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mtd: spinand: fmsh: Support new device FM25G02D

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Change-Id: I3a0d5c609f7cc01ce48f734ae58f20c4112828eb
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
This commit is contained in:
Jon Lin
2024-08-21 11:41:58 +08:00
committed by Tao Huang
parent 271daa3721
commit 55568a9c75
1 changed files with 64 additions and 0 deletions
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64
drivers/mtd/nand/spi/fmsh.c
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@@ -105,6 +105,61 @@ static int fm25s01bi3_ecc_ecc_get_status(struct spinand_device *spinand,
return -EBADMSG;
}
static int fm25g0xd_ooblayout_ecc(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
if (section)
return -ERANGE;
region->offset = 64;
region->length = 64;
return 0;
}
static int fm25g0xd_ooblayout_free(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
if (section)
return -ERANGE;
/* Reserve 2 bytes for the BBM. */
region->offset = 2;
region->length = 62;
return 0;
}
static const struct mtd_ooblayout_ops fm25g0xd_ooblayout = {
.ecc = fm25g0xd_ooblayout_ecc,
.free = fm25g0xd_ooblayout_free,
};
/*
* ecc bits: 0xC0[4,6]
* [0x0], No bit errors were detected;
* [0x001, 0x011], Bit errors were detected and corrected. Not
* reach Flipping Bits;
* [0x100], Bit error count equals the bit flip
* detectionthreshold
* [0x101, 0x110], Reserved;
* [0x111], Multiple bit errors were detected and
* not corrected.
*/
static int fm25g0xd_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 <= 3)
return 0;
else if (eccsr == 4)
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),
@@ -160,6 +215,15 @@ static const struct spinand_info fmsh_spinand_table[] = {
&update_cache_variants),
SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&fm25s01_ooblayout, fm25s01bi3_ecc_ecc_get_status)),
SPINAND_INFO("FM25G02D",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xF2),
NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1),
NAND_ECCREQ(4, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&fm25g0xd_ooblayout, fm25g0xd_ecc_get_status)),
};
static const struct spinand_manufacturer_ops fmsh_spinand_manuf_ops = {