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Date: Sun, 30 Oct 2022 18:24:24 +0000
From: Conor Dooley <conor@...nel.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Magnus Damm <magnus.damm@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Heiko Stuebner <heiko@...ech.de>,
Conor Dooley <conor.dooley@...rochip.com>,
Guo Ren <guoren@...nel.org>, Anup Patel <anup@...infault.org>,
Atish Patra <atishp@...osinc.com>,
Heinrich Schuchardt <heinrich.schuchardt@...onical.com>,
devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
Biju Das <biju.das.jz@...renesas.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v5 0/7] Add support for Renesas RZ/Five SoC
On Fri, Oct 28, 2022 at 05:59:14PM +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Hi All,
>
> The RZ/Five microprocessor includes a RISC-V CPU Core (AX45MP Single)
> 1.0 GHz, 16-bit DDR3L/DDR4 interface. And it also has many interfaces such
> as Gbit-Ether, CAN, and USB 2.0, making it ideal for applications such as
> entry-class social infrastructure gateway control and industrial gateway
> control.
>
> This patch series adds initial SoC DTSi support for Renesas RZ/Five
> (R9A07G043) SoC. Below is the list of IP blocks enabled in the initial
> board DTS which can be used to boot via initramfs on RZ/Five SMARC EVK:
> - AX45MP CPU
> - CPG
> - PINCTRL
Hey,
Looks like you've got a pair of warnings here from dtbs_check. I tested
this on top of 20221028's next, with the three branches below merged in,
hopefully my merges aren't the source of them:
linux/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dtb: pinctrl@...30000: 'interrupt-controller' is a required property
From schema: Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
linux/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dtb: pinctrl@...30000: '#interrupt-cells' is a required property
From schema: linux/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
With this sorted, whatever wasn't already is now:
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
Thanks for putting up with my messing around re: kconfig symbols and I
am glad that we ended up being able to share the dts across archs in the
end, so thanks to everyone involved in that :)
> - PLIC
> - SCIF0
> - SYSC
>
> Useful links:
> -------------
> [0] https://www.renesas.com/us/en/products/microcontrollers-microprocessors/rz-mpus/rzfive-risc-v-general-purpose-microprocessors-risc-v-cpu-core-andes-ax45mp-single-10-ghz-2ch-gigabit-ethernet
> [1] http://www.andestech.com/en/products-solutions/andescore-processors/riscv-ax45mp/
>
> Patch series depends on the below patches (which are queued in the Renesas tree for v6.2):
> ------------------------------------------------------------------------------------
> [0] https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git/commit/?h=renesas-dt-bindings-for-v6.2&id=c27ce08b806d606cd5cd0e8252d1ed2b729b5b55
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git/commit/?h=renesas-dt-bindings-for-v6.2&id=7dd1d57c052e88f98b9e9145461b13bca019d108
> [2] https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git/commit/?h=renesas-arm-soc-for-v6.2&id=b3acbca3c80e612478b354e43c1480c3fc15873e
> [3] https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git/commit/?h=renesas-arm-dt-for-v6.2&id=49669da644cf000eb79dbede55bd04acf3f2f0a0
> [4] https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git/commit/?h=renesas-arm-dt-for-v6.2&id=b9a0be2054964026aa58966ce9724b672f210835
>
> v4 -> v5:
> ---------
> * Rebased patches on -next
> * Included RB tags
> * Dropped patches #1 and #4 (form v4) as they are queued up by Renesas trees
> * Patch #7 from v4 was not needed anymore so dropped it
> * Patches #4 and #5 are new
>
> v4: https://lore.kernel.org/all/20220920184904.90495-1-prabhakar.mahadev-lad.rj@bp.renesas.com/
