[meta-freescale] [3rdparty][PATCH v2] imx7d-pico: Add machine configuration (booting)

[Vanessa Ayumi Maegima]

Hi Takashi,

On Wed, Oct 4, 2017 at 7:36 AM, Takashi Matsuzawa <tmatsuzawa at xevo.com> wrote:
>
> Hello.
>
>
> >Now I hesitate to try this again
>
>
> Well, I did again, and just confirmed the image is updated and eMMC boots with new image.
>
>
> - jumper settings is "boot mode"
>
> - at u-boot console "ums 0 mmc 0"
>
> - dd xxxx.wic to /dev/sdc
>
> - power recycle(detach/attach USB-C)
>
>
> ________________________________
> From: Takashi Matsuzawa
> Sent: Wednesday, October 4, 2017 4:00 PM
>
> To: Vanessa Ayumi Maegima
> Cc: Vanessa Maegima; meta-freescale at yoctoproject.org; desrochers.philippe at gmail.com; festevam at gmail.com
> Subject: Re: [3rdparty][PATCH v2] imx7d-pico: Add machine configuration (booting)
>
>
> Hello.
> It seems I could finally boot from eMMC.
>
> I am not sure this is OK.
> In particullar, how jumper settings and mmc partconf BOOT_PARTITION_ENABLE/PARTITION_ACCESS flags affecting this?
>
> (Steps)
> - Set jumper to "boot mode" according to PICO-IMX7D-QSG.pdf
> - Side load u-boot by imx_usb loader.
>
> - at u-boot console:
>
> - env default -a f (I am not sure if this is needed)
> - saveenv
> - mmc partconf 0 1 7 0
> - ums 0 mmc 0
>
> - then on host:
>
> - /dev/sdc appears on the host
> - Then dd if=xxxx.wic of=/dev/sdc
> - disconnect USB-C (power off)
> - reconnect USB-C (power on)
> - the board boots from eMMC.
>
> (Now I hesitate to try this again from scratch for while since I have only one PICO-IMX7 at hand until next time I burn image to the board.)
>

Thanks for letting us know!

In fact, I think that's the right procedure, I'm just not sure about
the 7 in the
partconf command, but great that it worked for you.

You should follow the boot pins as described in the PICO-IMX7D-QSG (not
sure why it's different on the PICO-IMX7D-USG).

Best,
Vanessa