Re: MPC5554 gdb problem

Thanks for the info. 

I wrote a small program that is loaded in internal SRAM and I run 
it to enable all the required TLBs, then I load my program.

Robert

>
> I can't help you with gdb, but I can suggest two alternatives:
>  
> 1) let the BAM code run and it will setup the MMU default values
> allowing you to see the peripheral bridges.  To do this, allow the PC to
> go to its reset value of 0xfffffffc, issue a 'go' command from your
> debugger, then a 'stop'.  The BAM should have executed and setup the
> MMU, however it may also have set the watchdog so you may only get about
> 20seconds before the part resets.
>  
> 2) Go to freescale.com and get onto the MPC5554 web page.  Download the
> GAP utility.  This is an easy to use, free, assembler level debugger
> from Freescale and has buttons to allow you to setup the mmu, init SRAM,
> etc.  It won't help you run with gdb, but is a possible alternative and
> includes simple scripting, memory windows, s-record download, etc. If
> you want flash program, download the flasher utility while you're at it.
> Both of these tools are compatible with P&E paralel and USB wigglers
> plus the Magraigor parallel wiggler.
>  
> - Allan
> 
> ________________________________
> 
> From: [email protected] [mailto:[email protected]] On Behalf
> Of Robert Morin
> Sent: Friday, September 08, 2006 10:42 AM
> To: [email protected]
> Subject: [MPC500] MPC5554 gdb problem
> 
> 
> 
> Hi everyone,
> 
> I am trying to access Bridge A register with gdb and a jtag but it's not
> working. For what I can see, I need to program the TLBs. It's possible
> to load
> MAS0..4 but there is no way to execute the "tlbwe" except by loading a
> program
> in internal SRAM and then executing it.
> 
> I check and with Trace32 and Probe, there is a special instruction
> called "tlbwe
> ...." instruction to do it. Any way to do it with gdb ?
> 
> Thanks.
> 
> 
> 
>  
> 
> 
> [Non-text portions of this message have been removed]
>







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