Messages in this thread | | | Date | Thu, 05 Jan 2023 10:45:29 +0100 | From | "Sven Peter" <> | Subject | Re: [PATCH 7/7] iommu: dart: Add t8110 DART support |
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Hi,
On Thu, Jan 5, 2023, at 06:19, Hector Martin wrote: > On 2023/01/04 22:50, Sven Peter wrote: >> Do you have any more details on this registers? For the 8103 DART >> we called it _CONFIG but I assume for the t8110 DART it can >> actually lock different parts of the HW instead of just a global lock? > > This is based on R's reverse engineering here: > > https://github.com/AsahiLinux/m1n1/blob/main/proxyclient/m1n1/hw/dart8110.py#L87 > > I don't think they ever fully nailed down exactly what the lock bit > behavior is, though.
Fair enough, I was mostly curious if it was actually _PROTECT and not just _CONFIG with different bit assignments. Sounds like it does mostly set up protections though.
Sven
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