ref: 5b8382c37b41a5c7addbb74e96e18c7a6071eb45
dir: /sys/src/9/imx8/io.h/
enum {
	IRQfiq		= -1,
	PPI		= 16,
	SPI		= 32,
	IRQcntps	= PPI+13,
	IRQcntpns	= PPI+14,
	IRQlcdif	= SPI+5,
	IRQvpug1	= SPI+7,
	IRQvpug2	= SPI+8,
	IRQusdhc1	= SPI+22,
	IRQusdhc2	= SPI+23,
	IRQuart1	= SPI+26,
	IRQuart2	= SPI+27,
	IRQuart3	= SPI+28,
	IRQuart4	= SPI+29,
	IRQi2c1		= SPI+35,
	IRQi2c2		= SPI+36,
	IRQi2c3		= SPI+37,
	IRQi2c4		= SPI+38,
	IRQrdc		= SPI+39,
	IRQusb1		= SPI+40,
	IRQusb2		= SPI+41,
	IRQsctr0	= SPI+47,
	IRQsctr1	= SPI+48,
	IRQgpio1l	= SPI+64,
	IRQgpio1h	= SPI+65,
	IRQgpio2l	= SPI+66,
	IRQgpio2h	= SPI+67,
	IRQgpio3l	= SPI+68,
	IRQgpio3h	= SPI+69,
	IRQgpio4l	= SPI+70,
	IRQgpio4h	= SPI+71,
	IRQgpio5l	= SPI+72,
	IRQgpio5h	= SPI+73,
	IRQpci2		= SPI+74,
	IRQsai2		= SPI+96,
	IRQenet1	= SPI+118,
	IRQpci1		= SPI+122,
};
#define BUSUNKNOWN (-1)
#define PCIWINDOW	0
#define	PCIWADDR(x)	(PADDR(x)+PCIWINDOW)