Hi, I am worried about NAND boot problem.
I installed a yocto image on NAND successfully (message shows that) with SD boot, and after that I removed the SD card and switched to NAND boot mode. However it says nothing when booting. I checked a message with teraterm (serial connect).
I use a variscite's i.mx6 board.
I followed this site: VAR-SOM-MX6 Yocto Jethro R4 Build Yocto release - Variscite Wiki
I bitbaked fsl-image-gui and after that I created an extended SD card for NAND boot.
I installed on SD card with following command.
sudo MACHINE=imx6ul-var-dart ~/var-som-mx6-yocto-jethro/sources/meta-variscite-mx6/scripts/var_mk_yocto_sdcard/var-
create-yocto-sdcard.sh -a /dev/sdb
where sdb means SD card (checked with lsblk).
Next, I inserted the SD card into the board and execute following command.
install_yocto.sh -b mx6ul -r nand -v sd
When this process is ended, it says "Installed successfully".
After checking this message, I turned off the board, removed the SD card and switched to NAND boot mode.
However NAND boot is failed.
When I inserted SD card and booted with NAND mode, some messages like "boot mode: NAND, SPL: unsupported boot device" are displayed.
Why can't I execute NAND boot ?
Awaiting your kindly advices !