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path: root/drivers/net/fm/eth.c
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Diffstat (limited to 'drivers/net/fm/eth.c')
-rw-r--r--drivers/net/fm/eth.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/net/fm/eth.c b/drivers/net/fm/eth.c
index 218a5ed1750..137886c2f3c 100644
--- a/drivers/net/fm/eth.c
+++ b/drivers/net/fm/eth.c
@@ -39,9 +39,14 @@ static void dtsec_configure_serdes(struct fm_eth *priv)
u32 value;
struct mii_dev bus;
bus.priv = priv->mac->phyregs;
+ bool sgmii_2500 = (priv->enet_if ==
+ PHY_INTERFACE_MODE_SGMII_2500) ? true : false;
+
+ /* SGMII IF mode + AN enable only for 1G SGMII, not for 2.5G */
+ value = PHY_SGMII_IF_MODE_SGMII;
+ if (!sgmii_2500)
+ value |= PHY_SGMII_IF_MODE_AN;
- /* SGMII IF mode + AN enable */
- value = PHY_SGMII_IF_MODE_AN | PHY_SGMII_IF_MODE_SGMII;
memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x14, value);
/* Dev ability according to SGMII specification */
@@ -54,7 +59,9 @@ static void dtsec_configure_serdes(struct fm_eth *priv)
memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x12, 0xd40);
/* Restart AN */
- value = PHY_SGMII_CR_DEF_VAL | PHY_SGMII_CR_RESET_AN;
+ value = PHY_SGMII_CR_DEF_VAL;
+ if (!sgmii_2500)
+ value |= PHY_SGMII_CR_RESET_AN;
memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0, value);
#else
struct dtsec *regs = priv->mac->base;
@@ -83,7 +90,8 @@ static void dtsec_init_phy(struct eth_device *dev)
out_be32(&regs->tbipa, CONFIG_SYS_TBIPA_VALUE);
#endif
- if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII)
+ if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII ||
+ fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII_2500)
dtsec_configure_serdes(fm_eth);
}