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

Wolfgang Denk wd at denx.de
Sun Mar 13 19:39:07 CET 2005

In message <4234639D.9090607 at imc-berlin.de> you wrote:
> * Patch by Steven Scholz, 13 March 2005:
>    fix cache enabling for AT91RM9200

Seems to work fine for me.

> Please remove the line
> 	orr     r0, r0, #0x00000004     @ set bit 3 (C) D-Cache
> if we don't need the data cache for the AT91RM9200. I am not sure if they will 
> help for CRCs or unzipping...

I don't see any obvious effect with or without  this  line  regarding
time needed for CRC or unzip. Why should we remove it?

Best regards,

Wolfgang Denk

Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Physician: One upon whom we set our hopes when ill and our dogs  when
well.                                                - Ambrose Bierce

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