Re: [beagleboard] Kernel 4.1.9 overlays not working

[Rick Mann]

> On Oct 18, 2015, at 20:38 , William Hermans  wrote:
> 
> http://www.embeddedhobbyist.com/2015/09/beaglebone-black-updating-device-tree-files/

apt-get update: "This step is important every reboot. As the 
/etc/apt/sources.list file is not kept on “disk”. This is meant to help keep 
writes to flash media at a minimum – In case you were wondering."

Wait, what? Why would this make sense? I write the flash all the time, what's 
wrong with writing it on the rare occasions I issue "apt-get update?"

I'd much rather write to flash than risk forgetting to update apt and screwing 
something up by installing the wrong package.

-- 
Rick Mann
rm...@latencyzero.com


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Re: [beagleboard] Kernel 4.1.9 overlays not working

[Taceant Omnes]

On 19 October 2015 at 08:33, Rick Mann  wrote:
>
>> On Oct 18, 2015, at 20:38 , William Hermans  wrote:
>>
>> http://www.embeddedhobbyist.com/2015/09/beaglebone-black-updating-device-tree-files/
>
> apt-get update: "This step is important every reboot. As the 
> /etc/apt/sources.list file is not kept on “disk”. This is meant to help keep 
> writes to flash media at a minimum – In case you were wondering."
>
> Wait, what? Why would this make sense? I write the flash all the time, what's 
> wrong with writing it on the rare occasions I issue "apt-get update?"


+1


> I'd much rather write to flash than risk forgetting to update apt and 
> screwing something up by installing the wrong package.

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[Bremenpl]

Dziekuje bardzo.

W dniu 2015-10-19 o 11:39, Taceant Omnes pisze:

On 19 October 2015 at 08:33, Rick Mann  wrote:

On Oct 18, 2015, at 20:38 , William Hermans  wrote:

http://www.embeddedhobbyist.com/2015/09/beaglebone-black-updating-device-tree-files/

apt-get update: "This step is important every reboot. As the /etc/apt/sources.list 
file is not kept on “disk”. This is meant to help keep writes to flash media at a minimum 
– In case you were wondering."

Wait, what? Why would this make sense? I write the flash all the time, what's wrong with 
writing it on the rare occasions I issue "apt-get update?"


+1



I'd much rather write to flash than risk forgetting to update apt and screwing 
something up by installing the wrong package.


--
Bremenpl

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[William Hermans]

By the way Rick, how much did I charge you for the information I give out
on my blog ?

On Mon, Oct 19, 2015 at 8:22 AM, William Hermans  wrote:

> *Wait, what? Why would this make sense? I write the flash all the time,
>> what's wrong with writing it on the rare occasions I issue "apt-get
>> update?"*
>>
>
> So, don't bother with apt-get update the next time you reboot. Do you
> think that will prevent the error you get while running apt, without
> updating ?
>
> On Mon, Oct 19, 2015 at 3:21 AM, Bremenpl  wrote:
>
>> Dziekuje bardzo.
>>
>> W dniu 2015-10-19 o 11:39, Taceant Omnes pisze:
>>
>>> On 19 October 2015 at 08:33, Rick Mann  wrote:
>>>
 On Oct 18, 2015, at 20:38 , William Hermans  wrote:
>
>
> http://www.embeddedhobbyist.com/2015/09/beaglebone-black-updating-device-tree-files/
>
 apt-get update: "This step is important every reboot. As the
 /etc/apt/sources.list file is not kept on “disk”. This is meant to help
 keep writes to flash media at a minimum – In case you were wondering."

 Wait, what? Why would this make sense? I write the flash all the time,
 what's wrong with writing it on the rare occasions I issue "apt-get 
 update?"

>>>
>>> +1
>>>
>>>
>>> I'd much rather write to flash than risk forgetting to update apt and
 screwing something up by installing the wrong package.

>>>
>> --
>> Bremenpl
>>
>>
>> --
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>>
>
>

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[William Hermans]

>
> *Wait, what? Why would this make sense? I write the flash all the time,
> what's wrong with writing it on the rare occasions I issue "apt-get
> update?"*
>

So, don't bother with apt-get update the next time you reboot. Do you think
that will prevent the error you get while running apt, without updating ?

