Unverified Commit 3e85be98 authored by Michael Walle's avatar Michael Walle Committed by Tudor Ambarus
Browse files

mtd: spi-nor: add SNOR_ID() and SNOR_OTP() 



After all the preparation, it is now time to introduce the new macros to
specify flashes in our database: SNOR_ID() and SNOR_OTP(). An flash_info
entry might now look like:
    {
        .id = SNOR_ID(0xef, 0x60, 0x16),
        .otp = SNOR_OTP(256, 3, 0x1000, 0x1000),
        .flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB,
    }

Signed-off-by: default avatarMichael Walle <mwalle@kernel.org>
Link: https://lore.kernel.org/r/20230807-mtd-flash-info-db-rework-v3-15-e60548861b10@kernel.org


Signed-off-by: default avatarTudor Ambarus <tudor.ambarus@linaro.org>
parent 83e62ffa

drivers/mtd/spi-nor/core.h

+14 −0
Original line number Diff line number Diff line
@@ -561,6 +561,20 @@ struct flash_info { 
	const struct spi_nor_fixups *fixups;

};



#define SNOR_ID(...)							\

	(&(const struct spi_nor_id){					\

		.bytes = (const u8[]){ __VA_ARGS__ },			\

		.len = sizeof((u8[]){ __VA_ARGS__ }),			\

	})



#define SNOR_OTP(_len, _n_regions, _base, _offset)			\

	(&(const struct spi_nor_otp_organization){			\

		.len = (_len),						\

		.base = (_base),					\

		.offset = (_offset),					\

		.n_regions = (_n_regions),				\

	})



#define SPI_NOR_ID_2ITEMS(_id) ((_id) >> 8) & 0xff, (_id) & 0xff

#define SPI_NOR_ID_3ITEMS(_id) ((_id) >> 16) & 0xff, SPI_NOR_ID_2ITEMS(_id)