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SubjectRe: beaglebone black boot failure Linux v5.15.rc1
Date
Hi dee Ho peeps.

On 9/30/21 11:10, Tony Lindgren wrote:
> * Robert Nelson <robertcnelson@gmail.com> [210924 18:41]:
>> On Wed, Sep 22, 2021 at 4:28 AM Vaittinen, Matti
>> <Matti.Vaittinen@fi.rohmeurope.com> wrote:
>>> Maybe a stupid question - how to find out the exact revision?
>>
>> Run:
>>
>> hexdump -e '8/1 "%c"' /sys/bus/i2c/devices/0-0050/eeprom -n 28 | cut -b 5-28
>>
>> Then lookup:
>>
>> https://github.com/beagleboard/image-builder/blob/master/readme.md

Thanks!
What I read out was:
A335BNLT00C03614BBBK9018

which I assume means the Rev C. (Two of the boards have element 14
printed on PCB, one has beagleboard.)

>
> So do I need some kernel module for this with the mainline kernel
> loaded? I don't have eeprom listed under 0-0050. >
> I also see eeprom only for am335x-pocketbeagle.dts and
> am57xx-beagle-x15-common.dtsi so maybe it should be justd added?

I did have the eeprom driver load and eeprom accessible - and I don't
think I have any DTS modifications. Perhaps you just don't have the
correct eeprom driver enabled at config?


Best Regards
-- Matti
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