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List:       netbsd-tech-kern
Subject:    Re: pciide split
From:       Manuel Bouyer <bouyer () antioche ! eu ! org>
Date:       2003-09-25 23:28:12
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On Thu, Sep 25, 2003 at 12:57:00PM -0700, Jason Thorpe wrote:
> 
> On Thursday, September 25, 2003, at 10:44  AM, Manuel Bouyer wrote:
> 
> >- should we have separate drivers for SATA ?
> >  Right now, we have sata in compat mode only, so it really doesn't 
> >take much
> >  space and doesn't qualify for separate drivers. Also, there is a 
> >promise
> >  device which has both SATA and parallel ATA.
> >My opinion on this is that for now we can keep SATA and parallel ATA 
> >in the
> >same drivers. we can split them later if needed.
> 
> I don't think SATA should be split out.  Even the ones that use direct 
> port access (the Intel part has such a mode) really boil down to "each 
> port is like an independent controller with one master-only channel").  
> The only difference that's really a hassle is that the offsets of some 
> of the register changed, but I don't think that warrants a totally 
> separate driver.

OK, thanks.
I didn't look at chip-specifics docs yet, only the ATA drafts.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 24 ans d'experience feront toujours la difference
--
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