From: Grygorii Strashko Date: Sun, 30 Aug 2020 17:34:32 +0000 (+0300) Subject: net: ethernet: ti: am65-cpsw: fix rmii 100Mbit link mode X-Git-Tag: baikal/aarch64/sdk6.1~8461^2~15 X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=bfe788ae120d7fe649440b2b9af2ebade7c48b9a;p=kernel.git 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: e7364a21077b ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver") Signed-off-by: Grygorii Strashko Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index cb994f66c3be2..9baf3f3da91e1 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;