XCHAL_EXTINT5_NUM   20 arch/xtensa/platforms/xt2000/include/platform/serial.h #define DUART16552_2_INTNUM	XCHAL_EXTINT5_NUM
XCHAL_EXTINT5_NUM   29 arch/xtensa/platforms/xtfpga/include/platform/hardware.h #define C67X00_IRQ		XCHAL_EXTINT5_NUM