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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 53849C5DF66 for ; Sun, 16 Aug 2026 09:31:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :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=iSL9ByR7kxDYNWP4Zlg9gUUQoJVSA3lFChGB75pn+A0=; b=HakZcs6B77zKQR Ji0bUpUWKaJCHHFIWhQ7DGozMRnng2m3NQ7BXgP0jc9CJLZfWh+qUQqFNMr+34UciUvdPOG8ZQ6x4 m96KwrM7XxdmP7AGvVKlW5ImD38Ej1T1pGO3T/XhewUQs4h0e0c1piNOOMXJ9ERxAlT8UyGVRxOF4 G/nzOHyDnpY/NdbqFqdnZ/FcgamJFtdi1cYgM7nQmPsB5u8NZLANoFbnTXmCqfKPjxdY0hdo2ztJ5 ig4gec82wEzGXxCMXvtdrxUfVd3pn1r0wF00dXotLc7oGhewBQBfGniutK0m2B+F2Pyf+Q4eZFwYb fJRTKlTrhahI293k21Kg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wvXDM-00000004c8h-3R2v; Sun, 16 Aug 2026 09:31:36 +0000 Received: from mail-pf1-x42f.google.com ([2607:f8b0:4864:20::42f]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wvXDI-00000004c8M-06sz for linux-mtd@lists.infradead.org; Sun, 16 Aug 2026 09:31:33 +0000 Received: by mail-pf1-x42f.google.com with SMTP id d2e1a72fcca58-84867f07d63so2413533b3a.2 for ; Sun, 16 Aug 2026 02:31:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1786872690; x=1787477490; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=3sow89GSV5jpBqPfbfCrprpxv/6mc7o1Uw/7hLLW1qg=; b=VryTYICINBDUuPIBkrz8Kq3r9VK98EcGK3SYthwkR6mqhim8Qtq/N8DGcP5YMJPWYJ 55nu93LncTKcsP75d9U5jmJqrBGUKj4QRBnI1XpMkCrTK8QE3h2jCJQGlNx+Jqp8lMY2 9J+7rgGdjvI14Nb/ej6PQh5hEGA+fMAApxf8QwC9Twtlh5iJseR7nv2dm6JVoxLBTdqQ 1DlO+bOzAdJUQ1BD3zJAzq26Rfdr5gEBC1wBot0Nzkd87oLDgsrLvBnu7FaMDXDCqEyM 9lrRZsATr/EJeCReKSCAE2bPO+lmENg0TyXkK+J7+b3rjDaIK3QfdGNcsR1HUkmqRQAA B82A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786872690; x=1787477490; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=3sow89GSV5jpBqPfbfCrprpxv/6mc7o1Uw/7hLLW1qg=; b=IbeWCOlqAIUsvmlHJq/5WFftBo1mtOzqtSvSbkPNNAsFovmmWh5zWZAViNt25NIJOg h0aHm1IoNuffwLPjhhNhdKi8tzRvz87hNhR/8TIE9XECzQHpOjzId9YLLH9mszMZYM7e 6CNJL6m1A0TYffyWEJjc9+z9yw7e3M1rCU10Bux3kaGsFKO2+xpyNRsPtvZ0/ktC07Yu ZwxGOh/n6TQDdyFBrWTYA47LjhasH6pv4uJMIndJ2P6VMklWH6a3BwpcOciVYkgS1lVH VzimQDs6V2+ZNYDpbtllmU9c4AS313nX4DhHsvZAc3IuD4q6w/UY5OZ8D0FPrpTiq2NB zyNA== X-Forwarded-Encrypted: i=1; AHgh+Rq7UfPvKXuNycT/tDu5Z7FAHcZq+gNRkzygvAo3Gfwn+B0JD+tk4EfwP3mI0dOUHiLC3hKtdywvaIo=@lists.infradead.org X-Gm-Message-State: AOJu0Yw01GeNVS2dzqUVEyOBzn8fyQ2Uyr2a6nkFyihVnYnYzN7jyv4/ YiW+QvjZvtGXKHI1xoSPwON+zMUAjB8QJkEO+E6+EyC1B9PopsYZKf2V X-Gm-Gg: AR+sD13TnFZRFCRvc0x9X4odf60O9JZ+te6sy2T3AFhliGCbpcwxPvzBJRtSmGSu6hF 270NIX93lSDXDphgQyqctJNJCfHZ1JpEt8gx4GFewkpQGlkhY1sRaJoQv+6iSinT79p2p9HZ0S7 Z9Z4FJh2xs9a/oA7xrECQSZHea6TvZImsUo9mXL8FqSPyDGB8lVVDwHOO2ywBZfxA65OLH69TC0 MhHkY4GTsEUJFra3h9+mcjV14zPKeB2AT+/USoa3mO6PkfIFRJdjhA3X6voYyYiFVduYKHcoYpI mdT3uNsnAl+Ki9WZKbnwSklC7+yE9FQ/v3+PU764xYII8Xn5UfCyqHXw3R3lZw71IaTsMdIpmSP +GlBATITm8jqCmsRpUmK3s7wYa/61ErxpBaOSSxYDC5SvWdLnqSmZqtlAZHDmSSwcyU2ja5cLxl