[U-Boot-Users] RAM mapping repeats

Wolfgang Denk wd at denx.de
Wed May 10 00:13:30 CEST 2006

In message <200605092249.11586.antonio.dibacco at aruba.it> you wrote:
> I have 16MB of RAM (0x01000000) then I specified BR2=0x0000xxxx and 
> OR2=0xFE000000 . Obviously if I write at 1000000 is the same as I write at 
> 0x00000000. That is, the memory repeats in the space address. This doesn't 
> seem good to me because I will not receive any bus error if go to an address 
> higher than my RAM size. Am I wrong? 

Why do you set OR2 to this value then, after you know it is wrong?

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
Live long and prosper.
	-- Spock, "Amok Time", stardate 3372.7

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