From patchwork Wed Dec 5 19:09:30 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Mack X-Patchwork-Id: 1842841 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id C2B2DDF266 for ; Wed, 5 Dec 2012 19:09:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752836Ab2LETJt (ORCPT ); Wed, 5 Dec 2012 14:09:49 -0500 Received: from svenfoo.org ([82.94.215.22]:50978 "EHLO mail.zonque.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752326Ab2LETJr (ORCPT ); Wed, 5 Dec 2012 14:09:47 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.zonque.de (Postfix) with ESMTP id C8E85C01F6; Wed, 5 Dec 2012 20:09:44 +0100 (CET) Received: from mail.zonque.de ([127.0.0.1]) by localhost (rambrand.bugwerft.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Ef0CmUw6u5I4; Wed, 5 Dec 2012 20:09:44 +0100 (CET) Received: from tamtam.taperay.com (i59F77C74.versanet.de [89.247.124.116]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.zonque.de (Postfix) with ESMTPSA id 161EAC00DB; Wed, 5 Dec 2012 20:09:44 +0100 (CET) From: Daniel Mack To: linux-arm-kernel@lists.infradead.org, grant.likely@secretlab.ca, rob.herring@calxeda.com Cc: linux-omap@vger.kernel.org, jon-hunter@ti.com, avinashphilip@ti.com, x0148406@ti.com, tony@atomide.com, paul@pwsan.com, nsekhar@ti.com, jacmet@sunsite.dk, devicetree-discuss@lists.ozlabs.org, Daniel Mack Subject: [PATCH v7 4/5] ARM: OMAP: gpmc: enable hwecc for AM33xx SoCs Date: Wed, 5 Dec 2012 20:09:30 +0100 Message-Id: <1354734571-10774-5-git-send-email-zonque@gmail.com> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1354734571-10774-1-git-send-email-zonque@gmail.com> References: <1354734571-10774-1-git-send-email-zonque@gmail.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org The am33xx is capable of handling bch error correction modes, so enable that feature in the driver. Signed-off-by: Daniel Mack --- arch/arm/mach-omap2/gpmc-nand.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c index 3059f5e..afc1e8c 100644 --- a/arch/arm/mach-omap2/gpmc-nand.c +++ b/arch/arm/mach-omap2/gpmc-nand.c @@ -92,17 +92,18 @@ static int omap2_nand_gpmc_retime( static bool gpmc_hwecc_bch_capable(enum omap_ecc ecc_opt) { /* support only OMAP3 class */ - if (!cpu_is_omap34xx()) { + if (!cpu_is_omap34xx() && !soc_is_am33xx()) { pr_err("BCH ecc is not supported on this CPU\n"); return 0; } /* - * For now, assume 4-bit mode is only supported on OMAP3630 ES1.x, x>=1. - * Other chips may be added if confirmed to work. + * For now, assume 4-bit mode is only supported on OMAP3630 ES1.x, x>=1 + * and AM33xx derivates. Other chips may be added if confirmed to work. */ if ((ecc_opt == OMAP_ECC_BCH4_CODE_HW) && - (!cpu_is_omap3630() || (GET_OMAP_REVISION() == 0))) { + (!cpu_is_omap3630() || (GET_OMAP_REVISION() == 0)) && + (!soc_is_am33xx())) { pr_err("BCH 4-bit mode is not supported on this CPU\n"); return 0; }