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 1E86CEB64DA for ; Wed, 12 Jul 2023 16:15:19 +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=YTxSsLnmnFYDN7xctoTal79SKSHAMP/dXE40f5AdCJ0=; b=rYlxQvzIDGCI+J 0QyGY6aZZeQy2fwjjnobfeZU2khjFuJvPCXuQJx+zkR+6FBhRX4vYoumcpbd+DjCIxsN8UBFee9a9 GZPsL79K8GOqyyMsB3PuIMjHp7mpNo3jZdrLpd+2G8z3soF6ja7YSqtOLiAhSpctzYn1fAL1C9bOb reWTJB9pzGnkgH5A3S4EUHyAMZpteKAod1HGMmHmgWz5RhW7r/HKqyqKFsGFr7fcxSJ7IaMAC6id5 37WGvE2UixFthMLgnWubWHJps2jgIAm2PeXWxcAJqtglg57PEdzyOq+HrPQo0QqN3mNyu7M7P+YxN 5pUmHg4FI0wUihyr1qig==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qJcUk-000Usj-0N; Wed, 12 Jul 2023 16:15:14 +0000 Received: from relay3-d.mail.gandi.net ([217.70.183.195]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qJcUh-000Uqf-2I for linux-mtd@lists.infradead.org; Wed, 12 Jul 2023 16:15:13 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id AF08360009; Wed, 12 Jul 2023 16:15:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1689178506; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=QxTdJsrNKM3LWHSSmzfdlA2/i2WEVc+F5JQ6xnU9k4Q=; b=n2TK3mFvPeRcjLU4YXf8kolSpfW70ySbXA4W39iKy3R1Vig1u6u/xx97QW6WBi1Gn5rwr3 L0Bv6RYLH4kljrWWyzkSzCzOQmGOzWS2YzFcMPBGtYnAGjC8KWosyjVcduJwvJpaly3tge plkod20BPBM24b3C6i5ugAt9FviP5s9F6QRjjm/Fvng4wbHYXVz7cdQ/N7iocletVbpuwt XJ/kw3C90KA7G4/qmjTxItRP78Yi3IhCy11k4M5aUFxfF60C7ecA9IcVzJ/wEblcwvxZf8 HRnkBPPhORykxErUxOXs/Kf/fxLYTwmbT0tPA0e2W9FsZ5Wre9xfCmaYFqBiMw== From: Miquel Raynal To: Richard Weinberger , Vignesh Raghavendra , Tudor Ambarus , Pratyush Yadav , Michael Walle , Cc: Thomas Petazzoni , Miquel Raynal Subject: [PATCH v3] mtd: spi-nor: Add support for sst26vf032b flash Date: Wed, 12 Jul 2023 18:15:03 +0200 Message-Id: <20230712161503.448024-1-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-GND-Sasl: miquel.raynal@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230712_091512_014642_FE669CF8 X-CRM114-Status: GOOD ( 12.97 ) 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 Describe this new part. The datasheet is public. Link: https://ww1.microchip.com/downloads/aemDocuments/documents/MPD/ProductDocuments/DataSheets/SST26VF032B-SST26VF032BA-2.5V-3.0V-32-Mbit-Serial-Quad-IO-%28SQI%29-Flash-Memory-20005218K.pdf Here are the sfdp tables plus base testing to show it works. $ cat /sys/bus/spi/devices/spi0.0/spi-nor/partname sst26vf032b $ cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id bf2642 $ cat /sys/bus/spi/devices/spi0.0/spi-nor/manufacturer sst $ xxd -p /sys/bus/spi/devices/spi0.0/spi-nor/sfdp 53464450060102ff00060110300000ff81000106000100ffbf0001180002 0001fffffffffffffffffffffffffffffffffd20f1ffffffff0144eb086b 083b80bbfeffffffffff00ffffff440b0c200dd80fd810d820914824806f 1d81ed0f773830b030b0f7ffffff29c25cfff030c080ffffffffffffffff ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ffffffffffffffffffffffffffffffffff0004fff37f0000f57f0000f9ff 3d00f57f0000f37f0000ffffffffffffffffffffffffffffffffffffffff ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ffffbf2642ffb95ffdff30f260f332ff0a122346ff0f19320f1919ffffff ffffffff00669938ff05013506040232b03072428de89888a585c09faf5a ffff06ec060c0003080bffffffffff07ffff0202ff060300fdfd040600fc 0300fefe0202070e $ md5sum /sys/bus/spi/devices/spi0.0/spi-nor/sfdp e7efddddb3d5ee89ca37bf6b6e789645 /sys/bus/spi/devices/spi0.0/spi-nor/sfdp $ dd if=/dev/urandom of=./qspi_test bs=1M count=1 1+0 records in 1+0 records out $ mtd_debug write /dev/mtd0 0 1048576 qspi_test Copied 1048576 bytes from qspi_test to address 0x00000000 in flash $ mtd_debug erase /dev/mtd0 0 1048576 Erased 1048576 bytes from address 0x00000000 in flash $ mtd_debug read /dev/mtd0 0 1048576 qspi_read Copied 1048576 bytes from address 0x00000000 in flash to qspi_read $ hexdump qspi_read 0000000 ffff ffff ffff ffff ffff ffff ffff ffff * 0100000 $ mtd_debug write /dev/mtd0 0 1048576 qspi_test Copied 1048576 bytes from qspi_test to address 0x00000000 in flash $ mtd_debug read /dev/mtd0 0 1048576 qspi_read Copied 1048576 bytes from address 0x00000000 in flash to qspi_read $ sha1sum qspi_test qspi_read 2f2f191c7a937eca5db21a1c39e79e7327587cc1 qspi_test 2f2f191c7a937eca5db21a1c39e79e7327587cc1 qspi_read Signed-off-by: Miquel Raynal --- Changes in v3: * Dropped the second patch (untested changes as advised by Tudor). * Avoided playing with locking as I cannot test it either: simplified the diff by just using the PARSE_SFDP flag. * Rebased on top of -rc1 and adapted the patch to the current state. drivers/mtd/spi-nor/sst.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mtd/spi-nor/sst.c b/drivers/mtd/spi-nor/sst.c index 688eb20c763e..754e49f7ac33 100644 --- a/drivers/mtd/spi-nor/sst.c +++ b/drivers/mtd/spi-nor/sst.c @@ -111,6 +111,8 @@ static const struct flash_info sst_nor_parts[] = { SPI_NOR_QUAD_READ) }, { "sst26vf016b", INFO(0xbf2641, 0, 64 * 1024, 32) NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ) }, + { "sst26vf032b", INFO(0xbf2642, 0, 0, 0) + PARSE_SFDP { "sst26vf064b", INFO(0xbf2643, 0, 64 * 1024, 128) FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_SWP_IS_VOLATILE) NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) -- 2.34.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/