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Is T4240QDS SRIO Internal Loopback Possible?

Question asked by Jesse McCall on Jul 28, 2016
Latest reply on Jul 28, 2016 by Pavel Chubakov


Hello,

 

I'm trying to modify the code in Document AN4972 to create a SRIO Loopback test on a single instead of transmitting it to a secondary board. I was wondering if it was, in fact, possible to even create an internal loopback for SRIO.

 

I saw the SerDes ports had a register (SerDesx_LNnTCSR3) for each lane of each SerDes controller. I was wondering if this meant that SRIO also could be looped back from TX to RX by enabling this register or if an entire slew of registers needed to be changed.

 

Thank you!

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