U-Boot> printenv
"bootcmd=nand read 0x20000000 0x0460000 0xa00000
baudrate=115200
bootargs=mem=32M noinitrd console=ttyS0,115200n8 earlyprintk=serial,ttyS0,115200n8 root=/dev/mtdblock6 rw rootfstype=jffs2 rootwait init=/bin/sh
bootcmd=nand read 0x20000000 0x0460000 0xa00000; bootm 0x20100000 - 0x20000000
bootdelay=3
ethact=macb0
ethaddr=00:1f:f2:00:00:00
ipaddr=192.168.0.136
netmask=255.255.255.0
serverip=192.168.0.2
stderr=serial
stdin=serial
stdout=serial

Environment size: 472/131067 bytes
U-Boot>