On Tuesday, May 6, 2014 8:37:53 AM UTC+2, Hans de Goede wrote:
> Hi,
> 
> On 05/05/2014 11:22 PM, hase nase wrote: 
> > Hi,
> >
> > is it possible to use an sata multiplier with a A20 ? I tried it on a 
> > cubieboard, but i only got access to sda and no other connected drive
> 
> The sata silicon in the sunxi chips claims pmp protocol support

Does the IP support NCQ or only FIS? 

The Marvell Armada 510 supports NCQ, But the IMX6 seems to only support FIS.

> , but
> 
> the driver disables it. I've always wondered if this is really necessary,
> but I lack the hardware to test.
> 
> You could try building a kernel with the AHCI_HFLAG_NO_PMP flag removed
> 
> from the sunxi-ahci driver, and see if the support the silicon claims
> 
> maybe actually works.
> 
> 
> 
> Regards,
> 
> 
> 
> Hans

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