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[118.13.124.123]) by smtp.googlemail.com with ESMTPSA id x23sm45041113pge.47.2020.12.28.21.51.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Dec 2020 21:51:25 -0800 (PST) From: Daniel Palmer To: linux-mtd@lists.infradead.org Cc: linux-kernel@vger.kernel.org, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, Daniel Palmer Subject: [PATCH 0/1] Add basic support for Foresee SPI NAND Date: Tue, 29 Dec 2020 14:50:58 +0900 Message-Id: <20201229055059.2255021-1-daniel@0x0f.com> X-Mailer: git-send-email 2.30.0.rc2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is my very crude attempt at adding support for Longsys' Foresee branded SPI NAND parts that are showing up on some boards. I fully admit I have no idea what I'm doing here and I basically took one of the existing files, ripped out what I didn't understand and tried to fill in the numbers from the datasheet without really knowing what they mean. This worked well enough for me to get something that looks like a correct dump of the SPI NAND from a board I'm working with. I need the vendor firmware on the board for reverse engineering so I haven't actually tried to write anything yet. The datasheet for this chip is linked. If someone that actually knows what they're doing could take a look and point out my mistakes that would be great. Link: https://datasheet.lcsc.com/szlcsc/2008121142_FORESEE-FS35ND01G-S1Y2QWFI000_C719495.pdf Daniel Palmer (1): mtd: spinand: add support for Foresee FS35ND01G drivers/mtd/nand/spi/Makefile | 2 +- drivers/mtd/nand/spi/core.c | 1 + drivers/mtd/nand/spi/longsys.c | 45 ++++++++++++++++++++++++++++++++++ include/linux/mtd/spinand.h | 1 + 4 files changed, 48 insertions(+), 1 deletion(-) create mode 100644 drivers/mtd/nand/spi/longsys.c -- 2.30.0.rc2 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=-11.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 652E5C433DB for ; Tue, 29 Dec 2020 05:53:05 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 E15D920727 for ; Tue, 29 Dec 2020 05:53:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E15D920727 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=0x0f.com 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=merlin.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=/JeqpC5sPQNQiwbZt6MmPVD9nGjaSgmst5vZd9DGrps=; b=tY5ltNiZ/U9Skg47jnohg406qW demhUpb0AZS87IVqQAkVNuHra5nriJ+upNExprPFpdeeIL7GQOPvSs2Q8hlVK5rVxvT8RykjzibjJ 1zsu7W4ahr1tpwz+bWB6I5GeihVT1EU64Lz4Y2EIxf/ibAXFanlcqBL3UvO+9XB0NoyiM8r7kGydB zvLgUc1hYK0dqX0G7a0F45MDAy134EZsPxuDmwHvrg6wFQjz4lENVbhNQekyXD1ci+1sQ7Lt3UeTd Oj2K4zX31s05vjcPvjlni4YXVQwOpaE5DM4zpg/4cGbKqa0O8VtO923lykRzzITH2SCIi7vLRBOuk NTBYktAA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ku7uz-0005oj-1O; Tue, 29 Dec 2020 05:51:37 +0000 Received: from mail-pl1-x62b.google.com ([2607:f8b0:4864:20::62b]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ku7uu-0005nx-ES for linux-mtd@lists.infradead.org; Tue, 29 Dec 2020 05:51:34 +0000 Received: by mail-pl1-x62b.google.com with SMTP id v3so6698504plz.13 for ; Mon, 28 Dec 2020 