[U-Boot] [PATCH 1/3] dm: dts: ls2085a: Bring in ls2085a dts files from linux kernel

Sharma Bhupesh
2015-07-08T07:31:47Z

> -----Original Message-----
> From: U-Boot [mailto:u-boot-bounces at lists.denx.de] On Behalf Of Wang
> Haikun
> On 7/8/2015 3:13 PM, Bin Meng wrote:
> > Hi,
> >
> > On Wed, Jul 8, 2015 at 2:51 PM, Wang Haikun <Haikun.Wang@freescale.com>
> wrote:
> >> On 6/26/2015 7:53 PM, Haikun Wang wrote:
> >>> From: Haikun Wang <Haikun.Wang@freescale.com>
> >>>
> >>> Bring in required device tree files for ls2085a from Linux.
> >>> These are initially unchanged and have a number of pieces not needed
> by U-Boot.
> >> Hi Simon,
> >>
> >> I got below comment when review this patch internal.
> >> Please help me confirm.
> >>
> >> "For new platforms like ARM64, it was discussed to not duplicate the
> >> DTS in u-boot and Linux, simply because that will break compatibility
> >> with other bootloaders like Linaro's BootMonitor and UEFI bootloader,
> >> which do not place the DTS in the bootloader. Also in near future,
> >> with DTS being replaced by ACPI gradually for ARM64 platforms, it was
> >> discussed that in a longer run it would be beneficial to move DTS out
> >> of both u-boot and Linux and maintain it as a separate tree."
> >>
> >
> > I think UEFI + ACPI is only required for ARMv8 servers, not for all
> > ARMv8 processors. Is ls2085a a processor targeting the server market?
> No, at least it's not our major market.
> I want to know whether we have made a conclusion that u-boot will not add
> Arm64 dts files?

Adding Russell and Mark for their thoughts.

AFAIK there were discussions to generate common DTS files for PPC and ARM platforms,
where it was discussed that in a longer run it would be beneficial to move DTS out
of both u-boot and Linux and maintain it as a separate tree.

Regards,
Bhupesh

> Best regards,
> Wang Haikun
> >
> > [snip]
> >
> > Regards,
> > Bin
> >
>
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