P1021 cache-inhibited?

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P1021 cache-inhibited?

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zwilcox
Contributor IV

I'm working with the P1021.  The Reference Manual states that if CCSR space is used, then it should be marked as cache-inhibited and guard.

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How do I mark this address space, or any other address space as cache-inhibited and guarded?

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ufedor
NXP Employee
NXP Employee

Corresponding MMU TLB has to have I and G bits set - please refer to the PowerPC™ e500 Core Family Reference Manual, 12.3.6 TLB Entry Field Definitions:

https://www.nxp.com/docs/en/reference-manual/E500CORERM.pdf 

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zwilcox
Contributor IV

Thank you sir.

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