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DM368 u-boot中usb设备不能识别



专家,您好:

     我将u-boot移植到我们的开发板上,运行基本正常,用usb start命令,提示usb设备找不到。我们测试了参考板上u-boot程序,是正常的。我们的板子和参考板的区别在于参考板上接的是5-pin的miniUSB接口,而我们是4-pin的A型的接口。本人对DM368 USB控制机制不清楚,请问要修改哪里才可以?请帮忙看看。先谢了!