[ECOS] Porting to custom board from evaluation kit.

Andrew Lunn andrew@lunn.ch
Wed Apr 12 07:01:00 GMT 2006

On Tue, Apr 11, 2006 at 10:00:18PM -0400, Steve Thomas wrote:
> Hello,
> I need some help in porting my software to a new board.
> I was given a reference board and the associated software with that.
> I have to port this software to another board that runs the same processor.
> The instructions say that there few ways. One of which is using
> BDI2000. I don't have a BDI2000. Other methods involve using two files
> rfs and zImage and nfs mount.
> I am assuming zImage is the kernel that I build and rootfilesystem is
> the root file system (of course).
> I was able to generate the zImage by compiling the kernel and doing a
> make zImage.
> Is this what I have to transfer?
> But I am not sure what contents are present in the rootfilesystem file.
> I contacted the company who wrote the software for the baord but am
> still awaiting response from them.
> The board that I got and the one I am trying to port has the same
> amount of flash. 64MB.
> I partitioned the flash exactly as the reference board using fis
> create at the redboot prompt.
> I know another way of doing this is to create a ramdisk. I tried to
> bundle all the sw (including /proc) from the reference evaluation kit
> into ramdisk.gz and tried to load and exec it. After loading, I don't
> see anything on the serial. I did make sure I gave the option
> console=/dev/ttyS0 but don't see anything on the serial.
> My question is what does this rootfilesystem contain exactly? Does
> this contain exclusive software of the miniPCI card drivers (which is
> also present in the evaluation kit)? or the whole file system tree (/)
> similar to the ramdisk?
> Any help is appreciated.

You should be asking this on a Linux mailling list, not the eCos
mailling list. This has nothing to do with eCos.


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