From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerry Van Baren Date: Thu, 14 Sep 2006 15:39:24 -0400 Subject: [U-Boot-Users] Debugging U-boot with BDI-2000 on MPC8349 In-Reply-To: <1158261618.16415.68.camel@saruman.qstreams.net> References: <1158259973.16415.63.camel@saruman.qstreams.net> <4509A611.6000002@freescale.com> <1158261618.16415.68.camel@saruman.qstreams.net> Message-ID: <4509AFEC.6090904@smiths-aerospace.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Ben Warren wrote: > Thanks Timur, > > On Thu, 2006-09-14 at 13:57 -0500, Timur Tabi wrote: >> Ben Warren wrote: >>> Hello, >>> >>> Has anybody been able to successfully single step through U-boot code on >>> an MPC8349 CPU using a BDI-2000? >> I've attached two config files. One can be used to flash the 9349E-mITX, and the other can be used to debug it. >> >> The flash-enabled one programs a bunch of registers that wake up the flash chip. Unfortunately, when using this config, U-boot hangs somewhere in start.S. I'm probably programming the board just differently enough to confuse U-Boot. >> >> The other config programs nothing, which gives U-Boot a clean slate to program. >> > The config I use to debug is much like your second one. In general, > less is more. >> I presume it should be possible to create a "unified" config that works in both situations, but I haven't had the time to try it. >> >> I've never used GDB with the BDI. > > I've used it with Linux drivers and it's really very slick. I imagine > it would be excellent with U-boot too, if I could get it to work in code > other than start.S. > > regards, > Ben Have you tried the FAQ "10.1.2. Debugging of U-Boot After Relocation"? gvb