diff options
Diffstat (limited to 'drivers/net/phy/marvell10g.c')
| -rw-r--r-- | drivers/net/phy/marvell10g.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c index d4c2e62b2439..a7610eb55f30 100644 --- a/drivers/net/phy/marvell10g.c +++ b/drivers/net/phy/marvell10g.c @@ -80,6 +80,8 @@ enum { MV_V2_PORT_CTRL = 0xf001, MV_V2_PORT_CTRL_SWRST = BIT(15), MV_V2_PORT_CTRL_PWRDOWN = BIT(11), + MV_V2_PORT_MAC_TYPE_MASK = 0x7, + MV_V2_PORT_MAC_TYPE_RATE_MATCH = 0x6, /* Temperature control/read registers (88X3310 only) */ MV_V2_TEMP_CTRL = 0xf08a, MV_V2_TEMP_CTRL_MASK = 0xc000, @@ -91,6 +93,7 @@ enum { struct mv3310_priv { u32 firmware_ver; + bool rate_match; struct device *hwmon_dev; char *hwmon_name; @@ -458,7 +461,9 @@ static bool mv3310_has_pma_ngbaset_quirk(struct phy_device *phydev) static int mv3310_config_init(struct phy_device *phydev) { + struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); int err; + int val; /* Check that the PHY interface type is compatible */ if (phydev->interface != PHY_INTERFACE_MODE_SGMII && @@ -475,6 +480,12 @@ static int mv3310_config_init(struct phy_device *phydev) if (err) return err; + val = phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL); + if (val < 0) + return val; + priv->rate_match = ((val & MV_V2_PORT_MAC_TYPE_MASK) == + MV_V2_PORT_MAC_TYPE_RATE_MATCH); + /* Enable EDPD mode - saving 600mW */ return mv3310_set_edpd(phydev, ETHTOOL_PHY_EDPD_DFLT_TX_MSECS); } @@ -581,6 +592,17 @@ static int mv3310_aneg_done(struct phy_device *phydev) static void mv3310_update_interface(struct phy_device *phydev) { + struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev); + + /* In "XFI with Rate Matching" mode the PHY interface is fixed at + * 10Gb. The PHY adapts the rate to actual wire speed with help of + * internal 16KB buffer. + */ + if (priv->rate_match) { + phydev->interface = PHY_INTERFACE_MODE_10GBASER; + return; + } + if ((phydev->interface == PHY_INTERFACE_MODE_SGMII || phydev->interface == PHY_INTERFACE_MODE_2500BASEX || phydev->interface == PHY_INTERFACE_MODE_10GBASER) && |