On Wed, Jan 27, 2016 at 9:43 AM, <[email protected]> wrote: > Hi all, > > finally I have launched myself to build a new kernel for my BeaglBone Black, > as this is my first time, I have read lot of links and follow the steps > proposed at some of them. > I have been able to cconfigure and compile the kernel, but there is no way > to upload the kernel to target, BeagleBone Black. So, I can't verify if it > is working or not. > > I'm going to explain all the steps I have done, and what I have tested in > order to get your help. > > BeagleBone Black Configuration: > > Hardware: BeagleBone Black 4GB rev.C > OS: Debian 4.6.3-14 > Kernel (current): 3.8.13-bone79 > Internet connection: USB ('USB0') > > > Configure and Compile the Kernel: [Link] > > 1. ARM Cross Compiler: arm-linux-gnueabihf- > > 2. GIT -> downloaded kernel 4.1 > > 3. Installed 'lzop' tool and 'libssl-dev'. > > 4. Downloaded U-Boot tools, made and installed (included 'mkimage' tool). > > > > wget ftp://ftp.denx.de/pub/u-boot/u-boot-latest.tar.bz2 > tar -xjf u-boot-latest.tar.bz2 > cd into u-boot directory > make sandbox_defconfig tools-only > sudo install tools/mkimage /usr/local/bin > > > > 5. Compiled the BeagleBone Black kernel. > > git clone git://github.com/beagleboard/linux.git > > cd linux > > git checkout 4.1 > > make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- bb.org_defconfig > > make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- menuconfig (To modify > some features) > > make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- -j4 > > make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- uImage dtbs > LOADADDR=0x80008000 -j4 > > > > 6. Build kernel modules. > > make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- modules -j4 > > > > 7. Rootfs folder: > > make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- > INSTALL_MOD_PATH=/home/user/export/rootfs modules_install > > > Once, kernel is built, it is upload time. For such action, I have test both > suggestions from link above, also another one. > Now, I will explain how I have tried to do it and the results, moreover my > doubts. > > Upload Kernel: > > Way1 (brute force): > > To be fast, '4.1.15' modules were copied to '/lib/modules/4.1.15' path. > uImage was copied from 'arch/arm/boot' on Host-PC to '/boot/uboot' on BBB. > am335x-boneblack.dtb was copied from 'arch/arm/boot/dts' on Host-PC to > '/boot/uboot/dtbs' on BBB. > Then, BBB is rebooted, but BBB is halted at boot. The four leds are switched > on permanently. > I have to restore the BBB with the SD Card. > > Which is the right kernel image, uImage or zImage? I have compiled uImage > but I saw at so many websites that the image to upload is zImage.
Don't bother with "uImage".. Use the zImage... Grab a 3.3v ftdi usb serial cable and actually watch the boot process, unless you enjoy guessing what's going on.. Regards, -- Robert Nelson https://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.
