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Date:      Wed, 23 May 2001 23:54:11 -0000
From:      "Greg Smith" <gregsmith59@hotmail.com>
To:        freebsd-mobile@freebsd.org
Subject:   Re: TESTIT: Patch to turn pcic_pci into real device
Message-ID:  <F222z5b6KZmcK8r6beU00008732@hotmail.com>

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Warner and Brooks,

On my Winbook FX I was unable to get pccard to work until I added the 
following to my 4.1-Release kernel config:

device pcic0 at isa? port 0xfcec

It now probes as:

pcic-pci0: <Cirrus Logic PD6729/6730 PC-Card Controller> port 0xfcec-0xfcef 
irq 10 at device 19.0 on pci0
pcic-pci0: Legacy address set to 0
PCI Config space:
00:  11001013 04000083 060500ee 00000000
10:  0000fced 00000000 00000000 00000000
20:  00000000 00000000 00000000 00000000
30:  00000000 00000000 00000000 0000010a
40:  00000000 00000000 00000000 00000000
50:  00000000 00000000 00000000 00000000
60:  00000000 00000000 00000000 00000000
70:  00000000 00000000 00000000 00000000
80:  00000000 00000000 00000000 00000000
90:  00000000 00000000 00000000 00000000
Cardbus Socket registers:
00:  000000e5: 01cb4968: 256de800: c4830001:
10:  087d8310: 831a7500: ca68fcc4: 680001cb:
ExCa registers:
00: 52 50 8b 55 08 52 e8 54 01 00 00 89 c6 8b 45 08
10: 8b 38 89 78 04 83 c4 f8 8b 45 0c 8b 55 10 52 50
20: e8 e6 05 00 00 66 89 47 04 8b 55 14 89 57 0c 88
30: d8 0c 04 88 47 06 8a 55 0c 88 57 07 89 77 08 8d

Is this what you two are wondering about?

> > : Is this patch supposed to fix the problem that you have to change the
> > : hints for PCI<->PC-card bridges like the Cirrus Logic PD6729s because
> > : they don't have a legacy mode?  We've got an old Gateway Solo at work
> > : that has one of these.
> >
> > Yes.  However, the PD6729 does have a legacy mode...
>
>Hmmm, I'm pretty sure that was the chip, though it might have been
>another one.  In any case, the code did try to set the legacy mode, but
>failed to change the address (IIRC, it didn't check for success/failure)
>which meant the ISA device didn't attach.  Unfortunatly, I don't have
>that laptop at the moment so I can't test the patch easily.

HTH,

Greg
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