Check these threads with examples on DMA to UART transfer.
Some ref material -
http://www.cypress.com/documentation/application-notes/an52705-psoc-3-and-psoc-5lp-getting-started-dma AN52705 Getting Started with DMA
http://www.cypress.com/documentation/application-notes/an84810-psoc-3-and-psoc-5lp-advanced-dma-topics AN84810 PSoC® 3 and PSoC 5LP Advanced DMA Topics
http://www.cypress.com/documentation/application-notes/an61102-psoc-3-and-psoc-5lp-adc-data-buffering-using-dma AN61102 PSoC® 3 and PSoC 5LP - ADC Data Buffering Using DMA
http://video.cypress.com/video-library/search/dma/ Videos on DMA
https://www.youtube.com/results?search_query=dma+psoc Videos on DMA (some overlap)
You can connect NRQ of TD0 to DRQ of TD1 so that when TD0 finishes, TD1 will be executed.
You cannot have multiple independent TDs with next TD as 'ENd', because you need a way to select the TDs one after the other. Chaining TDs is possible.
The examples given in the other posts would help.