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qwitza's avatar
qwitza
Icon for Occasional Contributor rankOccasional Contributor
3 years ago

Calculate skew timing with Cyclone V and ksz9031

hello, i have troubles with the ethernet bandwith and retransmissions (ack). after some diagnostic i think it is an timing issue. the wire length from the fpga -> knz9031 is: mil ...
Nurina's avatar
Nurina
Icon for Regular Contributor rankRegular Contributor
3 years ago

Also, may I know where are you adding these skew timing code? Is this directly applied to the KSZ9031 to adjust the skew?


qwitza's avatar
qwitza
Icon for Occasional Contributor rankOccasional Contributor
3 years ago

Hello,

we change the skew time in the device tree.

i think that it is applied, because the transfer speed and the retransmission error change with.

thanks a lot