[U-Boot] [PATCH v2 7/8] mvebu: Support Synology DS414

[Bin Meng]

Hi Phil,

On Tue, Dec 22, 2015 at 7:25 AM, Phil Sutter <phil at nwl.cc> wrote:
> This adds support for the MV78230 based DS414 NAS by Synology. The
> relevant bits have been extracted from the 'synogpl-5004-armadaxp'
> package Synology kindly published, garnished with a fair amount of
> trial-and-error.
>
> Sadly, support is far from perfect. The major parts I have failed in
> are SATA and XHCI support. Details about these and some other things
> follow:
>
> Device Tree
> -----------
>
> The device tree file armada-xp-synology-ds414.dts has been copied from
> Linux and enhanced by recent U-Boot specific changes to
> armada-xp-gp.dts.
>
> SATA Support
> ------------
>
> There is a Marvell 88SX7042 controller attached to PCIe which is
> supported by Linux's sata_mv driver but sadly not U-Boot's sata_mv.
> I'm not sure if extending the latter to support PCI devices is worth the
> effort at all. Porting sata_mv from Linux exceeded my brain's
> capacities. :(
>
> XHCI Support
> ------------
>
> There is an EtronTech EJ168A XHCI controller attached to PCIe which
> drives the two rear USB3 ports. After a bit of playing around I managed
> to get it recognized by xhci-pci, but never was able to access any
> devices attached to it. Enabling it in ds414 board config shows that it
> does not respond to commands for whatever reason. The (somewhat) bright
> side to it is that it is not even supported in Synology's customized
> U-Boot, but that also means nowhere to steal the relevant bits from.
>

Ah, I guess you were encountering the same xHCI driver issue that was
seen on Intel's hardware. I've posted a patch series [1] that fixed
all of these and I believe it should work on your hardware too.

[snip]

[1] http://patchwork.ozlabs.org/patch/776725/

Regards,
Bin