Re: [2.6.10-rc2+] ide1=ata66 -- OBSOLETE OPTION, WILL BE REMOVEDSOON!

[Andre Hedrick]

Bart,

Recall there is a mixed breed out there ... some do some don't.
Also I need your snail mail address, I have a case of hardware to send you
way.  Since you have managed to not go insane yet ... I want to help you
get there with ease.

Cheers,

Andre

Andre Hedrick
LAD Storage Consulting Group

On Mon, 13 Dec 2004, Bartlomiej Zolnierkiewicz wrote:

> On Sun, 05 Dec 2004 20:23:13 +0100, Rene Herman
> <rene.herman@xxxxxxxxxxxx> 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;
>  	}
> -
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