[Ltib] Re: the RFS image address problem

[nikam_research]

Hello Neha,

you can use MTD subsytem and do this partition where the RFS image must be loaded and use nand writ.jffs2 command to write rfs at that location ... and then according to that you can change the bootargs ...

> After this if te board is reseted then it is able to boot the board as per our requirement. This time the RFS image is present in the NAND
> Flash and kernel is not using the NFS to bring the board up.

Are you sure at the next reset or reboot nfs is not used ... as I think the nfs is just copying the image to target RAM and executes everything in RAM the same goes for RFS ... so at the next reset or reboot it should use nfs ...

Can you send the printenv log ... perhaps it would be better to answer ... thanks ...

Kind Regards,
Vijay Nikam

-----"Makhija, Neha (IE10)" <address@hidden> wrote: -----

To: "Stuart Hughes" <address@hidden>
From: "Makhija, Neha (IE10)" <address@hidden>
Date: 29/01/2009 11:34AM
cc: "ltibext" <address@hidden>, "Vijay Nikam" <address@hidden>, <address@hidden>
Subject: the RFS image address problem

Hi All

Using ltib, I have generated the kernel image and the RFS image for my
Coldfire board. The RFS image is in jffs2 format and my board first
takes kernel image through tftp and then it gives the control to kernel.
While doing this the parameters are passed saying that it has to take
the RFS image from the NFS (root=/dev/nfs). The kernel takes the image
from NFS and programs it at the location 0x01000000 in the NAND Flash.
After this if te board is reseted then it is able to boot the board as
per our requirement. This time the RFS image is present in the NAND
Flash and kernel is not using the NFS to bring the board up.

Now the requirement is to change this RFS start location to 0x00FFC000.
I have no idea where to change this address in the ltib so that it gets
reflected in the kernel and then kernel is able to program the RFS on
this new location (0x00FFC000) and later on resetting the board, it
should be able to read from that location and start the process as
mentioned in it.

Plz suggest the changes needed for this!!

Thanks and Regards,
Neha

-----Original Message-----
From: Stuart Hughes [mailto:address@hidden]
Sent: Thursday, July 10, 2008 3:50 PM
To: Makhija, Neha (IE10)
Cc: ltibext; Vijay Nikam; address@hidden
Subject: RE: [Ltib] RE: Reg ltib


On Thu, 2008-07-10 at 10:20 +0530, Makhija, Neha (IE10) wrote:
> Hi Stuart
>
> Sorry I confused everything.
>
> Let me tell you again.
> First I tried to enable the native GDB so that the program which is
> debugged is on the system where the gdb is running ie on the target I
> wanted to run native gdb. After configuring with ./ltib -m config and
> selecting the option as
>  -> package list
>       -> gdb
>           -> gdb to run natively on the target
> I gave
>  ./ltib -p gdb
>
> And this generated the gdb exe in the ltib/rpm/BUILD/<GDB->/gdb/gdb
> I copied this gdb on the target board. and then I gave ldd gdb on the
> target board. It showed all the libraries needed for the gdb. One
> library was missing, so I copied it from /ltib/rootfs/lib/ folder to
the
> target board's /lib folder and then when I ran the ./gdb, it gave me
> error saying "BUS ERROR".
>

This is incorrect.  Select 'gdb to run natively on the target' and then
run:

$ ./ltib

This will build all the dependency package *and* install everything
including gdb in rootfs/.... for the target.  You should never need to
copy stuff by hand into the target area.

What platform are you trying to run on and what version of ltib do you
have (was it from an ISO, if so which one)?

Regards, Stuart

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