boot -h

Usage: boot [-m <machine>] [-b <bootloader file>] [-c <boot command line>] [-d <serial device>] [-p <pcip>] [-s <stbip>] [-h] [-v]
  -m & -b:if you use -b, you don't need to use -m.
  -m machine list:gx3200|gx3201|gx3201-3231|gx3201-6601-dvbs2|gx3201-6602-dvbs2|gx3201-6605-dvbs2|gx3201-3201-dvbc|gx3201-3201-dvbt2|gx3201-3201e-dvbc
  -c command list:netdown <flash addr|partition name> <file name> [yaffs2]
                 :serialdown <flash addr|partition name> <file name> [yaffs2]
                 :usbdown <flash addr|partition name> <file name> [yaffs2]
                 :serialdump <flash addr|partition name> <length> <file name>
                 :flash erase <flash addr> <length>
                 :flash erase <partition name>
                 :flash eraseall
                 :load_conf_down <config file name|merge bin name> <serialdown|netdown|usbdown> [usb bin path]
                 :gx_otp read <gx otp address> <length> <file name>
                 :gx_otp tread <gx otp address> <length> 
                 :gx_otp write <gx otp address> <file name> 
                 :gx_otp twrite <gx otp address> <hex digits string> 
                 :sflash_otp <lock|status|erase|setregion num|getregion> 
                 :sflash_otp read <otp address> <length> 
                 :sflash_otp write <otp address> <file name> 
                 :eeprom read <eeprom address> <length> <file name>
                 :eeprom write <eeprom address> <file name> 
                 :compare <src_file> <dst_file> 
  ex. boot -m gx3201-3201-dvbc -c netdown 0 loader-sflash.bin
      boot -m gx3201 -c netdown 0 loader-sflash.bin -d /dev/ttyS3 -p 192.168.120.100 -s 192.168.120.101
if you want know more, please access git.nationalchip.com or mail to huangjb@nationalchip.com

Completed.