Hi Hiep,
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?
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.
Thanks!
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
