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Altera_Forum
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14 years ago

Error while downloading linux image - NIOS 2 with MMU

Hello, I'm getting the below error while downloading the linux image onto NIOS-2 with MMU. I'm getting this error after updating quartus and nios2eds to version 11.0. The same image worke...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Hi Chetan

I have had similar issues when using DDR2 controllers in Quartus 11 and had to fall back to 10.1 to fix my issue. I still need to investigate the issue but have found some info on porting from 10.1 to 11.0 so I will look into that when I get the time again.

You have 64MB RAM so I'm assuming it is SDRAM. I have had SDRAM working in 11.0. The fact that nios2-download says it downloaded 3MB in 0.5s really does seem like it is a RAM issue. I have had very simliar probelms which turned out to RAM related, also saying it downloads in next to no time and then the m_state == DEBUG error.

I think your idea of starting a fresh project in 11.0 might be the way to solve this.

Regards

Antonie