From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: Rene Herman <rene.herman@keyaccess.nl>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [2.6.10-rc2+] ide1=ata66 -- OBSOLETE OPTION, WILL BE REMOVED SOON!
Date: Mon, 13 Dec 2004 22:47:32 +0100 [thread overview]
Message-ID: <58cb370e04121313473057143b@mail.gmail.com> (raw)
In-Reply-To: <41B36021.5050600@keyaccess.nl>
On Sun, 05 Dec 2004 20:23:13 +0100, Rene Herman
<rene.herman@keyaccess.nl> wrote:
> Hi Bart.
Hi,
> I see your 2004-11-01 IDE update:
>
> http://lkml.org/lkml/2004/11/1/158
>
> obsoleted the idex=ata66 option, saying that it "should be handled by
> host drivers needing it". As far as I can see, amd74xx does not handle this?
>
> I do need a way to force an 80c cable on this AMD756 (ATA66 max) board,
> since the BIOS doesn't seem to be setting the cable bits correctly.
Ugh, I checked AMD datasheets and AMD756 doesn't support host
side cable detection. Well, we can try doing disk side only for it.
[ ATi and ITE (in -ac kernels) drivers are also doing this. ]
--- amd74xx.c.orig 2004-11-02 14:17:14.000000000 +0100
+++ amd74xx.c 2004-12-13 22:41:50.406229168 +0100
@@ -344,10 +344,8 @@
break;
case AMD_UDMA_66:
- pci_read_config_dword(dev, AMD_UDMA_TIMING, &u);
- for (i = 24; i >= 0; i -= 8)
- if ((u >> i) & 4)
- amd_80w |= (1 << (1 - (i >> 4)));
+ /* no host side cable detection */
+ amd_80w = 0x03;
break;
}
next prev parent reply other threads:[~2004-12-13 21:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-05 19:23 [2.6.10-rc2+] ide1=ata66 -- OBSOLETE OPTION, WILL BE REMOVED SOON! Rene Herman
2004-12-13 21:47 ` Bartlomiej Zolnierkiewicz [this message]
2004-12-14 6:51 ` Andre Hedrick
2004-12-14 16:15 ` Rene Herman
2004-12-15 23:52 ` Alan Cox
2004-12-16 14:29 ` Bartlomiej Zolnierkiewicz
2004-12-16 14:32 ` Bartlomiej Zolnierkiewicz
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