In message <[EMAIL PROTECTED]> you wrote:
>
> I would like to know if this is possible to port U-Boot, Linux and an 
> initrd image on a board with 4MB of SDRAM ?

In Theory it may be possible, but just for very tiny demo
applications. Probably not for a useful device.

> When Linux try to boot, there is this line on the terminal :
> "Memory : 2036k available (1036k kernel code, 256k data, 80k init, 0k 
> highmem)"
> So I have 2036k memory available for my initrd image but I don't know if this 
> is suffisant.

Note that a ramdisk is NOT an efficient way to use memory. See fro
example http://www.denx.de/wiki/view/DULG/RootFileSystemSelection
which shows that for example a cramfs image is not only faster to boot
but also needs less RAM.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [EMAIL PROTECTED]
Keep your head and your heart going in the right  direction  and  you
will not have to worry about your feet.
_______________________________________________
Linuxppc-embedded mailing list
Linuxppc-embedded@ozlabs.org
https://ozlabs.org/mailman/listinfo/linuxppc-embedded

Reply via email to