AW: [U-Boot-Users] Bug in AT91RM9200: icache not enabled!

Martin Krause Martin.Krause at tqs.de
Mon Mar 14 08:41:41 CET 2005


Hi Steven,

u-boot-users-admin at lists.sourceforge.net wrote on :
> Hi,
> 
> > > while finding out why the loading of my FPGA takes so long with
> > > the latest CVS version of U-Boot I noticed that the icache for
> > > the AT91RM9200 is not enabled although icache_enable() is called
> > > in cpu/at91rm9200/start.S: 
> 
> > > Please comment on this. I am willing to sent appropriate patches.
> > 
> > Please send a patch so I can test how it works.
> 
> * Patch by Steven Scholz, 13 March 2005:
>    fix cache enabling for AT91RM9200

Your Patch works great for me. Boot time is now about 8 sec faster :-).
I always wondered why kernel uncompressing tooks so long, but I only
checked that icache_enable() is called and not if the correct bits are
set ...

Tanks,
Martin




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