Revert "generic: 5.4: Add 4B_OPCODES flag to w25q256"
This reverts commit d7f21940bc
.
Winbond W25Q256FV and W25Q256JV both uses 0xef4019 as JEDEC ID,
but only the latter has proper 4B_OPCODES support.
W25Q256FV has all 4B read instructions but it lacks a 4B page program
instruction, causing the entire flash to be read-only.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
master
parent
d24e43a7f6
commit
f0f35fdac1
@ -1,27 +0,0 @@
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From 10050a02f7d508fa88f70fcfceefbacd13488ca7 Mon Sep 17 00:00:00 2001
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From: Robert Marko <robimarko@gmail.com>
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Date: Mon, 23 Dec 2019 17:05:49 +0200
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Subject: [PATCH] mtd: spi-nor: Add 4B_OPCODES flag to w25q256
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The w25q256 supports 4-byte opcodes so lets add the flag.
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Tested on OpenWrt under 4.19.82 kernel on 8devices Habanero.
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Signed-off-by: Robert Marko <robimarko@gmail.com>
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Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
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---
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drivers/mtd/spi-nor/spi-nor.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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--- a/drivers/mtd/spi-nor/spi-nor.c
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+++ b/drivers/mtd/spi-nor/spi-nor.c
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@@ -2480,7 +2480,9 @@ static const struct flash_info spi_nor_i
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{ "w25q80", INFO(0xef5014, 0, 64 * 1024, 16, SECT_4K) },
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{ "w25q80bl", INFO(0xef4014, 0, 64 * 1024, 16, SECT_4K) },
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{ "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },
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- { "w25q256", INFO(0xef4019, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
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+ { "w25q256", INFO(0xef4019, 0, 64 * 1024, 512,
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+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
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+ SPI_NOR_4B_OPCODES) },
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{ "w25q256jvm", INFO(0xef7019, 0, 64 * 1024, 512,
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SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
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{ "w25m512jv", INFO(0xef7119, 0, 64 * 1024, 1024,
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