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mtd: spinand: esmt: Support new device F50L2G41KA

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Change-Id: I12c40bfdd3fced2543723c03ec1291af6c3c178d
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
This commit is contained in:
Jon Lin
2023-08-09 18:34:36 +08:00
committed by Tao Huang
parent cf0f63fbfc
commit cb0b9bc78c
1 changed files with 65 additions and 2 deletions
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67
drivers/mtd/nand/spi/esmt.c
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@@ -29,7 +29,7 @@ static SPINAND_OP_VARIANTS(update_cache_variants,
SPINAND_PROG_LOAD(false, 0, NULL, 0));
static int f50lxx41x_ooblayout_ecc(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
struct mtd_oob_region *region)
{
if (section > 3)
return -ERANGE;
@@ -41,7 +41,7 @@ static int f50lxx41x_ooblayout_ecc(struct mtd_info *mtd, int section,
}
static int f50lxx41x_ooblayout_free(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
struct mtd_oob_region *region)
{
if (section > 3)
return -ERANGE;
@@ -57,6 +57,60 @@ static const struct mtd_ooblayout_ops f50lxx41x_ooblayout = {
.free = f50lxx41x_ooblayout_free,
};
static int f50l2g41ka_ooblayout_ecc(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
if (section)
return -ERANGE;
region->offset = mtd->oobsize / 2;
region->length = mtd->oobsize / 2;
return 0;
}
static int f50l2g41ka_ooblayout_free(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
if (section)
return -ERANGE;
region->offset = 2;
region->length = mtd->oobsize / 2 - 2;
return 0;
}
static const struct mtd_ooblayout_ops f50l2g41ka_ooblayout = {
.ecc = f50l2g41ka_ooblayout_ecc,
.free = f50l2g41ka_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 f50l2g41ka_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 esmt_spinand_table[] = {
SPINAND_INFO("F50L1G41LB",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x01),
@@ -67,6 +121,15 @@ static const struct spinand_info esmt_spinand_table[] = {
&update_cache_variants),
0,
SPINAND_ECCINFO(&f50lxx41x_ooblayout, NULL)),
SPINAND_INFO("F50L2G41KA",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x41, 0x7F),
NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1),
NAND_ECCREQ(8, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
0,
SPINAND_ECCINFO(&f50l2g41ka_ooblayout, f50l2g41ka_ecc_ecc_get_status)),
};
static const struct spinand_manufacturer_ops esmt_spinand_manuf_ops = {