用开发板用网口1 能通信 ,自己做的板子是用网口 0,请问怎么修改呢?
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不知道你是否想用PA, SWTICH中的ALE是否BYPASS,
考虑最简单场景, bypass PA和 bypass ALE,可以通过如下修改完成网口1到网口0的移植
1 接收方向需要配置CPSW_CFG_REG,把SGMII1路由到你的接受队列的设置改为从SGMII0路由到你的接收队列的设置
2 发送方向:Destination是SGMII port0还是SGMII port1是通过descriptor 的PS_flags域指定的,具体你可以看看NETCP和Packet DMA手册