>> Somehow the memory accesses aren't reaching my device.  I added some
>> debugging, and this line before the debugging:
>>
>> set_var_mtrr(0, 0x08000000, 0x10000000, MTRR_TYPE_WRBACK);
>
> I think you need to have setup correctly the resource routing registers.
I thought I had this right, but I'm double checking.

> Also maybe it is more like a PCI space? If so then you need to setup the
> MTRR and ask to send the accesses to PCI space and not to ram.
I want to use it like RAM, not PCI space.  I'll look more into the
definitions of the MTRRs to see what else is there.

Thanks,
Myles

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