From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felix Radensky Date: Tue, 15 Dec 2009 09:30:26 +0200 Subject: [U-Boot] Problem with transparent PCI-PCI bridge on Canyonlands In-Reply-To: <4B216F9D.3050009@embedded-sol.com> References: <4B1FE62C.7080407@embedded-sol.com> <2B3B2AA816369A4E87D7BE63EC9D2F2608922150@SDCEXCHANGE01.ad.amcc.com> <4B216F9D.3050009@embedded-sol.com> Message-ID: <4B273B12.1030608@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 Feng, Stefan Can I do anything else to help you identify the problem ? 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 > ... > > Felix. > >> Feng Kan >> AMCC Software >> >> -----Original Message----- >> From: u-boot-bounces at lists.denx.de [mailto:u-boot-bounces at lists.denx.de] >> On Behalf Of Felix Radensky >> Sent: Wednesday, December 09, 2009 10:02 AM >> To: u-boot at lists.denx.de; Stefan Roese >> Subject: [U-Boot] Problem with transparent PCI-PCI bridge on Canyonlands >> >> Hi, >> >> I'm running latest u-boot on 1GHz Canyonlands board and have trouble >> using 64-bit transparent PCI-PCI PLX 6254 bridge. With PLX evaluation >> board plugged into Canyonlands PCI slot u-boot hangs. With PCI support >> disabled u-boot works fine. The PLX board is OK, it was recognized by >> both u-boot and kernel on Freescale MPC8536DS board. On Canyonlands >> linux-2.6.32 silently resets the board when PLX is plugged in. Any ideas >> what could be wrong in u-boot ? I'll post a separate question to >> linuxppc-dev. >> >> U-Boot 2009.11-rc2-00002-g386118a (Dec 09 2009 - 18:48:44) >> >> CPU: AMCC PowerPC 460EX Rev. A at 1000 MHz (PLB=200 OPB=100 EBC=100) >> Security/Kasumi support >> Bootstrap Option H - Boot ROM Location I2C (Addr 0x52) >> Internal PCI arbiter enabled >> 32 kB I-Cache 32 kB D-Cache >> Board: Canyonlands - AMCC PPC460EX Evaluation Board, 2*PCIe, Rev. 14 >> I2C: ready >> DRAM: 512 MB (ECC not enabled, 400 MHz, CL3) >> FLASH: 64 MB >> NAND: 256 MiB >> PCI: Bus Dev VenId DevId Class Int >> >> >> Thanks a lot. >> >> Felix. >> >> _______________________________________________ >> U-Boot mailing list >> U-Boot at lists.denx.de >> http://lists.denx.de/mailman/listinfo/u-boot >> >> > > _______________________________________________ > U-Boot mailing list > U-Boot at lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot >