How to turn off MMU in MPC8540

4 messages, 4 authors, 2006-08-30 · open the first message on its own page

How to turn off MMU in MPC8540

From: Reddy Suneel-ASR125 <hidden>
Date: 2006-08-30 06:25:34 

Hi
 
Can anyone know how to turn off MMU in MPC8540?
 
Thanks&regards
Suneel

RE: How to turn off MMU in MPC8540

From: Li Yang-r58472 <hidden>
Date: 2006-08-30 06:31:18 

-----Original Message-----
From:=20
linuxppc-embedded-bounces+leoli=3Dfreescale.com@ozlabs.org=20
[mailto:linuxppc-embedded-bounces+leoli=3Dfreescale.com@ozlabs.o
rg] On Behalf Of Reddy Suneel-ASR125
Sent: Wednesday, August 30, 2006 2:25 PM
To: linuxppc-embedded@ozlabs.org
Subject: How to turn off MMU in MPC8540
=20
Hi
=20
Can anyone know how to turn off MMU in MPC8540?
I heard that it can't be turned off on e500.

RE: How to turn off MMU in MPC8540

From: Liu Dave-r63238 <hidden>
Date: 2006-08-30 06:31:50 

Turn off MMU of e500? hmmm...
Do you want to get real address space?
You can emulate this.
 
-DAve


________________________________

	From: linuxppc-embedded-bounces+daveliu=freescale.com@ozlabs.org
[mailto:linuxppc-embedded-bounces+daveliu=freescale.com@ozlabs.org] On
Behalf Of Reddy Suneel-ASR125
	Sent: Wednesday, August 30, 2006 2:25 PM
	To: linuxppc-embedded@ozlabs.org
	Subject: How to turn off MMU in MPC8540
	
	
	Hi
	 
	Can anyone know how to turn off MMU in MPC8540?
	 
	Thanks&regards
	Suneel

Re: How to turn off MMU in MPC8540

From: Kumar Gala <hidden>
Date: 2006-08-30 13:31:51 

On Aug 30, 2006, at 1:25 AM, Reddy Suneel-ASR125 wrote:

Hi

Can anyone know how to turn off MMU in MPC8540?
You can not turn the MMU off on the MPC8540 or any e500 based  
product.  You can emulate a 1:1 mapping if you so desire by  
preloading TLBs.

- kumar
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