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Registered: ‎02-17-2020

FSBL and GTH lock

We have a design with SDI-TX and we generated the FSBL before adding the SDI IP and did not regenerate it with the latest design. When booting and trying to read registers in the PL with devmem everything look ok. The only issue is the GTH will not lock. After recompiling the FSBL from the latest design the GT could finally lock.

We wonder how the FSBL is playing a part in the configuration of the GTH such that it works just by updating it with the latest design ?

We do suspect that the FSBL configures the power domains but could not find it in the code. Does anyone know what kind of relationship between the FSBL and the GTH could there be?

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