Do it as U-Boot: Disable MMU first, then flush caches and finally invalidate tlbs. I wish I could reference some document instead of U-Boot code, but I haven't found anything. Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- arch/arm/cpu/mmu_64.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/arm/cpu/mmu_64.c b/arch/arm/cpu/mmu_64.c index 165ff5bac6..6606405b21 100644 --- a/arch/arm/cpu/mmu_64.c +++ b/arch/arm/cpu/mmu_64.c @@ -329,12 +329,9 @@ void mmu_disable(void) cr = get_cr(); cr &= ~(CR_M | CR_C); - tlb_invalidate(); - - dsb(); - isb(); - set_cr(cr); + v8_flush_dcache_all(); + tlb_invalidate(); dsb(); isb(); -- 2.16.1 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
