topic Re: trouble booting linux kernel for imx6ull in i.MX Processors

trouble booting linux kernel for imx6ull

haithemsmida — Wed, 05 Apr 2017 17:24:42 GMT

Hello every body,

I just started integration of an im6uLL board, trying some test with an evk board.

I'd like to compile a linux kernel and use it, but the kernel doesn't boot and freeze

here is the detail of what i tried:

downloading kernel source from: linux-imx.git - i.MX Linux Kernel (4.1.15_2.0.0 GA)

create a sid chroot

use the sid chroot and add architecture armhf

installing arm-toolchain arm-linux-gnueabihf

export ARCH=arm

export CROSS_COMPILE=arm-linux-gnueabihf-

make menuconfig , and activate imx6ull support

make

copy the new zImage and imx6ull-14x14-evk.dtb on the microSD

fatload mmc 1:1 0x83000000 imx6ull-14x14-evk.dtb

fatload mmc 1:1 0x80800000 zImage

bootz 0x80800000 - 0x83000000

After calling bootz, and entring kernel_entry(0, machid, r2); in boot_jump_linux ,

the linux kernel freeze with no debug trace.

i tried also the use the predefined config : imx_v6_v7_defconfig

make imx_v6_v7_defconfig

make

but I get compilation error :undefined reference to `mxc_dispdrv_gethandle'

seems strange the support of this board !

could any one please help me figure out what's going on.

Re: trouble booting linux kernel for imx6ull

igorpadykov — Wed, 05 Apr 2017 23:52:51 GMT

Hi haithem

please follow attached Yocto Guide sect.5 Image Build

and Linux Guide for bootitng. More documentation can be found on

http://www.nxp.com/products/software-and-tools/software-development-tools/i.mx-software-and-tools/i.mx-6series-i.mx-7series-software-and-development-tool-resources:IMX_SW

Best regards
igor
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Re: trouble booting linux kernel for imx6ull

jian_jiang — Thu, 20 Apr 2017 07:17:21 GMT

Hi haithem,

You may use the imx_v7_defconfig to have a try.

Or you can build a Yocto Project and use the MFG Tools to download the uboot, kernel, dtb and rootfs according to the doc attached by igor.

All the Best

Kane