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<
Hammdist>
on colorlight 5a-75b is there PHY initialization required?
<
Hammdist>
i.e., through MDIO?
<
sensille>
i don't think so, not totally sure. but it just worked with litex
<
sensille>
you only have to be careful with the reset line as it stops the clock (or was it on 5a-75e?)
<
Hammdist>
I know litex works on it but maybe the firmware is doing mdio commands? if so I would like to get a code pointer to that ...
<
Hammdist>
litex/soc/software/libliteeth/mdio.c indeed there is code for interacting with mdio through csr
<
Hammdist>
still not sure what, if anything, invokes it though
<
Hammdist>
litex/soc/software/bios/cmds/cmd_liteeth.c the bios, for one thing
<
Hammdist>
but that's not an initialization sequence that's just if you want to send mdio commands manually
<
Hammdist>
I haven't actually found the code of crg_reset but I think that's how it is
<
Hammdist>
this would mean it's probably OK to not initialize the PHY through MDIO
<
Hoernchen>
there is in theory nothing you need to do unless you want to turn off autonegotiation for <1gbit or shift the interface delay
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Hammdist>
thanks for confirming
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