> Yes, this is what I have done at the beginning. At first I only > set up the phy setting and not set the config in the syscon. > But I got a weird thing: the phy lookback test is timeout. > Although the datasheet told it just adds a internal delay for > the phy, I suspect sophgo does something more to set this delay. You need to understand what is going on here. Just because it works does not mean it is correct. Andrew
