Channel Enabled

Zynq UltraScale+ Device Technical Reference Manual (UG1085)

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2.4 English

The software can enable one or more channels at any time using the following enable sequence.

Setup channel mode (simple or scatter gather mode).

Set the ZDMA_CH_{DATA, DSCR}_ATTR attribute registers.

Setup DMA mode.

°Simple mode, program the DSCR registers.

°In scatter gather mode, program the DSCR in memory and program the DSCR start address register.

Set enable bit in the ZDMA_CH_CTRL2 register. This provides a trigger to the DMA channel.