=> printenv
aw-ubi-spinand.ubootblks=24
boot_dsp0=sunxi_flash read 45000000 ${dsp0_partition};bootr 45000000 0 0
boot_fastboot=fastboot
boot_normal=sunxi_flash read 45000000 ${boot_partition};bootm 45000000
boot_partition=boot
boot_recovery=sunxi_flash read 45000000 recovery;bootm 45000000
bootcmd=run setargs_nand_ubi boot_dsp0 boot_normal
bootdelay=3
cma=8M
console=ttyS0,115200
dsp0_partition=dsp0
earlyprintk=sunxi-uart,0x02500000
fdtcontroladdr=beaaad70
filesize=10000
force_normal_boot=1
init=/sbin/init
initcall_debug=0
keybox_list=widevine,ec_key,ec_cert1,ec_cert2,ec_cert3,rsa_key,rsa_cert1,rsa_cert2,rsa_cert3
loglevel=8
mmc_root=/dev/mmcblk0p5
mtd_name=sys
nand_root=/dev/ubiblock0_5
partitions=mbr@ubi0_0:boot-resource@ubi0_1:env@ubi0_2:env-redund@ubi0_3:boot@ubi0_4:rootfs@ubi0_5:dsp0@ubi0_6:recovery@ubi0_7:UDISK@ubi0_8:
root_partition=rootfs
rootfstype=squashfs
setargs_mmc=setenv  bootargs earlyprintk=${earlyprintk} clk_ignore_unused initcall_debug=${initcall_debug} console=${console} loglevel=${loglevel} root=${mmc_root} rootwait  init=${init} partitions=${partitions} cma=${cma} snum=${snum} mac_addr=${mac} wifi_mac=${wifi_mac} bt_mac=${bt_mac} specialstr=${specialstr} gpt=1
setargs_nand=setenv bootargs ubi.mtd=${mtd_name} ubi.block=0,${root_partition} earlyprintk=${earlyprintk} clk_ignore_unused initcall_debug=${initcall_debug} console=${console} loglevel=${loglevel} root=${nand_root} rootfstype=${rootfstype} init=${init} partitions=${partitions} cma=${cma} snum=${snum} mac_addr=${mac} wifi_mac=${wifi_mac} bt_mac=${bt_mac} specialstr=${specialstr} gpt=1
setargs_nand_ubi=setenv bootargs ubi.mtd=${mtd_name} ubi.block=0,${root_partition} earlyprintk=${earlyprintk} clk_ignore_unused initcall_debug=${initcall_debug} console=${console} loglevel=${loglevel} root=${nand_root} rootfstype=${rootfstype} init=${init} partitions=${partitions} cma=${cma} snum=${snum} mac_addr=${mac} wifi_mac=${wifi_mac} bt_mac=${bt_mac} specialstr=${specialstr} gpt=1
ubi_attach_mtdnum=3

Environment size: 2044/131067 bytes
=> help
?       - alias for 'help'
base    - print or set address offset
bdinfo  - print Board Info structure
boot    - boot default, i.e., run 'bootcmd'
bootd   - boot default, i.e., run 'bootcmd'
booti   - boot Linux kernel 'Image' format from memory
bootm   - boot application image from memory
bootr   - boot application image from memory
chpart  - change active partition
cmp     - memory compare
colorbar- show colorbar
coninfo - print console devices and information
cp      - memory copy
crc32   - checksum calculation
disp    - show display status
dm      - Driver model low level access
echo    - echo args to console
editenv - edit environment variable
efex    - run to efex
env     - environment handling commands
erase   - erase FLASH memory
fastboot- fastboot - enter USB Fastboot protocol
fatinfo - print information about filesystem
fatload - load binary file from a dos filesystem
fatls   - list files in a directory (default /)
fatsize - determine a file's size
fdt     - flattened device tree utility commands
flinfo  - print FLASH memory information
gpt     - GUID Partition Table
gzwrite - unzip and write memory to block device
help    - print command description/usage
itest   - return true/false on integer compare
led     - manage LEDs
loadb   - load binary file over serial line (kermit mode)
loads   - load S-Record file over serial line
loadx   - load binary file over serial line (xmodem mode)
loady   - load binary file over serial line (ymodem mode)
logo    - show default logo
loop    - infinite loop on address range
lzmadec - lzma uncompress a memory region
md      - memory display
mm      - memory modify (auto-incrementing address)
mmc     - MMC sub system
mmcinfo - display MMC info
mtdparts- define flash/nand partitions
mw      - memory write (fill)
nm      - memory modify (constant address)
part    - disk partition related commands
pbread  - read data from private data
printenv- print environment variables
protect - enable or disable FLASH write protection
pst     - read data from secure storageerase flag in secure storage
reset   - Perform RESET of the CPU
run     - run commands in an environment variable
saveenv - save environment variables to persistent storage
set_working_fdt- set_working_fdt fdt_addr
setenv  - set environment variables
setexpr - set environment variable as the result of eval expression
sleep   - delay execution for some time
source  - run script from memory
sprite_test- do a sprite test
sunxi_bmp_info- manipulate BMP image data
sunxi_bmp_show- manipulate BMP image data
sunxi_card0_probe- probe sunxi card0 device
sunxi_flash- sunxi_flash sub-system
sunxi_so- sunxi_so sub-system
timer_test- do a timer and int test
timer_test1- do a timer and int test
ubi     - ubi commands
ubifsload- load file from an UBIFS filesystem
ubifsls - list files in a directory
ubifsmount- mount UBIFS volume
ubifsumount- unmount UBIFS volume
uburn   - do a burn from boot
unzip   - unzip a memory region
version - print monitor, compiler and linker version
=>