DMADATA_ENDIAN_SHIFT
((DATA_ENDIAN << DMADATA_ENDIAN_SHIFT) | \
(0x02 << DMADATA_ENDIAN_SHIFT | 0x02 << DMADESC_ENDIAN_SHIFT)
0x3 << DMADATA_ENDIAN_SHIFT | 0x3 << PIODATA_ENDIAN_SHIFT)