[PATCH -next v6 03/10] arm: armv8: mmu: export mmu_setup

[Dhruva Gole]

On Sep 05, 2025 at 13:48:54 +0530, Anshul Dalal wrote:
> The mmu_setup function configures the page tables based on the board
> supplied mem_map struct array. It is called implicitly as part of
> dcache_enable but this limits us to only be able to use APIs such as
> mmu_change_region_attr only after caches are enabled.
> 
> This might lead to speculative accesses before we can unmap a region
> that is marked as cacheable in the static memory map.
> 
> Therefore this patch exports the mmu_setup function in mmu.h allowing
> users to have more control over when the mmu is configured.
> 
> For K3 specifically this allows for the following configuration sequence
> as part of enable_caches:
> 
> static mem_map fixups (TODO) -> mmu_setup -> carveouts using
> mmu_change_region_attr (TODO) -> icache/dcache enable
> 
> Signed-off-by: Anshul Dalal <anshuld at ti.com>
> ---

Reviewed-by: Dhruva Gole <d-gole at ti.com>

-- 
Best regards,
Dhruva Gole
Texas Instruments Incorporated