From: Andrew Jones <ajones@ventanamicro.com>
To: linux-riscv@lists.infradead.org, kvm-riscv@lists.infradead.org,
devicetree@vger.kernel.org
Cc: 'Heiko Stuebner ' <heiko@sntech.de>,
'Krzysztof Kozlowski ' <krzysztof.kozlowski+dt@linaro.org>,
'Anup Patel ' <apatel@ventanamicro.com>,
'Palmer Dabbelt ' <palmer@dabbelt.com>,
'Atish Patra ' <atishp@rivosinc.com>,
'Paul Walmsley ' <paul.walmsley@sifive.com>,
'Albert Ou ' <aou@eecs.berkeley.edu>,
'Conor Dooley ' <conor.dooley@microchip.com>,
'Rob Herring ' <robh@kernel.org>,
'Jisheng Zhang ' <jszhang@kernel.org>
Subject: [PATCH v3 2/6] dt-bindings: riscv: Document cboz-block-size
Date: Mon, 30 Jan 2023 13:01:24 +0100 [thread overview]
Message-ID: <20230130120128.1349464-3-ajones@ventanamicro.com> (raw)
In-Reply-To: <20230130120128.1349464-1-ajones@ventanamicro.com>
The Zicboz operation (cbo.zero) operates on a block-size defined
for the cpu-core. While we already have the riscv,cbom-block-size
property, it only provides the block size for Zicbom operations.
Even though it's likely Zicboz and Zicbom will use the same size,
that's not specified. Create another property specifically for
Zicboz.
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
---
Documentation/devicetree/bindings/riscv/cpus.yaml | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
index c6720764e765..f4ee70f8e1cf 100644
--- a/Documentation/devicetree/bindings/riscv/cpus.yaml
+++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
@@ -72,6 +72,11 @@ properties:
description:
The blocksize in bytes for the Zicbom cache operations.
+ riscv,cboz-block-size:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ The blocksize in bytes for the Zicboz cache operations.
+
riscv,isa:
description:
Identifies the specific RISC-V instruction set architecture
--
2.39.1
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next prev parent reply other threads:[~2023-01-30 12:01 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-30 12:01 [PATCH v3 0/6] RISC-V: Apply Zicboz to clear_page Andrew Jones
2023-01-30 12:01 ` [PATCH v3 1/6] RISC-V: Factor out body of riscv_init_cbom_blocksize loop Andrew Jones
2023-01-30 12:01 ` Andrew Jones [this message]
2023-01-30 12:25 ` [PATCH v3 2/6] dt-bindings: riscv: Document cboz-block-size Conor Dooley
2023-01-30 22:57 ` Rob Herring
2023-01-30 12:01 ` [PATCH v3 3/6] RISC-V: Add Zicboz detection and block size parsing Andrew Jones
2023-01-30 12:01 ` [PATCH v3 4/6] RISC-V: Use Zicboz in clear_page when available Andrew Jones
2023-02-02 4:35 ` Palmer Dabbelt
2023-02-02 7:41 ` Andrew Jones
2023-01-30 12:01 ` [PATCH v3 5/6] RISC-V: KVM: Provide UAPI for Zicboz block size Andrew Jones
2023-01-30 12:01 ` [PATCH v3 6/6] RISC-V: KVM: Expose Zicboz to the guest Andrew Jones
2023-01-30 18:30 ` [PATCH v3 0/6] RISC-V: Apply Zicboz to clear_page Jeff Law
2023-01-30 18:47 ` Andrew Jones
2023-01-30 18:55 ` Jeff Law
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