imxrt1020 EVK u-boot doesn't run.

Fabio Estevam festevam at
Sun Apr 4 15:36:27 CEST 2021

Hi Nicolás,

Adding Giulio in case he has any ideas.

On Sun, Apr 4, 2021 at 10:14 AM Nicolás Muratore
<nico.m.muratore at> wrote:
> Hi everybody, hope you are doing well, my name is Nicolás Muratore from
> Argentina, I'm doing I development under imxrt1020 EVK, I did test many
> "bare metal" programs to run from SD and those work ok on this EVK, right
> now I'm thinking to work with u-boot over imxrt1020 EVK, but I have
> problems to boot the u-boot from SD, I've followed the entire procedure
> from web page
> I'm using Ubuntu 18.04 and gnu-arm-linux-gnueabi cross compiler.
> 1) I have installed the u-boot package with all dependencies and
> gcc-arm-linux-gnueabi compiler.
> 2) #sudo make mr proper
> 3) #sudo make imxrt1020-evk_defconfig
> 4) #sudo CROSS-COMPILE=arm-linu-gnueabi- make
> 5) it compiles without errors, I can see the SPL file and u-boot.img, and
> other related files, (I attached all output files to this email)..
> 6) Copy files to SD: #sudo dd if=SPL of= /dev/sdb bs=1k seek=1 conv=notrunc
> ; sync   // This process copy "SPL" file on SD card with no errors.
> 7) Copy files to SD: #sudo dd if=u-boot.img of= /dev/sdb bs=1k seek=128
> conv=notrunc ; sync   // This process copy "u-boot.img" file on SD card
> with no errors.
> After the copy process I put the SD on the imxrt1020 EVK, the SW7 in 0110
> (I have tested the EVK many times using "bare metal" and it is ok).
> I connect the USB console cable to the PC like I always do, but I can't see
> anything, it seems to be that the u-boot doesn't run.
> Would you have any idea what is going on?
> I really appreciate your help, sorry to bother you, but I'm breaking my
> mind thinking why this doesn't run on my EVK.
> Many thanks.

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