Current driver don't support 100/10M duplex half function.
This patch enable half duplex capability in hardware.
Signed-off-by: Biao Huang <biao.huang@xxxxxxxxxxxx>
Signed-off-by: Yinghua Pan <ot_yinghua.pan@xxxxxxxxxxxx>
---
drivers/net/ethernet/mediatek/mtk_star_emac.c | 30 ++++++++-----------
1 file changed, 12 insertions(+), 18 deletions(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_star_emac.c b/drivers/net/ethernet/mediatek/mtk_star_emac.c
index 87e5bc9c343a..67e85705b770 100644
--- a/drivers/net/ethernet/mediatek/mtk_star_emac.c
+++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c
@@ -883,32 +883,26 @@ static void mtk_star_phy_config(struct mtk_star_priv *priv)
val <<= MTK_STAR_OFF_PHY_CTRL1_FORCE_SPD;
val |= MTK_STAR_BIT_PHY_CTRL1_AN_EN;
- val |= MTK_STAR_BIT_PHY_CTRL1_FORCE_FC_RX;
- val |= MTK_STAR_BIT_PHY_CTRL1_FORCE_FC_TX;
- /* Only full-duplex supported for now. */
- val |= MTK_STAR_BIT_PHY_CTRL1_FORCE_DPX;
-
- regmap_write(priv->regs, MTK_STAR_REG_PHY_CTRL1, val);
-
if (priv->pause) {
- val = MTK_STAR_VAL_FC_CFG_SEND_PAUSE_TH_2K;
- val <<= MTK_STAR_OFF_FC_CFG_SEND_PAUSE_TH;
- val |= MTK_STAR_BIT_FC_CFG_UC_PAUSE_DIR;
+ val |= MTK_STAR_BIT_PHY_CTRL1_FORCE_FC_RX;
+ val |= MTK_STAR_BIT_PHY_CTRL1_FORCE_FC_TX;
+ val |= MTK_STAR_BIT_PHY_CTRL1_FORCE_DPX;
} else {
- val = 0;
+ val &= ~MTK_STAR_BIT_PHY_CTRL1_FORCE_FC_RX;
+ val &= ~MTK_STAR_BIT_PHY_CTRL1_FORCE_FC_TX;
+ val &= ~MTK_STAR_BIT_PHY_CTRL1_FORCE_DPX;
}
+ regmap_write(priv->regs, MTK_STAR_REG_PHY_CTRL1, val);
+ val = MTK_STAR_VAL_FC_CFG_SEND_PAUSE_TH_2K;
+ val <<= MTK_STAR_OFF_FC_CFG_SEND_PAUSE_TH;
+ val |= MTK_STAR_BIT_FC_CFG_UC_PAUSE_DIR;
regmap_update_bits(priv->regs, MTK_STAR_REG_FC_CFG,
MTK_STAR_MSK_FC_CFG_SEND_PAUSE_TH |
MTK_STAR_BIT_FC_CFG_UC_PAUSE_DIR, val);
- if (priv->pause) {
- val = MTK_STAR_VAL_EXT_CFG_SND_PAUSE_RLS_1K;
- val <<= MTK_STAR_OFF_EXT_CFG_SND_PAUSE_RLS;
- } else {
- val = 0;
- }
-
+ val = MTK_STAR_VAL_EXT_CFG_SND_PAUSE_RLS_1K;
+ val <<= MTK_STAR_OFF_EXT_CFG_SND_PAUSE_RLS;
regmap_update_bits(priv->regs, MTK_STAR_REG_EXT_CFG,
MTK_STAR_MSK_EXT_CFG_SND_PAUSE_RLS, val);
}
--
2.25.1
