From patchwork Wed Jan 23 12:47:10 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Josh Wu X-Patchwork-Id: 214933 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:4978:20e::2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id DE82D2C0084 for ; Wed, 23 Jan 2013 23:49:48 +1100 (EST) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TxzlE-0001PL-GH; Wed, 23 Jan 2013 12:49:00 +0000 Received: from newsmtp5.atmel.com ([204.2.163.5] helo=sjogate2.atmel.com) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TxzkD-00015G-Fw; Wed, 23 Jan 2013 12:47:59 +0000 Received: from penbh01.corp.atmel.com ([10.168.5.31]) by sjogate2.atmel.com (8.13.6/8.13.6) with ESMTP id r0NCgKm0017100; Wed, 23 Jan 2013 04:42:31 -0800 (PST) Received: from penmb01.corp.atmel.com ([10.168.5.33]) by penbh01.corp.atmel.com with Microsoft SMTPSVC(6.0.3790.3959); Wed, 23 Jan 2013 20:47:44 +0800 Received: from shaarm01.corp.atmel.com ([10.217.6.34]) by penmb01.corp.atmel.com with Microsoft SMTPSVC(6.0.3790.3959); Wed, 23 Jan 2013 20:47:43 +0800 From: Josh Wu To: linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, dedekind1@gmail.com Subject: [PATCH 3/5] ARM: at91: at91sam9n12: add DT parameters to enable PMECC Date: Wed, 23 Jan 2013 20:47:10 +0800 Message-Id: <1358945232-2282-4-git-send-email-josh.wu@atmel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1358945232-2282-1-git-send-email-josh.wu@atmel.com> References: <1358945232-2282-1-git-send-email-josh.wu@atmel.com> X-OriginalArrivalTime: 23 Jan 2013 12:47:43.0846 (UTC) FILETIME=[D6739860:01CDF967] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130123_074757_820669_B21087B2 X-CRM114-Status: UNSURE ( 8.98 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.6 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: nicolas.ferre@atmel.com, plagnioj@jcrosoft.com, Josh Wu X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-mtd-bounces@lists.infradead.org Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Default ecc correctable setting is 2bits in 512 bytes. Signed-off-by: Josh Wu --- arch/arm/boot/dts/at91sam9n12.dtsi | 3 ++- arch/arm/boot/dts/at91sam9n12ek.dts | 5 ++++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi index 80e29c6..a3a3fdb 100644 --- a/arch/arm/boot/dts/at91sam9n12.dtsi +++ b/arch/arm/boot/dts/at91sam9n12.dtsi @@ -390,8 +390,9 @@ reg = < 0x40000000 0x10000000 0xffffe000 0x00000600 0xffffe600 0x00000200 - 0x00100000 0x00100000 + 0x00108000 0x00018000 >; + atmel,pmecc-lookup-table-offset = <0x0 0x8000>; atmel,nand-addr-offset = <21>; atmel,nand-cmd-offset = <22>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts index 0376bf4..d400f8d 100644 --- a/arch/arm/boot/dts/at91sam9n12ek.dts +++ b/arch/arm/boot/dts/at91sam9n12ek.dts @@ -71,7 +71,10 @@ nand0: nand@40000000 { nand-bus-width = <8>; - nand-ecc-mode = "soft"; + nand-ecc-mode = "hw"; + atmel,has-pmecc; + atmel,pmecc-cap = <2>; + atmel,pmecc-sector-size = <512>; nand-on-flash-bbt; status = "okay"; };