trying eMMC (BeagleBone Black) ...

mmc_send_cmd : timeout: No status update
mmc1(part 0) is current device
gpio: pin 54 (gpio 54) value is 1
SD/MMC found on device 1
Failed to mount ext2 filesystem...
** Unrecognized filesystem type **
gpio: pin 55 (gpio 55) value is 1
Checking if uenvcmd is set ...
gpio: pin 56 (gpio 56) value is 1
Running uenvcmd ...
Failed to mount ext2 filesystem...
** Unrecognized filesystem type **
Failed to mount ext2 filesystem...
** Unrecognized filesystem type **
Failed to mount ext2 filesystem...
** Unrecognized filesystem type **
Kernel image @ 0x80200000 [ 0x000000 - 0x32f450 ]
## Loading init Ramdisk from Legacy Image at 81000000 ...
   Image Name:   initramfs
   Image Type:   ARM Linux RAMDisk Image (uncompressed)
   Data Size:    2502635 Bytes = 2.4 MiB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... Bad Data CRC
Ramdisk image is corrupt or invalid

uenvcmd was not defined in uEnv.txt ...
halting ...

U-Boot#