bcm53xx: add platform_pre_upgrade to prepare for kernel+UBI sysupgrade

We can now detect that provided firmware contains kernel and UBI image
partitions. Flashing it in a sane way (keeping erase counters) still
needs to be implemented.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 45391
This commit is contained in:
Rafał Miłecki 2015-04-12 11:46:16 +00:00
parent ab6462dd56
commit 24d40980b0

View File

@ -124,6 +124,34 @@ platform_extract_trx_from_cybertan() {
dd if="$1" of="$2" bs=32 skip=1
}
platform_pre_upgrade() {
local file_type=$(platform_identify "$1")
local dir="/tmp/sysupgrade-bcm53xx"
local trx="$1"
[ "$(platform_flash_type)" != "nand" ] && return
# Extract trx
case "$file_type" in
"chk") trx="/tmp/$1.trx"; platform_extract_trx_from_chk "$1" "$trx";;
"cybertan") trx="/tmp/$1.trx"; platform_extract_trx_from_cybertan "$1" "$trx";;
esac
# Extract partitions from trx
rm -fR $dir
mkdir -p $dir
otrx -e "$trx" \
-1 $dir/kernel \
-2 $dir/root
# Firmwares without UBI image should be flashed "normally"
local root_type=$(identify $dir/root)
[ "$root_type" != "ubi" ] && return
echo "Provided firmware contains kernel and UBI image, but flashing it in unsupported yet"
exit 1
}
platform_do_upgrade() {
local file_type=$(platform_identify "$1")
local trx="$1"