From: Stefan Roese <sr@denx.de>
To: linuxppc-dev@lists.ozlabs.org
Cc: Jake Magee <jakemagee@gmail.com>, Dan Wilson <dwilson@fulcrummicro.com>
Subject: Re: Resetting PCI-E devices after linux boot
Date: Thu, 15 Apr 2010 12:59:27 +0200 [thread overview]
Message-ID: <201004151259.27680.sr@denx.de> (raw)
In-Reply-To: <1271283923.13059.150.camel@pasglop>
Hi Ben,
On Thursday 15 April 2010 00:25:23 Benjamin Herrenschmidt wrote:
> It should be possible to get that working, but I suspect not without
> some code changes. I know the current PCIe hotswap driver has ACPI hooks
> that would need to be replaced by appropriate hooks into the powerpc
> code to perform the right resource manipulation etc...
>
> We do PCIe hotswap on IBM pSeries, but this is using specific FW
> interfaces for which we have a dedicated PCI hotplug driver.
>
> Can the slot power be SW controlled on the Canyonlands PCIe slot ?
No. I just checked the schematics. PCIe power supply is directly connected to
the board power supplies.
Cheers,
Stefan
prev parent reply other threads:[~2010-04-15 10:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-26 1:26 Resetting PCI-E devices after linux boot Dan Wilson
2010-04-14 13:55 ` Jake Magee
2010-04-14 22:25 ` Benjamin Herrenschmidt
2010-04-15 10:59 ` Stefan Roese [this message]
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