[U-Boot] U-Boot PXA support

[Tom Rini]

On Thu, May 09, 2019 at 05:12:25PM +0200, Marek Vasut wrote:
> On 5/9/19 5:03 PM, Vasily Khoruzhick wrote:
> > On Thu, May 9, 2019 at 7:56 AM Marek Vasut <marex at denx.de> wrote:
> >>
> >> On 5/9/19 4:02 PM, Tom Rini wrote:
> >>> On Mon, May 06, 2019 at 09:26:04AM -0400, Tom Rini wrote:
> >>>
> >>>> Hey folks,
> >>>>
> >>>> I'm attempting, again, to see what we need to do in order to use gcc-8.x
> >>>> for U-Boot and ran into, again:
> >>>> https://patchwork.ozlabs.org/patch/920329/ which in short is that when
> >>>> using -mcpu=xscale gcc-8.x throws an odd error:
> >>>> cc1: error: switch -mcpu=xscale conflicts with -march=armv5te switch [-Werror]
> >>>>
> >>>> Now note, U-Boot isn't passing -march= at all, just -mcpu=xscale which
> >>>> suggests perhaps something broke in upstream gcc.  Looking at the
> >>>> kernel, it's not used -mcpu=xscale ever, just -mtune=xscale but that
> >>>> leads to different failures (seen here with gcc-7.3):
> >>>>   CC      drivers/usb/gadget/pxa25x_udc.o
> >>>> {standard input}: Assembler messages:
> >>>> {standard input}:779: Error: selected processor does not support `pld [lr]' in ARM mode
> >>>> {standard input}:1201: Error: selected processor does not support `pld [r7]' in ARM mode
> >>>> {standard input}:2519: Error: selected processor does not support `pld [r3]' in ARM mode
> >>>> {standard input}:2796: Error: selected processor does not support `pld [r3]' in ARM mode
> >>>>
> >>>> So, what should we do about this?  Is there still active interest in
> >>>> supporting the PXA platforms?  Thanks folks!
> >>>
> >>> ping?  Thanks!
> >>
> >> Maybe we should just remove it.
> > 
> > +1, almost no one uses it nowadays.
> 
> Well, there are still a few users of Zipit Z2 and there was some
> interest in Sharp Zaurus, but ...

I don't see anything for Zipit Z2 that's been updated more recently than
about 5 years ago, sadly.  Vasily, do you want to post a patch to drop
that board since it's yours?  Thanks!

-- 
Tom
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