CPSW2_PORT_VLAN
slave_write(slave, slave->port_vlan, CPSW2_PORT_VLAN);
CPSW2_PORT_VLAN;
CPSW2_PORT_VLAN;
CPSW2_PORT_VLAN;
int reg = CPSW2_PORT_VLAN;
int reg = CPSW2_PORT_VLAN;