[PATCH 6/6] RISC-V: add Allwinner Sun20i D1 Nezha support

[Sascha Hauer]

On Wed, Sep 14, 2022 at 09:52:37AM +0200, Marco Felsch wrote:
> On 22-09-14, Sascha Hauer wrote:
> > On Tue, Sep 13, 2022 at 02:49:54PM +0200, Marco Felsch wrote:
> > > Add Allwinner sun20i SoC and D1-Nezha board support.
> > > 
> > > Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>
> > > ---
> > >  Documentation/boards/riscv.rst            | 102 +++++++++++++++++
> > >  arch/riscv/Kconfig.socs                   |  16 +++
> > >  arch/riscv/boards/Makefile                |   1 +
> > >  arch/riscv/boards/allwinner-d1/Makefile   |   3 +
> > >  arch/riscv/boards/allwinner-d1/lowlevel.c |  12 ++
> > >  arch/riscv/configs/sun20i_defconfig       | 130 ++++++++++++++++++++++
> > >  arch/riscv/include/asm/debug_ll.h         |   5 +
> > >  common/Kconfig                            |   5 +
> > >  images/Makefile.riscv                     |   4 +
> > >  9 files changed, 278 insertions(+)
> > >  create mode 100644 arch/riscv/boards/allwinner-d1/Makefile
> > >  create mode 100644 arch/riscv/boards/allwinner-d1/lowlevel.c
> > >  create mode 100644 arch/riscv/configs/sun20i_defconfig
> > > 
> > 
> > [...]
> > 
> > > diff --git a/arch/riscv/configs/sun20i_defconfig b/arch/riscv/configs/sun20i_defconfig
> > > new file mode 100644
> > > index 0000000000..157c430723
> > > --- /dev/null
> > > +++ b/arch/riscv/configs/sun20i_defconfig
> > 
> > I can select all machines built with sifive_defconfig, starfive_defconfig,
> > sun20i_defconfig and virt64_defconfig in a single config and
> > successfully build barebox with all these machines.
> > 
> > Instead of adding another defconfig we should go into the opposite
> > direction and consolidate the defconfigs.
> > 
> > Maybe a rv32i_defconfig and a rv64i_defconfig would be it.
> 
> Good point. One question, do we even have support for rv32i?

It can be selected in Kconfig and we have defconfigs built with it, so I
would assume yes.

Sascha


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