DUART16552_INTNUM   23 arch/xtensa/platforms/xtfpga/include/platform/hardware.h #define DUART16552_INTNUM	XCHAL_EXTINT3_NUM
DUART16552_INTNUM   27 arch/xtensa/platforms/xtfpga/include/platform/hardware.h #define DUART16552_INTNUM	XCHAL_EXTINT0_NUM