TX_EQTR_ADAPT_LENGTH_L0L1L2L3_SHIFT
(TX_EQTR_ADAPT_RESERVED << TX_EQTR_ADAPT_LENGTH_L0L1L2L3_SHIFT);
(adapt_length_l0l1l2l3 << TX_EQTR_ADAPT_LENGTH_L0L1L2L3_SHIFT);