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C6747 连接不上PHY芯片



调试网口驱动程序,用的是自己的板子,EMAC初始化过程添加了pinmux和PSC ,EMAC初始化完成,

00000.000 MAC Address = ba-bb-bc-bd-be-bf

 

00000.000 EMAC should be up and running

 

00000.000 EMAC has been started successfully

 

00000.000 Registeration of the EMAC Successful

 

Network Added: If-1:192.168.1.2

但是连接不上PHY芯片,PHY芯片工作在RMII模式,50MHZ输入时钟正确。在mdio.c轮询查找PHY芯片的过程中没有找到PHY芯片。

希望之前有过相关经验的大神,请教一下,还有什么需要配置的。

使用的是CCS6.0 工作在自己定制的板子上