Hi Nicolás, Adding Giulio in case he has any ideas.
On Sun, Apr 4, 2021 at 10:14 AM Nicolás Muratore <nico.m.murat...@gmail.com> 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 > https://u-boot.readthedocs.io/en/stable/board/freescale/imxrt1020-evk.html: > > 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.