On Mon, Oct 19, 2015 at 3:21 AM, Bremenpl  wrote:

> Dziekuje bardzo.
>
> W dniu 2015-10-19 o 11:39, Taceant Omnes pisze:
>
>> On 19 October 2015 at 08:33, Rick Mann  wrote:
>>
>>> On Oct 18, 2015, at 20:38 , William Hermans  wrote:


 http://www.embeddedhobbyist.com/2015/09/beaglebone-black-updating-device-tree-files/

>>> apt-get update: "This step is important every reboot. As the
>>> /etc/apt/sources.list file is not kept on “disk”. This is meant to help
>>> keep writes to flash media at a minimum – In case you were wondering."
>>>
>>> Wait, what? Why would this make sense? I write the flash all the time,
>>> what's wrong with writing it on the rare occasions I issue "apt-get update?"
>>>
>>
>> +1
>>
>>
>> I'd much rather write to flash than risk forgetting to update apt and
>>> screwing something up by installing the wrong package.
>>>
>>
> --
> Bremenpl
>
>
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Re: [beagleboard] Kernel 4.1.9 overlays not working

[Rick Mann]

I'm not attacking you, William, I'm asking for clarification. It doesn't make 
any sense to me that apt-get update wouldn't write its results to disk.

You don't need to apt-get update all the time, if it writes its results to 
disk. But if it doesn't, and you forget to next time you apt-get install, you 
run the risk of downgrading something you have installed (or otherwise 
corrupting it), don't you?

> On Oct 19, 2015, at 08:28 , William Hermans  wrote:
> 
> By the way Rick, how much did I charge you for the information I give out on 
> my blog ? 
> 
> On Mon, Oct 19, 2015 at 8:22 AM, William Hermans  wrote:
> Wait, what? Why would this make sense? I write the flash all the time, what's 
> wrong with writing it on the rare occasions I issue "apt-get update?"
> 
> So, don't bother with apt-get update the next time you reboot. Do you think 
> that will prevent the error you get while running apt, without updating ?
> 
> On Mon, Oct 19, 2015 at 3:21 AM, Bremenpl  wrote:
> Dziekuje bardzo.
> 
> W dniu 2015-10-19 o 11:39, Taceant Omnes pisze:
> On 19 October 2015 at 08:33, Rick Mann  wrote:
> On Oct 18, 2015, at 20:38 , William Hermans  wrote:
> 
> http://www.embeddedhobbyist.com/2015/09/beaglebone-black-updating-device-tree-files/
> apt-get update: "This step is important every reboot. As the 
> /etc/apt/sources.list file is not kept on “disk”. This is meant to help keep 
> writes to flash media at a minimum – In case you were wondering."
> 
> Wait, what? Why would this make sense? I write the flash all the time, what's 
> wrong with writing it on the rare occasions I issue "apt-get update?"
> 
> +1
> 
> 
> I'd much rather write to flash than risk forgetting to update apt and 
> screwing something up by installing the wrong package.
> 
> -- 
> Bremenpl
> 
> 
> -- 
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> 
> 
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-- 
Rick Mann
rm...@latencyzero.com


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Re: [beagleboard] Kernel 4.1.9 overlays not working

[Robert Nelson]

On Mon, Oct 19, 2015 at 4:10 PM, Rick Mann  wrote:
> I'm not attacking you, William, I'm asking for clarification. It doesn't make 
> any sense to me that apt-get update wouldn't write its results to disk.
>
> You don't need to apt-get update all the time, if it writes its results to 
> disk. But if it doesn't, and you forget to next time you apt-get install, you 
> run the risk of downgrading something you have installed (or otherwise 
> corrupting it), don't you?

It's really hard to down-grade in debian, and any cache corruption
should stop dpkg from installing a *.deb package..

