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| author | Stefan Agner <stefan@agner.ch> | 2018-06-24 23:27:23 +0200 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2018-07-02 09:01:52 +0200 |
| commit | f922bd798bb94e0adcce26ddd811245443173268 (patch) | |
| tree | 6c8f032e953695131e2eb2872b2d6e37fc086ff9 /include/linux/mtd | |
| parent | f308d7353d1f5c3ddedc784a367edc72fc51bbaa (diff) | |
| download | lwn-f922bd798bb94e0adcce26ddd811245443173268.tar.gz lwn-f922bd798bb94e0adcce26ddd811245443173268.zip | |
mtd: rawnand: add an option to specify NAND chip as a boot device
Allow to define a NAND chip as a boot device. This can be helpful
for the selection of the ECC algorithm and strength in case the boot
ROM supports only a subset of controller provided options.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/rawnand.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index 2d9cb7acbc3d..80aeeca03f36 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -219,6 +219,12 @@ enum nand_ecc_algo { */ #define NAND_WAIT_TCCS 0x00200000 +/* + * Whether the NAND chip is a boot medium. Drivers might use this information + * to select ECC algorithms supported by the boot ROM or similar restrictions. + */ +#define NAND_IS_BOOT_MEDIUM 0x00400000 + /* Options set by nand scan */ /* Nand scan has allocated controller struct */ #define NAND_CONTROLLER_ALLOC 0x80000000 |