platform_check_image() {
[ "$#" -gt 1 ] && return 1
- [ "$(platform_flash_type)" = "nand" ] && {
- echo "Firmware upgrade on NAND devices is not implemented."
- return 1
- }
-
local file_type=$(platform_identify "$1")
local magic
local error=0
# Extract trx
case "$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";;
+ "chk") trx="/tmp/$(basename $1).trx"; platform_extract_trx_from_chk "$1" "$trx";;
+ "cybertan") trx="/tmp/$(basename $1).trx"; platform_extract_trx_from_cybertan "$1" "$trx";;
esac
# Extract partitions from trx
local root_type=$(identify $dir/root)
[ "$root_type" != "ubi" ] && return
- echo "Provided firmware contains kernel and UBI image, but flashing it is unsupported yet"
- exit 1
+ # Prepare TRX file with just a kernel that will replace current one
+ local linux_length=$(grep "\"linux\"" /proc/mtd | sed "s/mtd[0-9]*:[ \t]*\([^ \t]*\).*/\1/")
+ [ -z "$linux_length" ] && {
+ echo "Unable to find \"linux\" partition size"
+ exit 1
+ }
+ linux_length=$((0x$linux_length + 28))
+ rm -f /tmp/null.bin
+ rm -f /tmp/kernel.trx
+ touch /tmp/null.bin
+ otrx create /tmp/kernel.trx \
+ -f $dir/kernel -b $linux_length \
+ -f /tmp/null.bin
+
+ # Prepare UBI image (drop unwanted extra blocks)
+ local ubi_length=0
+ while [ "$(dd if=$dir/root skip=$ubi_length bs=1 count=4 2>/dev/null)" = "UBI#" ]; do
+ ubi_length=$(($ubi_length + 131072))
+ done
+ echo "ubi_length: $ubi_length"
+ dd if=$dir/root of=/tmp/root.ubi bs=131072 count=$((ubi_length / 131072)) 2>/dev/null
+
+ # Flash
+ mtd write /tmp/kernel.trx firmware
+ nand_do_upgrade /tmp/root.ubi
}
platform_do_upgrade() {
}
case "$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";;
+ "chk") trx="/tmp/$(basename $1).trx"; platform_extract_trx_from_chk "$1" "$trx";;
+ "cybertan") trx="/tmp/$(basename $1).trx"; platform_extract_trx_from_cybertan "$1" "$trx";;
esac
shift