3.10.65 TZIC

ARM TrustZone Interrupt Controller(SP890). This model is written in LISA+.

TZIC contains the following CADI targets:

  • TZIC

TZIC contains the following MTI components:

TZIC - about

The TZIC provides a software interface to the secure interrupt system in a TrustZone® design. It provides secure control of the nFIQ and masks out the interrupt sources chosen for nFIQ from the interrupts that are passed onto a non-secure interrupt controller.

Table 3-402 Ports

Name Protocol Type Description
fiq_out Signal Master FIQ interrupt to processor.
input[32] Signal Slave 32 interrupt input sources.
irq_out[32] Signal Master 32 IRQ output ports.
nsfiq_in Signal Slave Connects to the nFIQ output of the non-secure interrupt controller.
pvbus PVBus Slave Slave port for connection to PV bus master/decoder.
sfiq_in Signal Slave Daisy chaining secure FIQ input, otherwise connects to logic 1 if interrupt controller not daisy chained.
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