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Altera_Forum
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9 years ago

Transfer data from HPS DDR3 to FPGA SDRAM and back using DMA

Hello, For several weeks, I tried to send data between memories but without any success. I'm using DE1-SoC board with Linaro Linux on SD card. Firstly I would like to run application which is on A...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

I read some topics about msgdma and I made qsys configuration. I'm not sure if I did it well. Can you check if it is correct?

If it is ok, how to send data from hps to sdram? In topic http://www.alteraforum.com/forum/showthread.php?t=50103 there is a piece of code but not all. It is kind of black magic for me :(

Looking on this code... MAP_PIO_SIZE will be 0x001? The same code i must write to the descriptor? What with response? I generate hps_0.h and there are only csr and descriptor.

Sorry for so many questions but its my first hps-fpga project and i am not good at it yet.