Thanks. I synced the uboot code from upstream source tree[1] and applied the config changes[2] into include/configs/rpi.h, as I am trying to use Raspberry Pi2 as reference board. Now, I wanted to see if my custom generated uboot.bin works on the board. So, I downloaded the rpi2 snap source from [3], replaced the u-boot.bin into /snappy-systems/pi2.moved/boot-assets/ and renamed it uboot.bin. Ran snappy build in main pi2.moved directory to generate the .snap file. Using this snap file and the device tar ball from [4], created the image file using below command. sudo ubuntu-device-flash core 15.04 --oem mycustom_2.1_all.snap --developer-mode --device-part=device-pi2-0.16.tar.xz -o pi2.img. Flashing this image, goes to u-boot, but doesn't boot the kernel. Also, don't see the environment variables being loaded due to below error: reading uboot.env *** Warning - bad CRC, using default environment
printenv shows the default environment and not the ones in uboot.env/ uboot.env.in, which I didn't modify either. Can you help understand which part I am missing here or doing something wrong, so I can get the uboot.env loaded correctly and in turn boot to the already existing kernel? I am using gcc-arm-linux-gnueabihf for compiling the u-boot from [1] and using 'make all' command. Is there a place where I should change the checksum of the uboot.env, even though I didn't change any? [1] git clone git://git.denx.de/u-boot.git [2] http://paste.ubuntu.com/15793824/ [3] https://code.launchpad.net/~snappy-dev/snappy-hub/snappy-systems [4] http://people.canonical.com/~platform/snappy/raspberrypi2/ _Swami On Tue, Apr 12, 2016 at 2:07 PM, Oliver Grawert <o...@ubuntu.com> wrote: > hi, > Am Dienstag, den 12.04.2016, 13:11 -0700 schrieb Swami: > > Oliver, But, where can I find the entire source tree for files such > > as mentioned in your snippet below? like: > > include/configs/am335x_evm.h. Something like a git tree of all the > > source code, including this boot systems (either grub or uboot) > > > as i said, we use the upstream source tree and only apply the config > changes shown in the pastebin ... > > http://www.denx.de/wiki/U-Boot/SourceCode > > ciao > oli
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