[PATCH 08/11] ARM: mmu: Clear unpredictable bits for translation table

[Alexander Shiyan]

Signed-off-by: Alexander Shiyan <shc_work at mail.ru>
---
 arch/arm/cpu/mmu.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c
index 73dd0d3..99f12b5 100644
--- a/arch/arm/cpu/mmu.c
+++ b/arch/arm/cpu/mmu.c
@@ -279,6 +279,9 @@ static int mmu_init(void)
 	if (get_cr() & CR_M) {
 		asm volatile ("mrc  p15,0,%0,c2,c0,0" : "=r"(ttb));
 
+		/* Clear unpredictable bits [13:0] */
+		ttb = (unsigned long *)((unsigned long)ttb & ~0x3fff);
+
 		if (!request_sdram_region("ttb", (unsigned long)ttb, SZ_16K))
 			pr_err("Error: Can't request SDRAM region for ttb\n");
 	} else {
-- 
1.7.3.4