[PATCH v3] mtd: spi-nor: Add support for N25Q256A13

Cyrille Pitchen cyrille.pitchen at wedev4u.fr
Tue Mar 7 14:11:22 PST 2017


Hi Nobuhiro,

Le 02/03/2017 à 03:42, Nobuhiro Iwamatsu a écrit :
> Add new Micron N25Q256A (N25Q256A13) 256Mbit NOR Flash in the list
                            ^
You mean N25Q256A11, don't you? Otherwise it's not consistent with the
actual patch!

> of supported devices. This chip has the same structure as the N25Q256A
> but ID and voltage (1V8) to use is different. Therefore, this adds
> N25Q256A13 as n25q256ax1.

  ^
N25Q256A11 as n25q256ax1

> 
> In the future, for new Micron memories we could use the patterns
> "n25q*ax1" for 1V8 and "n25q*ax3" for 3V3 memories.
> 

Sound like a good idea :)
Marek, do you agree with that?

Best regards,

Cyrille

> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.kw at hitachi.com>
> CC: Jagan Teki <jagan at openedev.com>
> CC: Marek Vasut <marek.vasut at gmail.com>
> CC: Cyrille Pitchen <cyrille.pitchen at atmel.com>
> ---
>  drivers/mtd/spi-nor/spi-nor.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
> index 1ae872bfc3ba..2e02991d93aa 100644
> --- a/drivers/mtd/spi-nor/spi-nor.c
> +++ b/drivers/mtd/spi-nor/spi-nor.c
> @@ -1031,6 +1031,7 @@ static const struct flash_info spi_nor_ids[] = {
>  	{ "n25q128a11",  INFO(0x20bb18, 0, 64 * 1024,  256, SECT_4K | SPI_NOR_QUAD_READ) },
>  	{ "n25q128a13",  INFO(0x20ba18, 0, 64 * 1024,  256, SECT_4K | SPI_NOR_QUAD_READ) },
>  	{ "n25q256a",    INFO(0x20ba19, 0, 64 * 1024,  512, SECT_4K | SPI_NOR_QUAD_READ) },
> +	{ "n25q256ax1",  INFO(0x20bb19, 0, 64 * 1024,  512, SECT_4K | SPI_NOR_QUAD_READ) },
>  	{ "n25q512a",    INFO(0x20bb20, 0, 64 * 1024, 1024, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) },
>  	{ "n25q512ax3",  INFO(0x20ba20, 0, 64 * 1024, 1024, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) },
>  	{ "n25q00",      INFO(0x20ba21, 0, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) },
> 




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