Signed-off-by: Alexander Shiyan <[email protected]>
---
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
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