cpufreq on powerbook lombard

[Sergey Kolosov]

How i can enabled cpufreq on my powerbook lombard? In kernel(2.6.11) source:

file /usr/src/kernel-source-2.6.11/arch/ppc/platforms/pmac_cpufreq.c

<...>
/* Currently, we support the following machines:
 *
 *  - Titanium PowerBook 1Ghz (PMU based, 667Mhz & 1Ghz)
 *  - Titanium PowerBook 800 (PMU based, 667Mhz & 800Mhz)
 *  - Titanium PowerBook 400 (PMU based, 300Mhz & 400Mhz)
 *  - Titanium PowerBook 500 (PMU based, 300Mhz & 500Mhz)
 *  - iBook2 500/600 (PMU based, 400Mhz & 500/600Mhz)
 *  - iBook2 700 (CPU based, 400Mhz & 700Mhz, support low voltage)
 *  - Recent MacRISC3 laptops
 *  - iBook G4s and PowerBook G4s with 7447A CPUs
 */
static int __init pmac_cpufreq_setup(void)
<...>

 But can be there is a way for addition of support cpufreq for
powerbook lombard ?

P.S.
sk at powerbook:~$ cat /proc/cpuinfo
processor       : 0
cpu             : 740/750
temperature     : 74-76 C (uncalibrated)
clock           : 333MHz
revision        : 131.0 (pvr 0008 8300)
bogomips        : 665.60
machine         : PowerBook1,1
motherboard     : PowerBook1,1 MacRISC Power Macintosh
detected as     : 64 (PowerBook 101 (Lombard))
pmac flags      : 00000009
L2 cache        : 512K unified
memory          : 256MB
pmac-generation : NewWorld
sk at powerbook:~$ uname -a
Linux powerbook 2.6.8-powerpc #1 Sun Mar 20 14:09:41 CET 2005 ppc GNU/Linux
sk at powerbook:~$ cat /etc/debian_version
3.1