Re: [PATCH v2 1/2] mtd: spi-nor: Add support for EN25Q80A

From: Tudor.Ambarus
Date: Wed Feb 20 2019 - 15:44:38 EST




On 02/18/2019 02:04 PM, Schrempf Frieder wrote:
> From: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>
>
> This adds support for the EON EN25Q80A, a 8Mb SPI NOR chip.
> It is used on i.MX6 boards by Kontron Electronics GmbH
> (N60xx, N61xx).
> It was only tested with a single data line connected, by writing and
> reading random data with dd.
>
> Signed-off-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>

Reviewed-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx>

> ---
> Changes in v2:
> ==============
> * Add information about boards using the chip and testing to the commit
> message
> * Remove SPI_NOR_QUAD_READ as the chip does not support 1_1_4 read
> command (0x6b)
> * Move the entry after en25q64 for alphabetical order
> ---
> drivers/mtd/spi-nor/spi-nor.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
> index 6e13bbd1aaa5..7d7436facc57 100644
> --- a/drivers/mtd/spi-nor/spi-nor.c
> +++ b/drivers/mtd/spi-nor/spi-nor.c
> @@ -1740,6 +1740,8 @@ static const struct flash_info spi_nor_ids[] = {
> { "en25q32b", INFO(0x1c3016, 0, 64 * 1024, 64, 0) },
> { "en25p64", INFO(0x1c2017, 0, 64 * 1024, 128, 0) },
> { "en25q64", INFO(0x1c3017, 0, 64 * 1024, 128, SECT_4K) },
> + { "en25q80a", INFO(0x1c3014, 0, 64 * 1024, 16,
> + SECT_4K | SPI_NOR_DUAL_READ) },
> { "en25qh32", INFO(0x1c7016, 0, 64 * 1024, 64, 0) },
> { "en25qh128", INFO(0x1c7018, 0, 64 * 1024, 256, 0) },
> { "en25qh256", INFO(0x1c7019, 0, 64 * 1024, 512, 0) },
>