REG_LINECTRL
mxs_write(ctrl, s, REG_LINECTRL);
mxs_set(AUART_LINECTRL_FEN, s, REG_LINECTRL);
mxs_set(AUART_LINECTRL_BRK, s, REG_LINECTRL);
mxs_clr(AUART_LINECTRL_BRK, s, REG_LINECTRL);
lcr_h = mxs_read(s, REG_LINECTRL);
quot = ((mxs_read(s, REG_LINECTRL) & AUART_LINECTRL_BAUD_DIVINT_MASK))
quot |= ((mxs_read(s, REG_LINECTRL) & AUART_LINECTRL_BAUD_DIVFRAC_MASK))
[REG_LINECTRL] = ASM9260_HW_LINECTRL,
[REG_LINECTRL] = AUART_LINECTRL,