int mvgbe_initialize(bd_t *bis);
int mvneta_initialize(bd_t *bis, int base_addr, int devnum, int phy_addr);
int natsemi_initialize(bd_t *bis);
int mvgbe_initialize(bd_t *bis);
int mvneta_initialize(bd_t *bis, int base_addr, int devnum, int phy_addr);
int natsemi_initialize(bd_t *bis);