mkstart, try to add the following parameters to the /uEnv.txt file, append it right after rootwait
earlyprintk=ttyO2,115200n8 earlyinitcall initcall_debug Hopefully, you'll see more debug messages! On Thu, Nov 3, 2016 at 10:54 AM, mkstart <[email protected]> wrote: > I am trying to boot linux on Beagle Board Rev. C3 with no success. Steps I > took for booting is taken from this wiki https://eewiki.net/ > display/linuxonarm/BeagleBoard . It is created by Robert Nelson. I can > see that U-Boot is started and trying to start Linux kernel, but as control > is passed to kernel I stop getting output. It looked like low-level debug > is not configured for OMAP3. I tried to recompile and configure kernel. In > menuconfig I select Kernel hacking ---> Kernel low-level debugging > functions ---> Kernel low-level debugging port and I select "Kernel > low-level debugging messages via OMAP3 UART3". I also select Early printk(I > am not sure if I need this). After compiling I have no progress. I also > connect monitor via hdmi and I see yellow screen only. > Could you please give me some idea? > > This is my output: > U-Boot 2016.09-dirty (Nov 02 2016 - 12:23:39 +0100) > > OMAP3530-GP ES3.0, CPU-OPP2, L3-165MHz, Max CPU Clock 600 MHz > OMAP3 Beagle board + LPDDR/NAND > I2C: ready > DRAM: 256 MiB > NAND: 256 MiB > MMC: OMAP SD/MMC: 0 > *** Warning - bad CRC, using default environment > > Beagle Rev C1/C2/C3 > Timed out in wait_for_event: status=1000 > Check if pads/pull-ups of bus are properly configured > No EEPROM on expansion board > Timed out in wait_for_bb: status=1000 > No EEPROM on expansion board > OMAP die ID: 3d00000300000000040323090b01e00a > Net: usb_ether > Error: usb_ether address not set. > > Hit any key to stop autoboot: 0 > switch to partitions #0, OK > mmc0 is current device > SD/MMC found on device 0 > Checking for: /uEnv.txt ... > Checking for: /boot/uEnv.txt ... > 23 bytes read in 11 ms (2 KiB/s) > Loaded environment from /boot/uEnv.txt > Checking if uname_r is set in /boot/uEnv.txt... > Running uname_boot ... > loading /boot/vmlinuz-4.7.8-armv7-x3 ... > 6089504 bytes read in 543 ms (10.7 MiB/s) > loading /boot/dtbs/4.7.8-armv7-x3/omap3-beagle.dtb ... > 109840 bytes read in 277 ms (386.7 KiB/s) > debug: [console=ttyO2,115200n8 root=/dev/mmcblk0p2 ro rootfstype=ext4 > rootwait musb_hdrc.fifo_mode=5] ... > debug: [bootz 0x82000000 - 0x88000000] ... > ## Flattened Device Tree blob at 88000000 > Booting using the fdt blob at 0x88000000 > Loading Device Tree to 8ffe2000, end 8ffffd0f ... OK > > Starting kernel ... > > -- > 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]. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/beagleboard/06cc049f-a321-4b2a-aac5-bd9e9853a878%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/06cc049f-a321-4b2a-aac5-bd9e9853a878%40googlegroups.com?utm_medium=email&utm_source=footer> > . > 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAGNmLEMQXFg%3DZpiTHMw3amV0DaBV2sud3b%2BeUmDp89Bo2pn4Aw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
