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Altera_Forum
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14 years ago

[MMU-Version] Problem booting (custom layout on DE2-70)

Hello Forum, I designed a modified layout based on the DE2_70_Net Demo project (added MMU and DM9000/Ethernet). Linux-Software is the latest ./update on 20100621 (I work with the included...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Judging from your dts (the picture with your sopc info is not accessible), the problem most probably is the missing data cache: 


dcache-line-size = < 0 >;
dcache-size = < 0 >;

You will need to add some data cache for the design to work properly with Linux. Please follow the instructions http://alterawiki.com/wiki/creating_a_nios_ii_design_with_an_mmu on how to create a proper design for running Linux.