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mtd: spinand: fmsh: Support new device FM25S01BI3

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Change-Id: I8fdd0bdc4913c31031f2298f206ee6a6025031e1
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
This commit is contained in:
Jon Lin
2023-06-29 11:49:44 +08:00
committed by Tao Huang
parent c931cf5e00
commit 1f6698fe5d
1 changed files with 34 additions and 0 deletions
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34
drivers/mtd/nand/spi/fmsh.c
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@@ -80,6 +80,31 @@ static const struct mtd_ooblayout_ops fm25s01_ooblayout = {
.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),
@@ -117,6 +142,15 @@ static const struct spinand_info fmsh_spinand_table[] = {
&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 = {