Re: [PATCH 1/4] riscv: add UltraRISC SoC family Kconfig support

[Conor Dooley <conor@kernel.org>]

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On Mon, Mar 16, 2026 at 03:06:57PM +0800, Jia Wang wrote:
> The first SoC in the UltraRISC series is UR-DP1000, containing octa
> UltraRISC C100 cores.
> 
> Signed-off-by: Jia Wang <wangjia@ultrarisc.com>
> ---
>  arch/riscv/Kconfig.socs | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
> index d621b85dd63b..f49d3ccaacde 100644
> --- a/arch/riscv/Kconfig.socs
> +++ b/arch/riscv/Kconfig.socs
> @@ -84,6 +84,16 @@ config ARCH_THEAD
>  	help
>  	  This enables support for the RISC-V based T-HEAD SoCs.
>  
> +config ARCH_ULTRARISC
> +	bool "UltraRISC RISC-V SoCs"
> +	depends on MMU && !XIP_KERNEL

Why do you depend on "MMU && !XIP_KERNEL"?

> +	help
> +	 This enables support for UltraRISC SoC platform hardware,
> +	 including boards based on the UR-DP1000.
> +	 UR-DP1000 is an 8-core 64-bit RISC-V SoC that supports
> +	 the RV64GCBHX ISA. It supports Hardware Virtualization
> +	 and RISC-V RV64 ISA H(v1.0) Extension.
> +
>  config ARCH_VIRT
>  	bool "QEMU Virt Machine"
>  	select POWER_RESET
> 
> -- 
> 2.34.1
> 

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