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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 19/08/2022 12:39, Lad, Prabhakar wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > Hi Geert, > > > On Fri, Aug 19, 2022 at 9:25 AM Geert Uytterhoeven wrote: >> >> Hi Prabhakar, >> >> On Mon, Aug 15, 2022 at 10:16 PM Lad, Prabhakar >> wrote: >>> On Mon, Aug 15, 2022 at 8:00 PM 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 >>>>> --- >>>>> 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@microchip.com/ >>>> >>> 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 . >> Cfr. the symlinks under scripts/dtc/include-prefixes/arm64/ and >> e.g. cros-ec-keyboard.dtsi. >> Is this something that you intend doing or is that future work? I had a quick, and I mean quick, look through the arm smarc dtsi and none of them appeared to be a 1:1 match with what I see here. I assume that's got something to do with the "minimal" in the patch's subject line, and some re-org of the arm files would be required? In any case, you've not introduced any more dtbs_check detectable issues so you're good in my book whichever way you do it. Reviewed-by: Conor Dooley _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv