PX30 SDK UBOOT缺少"saveenv"命令

如题

U-Boot 2017.09 (Mar 16 2021 - 16:59:51 +0800)

Model: Rockchip PX30 EVB
PreSerial: 2
DRAM:  992 MiB
Sysmem: init
Relocation Offset is: 3dbe5000
Using default environment

dwmmc@ff390000: 0
Bootdev(atags): mmc 0
MMC0: HS200, 150Mhz
PartType: EFI
boot mode: None
Load FDT from boot part
DTB: rk-kernel.dtb
I2c speed: 100000Hz
PMIC:  RK8090 (on=0x40, off=0x00)
vdd_logic 1100000 uV
vdd_arm 1100000 uV
Model: AIO-PX30JD4 Board (Linux Opensource)
Rockchip UBOOT DRM driver version: v1.0.1
Using display timing dts
Detailed mode clock 72000 kHz, flags[a]
    H: 1280 1340 1380 1440
    V: 0800 0816 0822 0838
bus_format: 100e
CLK: (sync kernel. arm: enter 600000 KHz, init 600000 KHz, kernel 600000 KHz)
  apll 600000 KHz
  dpll 664000 KHz
  cpll 576000 KHz
  npll 1188000 KHz
  gpll 1200000 KHz
  aclk_bus 200000 KHz
  hclk_bus 150000 KHz
  pclk_bus 100000 KHz
  aclk_peri 200000 KHz
  hclk_peri 150000 KHz
  pclk_pmu 100000 KHz
Net:   eth0: ethernet@ff360000
Hit key to stop autoboot('CTRL+C'):  0
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=> help
?       - alias for 'help'
android_print_hdr- print android image header
base    - print or set address offset
bdinfo  - print Board Info structure
boot_android- Execute the Android Bootloader flow.
booti   - boot arm64 Linux Image image from memory
bootm   - boot application image from memory
bootp   - boot image via network using BOOTP/TFTP protocol
bootrkp - Boot Linux Image from rockchip image type
charge  - Charge display
cmp     - memory compare
coninfo - print console devices and information
cp      - memory copy
crc32   - checksum calculation
dhcp    - boot image via network using DHCP/TFTP protocol
dm      - Driver model low level access
download- enter rockusb/bootrom download mode
dump_atags- Dump the content of the atags
dump_bidram- Dump bidram layout
dump_irqs- Dump IRQs
dump_sysmem- Dump sysmem layout
dvfs    - Start DVFS policy
echo    - echo args to console
editenv - edit environment variable
env     - environment handling commands
exit    - exit script
ext2load- load binary file from a Ext2 filesystem
ext2ls  - list files in a directory (default /)
ext4load- load binary file from a Ext4 filesystem
ext4ls  - list files in a directory (default /)
ext4size- determine a file's size
false   - do nothing, unsuccessfully
fastboot- use USB or UDP 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
fatwrite- write file into a dos filesystem
fdt     - flattened device tree utility commands
fstype  - Look up a filesystem type
go      - start application at address 'addr'
gpt     - GUID Partition Table
help    - print command description/usage
iomem   - Show iomem data by device compatible(high priority) or node name
lcdputs - print string on video framebuffer
load    - load binary file from a filesystem
loop    - infinite loop on address range
ls      - list files in a directory (default /)
md      - memory display
mdio    - MDIO utility commands
mii     - MII utility commands
mm      - memory modify (auto-incrementing address)
mmc     - MMC sub system
mmcinfo - display MMC info
mw      - memory write (fill)
nfs     - boot image via network using NFS protocol
nm      - memory modify (constant address)
part    - disk partition related commands
ping    - send ICMP ECHO_REQUEST to network host
printenv- print environment variables
pxe     - commands to get and boot from pxe files
rbrom   - Perform RESET of the CPU
reset   - Perform RESET of the CPU
rkimgtest- Test if storage media have rockchip image
rknand  - rockchip nand flash sub-system
rktest  - Rockchip board modules test
rockchip_show_bmp- load and display bmp from resource partition
rockchip_show_logo- load and display log from resource partition
rockusb - Use the rockusb Protocol
run     - run commands in an environment variable
save    - save file to a filesystem
setcurs - set cursor position within screen
setenv  - set environment variables
showvar - print local hushshell variables
size    - determine a file's size
source  - run script from memory
sysboot - command to get and boot from syslinux files
test    - minimal test like /bin/sh
tftpboot- boot image via network using TFTP protocol
true    - do nothing, successfully
ums     - Use the UMS [USB Mass Storage]
usb     - USB sub-system
usbboot - boot from USB device
version - print monitor, compiler and linker version
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