Hello Guys, 

 I am also working on the BBB and with a Texas instruments cape 
TIDA-00560E1 16-bit LED driver.
I also get the same error, this cape fails to be LOADED.

I have certain questions:

1. Where can I find the .dts file for this cape?
2. I think it fails to LOAD as it has no .dtbo file in /lib/firmware
3. Does it mean , this cape is not LOADED , is that it is not enabled ? And 
I cant communicate with this cape?

Please answer asap.

BR
Adit 

On Thursday, October 15, 2015 at 5:06:10 AM UTC+2, smith.wi...@gmail.com 
wrote:
>
> I'm trying to sync up with the latest & greatest image-builder work by 
> Robert Nelson.  So far so good, I have my debian jessie 4.1.10-ti-r21 BBB 
> image built and flashed; I've converted my .dts *back* into an overlay for 
> the 4.1 capemgr with the kernels.
>
> The cape EEPROM is properly flashed, but while capemgr detects it, it 
> doesn't seem to be able to load the BB-SERIAL-00A0.dtbo located in 
> /lib/firmware:
>
> [    3.588753] bone_capemgr bone_capemgr: Baseboard: 
> 'A335BNLT,0A6A,xxxxBBBKxxxx'
> [    3.588789] bone_capemgr bone_capemgr: 
> compatible-baseboard=ti,beaglebone-black - #slots=4
> [    3.632229] bone_capemgr bone_capemgr: slot #0: 'Serial Util 
> Board,00A0,WinstonSmith,BB-SERIAL'
> [    3.688184] bone_capemgr bone_capemgr: slot #1: No cape found
> [    3.748178] bone_capemgr bone_capemgr: slot #2: No cape found
> [    3.808177] bone_capemgr bone_capemgr: slot #3: No cape found
> [    3.814213] bone_capemgr bone_capemgr: initialized OK.
> ...
> [    4.838440] bone_capemgr bone_capemgr: loader: failed to load slot-0 
> BB-SERIAL:00A0 (prio 0)
> [    9.857097] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data 
> mode. Opts: (null)
>
> Basically, the .dts simply enables UART1,2,4,5 and a DS1307 RTC.
>
> I know the .dts is ok as I can manually load the .dtbo with:
>
> echo 'BB-SERIAL' > /sys/devices/platform/bone_capemgr/slots
>
> But I can't get it to automatically load, I've tried the EEPROM detection, 
> adding it to uEnv.txt and even /etc/default/capemgr (which used to be the 
> only solution for 3.8).
>
> Back in the 3.8 days, there was an issue with the root filesystem not 
> being mounted when the capemgr did it's detection ... is this still an 
> issue (see last line of dmesg output above -- I did try adding rootwait to 
> the kernel cmdline).  In 3.8, this was easily resolved by adding 
> CAPE=BB-SERIAL to the /etc/default/capemgr (which doesn't seem to work now).
>
> Any ideas?
>
>
> -W
>
>

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