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-rw-r--r--drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 9193cf61de26..1ca273f17d29 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -1513,10 +1513,21 @@ static void mvpp22_gop_init_rgmii(struct mvpp2_port *port)
regmap_write(priv->sysctrl_base, GENCONF_PORT_CTRL0, val);
regmap_read(priv->sysctrl_base, GENCONF_CTRL0, &val);
- if (port->gop_id == 2)
+ if (port->gop_id == 2) {
val |= GENCONF_CTRL0_PORT2_RGMII;
- else if (port->gop_id == 3)
+ } else if (port->gop_id == 3) {
val |= GENCONF_CTRL0_PORT3_RGMII_MII;
+
+ /* According to the specification, GENCONF_CTRL0_PORT3_RGMII
+ * should be set to 1 for RGMII and 0 for MII. However, tests
+ * show that it is the other way around. This is also what
+ * U-Boot does for mvpp2, so it is assumed to be correct.
+ */
+ if (port->phy_interface == PHY_INTERFACE_MODE_MII)
+ val |= GENCONF_CTRL0_PORT3_RGMII;
+ else
+ val &= ~GENCONF_CTRL0_PORT3_RGMII;
+ }
regmap_write(priv->sysctrl_base, GENCONF_CTRL0, val);
}
@@ -1615,6 +1626,7 @@ static int mvpp22_gop_init(struct mvpp2_port *port, phy_interface_t interface)
return 0;
switch (interface) {
+ case PHY_INTERFACE_MODE_MII:
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_RGMII_ID:
case PHY_INTERFACE_MODE_RGMII_RXID:
@@ -6915,8 +6927,11 @@ static int mvpp2_port_probe(struct platform_device *pdev,
MAC_10000FD;
}
- if (mvpp2_port_supports_rgmii(port))
+ if (mvpp2_port_supports_rgmii(port)) {
phy_interface_set_rgmii(port->phylink_config.supported_interfaces);
+ __set_bit(PHY_INTERFACE_MODE_MII,
+ port->phylink_config.supported_interfaces);
+ }
if (comphy) {
/* If a COMPHY is present, we can support any of the