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Thu, 1 Aug 2019 11:05:23 +0900 (KST) Received: from localhost.localdomain (unknown [10.88.100.192]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20190801020523epsmtip2e3d5c29db543dd912b4dffd97e40481f~2qkKJnPan0654406544epsmtip2N; Thu, 1 Aug 2019 02:05:23 +0000 (GMT) From: Jungseung Lee To: Marek Vasut , Tudor Ambarus , David Woodhouse , Brian Norris , Boris Brezillon , Richard Weinberger , u.kleine-koenig@pengutronix.de, linux-mtd@lists.infradead.org, js07.lee@gmail.com, js07.lee@samsung.com Subject: [PATCH v3 4/4] mtd: spi-nor: support lock/unlock for a few Micron chips Date: Sat, 13 Jul 2019 16:15:41 +0900 Message-Id: <20190713071541.22090-4-js07.lee@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190713071541.22090-1-js07.lee@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA02SbUhTYRTHe3b3ctVmt2V5GFR2oSjB3Jybd6K1ctQl+yBFEcFYN72otN2t ezfLSlKTlaXZMDPUosheVCyxELWMMsWgrAyCJHvB6L2NVAxpGW3eSX37n/P8/uccznNwTBWQ qfF8zsXyHGMj5ZHSjgerEhPe0+stmrqaJKqlrBZRfc9aMcrbVI1R0w1+CTU6HJBRt0uvKKj+ O28wqrrrO6LGGk3UK281MkXSXXWvFfTNa/F0e3O5nL7ZeJgembqM6OHze+mqaQ198lYzysJ3 2tLyWCaH5eNYLtuRk8/lppOZW60ZVr1Bo03QGqkUMo5j7Gw6ad6clbAh3xYckIwrYGzuYCqL EQQycU0a73C72Lg8h+BKJ1lnjs2p1ThXC4xdcHO5q7Md9lStRpOkD5K7bHlPa09jztbo/deO lsqK0UjUcRSBA5EMbePt0uMoElcRnQhe+uoVYjCO4HnJJ5kY/ERQU3kZzVruN06ELT0Iyn2D EjGYQNDnn1CEKDkRDy8D7TP2GOKzBHx362WhhwXEFhg58QsLaSmxHMreNklCWkkYoaXqcbjF UmhpuzfDRBCpMHjWj4UKAdEpB+/oFYUImeFI4EzYsAC+DtwK59Uw4e+Ri1qAriavQjSXIRi9 2hiGdOD3tQar4jhGrIIb3Yliehl0Bc7N1MSIaPBPVshCCBBKOOZRiQgJ39+VSUUN8Ox9pUzU NPR5JsP7qgyu5c6k4hRaXPevwwWEmtEi1inYc1lB69T9/1HtaObw4lM6UduTzb2IwBE5V/mw fJ1FJWMKhEJ7LwIcI2OUl2LXWlTKHKbwAMs7rLzbxgq9SB9cpRdTL8x2BM+Yc1m1+iSdTkcl G1IMeh0Zq7w4RVlURC7jYvewrJPlZ30SPEJdjDaa6io8iabMP+b9mzoUFaUWcwP3bszQPbCF NK70FBwbcy2GderYrYYVh1Klg1nbY5aoSvZlFv3ufcH1SKO/fOM9H4Zu8GdTdzzcnTQPDfvw bRlD94ihR9Yid7LJeL/4xZyjH6VRQ59/9Ju3z09ZYpnK3of/WB65KPn6Qag3vjKTUiGP0cZj vMD8BTRqGv+OAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrILMWRmVeSWpSXmKPExsWy7bCSvO5jD6dYg+/zJC1Wt0xntDhyYS2z xcSVk5kt/s55x2Tx6OZvVovdTcvYLY7uucdsMXnnG0aLj0scLG5PnMzowOWxc9Zddo/NK7Q8 Nq3qZPPYvKTe486PpYweN+cVevT/NfDo27KKMYAjissmJTUnsyy1SN8ugSvj/PQpzAVr+SpW tDexNjDe4e5i5OSQEDCROLjkM0sXIxeHkMBuRoktHUfZIRISEo92fgFKcADZwhKHDxdD1Hxk lOjobmEDqWET0JK48XsTK0hCROADk8TlSafAGoQFAiQ+NkeB1LAIqEq03F/JBGLzClhKrO4/ wwgxX15i9YYDzCA2p4CVxNkZ78BsIaCae31drBMYeRcwMqxilEwtKM5Nzy02LDDMSy3XK07M LS7NS9dLzs/dxAgOSC3NHYyXl8QfYhTgYFTi4VXocYwVYk0sK67MPcQowcGsJMK7WNw+Vog3 JbGyKrUoP76oNCe1+BCjNAeLkjjv07xjkUIC6YklqdmpqQWpRTBZJg5OqQbGljxDjtSlIfka j2sXNYXPucooyyH4qfjsMc+Dx+Qd1Iqyt/J1Xs+Vl5gYr5I/denT06J/br49X3ygc2bn2vaF h88J9/RUJX8IjV74Z97RtOuf2G8aMYqsOvxm4/sop8l6r7fk9z5duf2QcMK9jMTHnqdu3pB6 sOlhjfget7/bDBgXRCccv5xwTomlOCPRUIu5qDgRABOtSspEAgAA X-CMS-MailID: 20190801020523epcas1p27580bead294a67fccea6fe8615e73da9 X-Msg-Generator: CA X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20190801020523epcas1p27580bead294a67fccea6fe8615e73da9 References: <20190713071541.22090-1-js07.lee@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190731_190528_453097_EA00D6EB X-CRM114-Status: GOOD ( 18.05 ) 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 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 --- 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 0d0b92de62db..8422f30c73f2 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -1922,8 +1922,16 @@ 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) }, -- 2.17.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/