Hi Peng,

Le 11 nov. 2016 10:30 AM, "Peng Fan" <peng.fan@nxp.com> a écrit :
>
> Hi,
>
>
> I am trying to implement TEE and support Linux power features.
>
>  
>
> There are several options to include power features and TEE
>
> 1. ATFW for ARM32.
>
> 2. Develop runtime service code in U-Boot like ATFW.
>
> 3. Integrate PSCI ARM32 in OP-TEE.
>
>  
>
> Option1, ATFW seems not support ARM32, such as A9/A7. And the AArch32 support, I think(not sure), is not for legacy ARM32 cores.

Indeed it seems that the main focus is ARMv8-A. FYI, the presentation made by ARM at Linaro Connect is  at
http://connect.linaro.org/resource/las16/las16-402/.

--
Jerome

>
> Option2, requires some efforts. And needs some wrap code between uboot monitor code and TEE and Linux.
>
> Actually I prefer option3, and secondary cores can be booted up with psci in OP-TEE. Before I
>
> put more efforts, I would like to ask whether this is acceptable from OP-TEE community.
>
>  
>
> Thanks,
>
> Peng.
>
>
> _______________________________________________
> Tee-dev mailing list
> Tee-dev@lists.linaro.org
> https://lists.linaro.org/mailman/listinfo/tee-dev
>