diff options
| author | Grygorii Strashko <grygorii.strashko@ti.com> | 2020-08-30 20:34:32 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-08-31 13:06:35 -0700 |
| commit | c2f89219f559502c9292d79f695bab9dcec532d1 (patch) | |
| tree | 02ee30ad93160b00f0ee271f245fcfa3cdd371c9 | |
| parent | 6b6382a857d824c0866056d5736bbcb597a922ed (diff) | |
| download | lwn-c2f89219f559502c9292d79f695bab9dcec532d1.tar.gz lwn-c2f89219f559502c9292d79f695bab9dcec532d1.zip | |
net: ethernet: ti: am65-cpsw: fix rmii 100Mbit link mode
In RMII link mode it's required to set bit 15 IFCTL_A in MAC_SL MAC_CONTROL
register to enable support for 100Mbit link speed.
Fixes: 93a76530316a ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/ti/am65-cpsw-nuss.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index cb994f66c3be..9baf3f3da91e 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -174,6 +174,8 @@ void am65_cpsw_nuss_adjust_link(struct net_device *ndev) if (phy->speed == 10 && phy_interface_is_rgmii(phy)) /* Can be used with in band mode only */ mac_control |= CPSW_SL_CTL_EXT_EN; + if (phy->speed == 100 && phy->interface == PHY_INTERFACE_MODE_RMII) + mac_control |= CPSW_SL_CTL_IFCTL_A; if (phy->duplex) mac_control |= CPSW_SL_CTL_FULLDUPLEX; |