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: 36289v19.07.3_mercusys_ac12_duma
John Crispin
11 years ago
parent
e468abcae0
commit
48feea4861
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#!/bin/sh
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# Netgear WNCE2001 has does a checksum check on boot and goes into recovery
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# tftp mode when the check fails. Initializing the JFFS2 partition triggers
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# this, so we make sure to zero checksum and size to be checksummed before
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# that happens, so this needs to run very early during boot.
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do_wnce2001_checksumming_disable() {
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. /lib/ramips.sh
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local board=$(ramips_board_name)
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case "$board" in
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wnce2001)
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echo "Board is WNCE2001, updating checksum partition..."
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local zeroes=/dev/zero
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local tmpfile=/tmp/wnce2001_checksum
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local partname=checksum
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local mtd=$(find_mtd_part $partname)
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dd if=$mtd of=$tmpfile bs=80 count=1 2>/dev/null
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signature=$(dd if=$tmpfile bs=1 skip=24 count=20 2>/dev/null)
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checksum=$(dd if=$tmpfile bs=1 count=4 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"')
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if [ "$signature" != "RT3052-AP-WNCE2001-3" ]; then
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echo "Signature of checksum partition is wrong, bailing."
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return 0
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fi
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if [ "$checksum" != "00000000" ]; then
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echo "Checksum is set, zeroing."
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# zero out checksum
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dd if=$zeroes of=$tmpfile conv=notrunc bs=1 seek=0 count=4 2>/dev/null
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# zero out bytecount to be checksummed
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dd if=$zeroes of=$tmpfile conv=notrunc bs=1 seek=60 count=4 2>/dev/null
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mtd write $tmpfile $partname
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else
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echo "Checksum is already zero, nothing to do."
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fi
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;;
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esac
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return 0
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}
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boot_hook_add preinit_main do_wnce2001_checksumming_disable
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@ -0,0 +1,142 @@
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/dts-v1/;
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/include/ "rt3050.dtsi"
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/ {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "WNCE2001", "ralink,rt3052-soc";
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model = "Netgear WNCE2001";
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memorydetect {
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ralink,memory = <0x0 0x200000 0x4000000>;
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};
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chosen {
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bootargs = "console=ttyS0,115200";
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};
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palmbus@10000000 {
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sysc@0 {
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ralink,pinmux = "spi", "uartlite", "jtag", "sdram";
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ralink,gpiomux = "i2c", "mdio", "rgmii";
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ralink,uartmux = "gpio";
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ralink,wdtmux = <1>;
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};
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gpio0: gpio@600 {
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status = "okay";
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};
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spi@b00 {
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status = "okay";
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m25p80@0 {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "mx25l3205d";
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reg = <0 0>;
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linux,modalias = "m25p80", "mx25l3205d";
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spi-max-frequency = <10000000>;
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partition@0 {
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label = "u-boot";
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reg = <0x0 0x30000>;
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read-only;
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};
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factory: partition@30000 {
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label = "factory";
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reg = <0x30000 0x10000>;
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read-only;
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};
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partition@40000 {
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label = "config";
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reg = <0x40000 0x20000>;
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read-only;
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};
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partition@60000 {
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label = "language";
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reg = <0x60000 0x30000>;
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read-only;
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};
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partition@90000 {
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label = "pot";
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reg = <0x90000 0x10000>;
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read-only;
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};
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partition@a0000 {
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label = "checksum";
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reg = <0xa0000 0x10000>;
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};
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partition@b0000 {
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label = "firmware";
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reg = <0xb0000 0x350000>;
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};
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};
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};
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};
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ethernet@10100000 {
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status = "okay";
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};
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esw@10110000 {
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status = "okay";
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};
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wmac@10180000 {
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status = "okay";
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};
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gpio-leds {
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compatible = "gpio-leds";
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power-green {
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label = "netgear:green:power";
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gpios = <&gpio0 8 1>;
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};
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power-red {
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label = "netgear:red:power";
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gpios = <&gpio0 9 1>;
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};
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wlan-green {
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label = "netgear:green:wlan";
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gpios = <&gpio0 12 0>;
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};
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wlan-red {
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label = "netgear:red:wlan";
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gpios = <&gpio0 13 0>;
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};
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};
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gpio-keys-polled {
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compatible = "gpio-keys-polled";
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#address-cells = <1>;
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#size-cells = <0>;
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poll-interval = <20>;
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reset {
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label = "reset";
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gpios = <&gpio0 10 1>;
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linux,code = <0x198>;
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};
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wps {
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label = "wps";
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gpios = <&gpio0 0 1>;
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linux,code = <0x211>;
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};
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rt {
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label = "rt";
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gpios = <&gpio0 11 1>;
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linux,code = <0x100>;
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};
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ap {
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label = "ap";
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gpios = <&gpio0 7 1>;
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linux,code = <0x101>;
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};
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};
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};
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