bluejay: conf: run ufs ffu script after boot complete

The ufs script is to work for ffu preparing. If device's ufs has an
old firmware, the script will copy the valid firmware into disk and
wait for ffu update on bootloader.

Bug: 273305212
Test: full build and test ffu update
Change-Id: Ib5e2c57494ee22c33b93f1eda0e72049dcd12d16
Signed-off-by: Leo Liou <leoliou@google.com>
This commit is contained in:
Leo Liou 2023-03-17 16:31:55 +08:00
parent d1729790ae
commit e3e61f15bc
4 changed files with 55 additions and 0 deletions

19
storage/ufs_firmware_update.sh Executable file
View file

@ -0,0 +1,19 @@
#!/vendor/bin/sh
#
# The script belongs to the feature of UFS FFU via OTA: go/p23-ffu-ota
# Its purpose is to copy the corresponding firmware into partition for UFS FFU.
ufs_dev="/dev/sys/block/bootdevice"
fw_dir="/vendor/firmware"
blk_dev="/dev/block/by-name/fips"
vendor=$(cat ${ufs_dev}/vendor | tr -d "[:space:]")
model=$(cat ${ufs_dev}/model | tr -d "[:space:]")
rev=$(cat ${ufs_dev}/rev | tr -d "[:space:]")
file=$(find ${fw_dir} -name "*${vendor}${model}${rev}*" | head -n 1)
if [ -n "$file" ]; then
# The first 4KB block at fips partition has been occupied, and unused space begins from 4 KB
# Refer to: go/pixel-mp-ffu-ota-1p
dd if="$file" of=$blk_dev bs=4k seek=1
fi