root@beaglebone:/media/BOOT# more uEnv.txt
kernel_file=zImage
initrd_file=uInitrd
initrd_high=0xffffffff
fdt_high=0xffffffff

#Video: Uncomment to override:
#kms_force_mode=video=HDMI-A-1:1024x768@60

##BeagleBone Cape Overrides
##Note: On the BeagleBone Black, there is also an uEnv.txt in the eMMC, so if these chang
es do not seem to be makeing a difference...

##BeagleBone Black:
##Disable HDMI/eMMC
#optargs=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN,BB-BONE-EMMC-2G

console=ttyO0,115200n8

mmcroot=/dev/mmcblk0p2 ro
mmcrootfstype=ext4 rootwait fixrtc

loadkernel=load mmc ${mmcdev}:${mmcpart} 0x80200000 ${kernel_file}
loadinitrd=load mmc ${mmcdev}:${mmcpart} 0x81000000 ${initrd_file}; setenv initrd_size ${
filesize}
loadfdt=load mmc ${mmcdev}:${mmcpart} 0x815f0000 /dtbs/${fdtfile}

boot_classic=run loadkernel; run loadinitrd
boot_ftd=run loadkernel; run loadinitrd; run loadfdt

device_args=run expansion_args; run mmcargs
mmcargs=setenv bootargs console=${console} ${optargs} ${kms_force_mode} root=${mmcroot} r
ootfstype=${mmcrootfstype} ${expansion}

expansion_args=setenv expansion ip=${ip_method}
#Classic Board File Boot:
#uenvcmd=run boot_classic; run device_args; bootz 0x80200000 0x81000000:${initrd_size}
#New Device Tree Boot:
uenvcmd=run boot_ftd; run device_args; bootz 0x80200000 0x81000000:${initrd_size} 0x815f0
000