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[William Hermans]

>
> *I'm not attacking you, William, I'm asking for clarification. It doesn't
> make any sense to me that apt-get update wouldn't write its results to
> disk.*
>
> * You don't need to apt-get update all the time, if it writes its results
> to disk. But if it doesn't, and you forget to next time you apt-get
> install, you run the risk of downgrading something you have installed (or
> otherwise corrupting it), don't you?*
>

Not attacking you either Rick, but here is the point. The official images
come with this enabled. So whether you, I, or anyone else cares, it's
already in there. The apt sources cache is either completely in RAM, with a
default cache set at build time, or it is a minimal gzipped archive.
Technically, no you do not *have* to run apt-get update _every_single_time_
you go to use APT, but generally it is a good idea. All it takes is an
update in one repo or another( depending ), and apt-get install, apt-get
upgrade, etc will fail, barfing out some message similar to E: could not
locate x.y.z.

Either way, the blog was meant for people who are new to Beaglebone, or
Linux development in general. If you're good with Debian(Linux), you
probably do not need my guides.

Passed that, many people are worried about writing to flash too much, and
I'm one of them. I've been using an A5A for gaining on 3 years now, with no
flash problems, and that includes the Sony class 10 SDHC card that we
bought for it back then. As it is, I make enough mistakes of writing to
flash, accidentally, to worry about all the compiling, apt-get installing,
etc. This is also why one of my first blog posts was on how to setup NFS
shares, and NFS root for the Beaglebone. Not to mention I compile often,
and a lot. Granted, compiling over an NFS share *is* slower, but I can live
with that. But it's also why I have a cross system for the larger projects,
or is why I wrote another blog on how to setup a USB rootfs . . .

I was also a bit "quick" this morning . . . which is how I normally am for
the first few hours after waking up. Still, if I write something in my blog
posts, and you do not get it. Don't worry so much about it. It was probably
not meant for you, or other advanced users. It was meant to keep people,
who are new out of "trouble", with minimal explanation required from me.

On Mon, Oct 19, 2015 at 2:13 PM, Robert Nelson 
wrote:

> On Mon, Oct 19, 2015 at 4:10 PM, Rick Mann  wrote:
> > I'm not attacking you, William, I'm asking for clarification. It doesn't
> make any sense to me that apt-get update wouldn't write its results to disk.
> >
> > You don't need to apt-get update all the time, if it writes its results
> to disk. But if it doesn't, and you forget to next time you apt-get
> install, you run the risk of downgrading something you have installed (or
> otherwise corrupting it), don't you?
>
> It's really hard to down-grade in debian, and any cache corruption
> should stop dpkg from installing a *.deb package..
>
> Regards,
>
> --
> Robert Nelson
> https://rcn-ee.com/
>
> --
> For more options, visit http://beagleboard.org/discuss
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Re: [beagleboard] Kernel 4.1.9 overlays not working

[Robert Nelson]

On Sun, Oct 18, 2015 at 8:42 PM, codemonkey  wrote:
> Robert, I have the same question about the source of DTC 1.4.1-gXYZXYZXYZ -
> I installed the device-tree-overlay package into a new build (Linux
> beaglebone 4.1.10-bone-rt-r16 #1 Sun Oct 4 09:05:14 UTC 2015 armv7l
> GNU/Linux) and checked the version of dtc. It was v1.4.0. I tried running
> ./dtc_overlay.sh, but the version didn't change. So, I cloned the git
> repository of the source at devicetree.org, did a make and make install. The
> version is still 1.4.0. The only reference Google has to the string in your
> readme (DTC 1.4.1-gXYZXYZXYZ) points to your readme.

It's installed too:

/usr/local/bin/

https://github.com/beagleboard/bb.org-overlays/blob/master/dtc-overlay.sh#L56

If it doesn't work, your PATH is mangled..

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[William Hermans]

http://www.embeddedhobbyist.com/2015/09/beaglebone-black-updating-device-tree-files/

On Sun, Oct 18, 2015 at 7:07 PM, Robert Nelson 
wrote:

