From: Lucas Stach <[email protected]> We need to flush out the ttb in order to make the changes observable to the page walker.
Signed-off-by: Lucas Stach <[email protected]> --- arch/arm/cpu/mmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c index bf0141b946db..e4afcc84115d 100644 --- a/arch/arm/cpu/mmu.c +++ b/arch/arm/cpu/mmu.c @@ -188,6 +188,7 @@ void *map_io_sections(unsigned long phys, void *_start, size_t size) for (sec = start; sec < start + size; sec += (1 << 20)) ttb[sec >> 20] = (phys++ << 20) | PMD_SECT_DEF_UNCACHED; + dma_flush_range((unsigned long)ttb, (unsigned long)ttb + 0x4000); tlb_invalidate(); return _start; } -- 1.9.3 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
