Apply the proper setting for the reserved bits in SetDes Test and System Mode Control register
to avoid the voltage peak issue while we do the IEEE PHY comformance test
Signed-off-by: Ken Lin <yungching0725@gmail.com>
Acked-by: Akshay Bhat <akshay.bhat@timesys.com>
/* set debug port address: SerDes Test and System Mode Control */
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
/* enable rgmii tx clock delay */
/* set debug port address: SerDes Test and System Mode Control */
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
/* enable rgmii tx clock delay */
- phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
+ /* set the reserved bits to avoid board specific voltage peak issue*/
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3D47);