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From:   Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
To:     Marek Vasut <marek.vasut@gmail.com>, linux-mtd@lists.infradead.org
Cc:     Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>,
        linux-kernel@vger.kernel.org,
        Brian Norris <computersforpeace@gmail.com>,
        Richard Weinberger <richard@nod.at>,
        David Woodhouse <dwmw2@infradead.org>,
        Boris Brezillon <bbrezillon@kernel.org>,
        Tudor Ambarus <tudor.ambarus@microchip.com>
Subject: [PATCH] mtd: spi-nor: enable 4B opcodes for n25q256a
Date:   Fri,  3 May 2019 10:53:26 +0200
Message-Id: <20190503085327.5180-1-simon.k.r.goldschmidt@gmail.com>
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Tested on socfpga cyclone5 where this is required to ensure that the
boot rom can access this flash after warm reboot.

Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
---

 drivers/mtd/spi-nor/spi-nor.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index fae147452..4cdec2cc2 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1874,7 +1874,7 @@ static const struct flash_info spi_nor_ids[] = {
 	{ "n25q064a",    INFO(0x20bb17, 0, 64 * 1024,  128, SECT_4K | SPI_NOR_QUAD_READ) },
 	{ "n25q128a11",  INFO(0x20bb18, 0, 64 * 1024,  256, SECT_4K | SPI_NOR_QUAD_READ) },
 	{ "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) },
+	{ "n25q256a",    INFO(0x20ba19, 0, 64 * 1024,  512, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
 	{ "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) },
-- 
2.20.1