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path: root/drivers/mtd/nand/spi/winbond.c
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Diffstat (limited to 'drivers/mtd/nand/spi/winbond.c')
-rw-r--r--drivers/mtd/nand/spi/winbond.c128
1 files changed, 99 insertions, 29 deletions
diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c
index 1a473021cca5..8394a1b1fb0c 100644
--- a/drivers/mtd/nand/spi/winbond.c
+++ b/drivers/mtd/nand/spi/winbond.c
@@ -10,18 +10,39 @@
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/mtd/spinand.h>
+#include <linux/units.h>
#define SPINAND_MFR_WINBOND 0xEF
#define WINBOND_CFG_BUF_READ BIT(3)
+#define W25N04KV_STATUS_ECC_5_8_BITFLIPS (3 << 4)
+
+/*
+ * "X2" in the core is equivalent to "dual output" in the datasheets,
+ * "X4" in the core is equivalent to "quad output" in the datasheets.
+ */
+
+static SPINAND_OP_VARIANTS(read_cache_dtr_variants,
+ SPINAND_PAGE_READ_FROM_CACHE_QUADIO_DTR_OP(0, 8, NULL, 0, 80 * HZ_PER_MHZ),
+ SPINAND_PAGE_READ_FROM_CACHE_X4_DTR_OP(0, 2, NULL, 0, 80 * HZ_PER_MHZ),
+ SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_DUALIO_DTR_OP(0, 4, NULL, 0, 80 * HZ_PER_MHZ),
+ SPINAND_PAGE_READ_FROM_CACHE_X2_DTR_OP(0, 2, NULL, 0, 80 * HZ_PER_MHZ),
+ SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_DTR_OP(0, 2, NULL, 0, 80 * HZ_PER_MHZ),
+ SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0, 54 * HZ_PER_MHZ));
+
static SPINAND_OP_VARIANTS(read_cache_variants,
SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
- SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
- SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
+ SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(write_cache_variants,
SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
@@ -74,6 +95,18 @@ static int w25m02gv_select_target(struct spinand_device *spinand,
return spi_mem_exec_op(spinand->spimem, &op);
}
+static int w25n01kv_ooblayout_ecc(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *region)
+{
+ if (section > 3)
+ return -ERANGE;
+
+ region->offset = 64 + (8 * section);
+ region->length = 7;
+
+ return 0;
+}
+
static int w25n02kv_ooblayout_ecc(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
@@ -98,6 +131,11 @@ static int w25n02kv_ooblayout_free(struct mtd_info *mtd, int section,
return 0;
}
+static const struct mtd_ooblayout_ops w25n01kv_ooblayout = {
+ .ecc = w25n01kv_ooblayout_ecc,
+ .free = w25n02kv_ooblayout_free,
+};
+
static const struct mtd_ooblayout_ops w25n02kv_ooblayout = {
.ecc = w25n02kv_ooblayout_ecc,
.free = w25n02kv_ooblayout_free,
@@ -118,6 +156,7 @@ static int w25n02kv_ecc_get_status(struct spinand_device *spinand,
return -EBADMSG;
case STATUS_ECC_HAS_BITFLIPS:
+ case W25N04KV_STATUS_ECC_5_8_BITFLIPS:
/*
* Let's try to retrieve the real maximum number of bitflips
* in order to avoid forcing the wear-leveling layer to move
@@ -141,17 +180,18 @@ static int w25n02kv_ecc_get_status(struct spinand_device *spinand,
}
static const struct spinand_info winbond_spinand_table[] = {
- SPINAND_INFO("W25M02GV",
- SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xab, 0x21),
- NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 2),
+ /* 512M-bit densities */
+ SPINAND_INFO("W25N512GW", /* 1.8V */
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xba, 0x20),
+ NAND_MEMORG(1, 2048, 64, 64, 512, 10, 1, 1, 1),
NAND_ECCREQ(1, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
0,
- SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL),
- SPINAND_SELECT_TARGET(w25m02gv_select_target)),
- SPINAND_INFO("W25N01GV",
+ SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL)),
+ /* 1G-bit densities */
+ SPINAND_INFO("W25N01GV", /* 3.3V */
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x21),
NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
NAND_ECCREQ(1, 512),
@@ -160,43 +200,63 @@ static const struct spinand_info winbond_spinand_table[] = {
&update_cache_variants),
0,
SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL)),
- SPINAND_INFO("W25N02KV",
- SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
- NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1),
- NAND_ECCREQ(8, 512),
+ SPINAND_INFO("W25N01GW", /* 1.8V */
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xba, 0x21),
+ NAND_MEMORG(1, 2048, 64, 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(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)),
- SPINAND_INFO("W25N01JW",
+ SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL)),
+ SPINAND_INFO("W25N01JW", /* high-speed 1.8V */
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xbc, 0x21),
NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
+ NAND_ECCREQ(1, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_dtr_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ 0,
+ SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL)),
+ SPINAND_INFO("W25N01KV", /* 3.3V */
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xae, 0x21),
+ NAND_MEMORG(1, 2048, 96, 64, 1024, 20, 1, 1, 1),
NAND_ECCREQ(4, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
0,
- SPINAND_ECCINFO(&w25m02gv_ooblayout, w25n02kv_ecc_get_status)),
- SPINAND_INFO("W25N02JWZEIF",
+ SPINAND_ECCINFO(&w25n01kv_ooblayout, w25n02kv_ecc_get_status)),
+ /* 2G-bit densities */
+ SPINAND_INFO("W25M02GV", /* 2x1G-bit 3.3V */
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xab, 0x21),
+ NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 2),
+ NAND_ECCREQ(1, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ 0,
+ SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL),
+ SPINAND_SELECT_TARGET(w25m02gv_select_target)),
+ SPINAND_INFO("W25N02JW", /* high-speed 1.8V */
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xbf, 0x22),
NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 2, 1),
- NAND_ECCREQ(4, 512),
- SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ NAND_ECCREQ(1, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_dtr_variants,
&write_cache_variants,
&update_cache_variants),
0,
- SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)),
- SPINAND_INFO("W25N512GW",
- SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xba, 0x20),
- NAND_MEMORG(1, 2048, 64, 64, 512, 10, 1, 1, 1),
- NAND_ECCREQ(4, 512),
+ SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL)),
+ SPINAND_INFO("W25N02KV", /* 3.3V */
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22),
+ 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(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)),
- SPINAND_INFO("W25N02KWZEIR",
+ SPINAND_INFO("W25N02KW", /* 1.8V */
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xba, 0x22),
NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1),
NAND_ECCREQ(8, 512),
@@ -205,15 +265,25 @@ static const struct spinand_info winbond_spinand_table[] = {
&update_cache_variants),
0,
SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)),
- SPINAND_INFO("W25N01GWZEIG",
- SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xba, 0x21),
- NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
- NAND_ECCREQ(4, 512),
+ /* 4G-bit densities */
+ SPINAND_INFO("W25N04KV", /* 3.3V */
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x23),
+ NAND_MEMORG(1, 2048, 128, 64, 4096, 40, 2, 1, 1),
+ NAND_ECCREQ(8, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
0,
- SPINAND_ECCINFO(&w25m02gv_ooblayout, w25n02kv_ecc_get_status)),
+ SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)),
+ SPINAND_INFO("W25N04KW", /* 1.8V */
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xba, 0x23),
+ NAND_MEMORG(1, 2048, 128, 64, 4096, 40, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ 0,
+ SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)),
};
static int winbond_spinand_init(struct spinand_device *spinand)
generated by cgit (git 2.34.1) at 2025-07-25 20:00:22 +0000