[openwrt/openwrt] ramips: mt7620: enable autonegotiation for all ports

[LEDE Commits]

ynezz pushed a commit to openwrt/openwrt.git, branch openwrt-21.02:
https://git.openwrt.org/c652a06eefc03a69dfc509880313f44e44c7966a

commit c652a06eefc03a69dfc509880313f44e44c7966a
Author: Gaspare Bruno <gaspare at anlix.io>
AuthorDate: Wed Jan 13 18:03:39 2021 -0300

    ramips: mt7620: enable autonegotiation for all ports
    
    This enables autonegotiation for all ephy ports on probe.
    Some devices do not configure the ports, particularly port 4.
    
    Signed-off-by: Gaspare Bruno <gaspare at anlix.io>
    [replace magic values ; reword commit message]
    Signed-off-by: David Bauer <mail at david-bauer.net>
    (cherry picked from commit 0056ffb468f40f34bea006eb889b70c9a4f562e0)
---
 target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c
index 451881fc73..0b09814cc8 100644
--- a/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c
+++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c
@@ -171,6 +171,7 @@ static void mt7620_hw_init(struct mt7620_gsw *gsw, int mdio_mode)
 		for (i = 0; i <= 4; i++) {
 			val = _mt7620_mii_read(gsw, gsw->ephy_base + i, MII_BMCR);
 			val &= ~BMCR_PDOWN;
+			val |= BMCR_ANRESTART | BMCR_ANENABLE | BMCR_SPEED100;
 			_mt7620_mii_write(gsw, gsw->ephy_base + i, MII_BMCR, val);
 		}
 	}