diff options
| author | Philippe Schenker <philippe.schenker@toradex.com> | 2018-11-21 15:30:58 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2018-12-20 02:51:15 +0100 |
| commit | f131579d715283e6ff7ded77bcb4271e31803ad7 (patch) | |
| tree | e75d8a6654b8a7bc9704c07ab4f4497475e697ac | |
| parent | 7e4af65ed85d0e1cea4551d3f77fb473932a5566 (diff) | |
phy: ksz9031: Center FLP timing at 16ms
This patch centers the timing around 16ms instead of 8ms as it is in
reset.
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
| -rw-r--r-- | board/toradex/apalis_imx6/apalis_imx6.c | 2 | ||||
| -rw-r--r-- | drivers/net/phy/micrel.c | 22 | ||||
| -rw-r--r-- | include/micrel.h | 1 |
3 files changed, 23 insertions, 2 deletions
diff --git a/board/toradex/apalis_imx6/apalis_imx6.c b/board/toradex/apalis_imx6/apalis_imx6.c index e42d9bd253..b2bb875789 100644 --- a/board/toradex/apalis_imx6/apalis_imx6.c +++ b/board/toradex/apalis_imx6/apalis_imx6.c @@ -480,6 +480,8 @@ int board_mmc_init(bd_t *bis) int board_phy_config(struct phy_device *phydev) { + ksz9031_center_flp_timing(phydev); + mx6_rgmii_rework(phydev); if (phydev->drv->config) phydev->drv->config(phydev); diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 28a1401883..45db511764 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -436,9 +436,27 @@ static int ksz9031_of_config(struct phy_device *phydev) { return 0; } -static int ksz9031_center_flp_timing(struct phy_device *phydev) +int ksz9031_center_flp_timing(struct phy_device *phydev) { - return 0; + struct phy_driver *drv = phydev->drv; + int ret = 0; + + if (!drv || !drv->writeext) + return -EOPNOTSUPP; + + ret = drv->writeext(phydev, 0, 0, MII_KSZ9031_FLP_BURST_TX_LO, 0x1A80); + if (ret) { + puts("Write failed"); + return ret; + } + + ret = drv->writeext(phydev, 0, 0, MII_KSZ9031_FLP_BURST_TX_HI, 0x6); + if (ret) { + puts("Write failed"); + return ret; + } + + return genphy_restart_aneg(phydev); } #endif diff --git a/include/micrel.h b/include/micrel.h index 3e6b5312d8..783dc634e2 100644 --- a/include/micrel.h +++ b/include/micrel.h @@ -35,5 +35,6 @@ int ksz9031_phy_extended_write(struct phy_device *phydev, int devaddr, int regnum, u16 mode, u16 val); int ksz9031_phy_extended_read(struct phy_device *phydev, int devaddr, int regnum, u16 mode); +int ksz9031_center_flp_timing(struct phy_device *phydev); #endif |