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DM8107网卡ping不通



我们用的是AR8021千兆PHy,在ubootping时,输出协商失败,我将寄存器值在附件中,插入网线,网口灯也没有亮,我们用的port0,管教复用和rgmii模式都看了,配置没问题,在内核里设置成非协商模式,插入网线,终端一会输出link up 10M半双工,一会link down,我们测了各个工作电压正常,请大神们帮忙。