On Fri, Oct 19, 2018 at 05:15:03PM +0200, Richard Genoud wrote: > When there's a CRC error, the TXCLK has its polarity inverted... > That's a clue ! > > But this TXCLK (25MHz) is not used on the g35-ek. > Only the REFCLK/XT2 (50MHz) is used to synchronise the PHY and the macb. > So I guess that the TXCLK has a role to play to generate TX+/TX-
Well, just a stupid idea, maybe when this signal is inverted, the TX+/TX- are desynchronized by half a clock and are not always properly interpreted on the other side ? Willy
