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45 lines
1.9 KiB
Diff
45 lines
1.9 KiB
Diff
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From a4f9dd55c5e1bb951db6f1dee20e62e0103f3438 Mon Sep 17 00:00:00 2001
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From: Chuanhong Guo <gch981213@gmail.com>
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Date: Sun, 20 Mar 2022 17:59:57 +0800
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Subject: [PATCH 1/5] mtd: spinand: gigadevice: fix Quad IO for GD5F1GQ5UExxG
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Read From Cache Quad IO (EBH) uses 2 dummy bytes on this chip according
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to page 23 of the datasheet[0].
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[0]: https://www.gigadevice.com/datasheet/gd5f1gq5xexxg/
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Fixes: 469b99248985 ("mtd: spinand: gigadevice: Support GD5F1GQ5UExxG")
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Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
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Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Link: https://lore.kernel.org/linux-mtd/20220320100001.247905-2-gch981213@gmail.com
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---
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drivers/mtd/nand/spi/gigadevice.c | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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--- a/drivers/mtd/nand/spi/gigadevice.c
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+++ b/drivers/mtd/nand/spi/gigadevice.c
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@@ -39,6 +39,14 @@ static SPINAND_OP_VARIANTS(read_cache_va
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SPINAND_PAGE_READ_FROM_CACHE_OP_3A(true, 0, 1, NULL, 0),
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SPINAND_PAGE_READ_FROM_CACHE_OP_3A(false, 0, 0, NULL, 0));
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+static SPINAND_OP_VARIANTS(read_cache_variants_1gq5,
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+ SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
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+ SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
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+ SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
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+ SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
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+ SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
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+ SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
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+
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static SPINAND_OP_VARIANTS(write_cache_variants,
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SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
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SPINAND_PROG_LOAD(true, 0, NULL, 0));
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@@ -339,7 +347,7 @@ static const struct spinand_info gigadev
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SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x51),
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NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
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NAND_ECCREQ(4, 512),
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- SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
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+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants_1gq5,
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&write_cache_variants,
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&update_cache_variants),
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SPINAND_HAS_QE_BIT,
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