$ ls /boot/uboot/ -al
total 7565
drwxr-xr-x 3 root root    1536 Jan  1  1970 .
drwxr-xr-x 5 root root     110 Apr 11  2017 ..
-rwxr-xr-x 1 root root   13927 Mar 14 13:03 bcm2708-rpi-b-plus.dtb
-rwxr-xr-x 1 root root   13572 Mar 14 13:03 bcm2708-rpi-b.dtb
-rwxr-xr-x 1 root root   15356 Mar 14 13:03 bcm2709-rpi-2-b.dtb
-rwxr-xr-x 1 root root   15992 Mar 14 13:03 bcm2710-rpi-3-b.dtb
-rwxr-xr-x 1 root root   15343 Mar 14 13:03 bcm2710-rpi-cm3.dtb
-rwxr-xr-x 1 root root   17920 Mar 14 13:03 bootcode.bin
-rwxr-xr-x 1 root root      75 Mar 14 13:03 cmdline.txt
-rwxr-xr-x 1 root root    1492 Mar 14 13:03 config.txt
-rwxr-xr-x 1 root root    6479 Mar 14 13:03 fixup.dat
-rwxr-xr-x 1 root root    2505 Mar 14 13:03 fixup_cd.dat
-rwxr-xr-x 1 root root    9724 Mar 14 13:03 fixup_x.dat
drwxr-xr-x 3 root root     512 Oct 26 11:36 pi2-kernel_22.snap
-rwxr-xr-x 1 root root 2740152 Mar 14 13:03 start.elf
-rwxr-xr-x 1 root root  612920 Mar 14 13:03 start_cd.elf
-rwxr-xr-x 1 root root 3840776 Mar 14 13:03 start_x.elf
-rwxr-xr-x 1 root root  304248 Mar 14 13:03 uboot.bin
-rwxr-xr-x 1 root root  131072 Mar 14 20:05 uboot.env