Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Eliav Farber <farbere@amazon.com>
To:     <tudor.ambarus@microchip.com>, <pratyush@kernel.org>,
        <michael@walle.cc>, <miquel.raynal@bootlin.com>, <richard@nod.at>,
        <vigneshr@ti.com>, <linux-mtd@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>
CC:     <talel@amazon.com>, <jonnyc@amazon.com>, <hhhawa@amazon.com>,
        <hanochu@amazon.com>, <farbere@amazon.com>, <itamark@amazon.com>,
        <shellykz@amazon.com>, <amitlavi@amazon.com>, <dkl@amazon.com>
Subject: [PATCH] mtd: spi-nor: micron-st: Enable locking for n25q256ax1
Date:   Tue, 18 Oct 2022 07:22:54 +0000
Message-ID: <20221018072254.21606-1-farbere@amazon.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
Precedence: bulk

n25q256ax1 [1] uses the 4 bit Block Protection scheme and supports
Top/Bottom protection via the BP and TB bits of the Status Register.
BP3 is located in bit 6 of the Status Register.
Tested on n25q256ax1.

[1] https://www.micron.com/-/media/client/global/documents/products/data-sheet/nor-flash/serial-nor/n25q/n25q_256mb_3v.pdf

Signed-off-by: Eliav Farber <farbere@amazon.com>
---
 drivers/mtd/spi-nor/micron-st.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c
index 3c9681a3f7a3..7cf5fbb28f99 100644
--- a/drivers/mtd/spi-nor/micron-st.c
+++ b/drivers/mtd/spi-nor/micron-st.c
@@ -206,6 +206,8 @@ static const struct flash_info st_nor_parts[] = {
 		MFR_FLAGS(USE_FSR)
 	},
 	{ "n25q256ax1",  INFO(0x20bb19, 0, 64 * 1024,  512)
+		FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_4BIT_BP |
+		      SPI_NOR_BP3_SR_BIT6)
 		NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ)
 		MFR_FLAGS(USE_FSR)
 	},
-- 
2.37.1