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Diffstat (limited to 'storage/ufs_firmware_update.sh')
| -rwxr-xr-x | storage/ufs_firmware_update.sh | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/storage/ufs_firmware_update.sh b/storage/ufs_firmware_update.sh new file mode 100755 index 0000000..d118115 --- /dev/null +++ b/storage/ufs_firmware_update.sh @@ -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 |