diff options
Diffstat (limited to 'target/linux/ramips/base-files/lib/preinit')
3 files changed, 99 insertions, 0 deletions
diff --git a/target/linux/ramips/base-files/lib/preinit/03_preinit_do_ramips.sh b/target/linux/ramips/base-files/lib/preinit/03_preinit_do_ramips.sh new file mode 100644 index 0000000..31ef5f8 --- /dev/null +++ b/target/linux/ramips/base-files/lib/preinit/03_preinit_do_ramips.sh @@ -0,0 +1,9 @@ +#!/bin/sh + +do_ramips() { + . /lib/ramips.sh + + ramips_board_detect +} + +boot_hook_add preinit_main do_ramips diff --git a/target/linux/ramips/base-files/lib/preinit/04_handle_checksumming b/target/linux/ramips/base-files/lib/preinit/04_handle_checksumming new file mode 100644 index 0000000..057fe45 --- /dev/null +++ b/target/linux/ramips/base-files/lib/preinit/04_handle_checksumming @@ -0,0 +1,56 @@ +#!/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/ramips.sh + + local board=$(ramips_board_name) + + case "$board" in + 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 $partname + else + echo "Checksum is already zero, nothing to do." + fi + ;; + rt-n56u) + echo "Board is ASUS RT-N56U, replacing uImage header..." + local firmware_mtd=$(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 diff --git a/target/linux/ramips/base-files/lib/preinit/07_set_preinit_iface_ramips b/target/linux/ramips/base-files/lib/preinit/07_set_preinit_iface_ramips new file mode 100644 index 0000000..3dce1b6 --- /dev/null +++ b/target/linux/ramips/base-files/lib/preinit/07_set_preinit_iface_ramips @@ -0,0 +1,34 @@ +#!/bin/sh +# +# Copyright (C) 2013 OpenWrt.org +# + +. /lib/ramips.sh + +ramips_set_preinit_iface() { + RT3X5X=`cat /proc/cpuinfo | egrep "(RT3.5|RT5350|MT7628|MT7688)"` + if [ -n "${RT3X5X}" ]; then + swconfig dev rt305x set reset 1 + fi + + if echo $RT3X5X | egrep -q "(RT5350|MT7628|MT7688)"; then + # This is a dirty hack to get by while the switch + # problem is investigated. When VLAN is disabled, ICMP + # pings work as expected, but TCP connections time + # out, so telnetting in failsafe is impossible. The + # likely reason is TCP checksumming hardware getting + # disabled: + # https://www.mail-archive.com/openwrt-devel@lists.openwrt.org/msg19870.html + swconfig dev rt305x set enable_vlan 1 + swconfig dev rt305x vlan 1 set ports "0 6" + swconfig dev rt305x port 6 set untag 0 + swconfig dev rt305x set apply 1 + ip link add link eth0 name eth0.1 type vlan id 1 + ip link set eth0 up + ifname=eth0.1 + else + ifname=eth0 + fi +} + +boot_hook_add preinit_main ramips_set_preinit_iface |