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Altera_Forum
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12 years ago

system.h missing /dev/dma_0, but DMA device is in the top.socpinfo file

I have a working FPGA design with PCIe + DMA + JTAG_UART + NIOS II + Internal Memory. I have been asked to move to a HAL design for the the C code running on NIOS II. I have got to the po...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

I'm pretty sure the dev tree isn't populated in "free standing" applications. The issue of not populating system.h is an odd one. Each and every device that Nios II's read master is connected to should be "seen" there. I've seen issues when using bridges in the past. Posting your Qsys file might help a bit.

Also, you might consider generating a BSP using the SBT (software build tools) from the command line. It may give you a better idea of what's happening.

Cheers!

slacker