From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp30.i.mail.ru ([94.100.177.90]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1U3knZ-0000c7-6y for barebox@lists.infradead.org; Fri, 08 Feb 2013 10:03:13 +0000 From: Alexander Shiyan Date: Fri, 8 Feb 2013 14:02:20 +0400 Message-Id: <1360317743-25975-8-git-send-email-shc_work@mail.ru> In-Reply-To: <1360317743-25975-1-git-send-email-shc_work@mail.ru> References: <1360317743-25975-1-git-send-email-shc_work@mail.ru> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 08/11] ARM: mmu: Clear unpredictable bits for translation table To: barebox@lists.infradead.org Signed-off-by: Alexander Shiyan --- 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 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox