[coreboot] [PATCH] Fix AMD HD 3200 uma graphics problems in Win7 (revised)

Rudolf Marek r.marek at assembler.cz
Wed Nov 3 22:34:29 CET 2010

Hi Scott,

I tried to boot with that on famF CPU and it went well.
ruiktest:~# lspci -vvv -s 01:05.0

01:05.0 VGA compatible controller: ATI Technologies Inc RS880 [Radeon HD 4200] 
(prog-if 00 [VGA controller])
	Subsystem: ATI Technologies Inc Device 0000
	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-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 18
	Region 0: Memory at e8000000 (32-bit, prefetchable) [size=128M]
	Region 1: I/O ports at 1000 [size=256]
	Region 2: Memory at f8100000 (32-bit, non-prefetchable) [size=64K]
	Region 5: Memory at f8000000 (32-bit, non-prefetchable) [size=1M]
	Expansion ROM at <unassigned> [disabled]
	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: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
		Address: 0000000000000000  Data: 0000
	Kernel driver in use: radeon

The BAR seems to be enabled. Btw I tried to boot Win7 but still got only logo 
animation forever. Not sure what it could be.

I agree that this patch is big improvement. We can fix the MMCONF later.


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