failure on linux-3.2 and radeon kms with a FireGL V5600 on PPC64

[acrux]

hi all,
i'm unable to have a working Radeon KMS framebuffer with an  ATI FireGL V5600 on my YDL Powerstation and i'm obliged to use the old OpenFirmware  fb.

That's from my dmesg [1]:

[...]
vgaarb: device added: PCI:0000:f1:00.0,decodes=io+mem,owns=none,locks=none
vgaarb: loaded
vgaarb: bridge control possible 0000:f1:00.0
[...]
[drm] Initialized drm 1.1.0 20060810
[drm] radeon defaulting to kernel modesetting.
[drm] radeon kernel modesetting enabled.
[drm] initializing kernel modesetting (RV630 0x1002:0x958C 0x1002:0x0B02).
radeon 0000:f1:00.0: Using 32-bit DMA via iommu
[drm] register mmio base: 0xE8000000
[drm] register mmio size: 65536
radeon 0000:f1:00.0: Invalid ROM contents
radeon 0000:f1:00.0: Expecting atombios for R600 GPU
radeon 0000:f1:00.0: Fatal error during GPU init
[drm] radeon: finishing device.
[TTM] Memory type 2 has not been initialized.
radeon: probe of 0000:f1:00.0 failed with error -22


This is about the video card:
root at radio:~# lspci
0000:f0:0b.0 PCI bridge: Apple Computer Inc. CPC945 PCIe Bridge
0000:f1:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RV630GL [FireGL v5600]
0001:00:01.0 PCI bridge: Broadcom BCM5780 [HT2000] PCI-X bridge (rev b0)
0001:00:02.0 PCI bridge: Broadcom BCM5780 [HT2000] PCI-X bridge (rev b0)
0001:00:03.0 PCI bridge: Broadcom BCM5780 [HT2000] PCI-Express Bridge (rev b0)
0001:00:04.0 PCI bridge: Broadcom BCM5780 [HT2000] PCI-Express Bridge (rev b0)
0001:00:05.0 PCI bridge: Broadcom BCM5780 [HT2000] PCI-Express Bridge (rev b0)
0001:00:06.0 PCI bridge: Broadcom BCM5780 [HT2000] PCI-Express Bridge (rev b0)
0001:00:07.0 PCI bridge: Advanced Micro Devices [AMD] AMD-8111 PCI (rev 07)
0001:00:08.0 ISA bridge: Advanced Micro Devices [AMD] AMD-8111 LPC (rev 05)
0001:00:08.1 IDE interface: Advanced Micro Devices [AMD] AMD-8111 IDE (rev 03)
0001:01:01.0 RAID bus controller: IBM Obsidian chipset SCSI controller (rev 01)
0001:02:04.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5780 Gigabit Ethernet (rev 10)
0001:02:04.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5780 Gigabit Ethernet (rev 10)
0001:07:00.0 USB controller: Advanced Micro Devices [AMD] AMD-8111 USB OHCI (rev 0b)
0001:07:00.1 USB controller: Advanced Micro Devices [AMD] AMD-8111 USB OHCI (rev 0b)
0001:07:02.0 Serial controller: Exar Corp. XR17C/D152 Dual PCI UART (rev 02)

root at radio:~# lspci  -nn|grep VGA
0000:f1:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD] nee ATI RV630GL [FireGL v5600] [1002:958c]

0000:f1:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RV630GL [FireGL v5600] (prog-if 00 [VGA controller])
        Subsystem: Advanced Micro Devices [AMD] nee ATI Device 0b02
        Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at c0000000 (64-bit, prefetchable) [size=256M]
        Region 2: Memory at e8000000 (64-bit, non-prefetchable) [size=64K]
        Region 4: I/O ports at 1000 [size=256]
        Expansion ROM at e8020000 [disabled] [size=128K]
        Capabilities: [50] Power Management version 3
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [58] Express (v1) Legacy Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us, L1 unlimited
                        ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
                        RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
                        MaxPayload 128 bytes, MaxReadReq 128 bytes
                DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend-
                LnkCap: Port #0, Speed 2.5GT/s, Width x16, ASPM L0s L1, Latency L0 <64ns, L1 <1us
                        ClockPM- Surprise- LLActRep- BwNot-
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x16, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
        Capabilities: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
                Address: 0000000000000000  Data: 0000
        Capabilities: [100 v1] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
        Kernel modules: radeon


thanks for your help,
--nico




[1] http://cruxppc.org/~acrux/dmesg-kms
-- 
acrux <acrux_it at libero.it>