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Altera_Forum's avatar
Altera_Forum
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12 years ago

LCD Master interface and NIOS Pipeline issue

I all, I've a SoC based on a NIOSII/f and a LCD controller with a Master interface for accessing the memories in order to update the display content. Here is the function I use to "clear/f...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

It was not a pipeling problem, it was a cache problem!

I've solved it by calling:

alt_dcache_flush_all();

before calling the dma start function.