[PATCH v5 0/7] arm64: add R8A78000 support
Kuninori Morimoto
kuninori.morimoto.gx at renesas.com
Wed Sep 17 23:23:07 PDT 2025
Hi Geert
This is v5 of R8A78000 support for Renesas.
This patch-set adds R8A78000 and Ironhide board support.
It is based on SDK v4.28.0 or later. It will be released at end of Oct.
Link: https://lore.kernel.org/r/87ecs5abp9.wl-kuninori.morimoto.gx@renesas.com
Link: https://lore.kernel.org/r/87tt13i0lh.wl-kuninori.morimoto.gx@renesas.com
Link: https://lore.kernel.org/r/87o6rjvzf4.wl-kuninori.morimoto.gx@renesas.com
Link: https://lore.kernel.org/r/87tt1c9z7h.wl-kuninori.morimoto.gx@renesas.com
v4 -> v5
- Add new dt-binding patch to remove "resets" and "power-domain" [1/7][2/7]
- I'm not sure this is acceptable, especially [2/7]. These are optional patch.
- A725AE -> A720AE in git-log [3/7][4/7][5/7]
- move "interrupt-parent = <&gic>" one level up [6/7]
- move back timer out of soc [6/7]
- move L2_CA720_x to out of cpu at xx node [6/7]
- rename L2/L3 cache-controller-xxx node name [6/7]
- add "cache-unified" on L2 cache [6/7]
- add "renesas,rcar-gen5-scif" for {h}scif nodes [6/7]
- remove bootargs = "maxcpus=1" [7/7]
v3 -> v4
- Don't include already applied patches
- separate Cortex-A725AE patch into tools/ID/errata [1/5][2/5][3/5]
- fixup gic reg [4/5]
- move timer node into soc [4/5]
v2 -> v3
- Add Reviewed-by from Geert [1/6]
- Add cortex-a720ae patches [3/6][4/6]
- Drop enable-method = "pcsi" [5/6]
- Tidyup node name controller -> cache-controller [5/6]
- Remove cache-unified from L2 [5/6]
- add dummy-clk-sgasyncd16 for scif [5/6]
- re-add clock-frequency on scif_clk [5/6]
- Tidyup GIC comments [5/6]
- Tidyup GIC regs [5/6]
- use "renesas,scif-r8a78000" instead of "renesas,rcar-gen5-scif" [5/6]
- Tidyup Subject [6/6]
- Tidyup Makefile position [6/6]
- Add explanation why it needs "maxcpus=1" [6/6]
- 518MB -> 518MiB on memory [6/6]
- 16666666 -> 16666600 on extal_clk [6/6]
- Drop comment from hscif0 [6/6]
v1 -> v2
- Add Krzysztof's Acked-by on [1/4]
- Tidyup "cache" properties on [3/4]
- Add "clock-" prefix on fixed-clock [3/4]
- remove un-needed clock-frequency [3/4]
- use "-" instead of "_" on dummy-clk-sgasyncd4 [3/4]
- use "0" instead of "0x0" for gic [3/4]
- cleanup "bootargs" [4/4]
Hai Pham (2):
arm64: dts: renesas: Add R8A78000 X5H DTs
arm64: dts: renesas: R8A78000: Add initial Ironhide support
Kuninori Morimoto (5):
dt-bindings: serial: sh-sci: don't required "reset" for r8a78000
dt-bindings: serial: sh-sci: don't required "power-domain"
tools: arm64: Add Cortex-A720AE definitions
arm64: cputype: Add Cortex-A720AE definitions
arm64: errata: Expand speculative SSBS workaround for Cortex-A720AE
.../bindings/serial/renesas,hscif.yaml | 2 -
.../bindings/serial/renesas,scif.yaml | 2 -
arch/arm64/boot/dts/renesas/Makefile | 2 +
.../boot/dts/renesas/r8a78000-ironhide.dts | 85 ++
arch/arm64/boot/dts/renesas/r8a78000.dtsi | 787 ++++++++++++++++++
arch/arm64/include/asm/cputype.h | 2 +
arch/arm64/kernel/cpu_errata.c | 1 +
arch/arm64/kernel/proton-pack.c | 1 +
tools/arch/arm64/include/asm/cputype.h | 2 +
tools/perf/util/arm-spe.c | 1 +
10 files changed, 881 insertions(+), 4 deletions(-)
create mode 100644 arch/arm64/boot/dts/renesas/r8a78000-ironhide.dts
create mode 100644 arch/arm64/boot/dts/renesas/r8a78000.dtsi
--
2.43.0
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