===== my u-boot environment =====
<code>
baudrate=115200
loads_echo=0
ipaddr=169.254.254.253
serverip=169.254.254.254
rootpath=/mnt/ARM_FS/
netmask=255.255.0.0
run_diag=yes
CASset=min
MALLOC_len=1
ethprime=egiga0
bootargs_end=:::DB88FXX81:eth0:none
image_name=uImage
standalone=fsload 0x2000000 $(image_name);setenv bootargs $(console) root=/dev/mtdblock0 rw ip=$(ipaddr):$(serverip)$(bootargs_end) $(mvPhoneConfig); bootm 0x2000000;
ethmtu=1500
usb0Mode=host
nandEcc=1bit
netretry=no
rcvrip=169.254.100.100
loadaddr=0x02000000
autoload=no
ethact=egiga0
rtc_mode=active
vm_ver_smt=2.0.0
ethaddr=00:10:75:2A:82:C1
explrpk=PGGM-ZBUK-DYGR-HRHU
explrsn=NA1Y9K37
asm1_tag=11:02:11:05:21:01:17
bootargs_root=ubi.mtd=2,2048 root=ubi0:rootfs rootfstype=ubifs
console=console=ttyS0,115200
bootcmd=nand read.e 0x800000 0x100000 0x300000; setenv bootargs $(console) $(bootargs_root); bootm 0x800000
rtc_tz=PST
ntp_default=pool.ntp.org
smt_tag=11:02:11:05:21:02:58
stdin=serial
stdout=serial
stderr=serial
mainlineLinux=no
enaMonExt=no
enaCpuStream=no
enaWrAllo=no
pexMode=RC
disL2Cache=no
setL2CacheWT=yes
disL2Prefetch=yes
enaICPref=yes
enaDCPref=yes
sata_dma_mode=yes
netbsd_en=no
vxworks_en=no
bootdelay=3
disaMvPnp=no
enaAutoRecovery=no
pcieTune=no
</code>

===== missing after a 'restore' =====
<code>
set bootargs_root 'ubi.mtd=2,2048 root=ubi0:rootfs rootfstype=ubifs'
set bootcmd 'nand read.e 0x800000 0x100000 0x300000; setenv bootargs $(console) $(bootargs_root); bootm 0x800000'
set enaAutoRecovery 'no'
set ntp_default 'pool.ntp.org'
set rtc_mode 'active'
set rtc_tz 'PST'
set vm_ver_smt '2.0.0'
set asm1_tag '11:02:11:05:21:01:17'
set smt_tag '11:02:11:05:21:02:58'
set ethaddr '00:10:75:2A:82:C1'
set explrpk 'PGGM-ZBUK-DYGR-HRHU'
set explrsn 'NA1Y9K37'
</code>