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
<http://wiki.beyondlogic.org/index.php/BeagleBoneBlack_Building_Kernel>]
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
<http://wiki.beyondlogic.org/index.php/BeagleBoneBlack_Building_Kernel>
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
<http://stackoverflow.com/questions/23766354/reliable-build-of-the-linux-kernel-for-the-beaglebone-black>)*
:
- 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.
- *Way2 (tftp
<http://wiki.beyondlogic.org/index.php?title=Setup_TFTP_Server>)*:
- Created and configured *tftp *server on Host-PC.
- Connected Serial-USB adapter to BBB's serial port.
- Opened uBoot console, and set ip variables, both *ipaddr *and
*serverip*.
- Added to '*uEnv.txt*':
console=ttyO0, 115200n8
ipaddr=192.168.7.2
serverip=192.168.7.1
rootpath=/home/user/uboot/export/
netargs=setenv bootargs console=${console} ${optargs} root=/dev/nfs
nfsroot=${serverip}:${rootpath},${nfsopts} rw
ip=${ipaddr}:${serverip}:192.168.7.1:255.255.255.0:beaglebone:usb0:none:192.168.7.1
netboot=echo Booting from network ...; tftp ${loadaddr} ${bootfile}; tftp
$(fdraddr} ${fdtfile}; run netargs; bootz ${loadaddr} - ${fdtaddr}
uenvcmd=run netboot
- From here, no more steps worked. There is no USB connection at uBoot,
so I can't communicate with Host-PC
How can I solve the issue and send the kernel to BeagleBone?
Please, any hint or tip you can provide me it will be helpful.
KR!
--
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.
