Re: [PATCH v2 1/1] hw/riscv/virt.c: add cbo[mz]-block-size fdt properties

[Bin Meng <bmeng.cn@gmail.com>]

On Thu, Mar 2, 2023 at 5:16 PM Daniel Henrique Barboza
<dbarboza@ventanamicro.com> wrote:
>
> From: Anup Patel <apatel@ventanamicro.com>
>
> The cbom-block-size fdt property property is used to inform the OS about
> the blocksize in bytes for the Zicbom cache operations. Linux documents
> it in Documentation/devicetree/bindings/riscv/cpus.yaml
> as:
>
>   riscv,cbom-block-size:
>     $ref: /schemas/types.yaml#/definitions/uint32
>     description:
>       The blocksize in bytes for the Zicbom cache operations.
>
> cboz-block-size has the same role but for the Zicboz extension, i.e.
> informs the size in bytes for Zicboz cache operations. Linux support
> for it is under review/approval in [1]. Patch 3 of that series describes
> cboz-block-size as:
>
>   riscv,cboz-block-size:
>     $ref: /schemas/types.yaml#/definitions/uint32
>     description:
>       The blocksize in bytes for the Zicboz cache operations.
>
> [1] https://lore.kernel.org/all/20230224162631.405473-1-ajones@ventanamicro.com/
>
> Cc: Andrew Jones <ajones@ventanamicro.com>
> Signed-off-by: Anup Patel <apatel@ventanamicro.com>
> Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
> ---
>  hw/riscv/virt.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
>

Reviewed-by: Bin Meng <bmeng@tinylab.org>