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OMAP_l138 rmii

Other Parts Discussed in Thread: AM1808

我使用am1808+dp83848 ,采用rmii模式。

移植u-boot中,报错rmii hardware initflail  。追踪到u-boot中,是int rmii_hw_init(void)
不是很明白这个函数的作用。我现在在u-boot下无法ping通,但是移植linux后能ping通。请问跟这个函数有关系吗?它的作用是什么?