TI_EDMA3CC_QRAE
ti_edma3_cc_wr_4(TI_EDMA3CC_QRAE(0), (1 << TI_EDMA3_NUM_QDMA_CHS) - 1);
reg = ti_edma3_cc_rd_4(TI_EDMA3CC_QRAE(0));
ti_edma3_cc_wr_4(TI_EDMA3CC_QRAE(0), reg);