From patchwork Wed Jan 23 12:47:09 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Josh Wu X-Patchwork-Id: 2024951 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id B68A13FE4F for ; Wed, 23 Jan 2013 12:50:54 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1Txzkr-0001DT-Od; Wed, 23 Jan 2013 12:48:37 +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-00014f-Fi; Wed, 23 Jan 2013 12:47:58 +0000 Received: from penbh01.corp.atmel.com ([10.168.5.31]) by sjogate2.atmel.com (8.13.6/8.13.6) with ESMTP id r0NCgKlw017100; Wed, 23 Jan 2013 04:42:30 -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 20:47:43 +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 20:47:42 +0800 From: Josh Wu To: linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, dedekind1@gmail.com Subject: [PATCH 2/5] ARM: at91: at91sam9x5: add DT parameters to enable PMECC Date: Wed, 23 Jan 2013 20:47:09 +0800 Message-Id: <1358945232-2282-3-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 12:47:42.0659 (UTC) FILETIME=[D5BE7930:01CDF967] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130123_074757_775271_9CA4B5C1 X-CRM114-Status: GOOD ( 10.29 ) 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/at91sam9x5.dtsi | 4 ++++ arch/arm/boot/dts/at91sam9x5cm.dtsi | 5 ++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index 3a47cf9..ecfafcf 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -498,7 +498,11 @@ #address-cells = <1>; #size-cells = <1>; reg = <0x40000000 0x10000000 + 0xffffe000 0x600 /* PMECC Registers */ + 0xffffe600 0x200 /* PMECC Error Location Registers */ + 0x00108000 0x18000 /* PMECC looup table in ROM code */ >; + 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/at91sam9x5cm.dtsi b/arch/arm/boot/dts/at91sam9x5cm.dtsi index 31e7be2..4027ac7 100644 --- a/arch/arm/boot/dts/at91sam9x5cm.dtsi +++ b/arch/arm/boot/dts/at91sam9x5cm.dtsi @@ -26,7 +26,10 @@ ahb { nand0: nand@40000000 { nand-bus-width = <8>; - nand-ecc-mode = "soft"; + nand-ecc-mode = "hw"; + atmel,has-pmecc; /* Enable PMECC */ + atmel,pmecc-cap = <2>; + atmel,pmecc-sector-size = <512>; nand-on-flash-bbt; status = "okay";