bootcmd设置了tftp却无法识别
U-Boot 2017.11 (Mar 05 2019 - 19:04:15 -0800) for itop-4412
CPU: Exynos4412 @ 1 GHz
Model: TOPEET iTop 4412 Elite board based on Exynos4412
Board: TOPEET iTop 4412 Elite board based on Exynos4412
DRAM: 1 GiB
WARNING: Caches not enabled
MMC: SAMSUNG SDHCI: 1, EXYNOS DWMMC: 0
Hit any key to stop autoboot: 0
Unknown command 'tftp' - try 'help'
Unknown command 'tftp' - try 'help'
Wrong Image Format for bootm command
ERROR: can't get kernel image!
bootcmd 设置如下：
setenv serverip 192.168.31.215 主机虚拟机IP
setenv ipaddr 192.168.31.88 板子的ip
setenv gatewayip 192.168.31.1 网关的ip
setenv bootcmd tftp 41000000 uImage\;tftp 42000000 exynos4412-itop-elite.dtb\;bootm 41000000 - 42000000
setenv bootargs root=/dev/nfs nfsroot=192.168.31.215:/home/linux/system rw console=ttySAC2,115200 clk_ignore_unused init=/linuxrc ip=192.168.31.88
saveenv
求助，这个问题折腾了我好久，一直没解决
猜测是uboot版本问题？
