Re: [PATCH v11 0/3] Exynos 5410 support

[Tarek Dakhran]

Hi,

On Fri, May 30, 2014 at 7:41 AM, Tushar Behera <trblinux@xxxxxxxxx> wrote:
> On Thu, May 29, 2014 at 11:30 PM, Andreas FÃrber <afaerber@xxxxxxx> wrote:
>> Hi Tarek,
>>
>>
>> And I reproducibly get failures for CPUs 1-3, resulting in only one CPU
>> in /proc/cpuinfo (compared to 4 on downstream 3.14):
>>
>> [    0.045778] CPU: Testing write buffer coherency: ok
>> [    0.045968] /cpus/cpu@0 missing clock-frequency property
>> [    0.045993] /cpus/cpu@1 missing clock-frequency property
>> [    0.046016] /cpus/cpu@2 missing clock-frequency property
>> [    0.046040] /cpus/cpu@3 missing clock-frequency property
>> [    0.046059] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
>> [    0.046135] Setting up static identity map for 0x403a8920 - 0x403a8978
>> [    2.075052] CPU1: failed to come online
>> [    4.085095] CPU2: failed to come online
>> [    6.095142] CPU3: failed to come online
>> [    6.095237] Brought up 1 CPUs
>> [    6.095269] SMP: Total of 1 processors activated.
>> [    6.095303] CPU: All CPU(s) started in HYP mode.
>> [    6.095336] CPU: Virtualization extensions available.
>>
>> I also notice another apparent device tree issue:
>>
>> [    7.341814] of_get_named_gpiod_flags: can't parse gpios property of
>> node '/soc/mmc@12220000/slot@0[0]'
>> [    7.341850] of_get_named_gpiod_flags: can't parse gpios property of
>> node '/soc/mmc@12220000/slot@0[0]'
>>
>> Are any of those known issues and being worked on?
>> (The CPU failures affected 5420 Arndale Octa as well iirc.)
>>
>
> 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.

Firmware node already present into exynos5410-smdk5410.dts
So with only patch[1] 4xA15 cores will boot on ODROID-XU and SMDK5410.

>
> [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
>
>
> --
> Tushar Behera

Best regards,
    Tarek
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