diff options
| author | Weijie Gao <[email protected]> | 2024-12-17 16:39:59 +0800 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2024-12-31 10:58:52 -0600 |
| commit | b9dfb5636bc5eb9b783b88b8388dc7d1f41d6498 (patch) | |
| tree | 1187b2b4569325b056499a42a2e715f1c7eacc29 | |
| parent | 5ac929fd1ab1d0dc77b9167952aea7cafdb8619f (diff) | |
net: mediatek: don't enable GDMA cpu bridge unconditionally for NETSYSv3
Enable GDMA cpu bridge only when 10Gb interface is enabled for GMAC other
than GMAC0, or when MT7988 internal switch is used.
Signed-off-by: Weijie Gao <[email protected]>
| -rw-r--r-- | drivers/net/mtk_eth.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/net/mtk_eth.c b/drivers/net/mtk_eth.c index d3f29e4a0d0..888e8c1e855 100644 --- a/drivers/net/mtk_eth.c +++ b/drivers/net/mtk_eth.c @@ -1762,10 +1762,16 @@ static int mtk_eth_start(struct udevice *dev) if (priv->sw == SW_MT7988 && priv->gmac_id == 0) { mtk_gdma_write(priv, priv->gmac_id, GDMA_IG_CTRL_REG, GDMA_BRIDGE_TO_CPU); - } - mtk_gdma_write(priv, priv->gmac_id, GDMA_EG_CTRL_REG, - GDMA_CPU_BRIDGE_EN); + mtk_gdma_write(priv, priv->gmac_id, GDMA_EG_CTRL_REG, + GDMA_CPU_BRIDGE_EN); + } else if ((priv->phy_interface == PHY_INTERFACE_MODE_USXGMII || + priv->phy_interface == PHY_INTERFACE_MODE_10GBASER || + priv->phy_interface == PHY_INTERFACE_MODE_XGMII) && + priv->gmac_id != 0) { + mtk_gdma_write(priv, priv->gmac_id, GDMA_EG_CTRL_REG, + GDMA_CPU_BRIDGE_EN); + } } udelay(500); |