Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 5 Oct 2001 18:23:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 5 Oct 2001 18:22:52 -0400 Received: from astcc-132.astound.net ([24.219.123.215]:23556 "EHLO master.linux-ide.org") by vger.kernel.org with ESMTP id ; Fri, 5 Oct 2001 18:22:43 -0400 Date: Fri, 5 Oct 2001 15:23:16 -0700 (PDT) From: Andre Hedrick To: Sean Swallow cc: linux-kernel@vger.kernel.org Subject: Re: PDC20268 UDMA troubles 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 On Fri, 5 Oct 2001, Sean Swallow wrote: > Andre, > > Thank you for the reply. > > I was wondering if both controllers (PDC20268 and PDC20267) should show up > when I cat /proc/ide/pdc202xx ? > > I'm not disabling the BURST_BIT, I think the driver is, but only on the > second card. Thus, I can't get udma5 on all 4 chains. > > This is from dmesg: > > PDC20267: IDE controller on PCI bus 00 dev 40 > PDC20267: chipset revision 2 > PDC20267: not 100% native mode: will probe irqs later > PDC20267: (U)DMA Burst Bit ENABLED Primary PCI Mode Secondary PCI Mode. > ide2: BM-DMA at 0x1080-0x1087, BIOS settings: hde:DMA, hdf:pio > ide3: BM-DMA at 0x1088-0x108f, BIOS settings: hdg:DMA, hdh:pio > PDC20268: IDE controller on PCI bus 00 dev 50 > PDC20268: chipset revision 2 > PDC20268: not 100% native mode: will probe irqs later > PDC20268: (U)DMA Burst Bit DISABLED Primary MASTER Mode Secondary MASTER > Mode. > ide4: BM-DMA at 0x10d0-0x10d7, BIOS settings: hdi:pio, hdj:pio > ide5: BM-DMA at 0x10d8-0x10df, BIOS settings: hdk:pio, hdl:pio > > Let me know if you need more information. > > cheers, > > -- > Sean J. Swallow > pgp (6.5.2) keyfile @ https://nurk.org/keyfile.txt > > > On Thu, 4 Oct 2001 andre@linux-ide.org wrote: > > > > > There is nothing wrong with the procfs. > > The HOST performs a sense mode on the contents of the taskfile registers > > when loading a setfeature to change the transfer rate. Mode 5 is the > > same > > timings as Mode 4; however, the internal base clocks are different. > > > > Also why are we disabling the BUSRT BIT? > > > > > The procfs api does not parse several cards at this time. Cheers, Andre Hedrick CTO ASL, Inc. Linux ATA Development ----------------------------------------------------------------------------- ASL, Inc. Tel: (510) 857-0055 x103 38875 Cherry Street Fax: (510) 857-0010 Newark, CA 94560 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/