From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gerhard Jaeger Date: Wed, 30 Nov 2005 08:43:22 +0100 Subject: [U-Boot-Users] IceCube MPC5200 PCI crash - need help In-Reply-To: <47F3F98010FF784EBEE6526EAAB078D1C05EE2@tq-mailsrv.tq-net.de> References: <47F3F98010FF784EBEE6526EAAB078D1C05EE2@tq-mailsrv.tq-net.de> Message-ID: <200511300843.22210.g.jaeger@sysgo.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Wednesday 30 November 2005 08:25, Martin Krause wrote: > Hi Nick, > > ndrooght at cadlink.com wrote on : > > I am using the IceCube MPC5200 evaluation board from Freescale. Uboot > > 1.1.4 is operational on the board. > > With no PCI card install, I get the following on startup: > > > > PCI: Bus Dev VenId DevId Class Int > > 00 1a 1057 5803 0680 00 > > In: serial > > Out: serial > > Err: serial > > Net: FEC ETHERNET > > > > When I plug in a PCI card, the board crashes with the following > > message: > > > > PCI: Bus Dev VenId DevId Class Int > > Bus Fault @ 0x03fa3cc0, fixup 0x00000000 > > Machine check in kernel mode. > > Caused by (from msr): regs 03f4fd20 Unknown values in msr > > NIP: 03FA3CC0 XER: 00000000 LR: 03FA3CB4 REGS: 03f4fd20 TRAP: 0200 > > DAR: 20446576 > > MSR: 00003000 EE: 0 PR: 0 FP: 1 ME: 1 IR/DR: 00 > > > > Has anyone else come across this problem? If you had, what can be > > done > > Is your PCI card a real 3,3 V card? The IceCube (Lite5200) board > only supports 3,3 V cards. No 5,0 V cards and no 3,3 V/5 V mixed > cards are allowed. > Because of an unfurtunate design of the Lite5200 board it is > possible to plug in a 5 V PCI card in reverse direction into the > 3,3 V coded PCI receptacle. > You are right, but in the "reverse" case you probably won't see the "machine check", you probably see some smoking signs of the board :( It turned out that even if you have a 3.3V card it must not necessarily work. I only managed to make some Intel NICs work. Ciao, Gerhard Gerhard Jaeger SYSGO AG Embedded and Real-Time Software www.sysgo.com | www.elinos.com | www.pikeos.com | www.osek.de