From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6074 invoked by alias); 6 Oct 2003 09:51:44 -0000 Mailing-List: contact ecos-discuss-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: ecos-discuss-owner@sources.redhat.com Received: (qmail 6060 invoked from network); 6 Oct 2003 09:51:42 -0000 Received: from unknown (HELO mxic.com.tw) (203.66.160.36) by sources.redhat.com with SMTP; 6 Oct 2003 09:51:42 -0000 Received: by mxic.com.tw; id RAA24584; Mon, 6 Oct 2003 17:51:38 +0800 (CST) Received: from unknown(192.168.1.11) by mxsrv.mxic.com.tw via smap (V5.5) id xmab21452; Mon, 6 Oct 03 17:51:15 +0800 Received: from TWMAIL01.MXIC.COM.TW (twmail01.mxic.com.tw [192.168.11.4]) by mxmailbk.mxic.com.tw (8.9.3/8.8.7) with ESMTP id RAA21711 for ; Mon, 6 Oct 2003 17:32:57 +0800 From: RandyLin@mxic.com.tw To: ecos-discuss@sources.redhat.com Message-ID: Date: Mon, 06 Oct 2003 09:51:00 -0000 MIME-Version: 1.0 Content-type: text/plain; charset=us-ascii Subject: [ECOS] CS8900a interrupt problem on EB40 X-SW-Source: 2003-10/txt/msg00067.txt.bz2 CS8900a is connected with IRQ1,ethernet cable is not connected. after cyg_drv_interrupt_unmask(), EB40 generate interrupt all the time, the AIC_IPR is 0x00070005(IRQ1 is pending) the IRQ bit is set, is it mean interrupt? but read cs8900a register CS8900A_ISQ, always 0, that should be no interrupt. I don't know why there is always interrupt? thanks for any help! -- Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos and search the list archive: http://sources.redhat.com/ml/ecos-discuss