AM6411: Instructions to set loopback and RC for PCIe Compliance Testing

Rohit Naidu

Part Number: AM6411

Tool/software:

Hello,

We’d like to do some PCIE compliance test on our AM6411 EP pcie card. Could you please let us know how to set the AM6411 TX and RX into the compliance test mode for TI SDK?

Thanks

over 1 year ago

0 Ashwani Goel over 1 year ago

TI__Mastermind 28490 points

Hi Rohit Naidu,

Thanks for your query.

This is related to SW (RTOS or Linux) or HW ?

Regards

Ashwani

0 Rohit Naidu over 1 year ago in reply to Ashwani Goel

TI__Prodigy 690 points

Hi Ashwani,

This is for Linux.

Thanks,

Rohit

0 Ashwani Goel over 1 year ago in reply to Rohit Naidu

TI__Mastermind 28490 points

Hi Rohit,

Thanks for update.

I am forwarding you query to PCIE (Linux domain) expert.

Regards

Ashwani

0 Bin Liu over 1 year ago in reply to Rohit Naidu

TI__Guru**** 181576 points

Hi Rohit,

Please see DK's response in the link below.

https://e2e.ti.com/support/processors-group/processors/f/processors-forum/832190/am5746-pcie-compliance-test/3092306#3092306

All valid PCIe code works for TX electrical compliance. The PCIe controller will automatically go into TX compliance mode when 50ohm termination (ex. test equipment) is detected on the lines. 1ms pulses of 100MHz Refclk on the RX line will automatically toggle the TX output between Gen1, Gen2_3p5dB, and Gen2_5dB. This is all defined/mandated by the PCIe specification.

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AM6411: Instructions to set loopback and RC for PCIe Compliance Testing