Re: Enabling 8 cores on 5420

["Andreas Färber" <afaerber@suse.de>]

Hi,

Am 30.05.2014 11:25, schrieb Daniel Lezcano:
> 
> I am trying an upstream kernel + some patches to enable ethernet on
> arndale octa.
> 
> Unfortunately, only 4 cores boot up. The other ones fail to boot.
> 
> [12.179453] CPU6: failed to come online
> [13.189479] CPU7: failed to come online
> [14.199479] CPU4: failed to come online
> [15.209743] CPU5: failed to come online
> 
> What should I do to enable those 8 cores ? Is there a patchset somewhere
> to do so ?

Yes, this is the reply I received just yesterday from Tushar Behera:
> Can you check after applying following two patches for Arndale-Octa
> ([1],[2])? In other words, a patch similar to [2] might be required
> for this board too if it is booting under secure mode.
> 
> [1] http://www.spinics.net/lists/linux-samsung-soc/msg31776.html
> 
> [PATCH v2 Resend 1/2] ARM: EXYNOS: Update secondary boot addr for secure mode
> 
> [2] http://www.spinics.net/lists/linux-samsung-soc/msg31777.html
> 
> [PATCH v2 Resend 2/2] ARM: dts: Add secure firmware support for Arndale-octa

The first one I tested successfully on the 5410 already.

HTH,
Andreas

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