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应用AM3358,自己设计的版子,主要实现网口通信功能,有如下问题需要请求专家帮忙

Other Parts Discussed in Thread: DP83865

选用TI公司的PHY芯片DP83865,应用Starterware在CCSV5环境下裸跑,使用starterware的现有历程,测试网口电路部分,例如enethEcho,此Project主要是来测试网口的IP地址等,上电后,硬件上检测到DP83865应该是在工作的,但是debug程序显示不能获得IP地址,ARM也是工作的,我想是不是PHY的MDIO等参数需要调整,这部分在软件上应该改哪些?要怎么修改呢?谢谢啦