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Disabling the MMU

Hello everybody!

I am working on a IMX-6 and i have a little problem with the MMU.

I want to write on some registers which are blocked by the MMU, so i want to disable it. I went on this page ARM Information Center and i saw that i have to use this command "MCR p15, 0, <Rd>, c3, c0, 0" but i'm not very familiar with assembler. How do i choose which domain access control register i want to modify? What i should write instead of <Rd>? And, is the value (the last field, right?) in decimal or binary?

Sorry for my english, it's not my mother tongue.

Regards

Alexandre

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