This is the mail archive of the ecos-discuss@sources.redhat.com mailing list for the eCos project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: using fconfig


On Wed, 2004-08-04 at 08:47, David Lewin wrote:
> Looks like strange :
> 
> is it normal that when doing a fconfig -i, the call of the flash_erase is
> executed
> at the same address that the FIS directory,
> that is to say, if you take in account that :
> 
> Name                  FLASH addr    Mem addr           Length         Entry
> point
> RedBoot             0x01000000     0x01000000    0x00020000  0x00000000
> RedBoot config   0x0107EC00   0x0107EC00    0x00001000  0x00000000
> FIS directory      0x0107F800    0x0107F800     0x00000400  0x00000000
> 
> Boot script timeout (1000ms resolution): 0
> Update RedBoot non-volatile configuration - continue (y/n)? y
>  ... Erase from 0x0107ec00-0x0107fbff: ...
> My Debug string : flash_erase with block: 107f800 / block_size :400
> $T0a0f:00000801;0d:f8050
> 
> does someone knows ?

Look at your configuration - the default is for the 'fconfig' data to
be stored in the same FLASH [erase] block as the FIS directory.

You really should work out how to get ROMRAM mode working.

> .
> ----- Original Message ----- 
> From: "David Lewin" <david.lewin@europe-technologies.com>
> To: "Gary Thomas" <gary@mlbassoc.com>
> Cc: <ecos-discuss@sources.redhat.com>
> Sent: Wednesday, August 04, 2004 2:01 PM
> Subject: Re: [ECOS] using fconfig
> 
> 
> > thanks gary,
> >
> > I tried it and this compiled Redboot to be in such a way that it didn't
> > start at all.
> >
> > Therefore, for me, it enforce the idea that the Flash driver seems to be
> > executed in
> > RAM .
> >
> > ----- Original Message ----- 
> > From: "Gary Thomas" <gary@mlbassoc.com>
> > To: "David Lewin" <david.lewin@europe-technologies.com>
> > Cc: <ecos-discuss@sources.redhat.com>
> > Sent: Wednesday, August 04, 2004 12:28 PM
> > Subject: Re: [ECOS] using fconfig
> >
> >
> > > On Wed, 2004-08-04 at 03:28, David Lewin wrote:
> > > > The facts :
> > > > I'm workin in flash with an ARM processor.
> > > >
> > > > the fis init is working ok, I can see
> > > > -Redboot
> > > > - Redboot config
> > > > - FIS directory
> > > >
> > > > directories that have been created.
> > > >
> > > > My question is :
> > > >
> > > > what can make a fconfig -i crashing redboot[ROM] when I try
> > > > to create a new config ?
> > > > while debugging in RAM (insight & gdb dislike Flash debugging)
> > > > is ok to create my config.
> > >
> > > Check that the FLASH drivers you use are ROM-friendly.  In other
> > > words, while you are writing to the FLASH, you can't be executing
> > > from it at the same time.
> > >
> > > Note: probably the easiest way around this is to run RedBoot
> > > in ROMRAM mode instead.
> > >
> > > -- 
> > > Gary Thomas <gary@mlbassoc.com>
> > > MLB Associates
> > >
> > >
> > > -- 
> > > Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
> > > and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
> >
> >
> > -- 
> > Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
> > and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
-- 
Gary Thomas <gary@mlbassoc.com>
MLB Associates


-- 
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]