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SubjectRe: PROBLEM: ICH7 SATA drive not detected.
Greg Felix wrote:
> 00:1f.2 Class 0101: 8086:27c0 (prog-if 8f [Master SecP SecO PriP PriO])
> Subsystem: 103c:3011
> Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop-
> ParErr- Stepping- SERR- FastB2B-
> Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium
>>TAbort- <TAbort- <MAbort- >SERR- <PERR-
> Latency: 0
> Interrupt: pin B routed to IRQ 5
> Region 0: I/O ports at 10d8 [size=8]
> Region 1: I/O ports at 10f0 [size=4]
> Region 2: I/O ports at 10e0 [size=8]
> Region 3: I/O ports at 10f4 [size=4]
> Region 4: I/O ports at 10b0 [size=16]
> Region 5: Memory at e04c4400 (32-bit, non-prefetchable)
> [disabled] [size=1K]

I was hoping that we could detect when this PCI BAR is disabled, and
base the logic on that. But it appears that's not feasible for some BIOSen.

I suppose your patch is the best we can do.


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