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CONFIG_CORESIGHT_CATU: Coresight Address Translation Unit (CATU) driver

General informations

The Linux kernel configuration item CONFIG_CORESIGHT_CATU:

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Enable support for the Coresight Address Translation Unit (CATU). CATU supports a scatter gather table of 4K pages, with forward/backward lookup. CATU helps TMC ETR to use a large physically non-contiguous trace buffer by translating the addresses used by ETR to the physical address by looking up the provided table. CATU can also be used in pass-through mode where the address is not translated.



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