[RFC] ARM: EXYNOS: reset KFC cores when cpu is up

[Chanho Park]

Hi,

On Wed, Jul 15, 2015 at 10:46 AM, Krzysztof Kozlowski
<k.kozlowski at samsung.com> wrote:
> On 15.07.2015 10:36, Chanho Park wrote:
>> The cpu booting of exynos5422 has been still broken since we discussed
>> it in last year[1]. I found this resetting codes from odroid-xu3 kernel of
>> hardkernel, it could help to boot 8 cores well. This patch need to have
>> more test like STR and other SoC especially exynos5800 which is variant
>> of exynos5422. If this patch is broken on exynos5800, I'll find another
>> way to check exynos5422.
>>
>> This patch is top of my previous exynos5422 cpu ordering patch[2] and
>> need to enable CONFIG_EXYNOS5420_MCPM=y
>
> 1. Why the ordering patch is required? It seems unrelated...

Because it related with my booting log :)

> 2. I tried this already (as in vendor sources from
> opensource.samsung.com) and it did not help on my Odroid. Are you sure
> that this patch solely fixes the problem?

If you turned on CONFIG_DEBUG_LL, you'll need Joonyoung's patch to
correct uart address of exynos5422.
http://www.spinics.net/lists/linux-samsung-soc/msg37318.html

-- 
Best Regards,
Chanho Park