From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mo-p05-ob.rzone.de (mo-p05-ob.rzone.de [81.169.146.181]) (using TLSv1 with cipher EDH-RSA-DES-CBC3-SHA (168/168 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id AEF73B6EFF for ; Thu, 15 Apr 2010 20:59:50 +1000 (EST) From: Stefan Roese To: linuxppc-dev@lists.ozlabs.org Subject: Re: Resetting PCI-E devices after linux boot Date: Thu, 15 Apr 2010 12:59:27 +0200 References: <4BAC0D4B.3030507@fulcrummicro.com> <1271283923.13059.150.camel@pasglop> In-Reply-To: <1271283923.13059.150.camel@pasglop> MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Message-Id: <201004151259.27680.sr@denx.de> Cc: Jake Magee , Dan Wilson List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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