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02673659e8
Add a new fwumdata tool to allows users to read, display, and modify FWU (Firmware Update) metadata from Linux userspace. It provides functionality similar to fw_printenv/fw_setenv but for FWU metadata. Users can view metadata, change active/previous bank indices, modify bank states, and set image acceptance flags. Configuration is done via fwumdata.config file. Signed-off-by: Kory Maincent <kory.maincent@bootlin.com> Tested-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
34 lines
1.0 KiB
Plaintext
34 lines
1.0 KiB
Plaintext
# FWU Metadata Configuration File
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#
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# Format: <device> <offset> <metadata_size> <erase_size>
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#
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# This file describes where the FWU metadata is stored. You can specify
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# up to two entries for redundant metadata copies.
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#
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# Device: MTD device (/dev/mtdX), block device (/dev/mmcblkX), or file path
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# Offset: Byte offset from start of device (hex with 0x prefix)
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# Metadata Size: Size of metadata structure in bytes (hex with 0x prefix)
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# Erase Size: Sector/erase block size (hex with 0x prefix, defaults to
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# metadata_size, required only for MTD device)
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#
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# Examples:
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#
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# MTD devices (NOR/NAND flash):
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# /dev/mtd0 0x0 0x1000 0x1000
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# /dev/mtd1 0x0 0x1000 0x1000
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#
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# Block device (eMMC/SD):
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# /dev/mmcblk0 0x100000 0x78
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# /dev/mmcblk0 0x101000 0x78
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#
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# or:
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# /dev/disk/by-partlabel/metadata1 0 0x78
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# /dev/disk/by-partlabel/metadata2 0 0x78
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#
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# Regular file:
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# /boot/fwu-mdata.bin 0x0 0x78
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#
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# Default configuration (update for your platform):
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/dev/mtd0 0x0 0x78 0x1000
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/dev/mtd1 0x0 0x78 0x1000
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