A10 UART controller
The A10 have 8 UART controllers capable of high speed async serial communication.
The UART controller is 16550 compatible and DMA capable. DMA support is not implemented in the driver. The older driver in 2.6.36 do have traces of preleminary DMA support.
Default system console UART. Supports RX/TX only. Available in two port configuraitons, PB (default) and PF (same as SD-CARD0).