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CONFIG_RISCV_ISA_ZICBOM: Zicbom extension support for non-coherent DMA operation

General informations

The Linux kernel configuration item CONFIG_RISCV_ISA_ZICBOM:

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Adds support to dynamically detect the presence of the ZICBOM extension (Cache Block Management Operations) and enable its usage.

The Zicbom extension can be used to handle for example non-coherent DMA support on devices that need it.

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Hardware

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