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Check out caches

Joan Navarrete Sanchez72473
Prodigy 10 points

I'm using a AM35 board and I'd like to know if there is any way to verify that the caches (L1, L2) are enabled at boot time or by kernel.

 

Many Thanks.

  • 0
    TI__Expert 5685 points

    Hello,

    The Control Register (c1, cp15) is dumped from kernel while booting (look for "cr=" line), you can see the I and D cache enable status from bit 12 and 2 respectively (1 means they are enabled). For L2 cache status, you will need to get Aux Control register value which is not printed during boot.

    Btw, the kernel configuration menu under "System Type ---> " should show if cache are enabled/disabled.

       Hemant