diff options
| -rw-r--r-- | drivers/mtd/spi-nor/winbond.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c index e065e4fd42a3..9f7ce5763e71 100644 --- a/drivers/mtd/spi-nor/winbond.c +++ b/drivers/mtd/spi-nor/winbond.c @@ -18,6 +18,31 @@ SPI_MEM_OP_DATA_OUT(1, buf, 0)) static int +w25q128_post_bfpt_fixups(struct spi_nor *nor, + const struct sfdp_parameter_header *bfpt_header, + const struct sfdp_bfpt *bfpt) +{ + /* + * Zetta ZD25Q128C is a clone of the Winbond device. But the encoded + * size is really wrong. It seems that they confused Mbit with MiB. + * Thus the flash is discovered as a 2MiB device. + */ + if (bfpt_header->major == SFDP_JESD216_MAJOR && + bfpt_header->minor == SFDP_JESD216_MINOR && + nor->params->size == SZ_2M && + nor->params->erase_map.regions[0].size == SZ_2M) { + nor->params->size = SZ_16M; + nor->params->erase_map.regions[0].size = SZ_16M; + } + + return 0; +} + +static const struct spi_nor_fixups w25q128_fixups = { + .post_bfpt = w25q128_post_bfpt_fixups, +}; + +static int w25q256_post_bfpt_fixups(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, const struct sfdp_bfpt *bfpt) @@ -108,6 +133,7 @@ static const struct flash_info winbond_nor_parts[] = { .size = SZ_16M, .flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB, .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ, + .fixups = &w25q128_fixups, }, { .id = SNOR_ID(0xef, 0x40, 0x19), .name = "w25q256", |