From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felix Radensky Date: Tue, 15 Dec 2009 14:42:36 +0200 Subject: [U-Boot] Problem with transparent PCI-PCI bridge on Canyonlands In-Reply-To: <200912151010.20098.sr@denx.de> References: <4B1FE62C.7080407@embedded-sol.com> <4B216F9D.3050009@embedded-sol.com> <4B273B12.1030608@embedded-sol.com> <200912151010.20098.sr@denx.de> Message-ID: <4B27843C.3060103@embedded-sol.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi, Stefan Stefan Roese wrote: > Felix, > > On Tuesday 15 December 2009 08:30:26 Felix Radensky wrote: > >> Can I do anything else to help you identify the problem ? >> > > Do you have other PPC4xx boards, in which you could test this PCI-PCI bridge > board? > No, I don't. > Some other comments below. > > >> Thanks. >> >> Felix. >> >> Felix Radensky wrote: >> >>> Hi, >>> >>> Feng Kan wrote: >>> >>>> Can you turn on the additional debug information. That will give a >>>> better >>>> Clue as to what part is hanging. >>>> >>> I've enabled debugging in drivers/pci/pci.c. I'm seeing an infinite flow >>> of messages >>> >>> PCI: Bus Dev VenId DevId Class Int >>> PCI Scan: Found Bus 0, Device 6, Function 0 >>> PCI Scan: Found Bus 1, Device 6, Function 0 >>> ... >>> PCI Scan: Found Bus 255, Device 6, Function 0 >>> PCI Scan: Found Bus 0, Device 6, Function 0 >>> PCI Scan: Found Bus 1, Device 6, Function 0 >>> ... >>> > > Strange to see an infinite loop here. I suggest you debug, why > pci_hose_scan_bus() is called endlessly. Hard to guess without access to such > a board. > OK, thanks. I'll look into it. Felix.