On Mon, Oct 9, 2017 at 3:18 AM, 'Luther Goh Lu Feng' via BeagleBoard
wrote:
> I understand that even though BBB boots from the eMMC first, if a bootable
> microSD is inserted, it will boot from the microSD[1]. I believe uboot is
> responsible for this behaviour and would like modify uboot.
>
> - How would I go about doing it?
> - Is it a matter of modifying uEnv.txt or a recompilation of uBoot?
> - If it is the earlier, then what is the path of uEnv.txt? Is it /uEnv.txt
> or /boot/uEnv.txt[2]?
BootRom, "boot" order:
1: eMMC
2: microSD
U-Boot, "scan" order:
Scan microSD for:
1: /uEnv.txt
2: /boot/uEnv.txt
Scan eMMC for:
3: /uEnv.txt
4: /boot/uEnv.txt
So.. don't have either /uEnv.txt or /boot/uEnv.txt in your microSD..
Regards,
--
Robert Nelson
https://rcn-ee.com/
--
For more options, visit http://beagleboard.org/discuss
---
You received this message because you are subscribed to the Google Groups
"BeagleBoard" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to beagleboard+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/beagleboard/CAOCHtYjfJ5V%2Bhn0xwkKdnhCY6TRie%3DBMJZn67eLnfaa0uo7Cyg%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.