ref: 15a23fd99be64e7f22b97d0321cf1f6c954f5626
dir: /sys/src/9/bcm64/io.h/
#include "../bcm/io.h"
enum {
IRQgic = 160,
IRQpci = IRQgic + 20,
IRQether = IRQgic + 29,
};
#define PCIWINDOW soc.pcidmawin
#define PCIWADDR(va) (PADDR(va)+PCIWINDOW)