SCU_PCSPExCR_WRITE
SCU_PCSPExCR_WRITE(this_port, the_phy->phy_index, the_phy->phy_index);
SCU_PCSPExCR_WRITE( destination_port, the_phy->phy_index, the_phy->phy_index);
SCU_PCSPExCR_WRITE( \