Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 16 Mar 2001 14:37:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 16 Mar 2001 14:37:45 -0500 Received: from adsl-63-195-162-81.dsl.snfc21.pacbell.net ([63.195.162.81]:25096 "EHLO master.linux-ide.org") by vger.kernel.org with ESMTP id ; Fri, 16 Mar 2001 14:37:33 -0500 Date: Fri, 16 Mar 2001 11:36:36 -0800 (PST) From: Andre Hedrick To: John Heil cc: linux-kernel@vger.kernel.org Subject: Re: IDE UDMA on a CMD-648 Chip In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Unless you have patches for 2.2 kernels most addon hosts will not be seen. On Fri, 16 Mar 2001, John Heil wrote: > > I've acquired a UDMA66 capable IDE card with a CMD-648 chip, > which is supposed to provide me with ide2 and ide3. > > ide2 is empty and ide3 has a writeable cdrom and an IDE zip > drive on it. > > At boot up, the card's bios scan recognizes the cdrom and zip > as master and slave on its secondary ide i/f, which is correct. > > However, it indicates that since it... > 'Can't find a UDMA66 capable device' > it is > 'Disabling the UDMA66 bios'. > > I've done the usual append for ide3, in lilo.conf but w/o benefit. > > Kernel is currently 2.2.16, > The mobo is an Asus A7V133 and the CPU is an 1.1 Athlon > South bridge is a via 686b which runs fine at UDMA100 on a > pair of Maxtors on IDE-0. > > I'll be upgrading this machine to 2.4.n-whatever in about 3 wks but... > ...I'd like to get the 2 devices operational on this or > some other 2.2.x, before that, if I can. > > I can't find the chip's datasheet. CMD only gives it to direct customers. > I do have the datasheet for the CMD-646U, a prior UDMA supporting chip. > > I take this to be a bug in the on-card Bios. > > I am hoping to circumvent the bios. I assume it will involve some > measure of IDE initialization which I don't mind coding if > it does not exist yet. > > > So has anyone encountered this chip yet and > are there any existing solutions or suggestions. > > > Thanx much > > > The CMD-648 chip's vital statistics follow... > > root@scsoftware50:~# lspci -vvxxxs 00:0c.0 > 00:0c.0 RAID bus controller: CMD Technology Inc PCI0648 (rev 01) > Subsystem: CMD Technology Inc PCI0648 > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- > ParErr- Stepping- SERR- FastB2B- > Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > SERR- Latency: 32 (500ns min, 1000ns max) > Interrupt: pin A routed to IRQ 11 > Region 0: I/O ports at 9400 > Region 1: I/O ports at 9000 > Region 2: I/O ports at 8800 > Region 3: I/O ports at 8400 > Region 4: I/O ports at 8000 > Capabilities: [60] Power Management version 1 > Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA > PME(D0-,D1-,D2-,D3hot-,D3cold-) > Status: D0 PME-Enable- DSel=0 DScale=3 PME- > 00: 95 10 48 06 07 00 90 02 01 00 04 01 00 20 00 00 > 10: 01 94 00 00 01 90 00 00 01 88 00 00 01 84 00 00 > 20: 01 80 00 00 00 00 00 00 00 00 00 00 95 10 48 06 > 30: 00 00 00 00 60 00 00 00 00 00 00 00 0b 01 02 04 > 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 > 50: 40 ec 00 c0 00 c0 00 dc 32 40 00 00 00 00 00 00 > 60: 01 00 21 06 00 60 00 f0 00 00 00 00 00 00 00 00 > 70: 00 08 00 f0 94 0a 00 00 00 82 00 f0 c8 01 48 2a > 80: 00 00 00 00 00 00 00 00 00 00 00 00 95 10 48 06 > 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > > > ----------------------------------------------------------------- > John Heil > South Coast Software > Custom systems software for UNIX and IBM MVS mainframes > 1-714-774-6952 > johnhscs@sc-software.com > http://www.sc-software.com > ----------------------------------------------------------------- > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > Andre Hedrick Linux ATA Development ASL Kernel Development ----------------------------------------------------------------------------- ASL, Inc. Toll free: 1-877-ASL-3535 1757 Houret Court Fax: 1-408-941-2071 Milpitas, CA 95035 Web: www.aslab.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/