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Wed, 4 Mar 2020 20:08:35 +0900 (KST) Received: from localhost.localdomain (unknown [10.88.100.192]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20200304110835epsmtip18ec578abef94d3dead724bdc2f5ea853~5FUGSWYx63147331473epsmtip1T; Wed, 4 Mar 2020 11:08:35 +0000 (GMT) From: Jungseung Lee To: Tudor Ambarus , Vignesh Raghavendra , linux-mtd@lists.infradead.org, js07.lee@gmail.com, js07.lee@samsung.com, chenxiang , Michael Walle Subject: [PATCH 3/3] mtd: spi-nor: support lock/unlock for a few Micron chips Date: Wed, 4 Mar 2020 20:08:00 +0900 Message-Id: <20200304110800.20658-3-js07.lee@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200304110800.20658-1-js07.lee@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA02Se0hTYRjG+Xa2nZmtDtPqRbrY6QKal625eTQtw4hTGQlRYNDWyR2ctFs7 W1nR1TXCNJWoPyRFaBkadjFLzUtmiZEZFpEWCamZ4WVU4rCW2Y6nqP9+3/s9z/t8vN8rwxRD kjBZtsXB2i2MiZTOEd9/HKGMVufrdcrhnhiq581rRE1f8Yqogbd+CdV4pgKnxjtv49RXTwo1 0/UFT8HphpI+nB4svYPTdz0n6fdT1xB9obYK0R29dSK6tdklTcf3mJKMLGNg7eGsJdNqyLZk JZPbdupT9RqtUhWtSqDiyXALY2aTyU1p6dGbs02B95DhhxiTM1BKZziOjF2fZLc6HWy40co5 kknWZjDZVEpbDMeYOaclKybTak5UKZVrNQHlPpOx716/xOaen5Pf2C09hYaC81CQDIg46O0s x3lWEPUIfD2peWhOgL8hKCvsEQkXPgTvxox/DYXVQ2JB1IzA+3BYJBwmENxxN806pEQk9Ppr JDyHEl4ELxtTeA4hdkDR+I+ARiYTE6ug/ZOKL8uJBHhV9VEqBCyDG7dbMZ6DiERw5T7G+P5A eKQw8KEb471AbAJvJyPoQ2CkoxYXOAwmvM1/+nDQUFmMC14XgoHrnj8iNXjHq2f7YEQE3HoQ K5SXQ4O/FPGMEfPAO5kvEaLkcM6tECQkjH1wiQUG6B4skAhMg6eKj+XHUIDgyVSRpAgtKfmX UI5QFVrI2jhzFsupbHH//1ENml2xSKoeNb1Ia0OEDJFz5bBFp1NImEPcEXMbAhlGhspDNHqd Qm5gjhxl7Va93WliuTakCQyyGAtbkGkNLKzFoVdp1qrVaipOG6/VqMlF8v6MCJ2CyGIc7AGW tbH2vz6RLCjsFMpI8u3+udFP1fsWpxKDa8RcrHX/zN6L20fj9x1veZAX1d5e+ahu3XS79l6t 21R8IvjqL/8xEW7rm0y9fP/pwZvVHvfPS8/LSnc2t9b0fy6zGG5EFTLnW+y+DXUX01aMTOfu HaXPdrmcJUtHse6t2uTVuzKs3wtyYF7Ls4rDoacLVpJizsioIjE7x/wGap4gEHgDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprPLMWRmVeSWpSXmKPExsWy7bCSnK5xT3ycwdlf0hbXr11htPg75x2T xaObv1ktdjctY7d4e3oDu8XHJQ4W/89+YHdg99g56y67x+O5G9k9Ni+p97jzYymjR9+WVYwe x29sZ/I4sLeFLYA9issmJTUnsyy1SN8ugSvj7taHrAVt/BU9uy+wNTA+5e5i5OSQEDCR6F/7 lKWLkYtDSGA3o8SmI28YIRISEo92fgFKcADZwhKHDxeDhIUEPjJK/FzmBmKzCWhJ3Pi9iRWk V0TgC6PE5c0HWUESwgK+Eg8uXGEH6WURUJU4+swQJMwrYClxadUTNojx8hKrNxxgBrE5Bawk WpoPM0PMt5T4u/Uq8wRG3gWMDKsYJVMLinPTc4sNCwzzUsv1ihNzi0vz0vWS83M3MYKDTUtz B+PlJfGHGAU4GJV4eKU84+KEWBPLiitzDzFKcDArifAKm8bHCfGmJFZWpRblxxeV5qQWH2KU 5mBREud9mncsUkggPbEkNTs1tSC1CCbLxMEp1cDoyxA+w20n75T0+A3z8yoVf55gPNnS/TFC oWh5/W2r7KuRuvfZn+6s0L514m12pf8Zq3Djie9nbg2U7+SvzfONfdIrbv9PJ5khVPx5a+5z pRM+u3KW3TVZmNUz4eOa74cFevqeBrGskPedeiLQkW1awN/NKQUH5DvOzLuf3BV2M+NjcnPl 2aVKLMUZiYZazEXFiQDxAbESMgIAAA== X-CMS-MailID: 20200304110835epcas1p3a9daac6383c7ae2fa57a084d4992d5a9 X-Msg-Generator: CA X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20200304110835epcas1p3a9daac6383c7ae2fa57a084d4992d5a9 References: <20200304110800.20658-1-js07.lee@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200304_030843_736297_E38702E6 X-CRM114-Status: GOOD ( 13.83 ) 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: , MIME-Version: 1.0 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 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 --- drivers/mtd/spi-nor/spi-nor.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 31a2106e529a..e8d1fbe4062f 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -2607,12 +2607,17 @@ static const struct flash_info spi_nor_ids[] = { { "mt25ql512a", INFO6(0x20ba20, 0x104400, 64 * 1024, 1024, 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) }, + { "n25q512ax3", INFO(0x20ba20, 0, 64 * 1024, 1024, + SECT_4K | USE_FSR | SPI_NOR_DUAL_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) }, + { "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_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) }, { "n25q00a", INFO(0x20bb21, 0, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) }, { "mt25ql02g", INFO(0x20ba22, 0, 64 * 1024, 4096, -- 2.17.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/