PCI add-in parallel port problem

Richard Perini rpp at ci.com.au
Sat Mar 29 17:05:47 PDT 2008


On Sun, Mar 30, 2008 at 12:56:31AM +0100, Erik Trulsson wrote:
> On Sun, Mar 30, 2008 at 10:05:09AM +1100, Richard Perini wrote:
> > 
> > Hi,
> > 
> > I'm trying to get a PCI-express add-in parallel port card working with
> > 7.0-STABLE, and after trying the following, I'm unable to get it to
> > attach to the ppc bus.  The card has a "MosChip NM9805" chip.  Motherboard
> > is an ASUS P5E64 WS. (which of course has no on-board parallel port).
> > The card seems to be recognised by the puc layer.
> > 
> > I've added 
> > 	device	puc
> > to the kernel config file,  and added 
> > 
> > 	{   0x9710, 0x9805, 0xffff, 0,
> > 	    "MosChip NM9805 Dual 1284 Printer port", 
> > 	    0,
> > 	    PUC_PORT_2P, 0x10, 8, 0,
> > 	}, 
> > 
> > to sys/dev/puc/pucdata.c and with verbose booting, get the following 
> > extracts from dmesg:  (full dmesg attached below)
> > 
> > pcib3: slot 0 INTB hardwired to IRQ 17
> > pcib4: slot 1 INTA is routed to irq 17
> > pcib5: slot 0 INTA is routed to irq 17
> > pcib6: slot 0 INTA is routed to irq 17
> > ppc0: Reserved 0x8 bytes for rid 0x10 type 4 at 0xdc00
> > ppc0: using extended I/O port range
> > puc0: <MosChip NM9805 Dual 1284 Printer port> port 0xdc00-0xdc07,0xd880-0xd887,0xd800-0xd807,0xd480-0xd487,0xd400-0xd407,0xd080-0xd08f irq 17 at device 0.0 on pci10
> > pcib6: puc0 requested I/O range 0xdc00-0xdc07: in range
> > pcib5: puc0 requested I/O range 0xdc00-0xdc07: in range
> > pcib4: puc0 requested I/O range 0xdc00-0xdc07: in range
> > pcib3: puc0 requested I/O range 0xdc00-0xdc07: in range
> > puc0: Reserved 0x8 bytes for rid 0x18 type 4 at 0xd800
> > puc0: [FILTER]
> > ppc0: using extended I/O port range
> > ppc0: using extended I/O port range
> > 
> > 	[ and later ]
> > 
> > ppc0: parallel port not found.
> > ppc0: <Parallel port> failed to probe at irq 7 on isa0
> > 
> > Any suggestions would be appreciated.
> > 
> 
> Take a look in /boot/device.hints
> Do you have any lines in there referring to ppc0 ?
> If so try commenting them out.

Thanks for the suggestion, Erik.

I commented out

	hint.ppc.0.at="isa"
	hint.ppc.0.irq="7"

from /boot/device.hints and that got rid of 

	ppc0: parallel port not found.
	ppc0: <Parallel port> failed to probe at irq 7 on isa0

from dmesg, but unfortunately nothing else changed.

-- 
Richard Perini 


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