3.6.2.4.12 SOC_DMA_ENGINE
(Ask a Question)This is an SoC integration parameter to allow integrating HLS-generated modules into a custom user-defined SmartDesign system. The parameter specifies the type of DMA engine to use in the system for transferring data to/from HLS modules.
| DMA Engine | Description |
|---|---|
| HARD_DMA | Uses the DMA available in the PolarFire® SoC MSS. This implies that the CPUs to be used are the RISC-V U54 application cores in the MSS. |
| SOFT_DMA | Automatically instantiates a DMA engine on the FPGA fabric and be connected to the SmartHLS™ AXI interconnect along with the SmartHLS IP modules. Currently this option is not enabled, but will be in a future release. |
Please refer to Soc Integration Parameters in User-defined SmartDesign for more details on how to use this Tcl parameter.
- Category
- HLS Constraints
- Value Type
- String
- Default Value (Based on Icicle SoC reference design)
- HARD_DMA
- Dependencies
- None
- Applicable Flows
- SoC Flow Only
- Test Status
- HARD_DMA is actively in-use; SOFT_DMA will be made available in a future release
- Examples
set_parameter SOC_DMA_ENGINE HARD_DMA