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Re: Disabling Redboot's PCI scan
- From: Mark Salter <msalter at redhat dot com>
- To: paul dot vangool at rinconnetworks dot com
- Cc: ecos-discuss at sources dot redhat dot com
- Date: Thu, 19 Jun 2003 00:01:05 -0400 (EDT)
- Subject: Re: [ECOS] Disabling Redboot's PCI scan
- References: <20030618142134.GA29442@rinconnetworks.com>
>>>>> Paul van Gool writes:
> Hi,
> I'm using Redboot and Linux on an SH7751 development board. It seems that
> Redboot is assigning resources to the PCI devices it finds. During booting,
> Linux, finds that the devices have already been configured and doesn't
> reassign resources. So the devices end up with the resources assigned by
> Redboot, which are wrong for Linux and I can't talk to the devices.
> Is there any way I can disable this PCI scan in Redboot?
Sure, you could configure RedBoot such that PCI is not supported and
therefore not touched. The best approach might be to have linux reset
the PCI bus then configure it to it's liking. Of course, this assumes
that the hardware supports a PCI reset which is not always the case.
--Mark
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