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您好,寄存器0x0001h和0x0011的状态寄存器读出来是什么值?是否已经成功配置为1000M?
另外您是否使用的是自动协商模式? 如果enable自动协商模式,要确认下link partner是否也是支持千兆速率。
寄存器0x0086 配置的TX和RX的delay是多少?参考这篇RGMII Interface Timing Budgets应用手册: