diff options
Diffstat (limited to 'drivers/net/ethernet/renesas/ravb_main.c')
| -rw-r--r-- | drivers/net/ethernet/renesas/ravb_main.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 301f48755093..9d8320edea53 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -1920,6 +1920,23 @@ static void ravb_set_config_mode(struct net_device *ndev) } } +/* Set tx and rx clock internal delay modes */ +static void ravb_set_delay_mode(struct net_device *ndev) +{ + struct ravb_private *priv = netdev_priv(ndev); + int set = 0; + + if (priv->phy_interface == PHY_INTERFACE_MODE_RGMII_ID || + priv->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) + set |= APSR_DM_RDM; + + if (priv->phy_interface == PHY_INTERFACE_MODE_RGMII_ID || + priv->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) + set |= APSR_DM_TDM; + + ravb_modify(ndev, APSR, APSR_DM, set); +} + static int ravb_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -2032,6 +2049,9 @@ static int ravb_probe(struct platform_device *pdev) /* Request GTI loading */ ravb_modify(ndev, GCCR, GCCR_LTI, GCCR_LTI); + if (priv->chip_id != RCAR_GEN2) + ravb_set_delay_mode(ndev); + /* Allocate descriptor base address table */ priv->desc_bat_size = sizeof(struct ravb_desc) * DBAT_ENTRY_NUM; priv->desc_bat = dma_alloc_coherent(ndev->dev.parent, priv->desc_bat_size, @@ -2168,6 +2188,9 @@ static int __maybe_unused ravb_resume(struct device *dev) /* Request GTI loading */ ravb_modify(ndev, GCCR, GCCR_LTI, GCCR_LTI); + if (priv->chip_id != RCAR_GEN2) + ravb_set_delay_mode(ndev); + /* Restore descriptor base address table */ ravb_write(ndev, priv->desc_bat_dma, DBAT); |