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A8时钟的一点困惑,读出来时钟不对



如图是系统开机时候的打印,可以看到读出来的时钟是19MHZ,

OMAP clockevent source: GPTIMER2 at 19200000 Hz

OMAP clocksource: GPTIMER1 at 19200000 Hz

因为我把核心板换到同样的另一块底板上时候,读出来就是24M,一批同样的板子,有几块打印是读出来19M,其余都是24M,追了一下这部分代码,看的不是很懂,不知道是哪里影响到这个时钟了