RBR_CFIG_B_BLKSIZE_SHIFT
val |= (RBR_BLKSIZE_4K << RBR_CFIG_B_BLKSIZE_SHIFT);
val |= (RBR_BLKSIZE_8K << RBR_CFIG_B_BLKSIZE_SHIFT);
val |= (RBR_BLKSIZE_16K << RBR_CFIG_B_BLKSIZE_SHIFT);
val |= (RBR_BLKSIZE_32K << RBR_CFIG_B_BLKSIZE_SHIFT);