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Altera_Forum
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15 years ago

SOPC error, SLAVE at two addresses

Let's see if I can paint the picture here: I have a separate clock domain behind a Avalon Clock Crossing Bridge. In this clock domain I have a slave which can be accessed by our NIOS on the ot...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hi Pinscore, Moov,

Alas, for historical reasons, SOPC Builder enforces a "flat" address space. Usually, with some clever topology and bridges, you can make it flat.

You can force SOPC Builder to generate even though there's an error, by holding the control key and clicking generate. (We don't promise the results will work, though!)

Obviously, this address-space limitation is a little bit artificial. The switching fabric is just fine with it. But the Nios II BSP tools might not do well when confronted with the "mirage" address.

We hope to relax this restriction in the future.