On Fri, Jul 27, 2018 at 11:18:56AM +0200, Paul Menzel wrote:
> On the AMD site [1] I see the three family 0x17 documents below.
>
> 1. Open-Source Register Reference for AMD Family 17h Processors (PUB)
> 2. Processor Programming Reference (PPR) for AMD Family 17h Models 00h-0Fh
> Processors (PUB)
> 3. Software Optimization Guide for AMD Family 17h Processors (PUB)
>
> What documented is required? The BKDG?
IIRC the PPR is the new BKDG, but the public version does not seem to
contain any references about how the IOMMU needs to be set up by
firmware.
Thanks,
Joerg
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