Re: [U-Boot-Users] PXA (XScale) memory layout

On Thu, Sep 11, 2003 at 04:02:52PM +0200, Anders Larsen wrote:

is there any particular reason why the PXA uses a different memory layout than the other ARMs?

The boards I have ported use the memory layout which is documented in the README. Unfortunately, due to historical reasons the old ARMboot code uses another scheme and nobody had the time to fix this "the right way".

It seems to be causing a certain amount of grief (and dirty workarounds, like e.g. in board/wepep250/wepep250.c lines 43..53) that cpu/pxa/start.S places stack (and heap) below the code instead of above.

My -ptx patches have a hack for this, but I agree with Wolfgang that somebody should fix it correctly instead of applying workarounds...

Robert