> v3: https://lore.kernel.org/lkml/20220915181558.354737-1-prabhakar.mahadev-lad.rj@bp.renesas.com/
> v2: https://lore.kernel.org/all/20220815151451.23293-1-prabhakar.mahadev-lad.rj@bp.renesas.com/
> v1: https://lore.kernel.org/lkml/20220726180623.1668-1-prabhakar.mahadev-lad.rj@bp.renesas.com/
>
> Below are the logs from RZ/Five SMARC EVK:
> ------------------------------------------
>
> / # uname -ra;
> Linux (none) 6.1.0-rc2-00036-gbad82a074f62 #145 SMP Fri Oct 28 17:18:41 BST 2022 riscv64 GNU/Linux
> / # cat /proc/cpuinfo;
> processor : 0
> hart : 0
> isa : rv64imafdc
> mmu : sv39
> uarch : andestech,ax45mp
> mvendorid : 0x31e
> marchid : 0x8000000000008a45
> mimpid : 0x500
>
> / # for i in machine family soc_id revision; do echo -n "$i: ";cat /sys/devices/
> soc0/$i; done
> machine: Renesas SMARC EVK based on r9a07g043f01
> family: RZ/Five
> soc_id: r9a07g043
> revision: 0
> / #
> / # cat /proc/interrupts
> CPU0
> 1: 0 SiFive PLIC 412 Level 1004b800.serial:rx err
> 2: 16 SiFive PLIC 414 Level 1004b800.serial:rx full
> 3: 402 SiFive PLIC 415 Level 1004b800.serial:tx empty
> 4: 0 SiFive PLIC 413 Level 1004b800.serial:break
> 5: 41826 RISC-V INTC 5 Edge riscv-timer
> 6: 10 SiFive PLIC 416 Level 1004b800.serial:rx ready
> IPI0: 0 Rescheduling interrupts
> IPI1: 0 Function call interrupts
> IPI2: 0 CPU stop interrupts
> IPI3: 0 IRQ work interrupts
> IPI4: 0 Timer broadcast interrupts
> / #
> / # cat /proc/meminfo
> MemTotal: 882252 kB
> MemFree: 860848 kB
> MemAvailable: 858608 kB
> Buffers: 0 kB
> Cached: 1796 kB
> SwapCached: 0 kB
> Active: 0 kB
> Inactive: 72 kB
> Active(anon): 0 kB
> Inactive(anon): 72 kB
> Active(file): 0 kB
> Inactive(file): 0 kB
> Unevictable: 1796 kB
> Mlocked: 0 kB
> SwapTotal: 0 kB
> SwapFree: 0 kB
> Dirty: 0 kB
> Writeback: 0 kB
> AnonPages: 108 kB
> Mapped: 1200 kB
> Shmem: 0 kB
> KReclaimable: 6760 kB
> Slab: 12360 kB
> SReclaimable: 6760 kB
> SUnreclaim: 5600 kB
> KernelStack: 620 kB
> PageTables: 32 kB
> SecPageTables: 0 kB
> NFS_Unstable: 0 kB
> Bounce: 0 kB
> WritebackTmp: 0 kB
> CommitLimit: 441124 kB
> Committed_AS: 592 kB
> VmallocTotal: 67108864 kB
> VmallocUsed: 1132 kB
> VmallocChunk: 0 kB
> Percpu: 84 kB
> HugePages_Total: 0
> HugePages_Free: 0
> HugePages_Rsvd: 0
> HugePages_Surp: 0
> Hugepagesize: 2048 kB
> Hugetlb: 0 kB
> / #
> / #
>
> Cheers,
> Prabhakar
>
> Lad Prabhakar (7):
> dt-bindings: riscv: Sort the CPU core list alphabetically
> dt-bindings: riscv: Add Andes AX45MP core to the list
> riscv: Kconfig.socs: Add ARCH_RENESAS kconfig option
> riscv: dts: renesas: Add initial devicetree for Renesas RZ/Five SoC
> riscv: dts: renesas: Add minimal DTS for Renesas RZ/Five SMARC EVK
> MAINTAINERS: Add entry for Renesas RISC-V
> riscv: configs: defconfig: Enable Renesas RZ/Five SoC
>
> .../devicetree/bindings/riscv/cpus.yaml | 11 ++-
> MAINTAINERS | 3 +-
> arch/riscv/Kconfig.socs | 5 +
> arch/riscv/boot/dts/Makefile | 1 +
> arch/riscv/boot/dts/renesas/Makefile | 2 +
> arch/riscv/boot/dts/renesas/r9a07g043f.dtsi | 57 ++++++++++++
> .../boot/dts/renesas/r9a07g043f01-smarc.dts | 27 ++++++
> .../boot/dts/renesas/rzfive-smarc-som.dtsi | 58 ++++++++++++
> arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi | 91 +++++++++++++++++++
> arch/riscv/configs/defconfig | 3 +
> 10 files changed, 252 insertions(+), 6 deletions(-)
> create mode 100644 arch/riscv/boot/dts/renesas/Makefile
> create mode 100644 arch/riscv/boot/dts/renesas/r9a07g043f.dtsi
> create mode 100644 arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts
> create mode 100644 arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
> create mode 100644 arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi
>
> --
> 2.25.1
>
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