+platform_do_upgrade_chk() {
+ local header_len=$((0x$(get_magic_long_at "$1" 4)))
+ local trx="/tmp/$1.trx"
+
+ dd if="$1" of="$trx" bs=$header_len skip=1
+ shift
+ default_do_upgrade "$trx" "$@"
+}
+
+platform_do_upgrade_cybertan() {
+ local trx="/tmp/$1.trx"
+
+ dd if="$1" of="$trx" bs=32 skip=1
+ shift
+ default_do_upgrade "$trx" "$@"
+}
+
+platform_do_upgrade() {
+ local file_type=$(brcm47xx_identify "$1")
+
+ case "$file_type" in
+ "chk") platform_do_upgrade_chk "$ARGV";;
+ "cybertan") platform_do_upgrade_cybertan "$ARGV";;
+ *) default_do_upgrade "$ARGV";;
+ esac
+}