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-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmmii.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index e7651b3c6c57..420949cc55aa 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -299,9 +299,6 @@ int bcmgenet_mii_config(struct net_device *dev, bool init)
phy_name = "external RGMII (no delay)";
else
phy_name = "external RGMII (TX delay)";
- reg = bcmgenet_ext_readl(priv, EXT_RGMII_OOB_CTRL);
- reg |= RGMII_MODE_EN | id_mode_dis;
- bcmgenet_ext_writel(priv, reg, EXT_RGMII_OOB_CTRL);
bcmgenet_sys_writel(priv,
PORT_MODE_EXT_GPHY, SYS_PORT_CTRL);
break;
@@ -310,6 +307,15 @@ int bcmgenet_mii_config(struct net_device *dev, bool init)
return -EINVAL;
}
+ /* This is an external PHY (xMII), so we need to enable the RGMII
+ * block for the interface to work
+ */
+ if (priv->ext_phy) {
+ reg = bcmgenet_ext_readl(priv, EXT_RGMII_OOB_CTRL);
+ reg |= RGMII_MODE_EN | id_mode_dis;
+ bcmgenet_ext_writel(priv, reg, EXT_RGMII_OOB_CTRL);
+ }
+
if (init)
dev_info(kdev, "configuring instance for %s\n", phy_name);