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 <[email protected]> > ---
Reviewed-by: Dhruva Gole <[email protected]> -- Best regards, Dhruva Gole Texas Instruments Incorporated
