From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from web50805.mail.yahoo.com (web50805.mail.yahoo.com [206.190.38.114]) by ozlabs.org (Postfix) with SMTP id 8F55867D4E for ; Mon, 13 Nov 2006 17:20:37 +1100 (EST) Date: Sun, 12 Nov 2006 22:20:35 -0800 (PST) From: bharathi kandimalla Subject: TLB LOCKING To: linuxppc-embedded@ozlabs.org MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-2115377397-1163398835=:26310" Message-ID: <314783.26310.qm@web50805.mail.yahoo.com> List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --0-2115377397-1163398835=:26310 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Hi I came to know, with the MMU always being enabled it is not possible for the processor to access instructions and data using a physical addressing during excetion processing 1.Now I want to lock some I/o memory.? (loading locked TLB ENTRIES) after MMu_init How to do it in the kernel? 2. Is it possible to completely disable the MMU for MPC860T IN LINUX 2.4.20 and use it for custom board thanks bharathi --------------------------------- Everyone is raving about the all-new Yahoo! Mail beta. --0-2115377397-1163398835=:26310 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: 8bit
 Hi
  I came to know, with the MMU always being enabled
  it is not possible for the processor to access instructions and data
  using a physical addressing during excetion processing
 
  1.Now I want to lock some I/o memory.? (loading locked TLB  ENTRIES) after MMu_init
  How to do it in the kernel?

  2. Is it possible to completely disable the MMU for MPC860T IN LINUX 2.4.20
   and  use it for custom board

   thanks
   bharathi
 

Everyone is raving about the all-new Yahoo! Mail beta. --0-2115377397-1163398835=:26310--