FSL_DMA_MR_CS
& ~FSL_DMA_MR_CS & ~FSL_DMA_MR_CC & ~FSL_DMA_MR_CA;
mode |= FSL_DMA_MR_CS;
mode &= ~(FSL_DMA_MR_CS | FSL_DMA_MR_EMS_EN);
mode &= ~FSL_DMA_MR_CS;