ARM: Meson6: enable SMP
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Cover letter [PATCH 0/3] ARM: Meson6: enable SMP
Quoted 12 lines · On Tuesday 30 September 2014 22:45:38 Carlo Caione wrote:
Quoted 11 lines · Arnd Bergmann
Quoted 6 lines · On Tuesday 30 September 2014 10:46:46 Carlo Caione wrote:
Quoted 2 lines · Carlo Caione
Amlogic Meson6 is a dual-core Cortex-A9. This patchset adds all the necessary pieces to boot the secondary CPU.
Sorry for the double sending.
Forgot to CC LAKML.Looks good to me in principle, but I wonder about the CPU enable method. Are you able to implement PSCI in u-boot like it was done for allwinner?
Quoted 8 lines
Quoted 2 lines
This is mostly a question of whether the system comes up in secure mode or non-secure mode.
I would be able if I had the u-boot source code or the possibility to flash the board I'm using. Unfortunately at this moment I don't have either. Probably in the near future I'll be able to implement PSCI in u-boot since Amlogic is kindly starting to provide documentation but now this is the best I can do.
Ok, I see. Let's give Amlogic some more time then. I think it's better to merge other parts of the platform first when we can reasonably assume that we don't have to change the binding any more.
It would be a shame to merge this now and then make it obsolete by implementing PSCI but still having to carry around the original code for compatibility reasons.
Arnd