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From: xhf1999@y...
Date: Fri, 31 Oct 2003 03:46:53 +0100
Subject: Re: [openrisc] or1k, ram, rom

Hi, 
i have the Address Space question too.

thanks.

----- Original Message ----- 
From: christian@m...  
To: openrisc@o...  
Date: Thu, 30 Oct 2003 19:49:52 +0100 
Subject: [openrisc] or1k, ram, rom 

> 2. 
> Address Space 
> 0xf000_0000 - 0xffff_ffff Cached 256MB ROM 
> ...
> 0x0000_0000 - 0x3fff_ffff Cached 1GB RAM 
> 
> By reading some mails in this forum, the or1200 cpu reads, after 
> reset, 
> the address 0x100 in rom space (in flash area).  So, In fact, it 
> has to 
> read the instructions from 0xf0000100?  How is that possible?  How 
> the 
> address can be mapped into flash area?  Is there any decoder that i 
> don't know? 
>