The WGR614v7 has been reported to run on the Atheros 2317 chip an might be a work in progress according to the table of hardware.

• Atheros Product Name: Atheros AR5001AP
• CPU: Atheros 2317
• Flash: 2MB Macronix 25L1605 (according to http://forum.openwrt.org/viewtopic.php?id=9707 )
• RAM: 8MB IC42S16400 (according to http://forum.openwrt.org/viewtopic.php?id=9707 )
• Switch: ??
• One Antenna (2db)
• 1 WAN-Ports
• 4 LAN-Ports
• Powersupply: ??

You need to run telnetable to be able to use the telnet port: http://wiki.openwrt.org/OpenWrtDocs/Hardware/Netgear/TelnetConsole