From patchwork Wed Dec 19 10:27:20 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Josh Wu X-Patchwork-Id: 1895231 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id 89A1BDFB7B for ; Wed, 19 Dec 2012 10:36:14 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TlGxZ-00082z-VA; Wed, 19 Dec 2012 10:33:10 +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 1TlGx2-0007xw-EH; Wed, 19 Dec 2012 10:32:38 +0000 Received: from penbh01.corp.atmel.com ([10.168.5.31]) by sjogate2.atmel.com (8.13.6/8.13.6) with ESMTP id qBJAQuYQ018602; Wed, 19 Dec 2012 02:27:10 -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, 19 Dec 2012 18:32:15 +0800 Received: from shaarm01.corp.atmel.com ([10.217.6.34]) by penmb01.corp.atmel.com with Microsoft SMTPSVC(6.0.3790.3959); Wed, 19 Dec 2012 18:32:14 +0800 From: Josh Wu To: linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 3/3] at91: at91sam9n12: add DT parameters to enable PMECC Date: Wed, 19 Dec 2012 18:27:20 +0800 Message-Id: <1355912840-29501-4-git-send-email-josh.wu@atmel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1355912840-29501-1-git-send-email-josh.wu@atmel.com> References: <1355912840-29501-1-git-send-email-josh.wu@atmel.com> X-OriginalArrivalTime: 19 Dec 2012 10:32:14.0717 (UTC) FILETIME=[1CA7B2D0:01CDDDD4] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20121219_053236_818142_C8B73363 X-CRM114-Status: GOOD ( 10.23 ) 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-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Default ecc correctable setting is 2bits in 512 bytes. Signed-off-by: Josh Wu --- arch/arm/boot/dts/at91sam9n12.dtsi | 1 + arch/arm/boot/dts/at91sam9n12ek.dts | 5 ++++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi index 82508d6..c9719ce 100644 --- a/arch/arm/boot/dts/at91sam9n12.dtsi +++ b/arch/arm/boot/dts/at91sam9n12.dtsi @@ -213,6 +213,7 @@ 0xffffe600 0x00000200 0x00100000 0x00100000 >; + atmel,pmecc-lookup-table-offset = <0x8000 0x10000>; atmel,nand-addr-offset = <21>; atmel,nand-cmd-offset = <22>; gpios = <&pioD 5 0 diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts index 912b2c2..88ee0da 100644 --- a/arch/arm/boot/dts/at91sam9n12ek.dts +++ b/arch/arm/boot/dts/at91sam9n12ek.dts @@ -49,7 +49,10 @@ 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"; };