psV/S4u9z7tEB6pLdZ7UiORu2mpNHZuB/7KGJXKQD+wN/Rt7zpRoFB4OdZodWUfuQyr0j5P+yMv puHj4GVUpFfUXMtBwTYCu/Iy5iMOGf2kXmR59LX1zJQPid+5wIMbd9V4JxaxlE1YRgnAaNGXJaO /Q== X-Received: by 2002:a05:6a00:2da3:b0:845:cdc1:a803 with SMTP id d2e1a72fcca58-84fddfe09a8mr16917458b3a.11.1786872690269; Sun, 16 Aug 2026 02:31:30 -0700 (PDT) Received: from localhost (2001-b400-e339-d3d2-5062-d98b-71d5-8271.emome-ip6.hinet.net. [2001:b400:e339:d3d2:5062:d98b:71d5:8271]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8517d22a341sm1718052b3a.36.2026.08.16.02.31.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 16 Aug 2026 02:31:29 -0700 (PDT) From: Huasin Liao To: miquel.raynal@bootlin.com, vigneshr@ti.com Cc: richard@nod.at, tudor.ambarus@linaro.org, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, huasin.liao@airoha.com, Huasin Liao Subject: [PATCH] mtd: spinand: winbond: add support for W25N04LV Date: Sun, 16 Aug 2026 17:31:24 +0800 Message-Id: <20260816093124.12325-1-huasinliao@gmail.com> X-Mailer: git-send-email 2.39.3 (Apple Git-146) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260816_023132_071399_0194AD86 X-CRM114-Status: GOOD ( 10.12 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 Add support for the Winbond W25N04LV. Tested on an Airoha AN7581-based board with the on-board W25N04LV, verified erase/read/write. Link: https://www.winbond.com/hq/product/code-storage-flash-memory/qspinand-flash/?__locale=en&partNo=W25N04LV Cc: huasin.liao@airoha.com Signed-off-by: Huasin Liao --- drivers/mtd/nand/spi/winbond.c | 38 ++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c index 9b78c1e6cbc9..892220a12b22 100644 --- a/drivers/mtd/nand/spi/winbond.c +++ b/drivers/mtd/nand/spi/winbond.c @@ -345,6 +345,35 @@ static const struct mtd_ooblayout_ops w25n02kv_ooblayout = { .free = w25n02kv_ooblayout_free, }; +static int w25n04lv_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 7) + return -ERANGE; + + region->offset = 128 + (16 * section); + region->length = 13; + + return 0; +} + +static int w25n04lv_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 7) + return -ERANGE; + + region->offset = (16 * section) + 2; + region->length = 14; + + return 0; +} + +static const struct mtd_ooblayout_ops w25n04lv_ooblayout = { + .ecc = w25n04lv_ooblayout_ecc, + .free = w25n04lv_ooblayout_free, +}; + static int w25n01jw_ooblayout_ecc(struct mtd_info *mtd, int section, struct mtd_oob_region *region) { @@ -759,6 +788,15 @@ static const struct spinand_info winbond_spinand_table[] = { &update_cache_variants), 0, SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)), + SPINAND_INFO("W25N04LV", /* 3.3V */ + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x8b, 0x23), + NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&w25n04lv_ooblayout, w25n02kv_ecc_get_status)), SPINAND_INFO("W25N04KW", /* 1.8V */ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xba, 0x23), NAND_MEMORG(1, 2048, 128, 64, 4096, 40, 1, 1, 1), -- 2.39.3 (Apple Git-146) ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f173.google.com (mail-pf1-f173.google.com [209.85.210.