l'u-boot :

U-Boot 2020.04-g2f62d479 (Nov 23 2021 - 16:48:44 +0100)



CPU: i.MX6ULL rev1.1 792 MHz (running at 396 MHz)
CPU: Industrial temperature grade (-40C to 105C) at 48C
Reset cause: POR
Model: Conduent Ticket Validator VAL900
Board: VAL900_IMX6
I2C: ready
DRAM: 512 MiB
MMC: FSL_SDHC: 0, FSL_SDHC: 1
Fail to setup video link
In: serial
Out: serial
Err: serial
PSN: 000001
LOGO: 82145400, version 01.01 patch 003
Net: No ethernet found.
Normal Boot
Hit any key to stop autoboot: 0
setenv fdtfile imx6ull-uce050-val.dtb
trying to boot from emmc...
switch to partitions #0, OK
mmc1(part 0) is current device
SD/MMC/EMMC found on device 1
Checking in boot partition for: /uEnv.txt ...
29 bytes read in 10 ms (2 KiB/s)
Loaded environment from /uEnv.txt
Checking if uenvcmd is set ...
Running uenvcmd ...
try hardware partition for booting ...
Checking for: /boot/uEnv.txt ...
52 bytes read in 15 ms (2.9 KiB/s)
Loaded environment from /boot/uEnv.txt
Using: dtb=imx6ull-uce050-val.dtb ...
Checking if uname_r is set in /boot/uEnv.txt...
Running uname_boot ...
Using: mmcroot=PARTUUID=230246c8-06b7-49a4-ae10-dd5805a413d6 ro ...
loading /boot/vmlinuz-5.4.70-armv7-x38 ...
7200624 bytes read in 179 ms (38.4 MiB/s)
loading /boot/dtbs/imx6ull-uce050-val.dtb ...
38290 bytes read in 24 ms (1.5 MiB/s)
debug: [console=ttymxc0,115200 root=PARTUUID=230246c8-06b7-49a4-ae10-dd5805a413d6 ro rootfstype=ext4 rootwait] ...
debug: [bootz 0x80800000 - 0x83000000] ...
Kernel image @ 0x80800000 [ 0x000000 - 0x6ddf70 ]
## Flattened Device Tree blob at 83000000
Booting using the fdt blob at 0x83000000
Using Device Tree in place at 83000000, end 8300c591
ft_system_setup for mx6



Starting kernel ...