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Altera_Forum's avatar
Altera_Forum
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11 years ago

How to write data into DDR3 SDRAM-HPS!

Hi everyone! I create Qsys to connect SDRAM/FPGA that saves data of camera with HPS. I will read this data by arm through H2F AXI Bridge and send it to VGA. I use 2 components: "Frame Reader" and ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

I can't help you if you don't tell me the specifics of the problem you're facing. Are you using Linux for your HPS? I can give you some general tips though:

1. The HPS SDRAM ports must be configured to an Avalon bus. I tried AXI but it does not work.

2. If you're using Linux, the preloader must be regenerated everytime you modify the HPS Qsys component

3. Use the following steps to initiate the HPS-FPGA HPS SDRAM interface properly if using Linux:

-Cold boot HPS

-Load FPGA image

-Warm boot HPS