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0D5AF13DDAE for ; Sun, 16 Aug 2026 09:31:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786872692; cv=none; b=ODm2YWA6w8bjd60pufwkrUSp/jEsXlTN+U+2SWOpbEdAueCbV2DoUPI7D8py3QbDHBJov0DHlct8q6zL4WmHrs5qj8VadsSmBmUxxZRnV8alpVmEnl7hlS/giwc4gZC0qvr7f3YTGd3lNJ7NPE5Mr/7jXnQyDH5DHKssl47UH1w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786872692; c=relaxed/simple; bh=7SVRPixutXHYGUXQ8aMtxFGkaVoNoncvsqMQaqpasNg=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=jchqX9lW7LU+6dc8l7x3xjtcIcMDJkcNaRxiZ3X3uZ7ruO3g/5skU0K2BfKNnNtPATv7bA54VNM0heuxtktIZ2c9BEvqjhxbK5qF/FgV4wgAAhFq/3tDgvlh58q/9dIfAwpuZfOKlgl44EMwlFlYK0yeu748K7Unv9ZH63ZSagw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Zh9BMXiC; arc=none smtp.client-ip=209.85.210.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Zh9BMXiC" Received: by mail-pf1-f173.google.com with SMTP id d2e1a72fcca58-84867f07d63so2413534b3a.2 for ; Sun, 16 Aug 2026 02:31:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1786872690; x=1787477490; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=3sow89GSV5jpBqPfbfCrprpxv/6mc7o1Uw/7hLLW1qg=; b=Zh9BMXiCQh3iWsKBV+y0rC45NTZvLVrETt+5TkY0WIYF4yaF1h2WMDMStXo0cKXVyj nvEvy99q0mYZZW8iamY0V3BXsZU+/ARDvt4YVde6PNFOhs7fJWpeF/xzoX2dVPY9Q/MF eCaBeYO4+RP+SThXU8dffkpaDoD9ylBV+1RfvukDapcNS2ZN3BrafnADYYhbxUN96Rzc BaJC8wDUapKfW3m/cCm/fjOaF7Lgwpcz+UVJaGtlyRkgz+z1TqC82GrsgcByteoLScyl CxrQd0YAXhJYXL9m+QC3xiIFD4Y5+0X824DIl5ryd9zWQoZ6Bv07GqTOXhffvYeAX1EM nSWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786872690; x=1787477490; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=3sow89GSV5jpBqPfbfCrprpxv/6mc7o1Uw/7hLLW1qg=; b=DiGgXjNVnjDhesWsVnsIWsodHOONq4JMEsoTGLdKckpqLU6y37uKYC52Ca66jNdjTs l8afC5UwZraNP3g6O6xhNtvpUjbbzCbjALzy1Vp1oqP68CGf1ZjDw5M3ISyk1EgrTER9 WNoYiq6LDGza66bY+xucOoGSmXnGJX0XKhs1bvRwz3RKPZPZHQULxLGssLHnTIKaKr+O TZF0ihaMVtXdfEHumLk+6QgwEGCAEQc4BIhv/G3jRVUy5pNKMqRQl5+ViiWfLaaoJfd+ SaNfhKkVQyqvu0otTNLcqosl+lvVMoDUCMBI1O/UTCeq7rhtm44uoQOrP7iJ6Hei1Kd7 C3WA== X-Forwarded-Encrypted: i=1; AHgh+RqY6OCo6RvzQNwAKXVfBlak1QDDgmdovC3hCuBt2Ega8bWFEgMMtiBAxEyGTuo8uxwamXZN0Ezd0/YufCg=@vger.kernel.org X-Gm-Message-State: AOJu0Ywf33xGnQWL0+FgMdeQFP9K0t8k5ni5G7sMeBA37jJwWVbRWsjD zwD6Vi2gl+BvG7R2gbJrhV+Y5ygYa43kC0kkUeqampNxP7GI5vPGw1jW X-Gm-Gg: AR+sD10fxtN2/aHYhoWXymeaWuYxgNhCIyIY8bKYqE7yCVph05K7rNQxrtIHMvwjy5S uLMhMJChkoYFGGB1C9272NnjYfmkUv70OjiO4oSN2F4GhG03ggc/MxH/7vjDweGHsEA5AR0W+aG FhWxyUjYgpbkX+T4SMaqmDKV21zZCDPrKOWKx+lYb/r80Lli7Og3xcIbiy9+iXynEcZkRGaeVE6 pfdb7J3N5U4nZrdZrPmG85NQUossj1opCIuganHX2g35KTHs+zBoFIKpIt/XjkwjxL6bk0kXH5x YIIGDa+P9CTK0FWNSHYUn5jGUuseX58W+wvHSjGU0NdUzNvM3W7a4cJMuz+kG6fnsBHXANvRAbB BGX+QXIPVpRnjGpdxQUfQRw6k9JzC7DP925W1F/2JsO6imX36pqgrkhdAPWGM9Xi9MPOWtAiLOZ YtBFff8oddMCRnqpEOXcdAvp5q9uwZLgm0MhFRxRU3AUluBKXZd6pe5/7mFinSt4qkTiUEQHRgU LfU/CJaAYyuYWzgmEOefYyDJRZWfW7b2nu0QK5KEPUJUl2p8QQVOe053TnWbSjPwIraGN7oe9oO NA== X-Received: by 2002:a05:6a00:2da3:b0:845:cdc1:a803 with SMTP id d2e1a72fcca58-84fddfe09a8mr16917458b3a.11.1786872690269; Sun, 16 Aug 2026 02:31:30 -0700 (PDT) Received: from localhost (2001-b400-e339-d3d2-5062-d98b-71d5-8271.emome-ip6.hinet.net. [2001:b400:e339:d3d2:5062:d98b:71d5:8271]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8517d22a341sm1718052b3a.36.2026.08.16.02.31.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 16 Aug 2026 02:31:29 -0700 (PDT) From: Huasin Liao To: miquel.raynal@bootlin.com, vigneshr@ti.com Cc: richard@nod.at, tudor.ambarus@linaro.org, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, huasin.liao@airoha.com, Huasin Liao Subject: [PATCH] mtd: spinand: winbond: add support for W25N04LV Date: Sun, 16 Aug 2026 17:31:24 +0800 Message-Id: <20260816093124.12325-1-huasinliao@gmail.com> X-Mailer: git-send-email 2.39.3 (Apple Git-146) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add support for the Winbond W25N04LV. Tested on an Airoha AN7581-based board with the on-board W25N04LV, verified erase/read/write. Link: https://www.winbond.com/hq/product/code-storage-flash-memory/qspinand-flash/?__locale=en&partNo=W25N04LV Cc: huasin.liao@airoha.com Signed-off-by: Huasin Liao --- drivers/mtd/nand/spi/winbond.c | 38 ++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c index 9b78c1e6cbc9..892220a12b22 100644 --- a/drivers/mtd/nand/spi/winbond.c +++ b/drivers/mtd/nand/spi/winbond.c @@ -345,6 +345,35 @@ static const struct mtd_ooblayout_ops w25n02kv_ooblayout = { .free = w25n02kv_ooblayout_free, }; +static int w25n04lv_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 7) + return -ERANGE; + + region->offset = 128 + (16 * section); + region->length = 13; + + return 0; +} + +static int w25n04lv_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 7) + return -ERANGE; + + region->offset = (16 * section) + 2; + region->length = 14; + + return 0; +} + +static const struct mtd_ooblayout_ops w25n04lv_ooblayout = { + .ecc = w25n04lv_ooblayout_ecc, + .free = w25n04lv_ooblayout_free, +}; + static int w25n01jw_ooblayout_ecc(struct mtd_info *mtd, int section, struct mtd_oob_region *region) { @@ -759,6 +788,15 @@ static const struct spinand_info winbond_spinand_table[] = { &update_cache_variants), 0, SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)), + SPINAND_INFO("W25N04LV", /* 3.3V */ + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x8b, 0x23), + NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&w25n04lv_ooblayout, w25n02kv_ecc_get_status)), SPINAND_INFO("W25N04KW", /* 1.8V */ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xba, 0x23), NAND_MEMORG(1, 2048, 128, 64, 4096, 40, 1, 1, 1), -- 2.39.3 (Apple Git-146)