Hi Hiep,
On Mon, Nov 7, 2016 at 11:37 AM, Hiep Cao Minh <cm-hiep@xxxxxxxxxxx> wrote:
> On 11/07/2016 06:44 PM, Geert Uytterhoeven wrote:
>> On Fri, Sep 30, 2016 at 12:05 PM, Hiep Cao Minh <cm-hiep@xxxxxxxxxxx>
>> wrote:
>>>>>>
>>>>>> The issue you're seeing is due to a combination of commits
>>>>>> 5f3bca0db8ac01a7
>>>>>> ("ARM: shmobile: apmu: Add APMU DT support via Enable method") and
>>>>>> dc378795156d980c ("ARM: dts: r8a7790: Add APMU nodes").
>>>>>>
>>>>>> When debug mode is enabled (SW8-4 = OFF), trying to boot secondary
>>>>>> CPUs
>>>>>> may
>>>>>> lock up the system after a cold boot, depending of boot load version.
>>>>>> Hence
>>>>>> we explicitly prohibit that. BTW, this has been the case on Koelsch
>>>>>> since
>>>>>> commit
>>>>>> 277efd30cfc72ec2 ("ARM: shmobile: Check r8a7791 MD21 at SMP boot").
>>>>>>
>>>>>> Now, does series "[PATCH/RFT 0/4] ARM: shmobile: R-Car Gen2: Allow
>>>>>> booting
>>>>>> secondary CPU cores in debug mode" (included in all renesas-drivers
>>>>>> releases
>>>>>> during September) fix it for you?
>>>>>
>>>>> Thanks for your series patches.
>>>>> I have had some problems of receiving post mail from Linux-Renesas
>>>>> Mailing
>>>>> List recently.
>>>>>
>>>>> Could you please forward these series patches to me?
>>>>
>>>> They're included in renesas-drivers.
>>>> You can also get them from gitweb at
>>>>
>>>>
>>>> https://git.kernel.org/cgit/linux/kernel/git/geert/renesas-drivers.git/log/?h=topic/rcar-secondary-booting-in-debug-mode-v1
>>>
>>> Thanks, I'll confirm these patches on my board.
>>
>> Have you tried this series on your Lager? If yes, can I add your
>> Tested-by?
>
> Sorry for the late reply!.
> I have totally forgotten my reporting test result to you.
> I have tested this series on my Lager board. The bug has been fixed.
Thanks, I will add your Tested-by.
>> Which ES version of R-Car H1 do you have? If you don't know, you can
>> tell me the result of "md.l 0xff000044 1" in U-Boot.
>
> My board information:
> LAGER SPI_LOADER V0.28 2014.09.29
> DEVICE S25FL512
>
>
> U-Boot 2016.01 (Jul 27 2016 - 15:27:42 +0900)
>
> CPU: Renesas Electronics R8A7790 rev 2.0
> -----
> => md.l 0xff000044 1
> ff000044: 00004510 .E..
R-Car H2 ES2.0.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
