DP_MAINLINK_CTRL_FLUSH_MODE_MASK
#define DP_MAINLINK_FLUSH_MODE_UPDATE_SDP FIELD_PREP(DP_MAINLINK_CTRL_FLUSH_MODE_MASK, 1)
#define DP_MAINLINK_FLUSH_MODE_SDE_PERIPH_UPDATE FIELD_PREP(DP_MAINLINK_CTRL_FLUSH_MODE_MASK, 3)