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

Steven Scholz steven.scholz at imc-berlin.de
Sun Mar 13 17:00:29 CET 2005


>>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

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...

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