#include <linux/marvell_phy.h>
#include <linux/phy.h>
+#define MV_PHY_ALASKA_NBT_QUIRK_MASK 0xfffffffe
+#define MV_PHY_ALASKA_NBT_QUIRK_REV (MARVELL_PHY_ID_88X3310 | 0xa)
+
enum {
MV_PCS_BASE_T = 0x0000,
MV_PCS_BASE_R = 0x1000,
return mv3310_hwmon_config(phydev, true);
}
+/* Some PHYs in the Alaska family such as the 88X3310 and the 88E2010
+ * don't set bit 14 in PMA Extended Abilities (1.11), although they do
+ * support 2.5GBASET and 5GBASET. For these models, we can still read their
+ * 2.5G/5G extended abilities register (1.21). We detect these models based on
+ * the PMA device identifier, with a mask matching models known to have this
+ * issue
+ */
+static bool mv3310_has_pma_ngbaset_quirk(struct phy_device *phydev)
+{
+ if (!(phydev->c45_ids.devices_in_package & MDIO_DEVS_PMAPMD))
+ return false;
+
+ /* Only some revisions of the 88X3310 family PMA seem to be impacted */
+ return (phydev->c45_ids.device_ids[MDIO_MMD_PMAPMD] &
+ MV_PHY_ALASKA_NBT_QUIRK_MASK) == MV_PHY_ALASKA_NBT_QUIRK_REV;
+}
+
static int mv3310_config_init(struct phy_device *phydev)
{
/* Check that the PHY interface type is compatible */
if (ret)
return ret;
+ if (mv3310_has_pma_ngbaset_quirk(phydev)) {
+ val = phy_read_mmd(phydev, MDIO_MMD_PMAPMD,
+ MDIO_PMA_NG_EXTABLE);
+ if (val < 0)
+ return val;
+
+ linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
+ phydev->supported,
+ val & MDIO_PMA_NG_EXTABLE_2_5GBT);
+
+ linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
+ phydev->supported,
+ val & MDIO_PMA_NG_EXTABLE_5GBT);
+ }
+
return 0;
}