On Wed, Aug 6, 2014 at 11:01 AM, Julien <[email protected]> wrote: > Robert Nelson <robertcnelson@...> writes: > >> >> On Tue, Aug 5, 2014 at 9:30 AM, <penou87@...> wrote: >> > Hi, >> > >> > I'm currently working on a custom BeagleBone Black of ours and I have a > few >> > problem. The electronic is the same except that there is no graphic chip > and >> > no EEPROM. >> > >> > I'm booting on a µSD card the Angstrom distribution used in the BBB. The >> > board is working well except that I have the following message during > the >> > boot "[ 5.561536] bone-capemgr bone_capemgr.9: Failed to scan > baseboard >> > eeprom". >> > >> > This is perfectly normal because I have no EEPROM. My problem is that I >> > didn't know that the EEPROM was mandatory to initialize the cape > manager. >> > Thus, my EMMC is not loaded by the OS. >> > >> > I already tried to enable the cape with the uEnv.txt but it did nothing. >> > I also tried to load it manually but in my cape manager folder there is > no >> > "slot" file so i guess that the cape manager is simply OFF. >> > >> > Is there a way to bypass the EEPROM and to load by default the EMMC cape > ? >> > I'm actually going through the kernel compilation, i'm afraid that I > can't >> > avoid it. >> > Does someone have any experience on this ? >> >> Mainline kernel has the eMMC setup by default in the dts... >> >> Since you didn't specify a need for v3.8.x/capemgr, it's a viable option. > ;) >> >> Regards, >> > > Hi Roberts, > > Thank you this is great news. The reason why I didn't go with kernel version > over 3.8.x is because the u-boot that I tried didn't include a default load > device tree.
As long as your clone has the same memory and is 1Ghz version of the am335x, you can use this u-boot patch: https://github.com/RobertCNelson/Bootloader-Builder/blob/master/patches/v2014.07/0002-NFM-Production-eeprom-assume-device-is-BeagleBone-Bl.patch > > So now, I'm trying to use the eMMC Flasher from this link : > http://elinux.org/BeagleBoardUbuntu#eMMC:_BeagleBone_Black > > I have a few problems with the MLO and the u-boot since I have no EEPROM. > I used the old MLO which agrees that I'm using a BBB by default. But I'm > still blocked on the u-boot part. > > I tried using the uEnv.txt file with the following args but it is not > working: > board_name=A335BNLT > fdtfile=am335x-boneblack.dtb > uenvcmd=run loadimage; run loadfdt; run mmcargs; bootz ${loadaddr} - > ${fdtaddr} > fdtdir=/boot/dtbs/3.8.13-bone59 > > My main problems are the following: > ** Unable to read file /zImage ** > ** Unable to read file /boot/dtbs/3.8.13-bone59/am335x-boneblack.dtb ** > Bad Linux ARM zImage magic! > > Do you know how I could solve this ? Regards, -- Robert Nelson http://www.rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
