From 48feea4861bba4673e8e2d7a6cedf483963180fc Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Tue, 9 Apr 2013 14:19:33 +0000
Subject: Add Netgear WNCE2001 (OF version)

Add Netgear WNCE2001.

This is a small RT3052 device with 4MB spi flash and 32MB ram.
2 built-in antennas, 1x fastE, no USB, reset & wps switch.
On my model the AP/RT switch is unpopulated, but I verified the gpio
mapping for it.
The stock firmware is running an unprotected tftpd which allows you
to read any file from the filesystem.
Serial port is present on testpads (See image on the wiki page).
There are more testpads below the shield near the SoC, which
may have JTAG.

Slight annoyance: The bootloader is checksumming kernel&rootfs, but
can be tricked by zeroing checksum and length fields in the checksum
partition, see
target/linux/ramips/base-files/lib/preinit/04_disable_wnce2001_flash_checksumming

The manufacturer image is very similar to the DAP one, so I slightly
modified mkdapimg to support generating it.

The resulting
openwrt-ramips-rt305x-wnce2001-squashfs-factory-(worldwide|northamerica).bin
can be used to flash from stock to OpenWRT using the stock firmware
upgrade function, without using the serial port.

http://www.netgear.com/landing/wnce2001.aspx
http://wiki.openwrt.org/toh/netgear/wnce2001

Signed-off-by: Tobias Diedrich <ranma+openwrt@tdiedrich.de>

SVN-Revision: 36289
---
 target/linux/ramips/base-files/etc/diag.sh         |  3 ++
 .../etc/hotplug.d/firmware/10-rt2x00-eeprom        |  1 +
 .../ramips/base-files/etc/uci-defaults/01_leds     |  3 ++
 .../ramips/base-files/etc/uci-defaults/02_network  |  6 ++-
 .../preinit/04_disable_wnce2001_flash_checksumming | 43 ++++++++++++++++++++++
 .../ramips/base-files/lib/preinit/06_set_iface_mac |  1 +
 target/linux/ramips/base-files/lib/ramips.sh       |  3 ++
 .../ramips/base-files/lib/upgrade/platform.sh      |  1 +
 8 files changed, 59 insertions(+), 2 deletions(-)
 create mode 100644 target/linux/ramips/base-files/lib/preinit/04_disable_wnce2001_flash_checksumming

(limited to 'target/linux/ramips/base-files')

diff --git a/target/linux/ramips/base-files/etc/diag.sh b/target/linux/ramips/base-files/etc/diag.sh
index 866003c..fe925c0 100755
--- a/target/linux/ramips/base-files/etc/diag.sh
+++ b/target/linux/ramips/base-files/etc/diag.sh
@@ -111,6 +111,9 @@ get_status_led() {
 	wr512-3gn)
 		status_led="wr512:green:wps"
 		;;
+	wnce2001)
+		status_led="netgear:green:power"
+		;;
 	mzk-w300nh2)
 		status_led="mzkw300nh2:green:power"
 		;;
diff --git a/target/linux/ramips/base-files/etc/hotplug.d/firmware/10-rt2x00-eeprom b/target/linux/ramips/base-files/etc/hotplug.d/firmware/10-rt2x00-eeprom
index b6490b5..5915a02 100644
--- a/target/linux/ramips/base-files/etc/hotplug.d/firmware/10-rt2x00-eeprom
+++ b/target/linux/ramips/base-files/etc/hotplug.d/firmware/10-rt2x00-eeprom
@@ -93,6 +93,7 @@ case "$FIRMWARE" in
 	wl-330n3g | \
 	wl-351 | \
 	wli-tx4-ag300n | \
+	wnce2001 | \
 	wr512-3gn | \
 	wr6202 | \
 	mzk-w300nh2 | \
diff --git a/target/linux/ramips/base-files/etc/uci-defaults/01_leds b/target/linux/ramips/base-files/etc/uci-defaults/01_leds
index bb8a5dc..cd17d7f 100755
--- a/target/linux/ramips/base-files/etc/uci-defaults/01_leds
+++ b/target/linux/ramips/base-files/etc/uci-defaults/01_leds
@@ -112,6 +112,9 @@ case $board in
 	wcr-150gn)
 		set_usb_led "wcr150gn:amber:user"
 		;;
+	wnce2001)
+		set_wifi_led "netgear:green:wlan"
+		;;
 esac
 