> On Sun, Oct 18, 2015 at 8:42 PM, codemonkey  wrote:
> > Robert, I have the same question about the source of DTC
> 1.4.1-gXYZXYZXYZ -
> > I installed the device-tree-overlay package into a new build (Linux
> > beaglebone 4.1.10-bone-rt-r16 #1 Sun Oct 4 09:05:14 UTC 2015 armv7l
> > GNU/Linux) and checked the version of dtc. It was v1.4.0. I tried running
> > ./dtc_overlay.sh, but the version didn't change. So, I cloned the git
> > repository of the source at devicetree.org, did a make and make
> install. The
> > version is still 1.4.0. The only reference Google has to the string in
> your
> > readme (DTC 1.4.1-gXYZXYZXYZ) points to your readme.
>
> It's installed too:
>
> /usr/local/bin/
>
>
> https://github.com/beagleboard/bb.org-overlays/blob/master/dtc-overlay.sh#L56
>
> If it doesn't work, your PATH is mangled..
>
> Regards,
>
> --
> Robert Nelson
> https://rcn-ee.com/
>
> --
> For more options, visit http://beagleboard.org/discuss
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Re: [beagleboard] Kernel 4.1.9 overlays not working

[codemonkey]

Robert, I have the same question about the source of DTC 1.4.1-gXYZXYZXYZ - 
I installed the device-tree-overlay package into a new build (Linux 
beaglebone 4.1.10-bone-rt-r16 #1 Sun Oct 4 09:05:14 UTC 2015 armv7l 
GNU/Linux) and checked the version of dtc. It was v1.4.0. I tried running 
./dtc_overlay.sh, but the version didn't change. So, I cloned the git 
repository of the source at devicetree.org, did a make and make install. 
The version is still 1.4.0. The only reference Google has to the string in 
your readme (DTC 1.4.1-gXYZXYZXYZ) points to your readme. 

Thank you
Tim

On Tuesday, October 13, 2015 at 8:23:00 AM UTC-7, RobertCNelson wrote:
>
> On Tue, Oct 13, 2015 at 10:20 AM, Lee Armstrong  > wrote: 
> > Thanks Robert, 
> > 
> > I’ve just reflashed it again with the latest Jessie image and will run 
> > through those steps. 
> > 
> > One thing not 100% clear in the steps is the best location to get the 
> latest 
> > (patched) DTC, there are many differing sources it seems! 
>
> I moved the "./dtc-overlay.sh" script right after the "check dtc" in 
> step 2... I'm hoping it should be more obvious to run it.. 
>
> Regards, 
>
> -- 
> Robert Nelson 
> https://rcn-ee.com/ 
>

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[Robert Nelson]

On Tue, Oct 13, 2015 at 9:36 AM,   wrote:
> I am also getting the same error with 4.1.9-ti-r20, what exactly did you do
> to fix it?
>
> On Monday, October 12, 2015 at 11:50:57 AM UTC+1, bremenpl wrote:
>>
>> I think I managed to do everything, thank you.
>> There is still one thing that differs from version 3.8 kernel- I dont
>> see either hdmi/emmc was disabled or not by looking at the slots. How
>> can I check that?

Guys, please read the readme.md and /boot/uEnv.txt for examples on how
to disable the "hdmi/emmc"..

https://github.com/beagleboard/bb.org-overlays/blob/master/readme.md

under: "BBB compatibility issues"

There are also other combinations listed in /boot/uEnv.txt

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[Robert Nelson]

On Tue, Oct 13, 2015 at 10:20 AM, Lee Armstrong  wrote:
> Thanks Robert,
>
> I’ve just reflashed it again with the latest Jessie image and will run
> through those steps.
>
> One thing not 100% clear in the steps is the best location to get the latest
> (patched) DTC, there are many differing sources it seems!

I moved the "./dtc-overlay.sh" script right after the "check dtc" in
step 2... I'm hoping it should be more obvious to run it..

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[lee]

I am also getting the same error with 4.1.9-ti-r20, what exactly did you do 
to fix it?

On Monday, October 12, 2015 at 11:50:57 AM UTC+1, bremenpl wrote:
>
> I think I managed to do everything, thank you. 
> There is still one thing that differs from version 3.8 kernel- I dont 
> see either hdmi/emmc was disabled or not by looking at the slots. How 
> can I check that? 
>
> W dniu 2015-10-12 o 11:58, 'Andreas Müller' via BeagleBoard pisze: 
> > On Mon, Oct 12, 2015 at 11:51 AM, Bremenpl  > wrote: 
> >> I used dtc in version 1.4.0 i believe. 
> >> 
> >> 
> >> -- 
> >> For more options, visit http://beagleboard.org/discuss 
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> >> Groups "BeagleBoard" group. 
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> an 
> >> email to beagleboard...@googlegroups.com . 
> >> For more options, visit https://groups.google.com/d/optout. 
> > To make overlays build properly, you need a special version of dtc 
> > found at [1] further details see [2] 
> > 
> > [1] https://github.com/pantoniou/dtc 
> > [2] https://github.com/beagleboard/bb.org-overlays 
> > 
> > Andreas 
> > 
>
> -- 
> Bremenpl 
>
>

