On Wednesday 15 March 2023 16:11:27 Tony Dinh wrote: > Hi Pali, > > On Wed, Mar 15, 2023 at 2:58 PM Pali Rohár <p...@kernel.org> wrote: > > > > On Wednesday 15 March 2023 14:56:52 Tony Dinh wrote: > > > The mainline Pogo V4 DTS uses a stdout-path format that is not > > > recognizable by u-boot. Change it to a commonly used format. > > > > Cannot we teach u-boot to understand also currently used format? > > I assume it is good to document the fact that perhaps using > dm-pre-reloc tag (and later boot-phase tag) will overcome many odd > properties format in Linux DTS. We said dm-pre-reloc is a workaround, > but IMHO the tags are really good for u-boot, since u-boot is a > multi-phase boot loader. If a device like UART is needed in a certain > phase, we should say so. > > Also at the moment, modifying the serial-uclass.c is something more > than I can chew. If I must do it myself, it will be a while. If > anybody wants to give it a try, please do so.
Simon could help there? > Thanks, > Tony > > > > Note that this patch removes the previous workaround for this board > > > as discussed here: > > > https://lists.denx.de/pipermail/u-boot/2023-February/508936.html > > > > > > Signed-off-by: Tony Dinh <mibo...@gmail.com> > > > --- > > > > > > arch/arm/dts/kirkwood-pogoplug-series-4-u-boot.dtsi | 9 ++++++--- > > > 1 file changed, 6 insertions(+), 3 deletions(-) > > > > > > diff --git a/arch/arm/dts/kirkwood-pogoplug-series-4-u-boot.dtsi > > > b/arch/arm/dts/kirkwood-pogoplug-series-4-u-boot.dtsi > > > index f9e127234c..9bb97c6b6b 100644 > > > --- a/arch/arm/dts/kirkwood-pogoplug-series-4-u-boot.dtsi > > > +++ b/arch/arm/dts/kirkwood-pogoplug-series-4-u-boot.dtsi > > > @@ -1,7 +1,10 @@ > > > // SPDX-License-Identifier: GPL-2.0+ > > > /* > > > * Copyright (C) 2023 Tony Dinh <mibo...@gmail.com> > > > - */ > > > -&uart0 { > > > - u-boot,dm-pre-reloc; > > > +*/ > > > + > > > +/ { > > > + chosen { > > > + stdout-path = &uart0; > > > + }; > > > }; > > > -- > > > 2.30.2 > > >