[PATCH v6 1/7] mtd: spi-nor-ids: Correct flash flags for ESMT/EON flashes

Takahiro.Kuwano at infineon.com Takahiro.Kuwano at infineon.com
Fri Jul 3 11:03:31 CEST 2026


Hi,

> All currently supported ESMT/EON flashes supports 4KB sector and dual read.
> EN25Q80B also supports 1-1-4 quad read.
> 
> Link: https://www.esmt.com.tw/upload/pdf/ESMT/datasheets/EN25Q80B.pdf
> Link: https://www.esmt.com.tw/upload/pdf/ESMT/datasheets/EN25QH128A%20(2TC).pdf
> Link: https://www.esmt.com.tw/upload/pdf/ESMT/datasheets/EN25S64A(2SC).pdf
> Signed-off-by: Weijie Gao <weijie.gao at mediatek.com>
> ---
> v6: removed SPI_NOR_QUAD_READ from incompatible flashes
> v5: not changed
> v3-v4: updated commit message
> v2: not changed
> ---
>  drivers/mtd/spi/spi-nor-ids.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/mtd/spi/spi-nor-ids.c b/drivers/mtd/spi/spi-nor-ids.c
> index c0fa98424aa..0dacb4abdbc 100644
> --- a/drivers/mtd/spi/spi-nor-ids.c
> +++ b/drivers/mtd/spi/spi-nor-ids.c
> @@ -90,12 +90,12 @@ const struct flash_info spi_nor_ids[] = {
>  #endif
>  #ifdef CONFIG_SPI_FLASH_EON            /* EON */
>         /* EON -- en25xxx */
> -       { INFO("en25q80b",   0x1c3014, 0, 64 * 1024,   16, SECT_4K) },
> -       { INFO("en25q32b",   0x1c3016, 0, 64 * 1024,   64, 0) },
> -       { INFO("en25q64",    0x1c3017, 0, 64 * 1024,  128, SECT_4K) },
> -       { INFO("en25q128b",  0x1c3018, 0, 64 * 1024,  256, 0) },
> -       { INFO("en25qh128",  0x1c7018, 0, 64 * 1024,  256, 0) },
> -       { INFO("en25s64",    0x1c3817, 0, 64 * 1024,  128, SECT_4K) },
> +       { INFO("en25q80b",   0x1c3014, 0, 64 * 1024,   16, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
> +       { INFO("en25q32b",   0x1c3016, 0, 64 * 1024,   64, SECT_4K | SPI_NOR_DUAL_READ) },
> +       { INFO("en25q64",    0x1c3017, 0, 64 * 1024,  128, SECT_4K | SPI_NOR_DUAL_READ) },
> +       { INFO("en25q128b",  0x1c3018, 0, 64 * 1024,  256, SECT_4K | SPI_NOR_DUAL_READ) },
> +       { INFO("en25qh128",  0x1c7018, 0, 64 * 1024,  256, SECT_4K | SPI_NOR_DUAL_READ) },
> +       { INFO("en25s64",    0x1c3817, 0, 64 * 1024,  128, SECT_4K | SPI_NOR_DUAL_READ) },

In our discussion in previous revision [1], only en25qh128 supports 1-1-4
read and program, but you set QUAD_READ flag in en25q80b instead. Please fix.

Thanks,
Takahiro

[1]
https://patchwork.ozlabs.org/project/uboot/patch/64ce1a920dc067717de2b39d2e7a5098e6853aab.1781164951.git.weijie.gao@mediatek.com/



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