Hi!
I’m using https://github.com/RobertCNelson/bb.org-overlays’s
BB-BONE-LCD4-01 overlay.
On 3.8 from Debian 7.9 it works perfectly fine but on 4.1 from Debian
8.2 it won’t load.
root@beaglebone:~# echo "BB-BONE-LCD4-01" >
/sys/devices/platform/bone_capemgr/slots
-bash: echo: write error: No such file or directory
/lib/firmware/BB-BONE-LCD4-01-00A1.dtbo *is* present.
dmesg also does not help:
[ 32.040385] bone_capemgr bone_capemgr: part_number
'BB-BONE-LCD4-01', version 'N/A'
[ 32.040435] bone_capemgr bone_capemgr: slot #5: override
[ 32.040456] bone_capemgr bone_capemgr: Using override eeprom data at slot 5
[ 32.040478] bone_capemgr bone_capemgr: slot #5: 'Override Board
Name,00A0,Override Manuf,BB-BONE-LCD4-01'
Before I dive into kernel internals, is this a known regression?
Hi!
I'm using https://github.com/RobertCNelson/bb.org-overlays’s
Please only use:
my personal one is not always in sync, (just pull/pushed out to rsync,
but shouldn't affect you)
BB-BONE-LCD4-01 overlay.
On 3.8 from Debian 7.9 it works perfectly fine but on 4.1 from Debian
8.2 it won't load.
root@beaglebone:~# echo "BB-BONE-LCD4-01" >
/sys/devices/platform/bone_capemgr/slots
-bash: echo: write error: No such file or directory
/lib/firmware/BB-BONE-LCD4-01-00A1.dtbo *is* present.
dmesg also does not help:
[ 32.040385] bone_capemgr bone_capemgr: part_number
'BB-BONE-LCD4-01', version 'N/A'
[ 32.040435] bone_capemgr bone_capemgr: slot #5: override
[ 32.040456] bone_capemgr bone_capemgr: Using override eeprom data at slot 5
[ 32.040478] bone_capemgr bone_capemgr: slot #5: 'Override Board
Name,00A0,Override Manuf,BB-BONE-LCD4-01'
dmesg | grep bone ?
Coulpe known issues,
cat /proc/cmdline | grep quiet
(doesn't work without quiet)
Did you disable hdmi?
The readme: bb.org-overlays/readme.md at master · beagleboard/bb.org-overlays · GitHub
dtb=am335x-boneblack-emmc-overlay.dtb
Regards,
Robert,
thanks for your quick reply!
Hi!
I'm using https://github.com/RobertCNelson/bb.org-overlays’s
Please only use:
GitHub - beagleboard/bb.org-overlays: Device Tree Overlays for bb.org boards
noted.
my personal one is not always in sync, (just pull/pushed out to rsync,
but shouldn't affect you)
BB-BONE-LCD4-01 overlay.
On 3.8 from Debian 7.9 it works perfectly fine but on 4.1 from Debian
8.2 it won't load.
root@beaglebone:~# echo "BB-BONE-LCD4-01" >
/sys/devices/platform/bone_capemgr/slots
-bash: echo: write error: No such file or directory
/lib/firmware/BB-BONE-LCD4-01-00A1.dtbo *is* present.
dmesg also does not help:
[ 32.040385] bone_capemgr bone_capemgr: part_number
'BB-BONE-LCD4-01', version 'N/A'
[ 32.040435] bone_capemgr bone_capemgr: slot #5: override
[ 32.040456] bone_capemgr bone_capemgr: Using override eeprom data at slot 5
[ 32.040478] bone_capemgr bone_capemgr: slot #5: 'Override Board
Name,00A0,Override Manuf,BB-BONE-LCD4-01'
dmesg | grep bone ?
No grep. I did a dmesg -c and then ran the echo command.
Coulpe known issues,
cat /proc/cmdline | grep quiet
(doesn't work without quiet)
root@beaglebone:~# cat /proc/cmdline
console=tty0 console=ttyO0,115200n8
bone_capemgr.enable_partno=BB-BONE-LCD4-01 root=/dev/mmcblk0p2
rootfstype=ext4 rootwait coherent_pool=1M quiet cape_universal=enable
So, "quiet" has to be present? Ok, it is.
Did you disable hdmi?
The readme: bb.org-overlays/readme.md at master · beagleboard/bb.org-overlays · GitHub
dtb=am335x-boneblack-emmc-overlay.dtb
Yes.
See:
root@beaglebone:~# cat /sys/devices/platform/bone_capemgr/slots
0: PF---- -1
1: PF---- -1
2: PF---- -1
3: PF---- -1
Robert,
thanks for your quick reply!
Hi!
I'm using https://github.com/RobertCNelson/bb.org-overlays’s
Please only use:
GitHub - beagleboard/bb.org-overlays: Device Tree Overlays for bb.org boards
noted.
my personal one is not always in sync, (just pull/pushed out to rsync,
but shouldn't affect you)
BB-BONE-LCD4-01 overlay.
On 3.8 from Debian 7.9 it works perfectly fine but on 4.1 from Debian
8.2 it won't load.
root@beaglebone:~# echo "BB-BONE-LCD4-01" >
/sys/devices/platform/bone_capemgr/slots
-bash: echo: write error: No such file or directory
/lib/firmware/BB-BONE-LCD4-01-00A1.dtbo *is* present.
dmesg also does not help:
[ 32.040385] bone_capemgr bone_capemgr: part_number
'BB-BONE-LCD4-01', version 'N/A'
[ 32.040435] bone_capemgr bone_capemgr: slot #5: override
[ 32.040456] bone_capemgr bone_capemgr: Using override eeprom data at slot 5
[ 32.040478] bone_capemgr bone_capemgr: slot #5: 'Override Board
Name,00A0,Override Manuf,BB-BONE-LCD4-01'
dmesg | grep bone ?
No grep. I did a dmesg -c and then ran the echo command.
can you dump your full dmesg to pastebin.com
dmesg | pastebinit
Coulpe known issues,
cat /proc/cmdline | grep quiet
(doesn't work without quiet)
root@beaglebone:~# cat /proc/cmdline
console=tty0 console=ttyO0,115200n8
bone_capemgr.enable_partno=BB-BONE-LCD4-01 root=/dev/mmcblk0p2
rootfstype=ext4 rootwait coherent_pool=1M quiet cape_universal=enable
So, "quiet" has to be present? Ok, it is.
Yeap looks fine.. most LCD4's have eeprom, so you don't need the enable_partno..
The "cape_universal=enable" could get in the way
Did you disable hdmi?
The readme: bb.org-overlays/readme.md at master · beagleboard/bb.org-overlays · GitHub
dtb=am335x-boneblack-emmc-overlay.dtb
Yes.
See:
root@beaglebone:~# cat /sys/devices/platform/bone_capemgr/slots
0: PF---- -1
1: PF---- -1
2: PF---- -1
3: PF---- -1
Sadily, in 4.1.x, we don't have a good way to show it's disable, so as
long as you have:
dtb=am335x-boneblack-emmc-overlay.dtb
in /boot/uEnv.txt
that part is good..
Regards,
There you go:
http://paste.debian.net/352277/
And the same after trying to load the cape by hand:
root@beaglebone:~# echo "BB-BONE-LCD4-01" >
/sys/devices/platform/bone_capemgr/slots
-bash: echo: write error: No such file or directory
http://paste.debian.net/352278/