[U-Boot] [PATCH 0/4] dm: rpi: Move Raspberry Pi to use driver model

[Simon Glass]

Hi Stephen,

On 20 October 2014 20:23, Stephen Warren <swarren at wwwdotorg.org> wrote:
> On 10/19/2014 09:14 PM, Simon Glass wrote:
>> Hi Stephen,
>>
>> On 17 October 2014 20:51, Stephen Warren <swarren at wwwdotorg.org> wrote:
>>> On 09/30/2014 07:41 PM, Stephen Warren wrote:
>>>> On 09/22/2014 05:30 PM, Simon Glass wrote:
>>>>> This series adds driver model support to the GPIO and serial drivers used
>>>>> by Raspberry Pi, and moves Raspberry Pi over to driver model.
>>>>>
>>>>> This requires adding driver model support to the pl01x serial driver, and
>>>>> replacing the bcm2835 GPIO driver with a driver model version (since there
>>>>> are no longer clients that don't use driver model).
>>>>>
>>>>> See u-boot-dm.git branch rpi-working for the tree this is based on.
>>>>
>>>> The series,
>>>> Tested-by: Stephen Warren <swarren at wwwdotorg.org>
>>>
>>> Hmm. I take that back. Patch 4 causes a problem, at least when applied
>>> on top of u-boot/master from today.
>>>
>>> Basic serial output works just fine, and I can interact with U-Boot
>>> without issue. However, when the boot scripts execute and load an
>>> extlinux.conf, U-Boot hangs. Up to patch 3, everything is fine.
>>>
>>> U-Boot 2014.10-00004-g7830ed7 (Oct 17 2014 - 20:47:19)
>>>
>>> DRAM:  480 MiB
>>> WARNING: Caches not enabled
>>> MMC:   bcm2835_sdhci: 0
>>> Using default environment
>>>
>>> In:    serial
>>> Out:   lcd
>>> Err:   lcd
>>> reading /uEnv.txt
>>> 24 bytes read in 14 ms (1000 Bytes/s)
>>> Hit any key to stop autoboot:  0
>>> switch to partitions #0, OK
>>> mmc0 is current device
>>> Scanning mmc 0...
>>> Found /extlinux/extlinux.conf
>>> Retrieving file: /extlinux/extlinux.conf
>>> reading /extlinux/extlinux.conf
>>> (U-Boot hangs here)
>>>
>>
>> Can you please point me to where I can get an image to try this with?
>> Also did you check with dm/next? There may be dependent patches,
>> although the nature of the problem suggests not.
>
> I use (a pretty old version of, but I doubt that matters) RPi
> Foundation's Raspbian image, and compiled the kernel and U-Boot
> according to:
>
> http://elinux.org/index.php?title=RPi_Upstream_Kernel_Compilation&oldid=351104
>
> http://elinux.org/RPi_U-Boot
>

I installed the Raspbian image but I don't get uImg.txt nor the same
boot sequence. I am able to boot a kernel though.

Do you have your settings or images uploaded somewhere? Also please
confirm you used dm/next.

Regards,
Simon