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Mon, 23 Mar 2020 09:24:36 +0000 From: To: , , Subject: [PATCH v3 5/5] mtd: spi-nor: Enable locking for n25q512ax3/n25q512a Thread-Topic: [PATCH v3 5/5] mtd: spi-nor: Enable locking for n25q512ax3/n25q512a Thread-Index: AQHWAPTeW9NARohhVUu+LhcnhrWR3Q== Date: Mon, 23 Mar 2020 09:24:36 +0000 Message-ID: <20200323092430.1466234-7-tudor.ambarus@microchip.com> References: <20200323092430.1466234-1-tudor.ambarus@microchip.com> In-Reply-To: <20200323092430.1466234-1-tudor.ambarus@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Tudor.Ambarus@microchip.com; x-originating-ip: [94.177.32.156] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 3fa25c6d-bbcc-4b89-cec3-08d7cf0c013f x-ms-traffictypediagnostic: BY5PR11MB4449: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-bypassexternaltag: True x-ms-oob-tlc-oobclassifiers: OLM:7691; x-forefront-prvs: 0351D213B3 x-forefront-antispam-report: SFV:NSPM; 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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: linux-mtd@lists.infradead.org, Tudor.Ambarus@microchip.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 From: Jungseung Lee Some Micron models are known to have lock/unlock support, and that also support 4bit block protection (BP0-3). This patch support lock/unlock feature on the flashes. Tested on n25q512ax3. The other is modified following the datasheet. Signed-off-by: Jungseung Lee Signed-off-by: Tudor Ambarus --- drivers/mtd/spi-nor/micron-st.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c index 3874a62d8b47..6c034b9718e2 100644 --- a/drivers/mtd/spi-nor/micron-st.c +++ b/drivers/mtd/spi-nor/micron-st.c @@ -47,12 +47,16 @@ static const struct flash_info st_parts[] = { SECT_4K | USE_FSR | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) }, { "n25q512ax3", INFO(0x20ba20, 0, 64 * 1024, 1024, - SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) }, + SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | + SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | + SPI_NOR_4BIT_BP | SPI_NOR_BP3_SR_BIT6) }, { "mt25qu512a", INFO6(0x20bb20, 0x104400, 64 * 1024, 1024, SECT_4K | USE_FSR | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) }, { "n25q512a", INFO(0x20bb20, 0, 64 * 1024, 1024, - SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) }, + SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | + SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | + SPI_NOR_4BIT_BP | SPI_NOR_BP3_SR_BIT6) }, { "n25q00", INFO(0x20ba21, 0, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) }, -- 2.23.0 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/