 ucidef_commit_leds
diff --git a/target/linux/ramips/base-files/etc/uci-defaults/02_network b/target/linux/ramips/base-files/etc/uci-defaults/02_network
index 9c1936e..e28f2b5 100755
--- a/target/linux/ramips/base-files/etc/uci-defaults/02_network
+++ b/target/linux/ramips/base-files/etc/uci-defaults/02_network
@@ -41,7 +41,8 @@ ramips_setup_interfaces()
 	w150m | \
 	all0256n | \
 	all5002 | \
-	broadway)
+	broadway | \
+	wnce2001)
 		ucidef_add_switch "switch0" "1" "0"
 		ucidef_set_interface_lan "eth0"
 		;;
@@ -242,7 +243,8 @@ ramips_setup_macs()
 
 	all0239-3g | \
 	carambola | \
-	w502u)
+	w502u | \
+	wnce2001)
 		lan_mac=$(mtd_get_mac_binary factory 40)
 		wan_mac=$(mtd_get_mac_binary factory 46)
 		;;
diff --git a/target/linux/ramips/base-files/lib/preinit/04_disable_wnce2001_flash_checksumming b/target/linux/ramips/base-files/lib/preinit/04_disable_wnce2001_flash_checksumming
new file mode 100644
index 0000000..67a1746
--- /dev/null
+++ b/target/linux/ramips/base-files/lib/preinit/04_disable_wnce2001_flash_checksumming
@@ -0,0 +1,43 @@
+#!/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_wnce2001_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 $partname
+		else
+			echo "Checksum is already zero, nothing to do."
+		fi
+	;;
+	esac
+
+	return 0
+}
+
+boot_hook_add preinit_main do_wnce2001_checksumming_disable
diff --git a/target/linux/ramips/base-files/lib/preinit/06_set_iface_mac b/target/linux/ramips/base-files/lib/preinit/06_set_iface_mac
index 7824e2b..52bf115 100644
--- a/target/linux/ramips/base-files/lib/preinit/06_set_iface_mac
+++ b/target/linux/ramips/base-files/lib/preinit/06_set_iface_mac
@@ -64,6 +64,7 @@ preinit_set_mac_address() {
 	w306r-v20 |\
 	w502u    |\
 	wr6202 |\
+	wnce2001 |\
 	xdxrn502j)
 		mac=$(mtd_get_mac_binary factory 40)
 		ifconfig eth0 hw ether $mac 2>/dev/null
diff --git a/target/linux/ramips/base-files/lib/ramips.sh b/target/linux/ramips/base-files/lib/ramips.sh
index c89dd46..37b477a 100755
--- a/target/linux/ramips/base-files/lib/ramips.sh
+++ b/target/linux/ramips/base-files/lib/ramips.sh
@@ -120,6 +120,9 @@ ramips_board_detect() {
 	*"NBG-419N")
 		name="nbg-419n"
 		;;
+	*"Netgear WNCE2001")
+		name="wnce2001"
+		;;
 	*"NexAira BC2")
 		name="bc2"
 		;;
diff --git a/target/linux/ramips/base-files/lib/upgrade/platform.sh b/target/linux/ramips/base-files/lib/upgrade/platform.sh
index 34d2c54..ef15044 100755
--- a/target/linux/ramips/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ramips/base-files/lib/upgrade/platform.sh
@@ -59,6 +59,7 @@ platform_check_image() {
 	wl341v3 | \
 	wl-330n | \
 	wl-351 | \
+	wnce2001 | \
 	wli-tx4-ag300n | \
 	whr-g300n |\
 	ur-326n4g |\
-- 
cgit v1.1