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Wed, 12 Dec 2018 10:25:28 +0000 (GMT) Received: from eucas1p2.samsung.com ( [182.198.249.207]) by eusmges2new.samsung.com (EUCPMTA) with SMTP id 52.9A.04294.712E01C5; Wed, 12 Dec 2018 10:25:27 +0000 (GMT) Received: from eusmgms2.samsung.com (unknown [182.198.249.180]) by eucas1p1.samsung.com (KnoxPortal) with ESMTP id 20181212102527eucas1p16f75c4c7a3e90a4a2ebec03a3dc0a4f3~vjui6Jk6f1309813098eucas1p1l; Wed, 12 Dec 2018 10:25:27 +0000 (GMT) X-AuditID: cbfec7f4-835ff700000010c6-22-5c10e2178837 Received: from eusync4.samsung.com ( [203.254.199.214]) by eusmgms2.samsung.com (EUCPMTA) with SMTP id 63.91.04128.712E01C5; Wed, 12 Dec 2018 10:25:27 +0000 (GMT) Received: from localhost.localdomain ([10.88.100.192]) by eusync4.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0PJM00MA5CY5TI00@eusync4.samsung.com>; Wed, 12 Dec 2018 10:25:27 +0000 (GMT) From: Jungseung Lee To: Marek Vasut , David Woodhouse , Brian Norris , Boris Brezillon , Richard Weinberger , linux-mtd@lists.infradead.org, js07.lee@gmail.com, js07.lee@samsung.com Subject: [PATCH 2/2 v2] mtd: spi-nor: support lock/unlock for a few Micron chips Date: Wed, 12 Dec 2018 19:25:15 +0900 Message-id: <20181212102515.7296-2-js07.lee@samsung.com> X-Mailer: git-send-email 2.17.1 In-reply-to: <20181212102515.7296-1-js07.lee@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrMIsWRmVeSWpSXmKPExsWy7djP87rijwRiDFrbTCz2nepnsThyYS2z xcSVk5kt/s55x2Tx6OZvVovdTcvYLY7uucdsMXnnG0YHDo95a6o9ds66y+6xeYWWx+Yl9R43 5xV69G1ZxRjAFsVlk5Kak1mWWqRvl8CVcWT/BfaCT3wV/57FNzBO4uli5OSQEDCROHVvFmsX IxeHkMAKRomjfY1MEM5nRokD6z6zwFTd2dwJVbWMUWL74WWMEM4/RomZ21Yyg1SxCWhJ3Pi9 iRXEFhGYzyRx+bU9iC0sECTx4tFbsDiLgKrE3Und7CA2r4CFxPt365kgNshLrN5wAGwOp4Cl RNurDrAFEgJ/WSVWtWyEOsNFYs7Hu+wQtrDEq+NboGwZicuTu6FqiiV2rpzIDtHcwijxaPkS qCJjiXdv14JtYBbgk5i0bTqQzQEU55XoaBOCMD0kVj9Sh3ish1Hi4rMTzBMYJRYwMqxiFE8t Lc5NTy02ykst1ytOzC0uzUvXS87P3cQIjLrT/45/2cG460/SIUYBDkYlHt4dr/hjhFgTy4or cw8xSnAwK4nwyhgJxAjxpiRWVqUW5ccXleakFh9ilOZgURLnrWZ4EC0kkJ5YkpqdmlqQWgST ZeLglGpgdNBQttXTv8xx7m7thK1PLA9mMYYHZfxrbPIXbJZwaztg2a8xhSMgdpIUE4P1s5yX jsWns4ymVoT4MHk7f98YqV3gPWf9/isZx9LD4359aimfMm+ayBfeLim/7Wvr//4J/qm49o9x R2voqfZq5dBLzn+zF8yT/sM4/9qFlcGhYt9/7gzbdfCyEktxRqKhFnNRcSIAddGLLLYCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpiluLIzCtJLcpLzFFi42I5/e/4NV3xRwIxBmseSVjsO9XPYnHkwlpm i4krJzNb/J3zjsni0c3frBa7m5axWxzdc4/ZYvLON4wOHB7z1lR77Jx1l91j8wotj81L6j1u ziv06NuyijGALYrLJiU1J7MstUjfLoEr48j+C+wFn/gq/j2Lb2CcxNPFyMkhIWAicWdzJ2sX IxeHkMASRonWMxugnAYmiSdb+tlBqtgEtCRu/N4ElhARmM8kcXz1fmaQhLBAgMSdPQvAbBYB VYm7k7rBGngFLCTev1vPBLFCXmL1hgNgNZwClhJtrzoYQWwhoJr9D28yTWDkXsDIsIpRJLW0 ODc9t9hIrzgxt7g0L10vOT93EyMwZLYd+7llB2PXu+BDjAIcjEo8vDte8ccIsSaWFVfmHmKU 4GBWEuGVMRKIEeJNSaysSi3Kjy8qzUktPsQozcGiJM573qAySkggPbEkNTs1tSC1CCbLxMEp 1cBYwy2pdUT3lr1PyKbN5ScmHYmZ8GlBcZyZjdGJ7nU24rozfc6qy8/P3tS8YuOWuZ/ecMiw /zBY4dynNHW3zHqWHTUncjICIliPxTBMuvSBS3TVeQZHw8rVi/hPVJYvNnjKv2l7ctWcV1Ob 7/2zWtdVome1kqOv8dNftltfuYX+f3VrOx79d98RJZbijERDLeai4kQApLc/QxUCAAA= X-CMS-MailID: 20181212102527eucas1p16f75c4c7a3e90a4a2ebec03a3dc0a4f3 X-Msg-Generator: CA CMS-TYPE: 201P X-CMS-RootMailID: 20181212102527eucas1p16f75c4c7a3e90a4a2ebec03a3dc0a4f3 References: <20181212102515.7296-1-js07.lee@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181212_022543_469122_4DE474F8 X-CRM114-Status: GOOD ( 14.06 ) X-Spam-Score: -5.4 (-----) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-5.4 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [210.118.77.11 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.2 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Some Micron models are known to have lock/unlock support, and that also support 4bit block protection bit (bp0-3). This patch support lock/unlock feature on the flash. Tested on w25q512ax3. The Other is modified following the datasheet. Signed-off-by: Jungseung Lee --- ChangeLog v1->v2: - Rebase on latest MTD development branch --- drivers/mtd/spi-nor/spi-nor.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index c33b72eeae12..b94e0909efcf 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -1904,8 +1904,16 @@ static const struct flash_info spi_nor_ids[] = { { "n25q128a13", INFO(0x20ba18, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_QUAD_READ) }, { "n25q256a", INFO(0x20ba19, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, { "n25q256ax1", INFO(0x20bb19, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_QUAD_READ) }, - { "n25q512a", INFO(0x20bb20, 0, 64 * 1024, 1024, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) }, - { "n25q512ax3", INFO(0x20ba20, 0, 64 * 1024, 1024, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) }, + { + "n25q512a", INFO(0x20bb20, 0, 64 * 1024, 1024, + SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | + SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_HAS_BP3) + }, + { + "n25q512ax3", INFO(0x20ba20, 0, 64 * 1024, 1024, + SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | + SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_HAS_BP3) + }, { "n25q00", INFO(0x20ba21, 0, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) }, { "n25q00a", INFO(0x20bb21, 0, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) }, { "mt25qu02g", INFO(0x20bb22, 0, 64 * 1024, 4096, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) },