刚才用uboot测试了一下:
[u-boot@MINI2440]# ping 192.168.1.1
dm9000 i/o: 0x20000300, id: 0x90000a46
DM9000: running in 16 bit mode
MAC: 08:08:11:18:12:27
operating at 100M full duplex mode
Using dm9000 device
ping failed; host 192.168.1.1 is not alive
根据输出,uboot可以正确读取芯片的ID和工作模式,但是网口就是不工作,指示灯不闪,是否可以确定是网口的问题?