OpenWrt on TP-LINK TL-WR904N

I have successfully installed OpenWrt Attitude Adjustment 12.09 on TP-LINK TL-WR904N Rev. 1.0 Ver 1.3. This HW is not described on OpenWrt HW list, but I have flashed it successfully with openwrt-ar71xx-generic-tl-wr941nd-v4-squashfs-factory.bin.

BusyBox v1.19.4 (2013-03-14 11:28:31 UTC) built-in shell (ash)
Enter 'help' for a list of built-in commands.

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          |__| W I R E L E S S   F R E E D O M
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 ATTITUDE ADJUSTMENT (12.09, r36088)
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  * 1/4 oz Vodka      Pour all ingredients into mixing
  * 1/4 oz Gin        tin with ice, strain into glass.
  * 1/4 oz Amaretto
  * 1/4 oz Triple sec
  * 1/4 oz Peach schnapps
  * 1/4 oz Sour mix
  * 1 splash Cranberry juice
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root@OpenWrt:~# cat /proc/cpuinfo 
system type		: Atheros AR7240 rev 2
machine			: TP-LINK TL-WR741ND
processor		: 0
cpu model		: MIPS 24Kc V7.4
BogoMIPS		: 265.42
wait instruction	: yes
microsecond timers	: yes
tlb_entries		: 16
extra interrupt vector	: yes
hardware watchpoint	: yes, count: 4, address/irw mask: [0x0000, 0x05f8, 0x0d58, 0x0f98]
ASEs implemented	: mips16
shadow register sets	: 1
kscratch registers	: 0
core			: 0
VCED exceptions		: not available
VCEI exceptions		: not available