Date: Thu, 16 Dec 1999 04:24:29 -0800 From: Devin Butterfield <dbutter@wireless.net> To: Soren Schmidt <sos@freebsd.dk> Cc: freebsd-current@FreeBSD.org Subject: Re: ATA driver problem?? Solution (in my case)! Message-ID: <3858D9FD.2EA50F5A@wireless.net> References: <199912161045.LAA04163@freebsd.dk>
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Hi Soren, No unfortunately it still fails with the patch and the UDMA disabled in the BIOS. I'd be happy to try anything else you can think of. :) Thanks. -- Regards, Devin. Soren Schmidt wrote: > > It seems Devin Butterfield wrote: > > Hi Soren/group, > > > > After spending a little time sniffing around in my BIOS I realized that > > my BIOS (Award BIOS) defaults to disabling UDMA for both master and > > slave and for some reason I never thought to check this....duh. Anyway > > after setting this to "auto" for both master and slave the problem seems > > to be fixed! > > > > This is curious because I was running the wd driver with the BIOS set > > wrong all along and never had any errors or problems (AFAIK). So why > > does the wd driver seem to ignore this incorrect configuration while the > > ata driver trips over it? > > > > Does this help anyone? > > Hmm, maybe. > > Try the below patch, but with the BIOS again in the disabled position, > and see if it still fails. > > Index: ata-dma.c > =================================================================== > RCS file: /home/ncvs/src/sys/dev/ata/ata-dma.c,v > retrieving revision 1.23 > diff -u -r1.23 ata-dma.c > --- ata-dma.c 1999/12/14 10:25:25 1.23 > +++ ata-dma.c 1999/12/16 10:44:51 > @@ -227,6 +227,12 @@ > pci_write_config(scp->dev, 0x53, > pci_read_config(scp->dev, 0x53, 1) | 0x03, 1); > scp->flags |= ATA_ATAPI_DMA_RO; > + if (device == ATA_MASTER) > + outb(scp->bmaddr + ATA_BMSTAT_PORT, > + inb(scp->bmaddr + ATA_BMSTAT_PORT) | ATA_BMSTAT_DMA_MASTER); > + else > + outb(scp->bmaddr + ATA_BMSTAT_PORT, > + inb(scp->bmaddr + ATA_BMSTAT_PORT) | ATA_BMSTAT_DMA_SLAVE); > scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2; > return 0; > } > @@ -242,6 +248,12 @@ > pci_write_config(scp->dev, 0x53, > pci_read_config(scp->dev, 0x53, 1) | 0x03, 1); > scp->flags |= ATA_ATAPI_DMA_RO; > + if (device == ATA_MASTER) > + outb(scp->bmaddr + ATA_BMSTAT_PORT, > + inb(scp->bmaddr + ATA_BMSTAT_PORT) | ATA_BMSTAT_DMA_MASTER); > + else > + outb(scp->bmaddr + ATA_BMSTAT_PORT, > + inb(scp->bmaddr + ATA_BMSTAT_PORT) | ATA_BMSTAT_DMA_SLAVE); > scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2; > return 0; > } > > -Søren > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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