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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