[U-Boot] [PATCH v2] warp: Add a README file

Otavio Salvador otavio at ossystems.com.br
Mon Mar 2 19:12:37 CET 2015


On Mon, Mar 2, 2015 at 2:53 PM, Fabio Estevam <festevam at gmail.com> wrote:
> Hi Otavio,
>
> On Mon, Mar 2, 2015 at 2:36 PM, Otavio Salvador <otavio at ossystems.com.br> wrote:
>>> +Use the default environment variables:
>>> +
>>> +=> env default -f -a
>>> +=> save
>>
>> Isn't the new binary overwriting it?
>
> Let's say we are not using DFU and we want to flash u-boot.imx in the
> SD card of mx6qsabresd, for example. In this case, we simply do:
>
> dd if=u-boot.imx of=/dev/mmcblk0 bs=1k seek=1
>
> and the new u-boot.imx is flashed in the SD card, and the env vars are
> not touched.
>
> Same happens with DFU, so that's why I include the ' env default -f
> -a' in the instructions.
>
> Not sure if I understand the issue you are trying to describe.

Well this README is covering WaRP so we ought to cover WaRP specifics there.

-- 
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


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