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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 9E72AC5DF60 for ; Fri, 8 Nov 2019 07:49:18 +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 74071207FA for ; Fri, 8 Nov 2019 07:49:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="hYCe/2yz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 74071207FA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de 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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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:In-Reply-To:References: List-Owner; bh=Fz9gmH3QzwecnsB4Mbj3zJrKBotY2sQKYPfyX700/Os=; b=hYCe/2yz7/8+Y5 r5GGv9i8dUpDjJEIxO8gFzisCw73mnZ1IAdz8tdbey/T/OtDDjKhGRThjC6cTfhcO1Qs/lVSrgyiH LaFdxFt3nWvY+PTf1/fmSzZeBdjeqNuaaQnxiVFqZ4iMkRjvvdtui452gYd9KYSLNxdcOifK4OagA ehpRtpUuY2Fgdrk4Y1LoT0IXZrMpascPYoBiOo9UIny6WoZ6nml+KDEo0cFaZhSUKiISsUCm1a5Pz eltimLiw8qEq3zvW5cWLJ9yceBbwS854PMhWMLMl+KLYzV/vdVdGLZ1PMRRMshOz8ykdHQ5Zni/Te jvKve/z2shaWtuQQ1v4A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iSz0z-0006eb-Am; Fri, 08 Nov 2019 07:49:05 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iSz0w-0006dj-G7 for linux-mtd@lists.infradead.org; Fri, 08 Nov 2019 07:49:04 +0000 Received: from dude02.hi.pengutronix.de ([2001:67c:670:100:1d::28] helo=dude02.lab.pengutronix.de) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1iSz0p-0002is-9R; Fri, 08 Nov 2019 08:48:55 +0100 Received: from mfe by dude02.lab.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1iSz0n-0004rt-Pu; Fri, 08 Nov 2019 08:48:53 +0100 From: Marco Felsch To: miquel.raynal@bootlin.com, frieder.schrempf@kontron.de, bbrezillon@kernel.org, richard@nod.at Subject: [PATCH] mtd: spinand: micron: add support for MT29F1G01AAADD Date: Fri, 8 Nov 2019 08:48:52 +0100 Message-Id: <20191108074852.18507-1-m.felsch@pengutronix.de> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::28 X-SA-Exim-Mail-From: mfe@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-mtd@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191107_234902_594816_EA79CED3 X-CRM114-Status: GOOD ( 11.61 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: marek.vasut@gmail.com, sshivamurthy@micron.com, linux-mtd@lists.infradead.org, kernel@pengutronix.de, Peter Pan 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 MT29F1G01AAADD is a single die, SLC based SPI NAND. It has a capacity of 1Gb and supports 4-bit ECC. The datasheet can be found [1]. Unfortunatly the linked device is marked as EoL, but I will expect that the MT29F1G01AAADDH4-ITX behaves the same way. [1] https://datasheet.octopart.com/MT29F1G01AAADDH4-IT:D-Micron-datasheet-11572380.pdf Cc: Peter Pan Cc: sshivamurthy@micron.com Signed-off-by: Marco Felsch --- v2: - Convert 0x10 into 16 for ooblayout description - Don't break web link within commit message drivers/mtd/nand/spi/micron.c | 68 +++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) diff --git a/drivers/mtd/nand/spi/micron.c b/drivers/mtd/nand/spi/micron.c index 7d7b1f7fcf71..70e278759bd3 100644 --- a/drivers/mtd/nand/spi/micron.c +++ b/drivers/mtd/nand/spi/micron.c @@ -34,6 +34,18 @@ static SPINAND_OP_VARIANTS(update_cache_variants, SPINAND_PROG_LOAD_X4(false, 0, NULL, 0), SPINAND_PROG_LOAD(false, 0, NULL, 0)); +static SPINAND_OP_VARIANTS(read_cache_variants_mt29f1g01aaadd, + SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0)); + +static SPINAND_OP_VARIANTS(write_cache_variants_mt29f1g01aaadd, + SPINAND_PROG_LOAD(true, 0, NULL, 0)); + +static SPINAND_OP_VARIANTS(update_cache_variants_mt29f1g01aaadd, + SPINAND_PROG_LOAD(false, 0, NULL, 0)); + static int mt29f2g01abagd_ooblayout_ecc(struct mtd_info *mtd, int section, struct mtd_oob_region *region) { @@ -90,6 +102,52 @@ static int mt29f2g01abagd_ecc_get_status(struct spinand_device *spinand, return -EINVAL; } +static int mt29f1g01aaadd_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 3) + return -ERANGE; + + region->offset = (section * 16) + 8; + region->length = 8; + + return 0; +} + +static int mt29f1g01aaadd_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 3) + return -ERANGE; + + /* 2 bytes for the BBM + 2 bytes to skip non-ecc memory */ + region->offset = (section * 16) + 4; + region->length = 4; + + return 0; +} + +static const struct mtd_ooblayout_ops mt29f1g01aaadd_ooblayout = { + .ecc = mt29f1g01aaadd_ooblayout_ecc, + .free = mt29f1g01aaadd_ooblayout_free, +}; + +static int mt29f1g01aaadd_ecc_get_status(struct spinand_device *spinand, + u8 status) +{ + switch (status & STATUS_ECC_MASK) { + case STATUS_ECC_NO_BITFLIPS: + return 0; + case STATUS_ECC_HAS_BITFLIPS: + /* 1 to 4-bit error detected and corrected */ + return 4; + case STATUS_ECC_UNCOR_ERROR: + return -EBADMSG; + default: + return -EINVAL; + } +} + static const struct spinand_info micron_spinand_table[] = { SPINAND_INFO("MT29F2G01ABAGD", 0x24, NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 2, 1, 1), @@ -100,6 +158,16 @@ static const struct spinand_info micron_spinand_table[] = { 0, SPINAND_ECCINFO(&mt29f2g01abagd_ooblayout, mt29f2g01abagd_ecc_get_status)), + SPINAND_INFO("MT29F1G01AAADD", 0x12, + NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 2, 1, 1), + NAND_ECCREQ(4, 2048), + SPINAND_INFO_OP_VARIANTS( + &read_cache_variants_mt29f1g01aaadd, + &write_cache_variants_mt29f1g01aaadd, + &update_cache_variants_mt29f1g01aaadd), + 0, + SPINAND_ECCINFO(&mt29f1g01aaadd_ooblayout, + mt29f1g01aaadd_ecc_get_status)), }; static int micron_spinand_detect(struct spinand_device *spinand) -- 2.20.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/