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net: mediatek: don't enable GDMA cpu bridge unconditionally for NETSYSv3

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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 <weijie.gao@mediatek.com>
This commit is contained in:
Weijie Gao
2024-12-17 16:39:59 +08:00
committed by Tom Rini
parent 5ac929fd1a
commit b9dfb5636b
1 changed files with 9 additions and 3 deletions
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12
drivers/net/mtk_eth.c
View File

@@ -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);