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Date: Thu, 14 Oct 2004 15:20:27 -0700
From: Manish Lachwani <mlachwani@mvista.com>
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To: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org
Subject: Re: [PATCH]PCI on SWARM
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Maciej W. Rozycki wrote:

>On Thu, 14 Oct 2004, Ralf Baechle wrote:
>
>  
>
>>>This small patch is required to get PCI working on the Broadcom SWARM 
>>>board in 2.6. Without this patch, the PCI bus scan is skipped due to 
>>>resource conflict. Tested using the E100 network card
>>>      
>>>
>>>-       ioport_resource.end = 0x0000ffff;       /* 32MB reserved by 
>>>sb1250 */
>>>+       ioport_resource.end = 0xffffffff;       /* 32MB reserved by 
>>>sb1250 */
>>>      
>>>
>>I'm too lazy to dig up the actual numbers from the BCM1250 manuals but
>>it definately does not have 4GB of port address space.
>>    
>>
>
> The doc states low 25 bits are used for I/O addressing, matching the
>comment above (surprise!, surprise!), so I guess the constant sought for
>the bit mask above is 0x01ffffff.  If that turns out to work, I can apply
>an update (can I, Ralf?).
>
>  Maciej
>

Hello !

Honestly, I dont have the manual to determine the port address space 
bits. Hence, I set it to this value to MAX (i.e. 0xffffffff). Probably, 
should have mentioned that when sending the patch. Do you want me to try 
with this value (0x01ffffff) ?

Thanks
Manish Lachwani