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Matt99eo
May 9, 2016, 2:12:52 PM5/9/16
to BeagleBoard
Hi,
In the process of migrating from 3.8.x to 4.1.21 and trying to get my device tree to load manually (eventually to load on boot).
As I understand it device trees are supported in 4.1.x -- yes?
I the the .dts compiles with out errors however when I go to load the device tree I get the following:
echo BB-APA-01 > slots
[ 8122.326385] bone_capemgr bone_capemgr: part_number 'BB-APA-01', version 'N/A'
[ 8122.333614] bone_capemgr bone_capemgr: slot #5: override
[ 8122.339116] bone_capemgr bone_capemgr: Using override eeprom data at slot 5
[ 8122.346184] bone_capemgr bone_capemgr: slot #5: 'Override Board Name,00A0,Override Manuf,BB-APA-01'
[ 8122.369433] __of_changeset_entry_apply: add_property failed @/ocp/serial@481aa000/pinctrl-names
[ 8122.378353] of_changeset_apply: Error applying changeset (-17)
[ 8122.384609] __of_overlay_create: of_changeset_apply() failed for tree@/
[ 8122.391429] bone_capemgr bone_capemgr: slot #5: Failed to create overlay
-bash: echo: write error: File exists
My dts file is essentially the same as I had it in 3.8.x except for changing uart numbers to index from 0 instead of 1 as I've read that changed.
This custom device tree uses pins reserved for HDMI so I did added teh disable option to /boot/uEnv.txt:
cape_disable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN
What else do I need to update in my .dts or do to get a custom device tree to load?
Thanks,
In the process of migrating from 3.8.x to 4.1.21 and trying to get my device tree to load manually (eventually to load on boot).
As I understand it device trees are supported in 4.1.x -- yes?
I the the .dts compiles with out errors however when I go to load the device tree I get the following:
echo BB-APA-01 > slots
[ 8122.326385] bone_capemgr bone_capemgr: part_number 'BB-APA-01', version 'N/A'
[ 8122.333614] bone_capemgr bone_capemgr: slot #5: override
[ 8122.339116] bone_capemgr bone_capemgr: Using override eeprom data at slot 5
[ 8122.346184] bone_capemgr bone_capemgr: slot #5: 'Override Board Name,00A0,Override Manuf,BB-APA-01'
[ 8122.369433] __of_changeset_entry_apply: add_property failed @/ocp/serial@481aa000/pinctrl-names
[ 8122.378353] of_changeset_apply: Error applying changeset (-17)
[ 8122.384609] __of_overlay_create: of_changeset_apply() failed for tree@/
[ 8122.391429] bone_capemgr bone_capemgr: slot #5: Failed to create overlay
-bash: echo: write error: File exists
My dts file is essentially the same as I had it in 3.8.x except for changing uart numbers to index from 0 instead of 1 as I've read that changed.
This custom device tree uses pins reserved for HDMI so I did added teh disable option to /boot/uEnv.txt:
cape_disable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN
What else do I need to update in my .dts or do to get a custom device tree to load?
Thanks,
Robert Nelson
May 9, 2016, 2:16:50 PM5/9/16
to Beagle Board
On Mon, May 9, 2016 at 1:12 PM, Matt99eo <mattmahe...@gmail.com> wrote:
Hi,
In the process of migrating from 3.8.x to 4.1.21 and trying to get my device tree to load manually (eventually to load on boot).
As I understand it device trees are supported in 4.1.x -- yes?
I the the .dts compiles with out errors however when I go to load the device tree I get the following:
echo BB-APA-01 > slots
[ 8122.326385] bone_capemgr bone_capemgr: part_number 'BB-APA-01', version 'N/A'
[ 8122.333614] bone_capemgr bone_capemgr: slot #5: override
[ 8122.339116] bone_capemgr bone_capemgr: Using override eeprom data at slot 5
[ 8122.346184] bone_capemgr bone_capemgr: slot #5: 'Override Board Name,00A0,Override Manuf,BB-APA-01'
[ 8122.369433] __of_changeset_entry_apply: add_property failed @/ocp/serial@481aa000/pinctrl-names
[ 8122.378353] of_changeset_apply: Error applying changeset (-17)
[ 8122.384609] __of_overlay_create: of_changeset_apply() failed for tree@/
[ 8122.391429] bone_capemgr bone_capemgr: slot #5: Failed to create overlay
-bash: echo: write error: File exists
This also could me you used the wrong dtc compiler..
Use the one this one builds:
My dts file is essentially the same as I had it in 3.8.x except for changing uart numbers to index from 0 instead of 1 as I've read that changed.
This custom device tree uses pins reserved for HDMI so I did added teh disable option to /boot/uEnv.txt:
cape_disable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN
this ^ doesn't do anything..
