From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from az33egw02.freescale.net (az33egw02.freescale.net [192.88.158.103]) by ozlabs.org (Postfix) with ESMTP id B372167AC7 for ; Tue, 26 Apr 2005 07:40:00 +1000 (EST) In-Reply-To: <052201c549db$37e8b430$2f010a0a@foundation.com> References: <052201c549db$37e8b430$2f010a0a@foundation.com> Mime-Version: 1.0 (Apple Message framework v619.2) Content-Type: text/plain; charset=ISO-8859-1; format=flowed Message-Id: <9380e411aa15fa62ab142301af963314@freescale.com> From: Kumar Gala Date: Mon, 25 Apr 2005 16:39:56 -0500 To: "Stuart Yoder" Cc: linuxppc-embedded@ozlabs.org Subject: Re: PowerPC + SMP List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Apr 25, 2005, at 4:10 PM, Stuart Yoder wrote: > Hi. > =A0 > I am trying to figure out where in the PowerPC kernel the HID1=20 > register is updated to enable bits dealing with cache coherency in an=20= > SMP system.=A0=A0 Grepping through the arch/ppc source does not reveal=20= > much. > =A0 > I have=A0two 7447A processors and somewhere the ABE and SYNCBE bits in=20= > HID1=A0need to be turned on to enable cache coherency.=A0=A0 Is = supposed to=20 > happen in the bootloader prior to the kernel running?? The expectation is that the bootloader normally handles such things. - kumar