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SDK support on PRU MIIx RXER connecting a OR gate with COL and RXERR from PHY with AM335x

I found in AM335x ICE schematic rev 2.1A sheet 10 that PRU MIIx RXER is connecting to signals COL and RXERR from PHY through a OR gate. Is there any special code to support this topology?

There are two no load resistor R139 and R138. What is the purpose? Should I put resistor pads there?

Thanks,

Frank