[U-Boot] [PATCH v2 0/8] imx: add USB Serial Download Protocol (SDP) support

[Fabio Estevam]

Hi Stefan,

On Fri, Sep 1, 2017 at 3:19 PM, Stefan Agner <stefan at agner.ch> wrote:

> That is the issue I am describing here:
> https://lists.denx.de/pipermail/u-boot/2017-August/301952.html
>
> Either enter recovery mode explicitly (by setting the BMODE pins or
> using the bmode command)

On imx6qsabresd it is not possible to put the boot pins into serial
download mode.

>
> Or you can use the USB PHY method which indicates whether the ROM used
> serial downloader. We use this in our downstream U-Boot (NXP used that
> method to go into "mgfr" mode...)
> http://git.toradex.com/cgit/u-boot-toradex.git/commit/?h=2016.11-toradex-next&id=0d069117614b590848b490e348488362443c5547
> http://git.toradex.com/cgit/u-boot-toradex.git/commit/?h=2016.11-toradex-next&id=80c3bd6c2750c3c2843537f015c0d675b1b74a58

I have tested this method and it works, thanks.

Do you plan to usptream this method?

Thanks