problems using cirrusfb.ko

I'm running the Linux kernel 2.6.27-rc3. When trying to load cirrusfb.ko 
I received the following dmesg output:

[ 6185.202286] CLgenfb: Unknown memory size!
[ 6185.202286] RAM (1024 kB) at 0xe4000000, Cirrus Logic chipset on PCI bus
[ 6185.202286] cirrusfb: Driver for Cirrus Logic based graphic boards, 
v2.0-pre2
[ 6185.206301] cirrusfb: Warning: Unknown board type
[ 6185.206301] cirrusfb: This board has 1048576 bytes of DRAM memory
[ 6185.206301] cirrusfb: Warning: Unknown board type
[ 6185.210294] cirrusfb: This board has 1048576 bytes of DRAM memory
[ 6185.210294] Console: switching to colour frame buffer device 80x30
[ 6257.515628] cirrusfb: Warning: Unknown board type
[ 6257.519638] cirrusfb: This board has 1048576 bytes of DRAM memory

This board is identified as:

01:00.0 VGA compatible controller: Cirrus Logic GD 5465 [Laguna] (rev 03)
         Subsystem: Cirrus Logic Device 0000
         Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- 
ParErr- Stepping- SERR- FastB2B- DisINTx-
         Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium 
 >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
         Latency: 64 (4000ns min, 4000ns max)
         Interrupt: pin A routed to IRQ 11
         Region 0: Memory at e4000000 (32-bit, non-prefetchable) [size=32M]
         Region 1: Memory at e7000000 (32-bit, non-prefetchable) [size=64K]
         [virtual] Expansion ROM at 20000000 [disabled] [size=32K]
         Capabilities: [80] AGP version 1.0
                 Status: RQ=1 Iso- ArqSz=0 Cal=0 SBA- ITACoh- GART64- 
HTrans- 64bit- FW- AGP3- Rate=<none>
                 Command: RQ=1 ArqSz=0 Cal=0 SBA- AGP- GART64- 64bit- 
FW- Rate=<none>
         Kernel driver in use: cirrusfb
         Kernel modules: cirrusfb

I've tried enabling the 15-16 MB memory hole in the BIOS, but I'm still 
not getting anything visible when I switch away from vt7.

Any suggestions? (I'd like to run a radeon 9200 or 9600 but have yet to 
find one).


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