Michael,
thanks, now it's clear! I created partition table ,assigned the
types, put in kernel and init ram disk images and it boots fine. You
really need to work on documentation.
Best regards,
Petr
--- In ts
"Michael Schmidt" <> wrote:
>
>
> On Wed, January 9, 2008 11:11 am, phrasky wrote:
> > Hi Michael,
> >
> > so the partitions 1,2,3 have to be 4MB at all times?
>
> No, there isn't any reason why they can't be a different size.
But of
> course they need to be large enough to hold the images you want to
put on
> them.
>
> (Note: partition 1 on the 7800 is different from partition 1 on
earlier
> boards... it is a VFAT partition for ease of transfering files
to/from
> windows e.g. using eclipse. But on the 512MB SD cards this
partition is
> only 4MB; only the 2GB SD cards it is much larger, and contains
> documentation and whatnot.
>
> > Would it be possible to create own MBR and so for example have
only
> > three patitions, with kernel, init ramdisk and rootfs, with any
size
> > split?
>
> There is something about the way everything got set up that I
think would
> cause this to fail, but I don't remember off the top of my head
what it
> is. On older boards the bootrom would just look at partition
types. But
> for the 7800 you should have part1=don't care, part2=kernel (type
0xda),
> part3=initrd (type 0xda), part4=rootfs.
>
> >
> > Best regards,
> >
> > Petr
>
>
> ______ Best Regards,
> |__ __/ Michael Schmidt
> || Software Engineer
> ||echnologic Systems (EmbeddedARM.com)
> || (480) 16610 East Laser Drive #10
> |/ 837-5200 Fountain Hills, AZ 85268
> http://oz.embeddedarm.com/~michael
>
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