ALC_PDLL_TRNS1
val = CSR_READ_4(sc, ALC_PDLL_TRNS1);
CSR_WRITE_4(sc, ALC_PDLL_TRNS1, val);
reg = CSR_READ_4(sc, ALC_PDLL_TRNS1);
CSR_WRITE_4(sc, ALC_PDLL_TRNS1, reg);