[U-Boot] [PATCH 3/3] ahci: provide sunxi SATA driver using AHCI platform framework

[Ian Campbell]

On Tue, 2014-07-22 at 18:01 -0400, Tom Rini wrote:
> On Fri, Jul 18, 2014 at 08:38:41PM +0100, Ian Campbell wrote:
> 
> > This enables the necessary clocks, in AHB0 and in PLL6_CFG. This is done
> > for sun7i only since I don't have access to any other sunxi platforms
> > with sata included.
> > 
> > The PHY setup is derived from the Alwinner releases and Linux, but is mostly
> > undocumented.
> > 
> > The Allwinner AHCI controller also requires some magic (and, again,
> > undocumented) DMA initialisation when starting a port.  This is added under a
> > suitable ifdef.
> > 
> > This option is enabled for Cubieboard, Cubieboard2 and Cubietruck based on
> > contents of Linux DTS files, including SATA power pin config taken from the
> > DTS. All build tested, but runtime tested on Cubieboard2 and Cubietruck only.
> > 
> > Signed-off-by: Ian Campbell <ijc at hellion.org.uk>
> 
> Note that this may need rebasing as I was just going to grab it as part
> of the rest of the series but it did not apply cleanly.

Sorry, it applies on top of the outstanding u-boot-arm PR from
http://patchwork.ozlabs.org/patch/371704/.

Shall we take care of it in another PR from u-boot-sunxi once Albert is
back and caught up?

Ian.