Add Winbond W25N04KV flash support that use a different value to detect
ECC bitflip.
Signed-off-by: Christian Marangi <ansuels...@gmail.com>
---
drivers/mtd/nand/spi/winbond.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c
index dd4ed257a83..16abf89dbbf 100644
--- a/drivers/mtd/nand/spi/winbond.c
+++ b/drivers/mtd/nand/spi/winbond.c
@@ -11,6 +11,7 @@
#include <linux/device.h>
#include <linux/kernel.h>
#endif
+#include <linux/bitfield.h>
#include <linux/bug.h>
#include <linux/mtd/spinand.h>
@@ -18,6 +19,8 @@
#define WINBOND_CFG_BUF_READ BIT(3)
+#define W25N04KV_STATUS_ECC_5_8_BITFLIPS FIELD_PREP_CONST(STATUS_ECC_MASK, 0x3)
+
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),
@@ -121,6 +124,7 @@ 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
@@ -172,6 +176,15 @@ static const struct spinand_info winbond_spinand_table[] =
{
&update_cache_variants),
0,
SPINAND_ECCINFO(&w25n02kv_ooblayout,
w25n02kv_ecc_get_status)),
+ SPINAND_INFO("W25N04KV",
+ 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(&w25n02kv_ooblayout,
w25n02kv_ecc_get_status)),
};
static int winbond_spinand_init(struct spinand_device *spinand)
--
2.48.1