21:51:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=0x0f.com; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Ws6av0vO/n+wtrNUa74n3tClewh7290nN7ExGkq43UI=; b=YY41nMVeSFbTCpTx+MYE+RLVcV7VcqULCF0sXiC5fu3HDw4t/KZWH7ZUF1rr8VHw8u 4i0NUe0+vqLBoKxuvW761+OekAaEKXolvcFlzmK76eVnaWnhEQjf+VhNQLvvhO3NrTq3 qCIgzBCCmuUYOTIku0kq01wRcRZd7K+1ybJtI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Ws6av0vO/n+wtrNUa74n3tClewh7290nN7ExGkq43UI=; b=VnGgTfx9vLz3hltS4fMd4VoJJSLk//UdD7iwaAkAq6C0nkbV/3CWM4TQGlUYPtrcMF bRfE8LzmiWJBf65oGPqs2lnu44Qqd6YuF5pgMjx9kqbcxXaYLVCJsTubyE8OxqCXXFgI EQscuxkqWhch0VnWT/0YE3ytxGUo0n7Ckodp6ND6vmVwME558WG++gqFrc5jnbxI3zPp el0Hrh+m41Ro3FkkUg8r6Ox8lExfkeG/UhbgLjdcBqM9ntMlRp7PqDhlOwGQ/X+MeXhA uDMmmgvxJzGG/PkOlbrHlTzUtowbFPlu8YPTSYelJiYp7IEXgKRqMRCHhXTpQahsKzaG elKA== X-Gm-Message-State: AOAM532hj3DyMHDO966vIKmzz8ClmmrqZ7vQ0/IpqbkaJCGJmBky+XBR VaK4OqAnxd3x18EyINA3zRk3uSnbt7p2oQ== X-Google-Smtp-Source: ABdhPJyho6BEPlXg0tseu2Gzc0+n/F44qHf9yOCIxgGR0kpQZq/Rh9SpXsyWd3kxTKjiFY3PI0SXaA== X-Received: by 2002:a17:90b:90f:: with SMTP id bo15mr2474480pjb.148.1609221085820; Mon, 28 Dec 2020 21:51:25 -0800 (PST) Received: from shiro.work (p1268123-ipngn200803sizuokaden.shizuoka.ocn.ne.jp. [118.13.124.123]) by smtp.googlemail.com with ESMTPSA id x23sm45041113pge.47.2020.12.28.21.51.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Dec 2020 21:51:25 -0800 (PST) From: Daniel Palmer To: linux-mtd@lists.infradead.org Subject: [PATCH 0/1] Add basic support for Foresee SPI NAND Date: Tue, 29 Dec 2020 14:50:58 +0900 Message-Id: <20201229055059.2255021-1-daniel@0x0f.com> X-Mailer: git-send-email 2.30.0.rc2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201229_005132_655163_99A81F6F X-CRM114-Status: GOOD ( 13.79 ) 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: vigneshr@ti.com, richard@nod.at, Daniel Palmer , linux-kernel@vger.kernel.org, miquel.raynal@bootlin.com 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 This is my very crude attempt at adding support for Longsys' Foresee branded SPI NAND parts that are showing up on some boards. I fully admit I have no idea what I'm doing here and I basically took one of the existing files, ripped out what I didn't understand and tried to fill in the numbers from the datasheet without really knowing what they mean. This worked well enough for me to get something that looks like a correct dump of the SPI NAND from a board I'm working with. I need the vendor firmware on the board for reverse engineering so I haven't actually tried to write anything yet. The datasheet for this chip is linked. If someone that actually knows what they're doing could take a look and point out my mistakes that would be great. Link: https://datasheet.lcsc.com/szlcsc/2008121142_FORESEE-FS35ND01G-S1Y2QWFI000_C719495.pdf Daniel Palmer (1): mtd: spinand: add support for Foresee FS35ND01G drivers/mtd/nand/spi/Makefile | 2 +- drivers/mtd/nand/spi/core.c | 1 + drivers/mtd/nand/spi/longsys.c | 45 ++++++++++++++++++++++++++++++++++ include/linux/mtd/spinand.h | 1 + 4 files changed, 48 insertions(+), 1 deletion(-) create mode 100644 drivers/mtd/nand/spi/longsys.c -- 2.30.0.rc2 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/