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贡献217 
飞刀76 FD
注册时间2016-6-28
在线时间14 小时积分43 
 
 
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| 操作步骤: 设置启动参数如下:
 #setenv serverip 192.168.1.120 (设置ubuntu 服务器的ip)
 #setenv ipaddr 192.168.1.99 (设置开发板的ip)
 #setenv bootargs console=ttyO0,115200n8 root=/dev/nfs nfsroot=192.168.1.120:/nfs_rootfs,nolock rw ip=1
 92.168.1.99:192.168.1.120:192.168.1.1:255.255.255.0::eth0:off screentype=R screensize=800x600-vga
 #setenv bootcmd “tftp 80000000 uImage;bootm 80000000”
 
 提示信息:
 OK335X# setenv bootcmd “tftp 80000000 uImage;bootm 80000000”
 bootm - boot application image from memory
 
 Usage:
 bootm [addr [arg ...]]
 - boot application image stored in memory
 passing arguments 'arg ...'; when booting a Linux kernel,
 'arg' can be the address of an initrd image
 
 Sub-commands to do part of the bootm sequence.  The sub-commands must be
 issued in the order below (it's ok to not issue all sub-commands):
 start [addr [arg ...]]
 loados  - load OS image
 cmdline - OS specific command line processing/setup
 bdt     - OS specific bd_t processing
 prep    - OS specific prep before relocation or go
 go      - start OS
 请问是什么原因???
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