From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Thu, 04 May 2006 18:28:09 +0100 (BST) Received: from rtsoft2.corbina.net ([85.21.88.2]:55972 "HELO mail.dev.rtsoft.ru") by ftp.linux-mips.org with SMTP id S8133518AbWEDR1z (ORCPT ); Thu, 4 May 2006 18:27:55 +0100 Received: (qmail 29110 invoked from network); 4 May 2006 21:32:56 -0000 Received: from wasted.dev.rtsoft.ru (HELO ?192.168.1.248?) (192.168.1.248) by mail.dev.rtsoft.ru with SMTP; 4 May 2006 21:32:56 -0000 Message-ID: <445A3959.3050906@ru.mvista.com> Date: Thu, 04 May 2006 21:26:49 +0400 From: Sergei Shtylyov Organization: MontaVista Software Inc. User-Agent: Mozilla/5.0 (X11; U; Linux i686; rv:1.7.2) Gecko/20040803 X-Accept-Language: ru, en-us, en-gb MIME-Version: 1.0 To: Rodolfo Giometti CC: Linux-MIPS Subject: Re: Porting Au1x000 USB host controller on u-boot References: <20060504095341.GB19913@gundam.enneenne.com> <445A347A.5050507@ru.mvista.com> <445A36E3.4010809@ru.mvista.com> <20060504172131.GF7357@gundam.enneenne.com> In-Reply-To: <20060504172131.GF7357@gundam.enneenne.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 11319 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: sshtylyov@ru.mvista.com Precedence: bulk X-list: linux-mips Hello. Rodolfo Giometti wrote: >> AND make sure every buffer/TD/ED is written back / invalidated from >> cache before the OHCI accesses them since the cache coherency on Au1xx0 is >>b0rken! Or, better yet, access TD/ED (and, if possible, the buffers) via uncached KSEG1 only. > Mmm... good suggestion! :) How can I invalidated the cache? Can you > please show me some example code? Dig in arch/mips/mm/c-r4k.c... > Thanks _a lot_! > > Rodolfo WBR, Sergei