iMX6 second boot: from SDCard
gianlucarenzi at eurek.it
Tue Mar 1 03:18:44 PST 2016
first of all, I would say a BIG thank to everybody point me out on have
a USB-Serial Downloader working and Barebox up and running in my custom
iMX6Q based board.
Right now I wish to know what can be done or not done to fireup the
board from attached microSD card which is working because Barebox (from
USB Downloader) is seeing it and find any partition scheme found on it.
If I simply write the barebox-flash-image (currently a symlink to
image/barebox-[BOARD].img file) to a sdcard with command:
[my usb-adapter is seeing the sdcard as /dev/sdk]
dd if=barebox-flash-image of=/dev/sdk
it works, but actually I have lost all MBR partition scheme at all.
I read somewhere (https://community.freescale.com/docs/DOC-95015) that
writing the .imx file with an offset of 1K from the beginning of the
card it should run.
Actually it is not. :-(
Does barebox building this kinda of image? I see under the images
folder, a file named:
but as far as I can see, this file is the same as the
The Reference Manual in the Boot Section does not explain well on HOW TO
PREPARE a MICROSD card just to be sure the DCD and other stuff (like
PBL) have to be written just to bootstrap from microSD/MMC...
Can anybody help me out on this?
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