From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ECD7EC282D7 for ; Sat, 2 Feb 2019 23:21:33 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BEFCA2084A for ; Sat, 2 Feb 2019 23:21:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="G2ApJR6a"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=crapouillou.net header.i=@crapouillou.net header.b="XfBV/cnA" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BEFCA2084A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=crapouillou.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=ky5rMxI5GjmHpWHERGxDWKjpiZn65AkYeJe/T8rOR1Q=; b=G2ApJR6atX/c2Y9Vr3SDwJ5kqZ ueh/+a3GWmzR+xuHEuW94ymfLyLzx8xNh7adlGQJiAEd6Jp+PE7GEMPRuIKfJGaGwvmBS/lSBpthq zauGi1cK4cFpz/6SEr8c0ZTb/L3530mf+YE5gncE+S+TSbCXVDUXiwrEltWPCRosF8+n99tldr8qB d3ZMb/b82riJ+XKyE+mSZL+Nh8XGxmEnhkFYXRWlQwLkbkZW+3vDioez+/feKclvj4mEs+41WWjnv /ZbPNutGkn8AYbHURo24gSAVyXXnE3XxgPoH43A7Xchug3X2mh8QYaGme+wACOrNHctCSMcIbJ1qP zAIaW+Wg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gq4bG-0000b9-JN; Sat, 02 Feb 2019 23:21:26 +0000 Received: from outils.crapouillou.net ([89.234.176.41] helo=crapouillou.net) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gq4a9-0007YO-CC for linux-mtd@lists.infradead.org; Sat, 02 Feb 2019 23:20:24 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1549149615; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=6DQ/fdFeik3NcGgbnEiiOqaU+te3pfdcWm4W2rT05DA=; b=XfBV/cnA3R6f+cjXShFs5iV7OZ+812jP9PqFiiCHKJCoIAzYUr1BdvOgDWd+ep5x3G3TdQ 6kx1mLGCabe9HqhNaSb7FSKRpFoOz1CAsPmJORZS/FiLuiruUPkhJmhYKmQI8Klr0mpnlV JZDdNmLtU6iutFaZD2h1Yg1Dt/+Wg50= From: Paul Cercueil To: David Woodhouse , Brian Norris , Boris Brezillon , Marek Vasut , Richard Weinberger , Rob Herring , Mark Rutland , Miquel Raynal , Harvey Hunt Subject: [PATCH v2 6/9] mtd: rawnand: jz4780: Add ooblayout for the Qi Ben Nanonote Date: Sat, 2 Feb 2019 20:19:23 -0300 Message-Id: <20190202231926.2444-7-paul@crapouillou.net> In-Reply-To: <20190202231926.2444-1-paul@crapouillou.net> References: <20190202231926.2444-1-paul@crapouillou.net> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190202_152018_017901_FA141134 X-CRM114-Status: GOOD ( 11.96 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mathieu Malaterre , devicetree@vger.kernel.org, Paul Cercueil , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org The Ben Nanonote from Qi Hardware expects a specific OOB layout on its NAND. If the "ingenic,oob-layout" device property is set to "qi,lb60", this specific OOB layout is used. Signed-off-by: Paul Cercueil --- Changes: v2: New patch drivers/mtd/nand/raw/ingenic/jz4780_nand.c | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/drivers/mtd/nand/raw/ingenic/jz4780_nand.c b/drivers/mtd/nand/raw/ingenic/jz4780_nand.c index baebb9a5c7c8..4b304eceae8d 100644 --- a/drivers/mtd/nand/raw/ingenic/jz4780_nand.c +++ b/drivers/mtd/nand/raw/ingenic/jz4780_nand.c @@ -346,6 +346,41 @@ static int jz4780_nand_init_chips(struct jz4780_nand_controller *nfc, return 0; } +static int qi_lb60_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + struct nand_chip *chip = mtd_to_nand(mtd); + struct nand_ecc_ctrl *ecc = &chip->ecc; + + if (section || !ecc->total) + return -ERANGE; + + oobregion->length = ecc->total; + oobregion->offset = 12; + + return 0; +} + +static int qi_lb60_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + struct nand_chip *chip = mtd_to_nand(mtd); + struct nand_ecc_ctrl *ecc = &chip->ecc; + + if (section) + return -ERANGE; + + oobregion->length = mtd->oobsize - ecc->total - 12; + oobregion->offset = 12 + ecc->total; + + return 0; +} + +const struct mtd_ooblayout_ops qi_lb60_ooblayout_ops = { + .ecc = qi_lb60_ooblayout_ecc, + .free = qi_lb60_ooblayout_free, +}; + static int jz4725b_ooblayout_ecc(struct mtd_info *mtd, int section, struct mtd_oob_region *oobregion) { @@ -409,6 +444,8 @@ static int jz4780_nand_probe(struct platform_device *pdev) if (!ret) { if (!strcmp(layout, "ingenic,jz4725b")) { nfc->oob_layout = &jz4725b_ooblayout_ops; + } else if (!strcmp(layout, "qi,lb60")) { + nfc->oob_layout = &qi_lb60_ooblayout_ops; } else { dev_err(dev, "Unrecognized OOB layout %s\n", layout); return -EINVAL; -- 2.20.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/