Hi Prabhakar, On Mon, Aug 15, 2022 at 10:16 PM Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote: > On Mon, Aug 15, 2022 at 8:00 PM <Conor.Dooley@xxxxxxxxxxxxx> wrote: > > On 15/08/2022 16:14, Lad Prabhakar wrote: > > > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > > > > > Enable the minimal blocks required for booting the Renesas RZ/Five > > > SMARC EVK with initramfs. > > > > > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> > > > --- > > > v1->v2 > > > * New patch > > > --- > > > arch/riscv/boot/dts/Makefile | 1 + > > > arch/riscv/boot/dts/renesas/Makefile | 2 ++ > > > .../boot/dts/renesas/r9a07g043f01-smarc.dts | 16 ++++++++++ > > > .../boot/dts/renesas/rzfive-smarc-som.dtsi | 22 +++++++++++++ > > > arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi | 32 +++++++++++++++++++ > > > 5 files changed, 73 insertions(+) > > > create mode 100644 arch/riscv/boot/dts/renesas/Makefile > > > create mode 100644 arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts > > > create mode 100644 arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi > > > > Just to sort out some of my own confusion here - is the smarc EVK > > shared between your arm boards and the riscv ones? Or just the > > peripherals etc on the soc? > > > RZ/Five SoC is pin compatible with RZ/G2UL Type 1 SoC (ARM64). RZ/G2UL > SMARC EVK carrier board can be swapped with RZ/Five or RZ/G2UL SMARC > SoM and still be used. > > > If it is the forver, does the approach suggested here for the > > allwinner stuff make sense to also use for risc-v stuff with > > shared parts of devicetrees? > > https://lore.kernel.org/linux-riscv/3cd9ed5b-8348-38ac-feb1-9a7da858cebc@xxxxxxxxxxxxx/ > > > it does make sense. But I wonder where we would place the common > shared dtsi that can be used by two arch's. You can keep it under arch/arm/boot/dts/renesas/, and refer to it from riscv as <arm64/renesas/...>. Cfr. the symlinks under scripts/dtc/include-prefixes/arm64/ and e.g. cros-ec-keyboard.dtsi. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
