TX39_IRCTRL2_DELAYVAL_SHIFT
((cr) | (((val) << TX39_IRCTRL2_DELAYVAL_SHIFT) & \
(TX39_IRCTRL2_DELAYVAL_MASK << TX39_IRCTRL2_DELAYVAL_SHIFT)))
((cr) &= ~(TX39_IRCTRL2_DELAYVAL_MASK << TX39_IRCTRL2_DELAYVAL_SHIFT))