详细介绍uboot的常用命令

=> help ? - alias for 'help' autoscr - run script from memory 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' bootm - boot application image from memory bootp - boot image via network using BootP/TFTP protocol cmp - memory compare coninfo - print console devices and information cp - memory copy crc32 - checksum calculation dhcp - invoke DHCP client to obtain IP/boot params echo - echo args to console erase - erase FLASH memory flinfo - print FLASH memory information go - start application at address 'addr' help - print online help iminfo - print header information for application image imls - list all images found in flash itest - return true/false on integer compare loadb - load binary file over serial line (kermit mode) loads - load S-Record file over serial line loop - infinite loop on address range md - memory display mm - memory modify (auto-incrementing) mtest - simple RAM test mw - memory write (fill) nfs - boot image via network using NFS protocol nm - memory modify (constant address) printenv - print environment variables protect - enable or disable FLASH write protection rarpboot - boot image via network using RARP/TFTP protocol reset - Perform RESET of the CPU run - run commands in an environment variable saveenv - save environment variables to persistent storage setenv - set environment variables sleep - delay execution for some time tftpboot - boot image via network using TFTP protocol version - print monitor version