From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1ewosH-0001qV-Vf for barebox@lists.infradead.org; Fri, 16 Mar 2018 12:54:24 +0000 From: Sascha Hauer Subject: [PATCH 34/78] ARM: aarch64: mmu: fix creation of flat mapping Date: Fri, 16 Mar 2018 13:53:10 +0100 Message-Id: <20180316125354.23462-35-s.hauer@pengutronix.de> In-Reply-To: <20180316125354.23462-1-s.hauer@pengutronix.de> References: <20180316125354.23462-1-s.hauer@pengutronix.de> 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" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org To: Barebox List During initialization of the page tables we want to create a flat uncached mapping for the whole address space. create_sections() takes the size in bytes, not in MiB as assumed by the callees. Fix this. Signed-off-by: Sascha Hauer --- arch/arm/cpu/mmu_64.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/cpu/mmu_64.c b/arch/arm/cpu/mmu_64.c index 6e22da9a26..fe1e5410f7 100644 --- a/arch/arm/cpu/mmu_64.c +++ b/arch/arm/cpu/mmu_64.c @@ -258,8 +258,8 @@ static int mmu_init(void) pr_debug("ttb: 0x%p\n", ttb); - /* create a flat mapping using 1MiB sections */ - create_sections(0, 0, GRANULE_SIZE, UNCACHED_MEM); + /* create a flat mapping */ + create_sections(0, 0, 1UL << (BITS_PER_VA - 1), UNCACHED_MEM); /* Map sdram cached. */ for_each_memory_bank(bank) @@ -310,7 +310,7 @@ void mmu_early_enable(uint64_t membase, uint64_t memsize, uint64_t _ttb) set_ttbr_tcr_mair(current_el(), (uint64_t)ttb, TCR_FLAGS, UNCACHED_MEM); - create_sections(0, 0, 4096, UNCACHED_MEM); + create_sections(0, 0, 1UL << (BITS_PER_VA - 1), UNCACHED_MEM); create_sections(membase, membase, memsize, CACHED_MEM); -- 2.16.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox