Hello. I am now trying this with my board and want to make sure if what I am doing is correct.
>Add machine definition for imx7d-pico board. > >For more information about this reference design, please visit: > >https://www.wandboard.org/products/android-things/PICO-PI-IMX7/ My local build creates wic.gz file (core-image-minimal-imx7d-pico.wic.gz). 1) This is expected to be a one-partition disk image with an ext4 partition in it? (I can see no fat partition for #1, only one ext4 partition. Is this expected?) 2) In serial download mode, I could boot the board using u-boot (using imx_usb loader tool, by pushing u-boot.imx data to the board). 3) However, I am failing to boot it from eMMC. I have written u-boot data to 1K offset on the eMMC (/dev/sdc as it is mounted on the host). So, at least it should boot into u-boot, but it does not. Though looking into hardware manuals for PICP-PI-IMX7, I am seeing conflicing information on which is the eMMC boot mode setting on the J1/J2 jumpers, I tried them but non worked. The board as deliverd booted into the default Linux (provided by technexsion), so the problem is not hardware. (Unfortunately, I did not take not of the default jumper setting or data of pre-installed boot loader)
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