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

[Tom Rini <trini@ti.com>]

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@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.

-- 
Tom
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