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Date:      Fri, 07 Apr 2006 14:13:38 -0700
From:      Peter Grehan <grehan@freebsd.org>
To:        Torfinn Ingolfsen <torfinn.ingolfsen@broadpark.no>
Cc:        freebsd-ppc@freebsd.org
Subject:   Re: Enable ata DMA on a PowerMac G4?
Message-ID:  <4436D602.6040702@freebsd.org>
In-Reply-To: <20060407230252.95e40fa7.torfinn.ingolfsen@broadpark.no>
References:  <20060326180148.010f5789.torfinn.ingolfsen@broadpark.no>	<20060406031813.GA3653@sharma-home.net> <20060407230252.95e40fa7.torfinn.ingolfsen@broadpark.no>

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Hi Torfinn,

> And I guess it would take more than changing the 
>         atadev->mode = ATA_PIO;
> in ata_macio_setmode() in ata_macio.c to fix it?

  Yes - the DMA controller for the macio ata cells is very unlike 
'standard' PIIX PCI-ATA DMA.

later,

Peter.



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