From patchwork Wed Apr 6 11:06:17 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Tereshonkov X-Patchwork-Id: 90005 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [18.85.46.34]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 071BD1007D1 for ; Wed, 6 Apr 2011 21:08:45 +1000 (EST) Received: from canuck.infradead.org ([2001:4978:20e::1]) by bombadil.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1Q7QZU-0002Y8-Dg; Wed, 06 Apr 2011 11:06:48 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.72 #1 (Red Hat Linux)) id 1Q7QZT-0005UP-2Y; Wed, 06 Apr 2011 11:06:47 +0000 Received: from smtp.nokia.com ([147.243.128.26] helo=mgw-da02.nokia.com) by canuck.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1Q7QZQ-0005U6-0W for linux-mtd@lists.infradead.org; Wed, 06 Apr 2011 11:06:44 +0000 Received: from nokia.com (localhost [127.0.0.1]) by mgw-da02.nokia.com (Switch-3.4.3/Switch-3.4.3) with ESMTP id p36B6fhm011435; Wed, 6 Apr 2011 14:06:41 +0300 Received: from localhost.localdomain ([esdhcp03995.research.nokia.com [172.21.39.95]]) by mgw-da02.nokia.com with RELAY id p36B6KFj011053 ; Wed, 6 Apr 2011 14:06:22 +0300 From: Roman Tereshonkov To: linux-mtd@lists.infradead.org Subject: [PATCH v2] mtd: onenand: add ecclayout and subpage_sft for none-flex 4kb page onenand Date: Wed, 6 Apr 2011 14:06:17 +0300 Message-Id: <1302087977-25062-1-git-send-email-roman.tereshonkov@nokia.com> X-Mailer: git-send-email 1.7.0.4 X-Nokia-AV: Clean X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110406_070644_213346_4DB10011 X-CRM114-Status: GOOD ( 11.14 ) X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 TVD_RCVD_SPACE_BRACKET TVD_RCVD_SPACE_BRACKET -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, low trust [147.243.128.26 listed in list.dnswl.org] Cc: kyungmin.park@samsung.com, Roman Tereshonkov X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.12 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 So as the ecclayout and suppage size for 4kb page Flex- and none-Flex OneNAND are different the new values for none-Flex 4kb page OneNAND memory are added. The introduced ecclayout and suppage size are based on specification 4Gb M-die OneNAND Flash (KFM4G16Q4M, KFN8G16Q4M). Rev. 1.3, Apr. 2010 Signed-off-by: Roman Tereshonkov --- drivers/mtd/onenand/onenand_base.c | 41 ++++++++++++++++++++++++++++++----- 1 files changed, 35 insertions(+), 6 deletions(-) diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 56a8b20..b626e3d 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -65,11 +65,11 @@ MODULE_PARM_DESC(otp, "Corresponding behaviour of OneNAND in OTP" " : 2 -> 1st Block lock" " : 3 -> BOTH OTP Block and 1st Block lock"); -/** - * onenand_oob_128 - oob info for Flex-Onenand with 4KB page - * For now, we expose only 64 out of 80 ecc bytes +/* + * flexonenand_oob_128 - oob info for Flex-Onenand with 4KB page + * For now, we expose only 64 out of 80 ecc bytes */ -static struct nand_ecclayout onenand_oob_128 = { +static struct nand_ecclayout flexonenand_oob_128 = { .eccbytes = 64, .eccpos = { 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, @@ -86,6 +86,30 @@ static struct nand_ecclayout onenand_oob_128 = { } }; +/* + * onenand_oob_128 - oob info for OneNAND with 4KB page + * + * Based on specification: + * 4Gb M-die OneNAND Flash (KFM4G16Q4M, KFN8G16Q4M). Rev. 1.3, Apr. 2010 + */ +static struct nand_ecclayout onenand_oob_128 = { + .eccbytes = 64, + .eccpos = { + 7, 8, 9, 10, 11, 12, 13, 14, 15, + 23, 24, 25, 26, 27, 28, 29, 30, 31, + 39, 40, 41, 42, 43, 44, 45, 46, 47, + 55, 56, 57, 58, 59, 60, 61, 62, 63, + 71, 72, 73, 74, 75, 76, 77, 78, 79, + 87, 88, 89, 90, 91, 92, 93, 94, 95, + 103, 104, 105, 106, 107, 108, 109, 110, 111, + 119 + }, + .oobfree = { + {5, 2}, {21, 2}, {37, 2}, {53, 2}, + {69, 2}, {85, 2}, {101, 2}, {117, 2} + } +}; + /** * onenand_oob_64 - oob info for large (2KB) page */ @@ -4018,8 +4042,13 @@ int onenand_scan(struct mtd_info *mtd, int maxchips) */ switch (mtd->oobsize) { case 128: - this->ecclayout = &onenand_oob_128; - mtd->subpage_sft = 0; + if (FLEXONENAND(this)) { + this->ecclayout = &flexonenand_oob_128; + mtd->subpage_sft = 0; + } else { + this->ecclayout = &onenand_oob_128; + mtd->subpage_sft = 2; + } break; case 64: this->ecclayout = &onenand_oob_64;