ref: 9a01a24aa53d55dc1f3c4a7c4bee13fe60b6467a
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)