The TrustZone environment is extended to the programmable logic.
PL TrustZone Extension
The AXI TrustZone signals are routed to the PL to extend the secure environment to the PL. The secure (encrypted) configure frame files are designed for the PL to be as secure as any other secure element in the PMC.
PL to PS AXI Interfaces
The security state of the PL to PS AXI interfaces is provided by the PL and can be downgraded to non-secure.
- LPD_SLCR_SECURE PL_AXI_LPD_TZ register
- FPD_SLCR_SECURE PL_AXI_FPD_TZ and PL_ACELITE_FPD_TZ registers