Read, section: BBB compatibility issues:
Regards,
Robert Nelson
https://rcn-ee.com/
https://rcn-ee.com/
Matt99eo
May 9, 2016, 3:33:35 PM5/9/16
to BeagleBoard
Yes I do believe I have the right version -- as I followed your instructions in bb.org-overlays
here is the result of a version check:
root@arm:/lib/firmware# dtc --version
Version: DTC 1.4.1-g1e75ebc9
To compile an overlay I did
dtc -O dtb -o BB-APA-01-00A0.dtbo -b 0 -@ BB-APA-01-00A0.dts
Then I placed the output in /lib/firmware
Referring to https://github.com/beagleboard/bb.org-overlays/blob/master/readme.md
I changed my uEnv.txt to contain
dtb=am335x-boneblack-emmc-overlay.dtb
Stll getting this:
[ 229.625505] bone_capemgr bone_capemgr: part_number 'BB-APA-01', version 'N/A'
[ 229.633234] bone_capemgr bone_capemgr: slot #4: override
[ 229.638620] bone_capemgr bone_capemgr: Using override eeprom data at slot 4
[ 229.655322] bone_capemgr bone_capemgr: slot #4: 'Override Board Name,00A0,Override Manuf,BB-APA-01'
[ 229.676441] __of_changeset_entry_apply: add_property failed @/ocp/serial@481aa000/pinctrl-names
[ 229.676462] of_changeset_apply: Error applying changeset (-17)
[ 229.695456] __of_overlay_create: of_changeset_apply() failed for tree@/
[ 229.702544] bone_capemgr bone_capemgr: slot #4: Failed to create overlay
sh: echo: I/O error
here is the result of a version check:
root@arm:/lib/firmware# dtc --version
Version: DTC 1.4.1-g1e75ebc9
To compile an overlay I did
dtc -O dtb -o BB-APA-01-00A0.dtbo -b 0 -@ BB-APA-01-00A0.dts
Then I placed the output in /lib/firmware
Referring to https://github.com/beagleboard/bb.org-overlays/blob/master/readme.md
I changed my uEnv.txt to contain
dtb=am335x-boneblack-emmc-overlay.dtb
Stll getting this:
[ 229.625505] bone_capemgr bone_capemgr: part_number 'BB-APA-01', version 'N/A'
[ 229.633234] bone_capemgr bone_capemgr: slot #4: override
[ 229.638620] bone_capemgr bone_capemgr: Using override eeprom data at slot 4
[ 229.655322] bone_capemgr bone_capemgr: slot #4: 'Override Board Name,00A0,Override Manuf,BB-APA-01'
[ 229.676441] __of_changeset_entry_apply: add_property failed @/ocp/serial@481aa000/pinctrl-names
[ 229.676462] of_changeset_apply: Error applying changeset (-17)
[ 229.695456] __of_overlay_create: of_changeset_apply() failed for tree@/
[ 229.702544] bone_capemgr bone_capemgr: slot #4: Failed to create overlay
sh: echo: I/O error
Matt99eo
May 9, 2016, 7:25:14 PM5/9/16
to BeagleBoard
Fixed this issue -- was a <&uart*> number I missed changing... doh
I can now manually add the device tree :
cat /sys/devices/platform/bone_capemgr/slots
0: PF---- -1
1: PF---- -1
2: PF---- -1
3: PF---- -1
4: P-O-L- 0 Override Board Name,00A0,Override Manuf,BB-APA-00A0,Override Manuf,BB-APA-01
How do I bake this into my kernel such that it loads at boot?
I can now manually add the device tree :
cat /sys/devices/platform/bone_capemgr/slots
0: PF---- -1
1: PF---- -1
2: PF---- -1
3: PF---- -1
4: P-O-L- 0 Override Board Name,00A0,Override Manuf,BB-APA-00A0,Override Manuf,BB-APA-01
How do I bake this into my kernel such that it loads at boot?
Robert Nelson
May 9, 2016, 7:36:59 PM5/9/16
to Beagle Board
On Mon, May 9, 2016 at 6:25 PM, Matt99eo <mattmahe...@gmail.com> wrote:
Fixed this issue -- was a <&uart*> number I missed changing... doh
I can now manually add the device tree :
cat /sys/devices/platform/bone_capemgr/slots
0: PF---- -1
1: PF---- -1
2: PF---- -1
3: PF---- -1
4: P-O-L- 0 Override Board Name,00A0,Override Manuf,BB-APA-00A0,Override Manuf,BB-APA-01
How do I bake this into my kernel such that it loads at boot?
sudo update-initramfs -uk `uname -r`
*.dtbo's from /lib/firmware/ get copied to the initramfs..
then add BB-APA-01 into /boot/uEnv.txt under the v4.1.x kernel section on loading overlays..
Regards,
Matt99eo
May 9, 2016, 7:59:55 PM5/9/16
to BeagleBoard
Got the command to go but don't quite follow you on the
then add BB-APA-01 into /boot/uEnv.txt under the v4.1.x kernel section on loading overlays..
My uEnv.txt looks like this right now:
cat /boot/uEnv.txt
uname_r=4.1.23-ti-rt-r60
uuid=8b83ed28-d947-4fda-b607-d5c5faf3dbe5
dtb=am335x-boneblack-emmc-overlay.dtb
Am I missing something here in uEnv.txt?
Do I simply add this to /boot/uEnv.txt:
cat /boot/uEnv.txt
uname_r=4.1.23-ti-rt-r60
uuid=8b83ed28-d947-4fda-b607-d5c5faf3dbe5
dtb=am335x-boneblack-emmc-overlay.dtb
Am I missing something here in uEnv.txt?
Do I simply add this to /boot/uEnv.txt:
bone_capemgr.enable_partno=BB-APA-01Robert Nelson
May 9, 2016, 8:09:22 PM5/9/16
to Beagle Board
On Mon, May 9, 2016 at 6:59 PM, Matt99eo <mattmahe...@gmail.com> wrote:
Got the command to go but don't quite follow you on thethen add BB-APA-01 into /boot/uEnv.txt under the v4.1.x kernel section on loading overlays..
My uEnv.txt looks like this right now:
cat /boot/uEnv.txt
uname_r=4.1.23-ti-rt-r60
uuid=8b83ed28-d947-4fda-b607-d5c5faf3dbe5
dtb=am335x-boneblack-emmc-overlay.dtb
Am I missing something here in uEnv.txt?
Do I simply add this to /boot/uEnv.txt:
cape_enable=bone_capemgr.enable_partno=BB-APA-01
Regards,
Matt99eo
May 10, 2016, 11:59:40 AM5/10/16
to BeagleBoard
As always thanks for the help Robert!
That solved it!
That solved it!
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