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tegra-flash-init: add BCT redundant copies to mmcblk0boot0 writes

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in the program-boot-device script.

Signed-off-by: Matt Madison <matt@madison.systems>
This commit is contained in:
Matt Madison
2023-01-10 07:44:12 -08:00
parent 2ee2e9ece9
commit cd194fdd43
1 changed files with 16 additions and 0 deletions
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16
recipes-core/initrdscripts/tegra-flash-init/program-boot-device.sh
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@@ -74,6 +74,22 @@ program_mmcboot_partition() {
if ! dd if="$part_file" of="$bootpart" bs=1 seek=$part_offset count=$file_size > /dev/null; then if ! dd if="$part_file" of="$bootpart" bs=1 seek=$part_offset count=$file_size > /dev/null; then
return 1 return 1
fi fi
# Multiple copies of the BCT get installed at 16KiB boundaries
# within the defined BCT partition
if [ "$partname" = "BCT" ]; then
local slotsize=16384
local curr_offset=$(expr $part_offset \+ $slotsize)
local copycount=$(expr $part_size / $slotsize)
local i=1
while [ $i -lt $copycount ]; do
echo "Writing $part_file (size=$file_size) to BCT+$i (offset=$curr_offset)"
if ! dd if="$part_file" of="$bootpart" bs=1 seek=$curr_offset count=$file_size > /dev/null; then
return 1
fi
i=$(expr $i \+ 1)
curr_offset=$(expr $curr_offset \+ $slotsize)
done
fi
fi fi
return 0 return 0
} }