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ramips: mt7620: power up ephy port 4

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In some boards port 4 of mt7620 switch is powered down in bootloader
configuration as lan/wan package leak mitigation.

Reset ephy port 4 to default settings to power up the port.

Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
[clarify issue in commit message]
Signed-off-by: Mathias Kresin <dev@kresin.me>
This commit is contained in:
Pawel Dembicki 2018-02-19 22:15:56 +01:00 committed by Mathias Kresin
parent b562c0c91b
commit 39b5218434
2 changed files with 2 additions and 0 deletions
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1
target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/gsw_mt7620.c
View file

@ -166,6 +166,7 @@ static void mt7620_hw_init(struct mt7620_gsw *gsw, struct device_node *np)
_mt7620_mii_write(gsw, 4, 30, 0xa000);
_mt7620_mii_write(gsw, 4, 4, 0x05e1);
_mt7620_mii_write(gsw, 4, 16, 0x1313);
_mt7620_mii_write(gsw, 4, 0, 0x3100);
pr_info("gsw: setting port4 to ephy mode\n");
}
}

1
target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/gsw_mt7620.c
View file

@ -166,6 +166,7 @@ static void mt7620_hw_init(struct mt7620_gsw *gsw, struct device_node *np)
_mt7620_mii_write(gsw, 4, 30, 0xa000);
_mt7620_mii_write(gsw, 4, 4, 0x05e1);
_mt7620_mii_write(gsw, 4, 16, 0x1313);
_mt7620_mii_write(gsw, 4, 0, 0x3100);
pr_info("gsw: setting port4 to ephy mode\n");
}
}