From: Takahiro Kuwano Takahiro.Kuwano@infineon.com
The S25FL256L is 32MB NOR Flash that does not support Bank Address Register. This fixup is activated if CONFIG_SPI_FLASH_BAR is enabled and returns ENOTSUPP in setup() hook to avoid further ops.
Signed-off-by: Takahiro Kuwano Takahiro.Kuwano@infineon.com --- drivers/mtd/spi/spi-nor-core.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c index d5d905fa5a..4940b35682 100644 --- a/drivers/mtd/spi/spi-nor-core.c +++ b/drivers/mtd/spi/spi-nor-core.c @@ -3222,6 +3222,23 @@ static struct spi_nor_fixups s25hx_t_fixups = { .post_bfpt = s25hx_t_post_bfpt_fixup, .post_sfdp = s25hx_t_post_sfdp_fixup, }; + +#ifdef CONFIG_SPI_FLASH_BAR +static int s25fl256l_setup(struct spi_nor *nor, const struct flash_info *info, + const struct spi_nor_flash_parameter *params) +{ + return -ENOTSUPP; /* Bank Address Register is not supported */ +} + +static void s25fl256l_default_init(struct spi_nor *nor) +{ + nor->setup = s25fl256l_setup; +} + +static struct spi_nor_fixups s25fl256l_fixups = { + .default_init = s25fl256l_default_init, +}; +#endif #endif
#ifdef CONFIG_SPI_FLASH_S28HS512T @@ -3644,6 +3661,10 @@ void spi_nor_set_fixups(struct spi_nor *nor) break; } } +#ifdef CONFIG_SPI_FLASH_BAR + if (!strcmp(nor->info->name, "s25fl256l")) + nor->fixups = &s25fl256l_fixups; +#endif #endif
#ifdef CONFIG_SPI_FLASH_S28HS512T