EM_REGSHIFT
PODULE_ETHERM, EM_REGSHIFT,
#define EM_NIC_SIZE (NE2000_NIC_NPORTS << EM_REGSHIFT)
#define EM_ASIC_OFFSET (EM_NIC_OFFSET + (NE2000_ASIC_OFFSET << EM_REGSHIFT))
#define EM_ASIC_SIZE (NE2000_ASIC_NPORTS << EM_REGSHIFT)