[meta-freescale] [meta-fsl-arm-extra] Booting RIoTboard

[Otavio Salvador]

On Thu, Apr 23, 2015 at 9:44 AM, Daiane Angolini <daiane.list at gmail.com> wrote:
> On Thu, Apr 23, 2015 at 9:32 AM, Nikolay Dimitrov <picmaster at mail.bg> wrote:
>> Hi Otavio,
>>
>>
>> On 04/23/2015 03:21 PM, Otavio Salvador wrote:
>>>
>>> On Thu, Apr 23, 2015 at 9:19 AM, Daiane Angolini <daiane.list at gmail.com>
>>> wrote:
>>>>
>>>> On Wed, Apr 22, 2015 at 10:28 PM, Otavio Salvador
>>>> <otavio at ossystems.com.br> wrote:
>>>>>
>>>>> Hello Nikolay and Gary,
>>>>>
>>>>> On Wed, Apr 22, 2015 at 9:22 PM, Nikolay Dimitrov <picmaster at mail.bg>
>>>>> wrote:
>>>>>>
>>>>>> On 04/23/2015 03:18 AM, Nikolay Dimitrov wrote:
>>>>>>>
>>>>>>> On 04/23/2015 12:37 AM, Gary Thomas wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>> I've just built an image for the i.MX6DL/RIoTboard using the latest
>>>>>>>> master (fido).  I had to add this line to local.conf:
>>>>>>>> MACHINE_EXTRA_RRECOMMENDS_remove_imx6dl-riotboard =
>>>>>>>> "fsl-alsa-plugins" as the fsl-alsa-plugins won't currently build with
>>>>>>>> Linux-4.0
>>>>>>>>
>>>>>>>> Now I'm trying to boot the image.  I've copied it to my SD card and
>>>>>>>> set the switches appropriately (I found two web pages about this and
>>>>>>>> they have conflicting information!  The answer seems to be
>>>>>>>> SW1-SW8=On/Off/On/Off/Off/On/Off/On)
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> I have 2 riotboards both booting from sdcards, here are their
>>>>>>> configurations:
>>>>>>> - slot J6 (USDHC2), SW1-8 = On/Off/On/Off/Off/On/On/Off
>>>>>>> - slot J7 (USDHC3), SW1-8 = On/Off/On/Off/Off/On/Off/On
>>>>>>>
>>>>>>>> I get the U-Boot prompt from the image I built (it has today's date),
>>>>>>>> but the SD card doesn't boot from there.  The default boot commands
>>>>>>>> seem to be looking for boot scripts, etc, but there are none on the
>>>>>>>> SD card, only a zImage and DTB file.
>>>>>>>>
>>>>>>>> Is there some documentation, perhaps in meta-fsl-arm-extra, that
>>>>>>>> helps (and I've missed)??
>>>>>>>>
>>>>>>>> Any help on how to boot this board would be appreciated.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Fido uses U-Boot v2015.04. Assuming that you haven't modifed the
>>>>>>> upstream version, v2015.04 uses extlinux boot mechanism, which
>>>>>>> requires
>>>>>>> the following files to be available on your boot partition:
>>>>>>>
>>>>>>> /boot/extlinux/extlinux.conf
>>>>>>> /boot/imx6dl-riotboard.dtb
>>>>>>> /boot/uImage
>>>>>>>
>>>>>>> Extlinux.conf should have the following content:
>>>>>>>
>>>>>>> default yocto
>>>>>>> label yocto
>>>>>>> kernel /boot/uImage
>>>>>>> devicetree /boot/imx6dl-riotboard.dtb
>>>>>>> append console=ttymxc1,115200 root=/dev/mmcblk0p1 rw
>>>>>>
>>>>>>
>>>>>>
>>>>>> Of course, change root= to suit your configuration.
>>>>>
>>>>>
>>>>> I have reverted the conversion of the board for now. This should make
>>>>> it work out of box until we add support for the generic script.
>>>>>
>>>>> I will be sending those patches in some minutes and include them in
>>>>> master-next for testing.
>>>>
>>>>
>>>> Otavio, unfortunately I don't have access to this board anymore, so
>>>> I'm not going to be able to test it
>>>>
>>>> I would appreciate if someone else could become the RioT board mantainer.
>>>
>>>
>>> Thanks for letting us know. Gary, Nikolay? Anyone?
>>
>>
>> I can volunteer.
>
> Thanks a lot.
>
> Please, send a patch replacing my name by yours ;)
>
> Otavio, can this change be included in fido as well?

Sure.

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750