[U-Boot] U-Boot PXA support

[Marek Vasut]

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 ...

-- 
Best regards,
Marek Vasut