CTR1_SDW_LOG2
u32 sdw = 1 << FIELD_GET(CTR1_SDW_LOG2, ctr1);
_ctr1 |= FIELD_PREP(CTR1_SDW_LOG2, ilog2(sdw));
_ctr1 |= FIELD_PREP(CTR1_SDW_LOG2, ilog2(sdw));
_ctr1 |= FIELD_PREP(CTR1_SDW_LOG2, ilog2(sdw));