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From: "Vaittinen, Matti" <Matti.Vaittinen@fi.rohmeurope.com>
To: Tony Lindgren <tony@atomide.com>,
	Robert Nelson <robertcnelson@gmail.com>
Cc: "H. Nikolaus Schaller" <hns@goldelico.com>,
	"Matti Vaittinen" <mazziesaccount@gmail.com>,
	"Grygorii Strashko" <grygorii.strashko@ti.com>,
	"Paul Barker" <paul.barker@sancloud.com>,
	"Peter Ujfalusi" <peter.ujfalusi@gmail.com>,
	"Benoît Cousson" <bcousson@baylibre.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Suman Anna" <s-anna@ti.com>,
	"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>
Subject: Re: beaglebone black boot failure Linux v5.15.rc1
Date: Thu, 30 Sep 2021 09:41:10 +0000	[thread overview]
Message-ID: <06b98a5d-5a16-2210-027c-358d45b2887f@fi.rohmeurope.com> (raw)
In-Reply-To: <YVVxBFsFUx0ZMoE1@atomide.com>

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

  reply	other threads:[~2021-09-30  9:41 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-16  9:15 beaglebone black boot failure Linux v5.15.rc1 Vaittinen, Matti
2021-09-17  6:14 ` Tony Lindgren
2021-09-17 10:28   ` Vaittinen, Matti
2021-09-17 10:47     ` Tony Lindgren
2021-09-17 10:57     ` Grygorii Strashko
2021-09-17 11:01       ` Grygorii Strashko
2021-09-17 11:34         ` Vaittinen, Matti
2021-09-17 12:36           ` Grygorii Strashko
2021-09-20 10:05             ` Matti Vaittinen
2021-09-21  7:47               ` Tony Lindgren
2021-09-21 16:07                 ` Suman Anna
2021-09-21 16:40                   ` H. Nikolaus Schaller
2021-09-21 16:49                     ` Suman Anna
2021-09-22  9:27                     ` Vaittinen, Matti
2021-09-24 18:40                       ` Robert Nelson
2021-09-30  8:10                         ` Tony Lindgren
2021-09-30  9:41                           ` Vaittinen, Matti [this message]
2021-09-21 20:29                   ` Drew Fustini
2021-09-21 21:49                     ` Suman Anna
2021-09-21 22:00                       ` Robert Nelson
2021-09-21 23:53                         ` Suman Anna
2021-09-22  8:44                 ` Vaittinen, Matti
2021-09-22  8:48                   ` Tony Lindgren
2021-09-30  8:06                     ` Tony Lindgren

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