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authorBoris Brezillon <boris.brezillon@free-electrons.com>2016-06-06 10:16:58 +0200
committerScott Wood <oss@buserror.net>2016-06-19 19:11:57 -0500
commit80ef700f8df1f85dd3b0880584e2e2a998a9b3dd (patch)
tree05a15967c467ee18b442443fb2de292b3b8ecc73 /doc/README.imx31
parent494e108651a3c55b85d060202e941e4d8d68ce5e (diff)
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spl: nand: support redundant u-boot image
On modern NAND it's more than recommended to have a backup copy of the u-boot binary to recover from corruption: bitflips are quite common on MLC NANDs, and the read-disturbance will corrupt your u-boot partitition more quickly than what you would see on an SLC NAND. Add an extra Kconfig option to specify the offset of the redundant u-boot image. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Hans de Goede <hdegoede@redhat.com> [scottwood: added ifdef to fix build break] Signed-off-by: Scott Wood <oss@buserror.net>
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