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Altera_Forum's avatar
Altera_Forum
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12 years ago

Unaligned access when trying to reach AXI-LW from U-Boot

Hello, I have a QSYS system, including some Avalon-MM peripherials connected to the AXI-LW interface of the HPS. For testing purposes I tried to read their registers from the serial consol...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

That may not be an unaligned access, just an invalid address.

You might just need to check the address you should use when running under uboot.

I don't know whether uboot runs with the mmu enabled - in which case you need the virtual address the physical one is mapped to.