ARM Technical Support Knowledge Articles

DMA interface on PL330 AXI DMA Controller

Applies to: PL330 AXI DMA Controller

Scenario

Can the Peripheral Request Interface on the DMA controller (PL330) work with the old UART (PL011) 
peripheral DMA interface?  The PL330 DMA controller describes its interface as AXI compatible. 

Answer

PL330 comes with a converter (pl330_pl080_interface) which allows it to
connect to peripherals with the older AHB DMA interface, such as PL011.
Appendix A in the PL330 Integration Manual describes its use but is only
available as part of the PL330 deliverables.

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