Virtex-4 FX12 Mini-Module support

Aidan Williams aidan at
Sat Apr 8 08:42:17 EST 2006

Hi All,

I'm using the UQ powerpc uclinux code on the
Memec Virtex-4 FX12 Mini-Module Development Kit.

I have attached a patch with our modifications:

   - switch to set cache policy (OFF, WriteThru, WriteBack)
   - switch to enable PPC405 CPU_213 errata workaround
   - cosmetic update to cputable
   - view ccr0 register in /proc/cpu

The patch is against:

The specific modules/chips we're using have a silicon bug,
See the euphemistically named "Solution 13:"

The board boots and runs reliably with the caches OFF.
WriteThru and WriteBack caching cause memory corruption and
this is why we implemented the cache policy switch.


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