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Original question:
TDA4VM: TDA4VM: 移植phy无法获取ip
请问一下，在tda4vm中sdk 8.4的时进行mac回环
端口信息
目前需要的调试的：
mac mcu rgmii1
在linux或mcu2-0怎样设置让其进入mac 回环，并验证mac回环功能正常
请参考下面的帖子。https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1017450/tda4vm-how-to-enable-the-mac-loopback-function-of-cpsw
