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想知道dm3730的ddr时钟、mpu时钟、dsp时钟是在什么阶段被设置的。
我看代码ddr时钟是在ubl阶段设置的、 mpu、dsp的时钟是在uboot阶段设置的。
如果我想修改相关的时钟我该如何修改?