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Thu, 18 Sep 2025 13:45:20 -0700 (PDT) From: Han Gao To: devicetree@vger.kernel.org, Drew Fustini , Guo Ren , Fu Wei , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Chen Wang , Inochi Amaoto , Han Gao Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/3] riscv: dts: thead: add ziccrse for th1520 Date: Fri, 19 Sep 2025 04:44:48 +0800 Message-ID: <71ac2ff73a63bd8674c4bc91fd287390d5339609.1758228055.git.rabenda.cn@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Existing rv64 hardware conforms to the rva20 profile. Ziccrse is an additional extension required by the rva20 profile, so th1520 has this extension. Signed-off-by: Han Gao --- arch/riscv/boot/dts/thead/th1520.dtsi | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/th= ead/th1520.dtsi index 59d1927764a6..7f07688aa964 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -24,8 +24,10 @@ c910_0: cpu@0 { device_type =3D "cpu"; riscv,isa =3D "rv64imafdc"; riscv,isa-base =3D "rv64i"; - riscv,isa-extensions =3D "i", "m", "a", "f", "d", "c", "zicntr", "zicsr= ", - "zifencei", "zihpm", "xtheadvector"; + riscv,isa-extensions =3D "i", "m", "a", "f", "d", "c", + "ziccrse", "zicntr", "zicsr", + "zifencei", "zihpm", + "xtheadvector"; thead,vlenb =3D <16>; reg =3D <0>; i-cache-block-size =3D <64>; @@ -49,8 +51,10 @@ c910_1: cpu@1 { device_type =3D "cpu"; riscv,isa =3D "rv64imafdc"; riscv,isa-base =3D "rv64i"; - riscv,isa-extensions =3D "i", "m", "a", "f", "d", "c", "zicntr", "zicsr= ", - "zifencei", "zihpm", "xtheadvector"; + riscv,isa-extensions =3D "i", "m", "a", "f", "d", "c", + "ziccrse", "zicntr", "zicsr", + "zifencei", "zihpm", + "xtheadvector"; thead,vlenb =3D <16>; reg =3D <1>; i-cache-block-size =3D <64>; @@ -74,8 +78,10 @@ c910_2: cpu@2 { device_type =3D "cpu"; riscv,isa =3D "rv64imafdc"; riscv,isa-base =3D "rv64i"; - riscv,isa-extensions =3D "i", "m", "a", "f", "d", "c", "zicntr", "zicsr= ", - "zifencei", "zihpm", "xtheadvector"; + riscv,isa-extensions =3D "i", "m", "a", "f", "d", "c", + "ziccrse", "zicntr", "zicsr", + "zifencei", "zihpm", + "xtheadvector"; thead,vlenb =3D <16>; reg =3D <2>; i-cache-block-size =3D <64>; @@ -99,8 +105,10 @@ c910_3: cpu@3 { device_type =3D "cpu"; riscv,isa =3D "rv64imafdc"; riscv,isa-base =3D "rv64i"; - riscv,isa-extensions =3D "i", "m", "a", "f", "d", "c", "zicntr", "zicsr= ", - "zifencei", "zihpm", "xtheadvector"; + riscv,isa-extensions =3D "i", "m", "a", "f", "d", "c", + "ziccrse", "zicntr", "zicsr", + "zifencei", "zihpm", + "xtheadvector"; thead,vlenb =3D <16>; reg =3D <3>; i-cache-block-size =3D <64>; --=20 2.47.3