The i.MX6 allows to store the barebox image and all control data around
it redundantly in the NAND. This can be used to make a barebox update
safe against power failures. The following series implements this. It
makes use of the just sent mtd-peb API.
Sascha
----------------------------------------------------------------
Sascha Hauer (11):
bbu: Allow to refresh/repair images
mtd: nand: export nand_check_erased_buf
imx-bbu-nand-fcb: factor out layout functions
imx-bbu-nand-fcb: Use mtd-peb API to write firmware
imx-bbu-nand-fcb: factor out a fcb write function
imx-bbu-nand-fcb: erase on demand
imx-bbu-nand-fcb: Only write FCBs/DBBTs when necessary
imx-bbu-nand-fcb: When writing firmware return new bad blocks
imx-bbu-nand-fcb: Print error when writing blocks fails
imx-bbu-nand-fcb: Make robust against power cuts
imx-bbu-nand-fcb: Print error message when out of pebs
Documentation/user/updating.rst | 8 +
commands/barebox-update.c | 26 +-
common/bbu.c | 12 +-
common/imx-bbu-nand-fcb.c | 968 +++++++++++++++++++++++++++++++++-------
drivers/mtd/nand/nand_base.c | 2 +-
include/bbu.h | 1 +
include/linux/mtd/nand.h | 1 +
7 files changed, 854 insertions(+), 164 deletions(-)
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