Why is it that some of you feel compelled to reinvent the wheel ? https://eewiki.net/display/linuxonarm/BeagleBone+Black
On Thu, Mar 26, 2015 at 7:11 PM, <[email protected]> wrote: > Hi, > > I recently build a Linux Image for the Beaglebone Black rev.C. I cannot > get working the hdmi output with this buildroot image. If I use the stock > image coming on the NAND of the beaglebone, the hdmi output is well working > so this is not an hardware failure. > > I need an image having a minimal footprint having (Qt5, nodejs, systemd, > nano, some other small packages). > > Here is what I've done to build the image on buildroot : > > $ make beaglebone_defconfig > $ make menuconfig > > I add some missing package (ti-gfx, glibc, etc...) and I build the image > using : > > $ make > > I then prepared the MicroSDCard : > > $ sudo mount /dev/sdf1 /media/boot > $ sudo mount /dev/sdf2 /media/rootfs > $ sudo cp MLO u-boot.img zImage uEnv.txt *.dtb /media/boot > $ sudo dd if=rootfs.ext2 of=/dev/sdf2 > $ sudo umount /dev/sdf1 > $ sudo umount /dev/sdf2 > > > I insert the MicrosSDCard into the BeagleBone, hold the S2 button down and > then wait until the beaglebone boot. Notice that I have an HDMI LG 24'' > monitor connected to the beaglebone and also the console (FTDI) to my > Windows computer (putty). > > The monitor remain always blank, the beaglebone do not output on. > > Someone on buildroot give me a patch to allow tilcdc to be selected in the > kernel. I applied this patch. (Patch of tilcdc > <http://repo.or.cz/w/buildroot-gz.git/patch/6312b9a5c5e37708042c0b24df8928ab74007ef9> > ). > > I rebuild the kernel : > > $ make linix-dirclean > $ make kernel > $ make > > Copy the new kernel to the SDCard, and also the rootfs (just to be sure). > But the same problem, no hdmi output ! > > While looking to the dmesg, I notice this error : > > [ 1.402202] tilcdc 4830e000.lcdc: no encoders/connectors found > [ 1.408337] tilcdc 4830e000.lcdc: failed to initialize mode setting > > I also tried modifying the uEnv.txt and setting parameters found on > internet but same blank screen. > > Now I'm very out of idea :( > > Is somebody have succeed to get hdmi working using a buildroot image ? The > guys on IRC assumed that the Buildroot configuration for the beaglebone > black may be too old and need to be updated. > > Best regards, > Martin > > -- > 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. > -- 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.
