[U-Boot] JFFS2 with NAND flash is very SLOW ...

[Jean-Christophe PLAGNIOL-VILLARD]

On 15:59 Tue 02 Jun     , Stefan Roese wrote:
> On Tuesday 02 June 2009 15:56:25 Pierre Savary wrote:
> > In fact it is not better with this config:
> > #define CONFIG_ICACHE_ON
> > #define CONFIG_DCACHE_ON
> > #define CONFIG_SYS_DCACHE_SIZE          32768
> > #define CONFIG_SYS_ICACHE_SIZE          32768
> > #define CONFIG_SYS_CACHELINE_SIZE       32
> >
> > My architecture is arm926ejs and it seems that CACHE management is not
> > implemented...
> >
> > I just measure a load of uImage (2MB) ... it takes more than 2 minutes :-(
> 
> Yes, this is really slow. Jean-Christophe will be able to tell us if caches 
> are supported on this platform in U-Boot.
I've not yet find time to implement the MMU support for arm (needed for
D-Cache support), I've plan to add it for the next release (not for this next
merge window)

I-Cache is supported

but 2 mins is really slow, could show us your code?

Best Regards,
J.