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AM3358的MII接口对接FPGA需要怎么修改设备树?

在am335x sdkti-processor-sdk-linux-am335x-evm-03.01.00.06上,想使用两个网口,一个网卡使用100M PHY,另外一个使用MII对接FPGA,想使用fixed-link模式,要使两个网卡能正常工作,需要修改什么?

该版本的sdk的linux版本为linux4.4.19

我这么改,但发现不行:

&cpsw_emac0 {
phy_id = <&davinci_mdio>, <1>;
phy-mode = "mii";
};

&cpsw_emac1 {
//phy_id = <&davinci_mdio>, <0>;
phy-mode = "mii";
fixed-link {
speed = <100>;
full-duplex;
pause;
asym-pause;
};
};