Re: [PATCH] riscv: add Andes SoC family Kconfig support

From: Conor Dooley
Date: Thu Mar 06 2025 - 11:44:14 EST


On Wed, Mar 05, 2025 at 11:05:26AM +0800, Ben Zong-You Xie wrote:
> The first SoC in the Andes series is QiLai. It includes a high-performance
> quad-core RISC-V AX45MP cluster and one NX27V vector processor.

I'd expect a config option like this to come with the user, which in
this case is the dts etc for a board using the QiLai SoC or drivers for
the SoC. Without dts or drivers, there's no reason to ever enable this,
so where are those patches?

Cheers,
Conor.

>
> For further information, refer to [1].
>
> [1] https://www.andestech.com/en/products-solutions/andeshape-platforms/qilai-chip/
>
> Signed-off-by: Ben Zong-You Xie <ben717@xxxxxxxxxxxxx>
> ---
> arch/riscv/Kconfig.errata | 2 +-
> arch/riscv/Kconfig.socs | 9 +++++++++
> 2 files changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/arch/riscv/Kconfig.errata b/arch/riscv/Kconfig.errata
> index e318119d570d..be76883704a6 100644
> --- a/arch/riscv/Kconfig.errata
> +++ b/arch/riscv/Kconfig.errata
> @@ -12,7 +12,7 @@ config ERRATA_ANDES
>
> config ERRATA_ANDES_CMO
> bool "Apply Andes cache management errata"
> - depends on ERRATA_ANDES && ARCH_R9A07G043
> + depends on ERRATA_ANDES && (ARCH_R9A07G043 || ARCH_ANDES)
> select RISCV_DMA_NONCOHERENT
> default y
> help
> diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
> index 1916cf7ba450..b89b6e0d1bc9 100644
> --- a/arch/riscv/Kconfig.socs
> +++ b/arch/riscv/Kconfig.socs
> @@ -1,5 +1,14 @@
> menu "SoC selection"
>
> +config ARCH_ANDES
> + bool "Andes SoCs"
> + depends on MMU && !XIP_KERNEL
> + select ERRATA_ANDES
> + select ERRATA_ANDES_CMO
> + select AX45MP_L2_CACHE
> + help
> + This enables support for Andes SoC platform hardware.
> +
> config ARCH_MICROCHIP_POLARFIRE
> def_bool ARCH_MICROCHIP
>
> --
> 2.34.1
>
>
> _______________________________________________
> linux-riscv mailing list
> linux-riscv@xxxxxxxxxxxxxxxxxxx
> http://lists.infradead.org/mailman/listinfo/linux-riscv

Attachment: signature.asc
Description: PGP signature