MV88E6390_PORT_MAC_CTL_FORCE_SPEED
reg &= ~MV88E6390_PORT_MAC_CTL_FORCE_SPEED;
ctrl |= MV88E6390_PORT_MAC_CTL_FORCE_SPEED;
MV88E6390_PORT_MAC_CTL_FORCE_SPEED);
reg |= MV88E6390_PORT_MAC_CTL_FORCE_SPEED;