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mtd: spinand: unim: Support new devices

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UM19A1HISW, UM19A0HCSW, UM19A0LCSW, UM19A1LISW

Change-Id: I52542258714cc6fe9d337c69a12f5921be4eae4f
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
This commit is contained in:
Jon Lin 2023-12-21 15:16:29 +08:00 • committed by Tao Huang
commit 63b60130f6
3 changed files with 130 additions and 2 deletions
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1
drivers/mtd/nand/spi/core.c
View file

@ -873,6 +873,7 @@ static const struct spinand_manufacturer *spinand_manufacturers[] = {
&skyhigh_spinand_manufacturer,
&toshiba_spinand_manufacturer,
&unim_spinand_manufacturer,
&unim_zl_spinand_manufacturer,
&winbond_spinand_manufacturer,
&xincun_spinand_manufacturer,
&xtx_spinand_manufacturer,

130
drivers/mtd/nand/spi/unim.c
View file

@ -10,7 +10,8 @@
#include <linux/kernel.h>
#include <linux/mtd/spinand.h>
#define SPINAND_MFR_UNIM 0xA1
#define SPINAND_MFR_UNIM_ZL 0xA1
#define SPINAND_MFR_UNIM 0xB0
static SPINAND_OP_VARIANTS(read_cache_variants,
SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
@ -57,6 +58,59 @@ static const struct mtd_ooblayout_ops tx25g01_ooblayout = {
.free = tx25g01_ooblayout_free,
};
static int um19a0xisw_ooblayout_ecc(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
return -ERANGE;
}
static int um19a0xisw_ooblayout_free(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
if (section)
return -ERANGE;
region->offset = 2;
region->length = 62;
return 0;
}
static const struct mtd_ooblayout_ops um19a0xisw_ooblayout = {
.ecc = um19a0xisw_ooblayout_ecc,
.free = um19a0xisw_ooblayout_free,
};
static int um19a1xisw_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 um19a1xisw_ooblayout_free(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
if (section)
return -ERANGE;
region->offset = 2;
region->length = 62;
return 0;
}
static const struct mtd_ooblayout_ops um19a1xisw_ooblayout = {
.ecc = um19a1xisw_ooblayout_ecc,
.free = um19a1xisw_ooblayout_free,
};
/*
* ecc bits: 0xC0[4,6]
* [0b000], No bit errors were detected;
@ -80,7 +134,32 @@ static int tx25g01_ecc_get_status(struct spinand_device *spinand,
return -EBADMSG;
}
static const struct spinand_info unim_spinand_table[] = {
/*
* 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 um19axxisw_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 unim_zl_spinand_table[] = {
SPINAND_INFO("TX25G01",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xF1),
NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
@ -92,9 +171,56 @@ static const struct spinand_info unim_spinand_table[] = {
SPINAND_ECCINFO(&tx25g01_ooblayout, tx25g01_ecc_get_status)),
};
static const struct spinand_info unim_spinand_table[] = {
SPINAND_INFO("UM19A1HISW",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x24),
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),
SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&um19a1xisw_ooblayout, um19axxisw_ecc_ecc_get_status)),
SPINAND_INFO("UM19A0HCSW",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x14),
NAND_MEMORG(1, 2048, 64, 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(&um19a0xisw_ooblayout, um19axxisw_ecc_ecc_get_status)),
SPINAND_INFO("UM19A0LCSW",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x15),
NAND_MEMORG(1, 2048, 64, 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(&um19a0xisw_ooblayout, um19axxisw_ecc_ecc_get_status)),
SPINAND_INFO("UM19A1LISW",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x25),
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),
SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&um19a1xisw_ooblayout, um19axxisw_ecc_ecc_get_status)),
};
static const struct spinand_manufacturer_ops unim_spinand_manuf_ops = {
};
const struct spinand_manufacturer unim_zl_spinand_manufacturer = {
.id = SPINAND_MFR_UNIM_ZL,
.name = "UNIM_ZL",
.chips = unim_zl_spinand_table,
.nchips = ARRAY_SIZE(unim_zl_spinand_table),
.ops = &unim_spinand_manuf_ops,
};
const struct spinand_manufacturer unim_spinand_manufacturer = {
.id = SPINAND_MFR_UNIM,
.name = "UNIM",

1
include/linux/mtd/spinand.h
View file

@ -256,6 +256,7 @@ extern const struct spinand_manufacturer toshiba_spinand_manufacturer;
extern const struct spinand_manufacturer silicongo_spinand_manufacturer;
extern const struct spinand_manufacturer skyhigh_spinand_manufacturer;
extern const struct spinand_manufacturer unim_spinand_manufacturer;
extern const struct spinand_manufacturer unim_zl_spinand_manufacturer;
extern const struct spinand_manufacturer winbond_spinand_manufacturer;
extern const struct spinand_manufacturer xincun_spinand_manufacturer;
extern const struct spinand_manufacturer xtx_spinand_manufacturer;