[PATCH RFC 0/7] Add support for Renesas RZ/Five SoC

[Lad, Prabhakar]

On Fri, Oct 28, 2022 at 1:40 AM Prabhakar <prabhakar.csengg at gmail.com> wrote:
>
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
>
> Hi All,
>
> This patch series adds initial support to RZ/Five SoC (which is equipped
> with AX45MP AndesCore). Platform supports DT based probing.
>
> Linux support is currently being upstreamed the latest patchset can be
> found at [0].(DT bindings can be seen here)
>
> [0] https://patchwork.kernel.org/project/linux-renesas-soc/cover/20220920184904.90495-1-prabhakar.mahadev-lad.rj@bp.renesas.com/
>
> - PLIC binding - https://elixir.bootlin.com/linux/latest/source/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml#L57
> - PLMT and PLICSW are not used by any driver in kernel hence DT bindings for it
>   and is used in a similar manner as compared Andes AE350 [1]
>   [1] https://github.com/andestech/linux/commits/v6.0.y_ae350-ax45mp/Documentation/devicetree/bindings
> - SCIF binding - https://elixir.bootlin.com/linux/latest/source/Documentation/devicetree/bindings/serial/renesas,scif.yaml#L79
>
Gentle ping for review.

Cheers,
Prabhakar

> Below are the logs for U-Boot (2022.10) and OpenSBI:
> --------------------------------------------------
> U-Boot SPL 2022.10-00192-g0cf0a0919b-dirty (Oct 28 2022 - 01:09:54 +0100)
> Trying to boot from NOR
>
> OpenSBI v1.1-87-gc46891e
>    ____                    _____ ____ _____
>   / __ \                  / ____|  _ \_   _|
>  | |  | |_ __   ___ _ __ | (___ | |_) || |
>  | |  | | '_ \ / _ \ '_ \ \___ \|  _ < | |
>  | |__| | |_) |  __/ | | |____) | |_) || |_
>   \____/| .__/ \___|_| |_|_____/|____/_____|
>         | |
>         |_|
>
> Platform Name             : smarc-rzfZ/Five
> Platform Features         : medeleg
> Platform HART Count       : 1
> Platform IPI Device       : andes_plicsw
> Platform Timer Device     : andes_plmt @ 12000000Hz
> Platform Console Device   : renesas_scif
> Platform HSM Device       : ---
> Platform PMU Device       : ---
> Platform Reboot Device    : ---
> Platform Shutdown Device  : ---
> Firmware Base             : 0x44000000
> Firmware Size             : 152 KB
> Runtime SBI Version       : 1.0
>
> Domain0 Name              : root
> Domain0 Boot HART         : 0
> Domain0 HARTs             : 0*
> Domain0 Region00          : 0x00000000110c0000-0x00000000110fffff (I,R)
> Domain0 Region01          : 0x0000000011180000-0x00000000111bffff (I,R)
> Domain0 Region02          : 0x0000000044000000-0x000000004403ffff ()
> Domain0 Region03          : 0x0000000011100000-0x000000001117ffff (I,R)
> Domain0 Region04          : 0x0000000013000000-0x00000000133fffff (I)
> Domain0 Region05          : 0x0000000000000000-0xffffffffffffffff (R,W,X)
> Domain0 Next Address      : 0x0000000050000000
> Domain0 Next Arg1         : 0x00000000500be568
> Domain0 Next Mode         : S-mode
> Domain0 SysReset          : yes
>
> Boot HART ID              : 0
> Boot HART Domain          : root
> Boot HART Priv Version    : v1.11
> Boot HART Base ISA        : rv64imafdcnx
> Boot HART ISA Extensions  : none
> Boot HART PMP Count       : 16
> Boot HART PMP Granularity : 8
> Boot HART PMP Address Bits: 36
> Boot HART MHPM Count      : 4
> Boot HART MIDELEG         : 0x0000000000000222
> Boot HART MEDELEG         : 0x000000000000b109
>
>
> U-Boot 2022.10-00192-g0cf0a0919b-dirty (Oct 28 2022 - 01:09:54 +0100)
>
> CPU:   rv64imafdc
> Model: smarc-rzf
> DRAM:  896 MiB
> SW_ET0_EN: OFFCore:  30 devices, 18 uclasses, devicetree: separate
> MMC:   sd at 11c00000: 0, sd at 11c10000: 1
> Loading Environment from MMC... OK
> In:    serial at 1004b800
> Out:   serial at 1004b800
> Err:   serial at 1004b800
> Net:   eth0: ethernet at 11c30000
> Hit any key to stop autoboot:  0
> =>
> --------------------------------------------------
>
> Cheers,
> Prabhakar
>
> Lad Prabhakar (7):
>   lib: utils: serial: Add Renesas SCIF driver
>   lib: utils: serial: Add FDT driver for Renesas SCIF
>   platform: andes/ae350: Split header platform.h header file
>   lib: utils/irqchip: Add compatible string for Andestech NCEPLIC100
>   platform: Add Renesas RZ/Five initial support
>   scripts: Add Renesas RZ/Five to platform list in the binary archive
>     script
>   docs: platform: Add documentation for Renesas RZ/Five SoC
>
>  docs/platform/platform.md                  |   4 +
>  docs/platform/renesas-rzfive.md            | 139 ++++++++++++++++++
>  include/sbi_utils/fdt/fdt_helper.h         |   3 +
>  include/sbi_utils/serial/renesas-scif.h    |  11 ++
>  lib/utils/fdt/fdt_helper.c                 |  23 +++
>  lib/utils/irqchip/fdt_irqchip_plic.c       |   3 +-
>  lib/utils/serial/Kconfig                   |   9 ++
>  lib/utils/serial/fdt_serial_renesas_scif.c |  31 ++++
>  lib/utils/serial/objects.mk                |   4 +
>  lib/utils/serial/renesas_scif.c            | 140 ++++++++++++++++++
>  platform/andes/ae350/common-platform.h     |  94 ++++++++++++
>  platform/andes/ae350/platform.h            |  82 +----------
>  platform/renesas/rzfive/Kconfig            |  32 ++++
>  platform/renesas/rzfive/configs/defconfig  |   0
>  platform/renesas/rzfive/objects.mk         |  18 +++
>  platform/renesas/rzfive/platform.c         | 161 +++++++++++++++++++++
>  platform/renesas/rzfive/platform.h         |  24 +++
>  scripts/create-binary-archive.sh           |   1 +
>  18 files changed, 698 insertions(+), 81 deletions(-)
>  create mode 100644 docs/platform/renesas-rzfive.md
>  create mode 100644 include/sbi_utils/serial/renesas-scif.h
>  create mode 100644 lib/utils/serial/fdt_serial_renesas_scif.c
>  create mode 100644 lib/utils/serial/renesas_scif.c
>  create mode 100644 platform/andes/ae350/common-platform.h
>  create mode 100644 platform/renesas/rzfive/Kconfig
>  create mode 100644 platform/renesas/rzfive/configs/defconfig
>  create mode 100644 platform/renesas/rzfive/objects.mk
>  create mode 100644 platform/renesas/rzfive/platform.c
>  create mode 100644 platform/renesas/rzfive/platform.h
>
> --
> 2.17.1
>