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 E3FBDC4332F for ; Thu, 2 Nov 2023 18:33:28 +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-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:Cc:To:From :Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=m5njJylL+bV+Nz9G9qxK3NuU9hTJVUVgtPzDJEBs4mM=; b=e8yB7Ec3FNK0u03q/EXKh28IPC nL9f1jup5TKSIDu8/Zz514hmH3d3cAEyy2AuvQoDZtI3YhN9Yjl6P6iI2vq81bodt6yRcK1Dfxn+X R8rEUVAWkm2oQX8s6pka+JKG7FMmyTOkhhSr/Dk3N0h9qgcZ8NxZWbBzjDb3Ohaua/xRZybgs1bOE VUWBWZCT09Hl7/iSv0yTjCLX2ymlu4DyPSnZyQJbWjBjIw3WBTg0bpbU2/TlzSKm7mLz7gxOI7As2 eK7hN88CxKZy1569sFVLzBx8L0mPiuBuBzexjmASI4Y/MD6FvCa0uI1J/LnlfZB6nwCJ7Td3p+DA6 4CCtuHGA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qycVL-00A5gn-3B; Thu, 02 Nov 2023 18:33:19 +0000 Received: from phobos.denx.de ([2a01:238:438b:c500:173d:9f52:ddab:ee01]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qycVF-00A5fz-04; Thu, 02 Nov 2023 18:33:17 +0000 Received: from mail.denx.de (unknown [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: festevam@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 4E527863F8; Thu, 2 Nov 2023 19:33:10 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1698949990; bh=JwLWWZ2WjC8z7Q0zXgOpxXsSQrz5xm/Ph5/ywFzhWmQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Y9tSKfy8pQumf92Y/NlQLXSTHQ0B6UlpVo9tmt8Dwu0uuzVhy3z7MHb8mYeHQ6YN6 onnD2Cbok4kEM9lbRJNvLLZdfjb9NaZibysRGRClu/LiI+BVC1QE88dnt6kY+htqaw EnvWcAsDKAvVTap+WMTfqOPbS0Y+2U2vQL3p+vN3WPx+bXAAGEImcD0wgPJEfFaNSN yowC4ZlwDblzO0++WLnjhPYcix26BWlcLZ9j+JHPzcrg2lhsdAMoD44ABRH3CsbA1s aB1IM5jki9WJo6jgpkRshTpcC0hFn3f+Q8A9nIMps0kKQHBVOKz9E1K6hk4Y0pgpHu m4Qbw3kN9cXnQ== MIME-Version: 1.0 Date: Thu, 02 Nov 2023 15:33:10 -0300 From: Fabio Estevam To: Tudor Ambarus Cc: michael@walle.cc, takahiro.kuwano@infineon.com, pratyush@kernel.org, linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, bacem.daassi@infineon.com, miquel.raynal@bootlin.com, richard@nod.at Subject: Re: [PATCH v2 2/6] mtd: spi-nor: add erase die (chip) capability In-Reply-To: References: <20231101145853.524045-1-tudor.ambarus@linaro.org> <20231101145853.524045-3-tudor.ambarus@linaro.org> <7fc95ddf-c860-49b9-93de-ef32b9383e42@linaro.org> <216d99d671caa2465519fcc3360c5001@denx.de> <5c48f93a9dd9b2bdc1874dd4eebbf5bb@denx.de> <632457ed6b022856496537bdf8a738ba@denx.de> <6f1aa670-b3f7-4ea3-bc80-773a57e46c36@linaro.org> <968ba4c249926e986b02440ad0421e98@denx.de> Message-ID: X-Sender: festevam@denx.de User-Agent: Roundcube Webmail/1.3.6 X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231102_113313_439111_31E02AA5 X-CRM114-Status: UNSURE ( 5.31 ) X-CRM114-Notice: Please train this message. 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-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On 02/11/2023 15:21, Tudor Ambarus wrote: > Let's see what gets to the SPI controller. Which SPI controller do you > use? I am using i.MX8MP, which has drivers/spi/spi-nxp-fspi.c. Here is the result: root@mcde3000a:~# flash_erase /dev/mtd0 0 0 Erasing 131072 Kibyte @ 0 -- 0 [ 26.040903] spi-nor spi0.0: ***** nor->reg_proto = 0x00010101 % complete [ 26.049570] spi-nor spi0.0: ***** [ 26.053849] spi-nor spi0.0: ***** op.cmd.nbytes = 0x01 [ 26.059118] spi-nor spi0.0: ***** op.cmd.buswidth = 0x01 [ 26.064539] spi-nor spi0.0: ***** op.cmd.opcode = 0xc4 [ 26.069787] spi-nor spi0.0: ***** [ 26.073118] spi-nor spi0.0: ***** op.addr.nbytes = 0x04 [ 26.078451] spi-nor spi0.0: ***** op.addr.buswidth = 0x01 [ 26.083949] spi-nor spi0.0: ***** op.addr.buswidth = 0x0 [ 26.089368] spi-nor spi0.0: ***** [ 26.092699] spi-nor spi0.0: ***** op.dummy.nbytes = 0x00 [ 26.098123] spi-nor spi0.0: ***** op.dummy.buswidth = 0x00 [ 26.103713] spi-nor spi0.0: ***** [ 26.107045] spi-nor spi0.0: ***** op.data.buswidth = 0x00 [ 26.112549] spi-nor spi0.0: ***** op.data.nbytes = 0 [ 26.117727] spi-nor spi0.0: ***** nor->reg_proto = 0x00010101 [ 26.123589] spi-nor spi0.0: ***** [ 26.127012] spi-nor spi0.0: ***** op.cmd.nbytes = 0x01 [ 26.132274] spi-nor spi0.0: ***** op.cmd.buswidth = 0x01 [ 26.137706] spi-nor spi0.0: ***** op.cmd.opcode = 0xc4 [ 26.142956] spi-nor spi0.0: ***** [ 26.146290] spi-nor spi0.0: ***** op.addr.nbytes = 0x04 [ 26.151625] spi-nor spi0.0: ***** op.addr.buswidth = 0x01 [ 26.157132] spi-nor spi0.0: ***** op.addr.buswidth = 0x4000000 [ 26.163065] spi-nor spi0.0: ***** [ 26.166402] spi-nor spi0.0: ***** op.dummy.nbytes = 0x00 [ 26.171815] spi-nor spi0.0: ***** op.dummy.buswidth = 0x00 [ 26.177405] spi-nor spi0.0: ***** [ 26.180737] spi-nor spi0.0: ***** op.data.buswidth = 0x00 [ 26.186241] spi-nor spi0.0: ***** op.data.nbytes = 0 Erasing 131072 Kibyte @ 0 -- 100 % complete root@mcde3000a:~# hexdump /dev/mtd0 0000000 a1d4 168c 4dad dfb2 2a3d c2af 0aae c18a 0000010 2d5f 177a c39f 46a4 f9cd b880 331e 2543 .... Thanks ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/