Can the Hard IP for PCI Express initiate PCI Express loopback?

Description

Only Root Port configurations of the Altera®  Hard IP for PCI Express® support loopback mastering.

Endpoint configurations support loopback slave entry.

Resolution

To initiate PCI Express loopback mastering when configured as a Root Port, set the hip_ctrl_test_in to 32\'hAA.

For normal operation set hip_ctrl_test_in to 32\'hA8.