Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Can I use 8M sdram for nios2-mmu linux?

hello, I have a custom fpga board with a ep2c20 core, a 8M cfi flash chip, a 8M sdram chip, etc.I design a smallest nios2 sopc with just a sdram controller, uart jtag and nios2-mmu with dual port ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

--- Quote Start ---

Did You set the SDRAM address correctly? There are issues with that.

--- Quote End ---

Thanks very much for your tips, I should modify the nios.h of in the nios2/include/asm and then it works but I still have problem, see the result:

...

pid_max: default: 4096 minimum: 301

Mount-cache hash table entries: 512

������������������

...

I got lots of "????", what's wrong with me again?

thanks!