Hi Edgar ,
> > Thank you for your reply.
> >
>=20
> Please add the list in your reply, so everybody can benefit.
I did
>=20
> >
> >> > I need to make some tests with Flash and SDRAM writing/reading via J=
TAG.
> >> > That is a reason why I need to find out a physical address range.
> >>
> >> Depending on your architecture, the bootloader most likely takes care =
of:
> >> - configure the SDRAM controller
> >> - remapping the memory addresses ranges, if necessary and supported
> >> - loading the linux kernel into RAM.
> >>
> >> If you have access to the sources of the bootloader, it might be easy
> >> to get some decent comments out of it.
> > Unfortunately not.I do not have access to the sources of the bootloader
> >
>=20
> Aren't you running UBoot, by any chance?
I was told it should be but not sure,How can I check that  it is UBoot?


>=20
> >> Also, if you want to perform your JTAG tests before the bootloader has
> >> been run, then you need to setup the memories yourself, via config
> >> scripts for OpenOCD.
> > I would like to =A0 perform the =A0JTAG tests both before the bootloade=
r has
> > =A0been run and after as well.
> > Can you provide more details how to setup config scripts?
>=20
> Try to see if there is an existing config script very close to your
> hardware. Start with that and the datasheet for the CPU, SDRAM and
> FLASH and poke in the proper settings. Pretty tedious work.
>=20
> >> > Any further idea?
> >>
> >> What hardware platform are you trying to get tested?
> > Linux embeded system with MIPS, Broadcom CPU 7401
>=20
> Is this on a development board, or a custom one? If it's a common
> board, somebody else might have done the work for you.
It is a satelite board with Broadcom CPU (MIPS)


Thanks for help
L.

> If it's custom,
> you can trace how the bootloader ended up in the flash, most likely it
> happen via JTAG and you can get your hands on the config scripts. If
> none of this works, try looking in UBoot source code at the same time
> with the datasheet of the CPU, SDRAM and flash, most likely things
> will click in place.
>=20
> Edgar
>=20
> > Thanks for help
> > L
> >
> >>
> >> Edgar
> >>
> >> > Thanks
> >> >
> >> >
> >> >
> >> >
> >> >> Then use dmesg or cat /var/log/messages.
> >> >> Vaclav
> >> >> --
> >> >>
> >> >> Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de> napsal(a):
> >> >>
> >> >> >>>>> "CeDeROM" =3D=3D CeDeROM <cederom@tlen.pl> writes:
> >> >>
> >> >> CeDeROM> On Wed, Feb 1, 2012 at 9:45 AM, <jana1972@centrum.cz> wrot=
e:
> >> >> >> I have a Linux embeded =A0device that consists CPU, BIOS,FLASH a=
nd
> >> >> >> SDRAM. Is there any way how to determine the =A0memory address r=
ange
> >> >> >> for BIOS, flash and SDRAM?
> >> >>
> >> >> CeDeROM> Start Linux and see dmesg output :-)
> >> >>
> >> >> Hey, most distributions now show pretty picture when booting and no=
t such
> >> >> useless information :-(
> >> >> --
> >> >> Uwe Bonnes bon@elektron.ikp.physik.tu-darmstadt.de
> >> >>
> >> >> Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
> >> >> --------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
> >> >>
> >> >> _____________________________________________
> >> >>
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> >> >> _____________________________________________
> >> >>
> >> >> OpenOCD-devel mailing list
> >> >> OpenOCD-devel@lists.sourceforge.net
> >> >> https://lists.sourceforge.net/lists/listinfo/openocd-devel
> >> >>
> >> >>
> >> >
> >> >
> >> >
> >> > --------------------------------------------------------------------=
----------
> >> > Keep Your Developer Skills Current with LearnDevNow!
> >> > The most comprehensive online learning library for Microsoft develop=
ers
> >> > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, M=
VC3,
> >> > Metro Style Apps, more. Free future releases when you subscribe now!
> >> > http://p.sf.net/sfu/learndevnow-d2d
> >> > _______________________________________________
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> >> > OpenOCD-devel@lists.sourceforge.net
> >> > https://lists.sourceforge.net/lists/listinfo/openocd-devel
> >
> >



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