AR913x support in -HEAD, or TP-Link WR-1043nd

In summary:

KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2011 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 9.0-CURRENT #6 r220911:221160M: Thu Apr 28 20:09:28 WST 2011
adrian@pcbsd-3114:/data/freebsd/mips/head/obj/mipseb/mips.mipseb/data/freebsd/mips/head/src/sys/TP-WN1043ND mips
real memory = 33554432 (32768K bytes)
avail memory = 21123072 (20MB)
nexus0:
clock0: on nexus0
Timecounter "MIPS32" frequency 200000000 Hz quality 800
Event timer "MIPS32" frequency 200000000 Hz quality 800
apb0 at irq 4 on nexus0
uart0: <16550 or compatible> on apb0
uart0: console (115200,n,8,1)
ehci0: at mem 0x1b000100-0x1bffffff irq 1 on nexus0
usbus0: set host controller mode
usbus0: EHCI version 1.0
usbus0: set host controller mode
usbus0: on ehci0
arge0: at mem 0x19000000-0x19000fff irq 2 on nexus0
arge0: Overriding MAC from EEPROM
arge0: Ethernet address: 94:0c:6d:fe:4f:20
arge1: at mem 0x1a000000-0x1a000fff irq 3 on nexus0
device_attach: arge1 attach returned 22
ath0: at mem 0x180c0000-0x180effff irq 0 on nexus0
ath0: eeprom @ 0x1fff1000
ath0: eeprom data @ 0xbfff1000
ath0: [HT] enabling HT modes
ath0: [HT] 2 RX streams; 2 TX streams
ath0: AR9130 mac 20.1 RF2133 phy 10.2
spi0: at mem 0x1f000000-0x1f00000f on nexus0
spibus0: on spi0
mx25l0: at cs 0 on spibus0
mx25l0: s25sl064a, sector 65536 bytes, 128 sectors
ar71xx_wdog0: on nexus0
ar71xx_wdog0: Previous reset was due to watchdog timeout
Timecounters tick every 1.000 msec
usbus0: 480Mbps High Speed USB v2.0
md0.uzip: 855 x 16384 blocks
ugen0.1: at usbus0
uhub0: on usbus0
Root mount waiting for: usbus0
uhub0: 1 port with 1 removable, self powered
Root mount waiting for: usbus0
ugen0.2: at usbus0
umass0: on usbus0
umass0: SCSI over Bulk-Only; quirks = 0x0000
Root mount waiting for: usbus0
umass0:0:0:-1: Attached to scbus0
Trying to mount root from ufs:/dev/md0 []...
da0 at umass-sim0 bus 0 scbus0 target 0 lun 0
da0: Removable Direct Access SCSI-0 device
da0: 40.000MB/s transfers
da0: 3835MB (7856127 512 byte sectors: 255H 63S/T 489C)
Mounting from ufs:/dev/md0 failed with error 22.
Trying to mount root from ufs:/dev/md0.uzip []...
warning: no time-of-day clock registered, system time will not be set accurately
bridge0: Ethernet address: 06:26:1a:6f:d5:e7
wlan0: Ethernet address: 00:19:e0:66:66:68

And the wireless:

# ifconfig wlan0
wlan0: flags=8943 metric 0 mtu 1500
ether 00:19:e0:66:66:68
inet6 fe80::219:e0ff:fe66:6668%wlan0 prefixlen 64 scopeid 0x6
nd6 options=21
media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng
status: running
ssid CACHEBOY_RS channel 6 (2437 MHz 11g ht/40+) bssid 00:19:e0:66:66:68
regdomain ROW country AU ecm authmode WPA1+WPA2/802.11i privacy MIXED
deftxkey 2 TKIP 2:128-bit txpower 30 scanvalid 60 protmode CTS
-ampdutx ampdurx ampdulimit 64k -amsdu shortgi wme burst dtimperiod 1
-dfs

I'll see about sneaking this into -HEAD soon.