I got it working with the 1.0.1.5 CFE:
root@DD-WRT:~# cat /proc/cpuinfo
model name : ARMv7 Processor rev 0 (v7l)
processor : 0
BogoMIPS : 2387.14
Features : half fastmult edsp tls
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x3
CPU part : 0xc09
CPU revision...