boot.txt


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# After modifying, run ./mkscr

# MAC address (use spaces instead of colons)
setenv macaddr da 19 c8 7a 6d f4

part uuid ${devtype} ${devnum}:${bootpart} uuid
setenv bootargs console=ttyS2,1500000 root=PARTUUID=${uuid} rw rootwait
setenv fdtfile rockchip/rk3399-rockpro64.dtb

if load ${devtype} ${devnum}:${bootpart} ${kernel_addr_r} /boot/Image; then
  if load ${devtype} ${devnum}:${bootpart} ${fdt_addr_r} /boot/dtbs/${fdtfile}; then
    fdt addr ${fdt_addr_r}
    fdt resize
    fdt set /ethernet@fe300000 local-mac-address "[${macaddr}]"
    if load ${devtype} ${devnum}:${bootpart} ${ramdisk_addr_r} /boot/initramfs-linux.img; then
      # This upstream Uboot doesn't support compresses cpio initrd, use kernel option to
      # load initramfs
      setenv bootargs ${bootargs} initrd=${ramdisk_addr_r},20M ramdisk_size=10M
    fi;
    booti ${kernel_addr_r} - ${fdt_addr_r};
  fi;
fi