BCH_BHCNT_DEC_COUNT_SHIFT
max_value = BCH_BHCNT_DEC_COUNT_MASK >> BCH_BHCNT_DEC_COUNT_SHIFT;
reg |= (params->size + params->bytes) << BCH_BHCNT_DEC_COUNT_SHIFT;
#define BCH_BHCNT_DEC_COUNT_MASK (0x3ff << BCH_BHCNT_DEC_COUNT_SHIFT)