ramips: split base-files into subtargets
[openwrt/openwrt.git] / target / linux / ramips / base-files / lib / preinit / 04_handle_checksumming
diff --git a/target/linux/ramips/base-files/lib/preinit/04_handle_checksumming b/target/linux/ramips/base-files/lib/preinit/04_handle_checksumming
deleted file mode 100644 (file)
index 8f741fa..0000000
+++ /dev/null
@@ -1,56 +0,0 @@
-#!/bin/sh
-
-# Netgear WNCE2001 has does a checksum check on boot and goes into recovery
-# tftp mode when the check fails.  Initializing the JFFS2 partition triggers
-# 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_checksumming_disable() {
-       . /lib/functions.sh
-
-       local board=$(board_name)
-
-       case "$board" in
-       netgear,wnce2001)
-               echo "Board is WNCE2001, updating checksum partition..."
-               local zeroes=/dev/zero
-               local tmpfile=/tmp/wnce2001_checksum
-               local partname=checksum
-               local mtd=$(find_mtd_part $partname)
-               dd if=$mtd of=$tmpfile bs=80 count=1 2>/dev/null
-               signature=$(dd if=$tmpfile bs=1 skip=24 count=20 2>/dev/null)
-               checksum=$(dd if=$tmpfile bs=1 count=4 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"')
-               if [ "$signature" != "RT3052-AP-WNCE2001-3" ]; then
-                       echo "Signature of checksum partition is wrong, bailing."
-                       return 0
-               fi
-               if [ "$checksum" != "00000000" ]; then
-                       echo "Checksum is set, zeroing."
-                       # zero out checksum
-                       dd if=$zeroes of=$tmpfile conv=notrunc bs=1 seek=0 count=4 2>/dev/null
-                       # zero out bytecount to be checksummed
-                       dd if=$zeroes of=$tmpfile conv=notrunc bs=1 seek=60 count=4 2>/dev/null
-                       mtd write $tmpfile $partname
-               else
-                       echo "Checksum is already zero, nothing to do."
-               fi
-       ;;
-       asus,rt-n56u)
-               echo "Board is ASUS RT-N56U, replacing uImage header..."
-               local firmware_mtd=$(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_checksumming_disable