is the definitive technical resource. Note that this specific document is often restricted and may require a non-disclosure agreement (NDA) to access via the NXP Community or representative.
Once the eFuses are programmed (or "blown") with the OEM’s public key hashes, the device enters a Secure State. From this point on, the hardware will only boot signed images. qoriq trust architecture 2.1 user guide
ISBC: ESBC verification passed. Trust Architecture 2.1: Secure boot enabled. is the definitive technical resource