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| author | Chuanhong Guo <gch981213@gmail.com> | 2022-04-09 20:22:36 +0800 |
|---|---|---|
| committer | Chuanhong Guo <gch981213@gmail.com> | 2022-04-09 21:04:40 +0800 |
| commit | 42186888f57acd1815873caf3f9ea382210cc5d4 (patch) | |
| tree | 63338874655775156908731976dbbf6e5da6f542 /target/linux/generic/backport-5.15/420-v5.19-01-mtd-spinand-gigadevice-fix-Quad-IO-for-GD5F1GQ5UExxG.patch | |
| parent | 0392644083968a73db95c6a948f9225c1f4b1026 (diff) | |
| download | upstream-42186888f57acd1815873caf3f9ea382210cc5d4.tar.gz upstream-42186888f57acd1815873caf3f9ea382210cc5d4.tar.bz2 upstream-42186888f57acd1815873caf3f9ea382210cc5d4.zip | |
kernel: v5.15: backport GigaDevice SPI-NAND supports
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Diffstat (limited to 'target/linux/generic/backport-5.15/420-v5.19-01-mtd-spinand-gigadevice-fix-Quad-IO-for-GD5F1GQ5UExxG.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/420-v5.19-01-mtd-spinand-gigadevice-fix-Quad-IO-for-GD5F1GQ5UExxG.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/420-v5.19-01-mtd-spinand-gigadevice-fix-Quad-IO-for-GD5F1GQ5UExxG.patch b/target/linux/generic/backport-5.15/420-v5.19-01-mtd-spinand-gigadevice-fix-Quad-IO-for-GD5F1GQ5UExxG.patch new file mode 100644 index 0000000000..5d845c78cf --- /dev/null +++ b/target/linux/generic/backport-5.15/420-v5.19-01-mtd-spinand-gigadevice-fix-Quad-IO-for-GD5F1GQ5UExxG.patch @@ -0,0 +1,49 @@ +From a4f9dd55c5e1bb951db6f1dee20e62e0103f3438 Mon Sep 17 00:00:00 2001 +From: Chuanhong Guo <gch981213@gmail.com> +Date: Sun, 20 Mar 2022 17:59:57 +0800 +Subject: [PATCH 1/5] mtd: spinand: gigadevice: fix Quad IO for GD5F1GQ5UExxG + +Read From Cache Quad IO (EBH) uses 2 dummy bytes on this chip according +to page 23 of the datasheet[0]. + +[0]: https://www.gigadevice.com/datasheet/gd5f1gq5xexxg/ + +Fixes: 469b99248985 ("mtd: spinand: gigadevice: Support GD5F1GQ5UExxG") +Signed-off-by: Chuanhong Guo <gch981213@gmail.com> +Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> +Link: https://lore.kernel.org/linux-mtd/20220320100001.247905-2-gch981213@gmail.com +--- + drivers/mtd/nand/spi/gigadevice.c | 10 +++++++++- + 1 file changed, 9 insertions(+), 1 deletion(-) + +diff --git a/drivers/mtd/nand/spi/gigadevice.c b/drivers/mtd/nand/spi/gigadevice.c +index 1dd1c5898093..da77ab20296e 100644 +--- a/drivers/mtd/nand/spi/gigadevice.c ++++ b/drivers/mtd/nand/spi/gigadevice.c +@@ -39,6 +39,14 @@ static SPINAND_OP_VARIANTS(read_cache_variants_f, + SPINAND_PAGE_READ_FROM_CACHE_OP_3A(true, 0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_OP_3A(false, 0, 0, NULL, 0)); + ++static SPINAND_OP_VARIANTS(read_cache_variants_1gq5, ++ SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0), ++ SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), ++ SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0), ++ SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), ++ SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0), ++ SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0)); ++ + static SPINAND_OP_VARIANTS(write_cache_variants, + SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), + SPINAND_PROG_LOAD(true, 0, NULL, 0)); +@@ -339,7 +347,7 @@ static const struct spinand_info gigadevice_spinand_table[] = { + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x51), + NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1), + NAND_ECCREQ(4, 512), +- SPINAND_INFO_OP_VARIANTS(&read_cache_variants, ++ SPINAND_INFO_OP_VARIANTS(&read_cache_variants_1gq5, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, +-- +2.35.1 + |