Re: Enabling 8 cores on 5420

[Daniel Lezcano <daniel.lezcano@linaro.org>]

On 05/30/2014 03:33 PM, Andreas Färber wrote:
> 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.

Hi Andreas,

thx for the pointers. I tested the patches but unfortunately they don't 
enable the cpus.


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