mx51的uboot的log信息和环境变量设置

   在这儿贴一下mx51的uboot的log信息和环境变量设置吧，以备忘掉。

    bootdelay=3

baudrate=115200

loadaddr=0x90800000

netdev=eth0

ethprime=FEC0

uboot_addr=0xa0000000

uboot=u-boot.bin

kernel=uImage

bootargs_base=setenv bootargs console=ttymxc0,115200

bootargs_nfs=setenv bootargs ${bootargs} root=/dev/nfs ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp

bootcmd=run bootcmd_net

bootcmd_net=run bootargs_base bootargs_nfs; tftpboot ${loadaddr} ${kernel}; bootm

load_uboot=tftpboot ${loadaddr} ${uboot}

ethact=FEC0

bootargs=console=ttymxc0,115200 root=/dev/nfs ip=192.168.2.130 nfsroot=192.168.2.104:/tftpboot/rootfs,v3,tcp

serverip=192.168.2.196

ipaddr=192.168.2.130

stdin=serial

stdout=serial

stderr=serial

Environment size: 596/131068 bytes

BBG U-Boot > 

  如果要用nfs启动kernel和root file system需要使用下面的变量设置：

setenv bootargs "noinitrd root=/dev/nfs rw nfsroot=192.168.0.1:/tftpboot/rootfs ip=192.168.0.2:192.168.0.1::255.255.255.0 console=ttySAC0,115200 init=/linuxrc mem=64M"

setenv bootcmd "nfs 0x30008000 192.168.0.1:/home/tekkaman/working/nfs/zImage.img;bootm"

serenv kernel uImage

setenv serverip 192.168.2.104

setenv ipaddr 192.168.2.130

saveenv