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[Robert Nelson]

On Tue, Oct 13, 2015 at 10:01 AM, Lee Armstrong  wrote:
> Thanks Robert,
>
> I am simply trying to enable UART4 which I didn’t think needed anything
> disabling though?

in /boot/uEnv.txt

cape_enable=bone_capemgr.enable_partno=BB-UART4

and reboot. ;)

(this is assuming /lib/firmware/BB-UART4-00A0.dtbo is installed)

Regards,

-- 
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https://rcn-ee.com/

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[Lee Armstrong]

Robert,




Yes that is much better thank you.  Working well now :-)




Thank you very much,




Lee

On Tue, Oct 13, 2015 at 4:22 PM, Robert Nelson 
wrote:

> On Tue, Oct 13, 2015 at 10:20 AM, Lee Armstrong  wrote:
>> Thanks Robert,
>>
>> I’ve just reflashed it again with the latest Jessie image and will run
>> through those steps.
>>
>> One thing not 100% clear in the steps is the best location to get the latest
>> (patched) DTC, there are many differing sources it seems!
> I moved the "./dtc-overlay.sh" script right after the "check dtc" in
> step 2... I'm hoping it should be more obvious to run it..
> Regards,
> -- 
> Robert Nelson
> https://rcn-ee.com/

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[Lee Armstrong]

Thanks Robert, 




I am simply trying to enable UART4 which I didn’t think needed anything 
disabling though?




Lee

On Tue, Oct 13, 2015 at 4:00 PM, Robert Nelson 
wrote:

> On Tue, Oct 13, 2015 at 9:36 AM,   wrote:
>> I am also getting the same error with 4.1.9-ti-r20, what exactly did you do
>> to fix it?
>>
>> On Monday, October 12, 2015 at 11:50:57 AM UTC+1, bremenpl wrote:
>>>
>>> I think I managed to do everything, thank you.
>>> There is still one thing that differs from version 3.8 kernel- I dont
>>> see either hdmi/emmc was disabled or not by looking at the slots. How
>>> can I check that?
> Guys, please read the readme.md and /boot/uEnv.txt for examples on how
> to disable the "hdmi/emmc"..
> https://github.com/beagleboard/bb.org-overlays/blob/master/readme.md
> under: "BBB compatibility issues"
> There are also other combinations listed in /boot/uEnv.txt
> Regards,
> -- 
> Robert Nelson
> https://rcn-ee.com/

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[Lee Armstrong]

Thanks Robert,




BB-UART4-00A0.dtbo is present in /lib/firmware.  I’ve not had an issue before 
but this is a freshly flashed Jessie BBB.




dmesg shows the following which is the same error as per the first post when 
echoing into the slots.





[    4.968908] __of_adjust_tree_phandle_references: Could not find target 
property 'fixup' @/__local_f

ixups__

[    4.979738] bone_capemgr bone_capemgr: slot #4: Failed to resolve tree

[    4.987236] bone_capemgr bone_capemgr: loader: failed to load slot-4 
BB-UART4:00A0 (prio 0)

On Tue, Oct 13, 2015 at 4:06 PM, Robert Nelson 
wrote:

> On Tue, Oct 13, 2015 at 10:01 AM, Lee Armstrong  wrote:
>> Thanks Robert,
>>
>> I am simply trying to enable UART4 which I didn’t think needed anything
>> disabling though?
> in /boot/uEnv.txt
> cape_enable=bone_capemgr.enable_partno=BB-UART4
> and reboot. ;)
> (this is assuming /lib/firmware/BB-UART4-00A0.dtbo is installed)
> Regards,
> -- 
> Robert Nelson
> https://rcn-ee.com/

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[Bremenpl]

I used dtc in version 1.4.0 i believe.

