[U-Boot-Users] question about environment variable in U-BOOT

[sonicss <sos_lxb@sina.com>]

U-BOOT:
I want to modify the default environment variable in U-BOOT. The following info are about the hardware:

ARM: at91rm9200
platform: at91rm9200dk
U-BOOT: CFG_ENV_IS_IN_DATAFLASH

I modifed /include/configs/at91rm9200dk.h and add the following lines after "#define CONFIG_BAUDRATE 115200":

#define CONFIG_ETHADDR 12.24.96.78.91.11
#define CONFIG_IPADDR 172.19.71.10
#define CONFIG_SERVERIP 172.19.71.40
#define CONFIG_BOOTCMD = tftp 20008000 zImage; tftp 21000000 Ramdisk.gz; go 20008000

the first three commands work well, but the last command is not in the environment. I use printenv command to show the current

environment:
U-Boot> printenv
bootdelay=3
baudrate=115200
ethaddr=12.24.96.78.91.11
ipaddr=172.19.71.10
serverip=172.19.71.40
stdin=serial
stdout=serial
stderr=serial

There is not bootcmd command. How can I implement this function? ( just add bootcmd before compile u-boot)

best regards

2008-04-11 



sonicss 
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