May I know what resources are avalable to the Cortex-M4 core in iMX8M mini SoC? I mean DRAM memory ranges and peripherals? For example can M4 access PCI devices?
I saw both GIC and PCI in CM4 memory map. Does this mean that CM4 can also work with GIC for interruption handling? or CM4 just can only change settings and GIC interrupts are for CA53 cores?
The interruption handling for Cortex-M is done with a Nested Vectored Interrupt Controller (NVIC) that is closely integrated with the processor core to achieve low-latency interrupt processing.
