标题: EK200 IMX6S 核心板不能烧录 [打印本页] 作者: CONAN 时间: 2016-11-5 09:17 标题: EK200 IMX6S 核心板不能烧录 之前调试内核，设置了tftp启动。现在想烧到板子上去，发现没法烧录。uboot中也少了destroyenv、saveenv等命令。如下：
Hit any key to stop autoboot: 0
MYIMX6EK200 > ?
? - alias for 'help'
autoscr - DEPRECATED - use "source" command instead
base - print or set address offset
bdinfo - print Board Info structure
bmp - manipulate BMP image data
boot - boot default, i.e., run 'bootcmd'
bootd - boot default, i.e., run 'bootcmd'
bootm - boot application image from memory
bootp - boot image via network using BOOTP/TFTP protocol
clk - Clock sub system
cls - clear screen
cmp - memory compare
coninfo - print console devices and information
cp - memory copy
crc32 - checksum calculation
dhcp - boot image via network using DHCP/TFTP protocol
echo - echo args to console
erase - erase FLASH memory
exit - exit script
ext2load- load binary file from a Ext2 filesystem
ext2ls - list files in a directory (default /)
fatinfo - print information about filesystem
fatload - load binary file from a dos filesystem
fatls - list files in a directory (default /)
flinfo - print FLASH memory information
go - start application at address 'addr'
help - print online help
i2c - I2C sub-system
iminfo - print header information for application image
imxotp - One-Time Programable sub-system
imxtract- extract a part of a multi-image
itest - return true/false on integer compare
loadb - load binary file over serial line (kermit mode)
loads - load S-Record file over serial line
loady - load binary file over serial line (ymodem mode)
loop - infinite loop on address range
md - memory display
mii - MII utility commands
mm - memory modify (auto-incrementing address)
mmc - MMC sub system
mmcinfo - display MMC info
mtest - simple RAM read/write test
mw - memory write (fill)
nfs - boot image via network using NFS protocol
nm - memory modify (constant address)
ping - send ICMP ECHO_REQUEST to network host
printenv- print environment variables
protect - enable or disable FLASH write protection
rarpboot- boot image via network using RARP/TFTP protocol
regul - Regulator sub system
reset - Perform RESET of the CPU
run - run commands in an environment variable
setenv - set environment variables
sf - SPI flash sub-system
showvar - print local hushshell variables
sleep - delay execution for some time
source - run script from memory
sspi - SPI utility commands
test - minimal test like /bin/sh
tftpboot- boot image via network using TFTP protocol
version - print monitor version