Re: No PCI memory response

[Pete Popov <ppopov@embeddedalley.com>]

Gill Robles-Thome wrote:
> ...we found the cause of the problem!  Need to select "Support for
> 64-bit physical address space" option!

That option should be in the defconfig already - was it not?

I should just hardcode that option and get it over with.

Pete

> 
> Gill
> 
> -----Original Message-----
> From: linux-mips-bounce@linux-mips.org
> [mailto:linux-mips-bounce@linux-mips.org] On Behalf Of Gill Robles-Thome
> Sent: 05 April 2005 09:11
> To: linux-mips@linux-mips.org
> Subject: RE: No PCI memory response
> 
> 
> Hi -
> 
> I'm certainly seeing what looks like random reads...however, is the
> static bus controller actually implicated in PCI bus operations?  The
> product brief for the Au1100 doesn't mention PCI, so I'm not sure that
> we're looking at the same problem.
> 
> Thanks,
> Gill
> 
> -----Original Message-----
> From: linux-mips-bounce@linux-mips.org
> [mailto:linux-mips-bounce@linux-mips.org] On Behalf Of Ulrich Eckhardt
> Sent: 04 April 2005 15:53
> To: linux-mips@linux-mips.org
> Subject: Re: No PCI memory response
> 
> 
> Gill wrote:
> 
>>Can anyone help?  We're trying to talk to a RealTek RTL8139 device
>>across the PCI bus, and, although linux can access configuration 
>>registers on the device, it does not access memory space correctly, 
>>and we are unable to read back any sensible values from the RTL8139 
>>registers.
>>
>>We are using the latest 2.6 linux on an Alchemy DB1550 board.
> 
> 
> Random reads, discarded data after writing? I had the same problem and
> solved 
> it by simply configuring the static bus controller of my Au1100 properly
> (of 
> which before I didn't even know it existed...).
> 
> hth
> 
> Uli
> 
> 
> 
> 
> 
>