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| author | Soeren Moch <smoch@web.de> | 2016-11-27 15:02:19 (GMT) |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2016-11-29 15:33:50 (GMT) |
| commit | 84a62ca85d559c94779e985ea5e071aec3395bc5 (patch) | |
| tree | ede900e314ce59b21b6a8f5f5966c9f8e79c2bb3 /board/tbs/tbs2910 | |
| parent | 15fde0fc11f93f19f40c9cda36e7c8d4848d9c75 (diff) | |
| download | u-boot-84a62ca85d559c94779e985ea5e071aec3395bc5.tar.xz | |
tbs2910: Make Ethernet functional again
Configure the PHY to output a 125MHz clk from CLK_25M and set tx clock delay.
This patch is similar to commit 4b6035da482cccda06aeb419634f99937c9fc783
("mx6sabresd: Make Ethernet functional again").
Signed-off-by: Soeren Moch <smoch@web.de>
Diffstat (limited to 'board/tbs/tbs2910')
| -rw-r--r-- | board/tbs/tbs2910/tbs2910.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/board/tbs/tbs2910/tbs2910.c b/board/tbs/tbs2910/tbs2910.c index 0d9d17a..db0c58f 100644 --- a/board/tbs/tbs2910/tbs2910.c +++ b/board/tbs/tbs2910/tbs2910.c @@ -359,6 +359,39 @@ static void setup_display(void) } #endif /* CONFIG_VIDEO_IPUV3 */ +static int ar8035_phy_fixup(struct phy_device *phydev) +{ + unsigned short val; + + /* To enable AR8035 ouput a 125MHz clk from CLK_25M */ + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); + + val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); + val &= 0xffe3; + val |= 0x18; + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); + + /* introduce tx clock delay */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5); + val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); + val |= 0x0100; + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val); + + return 0; +} + +int board_phy_config(struct phy_device *phydev) +{ + ar8035_phy_fixup(phydev); + + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + int board_eth_init(bd_t *bis) { setup_iomux_enet(); |