diff options
| author |   Lendacky, Thomas <Thomas.Lendacky@amd.com> | 2017-08-18 09:02:27 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-08-18 16:30:16 -0700 |
| commit | f087b506ff5c38e0f2873651dba4e2b73a1b2d67 (patch) | |
| tree | 6e6a735e5d2fd7dbb36a906348ca4071361d0b0f /drivers/net/ethernet/amd/xgbe/xgbe-mdio.c | |
| parent | amd-xgbe: Set the MDIO mode for 10000Base-T configuration (diff) | |
| download | linux-dev-f087b506ff5c38e0f2873651dba4e2b73a1b2d67.tar.xz linux-dev-f087b506ff5c38e0f2873651dba4e2b73a1b2d67.zip | |
amd-xgbe: Set the MII control width for the MAC interface
When running in SGMII mode at speeds below 1000Mbps, the auto-negotition
control register must set the MII control width for the MAC interface
to be 8-bits wide. By default the width is 4-bits.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-mdio.c')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-mdio.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c index 80684914dd8a..2222bbf8d0a4 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c @@ -982,6 +982,8 @@ static void xgbe_an37_init(struct xgbe_prv_data *pdata) break; } + reg |= XGBE_AN_CL37_MII_CTRL_8BIT; + XMDIO_WRITE(pdata, MDIO_MMD_VEND2, MDIO_VEND2_AN_CTRL, reg); netif_dbg(pdata, link, pdata->netdev, "CL37 AN (%s) initialized\n", |