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-rw-r--r--target/linux/ramips/base-files/lib/preinit/04_handle_checksumming (renamed from target/linux/ramips/base-files/lib/preinit/04_disable_wnce2001_flash_checksumming)17
1 files changed, 15 insertions, 2 deletions
diff --git a/target/linux/ramips/base-files/lib/preinit/04_disable_wnce2001_flash_checksumming b/target/linux/ramips/base-files/lib/preinit/04_handle_checksumming
index 67a1746f1d..fd06d20c99 100644
--- a/target/linux/ramips/base-files/lib/preinit/04_disable_wnce2001_flash_checksumming
+++ b/target/linux/ramips/base-files/lib/preinit/04_handle_checksumming
@@ -5,7 +5,7 @@
# this, so we make sure to zero checksum and size to be checksummed before
# that happens, so this needs to run very early during boot.
-do_wnce2001_checksumming_disable() {
+do_checksumming_disable() {
. /lib/ramips.sh
local board=$(ramips_board_name)
@@ -35,9 +35,22 @@ do_wnce2001_checksumming_disable() {
echo "Checksum is already zero, nothing to do."
fi
;;
+ rt-n56u)
+ echo "Board is ASUS RT-N56U, replacing uImage header..."
+ local firmware_mtd=$(find_mtd_part firmware)
+ local rootfs_mtd=$(find_mtd_part rootfs)
+ local rootfs_data_mtd=$(find_mtd_part rootfs_data)
+ local rootfs_len=$(grep \"rootfs\" /proc/mtd | awk -F' ' '{print "0x"$2}')
+ local rootfs_data_len=$(grep \"rootfs_data\" /proc/mtd | awk -F' ' '{print "0x"$2}')
+ local offset=$(echo "$rootfs_len $rootfs_data_len 0x40" | awk -F' ' '{printf "%i",$1-$2-$3}')
+ local signature=$(dd if=$rootfs_mtd skip=$offset bs=1 count=4 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"')
+ if [ "$signature" == "27051956" ]; then
+ dd conv=notrunc if=$rootfs_mtd skip=$offset of=$firmware_mtd bs=1 count=64 2>/dev/null
+ fi
+ ;;
esac
return 0
}
-boot_hook_add preinit_main do_wnce2001_checksumming_disable
+boot_hook_add preinit_main do_checksumming_disable