[PATCH] arm: dts: bcm283x: Allow UARTs to work before relocation

[Tom Rini]

On Tue, Dec 31, 2019 at 02:28:19PM -0700, Simon Glass wrote:
> Hi Matthias,
> 
> On Tue, 10 Dec 2019 at 02:43, Matthias Brugger <mbrugger at suse.com> wrote:
> >
> > Hi Simon,
> >
> > On 02/12/2019 16:45, Tom Rini wrote:
> > > On Sun, Dec 01, 2019 at 07:33:56PM -0700, Simon Glass wrote:
> > >
> > >> At present the pinctrl nodes are not enabled in pre-relocation U-Boot so
> > >> the UARTs do not correctly select the pinconfig to enable the UART pins.
> > >> Fix this so that the U-Boot banner is printed.
> > >>
> > >> Signed-off-by: Simon Glass <sjg at chromium.org>
> > >> Fixes: 9821636b64 (bcm2835_pinctrl: Probe pre-reloc)
> > >> ---
> > >>
> > >>  arch/arm/dts/bcm283x-u-boot.dtsi | 8 ++++++++
> > >>  1 file changed, 8 insertions(+)
> > >>
> > >> diff --git a/arch/arm/dts/bcm283x-u-boot.dtsi b/arch/arm/dts/bcm283x-u-boot.dtsi
> > >> index 36548dad62..68d03627f4 100644
> > >> --- a/arch/arm/dts/bcm283x-u-boot.dtsi
> > >> +++ b/arch/arm/dts/bcm283x-u-boot.dtsi
> > >> @@ -19,3 +19,11 @@
> > >>  &gpio {
> > >>      u-boot,dm-pre-reloc;
> > >>  };
> > >> +
> > >> +&uart0_gpio14 {
> > >> +    u-boot,dm-pre-reloc;
> > >> +};
> > >> +
> > >> +&uart1_gpio14 {
> > >> +    u-boot,dm-pre-reloc;
> > >> +};
> > >
> > > I think this is superseded by the RPi PR that I had been testing and
> > > just now pushed.  Can you confirm that master is fine on your Pis as
> > > well?  I gather you hit this failure doing pytest on the board, which is
> > > also how I found it.  Thanks!
> > >
> >
> > Can you confirm if this is working with master branch or if we still need your
> > patch. In which situation would we need your patch then?
> 
> Unfortunately with the 'next' branch I still need this patch. WIthout
> it I don't get the pre-relocation serial output and tests fail.

Which Pi exactly?  My 3B works with rpi_3_32b, rpi_3 and rpi_arm64
defconfigs and test.py.

-- 
Tom
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