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    T113 EMAC驱动初始化失败

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    • S
      sky_rain LV 3 last edited by

      1. 已经打开了CCU单元中的门控时钟并解除了复位状态
        00c2398e-da1c-40ba-b30f-a8f27571b096-CCU门控单元.png
      2. 但是mac基本控制寄存器的最低位，软复位标志位一直为1，表明外设一直处于复位过程中，导致驱动初始化失败，我该如何排查问题？
        75922fea-4e48-40c6-9e62-36046c132982-MAC基本控制寄存器.png
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      • S
        sky_rain LV 3 last edited by

        问题已经找到，此贴终结

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        • J
          Jingyan LV 5 @sky_rain last edited by

          @sky_rain MAC RST信号依赖外部PHY给MAC的工作时钟

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