From: Manish Lachwani <mlachwani@mvista.com>
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
Date: Thu, 14 Oct 2004 15:20:27 -0700 [thread overview]
Message-ID: <416EFBAB.8050600@mvista.com> (raw)
In-Reply-To: <Pine.LNX.4.58L.0410142305380.25607@blysk.ds.pg.gda.pl>
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
next prev parent reply other threads:[~2004-10-14 22:20 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-14 2:23 [PATCH]PCI on SWARM Manish Lachwani
2004-10-14 19:17 ` Ralf Baechle
2004-10-14 22:14 ` Maciej W. Rozycki
2004-10-14 22:20 ` Manish Lachwani [this message]
2004-10-14 22:32 ` Maciej W. Rozycki
2004-10-14 22:55 ` Ralf Baechle
2004-10-15 2:19 ` Maciej W. Rozycki
2004-10-18 8:44 ` Jes Sorensen
2004-10-18 19:15 ` Ralf Baechle
2004-10-20 5:56 ` Jes Sorensen
2004-10-20 11:34 ` Ralf Baechle
2004-10-18 20:17 ` Maciej W. Rozycki
2004-10-20 5:57 ` Jes Sorensen
2004-10-20 11:17 ` Ralf Baechle
2004-10-15 1:14 ` Manish Lachwani
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