diff options
| -rw-r--r-- | drivers/mtd/spi-nor/spansion.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c index 88183eba8ac1..0d4080ef0e44 100644 --- a/drivers/mtd/spi-nor/spansion.c +++ b/drivers/mtd/spi-nor/spansion.c @@ -8,6 +8,27 @@ #include "core.h" +static int +s25fs_s_post_bfpt_fixups(struct spi_nor *nor, + const struct sfdp_parameter_header *bfpt_header, + const struct sfdp_bfpt *bfpt, + struct spi_nor_flash_parameter *params) +{ + /* + * The S25FS-S chip family reports 512-byte pages in BFPT but + * in reality the write buffer still wraps at the safe default + * of 256 bytes. Overwrite the page size advertised by BFPT + * to get the writes working. + */ + params->page_size = 256; + + return 0; +} + +static struct spi_nor_fixups s25fs_s_fixups = { + .post_bfpt = s25fs_s_post_bfpt_fixups, +}; + static const struct flash_info spansion_parts[] = { /* Spansion/Cypress -- single (large) sector size only, at least * for the chips listed here (without boot sectors). @@ -32,8 +53,8 @@ static const struct flash_info spansion_parts[] = { SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_HAS_LOCK | USE_CLSR) }, { "s25fs512s", INFO6(0x010220, 0x4d0081, 256 * 1024, 256, - SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | - USE_CLSR) }, + SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | USE_CLSR) + .fixups = &s25fs_s_fixups, }, { "s70fl01gs", INFO(0x010221, 0x4d00, 256 * 1024, 256, 0) }, { "s25sl12800", INFO(0x012018, 0x0300, 256 * 1024, 64, 0) }, { "s25sl12801", INFO(0x012018, 0x0301, 64 * 1024, 256, 0) }, |