U-Boot> fatls mmc 0:1
    13927   bcm2708-rpi-b-plus.dtb 
    13572   bcm2708-rpi-b.dtb 
    13430   bcm2709-rpi-2-b.dtb 
    17920   bootcode.bin 
       62   cmdline.txt 
     1492   config.txt 
     6479   fixup.dat 
     2505   fixup_cd.dat 
     9724   fixup_x.dat 
  2740152   start.elf 
   612920   start_cd.elf 
  3840776   start_x.elf 
   304248   uboot.bin 
   131072   uboot.env 
            pi2-kernel_11.snap/
    18432   fsck0000.rec 
    14336   fsck0001.rec 
    14336   fsck0002.rec 
  3031040   fsck0003.rec 
  6662144   fsck0004.rec 

19 file(s), 1 dir(s)

U-Boot> fatls mmc 0:1 pi2-kernel_11.snap/
U-Boot>