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CONFIG_MTD_M25P80: Support for M25 SPI Flash

General informations

The Linux kernel configuration item CONFIG_MTD_M25P80 has multiple definitions:

Support for M25 SPI Flash found in drivers/mtd/devices/Kconfig

The configuration item CONFIG_MTD_M25P80:

Help text

This enables access to ST M25P80 and similar SPI flash chips, used for program and data storage. Set up your spi devices with the right board-specific platform data.

Support most SPI Flash chips (AT26DF, M25P, W25X, ...) found in drivers/mtd/devices/Kconfig

The configuration item CONFIG_MTD_M25P80:

Help text

This enables access to most modern SPI flash chips, used for program and data storage. Series supported include Atmel AT26DF, Spansion S25SL, SST 25VF, ST M25P, and Winbond W25X. Other chips are supported as well. See the driver source for the current list, or to add other chips.

Note that the original DataFlash chips (AT45 series, not AT26DF), need an entirely different driver.

Set up your spi devices with the right board-specific platform data, if you want to specify device partitioning or to use a device which doesn't support the JEDEC ID instruction.

Hardware

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