On Fri, Feb 21, 2025 at 03:54:52PM -0700, Simon Glass wrote:
> Hi  Tom,
> 
> On Fri, 21 Feb 2025 at 12:26, Tom Rini <tr...@konsulko.com> wrote:
> >
> > On Fri, Feb 21, 2025 at 08:19:40AM -0600, Tom Rini wrote:
> > > On Thu, Feb 20, 2025 at 06:30:18PM -0700, Simon Glass wrote:
> > > > Hi Tom,
> > > >
> > > > On Thu, 20 Feb 2025 at 13:40, Tom Rini <tr...@konsulko.com> wrote:
> > > > >
> > > > > On Thu, Feb 20, 2025 at 11:13:34AM -0700, Simon Glass wrote:
> > [snip]
> > > > > I will look at "splg4" once it's somewhere on source.denx.de and I can
> > > > > look at it, and refrain from otherwise assuming how it solves the
> > > > > problems I had seen previously.
> > > >
> > > > I pushed an updated version to dm/splg-working but it is not very
> > > > updated. Still needs more work.
> > >
> > > Thanks.
> >
> > So, after doing the remaining CONFIG_TEXT_BASE -> CONFIG_PPL_TEXT_BASE
> > changes, here's another example of the problem with your approach. What
> > stops xilinx_zynqmp_kria from building in splg-working is that
> > BUTTON was missing from scripts/conf_nospl. Annoyingly, a mrproper (or
> > since I always use O=, rm -rf) is needed for changes there to be picked
> > up, but that's maybe just a missing Makefile dependency line. But that
> > just makes it easier to see the next problem, which I don't see the
> > answer to. For PPL, we can build drivers/spi/zynqmp_gqspi.o just fine.
> > For SPL however:
> >   CC      spl/drivers/spi/zynqmp_gqspi.o
> > /home/trini/work/u-boot/u-boot/drivers/spi/zynqmp_gqspi.c: In function 
> > 'zynqmp_qspi_of_to_plat':
> > /home/trini/work/u-boot/u-boot/drivers/spi/zynqmp_gqspi.c:203:22: warning: 
> > cast to pointer from integer of different size [-Wint-to-pointer-cast]
> >   203 |         plat->regs = (struct zynqmp_qspi_regs *)(dev_read_addr(bus) 
> > +
> >       |                      ^
> > /home/trini/work/u-boot/u-boot/drivers/spi/zynqmp_gqspi.c:205:26: warning: 
> > cast to pointer from integer of different size [-Wint-to-pointer-cast]
> >   205 |         plat->dma_regs = (struct zynqmp_qspi_dma_regs *)
> >       |                          ^
> >
> > And I don't see, really, what's even getting us down this error path.
> 
> It's the FDT_64BIT in conf_nospl - that symbol needs to be the same
> across all phases.
> 
> I pushed a new tree which builds without the warning. Note that
> SPL_SPI is enabled.

So, the "what" is FDT_64BIT wasn't correct. I think this is showing that
scripts/conf_nospl is going to be a problem in and of itself, and likely
as confusing if not more-so than any of the in-the-end visible changes.

-- 
Tom

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