[U-Boot] [PATCH] Makefile: Create single image for imx6 socs based boards

[Stefano Babic]

On 30/04/19 19:08, Jagan Teki wrote:
> On Tue, Apr 30, 2019 at 10:30 PM Stefano Babic <sbabic at denx.de> wrote:
>>
>> On 30/04/19 18:56, Jagan Teki wrote:
>>> Hi Stefano,
>>>
>>> On Tue, Apr 30, 2019 at 9:36 PM Stefano Babic <sbabic at denx.de> wrote:
>>>>
>>>> Hi Shyam,
>>>>
>>>> On 30/04/19 12:33, Shyam Saini wrote:
>>>>> IMX6 platform has two stage boot loaders like SPL and
>>>>> U-Boot proper. For each stage we need to burn the image
>>>>> on to flash with respective offsets.
>>>>>
>>>>> This patch create a single image using binman, so that
>>>>> user can get rid of burning different stage boot images.
>>>>>
>>>>> without this patch:
>>>>> ------------------
>>>>> $ sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1
>>>>> $ sudo dd if=u-boot-dtb.img of=/dev/mmcblk0 bs=1k seek=69
>>>>>
>>>>> with this patch:
>>>>> ---------------
>>>>> $ sudo dd if=u-boot-imx6-with-spl.bin of=/dev/mmcblk0 bs=1k seek=1
>>>>>
>>>>
>>>> I am quite confused. There is already a "u-boot-with-spl.imx" target,
>>>> this works since a lot of time. Which is the reason to duplicate this
>>>> feature or where is the difference ?
>>>
>>> At-least I did noticed this now,  since it require explicit 'make
>>> u-boot-with-spl.bin'  I hardly unaware before this been available for
>>> i.mx6.
>>>
>>> But, this binman feature more extensible than the Makefile oriented
>>> and the same been adopting by many platforms. May be we can come-up
>>> with common solution with binman, what do you think?
>>
>> First, I would like to avoid to have the same feature implemented
>> multiple times in different ways.
> 
> As I said, we didn't know this was supported before since it require
> an explicit argument to build..it's our bad.

No problem ;-) - there are so many new features / targets in U-Boot, I
think I know just a small percentage of them.. ;-)

> 
>>
>> If we can get the same solution for all platform, fine. But I guess i.MX
>> is not the only one having such as target, socFPGA has the same solution.
> 
> Okay.

Best regards,
Stefano


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