AWS F1: CL Controlling XDMA in Shell

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Hi there,

Is there a way that CL can control the XDMA inside the Shell in the AWS F1? I have a usecase where CL needs to setup a DMA transfer from internal memory to Host.

A separate question, Is there a way CL can DMA from internal memory to DDR4 in shell?

asked 8 months ago178 views
1 Answer
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Hi,

You can use the following function to do the transaction from CL to HOST.

*int fpga_dma_burst_read(int fd, uint8_t buffer, size_t xfer_sz, size_t address);

Also if you want to do DMA inside the CL, You may use AXI Multi Channel DMA IP. You can get from add IP or from IP Catalog.

Thank you

GOGUL
answered 7 months ago

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