From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/drivers/mtd/nand/spi/fmsh.c | 40 +++++++++++++++++++++++++++++++++++++---
1 files changed, 37 insertions(+), 3 deletions(-)
diff --git a/kernel/drivers/mtd/nand/spi/fmsh.c b/kernel/drivers/mtd/nand/spi/fmsh.c
index 0c5761b..ef4a586 100644
--- a/kernel/drivers/mtd/nand/spi/fmsh.c
+++ b/kernel/drivers/mtd/nand/spi/fmsh.c
@@ -80,6 +80,31 @@
.free = fm25s01_ooblayout_free,
};
+/*
+ * ecc bits: 0xC0[4,6]
+ * [0b000], No bit errors were detected;
+ * [0b001] and [0b011], 1~6 Bit errors were detected and corrected. Not
+ * reach Flipping Bits;
+ * [0b101], Bit error count equals the bit flip
+ * detection threshold
+ * [0b010], Multiple bit errors were detected and
+ * not corrected.
+ * others, Reserved.
+ */
+static int fm25s01bi3_ecc_ecc_get_status(struct spinand_device *spinand,
+ u8 status)
+{
+ struct nand_device *nand = spinand_to_nand(spinand);
+ u8 eccsr = (status & GENMASK(6, 4)) >> 4;
+
+ if (eccsr <= 1 || eccsr == 3)
+ return eccsr;
+ else if (eccsr == 5)
+ return nanddev_get_ecc_requirements(nand)->strength;
+ else
+ return -EBADMSG;
+}
+
static const struct spinand_info fmsh_spinand_table[] = {
SPINAND_INFO("FM25S01A",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xE4),
@@ -97,11 +122,11 @@
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
- 1,
+ SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&fm25s01a_ooblayout, NULL)),
SPINAND_INFO("FM25S01",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xA1),
- NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
+ NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
NAND_ECCREQ(1, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
@@ -110,13 +135,22 @@
SPINAND_ECCINFO(&fm25s01_ooblayout, NULL)),
SPINAND_INFO("FM25LS01",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xA5),
- NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
+ NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
NAND_ECCREQ(1, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
0,
SPINAND_ECCINFO(&fm25s01_ooblayout, NULL)),
+ SPINAND_INFO("FM25S01BI3",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xD4),
+ NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&fm25s01_ooblayout, fm25s01bi3_ecc_ecc_get_status)),
};
static const struct spinand_manufacturer_ops fmsh_spinand_manuf_ops = {
--
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