From 39b5218434d38715a85b7bd6dd8d279c3e1e905d Mon Sep 17 00:00:00 2001 From: Pawel Dembicki Date: Mon, 19 Feb 2018 22:15:56 +0100 Subject: [PATCH] ramips: mt7620: power up ephy port 4 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 [clarify issue in commit message] Signed-off-by: Mathias Kresin --- .../ramips/files-4.14/drivers/net/ethernet/mtk/gsw_mt7620.c | 1 + .../linux/ramips/files-4.9/drivers/net/ethernet/mtk/gsw_mt7620.c | 1 + 2 files changed, 2 insertions(+) diff --git a/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/gsw_mt7620.c b/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/gsw_mt7620.c index b675ad0c4a..4093f09d41 100644 --- a/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/gsw_mt7620.c +++ b/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/gsw_mt7620.c @@ -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"); } } diff --git a/target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/gsw_mt7620.c b/target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/gsw_mt7620.c index b675ad0c4a..4093f09d41 100644 --- a/target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/gsw_mt7620.c +++ b/target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/gsw_mt7620.c @@ -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"); } }