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Re: e7t ROM startup



gdb stubs on AEB work from the ARM bootloader
doesn't it? and do gdbstubs on E7T work from there as well?

the move to getting redboot working shouldn't be that big..

or is the E7T bootloader so different from the AEB?
Dave.


On Thu, 27 Sep 2001, Jesper Skov wrote:

>
> [remember to CC the list!]
>
> >>>>> "Simon" == Simon  <simoncc@ms46.url.com.tw> writes:
>
> Simon> right, JTAG is neccesary.  I have two plateforms with the same
> Simon> chip.  one is e7t and the other is SMC7004ABR.  I have put
> Simon> redboot into SMC3004ABR.  such that I got two network
> Simon> interfaces and one super I/O interface and enough memories for
> Simon> my work.  it's quite good.  if not having JTAG tool, I am
> Simon> trying to find out a solution to upload and replace with
> Simon> redboot.
>
> OK, no JTAG. I see two options then:
>
>  o Add flash support to RedBoot and tell it to leave the first 64kB
>    alone. Then use a RedBoot script to load a flash image to RAM and
>    start it.  This requires that there's enough space in flash for
>    both the Boot Monitor, RedBoot, and the app.
>
>    You also risk bricking the board since you have no means of
>    reprogramming the flash if you accidently trash the Boot Monitor.
>
>  o Get the modules stuff working.
>
> I'd obviously go for the latter, being less risky, but I can't really
> help you with the problem (without you getting a contract - and it
> would probably be much too expensive).
>
> We don't support general ROM startup on the E7T (or the AEB) because
> it's such a tedious process to get it working. I suggest you either
> ask ARM for guidance or find another development platform if you need
> the ROM startup.
>
> Jesper
>

-- 
      David Airlie, Software Engineer, Parthus Technologies plc.,
       Mary Rosse Centre, National Tech Park, Limerick, Ireland.
   t: +353-61-508116 / f: +353-61-508101 / David.Airlie@parthus.com


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