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am335x &dp83867通讯问题

Other Parts Discussed in Thread: AM3352

大神们,咨询个问题,我们这边采用am3352 和dp83867

在uboot下调试,2016-05版本

采用的rgmii mode

目前在uboot下已经可以link上了,但是却无法通信,不知道为什么

求指点

tftp 0x82000000 version.dat
link up on port 0, speed 1000, full duplex
Using cpsw device
TFTP from server 10.86.20.20; our IP address is 10.86.20.50
Filename 'version.dat'.
Load address: 0x82000000
Loading: *