1. #setenv ethaddr 42:6A:C3:80:24:65
  2. setenv console tty0
  3. setenv stdout serial,vga
  4. setenv stderr serial,vga
  5. setenv kernel_addr 0x02080000
  6. setenv fdt_addr 0x01f00000
  8. mmc dev 0
  10. setenv bootargs earlyprintk debug=on loglevel=1 net.ifnames=0 console=ttyS2,1500000 console=tty1 root=/dev/mmcblk0p2 rw rootfstype=ext4 fsck.repair=yes rootwait
  11. ext2load mmc 0:1 ${kernel_addr} Image
  12. ext4load mmc 0:2 ${fdt_addr} usr/lib/linux-image-5.5.0/rockchip/rk3399-rock-pi-4.dtb
  13. #fdt addr ${fdt_addr}
  14. #fdt resize 65536
  15. booti ${kernel_addr} - ${fdt_addr}

thisis my boot.cmd