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Altera_Forum
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10 years ago

Output Linux´s Video to VGA controller in FPGA Fabric through AXI on CV SoC

Hi all, I designed a custom expansion board for the de0 nano SoC with an AD 7123 video DAC and a wolfson audio dac. I have an VGA controller running fine on the FPGA fabric side (driving ...
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Altera_Forum
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10 years ago

Thank you Phillip !

I will try with audio first.

I know how to develop little loadable kernel modules but nothing more ...

In Rocketboards there is a linux distro modified for doing this with the sockit:

http://rocketboards.org/foswiki/view/projects/sockitlinarolinuxdesktop

" The video pipeline is implemented in the FPGA portion of the SoC using Altera's Video IP (VIP) suite. A frame buffer DMA component in the FPGA reads the video buffer information from DDR in the HPS and writes it into the video pipeline. A custom frame buffer driver was added to the kernel to support this."