Am 06.06.25 um 09:21 schrieb Christian Marangi: > Add Winbond W25N04KV flash support that use a different value to detect > ECC bitflip. > > Signed-off-by: Christian Marangi <ansuels...@gmail.com>
For information: this will be covered by Mikhail's patchset here: https://patchwork.ozlabs.org/project/uboot/cover/20250818100614.432931-1-mikhail.kshevets...@iopsys.eu/ And for the future, please provide a changelog when you send mulitple versions of the same patch. Thanks! > --- > 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)
