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SubjectRe: [RESEND in plain-test] Re: [PATCH v5 0/9] Add initial support for the i.MXRTxxxx SoC family starting from i.IMXRT1050 SoC.
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On 17/12/21 11:28, Arnd Bergmann wrote:
> On Fri, Dec 17, 2021 at 10:54 AM Giulio Benetti
> <giulio.benetti@benettiengineering.com> wrote:
>> On 16/12/21 22:13, Arnd Bergmann wrote:
>>
>>> Vladimir has put some work into making Cortex-R work in the kernel, and
>>> he may have some other thoughts on this question.
>>
>> I'm curious if he has something specific to Cortex-R to tell.
>>
>> I've found that Cortex-R82 has a MMU:
>> https://www.arm.com/products/silicon-ip-cpu/cortex-r/cortex-r82
>> but I can't find any SoC that uses it. Also, I don't know how many
>> people could use it honestly.
>
> R82 is fairly new, but I expect that we will see support in Linux in the
> future. Aside from having an MMU, it also 64-bit-only, so we'd treat
> it like a normal ARMv8-A core in arch/arm64.

Ah yes, that's fine. So let's wait for the future, in the meanwhile we
focus con i.MXRT :-)

Thank you
Best regards
--
Giulio Benetti
Benetti Engineering sas

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