[U-Boot-Users] Debugging U-boot with BDI-2000 on MPC8349

[Ben Warren]

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