On Thu, May 14, 2009 at 4:34 PM, Paul Thomas <pthomas8...@gmail.com> wrote:
> On Thu, May 14, 2009 at 4:29 PM, Øyvind Harboe <oyvind.har...@zylin.com>wrote: > >> On Thu, May 14, 2009 at 11:56 PM, Paul Thomas <pthomas8...@gmail.com> >> wrote: >> > Hello, >> > >> > I'm trying to use the load_image command, and it keeps giving me an >> error. I >> > know the command syntax is correct because this works on a different >> imx27 >> > board. I would think it's just my SDRAM initilization except that I can >> > read/write to the memory with mww and mdw. You can see the full output >> > (debug = 3) here (http://pastebin.com/m69f2aae3). I'm trying to load a >> 16.9k >> > redboot image. I just updated SVN to 1787. I'm using the Signalyzer for >> > Xverve and the cfg file I just sent to the list. >> >> This is an old problem I've seen with arm926ejs before. >> You could try to tinker with the interpretation of this value in: >> >> int arm926ejs_examine_debug_reason(target_t *target) >> >> You can read up on arm926ejs documentation, but chances >> are that these values are undocumented.... >> >> Example of such tinkering in attached patch.... >> >> -- >> Øyvind Harboe >> Embedded software and hardware consulting services >> http://consulting.zylin.com >> > > OK, I think I figured this out. mww and mdw only work to for the first 32k > and the redboot image is 169k not 16.9k. Well into SDRAM register fun. > > thanks, > Paul > Never mind, mdw and mww _do_ work for at lest 192k. Although my memory test isn't very robust. It's only writing the same values to the first 100 words of each 4k. I'll work on a better memtest next. thanks, Paul
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