fec_irqs_used(); + napi_enable(&fep->napi); phy_start(ndev->phydev); netif_tx_start_all_queues(ndev); @@ -2853,6 +2873,9 @@ fec_enet_close(struct net_device *ndev) phy_disconnect(ndev->phydev); + if (fep->quirks & FEC_QUIRK_ERR006687) + imx6q_cpuidle_fec_irqs_unused(); + fec_enet_clk_enable(ndev, false); pinctrl_pm_select_sleep_state(&fep->pdev->dev); pm_runtime_mark_last_busy(&fep->pdev->dev); @@ -3191,7 +3214,12 @@ static void fec_reset_phy(struct platform_device *pdev) dev_err(&pdev->dev, "failed to get phy-reset-gpios: %d\n", err); return; } - msleep(msec); + + if (msec > 20) + msleep(msec); + else + usleep_range(msec * 1000, msec * 1000 + 1000); + gpio_set_value_cansleep(phy_reset, !active_high); } #else /* CONFIG_OF */ @@ -3292,6 +3320,11 @@ fec_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ndev); + if ((of_machine_is_compatible("fsl,imx6q") || + of_machine_is_compatible("fsl,imx6dl")) && + !of_property_read_bool(np, "fsl,err006687-workaround-present")) + fep->quirks |= FEC_QUIRK_ERR006687; + if (of_get_property(np, "fsl,magic-packet", NULL)) fep->wol_flag |= FEC_WOL_HAS_MAGIC_PACKET; -- cgit v1.2.3