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

[Stefan Roese]

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.

Best regards,
Stefan

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