[PATCH v3 1/2] arm64: dts: Add dts files for Marvell Berlin4CT SoC
Jisheng Zhang
jszhang at marvell.com
Wed Jul 22 02:35:30 PDT 2015
Dear Sudeep,
On Wed, 22 Jul 2015 10:19:19 +0100
Sudeep Holla <sudeep.holla at arm.com> wrote:
>
>
> On 22/07/15 09:57, Jisheng Zhang wrote:
> > Add initial dtsi file to support Marvell Berlin4CT SoC with
> > quad Cortex-A53 CPUs.
> >
> > It also adds dts file for Marvell Berlin4CT DMP board which is
> > based on Berlin4CT SoC.
> >
> > Signed-off-by: Jisheng Zhang <jszhang at marvell.com>
> > ---
> > arch/arm64/boot/dts/Makefile | 1 +
> > arch/arm64/boot/dts/marvell/Makefile | 5 +
> > arch/arm64/boot/dts/marvell/berlin4ct-dmp.dts | 67 +++++++++++
> > arch/arm64/boot/dts/marvell/berlin4ct.dtsi | 164 ++++++++++++++++++++++++++
> > 4 files changed, 237 insertions(+)
> > create mode 100644 arch/arm64/boot/dts/marvell/Makefile
> > create mode 100644 arch/arm64/boot/dts/marvell/berlin4ct-dmp.dts
> > create mode 100644 arch/arm64/boot/dts/marvell/berlin4ct.dtsi
> >
>
> [..]
>
> > diff --git a/arch/arm64/boot/dts/marvell/berlin4ct-dmp.dts b/arch/arm64/boot/dts/marvell/berlin4ct-dmp.dts
> > new file mode 100644
> > index 0000000..58ed7f1
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/marvell/berlin4ct-dmp.dts
> > @@ -0,0 +1,67 @@
>
> [..]
>
> > +/dts-v1/;
> > +
> > +#include "berlin4ct.dtsi"
> > +
> > +/ {
> > + model = "MARVELL BG4CT DMP BOARD";
> > + compatible = "marvell,berlin4ct-dmp", "marvell,berlin4ct", "marvell,berlin";
> > +
> > + chosen {
> > + bootargs = "earlycon=uart8250,mmio32,0xf7fcd000";
> > + stdout-path = "serial0:115200n8";
>
> Just earlycon without any parameters will suffice. Currently earlycon
> parsing code has issues and it's being worked out[1]. The serial port
> details specified in stdout-path will be used by earlycon.
>
> Regards,
> Sudeep
>
> [1] https://lkml.org/lkml/2015/4/8/604
I just found all arm64 ports don't have bootargs, so neither earlycon, I will
follow this behavior. Will send out v4 later.
Thanks
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