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ethernet: stmmac: dwmac-rk: Fix Dribble bit error at 10M mode

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At the 10M mode, gmac can detect odd nibbles package sometimes,
this is valid at mii mode. Make 25M at init for rmii mode, can
solve the issue by tests.

Signed-off-by: David Wu <david.wu@rock-chips.com>
Change-Id: I22dc619fbc9983d4b58efc42c5c92d0f8c8aaab5
This commit is contained in:
David Wu
2023-05-30 10:28:58 +08:00
committed by Tao Huang
parent c5e85bafa0
commit 757588ef41
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+4 -2
View File
@@ -1446,7 +1446,8 @@ static void rk3528_set_to_rmii(struct rk_priv_data *bsp_priv)
RK3528_GMAC1_PHY_INTF_SEL_RMII);
else
regmap_write(bsp_priv->grf, RK3528_VO_GRF_GMAC_CON,
RK3528_GMAC0_PHY_INTF_SEL_RMII);
RK3528_GMAC0_PHY_INTF_SEL_RMII |
RK3528_GMAC0_CLK_RMII_DIV2);
}
static void rk3528_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
@@ -2022,7 +2023,8 @@ static void rv1106_set_to_rmii(struct rk_priv_data *bsp_priv)
}
regmap_write(bsp_priv->grf, RV1106_VOGRF_GMAC_CLK_CON,
RV1106_VOGRF_MACPHY_RMII_MODE);
RV1106_VOGRF_MACPHY_RMII_MODE |
RV1106_VOGRF_GMAC_CLK_RMII_DIV2);
}
static void rv1106_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)