On Fri, Dec 23, 2016 at 10:18 AM, Eric Wong <[email protected]> wrote: > But my interrupt is not active low, it is rising-edge. The signal > just idles high and I want the interrupt to trigger on the rising > trailing edge of a negative pulse in the signal. > > Supporting only active-high and rising-edge interrupts does sort of > imply the signal should idle low. Though it doesn't strictly rule out > a signal idling high and interrupting on the rising trailing edge of a > negative pulse, but something apparently can't handle the interrupt > signal idling high even if it's a rising edge trigger.
The other confounding thing is that this kind of interrupt handling (idle high, trigger on rising trailing edge) works without Linux/CPU0 in the picture. If I run only the CPU1 firmware via JTAG, it works. -- _______________________________________________ meta-xilinx mailing list [email protected] https://lists.yoctoproject.org/listinfo/meta-xilinx
