On Mon, Nov 05, 2012 at 22:24:28, Mark Jackson wrote: > On 31/10/12 13:57, Hiremath, Vaibhav wrote: > > On Wed, Oct 31, 2012 at 19:11:03, Mark Jackson wrote: > >> On 30/10/12 14:48, Vaibhav Hiremath wrote: > >> > >> Okay, so I'm now coming up against a brick wall regarding U-Boot. > >> > >> The Kernel boots fine (as per the tree + patch above) provided I build U-Boot using the > >> v2011.09_AM335xPSP_04.06.00.06 branch from git://arago-project.org/git/projects/u-boot-am33x.git > >> > >> If I try the latest mainline U-Boot (or the TI branch), I just get to "Starting kernel ..." and then > >> hangs. > >> > >> I'm going to raise this query on the U-Boot ML, but can you let me know which U-Boot image you're > >> using ? > >> > > > > > > I am using Mainline u-boot and it works for me. Can you paste u-boot boot > > log and environment variable here? > > > > Thanks, > > Vaibhav > > So I've now spent several days trying to fix this problem, but still no joy. > > Did my previous emails give any clue as to where I'm going wrong ? > > Thanks for any help you can provide. > Sorry for delayed response, I was really got pulled into other things, now I am back. I looked at your boot-log, didn't understand how it was booting earlier for you - ------------------------ mainline U-Boot boot log ------------------------ U-Boot SPL 2012.10-00434-ged296d2 (Oct 31 2012 - 14:18:50) OMAP SD/MMC: 0 reading u-boot.img reading u-boot.img > ------------------------ > mainline U-Boot boot log > ------------------------ > U-Boot SPL 2012.10-00434-ged296d2 (Oct 31 2012 - 14:18:50) > OMAP SD/MMC: 0 > reading u-boot.img > reading u-boot.img > > > U-Boot 2012.10-00434-ged296d2 (Oct 31 2012 - 14:18:50) > > I2C: ready > DRAM: 256 MiB This is important, since u-boot relocated DTB file. > WARNING: Caches not enabled > MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1 > Using default environment > > Net: cpsw > Hit any key to stop autoboot: 0 > mmc0 is current device > SD/MMC found on device 0 > reading uEnv.txt > 29 bytes read > Loaded environment from uEnv.txt > Importing environment from mmc ... > 4315695 bytes read > Booting from mmc ... > ## Booting kernel from Legacy Image at 80200000 ... > Image Name: Linux-3.7.0-rc1-47802-ge7289dc-d > Image Type: ARM Linux Kernel Image (uncompressed) > Data Size: 4308448 Bytes = 4.1 MiB > Load Address: 80008000 > Entry Point: 80008000 > Verifying Checksum ... OK > Loading Kernel Image ... OK > OK > Where is your DTB? Is it appended to Kernel image? Can you try below sequence/commands from u-boot? mmc rescan 0 fatload mmc 0 80000000 am335x-bone.dtb fatload mmc 0 81000000 uImage setenv bootargs console=ttyO0,115200n8 mem=256M root=/dev/mmcblk0p2 rw noinitrd rootfstype=ext3 rootwait earlyprink=serial sendln 'bootm 81000000 - 80000000' To build DTB files, use "make dtbs" command on your kernel home directory. Thanks, Vaibhav > Starting kernel ... > Mark J. > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
