How does #PinePhone handle Arm64 Interrupts? Let's find out ... With a little help from Apache #NuttX RTOS
#PinePhone Interrupts are complicated ... That's why we need a Generic Interrupt Controller to handle them
https://lupyuen.github.io/articles/interrupt?2#generic-interrupt-controller
Generic Interrupt Controller in #PinePhone is particularly problematic ... It was created 11 years ago for 32-bit Arm CPUs!
https://lupyuen.github.io/articles/interrupt?3#allwinner-a64-gic
@lupyuen What exactly are the implications of this?
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@kreyren We need to run an older version of the GIC Driver, and it seems to work fine: https://lupyuen.github.io/articles/interrupt?7#gic-version-2
