[U-Boot] [PATCH V2 00/18] Introduce cm-fx6 board (partial V2 cont.)

Simon Glass sjg at chromium.org
Tue Aug 12 16:39:11 CEST 2014


Hi Nikita,

On 11 August 2014 08:39, Nikita Kiryanov <nikita at compulab.co.il> wrote:
>
>
> On 11/08/14 17:15, Simon Glass wrote:
>>
>> Hi,
>>
>> On 11 August 2014 02:20, Nikita Kiryanov <nikita at compulab.co.il> wrote:
>>>
>>> Hi Simon,
>>>
>>>
>>> On 11/08/14 03:11, Simon Glass wrote:
>>>>
>>>>
>>>> Hi Nikita,
>>>>
>>>> On 10 August 2014 11:12, Nikita Kiryanov <nikita at compulab.co.il> wrote:
>>>>>
>>>>>
>>>>> This partial V2 completes the previous partial V2. It contains some
>>>>> final
>>>>> preparational steps, and the introduction of cm-fx6 board.
>>>>>
>>>>> Changes in V2:
>>>>>           - Update commit message of "arm: mx6: ddr: configure MMDC for
>>>>> slow_pd"
>>>>>           - Remove unnecessary line removal from
>>>>> arch/arm/cpu/armv7/mx6/ddr.c
>>>>>           - Move probe_mmdc_config() code straight to dram_init()
>>>>>           - Use imx6_spl.h
>>>>>           - Use imx_ddr_size()
>>>>>             NOTE: the correction of this patch now depends on
>>>>> https://patchwork.ozlabs.org/patch/376095/
>>>>
>>>>
>>>>
>>>> Does this series support the dual core Utilite machine?
>>>
>>>
>>>
>>> It does support dual core, but not the Utilite boot sequence. Right now
>>> you can only boot from MMC because SPL has no fallback functionality and
>>> Utilite always tries MMC first. I'll be sending patches for that after
>>> this series is accepted.
>>>
>>>
>>>> If so I'm not sure how to enable dual core instead of quad core - any
>>>> ideas please?
>>>
>>>
>>>
>>> You don't need to do anything to run this on dual core. ...or am I
>>> misunderstanding your question?
>>
>>
>> I'm not sure. It was failing to boot from SD and I thought that might
>> be the problems, since I see quite a few CPU-related configs in the
>> board config file. Is there a canonical description of how to making a
>> boot image and put it on SD? Perhaps I was doing that incorrectly.
>
>
> You can use the article from the Compulab wiki:
>
> http://compulab.co.il/workspace/mediawiki/index.php5/CM-FX6:_U-Boot:_Creating_a_bootable_SD_card
>
> This article assumes that both SPL and U-Boot reside on a single
> binary at the right offsets. The following article describes the
> steps for creating this joined image:
>
> http://compulab.co.il/workspace/mediawiki/index.php5/CM-FX6:_U-Boot:_Building_Images#Building_the_firmware_images

Thanks, that works. Somehow I didn't have the two sets of instructions
in one place. I have a few comments on the patches which I will send
separately.

Regards,
Simon


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