[PATCH v4 2/2] sifive: fu540: Enable OF_SEPARATE

[Jagan Teki]

Hi Rick,

On Mon, Dec 2, 2019 at 9:02 AM Rick Chen <rickchen36 at gmail.com> wrote:
>
> Hi Jagon
>
> > From: Jagan Teki [mailto:jagan at amarulasolutions.com]
> > Sent: Monday, November 18, 2019 7:30 PM
> > To: Rick Jian-Zhi Chen(陳建志)
> > Cc: u-boot at lists.denx.de; Jagan Teki
> > Subject: [PATCH v4 2/2] sifive: fu540: Enable OF_SEPARATE
> >
> > Use dts support from U-Boot via OF_SEPARATE instead of depending from opensbi.
> >
> > This would help to make the necessary changes in drivers and device trees in U-Boot tree itself. This feature would also be helpful to not pass dtb during opensbi builds.
> >
> > Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
> > ---
> > Changes for v4:
> > - Drop abosolete text
> >
> >  configs/sifive_fu540_defconfig | 3 ++-
> >  doc/board/sifive/fu540.rst     | 5 +----
> >  2 files changed, 3 insertions(+), 5 deletions(-)
> >
> > diff --git a/configs/sifive_fu540_defconfig b/configs/sifive_fu540_defconfig index 48865e5f11..979d0a0418 100644
> > --- a/configs/sifive_fu540_defconfig
> > +++ b/configs/sifive_fu540_defconfig
> > @@ -6,6 +6,7 @@ CONFIG_RISCV_SMODE=y
> >  CONFIG_DISTRO_DEFAULTS=y
> >  CONFIG_FIT=y
> >  CONFIG_MISC_INIT_R=y
> > +CONFIG_DEFAULT_DEVICE_TREE="hifive-unleashed-a00"
> >  CONFIG_DISPLAY_CPUINFO=y
> >  CONFIG_DISPLAY_BOARDINFO=y
> > -CONFIG_OF_PRIOR_STAGE=y
> > +CONFIG_OF_SEPARATE=y
> > diff --git a/doc/board/sifive/fu540.rst b/doc/board/sifive/fu540.rst index 7807f5b2c1..dd279f6a03 100644
> > --- a/doc/board/sifive/fu540.rst
> > +++ b/doc/board/sifive/fu540.rst
> > @@ -58,10 +58,7 @@ firmware. We need to compile OpenSBI with below command:
> >
> >  .. code-block:: none
> >
> > -    make PLATFORM=sifive/fu540 FW_PAYLOAD_PATH=<path to u-boot.bin> FW_PAYLOAD_FDT_PATH=<path to hifive-unleashed-a00.dtb from Linux>
> > -
> > -(Note: Prefer hifive-unleashed-a00.dtb from Linux-5.3 or higher)
> > -(Note: Linux-5.2 is also fine but it does not have ethernet DT node)
> > +    make PLATFORM=sifive/fu540 FW_PAYLOAD_PATH=<path to u-boot-dtb.bin>
> >
> >  More detailed description of steps required to build FW_PAYLOAD firmware  is beyond the scope of this document. Please refer OpenSBI documenation.
> > --
> > 2.18.0.321.gffc6fa0e3
> >
>
> I am trying to prepare a PR, but it encounter a conflict with the
> master when applying this patch.
> Can you rebase it again ?
>
> Or if you don't mind I can modify your patch directly.

Sure, please do. thanks.