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Re: [beagleboard] Kernel 4.1.9 overlays not working

['Andreas Müller' via BeagleBoard]

On Mon, Oct 12, 2015 at 11:51 AM, Bremenpl  wrote:
> I used dtc in version 1.4.0 i believe.
>
>
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To make overlays build properly, you need a special version of dtc
found at [1] further details see [2]

[1] https://github.com/pantoniou/dtc
[2] https://github.com/beagleboard/bb.org-overlays

Andreas

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[Bremenpl]

I will try this out, thank you.

W dniu 2015-10-12 o 11:58, 'Andreas Müller' via BeagleBoard pisze:

On Mon, Oct 12, 2015 at 11:51 AM, Bremenpl  wrote:

I used dtc in version 1.4.0 i believe.


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To make overlays build properly, you need a special version of dtc
found at [1] further details see [2]

[1] https://github.com/pantoniou/dtc
[2] https://github.com/beagleboard/bb.org-overlays

Andreas



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Bremenpl

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[Bremenpl]

Im sorry but I cant find any source on how to install the dtc compiller 
after I have downloaed it from http://devicetree.org/Device_Tree_Compiler


W dniu 2015-10-12 o 11:58, 'Andreas Müller' via BeagleBoard pisze:

On Mon, Oct 12, 2015 at 11:51 AM, Bremenpl  wrote:

I used dtc in version 1.4.0 i believe.


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To make overlays build properly, you need a special version of dtc
found at [1] further details see [2]

[1] https://github.com/pantoniou/dtc
[2] https://github.com/beagleboard/bb.org-overlays

Andreas



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Bremenpl

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Re: [beagleboard] Kernel 4.1.9 overlays not working

['Andreas Müller' via BeagleBoard]

On Mon, Oct 12, 2015 at 11:01 AM, bremenpl  wrote:
> Hello there,
> I have installed latest console version of Debian from eLinux.org. Its uses
> kernel version 4.1.9:
> Linux beaglebone 4.1.9-ti-r20 #1 SMP PREEMPT Fri Oct 2 05:35:56 UTC 2015
> armv7l GNU/Linux
>
> I was trying to load BB-UART5 overlay but I failed. I also dont see any
> overlays loaded I thought I would, like eMMC:
> root@beaglebone:/sys/devices/platform/bone_capemgr# cat slots
>  0: PF  -1
>  1: PF  -1
>  2: PF  -1
>  3: PF  -1
>
> When I tried to load the tree i got:
> [ 3013.532495] bone_capemgr bone_capemgr: part_number 'BB-UART5', version
> 'N/A'
> [ 3013.532543] bone_capemgr bone_capemgr: slot #4: override
> [ 3013.532561] bone_capemgr bone_capemgr: Using override eeprom data at slot
> 4
> [ 3013.532579] bone_capemgr bone_capemgr: slot #4: 'Override Board
> Name,00A0,Override Manuf,BB-UART5'
> [ 3013.533110] __of_adjust_tree_phandle_references: Could not find target
> property 'fixup' @/__local_fixups__
> [ 3013.548518] bone_capemgr bone_capemgr: slot #4: Failed to resolve tree
>
> And I have compiled the tds before and put the dtbo in /lib/firmware/
>
> Has anything changed in the new kernel regarding dts loading and general
> usage?
> I would apreciate all help regarding this topic!
>
> --
Am not sure: Did you compile dts with the patched version of dtc?

Andreas

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Re: [beagleboard] Kernel 4.1.9 overlays not working

[Bremenpl]

I think I managed to do everything, thank you.
There is still one thing that differs from version 3.8 kernel- I dont 
see either hdmi/emmc was disabled or not by looking at the slots. How 
can I check that?


W dniu 2015-10-12 o 11:58, 'Andreas Müller' via BeagleBoard pisze:

On Mon, Oct 12, 2015 at 11:51 AM, Bremenpl  wrote:

I used dtc in version 1.4.0 i believe.


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To make overlays build properly, you need a special version of dtc
found at [1] further details see [2]

[1] https://github.com/pantoniou/dtc
[2] https://github.com/beagleboard/bb.org-overlays

Andreas



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Bremenpl

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