[RFC PATCH 0/2] HSM implementation for Allwinner D1

[Anup Patel]

Hi Samuel,

On Fri, May 6, 2022 at 12:27 PM Samuel Holland <samuel at sholland.org> wrote:
>
> This series adds a minimal working HSM implementation for the Allwinner
> D1 SoC. It works with the Linux sbi_cpuidle driver. Even with canned
> values for entry/exit latency, I am seeing 30-45 mW reduction in power
> usage at idle.
>
> Since this is the first HSM driver submission, there is no example to
> follow. I have some questions in my commit message, and some extra
> commentary in the code to explain what is going on. Comments welcome!
>
> Regards,
> Samuel
>
>
> Samuel Holland (2):
>   lib: sbi_hsm: Call a device hook during hart resume
>   platform: Add HSM implementation for Allwinner D1

Please rebase your v2 on the latest OpenSBI since the compile-time
C array support is already available in the latest OpenSBI.

Thanks,
Anup

>
>  include/sbi/sbi_hsm.h        |   8 ++
>  lib/sbi/sbi_hsm.c            |   8 ++
>  platform/generic/objects.mk  |   1 +
>  platform/generic/platform.c  |   2 +
>  platform/generic/sun20i_d1.c | 225 +++++++++++++++++++++++++++++++++++
>  5 files changed, 244 insertions(+)
>  create mode 100644 platform/generic/sun20i_d1.c
>
> --
> 2.35.1
>
>
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