SK_TFCTL_OPERATION_ON
SK_IF_WRITE_2(sc_if, 0, SK_TXMF1_CTRL_TEST, SK_TFCTL_OPERATION_ON);
v = SK_TFCTL_OPERATION_ON;
v = SK_TFCTL_OPERATION_ON | SK_RFCTL_FIFO_FLUSH_ON;
SK_IF_WRITE_2(sc_if, 0, SK_TXMF1_CTRL_TEST, SK_TFCTL_OPERATION_ON);