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Altera_Forum's avatar
Altera_Forum
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16 years ago

Linux with MMU on NEEK

Hi, all. I'm testing Linux MMU version, on my NEEK. http://www.nioswiki.com/linux It works fine and I can use "bash" shell. This is the evident proof that we are using the true 'fo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

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I have a little bit doubt that Nios CPU with MMU can't have over 4Kbytes caches. There are several ways of connecting method for CPU, cache and MMU. For example,

1) CPU -- cache -- MMU -- Memory

2) CPU -- MMU -- cache -- Memory.

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I asked Frank Storm our dealer's Altera FPGA. He said that the reference designs of Altera's do have 2*32K Cache and Altera recommends not not change the cache configuration. So the 4K limit does not seem to exist. Nonetheless I asked him to doublecheck the NIOS MMU/Cache "hardware" regarding this issue.

-Michael